./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-lit/css2003_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/css2003_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 88d33ff91b99a769018021c2f8754b39298cafbb .................................................................................................................................................................................................................................................................................................................................................. 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 03:50:26,872 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:50:26,873 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:50:26,885 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:50:26,885 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:50:26,886 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:50:26,888 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:50:26,890 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:50:26,892 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:50:26,893 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:50:26,893 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:50:26,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:50:26,895 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:50:26,896 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:50:26,897 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:50:26,898 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:50:26,899 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:50:26,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:50:26,903 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:50:26,905 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:50:26,906 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:50:26,908 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:50:26,910 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:50:26,910 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:50:26,911 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:50:26,912 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:50:26,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:50:26,914 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:50:26,915 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:50:26,916 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:50:26,916 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:50:26,917 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:50:26,917 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:50:26,917 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:50:26,919 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:50:26,920 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:50:26,920 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:50:26,937 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:50:26,937 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:50:26,938 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:50:26,938 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:50:26,939 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:50:26,939 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:50:26,940 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:50:26,940 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:50:26,940 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:50:26,940 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:50:26,940 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:50:26,940 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:50:26,941 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:50:26,942 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:50:26,942 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:50:26,942 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:50:26,942 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:50:26,942 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:50:26,942 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:50:26,943 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:50:26,943 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:50:26,944 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:50:26,944 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:50:26,944 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:50:26,944 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:50:26,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:50:26,945 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:50:26,946 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:50:26,946 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:50:26,946 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:50:26,946 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:50:26,947 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:50:26,947 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 -> 88d33ff91b99a769018021c2f8754b39298cafbb [2019-01-14 03:50:26,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:50:26,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:50:26,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:50:27,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:50:27,000 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:50:27,001 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-lit/css2003_true-unreach-call_true-termination.c.i [2019-01-14 03:50:27,058 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d42ecb94d/0e830c8207214976b4e83c8f3723ba07/FLAGfb753e4f2 [2019-01-14 03:50:27,486 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:50:27,486 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-lit/css2003_true-unreach-call_true-termination.c.i [2019-01-14 03:50:27,494 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d42ecb94d/0e830c8207214976b4e83c8f3723ba07/FLAGfb753e4f2 [2019-01-14 03:50:27,852 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d42ecb94d/0e830c8207214976b4e83c8f3723ba07 [2019-01-14 03:50:27,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:50:27,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:50:27,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:50:27,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:50:27,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:50:27,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:50:27" (1/1) ... [2019-01-14 03:50:27,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b6b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:27, skipping insertion in model container [2019-01-14 03:50:27,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:50:27" (1/1) ... [2019-01-14 03:50:27,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:50:27,896 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:50:28,080 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:50:28,084 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:50:28,102 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:50:28,117 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:50:28,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28 WrapperNode [2019-01-14 03:50:28,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:50:28,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:50:28,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:50:28,118 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:50:28,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (1/1) ... [2019-01-14 03:50:28,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (1/1) ... [2019-01-14 03:50:28,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:50:28,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:50:28,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:50:28,154 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:50:28,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (1/1) ... [2019-01-14 03:50:28,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (1/1) ... [2019-01-14 03:50:28,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (1/1) ... [2019-01-14 03:50:28,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (1/1) ... [2019-01-14 03:50:28,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (1/1) ... [2019-01-14 03:50:28,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (1/1) ... [2019-01-14 03:50:28,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (1/1) ... [2019-01-14 03:50:28,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:50:28,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:50:28,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:50:28,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:50:28,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (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 03:50:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:50:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:50:28,469 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:50:28,469 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 03:50:28,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:50:28 BoogieIcfgContainer [2019-01-14 03:50:28,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:50:28,471 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:50:28,472 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:50:28,475 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:50:28,476 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:50:28,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:50:27" (1/3) ... [2019-01-14 03:50:28,477 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@292d21aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:50:28, skipping insertion in model container [2019-01-14 03:50:28,477 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:50:28,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:28" (2/3) ... [2019-01-14 03:50:28,478 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@292d21aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:50:28, skipping insertion in model container [2019-01-14 03:50:28,478 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:50:28,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:50:28" (3/3) ... [2019-01-14 03:50:28,480 INFO L375 chiAutomizerObserver]: Analyzing ICFG css2003_true-unreach-call_true-termination.c.i [2019-01-14 03:50:28,585 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:50:28,588 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:50:28,588 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:50:28,589 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:50:28,589 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:50:28,589 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:50:28,589 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:50:28,589 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:50:28,589 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:50:28,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 03:50:28,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:50:28,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:50:28,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:50:28,640 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 03:50:28,640 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 03:50:28,640 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:50:28,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 03:50:28,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:50:28,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:50:28,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:50:28,643 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 03:50:28,643 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 03:50:28,653 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~i~0, main_~j~0, main_~k~0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;main_~i~0 := 1;main_~j~0 := 1;main_~k~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L15true assume !!(0 <= main_~k~0 && main_~k~0 <= 1); 8#L4-2true [2019-01-14 03:50:28,653 INFO L796 eck$LassoCheckResult]: Loop: 8#L4-2true assume !!(main_~i~0 < 1000000);main_~i~0 := 1 + main_~i~0;main_~j~0 := main_~j~0 + main_~k~0;main_~k~0 := main_~k~0 - 1;__VERIFIER_assert_#in~cond := (if (1 <= main_~i~0 + main_~k~0 && main_~i~0 + main_~k~0 <= 2) && main_~i~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 11#L4true assume !(0 == __VERIFIER_assert_~cond); 8#L4-2true [2019-01-14 03:50:28,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:50:28,663 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-01-14 03:50:28,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:50:28,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:50:28,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:28,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:50:28,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:28,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:50:28,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1448, now seen corresponding path program 1 times [2019-01-14 03:50:28,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:50:28,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:50:28,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:28,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:50:28,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:28,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:50:28,793 INFO L82 PathProgramCache]: Analyzing trace with hash 959565, now seen corresponding path program 1 times [2019-01-14 03:50:28,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:50:28,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:50:28,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:28,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:50:28,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:28,976 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:50:28,977 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:50:28,978 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:50:28,978 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:50:28,978 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:50:28,978 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:50:28,978 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:50:28,979 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:50:28,979 INFO L131 ssoRankerPreferences]: Filename of dumped script: css2003_true-unreach-call_true-termination.c.i_Iteration1_Loop [2019-01-14 03:50:28,979 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:50:28,979 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:50:29,005 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 03:50:29,240 WARN L181 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-01-14 03:50:29,740 WARN L181 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-01-14 03:50:29,823 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:50:29,824 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 03:50:29,830 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:50:29,830 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 03:50:29,858 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:50:29,858 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:50:29,895 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:50:29,897 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:50:29,897 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:50:29,897 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:50:29,897 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:50:29,897 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:50:29,897 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:50:29,897 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:50:29,898 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:50:29,898 INFO L131 ssoRankerPreferences]: Filename of dumped script: css2003_true-unreach-call_true-termination.c.i_Iteration1_Loop [2019-01-14 03:50:29,898 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:50:29,898 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:50:29,900 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 03:50:30,021 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-01-14 03:50:30,209 WARN L181 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-01-14 03:50:30,333 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-14 03:50:30,335 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:50:30,340 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:50:30,341 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 03:50:30,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:50:30,343 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:50:30,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:50:30,344 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:50:30,344 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:50:30,348 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:50:30,348 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:50:30,367 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 03:50:30,385 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 03:50:30,386 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 03:50:30,388 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 03:50:30,388 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 03:50:30,389 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 03:50:30,390 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] [2019-01-14 03:50:30,391 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 03:50:30,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:50:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:50:30,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:50:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:50:30,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:50:30,545 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 03:50:30,563 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 03:50:30,565 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-01-14 03:50:30,668 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 27 states and 34 transitions. Complement of second has 5 states. [2019-01-14 03:50:30,669 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 03:50:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-14 03:50:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2019-01-14 03:50:30,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 2 letters. Loop has 2 letters. [2019-01-14 03:50:30,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:50:30,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 4 letters. Loop has 2 letters. [2019-01-14 03:50:30,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:50:30,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 2 letters. Loop has 4 letters. [2019-01-14 03:50:30,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:50:30,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-01-14 03:50:30,684 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:50:30,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-01-14 03:50:30,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 03:50:30,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 03:50:30,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 03:50:30,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 03:50:30,691 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:50:30,692 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:50:30,692 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:50:30,692 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 03:50:30,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 03:50:30,693 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:50:30,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 03:50:30,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:50:30 BoogieIcfgContainer [2019-01-14 03:50:30,702 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:50:30,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:50:30,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:50:30,703 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:50:30,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:50:28" (3/4) ... [2019-01-14 03:50:30,709 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:50:30,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:50:30,710 INFO L168 Benchmark]: Toolchain (without parser) took 2853.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -84.0 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:50:30,711 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:50:30,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.69 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 03:50:30,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.09 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 03:50:30,714 INFO L168 Benchmark]: Boogie Preprocessor took 26.06 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 03:50:30,715 INFO L168 Benchmark]: RCFGBuilder took 290.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-14 03:50:30,716 INFO L168 Benchmark]: BuchiAutomizer took 2231.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.4 MB). Peak memory consumption was 86.4 MB. Max. memory is 11.5 GB. [2019-01-14 03:50:30,717 INFO L168 Benchmark]: Witness Printer took 6.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:50:30,723 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.69 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 35.09 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 26.06 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 290.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2231.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.4 MB). Peak memory consumption was 86.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.08 ms. Allocated memory is still 1.2 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 * i + 1999999 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 10 SDtfs, 10 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital46 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite139 ukn100 eq153 hnf93 smp64 dnf98 smp100 tf103 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 48ms VariablesStem: 0 VariablesLoop: 8 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...