./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-lit/hhk2008_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/hhk2008_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 ec3b2971b2acb4642d882078251a0cbf2b9f01e8 ............................................................................................................................................................................................................................................................................................................................................... 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 03:50:42,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:50:42,436 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:50:42,453 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:50:42,453 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:50:42,454 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:50:42,456 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:50:42,458 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:50:42,460 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:50:42,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:50:42,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:50:42,462 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:50:42,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:50:42,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:50:42,466 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:50:42,466 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:50:42,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:50:42,470 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:50:42,472 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:50:42,474 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:50:42,475 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:50:42,477 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:50:42,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:50:42,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:50:42,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:50:42,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:50:42,482 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:50:42,483 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:50:42,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:50:42,486 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:50:42,486 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:50:42,487 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:50:42,487 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:50:42,487 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:50:42,489 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:50:42,489 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:50:42,490 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:50:42,509 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:50:42,510 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:50:42,512 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:50:42,514 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:50:42,514 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:50:42,514 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:50:42,514 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:50:42,514 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:50:42,515 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:50:42,516 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:50:42,516 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:50:42,516 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:50:42,517 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:50:42,517 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:50:42,517 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:50:42,517 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:50:42,517 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:50:42,517 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:50:42,518 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:50:42,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:50:42,520 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:50:42,520 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:50:42,521 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:50:42,521 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:50:42,521 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:50:42,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:50:42,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:50:42,521 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:50:42,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:50:42,522 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:50:42,522 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:50:42,525 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:50:42,526 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 -> ec3b2971b2acb4642d882078251a0cbf2b9f01e8 [2019-01-14 03:50:42,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:50:42,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:50:42,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:50:42,615 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:50:42,615 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:50:42,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-lit/hhk2008_true-unreach-call_true-termination.c.i [2019-01-14 03:50:42,680 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2caa4195/1b5a77277ce543d7a48de493e3a4942c/FLAG83ff05fdb [2019-01-14 03:50:43,140 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:50:43,142 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-lit/hhk2008_true-unreach-call_true-termination.c.i [2019-01-14 03:50:43,149 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2caa4195/1b5a77277ce543d7a48de493e3a4942c/FLAG83ff05fdb [2019-01-14 03:50:43,472 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2caa4195/1b5a77277ce543d7a48de493e3a4942c [2019-01-14 03:50:43,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:50:43,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:50:43,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:50:43,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:50:43,485 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:50:43,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218eb0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43, skipping insertion in model container [2019-01-14 03:50:43,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:50:43,523 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:50:43,782 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:50:43,790 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:50:43,815 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:50:43,835 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:50:43,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43 WrapperNode [2019-01-14 03:50:43,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:50:43,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:50:43,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:50:43,837 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:50:43,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:50:43,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:50:43,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:50:43,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:50:43,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (1/1) ... [2019-01-14 03:50:43,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:50:43,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:50:43,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:50:43,914 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:50:43,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (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 03:50:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:50:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:50:44,243 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:50:44,244 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 03:50:44,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:50:44 BoogieIcfgContainer [2019-01-14 03:50:44,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:50:44,246 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:50:44,246 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:50:44,249 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:50:44,250 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:50:44,250 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:50:43" (1/3) ... [2019-01-14 03:50:44,251 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@545b7d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:50:44, skipping insertion in model container [2019-01-14 03:50:44,251 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:50:44,252 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:50:43" (2/3) ... [2019-01-14 03:50:44,252 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@545b7d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:50:44, skipping insertion in model container [2019-01-14 03:50:44,252 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:50:44,252 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:50:44" (3/3) ... [2019-01-14 03:50:44,254 INFO L375 chiAutomizerObserver]: Analyzing ICFG hhk2008_true-unreach-call_true-termination.c.i [2019-01-14 03:50:44,338 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:50:44,339 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:50:44,339 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:50:44,339 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:50:44,339 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:50:44,339 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:50:44,339 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:50:44,340 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:50:44,340 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:50:44,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-14 03:50:44,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:50:44,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:50:44,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:50:44,425 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-01-14 03:50:44,426 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:50:44,426 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:50:44,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-14 03:50:44,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:50:44,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:50:44,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:50:44,430 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-01-14 03:50:44,430 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:50:44,441 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_~a~0, main_~b~0, main_~res~0, main_~cnt~0;main_~a~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~b~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~res~0;havoc main_~cnt~0; 12#L14true assume !!(main_~a~0 <= 1000000); 3#L15true assume !!(0 <= main_~b~0 && main_~b~0 <= 1000000);main_~res~0 := main_~a~0;main_~cnt~0 := main_~b~0; 7#L18-2true [2019-01-14 03:50:44,442 INFO L796 eck$LassoCheckResult]: Loop: 7#L18-2true assume !!(main_~cnt~0 > 0);main_~cnt~0 := main_~cnt~0 - 1;main_~res~0 := 1 + main_~res~0; 7#L18-2true [2019-01-14 03:50:44,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:50:44,449 INFO L82 PathProgramCache]: Analyzing trace with hash 30949, now seen corresponding path program 1 times [2019-01-14 03:50:44,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:50:44,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:50:44,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:44,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:50:44,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:44,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:50:44,565 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2019-01-14 03:50:44,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:50:44,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:50:44,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:44,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:50:44,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:44,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:50:44,579 INFO L82 PathProgramCache]: Analyzing trace with hash 959439, now seen corresponding path program 1 times [2019-01-14 03:50:44,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:50:44,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:50:44,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:44,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:50:44,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:50:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:50:44,689 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:50:44,690 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:50:44,690 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:50:44,690 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:50:44,691 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:50:44,691 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:50:44,691 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:50:44,691 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:50:44,691 INFO L131 ssoRankerPreferences]: Filename of dumped script: hhk2008_true-unreach-call_true-termination.c.i_Iteration1_Loop [2019-01-14 03:50:44,691 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:50:44,692 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:50:44,717 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 03:50:44,755 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 03:50:44,871 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:50:44,871 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 03:50:44,877 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:50:44,877 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 03:50:44,905 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:50:44,905 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:50:44,932 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:50:44,934 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:50:44,934 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:50:44,935 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:50:44,935 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:50:44,935 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:50:44,935 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:50:44,935 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:50:44,935 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:50:44,935 INFO L131 ssoRankerPreferences]: Filename of dumped script: hhk2008_true-unreach-call_true-termination.c.i_Iteration1_Loop [2019-01-14 03:50:44,935 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:50:44,936 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:50:44,938 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 03:50:44,954 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 03:50:45,121 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:50:45,127 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:50:45,129 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 03:50:45,130 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:50:45,130 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:50:45,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:50:45,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:50:45,131 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:50:45,134 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:50:45,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:50:45,142 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 03:50:45,149 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 03:50:45,149 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 03:50:45,151 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 03:50:45,151 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 03:50:45,152 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 03:50:45,153 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~cnt~0) = 1*ULTIMATE.start_main_~cnt~0 Supporting invariants [] [2019-01-14 03:50:45,154 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 03:50:45,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:50:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:50:45,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:50:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:50:45,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:50:45,376 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 03:50:45,390 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-01-14 03:50:45,392 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2019-01-14 03:50:45,446 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 29 states and 35 transitions. Complement of second has 5 states. [2019-01-14 03:50:45,447 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 03:50:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-14 03:50:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-01-14 03:50:45,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 1 letters. [2019-01-14 03:50:45,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:50:45,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 1 letters. [2019-01-14 03:50:45,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:50:45,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 2 letters. [2019-01-14 03:50:45,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:50:45,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 35 transitions. [2019-01-14 03:50:45,461 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:50:45,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-01-14 03:50:45,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 03:50:45,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 03:50:45,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 03:50:45,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 03:50:45,468 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:50:45,468 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:50:45,468 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:50:45,469 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 03:50:45,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 03:50:45,470 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:50:45,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 03:50:45,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:50:45 BoogieIcfgContainer [2019-01-14 03:50:45,478 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:50:45,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:50:45,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:50:45,479 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:50:45,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:50:44" (3/4) ... [2019-01-14 03:50:45,484 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:50:45,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:50:45,485 INFO L168 Benchmark]: Toolchain (without parser) took 2007.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -73.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-01-14 03:50:45,487 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 03:50:45,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:50:45,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.40 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:50:45,490 INFO L168 Benchmark]: Boogie Preprocessor took 28.58 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:50:45,491 INFO L168 Benchmark]: RCFGBuilder took 331.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-14 03:50:45,492 INFO L168 Benchmark]: BuchiAutomizer took 1232.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2019-01-14 03:50:45,493 INFO L168 Benchmark]: Witness Printer took 5.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:50:45,498 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 356.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.40 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.58 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 331.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1232.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cnt and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 13 SDtfs, 13 SDslu, 6 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: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 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...