./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/aaron2-1.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 ../sv-benchmarks/c/termination-crafted/aaron2-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 51b008c7c9d1e1f97a8847fd6efe81beab0012cf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:28:12,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:28:12,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:28:12,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:28:12,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:28:12,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:28:12,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:28:12,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:28:12,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:28:12,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:28:12,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:28:12,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:28:12,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:28:12,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:28:12,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:28:12,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:28:12,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:28:12,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:28:12,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:28:12,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:28:12,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:28:12,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:28:12,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:28:12,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:28:12,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:28:12,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:28:12,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:28:12,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:28:12,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:28:12,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:28:12,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:28:12,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:28:12,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:28:12,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:28:12,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:28:12,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:28:12,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:28:12,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:28:12,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:28:12,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:28:12,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:28:12,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:28:12,468 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:28:12,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:28:12,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:28:12,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:28:12,469 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:28:12,470 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:28:12,470 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:28:12,470 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:28:12,470 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:28:12,471 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:28:12,471 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:28:12,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:28:12,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:28:12,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:28:12,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:28:12,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:28:12,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:28:12,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:28:12,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:28:12,473 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:28:12,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:28:12,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:28:12,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:28:12,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:28:12,474 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:28:12,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:28:12,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:28:12,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:28:12,475 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:28:12,476 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:28:12,476 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b008c7c9d1e1f97a8847fd6efe81beab0012cf [2020-07-29 01:28:12,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:28:12,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:28:12,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:28:12,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:28:12,848 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:28:12,848 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/aaron2-1.c [2020-07-29 01:28:12,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632878f5f/73bcaa6ab42f4332973f30cab2b6cacb/FLAG65a909de1 [2020-07-29 01:28:13,345 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:28:13,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/aaron2-1.c [2020-07-29 01:28:13,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632878f5f/73bcaa6ab42f4332973f30cab2b6cacb/FLAG65a909de1 [2020-07-29 01:28:13,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632878f5f/73bcaa6ab42f4332973f30cab2b6cacb [2020-07-29 01:28:13,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:28:13,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:28:13,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:28:13,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:28:13,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:28:13,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:13,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0cb75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13, skipping insertion in model container [2020-07-29 01:28:13,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:13,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:28:13,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:28:13,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:28:13,914 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:28:13,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:28:13,947 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:28:13,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13 WrapperNode [2020-07-29 01:28:13,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:28:13,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:28:13,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:28:13,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:28:13,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:13,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:13,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:28:13,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:28:13,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:28:13,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:28:14,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:14,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:14,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:14,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:14,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:14,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:14,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (1/1) ... [2020-07-29 01:28:14,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:28:14,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:28:14,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:28:14,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:28:14,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (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 [2020-07-29 01:28:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:28:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:28:14,419 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:28:14,419 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:28:14,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:28:14 BoogieIcfgContainer [2020-07-29 01:28:14,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:28:14,424 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:28:14,424 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:28:14,428 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:28:14,429 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:28:14,430 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:28:13" (1/3) ... [2020-07-29 01:28:14,431 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e808339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:28:14, skipping insertion in model container [2020-07-29 01:28:14,431 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:28:14,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:13" (2/3) ... [2020-07-29 01:28:14,432 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e808339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:28:14, skipping insertion in model container [2020-07-29 01:28:14,432 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:28:14,432 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:28:14" (3/3) ... [2020-07-29 01:28:14,434 INFO L371 chiAutomizerObserver]: Analyzing ICFG aaron2-1.c [2020-07-29 01:28:14,489 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:28:14,489 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:28:14,490 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:28:14,490 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:28:14,490 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:28:14,491 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:28:14,491 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:28:14,491 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:28:14,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 01:28:14,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:28:14,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:14,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:14,540 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:28:14,540 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:28:14,540 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:28:14,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 01:28:14,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:28:14,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:14,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:14,545 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:28:14,545 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:28:14,554 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~tx~0;havoc main_~x~0;havoc main_~y~0;havoc main_~tx~0;main_~tx~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~y~0 := main_#t~nondet2;havoc main_#t~nondet2; 4#L21true assume !!(main_~tx~0 <= 1073741823); 6#L22true assume !!(main_~x~0 <= 1073741823); 8#L23true assume !!(main_~y~0 >= -1073741823); 10#L25-2true [2020-07-29 01:28:14,555 INFO L796 eck$LassoCheckResult]: Loop: 10#L25-2true assume !!(main_~x~0 >= main_~y~0 && main_~tx~0 >= 0); 12#L25true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 - 1 - main_~tx~0; 10#L25-2true [2020-07-29 01:28:14,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:14,562 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2020-07-29 01:28:14,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:14,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928848305] [2020-07-29 01:28:14,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:14,656 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:14,663 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:14,679 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:14,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:14,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1764, now seen corresponding path program 1 times [2020-07-29 01:28:14,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:14,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254637109] [2020-07-29 01:28:14,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:14,694 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:14,698 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:14,700 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:14,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:14,702 INFO L82 PathProgramCache]: Analyzing trace with hash 922017838, now seen corresponding path program 1 times [2020-07-29 01:28:14,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:14,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909636381] [2020-07-29 01:28:14,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:14,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:14,720 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:14,723 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:14,803 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:14,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:14,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:14,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:14,804 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:28:14,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:14,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:14,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:14,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2020-07-29 01:28:14,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:14,806 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:14,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:14,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:14,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:14,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:15,156 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:15,157 INFO L404 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) [2020-07-29 01:28:15,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:15,168 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:15,179 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:15,179 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2020-07-29 01:28:15,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:15,235 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:15,248 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:15,248 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2020-07-29 01:28:15,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:15,298 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-29 01:28:15,349 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:28:15,349 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:15,700 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:28:15,702 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:15,702 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:15,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:15,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:15,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:28:15,703 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:15,703 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:15,703 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:15,703 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2020-07-29 01:28:15,703 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:15,704 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:15,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:15,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:15,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:15,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:15,925 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:15,931 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-07-29 01:28:15,935 INFO L120 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 [2020-07-29 01:28:15,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:15,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:15,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:15,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:15,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:15,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:15,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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) [2020-07-29 01:28:15,988 INFO L120 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 [2020-07-29 01:28:15,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:15,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:15,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:15,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:15,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:15,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:15,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:16,038 INFO L120 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 [2020-07-29 01:28:16,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:16,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:16,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:16,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:16,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:16,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:16,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:16,048 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:28:16,055 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 01:28:16,055 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:16,060 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:28:16,061 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:28:16,061 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:28:16,062 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:16,103 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:28:16,108 INFO L393 LassoCheck]: Loop: "assume !!(main_~x~0 >= main_~y~0 && main_~tx~0 >= 0);" "assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 - 1 - main_~tx~0;" [2020-07-29 01:28:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:16,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:16,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:28:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:16,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:28:16,180 INFO L280 TraceCheckUtils]: 0: Hoare triple {20#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~tx~0;havoc main_~x~0;havoc main_~y~0;havoc main_~tx~0;main_~tx~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~y~0 := main_#t~nondet2;havoc main_#t~nondet2; {20#unseeded} is VALID [2020-07-29 01:28:16,182 INFO L280 TraceCheckUtils]: 1: Hoare triple {20#unseeded} assume !!(main_~tx~0 <= 1073741823); {20#unseeded} is VALID [2020-07-29 01:28:16,184 INFO L280 TraceCheckUtils]: 2: Hoare triple {20#unseeded} assume !!(main_~x~0 <= 1073741823); {20#unseeded} is VALID [2020-07-29 01:28:16,186 INFO L280 TraceCheckUtils]: 3: Hoare triple {20#unseeded} assume !!(main_~y~0 >= -1073741823); {20#unseeded} is VALID [2020-07-29 01:28:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:16,194 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:28:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:16,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:28:16,230 INFO L280 TraceCheckUtils]: 0: Hoare triple {23#(>= oldRank0 (+ (* 2 ULTIMATE.start_main_~x~0) (* (- 2) ULTIMATE.start_main_~y~0) 1))} assume !!(main_~x~0 >= main_~y~0 && main_~tx~0 >= 0); {47#(and (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (<= 0 ULTIMATE.start_main_~tx~0) (<= (+ (* 2 ULTIMATE.start_main_~x~0) 1) (+ oldRank0 (* 2 ULTIMATE.start_main_~y~0))))} is VALID [2020-07-29 01:28:16,232 INFO L280 TraceCheckUtils]: 1: Hoare triple {47#(and (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (<= 0 ULTIMATE.start_main_~tx~0) (<= (+ (* 2 ULTIMATE.start_main_~x~0) 1) (+ oldRank0 (* 2 ULTIMATE.start_main_~y~0))))} assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 - 1 - main_~tx~0; {33#(or (and (> oldRank0 (+ (* 2 ULTIMATE.start_main_~x~0) (* (- 2) ULTIMATE.start_main_~y~0) 1)) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 01:28:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:28:16,245 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:28:16,258 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:28:16,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:16,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,270 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 [2020-07-29 01:28:16,272 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2020-07-29 01:28:16,364 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 7 states. [2020-07-29 01:28:16,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:28:16,364 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:28:16,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 01:28:16,367 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:28:16,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:16,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:16,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:28:16,370 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:28:16,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:16,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:16,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2020-07-29 01:28:16,372 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:28:16,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:28:16,374 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 10 states. [2020-07-29 01:28:16,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:28:16,377 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:28:16,377 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:28:16,380 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:28:16,380 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:28:16,380 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 23 states and 30 transitions. cyclomatic complexity: 8 [2020-07-29 01:28:16,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. cyclomatic complexity: 8 [2020-07-29 01:28:16,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:28:16,381 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:28:16,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:16,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:16,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 30 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:16,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:28:16,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:28:16,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 30 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:28:16,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 23 letters. Loop has 23 letters. [2020-07-29 01:28:16,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 23 letters. Loop has 23 letters. [2020-07-29 01:28:16,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 30 transitions. cyclomatic complexity: 8 Stem has 23 letters. Loop has 23 letters. [2020-07-29 01:28:16,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 01:28:16,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 01:28:16,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 30 transitions. cyclomatic complexity: 8 Stem has 10 letters. Loop has 10 letters. [2020-07-29 01:28:16,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:28:16,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:28:16,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 30 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:28:16,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:16,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:16,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 30 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:16,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:28:16,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:28:16,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 30 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:28:16,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:28:16,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:28:16,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 30 transitions. cyclomatic complexity: 8 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:28:16,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:28:16,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:28:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 30 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:28:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,393 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:28:16,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:28:16,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2020-07-29 01:28:16,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:16,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:28:16,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:28:16,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:16,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. cyclomatic complexity: 8 [2020-07-29 01:28:16,404 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:28:16,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2020-07-29 01:28:16,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:28:16,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:28:16,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:28:16,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:28:16,411 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:28:16,411 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:28:16,411 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:28:16,411 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:28:16,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:28:16,412 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:28:16,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:28:16,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:28:16 BoogieIcfgContainer [2020-07-29 01:28:16,419 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:28:16,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:28:16,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:28:16,420 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:28:16,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:28:14" (3/4) ... [2020-07-29 01:28:16,425 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:28:16,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:28:16,429 INFO L168 Benchmark]: Toolchain (without parser) took 2725.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 960.2 MB in the beginning and 976.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:16,430 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:16,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.91 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:16,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.92 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:16,432 INFO L168 Benchmark]: Boogie Preprocessor took 128.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -198.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:16,433 INFO L168 Benchmark]: RCFGBuilder took 301.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:16,434 INFO L168 Benchmark]: BuchiAutomizer took 1995.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.6 MB in the end (delta: 157.3 MB). Peak memory consumption was 157.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:16,434 INFO L168 Benchmark]: Witness Printer took 5.56 ms. Allocated memory is still 1.2 GB. Free memory is still 976.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:16,439 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 242.91 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.92 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 128.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -198.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 301.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1995.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.6 MB in the end (delta: 157.3 MB). Peak memory consumption was 157.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.56 ms. Allocated memory is still 1.2 GB. Free memory is still 976.6 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * x + -2 * y + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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: 12 SDtfs, 13 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf93 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...