./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Singapore-2.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/Singapore-2.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 8798031d313d45f01361b1d24672bc4cca6c5157 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:27:56,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:27:56,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:27:57,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:27:57,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:27:57,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:27:57,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:27:57,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:27:57,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:27:57,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:27:57,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:27:57,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:27:57,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:27:57,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:27:57,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:27:57,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:27:57,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:27:57,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:27:57,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:27:57,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:27:57,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:27:57,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:27:57,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:27:57,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:27:57,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:27:57,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:27:57,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:27:57,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:27:57,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:27:57,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:27:57,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:27:57,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:27:57,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:27:57,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:27:57,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:27:57,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:27:57,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:27:57,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:27:57,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:27:57,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:27:57,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:27:57,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:27:57,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:27:57,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:27:57,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:27:57,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:27:57,086 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:27:57,086 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:27:57,087 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:27:57,087 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:27:57,087 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:27:57,087 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:27:57,087 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:27:57,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:27:57,088 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:27:57,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:27:57,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:27:57,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:27:57,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:27:57,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:27:57,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:27:57,089 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:27:57,089 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:27:57,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:27:57,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:27:57,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:27:57,090 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:27:57,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:27:57,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:27:57,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:27:57,091 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:27:57,092 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:27:57,092 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 -> 8798031d313d45f01361b1d24672bc4cca6c5157 [2020-07-29 01:27:57,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:27:57,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:27:57,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:27:57,399 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:27:57,400 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:27:57,400 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Singapore-2.c [2020-07-29 01:27:57,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429799a72/753d3d42899449c2b08ff4d58e7ab575/FLAG001299df4 [2020-07-29 01:27:57,904 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:27:57,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Singapore-2.c [2020-07-29 01:27:57,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429799a72/753d3d42899449c2b08ff4d58e7ab575/FLAG001299df4 [2020-07-29 01:27:58,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429799a72/753d3d42899449c2b08ff4d58e7ab575 [2020-07-29 01:27:58,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:27:58,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:27:58,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:27:58,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:27:58,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:27:58,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0f731d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58, skipping insertion in model container [2020-07-29 01:27:58,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:27:58,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:27:58,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:27:58,477 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:27:58,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:27:58,511 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:27:58,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58 WrapperNode [2020-07-29 01:27:58,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:27:58,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:27:58,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:27:58,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:27:58,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:27:58,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:27:58,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:27:58,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:27:58,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (1/1) ... [2020-07-29 01:27:58,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:27:58,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:27:58,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:27:58,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:27:58,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (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 01:27:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:27:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:27:58,876 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:27:58,876 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:27:58,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:27:58 BoogieIcfgContainer [2020-07-29 01:27:58,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:27:58,883 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:27:58,883 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:27:58,887 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:27:58,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:27:58,888 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:27:58" (1/3) ... [2020-07-29 01:27:58,889 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8549377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:27:58, skipping insertion in model container [2020-07-29 01:27:58,889 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:27:58,889 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:58" (2/3) ... [2020-07-29 01:27:58,890 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8549377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:27:58, skipping insertion in model container [2020-07-29 01:27:58,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:27:58,890 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:27:58" (3/3) ... [2020-07-29 01:27:58,892 INFO L371 chiAutomizerObserver]: Analyzing ICFG Singapore-2.c [2020-07-29 01:27:58,982 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:27:58,982 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:27:58,983 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:27:58,983 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:27:58,983 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:27:58,983 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:27:58,983 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:27:58,984 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:27:58,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:27:59,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:27:59,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:27:59,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:27:59,026 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:27:59,026 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:27:59,026 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:27:59,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:27:59,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:27:59,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:27:59,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:27:59,030 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:27:59,030 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:27:59,036 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 4#L17true assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); 6#L18true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 10#L19true assume main_~x~0 + main_~y~0 <= 0; 7#L20-2true [2020-07-29 01:27:59,036 INFO L796 eck$LassoCheckResult]: Loop: 7#L20-2true assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 + main_~x~0 + main_~y~0;main_~y~0 := main_~y~0 - 1; 7#L20-2true [2020-07-29 01:27:59,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:27:59,041 INFO L82 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2020-07-29 01:27:59,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:27:59,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687167886] [2020-07-29 01:27:59,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:27:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:59,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:59,133 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:59,149 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:27:59,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:27:59,151 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2020-07-29 01:27:59,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:27:59,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831051163] [2020-07-29 01:27:59,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:27:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:59,161 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:59,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:59,167 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:27:59,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:27:59,169 INFO L82 PathProgramCache]: Analyzing trace with hash 29742446, now seen corresponding path program 1 times [2020-07-29 01:27:59,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:27:59,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951618812] [2020-07-29 01:27:59,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:27:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:59,181 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:59,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:59,192 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:27:59,262 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:27:59,263 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:27:59,263 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:27:59,263 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:27:59,263 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:27:59,263 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:59,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:27:59,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:27:59,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Loop [2020-07-29 01:27:59,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:27:59,264 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:27:59,306 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 01:27:59,323 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 01:27:59,335 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 01:27:59,477 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:27:59,478 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:59,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:27:59,485 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:27:59,496 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:27:59,496 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 01:27:59,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:27:59,538 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 01:27:59,547 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:27:59,547 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 01:27:59,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:27:59,585 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) [2020-07-29 01:27:59,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:27:59,624 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:59,697 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:27:59,697 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=15} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=15} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=8}, {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=6}] Lambdas: [2, 1, 2] Nus: [0, 0] [2020-07-29 01:27:59,789 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:27:59,789 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:27:59,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:27:59,790 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:27:59,790 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:27:59,790 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:59,790 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:27:59,791 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:27:59,791 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2020-07-29 01:27:59,791 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:27:59,791 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:27:59,808 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 01:27:59,813 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 01:27:59,818 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 01:27:59,823 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 01:27:59,828 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 01:27:59,848 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 01:28:00,044 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:00,044 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:00,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:00,048 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:00,052 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:00,052 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 01:28:00,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:00,089 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:00,094 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:00,095 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 01:28:00,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:00,124 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:00,127 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:00,127 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:00,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:00,156 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:00,159 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:00,159 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:00,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:00,188 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:00,226 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:28:00,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:02,437 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:28:02,441 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:02,441 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:02,442 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:02,442 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:02,442 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:28:02,442 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:02,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:02,443 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:02,443 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2020-07-29 01:28:02,443 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:02,443 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:02,455 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 01:28:02,460 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 01:28:02,464 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 01:28:02,468 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 01:28:02,472 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 01:28:02,477 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 01:28:02,660 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:02,666 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:02,672 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 01:28:02,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:02,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:02,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:02,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:02,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:02,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:02,689 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 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:02,733 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 01:28:02,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:02,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:02,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:02,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:02,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:02,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:02,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:02,738 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:02,778 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 01:28:02,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:02,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:02,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:02,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:02,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:02,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:02,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:02,785 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:02,832 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 01:28:02,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:02,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:02,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:02,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:02,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:02,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:02,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:02,838 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:02,885 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 01:28:02,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:02,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:02,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:02,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:02,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:02,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:02,895 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 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:02,937 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 01:28:02,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:02,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:02,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:02,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:02,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:02,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:28:02,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:28:02,994 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:03,006 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 01:28:03,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:03,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:03,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:03,009 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:03,012 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:28:03,013 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:03,019 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:03,063 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 01:28:03,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:03,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:03,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:03,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:03,066 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:03,067 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:03,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:03,070 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:03,117 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 01:28:03,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:03,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:03,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:03,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:03,120 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:03,123 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:03,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:03,126 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:03,180 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 01:28:03,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:03,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:03,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:03,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:03,182 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:03,184 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:28:03,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:03,187 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:03,225 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 01:28:03,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:03,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:03,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:03,227 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:03,230 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:28:03,230 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:03,236 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:03,269 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 01:28:03,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:03,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:03,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:03,272 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:28:03,283 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:28:03,284 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:03,307 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:28:03,354 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-07-29 01:28:03,355 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:03,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:03,364 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2020-07-29 01:28:03,365 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:28:03,365 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 3*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~y~0 f1 = 2*ULTIMATE.start_main_~x~0 Supporting invariants [-1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 >= 0] [2020-07-29 01:28:03,471 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-29 01:28:03,493 INFO L393 LassoCheck]: Loop: "assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 + main_~x~0 + main_~y~0;main_~y~0 := main_~y~0 - 1;" [2020-07-29 01:28:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:03,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:03,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-29 01:28:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:03,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:28:03,580 INFO L280 TraceCheckUtils]: 0: Hoare triple {19#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {19#unseeded} is VALID [2020-07-29 01:28:03,580 INFO L280 TraceCheckUtils]: 1: Hoare triple {19#unseeded} assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); {19#unseeded} is VALID [2020-07-29 01:28:03,581 INFO L280 TraceCheckUtils]: 2: Hoare triple {19#unseeded} assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); {19#unseeded} is VALID [2020-07-29 01:28:03,581 INFO L280 TraceCheckUtils]: 3: Hoare triple {19#unseeded} assume main_~x~0 + main_~y~0 <= 0; {39#(and (>= (+ (* (- 1) ULTIMATE.start_main_~y~0) (* (- 1) ULTIMATE.start_main_~x~0)) 0) unseeded)} is VALID [2020-07-29 01:28:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:03,588 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-29 01:28:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:03,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:28:03,598 INFO L280 TraceCheckUtils]: 0: Hoare triple {40#(and (>= oldRank1 (ite (> (+ (* 3 ULTIMATE.start_main_~x~0) (* 2 ULTIMATE.start_main_~y~0)) 0) (+ (* 3 ULTIMATE.start_main_~x~0) (* 2 ULTIMATE.start_main_~y~0)) (* 2 ULTIMATE.start_main_~x~0))) (>= oldRank0 (ite (> (+ (* 3 ULTIMATE.start_main_~x~0) (* 2 ULTIMATE.start_main_~y~0)) 0) 1 0)) (>= (+ (* (- 1) ULTIMATE.start_main_~y~0) (* (- 1) ULTIMATE.start_main_~x~0)) 0))} assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 + main_~x~0 + main_~y~0;main_~y~0 := main_~y~0 - 1; {42#(and (>= (+ (* (- 1) ULTIMATE.start_main_~y~0) (* (- 1) ULTIMATE.start_main_~x~0)) 0) (or (and (> oldRank0 (ite (> (+ (* 3 ULTIMATE.start_main_~x~0) (* 2 ULTIMATE.start_main_~y~0)) 0) 1 0)) (>= oldRank0 0)) (and (>= oldRank1 0) (>= oldRank0 (ite (> (+ (* 3 ULTIMATE.start_main_~x~0) (* 2 ULTIMATE.start_main_~y~0)) 0) 1 0)) (> oldRank1 (ite (> (+ (* 3 ULTIMATE.start_main_~x~0) (* 2 ULTIMATE.start_main_~y~0)) 0) (+ (* 3 ULTIMATE.start_main_~x~0) (* 2 ULTIMATE.start_main_~y~0)) (* 2 ULTIMATE.start_main_~x~0)))) unseeded))} is VALID [2020-07-29 01:28:03,598 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 01:28:03,609 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:28:03,625 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:28:03,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:03,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,637 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 [2020-07-29 01:28:03,638 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2020-07-29 01:28:03,770 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 22 states and 27 transitions. Complement of second has 5 states. [2020-07-29 01:28:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:28:03,771 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:28:03,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:28:03,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:03,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:03,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:03,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 01:28:03,778 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:28:03,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:03,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:03,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2020-07-29 01:28:03,781 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:28:03,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:28:03,783 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 9 states. [2020-07-29 01:28:03,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:03,785 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:28:03,786 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 01:28:03,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:28:03,788 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:28:03,789 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 22 states and 27 transitions. cyclomatic complexity: 6 [2020-07-29 01:28:03,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. cyclomatic complexity: 6 [2020-07-29 01:28:03,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:28:03,790 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:28:03,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:03,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:03,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:03,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:03,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:03,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:03,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 22 letters. Loop has 22 letters. [2020-07-29 01:28:03,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 22 letters. Loop has 22 letters. [2020-07-29 01:28:03,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 22 letters. Loop has 22 letters. [2020-07-29 01:28:03,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:28:03,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:28:03,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:28:03,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:28:03,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:28:03,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:28:03,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:03,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:03,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:03,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:28:03,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:28:03,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:28:03,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:03,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:03,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:03,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,803 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:28:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:28:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2020-07-29 01:28:03,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:03,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:28:03,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:03,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:03,810 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. cyclomatic complexity: 6 [2020-07-29 01:28:03,813 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:28:03,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2020-07-29 01:28:03,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:28:03,818 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:28:03,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:28:03,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:28:03,819 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:28:03,819 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:28:03,819 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:28:03,820 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:28:03,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:28:03,820 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:28:03,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:28:03,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:28:03 BoogieIcfgContainer [2020-07-29 01:28:03,828 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:28:03,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:28:03,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:28:03,829 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:28:03,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:27:58" (3/4) ... [2020-07-29 01:28:03,833 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:28:03,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:28:03,837 INFO L168 Benchmark]: Toolchain (without parser) took 5557.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 954.9 MB in the beginning and 799.2 MB in the end (delta: 155.6 MB). Peak memory consumption was 272.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:03,838 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:03,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.41 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:03,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.07 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:03,841 INFO L168 Benchmark]: Boogie Preprocessor took 71.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:03,842 INFO L168 Benchmark]: RCFGBuilder took 266.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:03,842 INFO L168 Benchmark]: BuchiAutomizer took 4945.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 799.2 MB in the end (delta: 296.0 MB). Peak memory consumption was 296.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:03,843 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 1.1 GB. Free memory is still 799.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:03,847 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 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 231.41 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 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 31.07 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 266.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4945.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 799.2 MB in the end (delta: 296.0 MB). Peak memory consumption was 296.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.14 ms. Allocated memory is still 1.1 GB. Free memory is still 799.2 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 2-nested ranking function (if 3 * x + 2 * y > 0 then 1 else 0), (if 3 * x + 2 * y > 0 then 3 * x + 2 * y else 2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. 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, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf94 smp100 dnf100 smp100 tf102 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...