./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.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 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:57:34,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:57:34,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:57:34,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:57:34,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:57:34,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:57:34,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:57:34,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:57:34,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:57:34,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:57:34,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:57:34,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:57:34,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:57:34,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:57:34,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:57:34,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:57:34,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:57:34,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:57:34,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:57:34,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:57:34,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:57:34,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:57:34,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:57:34,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:57:34,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:57:34,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:57:34,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:57:34,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:57:34,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:57:34,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:57:34,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:57:34,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:57:34,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:57:34,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:57:34,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:57:34,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:57:34,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:57:34,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:57:34,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:57:34,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:57:34,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:57:34,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 02:57:35,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:57:35,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:57:35,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:57:35,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:57:35,010 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:57:35,010 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 02:57:35,010 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 02:57:35,010 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 02:57:35,010 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 02:57:35,011 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 02:57:35,013 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 02:57:35,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:57:35,013 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:57:35,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:57:35,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:57:35,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 02:57:35,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 02:57:35,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 02:57:35,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:57:35,015 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 02:57:35,015 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:57:35,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 02:57:35,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:57:35,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:57:35,016 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 02:57:35,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:57:35,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:57:35,016 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 02:57:35,017 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 02:57:35,018 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 -> 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 [2019-11-28 02:57:35,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:57:35,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:57:35,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:57:35,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:57:35,361 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:57:35,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2019-11-28 02:57:35,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/050f771bc/8805c7b59e2143d7bfd4478c26589643/FLAG77375d287 [2019-11-28 02:57:35,854 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:57:35,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2019-11-28 02:57:35,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/050f771bc/8805c7b59e2143d7bfd4478c26589643/FLAG77375d287 [2019-11-28 02:57:36,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/050f771bc/8805c7b59e2143d7bfd4478c26589643 [2019-11-28 02:57:36,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:57:36,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:57:36,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:57:36,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:57:36,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:57:36,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf4c1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36, skipping insertion in model container [2019-11-28 02:57:36,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:57:36,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:57:36,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:57:36,482 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:57:36,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:57:36,509 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:57:36,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36 WrapperNode [2019-11-28 02:57:36,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:57:36,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:57:36,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:57:36,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:57:36,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:57:36,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:57:36,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:57:36,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:57:36,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... [2019-11-28 02:57:36,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:57:36,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:57:36,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:57:36,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:57:36,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:57:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:57:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:57:36,786 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:57:36,787 INFO L297 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 02:57:36,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:36 BoogieIcfgContainer [2019-11-28 02:57:36,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:57:36,788 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 02:57:36,789 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 02:57:36,791 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 02:57:36,792 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:57:36,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:57:36" (1/3) ... [2019-11-28 02:57:36,793 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781c91c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:57:36, skipping insertion in model container [2019-11-28 02:57:36,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:57:36,793 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36" (2/3) ... [2019-11-28 02:57:36,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781c91c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:57:36, skipping insertion in model container [2019-11-28 02:57:36,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:57:36,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:36" (3/3) ... [2019-11-28 02:57:36,795 INFO L371 chiAutomizerObserver]: Analyzing ICFG LeikeHeizmann-WST2014-Ex9.c [2019-11-28 02:57:36,844 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 02:57:36,845 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 02:57:36,845 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 02:57:36,845 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:57:36,845 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:57:36,845 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 02:57:36,846 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:57:36,846 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 02:57:36,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-28 02:57:36,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 02:57:36,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:57:36,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:57:36,881 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:57:36,881 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 02:57:36,881 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 02:57:36,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-28 02:57:36,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 02:57:36,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:57:36,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:57:36,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:57:36,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 02:57:36,889 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L13-2true [2019-11-28 02:57:36,889 INFO L796 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~x~0 > 0);main_~x~0 := (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then 1 + main_~x~0 / 2 else main_~x~0 / 2); 6#L13-2true [2019-11-28 02:57:36,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:57:36,895 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 02:57:36,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:57:36,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262019924] [2019-11-28 02:57:36,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:57:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:57:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:57:36,976 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:57:36,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:57:36,977 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-28 02:57:36,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:57:36,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368467220] [2019-11-28 02:57:36,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:57:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:57:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:57:37,004 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:57:37,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:57:37,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-28 02:57:37,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:57:37,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561340315] [2019-11-28 02:57:37,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:57:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:57:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:57:37,020 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:57:37,100 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:57:37,101 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:57:37,102 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:57:37,102 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:57:37,102 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:57:37,103 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:57:37,103 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:57:37,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:57:37,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-WST2014-Ex9.c_Iteration1_Loop [2019-11-28 02:57:37,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:57:37,106 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:57:37,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:57:37,301 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:57:37,302 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) [2019-11-28 02:57:37,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:57:37,309 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 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) [2019-11-28 02:57:37,325 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:57:37,325 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 [2019-11-28 02:57:37,356 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:57:37,358 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:57:37,359 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:57:37,359 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:57:37,359 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:57:37,359 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:57:37,359 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:57:37,360 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:57:37,360 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:57:37,360 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-WST2014-Ex9.c_Iteration1_Loop [2019-11-28 02:57:37,360 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:57:37,360 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:57:37,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:57:37,483 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:57:37,489 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 02:57:37,496 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 [2019-11-28 02:57:37,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:57:37,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:57:37,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:57:37,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:57:37,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:57:37,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:57:37,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:57:37,516 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:57:37,523 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-28 02:57:37,523 INFO L444 ModelExtractionUtils]: 1 out of 3 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:57:37,532 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:57:37,532 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:57:37,533 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:57:37,533 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2019-11-28 02:57:37,538 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 02:57:37,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:57:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:57:37,567 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:57:37,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:57:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:57:37,578 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:57:37,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:57:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:57:37,596 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 02:57:37,597 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2019-11-28 02:57:37,632 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2019-11-28 02:57:37,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:57:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 02:57:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-11-28 02:57:37,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2019-11-28 02:57:37,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:57:37,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-28 02:57:37,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:57:37,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-28 02:57:37,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:57:37,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-11-28 02:57:37,644 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 02:57:37,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-28 02:57:37,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 02:57:37,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 02:57:37,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 02:57:37,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 02:57:37,658 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:57:37,658 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:57:37,658 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:57:37,658 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 02:57:37,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 02:57:37,659 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 02:57:37,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 02:57:37,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:57:37 BoogieIcfgContainer [2019-11-28 02:57:37,667 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 02:57:37,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:57:37,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:57:37,669 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:57:37,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:36" (3/4) ... [2019-11-28 02:57:37,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 02:57:37,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:57:37,678 INFO L168 Benchmark]: Toolchain (without parser) took 1387.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -77.5 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2019-11-28 02:57:37,679 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:57:37,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.07 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:57:37,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.89 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:57:37,684 INFO L168 Benchmark]: Boogie Preprocessor took 70.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:57:37,685 INFO L168 Benchmark]: RCFGBuilder took 179.97 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:57:37,687 INFO L168 Benchmark]: BuchiAutomizer took 878.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. [2019-11-28 02:57:37,688 INFO L168 Benchmark]: Witness Printer took 7.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:57:37,701 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 220.07 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.89 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 179.97 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 878.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div369 bol100 ite112 ukn100 eq131 hnf56 smp42 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...