./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-libowfat/skip_to.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c6eb4584 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-libowfat/skip_to.i -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 85a28e8b69ad9928c2d4d4c2cb6f442cd64e8524 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:24:12,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:24:12,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:24:12,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:24:12,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:24:12,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:24:12,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:24:12,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:24:12,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:24:12,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:24:12,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:24:12,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:24:12,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:24:12,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:24:12,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:24:12,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:24:12,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:24:12,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:24:12,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:24:12,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:24:12,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:24:12,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:24:12,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:24:12,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:24:12,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:24:12,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:24:12,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:24:12,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:24:12,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:24:12,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:24:12,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:24:12,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:24:12,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:24:12,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:24:12,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:24:12,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:24:12,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:24:12,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:24:12,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:24:12,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:24:12,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:24:12,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 22:24:12,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:24:12,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:24:12,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:24:12,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:24:12,450 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:24:12,450 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:24:12,451 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:24:12,451 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:24:12,452 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:24:12,452 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:24:12,455 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:24:12,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:24:12,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:24:12,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:24:12,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:24:12,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:24:12,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:24:12,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:24:12,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:24:12,461 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:24:12,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:24:12,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:24:12,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:24:12,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:24:12,467 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:24:12,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:24:12,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:24:12,470 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:24:12,471 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:24:12,476 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85a28e8b69ad9928c2d4d4c2cb6f442cd64e8524 [2019-11-16 22:24:13,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:24:13,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:24:13,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:24:13,088 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:24:13,092 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:24:13,093 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-libowfat/skip_to.i [2019-11-16 22:24:13,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc6df5a8/2021b16db66e4f528ed3b917d30a5d31/FLAG8439ffa9f [2019-11-16 22:24:14,475 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:24:14,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-libowfat/skip_to.i [2019-11-16 22:24:14,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc6df5a8/2021b16db66e4f528ed3b917d30a5d31/FLAG8439ffa9f [2019-11-16 22:24:14,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc6df5a8/2021b16db66e4f528ed3b917d30a5d31 [2019-11-16 22:24:14,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:24:14,538 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:24:14,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:24:14,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:24:14,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:24:14,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:24:14" (1/1) ... [2019-11-16 22:24:14,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c068a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:14, skipping insertion in model container [2019-11-16 22:24:14,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:24:14" (1/1) ... [2019-11-16 22:24:14,569 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:24:14,653 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:24:15,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:24:15,529 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:24:15,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:24:15,775 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:24:15,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15 WrapperNode [2019-11-16 22:24:15,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:24:15,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:24:15,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:24:15,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:24:15,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15" (1/1) ... [2019-11-16 22:24:15,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15" (1/1) ... [2019-11-16 22:24:15,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:24:15,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:24:15,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:24:15,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:24:15,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15" (1/1) ... [2019-11-16 22:24:15,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15" (1/1) ... [2019-11-16 22:24:15,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15" (1/1) ... [2019-11-16 22:24:15,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15" (1/1) ... [2019-11-16 22:24:15,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15" (1/1) ... [2019-11-16 22:24:15,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15" (1/1) ... [2019-11-16 22:24:15,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:24:15" (1/1) ... [2019-11-16 22:24:16,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:24:16,015 INFO L168 Benchmark]: Toolchain (without parser) took 1470.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.0 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:24:16,020 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:24:16,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1237.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:24:16,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.17 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:24:16,030 INFO L168 Benchmark]: Boogie Preprocessor took 92.95 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:24:16,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1237.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.17 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.95 ms. Allocated memory is still 1.0 GB. Free memory is still 974.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...