./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 32f26835 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/NestedRecursion_2c.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 14df269faa4a77275028af94d8141ab36c184cf5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:27:59,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:27:59,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:27:59,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:27:59,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:27:59,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:27:59,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:27:59,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:27:59,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:27:59,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:27:59,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:27:59,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:27:59,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:27:59,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:27:59,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:27:59,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:27:59,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:27:59,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:27:59,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:27:59,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:27:59,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:27:59,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:27:59,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:27:59,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:27:59,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:27:59,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:27:59,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:27:59,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:27:59,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:27:59,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:27:59,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:27:59,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:27:59,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:27:59,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:27:59,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:27:59,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:27:59,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:27:59,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:27:59,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:27:59,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:27:59,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:27:59,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-24 22:27:59,310 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:27:59,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:27:59,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:27:59,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:27:59,317 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:27:59,318 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-24 22:27:59,318 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-24 22:27:59,318 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-24 22:27:59,319 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-24 22:27:59,319 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-24 22:27:59,321 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-24 22:27:59,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:27:59,323 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:27:59,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:27:59,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:27:59,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-24 22:27:59,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-24 22:27:59,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-24 22:27:59,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 22:27:59,327 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-24 22:27:59,327 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:27:59,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-24 22:27:59,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:27:59,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:27:59,331 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-24 22:27:59,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:27:59,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:27:59,334 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-24 22:27:59,336 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-24 22:27:59,336 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 -> 14df269faa4a77275028af94d8141ab36c184cf5 [2019-11-24 22:27:59,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:28:00,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:28:00,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:28:00,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:28:00,013 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:28:00,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2019-11-24 22:28:00,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91e843cfa/bd658600c5e7434b9be4b48ef6faffca/FLAG9e53f8d53 [2019-11-24 22:28:01,262 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:28:01,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2019-11-24 22:28:01,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91e843cfa/bd658600c5e7434b9be4b48ef6faffca/FLAG9e53f8d53 [2019-11-24 22:28:01,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91e843cfa/bd658600c5e7434b9be4b48ef6faffca [2019-11-24 22:28:01,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:28:01,335 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 22:28:01,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:28:01,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:28:01,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:28:01,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:01,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726f098d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01, skipping insertion in model container [2019-11-24 22:28:01,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:01,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:28:01,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:28:01,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:28:01,856 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:28:01,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:28:01,933 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:28:01,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01 WrapperNode [2019-11-24 22:28:01,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:28:01,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 22:28:01,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 22:28:01,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 22:28:01,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:01,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:02,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 22:28:02,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:28:02,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:28:02,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:28:02,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:02,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:02,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:02,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:02,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:02,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:02,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:28:01" (1/1) ... [2019-11-24 22:28:02,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:28:02,176 INFO L168 Benchmark]: Toolchain (without parser) took 835.84 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 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:28:02,178 INFO L168 Benchmark]: CDTParser took 1.73 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. [2019-11-24 22:28:02,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.39 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-24 22:28:02,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 22:28:02,187 INFO L168 Benchmark]: Boogie Preprocessor took 45.69 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:28:02,200 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73 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 598.39 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 178.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 45.69 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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...