./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c --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-crafted/NestedRecursion_1d.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 0837a1e1d82be1b28ccf3514392f1b01c88a9160 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:23:20,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:23:20,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:23:20,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:23:20,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:23:20,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:23:20,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:23:20,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:23:20,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:23:20,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:23:20,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:23:20,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:23:20,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:23:20,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:23:20,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:23:20,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:23:20,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:23:20,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:23:20,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:23:20,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:23:20,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:23:20,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:23:20,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:23:20,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:23:20,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:23:20,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:23:20,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:23:20,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:23:20,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:23:20,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:23:20,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:23:20,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:23:20,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:23:20,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:23:20,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:23:20,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:23:20,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:23:20,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:23:20,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:23:20,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:23:20,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:23:20,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 22:23:20,377 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:23:20,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:23:20,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:23:20,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:23:20,386 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:23:20,386 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:23:20,386 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:23:20,387 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:23:20,387 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:23:20,387 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:23:20,391 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:23:20,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:23:20,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:23:20,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:23:20,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:23:20,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:23:20,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:23:20,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:23:20,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:23:20,396 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:23:20,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:23:20,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:23:20,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:23:20,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:23:20,399 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:23:20,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:23:20,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:23:20,401 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:23:20,404 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:23:20,406 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 -> 0837a1e1d82be1b28ccf3514392f1b01c88a9160 [2019-11-16 22:23:21,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:23:21,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:23:21,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:23:21,065 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:23:21,069 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:23:21,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2019-11-16 22:23:21,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/953d17715/7e05afc267cf4d268302c34451e5c0d1/FLAG84bf6a6a3 [2019-11-16 22:23:22,360 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:23:22,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2019-11-16 22:23:22,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/953d17715/7e05afc267cf4d268302c34451e5c0d1/FLAG84bf6a6a3 [2019-11-16 22:23:22,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/953d17715/7e05afc267cf4d268302c34451e5c0d1 [2019-11-16 22:23:22,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:23:22,429 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:23:22,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:22,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:23:22,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:23:22,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:22" (1/1) ... [2019-11-16 22:23:22,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115b4fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:22, skipping insertion in model container [2019-11-16 22:23:22,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:22" (1/1) ... [2019-11-16 22:23:22,473 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:23:22,514 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:23:22,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:23:22,960 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:23:22,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:23:23,005 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:23:23,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23 WrapperNode [2019-11-16 22:23:23,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:23,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:23:23,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:23:23,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:23:23,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23" (1/1) ... [2019-11-16 22:23:23,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23" (1/1) ... [2019-11-16 22:23:23,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:23:23,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:23:23,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:23:23,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:23:23,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23" (1/1) ... [2019-11-16 22:23:23,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23" (1/1) ... [2019-11-16 22:23:23,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23" (1/1) ... [2019-11-16 22:23:23,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23" (1/1) ... [2019-11-16 22:23:23,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23" (1/1) ... [2019-11-16 22:23:23,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23" (1/1) ... [2019-11-16 22:23:23,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:23" (1/1) ... [2019-11-16 22:23:23,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:23:23,259 INFO L168 Benchmark]: Toolchain (without parser) took 812.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:23:23,263 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:23:23,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.30 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-16 22:23:23,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 991.1 MB in the end (delta: -35.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-16 22:23:23,272 INFO L168 Benchmark]: Boogie Preprocessor took 32.50 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:23:23,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 577.30 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 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 197.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 991.1 MB in the end (delta: -35.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.50 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...