./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-numeric/Ackermann01-1.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-numeric/Ackermann01-1.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 69d872c0500c15c11d149393bc821769e86dd3ec ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:23:42,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:23:42,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:23:42,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:23:42,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:23:42,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:23:42,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:23:42,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:23:42,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:23:42,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:23:42,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:23:42,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:23:42,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:23:42,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:23:42,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:23:42,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:23:42,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:23:42,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:23:42,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:23:42,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:23:42,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:23:42,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:23:42,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:23:42,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:23:42,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:23:42,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:23:42,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:23:42,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:23:42,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:23:42,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:23:42,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:23:42,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:23:42,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:23:42,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:23:42,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:23:42,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:23:42,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:23:42,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:23:42,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:23:42,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:23:42,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:23:42,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 22:23:42,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:23:42,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:23:42,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:23:42,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:23:42,384 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:23:42,385 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:23:42,385 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:23:42,386 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:23:42,389 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:23:42,389 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:23:42,391 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:23:42,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:23:42,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:23:42,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:23:42,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:23:42,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:23:42,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:23:42,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:23:42,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:23:42,397 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:23:42,397 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:23:42,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:23:42,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:23:42,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:23:42,401 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:23:42,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:23:42,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:23:42,402 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:23:42,405 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:23:42,409 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 -> 69d872c0500c15c11d149393bc821769e86dd3ec [2019-11-16 22:23:43,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:23:43,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:23:43,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:23:43,091 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:23:43,093 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:23:43,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Ackermann01-1.c [2019-11-16 22:23:43,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c3cf0ff/80f7545bc5d041bbbd7683ab63e6bbdc/FLAGd56a3d26c [2019-11-16 22:23:44,285 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:23:44,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/Ackermann01-1.c [2019-11-16 22:23:44,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c3cf0ff/80f7545bc5d041bbbd7683ab63e6bbdc/FLAGd56a3d26c [2019-11-16 22:23:44,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c3cf0ff/80f7545bc5d041bbbd7683ab63e6bbdc [2019-11-16 22:23:44,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:23:44,355 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:23:44,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:44,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:23:44,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:23:44,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:44" (1/1) ... [2019-11-16 22:23:44,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7412340d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:44, skipping insertion in model container [2019-11-16 22:23:44,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:44" (1/1) ... [2019-11-16 22:23:44,399 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:23:44,448 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:23:44,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:23:44,918 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:23:44,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:23:44,999 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:23:45,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45 WrapperNode [2019-11-16 22:23:45,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:45,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:23:45,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:23:45,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:23:45,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45" (1/1) ... [2019-11-16 22:23:45,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45" (1/1) ... [2019-11-16 22:23:45,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:23:45,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:23:45,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:23:45,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:23:45,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45" (1/1) ... [2019-11-16 22:23:45,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45" (1/1) ... [2019-11-16 22:23:45,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45" (1/1) ... [2019-11-16 22:23:45,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45" (1/1) ... [2019-11-16 22:23:45,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45" (1/1) ... [2019-11-16 22:23:45,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45" (1/1) ... [2019-11-16 22:23:45,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:45" (1/1) ... [2019-11-16 22:23:45,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:23:45,264 INFO L168 Benchmark]: Toolchain (without parser) took 900.07 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:23:45,266 INFO L168 Benchmark]: CDTParser took 0.58 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 22:23:45,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.24 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-16 22:23:45,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-16 22:23:45,281 INFO L168 Benchmark]: Boogie Preprocessor took 57.47 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:23:45,293 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 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 646.24 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.47 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...