./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/afterrec-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/recursive-simple/afterrec-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 30601811463d073f869bef96a3132d41c5e6f5ce ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:31:19,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:31:19,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:31:19,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:31:19,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:31:19,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:31:19,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:31:19,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:31:19,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:31:19,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:31:19,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:31:19,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:31:19,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:31:19,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:31:19,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:31:19,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:31:19,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:31:19,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:31:19,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:31:19,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:31:19,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:31:19,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:31:19,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:31:19,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:31:19,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:31:19,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:31:19,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:31:19,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:31:19,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:31:19,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:31:19,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:31:19,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:31:19,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:31:19,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:31:19,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:31:19,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:31:19,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:31:19,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:31:19,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:31:19,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:31:19,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:31:19,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 22:31:19,372 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:31:19,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:31:19,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:31:19,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:31:19,381 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:31:19,381 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:31:19,381 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:31:19,382 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:31:19,382 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:31:19,382 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:31:19,385 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:31:19,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:31:19,386 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:31:19,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:31:19,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:31:19,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:31:19,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:31:19,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:31:19,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:31:19,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:31:19,391 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:31:19,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:31:19,394 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:31:19,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:31:19,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:31:19,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:31:19,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:31:19,396 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:31:19,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:31:19,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:31:19,400 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:31:19,401 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:31:19,402 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30601811463d073f869bef96a3132d41c5e6f5ce [2019-11-16 22:31:20,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:31:20,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:31:20,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:31:20,067 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:31:20,068 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:31:20,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-16 22:31:20,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/734b8b694/203b5610261b40e1b98be8daf831b485/FLAG3a8a5bcb3 [2019-11-16 22:31:21,306 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:31:21,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/afterrec-2.c [2019-11-16 22:31:21,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/734b8b694/203b5610261b40e1b98be8daf831b485/FLAG3a8a5bcb3 [2019-11-16 22:31:21,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/734b8b694/203b5610261b40e1b98be8daf831b485 [2019-11-16 22:31:21,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:31:21,375 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:31:21,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:31:21,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:31:21,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:31:21,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:21,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc0da2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21, skipping insertion in model container [2019-11-16 22:31:21,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:21,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:31:21,459 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:31:21,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:31:21,814 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:31:21,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:31:21,853 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:31:21,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21 WrapperNode [2019-11-16 22:31:21,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:31:21,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:31:21,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:31:21,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:31:21,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:21,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:22,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:31:22,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:31:22,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:31:22,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:31:22,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:22,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:22,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:22,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:22,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:22,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:22,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:21" (1/1) ... [2019-11-16 22:31:22,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:31:22,083 INFO L168 Benchmark]: Toolchain (without parser) took 699.34 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:31:22,088 INFO L168 Benchmark]: CDTParser took 0.44 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 22:31:22,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.70 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 22:31:22,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.83 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 991.2 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-16 22:31:22,096 INFO L168 Benchmark]: Boogie Preprocessor took 42.44 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:31:22,108 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 476.70 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 171.83 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 991.2 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.44 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...