./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/NestedRecursion_2b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version da95e156 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_2b.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 1b7166d94206693c3f254a3c1de8d5825f8510fb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-da95e15 [2019-11-27 11:27:49,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:27:49,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:27:49,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:27:49,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:27:49,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:27:49,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:27:49,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:27:49,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:27:49,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:27:49,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:27:49,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:27:49,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:27:49,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:27:49,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:27:49,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:27:49,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:27:49,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:27:49,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:27:49,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:27:49,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:27:49,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:27:49,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:27:49,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:27:49,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:27:49,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:27:49,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:27:49,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:27:49,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:27:49,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:27:49,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:27:49,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:27:49,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:27:49,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:27:49,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:27:49,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:27:49,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:27:49,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:27:49,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:27:49,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:27:49,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:27:49,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-27 11:27:49,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:27:49,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:27:49,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:27:49,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:27:49,667 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:27:49,668 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-27 11:27:49,668 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-27 11:27:49,670 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-27 11:27:49,670 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-27 11:27:49,670 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-27 11:27:49,672 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-27 11:27:49,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:27:49,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:27:49,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:27:49,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:27:49,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-27 11:27:49,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-27 11:27:49,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-27 11:27:49,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 11:27:49,681 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-27 11:27:49,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:27:49,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-27 11:27:49,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:27:49,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:27:49,683 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-27 11:27:49,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:27:49,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:27:49,686 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-27 11:27:49,688 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-27 11:27:49,691 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 -> 1b7166d94206693c3f254a3c1de8d5825f8510fb [2019-11-27 11:27:50,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:27:50,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:27:50,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:27:50,391 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:27:50,392 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:27:50,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NestedRecursion_2b.c [2019-11-27 11:27:50,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e41a862/a8e81e624dd940da9e3a50697d46a9e6/FLAG06247dd99 [2019-11-27 11:27:51,656 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:27:51,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/NestedRecursion_2b.c [2019-11-27 11:27:51,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e41a862/a8e81e624dd940da9e3a50697d46a9e6/FLAG06247dd99 [2019-11-27 11:27:51,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e41a862/a8e81e624dd940da9e3a50697d46a9e6 [2019-11-27 11:27:51,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:27:51,727 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 11:27:51,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:27:51,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:27:51,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:27:51,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:27:51" (1/1) ... [2019-11-27 11:27:51,755 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 27.11 11:27:51, skipping insertion in model container [2019-11-27 11:27:51,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:27:51" (1/1) ... [2019-11-27 11:27:51,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:27:51,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:27:52,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:27:52,288 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:27:52,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:27:52,342 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:27:52,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52 WrapperNode [2019-11-27 11:27:52,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:27:52,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 11:27:52,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 11:27:52,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 11:27:52,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52" (1/1) ... [2019-11-27 11:27:52,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52" (1/1) ... [2019-11-27 11:27:52,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 11:27:52,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:27:52,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:27:52,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:27:52,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52" (1/1) ... [2019-11-27 11:27:52,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52" (1/1) ... [2019-11-27 11:27:52,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52" (1/1) ... [2019-11-27 11:27:52,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52" (1/1) ... [2019-11-27 11:27:52,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52" (1/1) ... [2019-11-27 11:27:52,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52" (1/1) ... [2019-11-27 11:27:52,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:52" (1/1) ... [2019-11-27 11:27:52,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:27:52,600 INFO L168 Benchmark]: Toolchain (without parser) took 862.95 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. [2019-11-27 11:27:52,604 INFO L168 Benchmark]: CDTParser took 0.64 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. [2019-11-27 11:27:52,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.48 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. [2019-11-27 11:27:52,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.24 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. [2019-11-27 11:27:52,616 INFO L168 Benchmark]: Boogie Preprocessor took 45.94 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. [2019-11-27 11:27:52,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 624.48 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 184.24 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 45.94 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...