./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/Nested-2.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-restricted-15/Nested-2.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 5f36db653fc1ba72ccbb6cf21df7b84599ee28f0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:23:56,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:23:56,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:23:56,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:23:56,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:23:56,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:23:56,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:23:56,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:23:56,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:23:56,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:23:56,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:23:56,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:23:56,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:23:56,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:23:56,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:23:56,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:23:56,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:23:56,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:23:56,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:23:56,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:23:56,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:23:56,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:23:56,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:23:56,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:23:56,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:23:56,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:23:56,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:23:56,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:23:56,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:23:56,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:23:56,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:23:56,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:23:56,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:23:56,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:23:56,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:23:56,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:23:56,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:23:56,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:23:56,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:23:56,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:23:56,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:23:56,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 22:23:56,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:23:56,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:23:56,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:23:56,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:23:56,569 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:23:56,569 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:23:56,570 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:23:56,570 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:23:56,570 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:23:56,571 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:23:56,574 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:23:56,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:23:56,574 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:23:56,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:23:56,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:23:56,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:23:56,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:23:56,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:23:56,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:23:56,578 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:23:56,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:23:56,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:23:56,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:23:56,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:23:56,583 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:23:56,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:23:56,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:23:56,584 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:23:56,587 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:23:56,591 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 -> 5f36db653fc1ba72ccbb6cf21df7b84599ee28f0 [2019-11-16 22:23:57,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:23:57,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:23:57,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:23:57,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:23:57,215 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:23:57,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/Nested-2.c [2019-11-16 22:23:57,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb565712b/7aded35db50947b8af8701d6c7ab53a0/FLAGce2aa4584 [2019-11-16 22:23:58,427 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:23:58,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/Nested-2.c [2019-11-16 22:23:58,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb565712b/7aded35db50947b8af8701d6c7ab53a0/FLAGce2aa4584 [2019-11-16 22:23:58,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb565712b/7aded35db50947b8af8701d6c7ab53a0 [2019-11-16 22:23:58,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:23:58,494 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:23:58,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:58,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:23:58,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:23:58,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:58" (1/1) ... [2019-11-16 22:23:58,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10834b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:58, skipping insertion in model container [2019-11-16 22:23:58,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:58" (1/1) ... [2019-11-16 22:23:58,540 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:23:58,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:23:59,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:23:59,040 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:23:59,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:23:59,116 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:23:59,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59 WrapperNode [2019-11-16 22:23:59,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:59,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:23:59,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:23:59,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:23:59,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59" (1/1) ... [2019-11-16 22:23:59,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59" (1/1) ... [2019-11-16 22:23:59,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:23:59,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:23:59,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:23:59,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:23:59,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59" (1/1) ... [2019-11-16 22:23:59,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59" (1/1) ... [2019-11-16 22:23:59,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59" (1/1) ... [2019-11-16 22:23:59,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59" (1/1) ... [2019-11-16 22:23:59,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59" (1/1) ... [2019-11-16 22:23:59,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59" (1/1) ... [2019-11-16 22:23:59,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:59" (1/1) ... [2019-11-16 22:23:59,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:23:59,363 INFO L168 Benchmark]: Toolchain (without parser) took 862.29 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 22:23:59,369 INFO L168 Benchmark]: CDTParser took 1.72 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 22:23:59,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.59 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 22:23:59,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.57 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: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-16 22:23:59,380 INFO L168 Benchmark]: Boogie Preprocessor took 47.38 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 22:23:59,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72 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 619.59 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 173.57 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: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.38 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...