./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/easy2-2.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-crafted/easy2-2.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 75d609d205f56e3164255114b6f6d5769a029995 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:23:27,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:23:27,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:23:27,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:23:27,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:23:27,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:23:27,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:23:27,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:23:27,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:23:27,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:23:27,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:23:27,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:23:27,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:23:27,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:23:27,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:23:27,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:23:27,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:23:27,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:23:27,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:23:27,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:23:27,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:23:27,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:23:27,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:23:27,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:23:27,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:23:27,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:23:27,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:23:27,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:23:27,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:23:27,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:23:27,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:23:27,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:23:27,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:23:27,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:23:27,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:23:27,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:23:27,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:23:27,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:23:27,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:23:27,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:23:27,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:23:27,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 22:23:27,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:23:27,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:23:27,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:23:27,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:23:27,486 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:23:27,486 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:23:27,486 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:23:27,487 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:23:27,487 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:23:27,487 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:23:27,489 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:23:27,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:23:27,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:23:27,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:23:27,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:23:27,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:23:27,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:23:27,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:23:27,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:23:27,495 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:23:27,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:23:27,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:23:27,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:23:27,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:23:27,498 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:23:27,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:23:27,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:23:27,500 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:23:27,502 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:23:27,505 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 -> 75d609d205f56e3164255114b6f6d5769a029995 [2019-11-16 22:23:28,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:23:28,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:23:28,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:23:28,109 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:23:28,111 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:23:28,115 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-16 22:23:28,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccaac1991/d3bec4a014334517b2c55c30a8089ecf/FLAG8730babf0 [2019-11-16 22:23:29,329 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:23:29,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-16 22:23:29,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccaac1991/d3bec4a014334517b2c55c30a8089ecf/FLAG8730babf0 [2019-11-16 22:23:29,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccaac1991/d3bec4a014334517b2c55c30a8089ecf [2019-11-16 22:23:29,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:23:29,397 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:23:29,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:29,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:23:29,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:23:29,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:29,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@104c8221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29, skipping insertion in model container [2019-11-16 22:23:29,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:29,442 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:23:29,466 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:23:29,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:23:29,849 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:23:29,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:23:29,894 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:23:29,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29 WrapperNode [2019-11-16 22:23:29,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:23:29,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:23:29,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:23:29,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:23:29,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:29,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:30,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:23:30,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:23:30,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:23:30,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:23:30,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:30,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:30,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:30,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:30,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:30,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:30,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:23:29" (1/1) ... [2019-11-16 22:23:30,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:23:30,097 INFO L168 Benchmark]: Toolchain (without parser) took 682.18 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. [2019-11-16 22:23:30,099 INFO L168 Benchmark]: CDTParser took 0.70 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 22:23:30,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.23 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 22:23:30,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-16 22:23:30,109 INFO L168 Benchmark]: Boogie Preprocessor took 30.51 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. [2019-11-16 22:23:30,121 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 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 493.23 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 148.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 30.51 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...