./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-libowfat/strcspn.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47b0bc17 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-libowfat/strcspn.i -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 eaca3e09b762fe94634aa0b3e6a04213782212a5 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:51:37,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:51:37,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:51:37,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:51:37,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:51:37,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:51:37,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:51:37,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:51:37,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:51:37,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:51:37,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:51:37,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:51:37,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:51:37,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:51:37,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:51:37,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:51:37,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:51:37,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:51:37,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:51:37,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:51:37,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:51:37,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:51:37,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:51:37,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:51:37,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:51:37,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:51:37,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:51:37,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:51:37,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:51:37,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:51:37,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:51:37,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:51:37,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:51:37,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:51:37,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:51:37,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:51:37,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:51:37,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:51:37,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:51:37,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:51:37,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:51:37,425 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 23:51:37,469 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:51:37,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:51:37,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:51:37,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:51:37,477 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:51:37,477 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 23:51:37,477 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 23:51:37,478 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 23:51:37,480 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 23:51:37,480 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 23:51:37,481 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 23:51:37,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:51:37,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:51:37,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:51:37,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:51:37,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 23:51:37,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 23:51:37,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 23:51:37,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:51:37,486 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 23:51:37,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:51:37,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 23:51:37,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:51:37,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:51:37,491 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 23:51:37,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:51:37,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:51:37,492 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 23:51:37,494 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 23:51:37,496 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 -> eaca3e09b762fe94634aa0b3e6a04213782212a5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:51:38,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:51:38,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:51:38,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:51:38,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:51:38,156 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:51:38,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-libowfat/strcspn.i [2019-11-20 23:51:38,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae9f10a6/cbe48bcbcd1a4aa884f5396ebf43cb9a/FLAGc025785ad [2019-11-20 23:51:39,483 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:51:39,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-libowfat/strcspn.i [2019-11-20 23:51:39,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae9f10a6/cbe48bcbcd1a4aa884f5396ebf43cb9a/FLAGc025785ad [2019-11-20 23:51:39,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae9f10a6/cbe48bcbcd1a4aa884f5396ebf43cb9a [2019-11-20 23:51:39,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:51:39,578 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:51:39,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:51:39,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:51:39,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:51:39,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:51:39" (1/1) ... [2019-11-20 23:51:39,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b012e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:39, skipping insertion in model container [2019-11-20 23:51:39,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:51:39" (1/1) ... [2019-11-20 23:51:39,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:51:39,729 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:51:40,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:51:40,565 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:51:40,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:51:40,723 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:51:40,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40 WrapperNode [2019-11-20 23:51:40,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:51:40,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 23:51:40,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 23:51:40,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 23:51:40,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40" (1/1) ... [2019-11-20 23:51:40,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40" (1/1) ... [2019-11-20 23:51:40,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 23:51:40,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:51:40,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:51:40,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:51:40,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40" (1/1) ... [2019-11-20 23:51:40,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40" (1/1) ... [2019-11-20 23:51:40,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40" (1/1) ... [2019-11-20 23:51:40,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40" (1/1) ... [2019-11-20 23:51:40,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40" (1/1) ... [2019-11-20 23:51:40,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40" (1/1) ... [2019-11-20 23:51:40,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:40" (1/1) ... [2019-11-20 23:51:40,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:51:40,920 INFO L168 Benchmark]: Toolchain (without parser) took 1332.13 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 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:51:40,922 INFO L168 Benchmark]: CDTParser took 2.43 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. [2019-11-20 23:51:40,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1140.67 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-20 23:51:40,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.43 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:51:40,929 INFO L168 Benchmark]: Boogie Preprocessor took 75.94 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:51:40,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.43 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 1140.67 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 105.43 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.94 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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...