./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/invert_string-1.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/loops/invert_string-1.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 4335483d0b28de4d854f33f949d3555a767d1bde ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:27:31,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:27:31,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:27:31,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:27:31,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:27:31,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:27:31,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:27:31,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:27:31,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:27:31,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:27:31,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:27:31,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:27:31,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:27:31,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:27:31,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:27:31,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:27:31,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:27:31,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:27:31,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:27:31,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:27:31,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:27:31,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:27:31,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:27:31,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:27:31,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:27:31,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:27:31,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:27:31,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:27:31,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:27:31,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:27:31,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:27:31,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:27:31,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:27:31,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:27:31,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:27:31,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:27:31,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:27:31,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:27:31,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:27:31,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:27:31,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:27:31,646 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 22:27:31,694 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:27:31,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:27:31,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:27:31,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:27:31,698 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:27:31,700 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:27:31,700 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:27:31,700 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:27:31,703 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:27:31,703 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:27:31,704 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:27:31,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:27:31,705 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:27:31,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:27:31,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:27:31,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:27:31,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:27:31,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:27:31,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:27:31,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:27:31,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:27:31,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:27:31,712 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:27:31,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:27:31,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:27:31,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:27:31,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:27:31,715 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:27:31,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:27:31,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:27:31,719 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:27:31,720 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:27:31,722 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 -> 4335483d0b28de4d854f33f949d3555a767d1bde [2019-11-16 22:27:32,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:27:32,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:27:32,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:27:32,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:27:32,351 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:27:32,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-1.c [2019-11-16 22:27:32,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d693fe8c3/c63c4bd76abc42f7b2b83f3298b1e0c8/FLAGa8cc8911e [2019-11-16 22:27:33,624 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:27:33,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-1.c [2019-11-16 22:27:33,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d693fe8c3/c63c4bd76abc42f7b2b83f3298b1e0c8/FLAGa8cc8911e [2019-11-16 22:27:33,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d693fe8c3/c63c4bd76abc42f7b2b83f3298b1e0c8 [2019-11-16 22:27:33,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:27:33,699 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:27:33,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:27:33,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:27:33,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:27:33,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:27:33" (1/1) ... [2019-11-16 22:27:33,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5496243b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:33, skipping insertion in model container [2019-11-16 22:27:33,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:27:33" (1/1) ... [2019-11-16 22:27:33,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:27:33,801 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:27:34,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:27:34,265 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:27:34,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:27:34,488 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:27:34,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34 WrapperNode [2019-11-16 22:27:34,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:27:34,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:27:34,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:27:34,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:27:34,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34" (1/1) ... [2019-11-16 22:27:34,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34" (1/1) ... [2019-11-16 22:27:34,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:27:34,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:27:34,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:27:34,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:27:34,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34" (1/1) ... [2019-11-16 22:27:34,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34" (1/1) ... [2019-11-16 22:27:34,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34" (1/1) ... [2019-11-16 22:27:34,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34" (1/1) ... [2019-11-16 22:27:34,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34" (1/1) ... [2019-11-16 22:27:34,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34" (1/1) ... [2019-11-16 22:27:34,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:27:34" (1/1) ... [2019-11-16 22:27:34,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:27:34,670 INFO L168 Benchmark]: Toolchain (without parser) took 955.60 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:27:34,672 INFO L168 Benchmark]: CDTParser took 0.51 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 22:27:34,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.82 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:27:34,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.73 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 22:27:34,684 INFO L168 Benchmark]: Boogie Preprocessor took 69.65 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:27:34,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 782.82 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 89.73 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. * Boogie Preprocessor took 69.65 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...