./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o2-2.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/recursive-simple/id_b3_o2-2.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 3bf945356a28265a842df89cdbf40bfa9a223140 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:31:25,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:31:25,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:31:25,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:31:25,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:31:25,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:31:25,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:31:25,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:31:25,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:31:25,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:31:25,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:31:25,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:31:25,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:31:25,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:31:25,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:31:25,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:31:25,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:31:25,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:31:25,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:31:25,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:31:25,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:31:25,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:31:25,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:31:25,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:31:25,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:31:25,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:31:25,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:31:25,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:31:25,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:31:25,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:31:25,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:31:25,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:31:25,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:31:25,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:31:25,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:31:25,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:31:25,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:31:25,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:31:25,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:31:25,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:31:25,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:31:25,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 22:31:26,021 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:31:26,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:31:26,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:31:26,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:31:26,032 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:31:26,032 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:31:26,033 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:31:26,036 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:31:26,036 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:31:26,036 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:31:26,038 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:31:26,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:31:26,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:31:26,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:31:26,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:31:26,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:31:26,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:31:26,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:31:26,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:31:26,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:31:26,044 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:31:26,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:31:26,044 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:31:26,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:31:26,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:31:26,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:31:26,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:31:26,046 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:31:26,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:31:26,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:31:26,051 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:31:26,052 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:31:26,055 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 -> 3bf945356a28265a842df89cdbf40bfa9a223140 [2019-11-16 22:31:26,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:31:26,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:31:26,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:31:26,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:31:26,642 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:31:26,643 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-16 22:31:26,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f20c7f4/b6c9a3d877bd4c95b5c8f1be08280ae1/FLAGc392f43a8 [2019-11-16 22:31:27,815 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:31:27,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2019-11-16 22:31:27,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f20c7f4/b6c9a3d877bd4c95b5c8f1be08280ae1/FLAGc392f43a8 [2019-11-16 22:31:27,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f20c7f4/b6c9a3d877bd4c95b5c8f1be08280ae1 [2019-11-16 22:31:27,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:31:27,885 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:31:27,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:31:27,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:31:27,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:31:27,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:31:27" (1/1) ... [2019-11-16 22:31:27,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a73b198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:27, skipping insertion in model container [2019-11-16 22:31:27,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:31:27" (1/1) ... [2019-11-16 22:31:27,934 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:31:27,975 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:31:28,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:31:28,432 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:31:28,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:31:28,514 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:31:28,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28 WrapperNode [2019-11-16 22:31:28,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:31:28,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:31:28,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:31:28,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:31:28,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28" (1/1) ... [2019-11-16 22:31:28,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28" (1/1) ... [2019-11-16 22:31:28,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:31:28,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:31:28,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:31:28,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:31:28,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28" (1/1) ... [2019-11-16 22:31:28,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28" (1/1) ... [2019-11-16 22:31:28,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28" (1/1) ... [2019-11-16 22:31:28,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28" (1/1) ... [2019-11-16 22:31:28,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28" (1/1) ... [2019-11-16 22:31:28,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28" (1/1) ... [2019-11-16 22:31:28,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:31:28" (1/1) ... [2019-11-16 22:31:28,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:31:28,808 INFO L168 Benchmark]: Toolchain (without parser) took 917.30 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 22:31:28,811 INFO L168 Benchmark]: CDTParser took 0.31 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 22:31:28,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.98 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 22:31:28,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.01 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 22:31:28,819 INFO L168 Benchmark]: Boogie Preprocessor took 41.29 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 22:31:28,830 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 626.98 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 240.01 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 41.29 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...