./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/nec20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 025d5a27 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/nec20.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 9a2cd7cd32168bcfd44c5ed14b95671353415deb .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 18:06:24,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 18:06:24,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 18:06:24,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 18:06:24,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 18:06:24,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 18:06:24,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 18:06:24,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 18:06:24,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 18:06:24,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 18:06:24,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 18:06:24,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 18:06:24,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 18:06:24,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 18:06:24,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 18:06:24,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 18:06:24,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 18:06:24,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 18:06:24,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 18:06:24,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 18:06:24,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 18:06:24,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 18:06:24,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 18:06:24,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 18:06:24,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 18:06:24,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 18:06:24,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 18:06:24,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 18:06:24,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 18:06:24,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 18:06:24,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 18:06:24,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 18:06:24,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 18:06:24,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 18:06:24,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 18:06:24,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 18:06:24,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 18:06:24,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 18:06:24,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 18:06:24,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 18:06:24,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 18:06:24,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-26 18:06:24,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 18:06:24,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 18:06:25,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 18:06:25,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 18:06:25,004 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 18:06:25,004 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-26 18:06:25,004 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-26 18:06:25,005 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-26 18:06:25,005 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-26 18:06:25,005 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-26 18:06:25,008 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-26 18:06:25,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 18:06:25,009 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 18:06:25,009 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 18:06:25,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 18:06:25,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 18:06:25,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 18:06:25,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-26 18:06:25,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-26 18:06:25,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-26 18:06:25,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 18:06:25,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 18:06:25,016 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-26 18:06:25,016 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 18:06:25,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-26 18:06:25,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 18:06:25,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 18:06:25,019 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-26 18:06:25,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 18:06:25,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 18:06:25,021 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-26 18:06:25,025 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-26 18:06:25,025 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 -> 9a2cd7cd32168bcfd44c5ed14b95671353415deb [2019-11-26 18:06:25,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 18:06:25,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 18:06:25,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 18:06:25,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 18:06:25,728 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 18:06:25,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/nec20.c [2019-11-26 18:06:25,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3c0e1c1/2b801df0416245249bc7bc09cb7b7ad9/FLAG6dddf7aba [2019-11-26 18:06:26,938 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 18:06:26,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/nec20.c [2019-11-26 18:06:26,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3c0e1c1/2b801df0416245249bc7bc09cb7b7ad9/FLAG6dddf7aba [2019-11-26 18:06:26,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3c0e1c1/2b801df0416245249bc7bc09cb7b7ad9 [2019-11-26 18:06:27,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 18:06:27,009 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 18:06:27,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 18:06:27,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 18:06:27,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 18:06:27,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 06:06:26" (1/1) ... [2019-11-26 18:06:27,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27, skipping insertion in model container [2019-11-26 18:06:27,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 06:06:26" (1/1) ... [2019-11-26 18:06:27,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 18:06:27,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 18:06:27,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 18:06:27,527 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 18:06:27,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 18:06:27,586 INFO L208 MainTranslator]: Completed translation [2019-11-26 18:06:27,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27 WrapperNode [2019-11-26 18:06:27,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 18:06:27,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 18:06:27,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 18:06:27,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 18:06:27,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27" (1/1) ... [2019-11-26 18:06:27,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27" (1/1) ... [2019-11-26 18:06:27,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 18:06:27,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 18:06:27,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 18:06:27,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 18:06:27,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27" (1/1) ... [2019-11-26 18:06:27,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27" (1/1) ... [2019-11-26 18:06:27,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27" (1/1) ... [2019-11-26 18:06:27,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27" (1/1) ... [2019-11-26 18:06:27,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27" (1/1) ... [2019-11-26 18:06:27,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27" (1/1) ... [2019-11-26 18:06:27,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 06:06:27" (1/1) ... [2019-11-26 18:06:27,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 18:06:27,845 INFO L168 Benchmark]: Toolchain (without parser) took 830.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 18:06:27,847 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 18:06:27,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.97 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 18:06:27,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 996.9 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 18:06:27,865 INFO L168 Benchmark]: Boogie Preprocessor took 76.16 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 18:06:27,877 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 578.97 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 996.9 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 76.16 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...