./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i --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/array-memsafety/openbsd_cstrlen-alloca-1.i -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 b812e7d14425eea3a24125f5e2db40eadfc6c14c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:32:52,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:32:52,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:32:52,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:32:52,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:32:52,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:32:52,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:32:52,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:32:52,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:32:52,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:32:52,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:32:52,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:32:52,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:32:52,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:32:52,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:32:52,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:32:52,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:32:52,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:32:52,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:32:52,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:32:52,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:32:52,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:32:52,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:32:52,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:32:52,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:32:52,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:32:52,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:32:52,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:32:52,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:32:52,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:32:52,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:32:52,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:32:52,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:32:52,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:32:52,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:32:52,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:32:52,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:32:52,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:32:52,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:32:52,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:32:52,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:32:52,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 22:32:52,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:32:52,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:32:52,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:32:52,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:32:52,284 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:32:52,284 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:32:52,285 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:32:52,285 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:32:52,285 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:32:52,285 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:32:52,287 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:32:52,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:32:52,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:32:52,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:32:52,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:32:52,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:32:52,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:32:52,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:32:52,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:32:52,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:32:52,293 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:32:52,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:32:52,294 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:32:52,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:32:52,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:32:52,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:32:52,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:32:52,297 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:32:52,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:32:52,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:32:52,302 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:32:52,303 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:32:52,304 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 -> b812e7d14425eea3a24125f5e2db40eadfc6c14c [2019-11-16 22:32:52,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:32:52,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:32:52,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:32:52,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:32:52,919 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:32:52,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2019-11-16 22:32:53,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3adeab4d/e0ad5ae20e3b4e0baedf3505b1954ce3/FLAG106d18e7d [2019-11-16 22:32:54,287 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:32:54,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2019-11-16 22:32:54,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3adeab4d/e0ad5ae20e3b4e0baedf3505b1954ce3/FLAG106d18e7d [2019-11-16 22:32:54,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3adeab4d/e0ad5ae20e3b4e0baedf3505b1954ce3 [2019-11-16 22:32:54,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:32:54,818 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:32:54,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:32:54,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:32:54,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:32:54,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:32:54" (1/1) ... [2019-11-16 22:32:54,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477b19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:54, skipping insertion in model container [2019-11-16 22:32:54,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:32:54" (1/1) ... [2019-11-16 22:32:54,861 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:32:54,972 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:32:55,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:32:55,932 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:32:56,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:32:56,165 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:32:56,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56 WrapperNode [2019-11-16 22:32:56,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:32:56,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:32:56,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:32:56,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:32:56,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56" (1/1) ... [2019-11-16 22:32:56,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56" (1/1) ... [2019-11-16 22:32:56,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:32:56,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:32:56,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:32:56,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:32:56,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56" (1/1) ... [2019-11-16 22:32:56,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56" (1/1) ... [2019-11-16 22:32:56,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56" (1/1) ... [2019-11-16 22:32:56,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56" (1/1) ... [2019-11-16 22:32:56,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56" (1/1) ... [2019-11-16 22:32:56,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56" (1/1) ... [2019-11-16 22:32:56,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:32:56" (1/1) ... [2019-11-16 22:32:56,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:32:56,370 INFO L168 Benchmark]: Toolchain (without parser) took 1533.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.6 MB in the end (delta: -13.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:32:56,371 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-16 22:32:56,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1349.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-16 22:32:56,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:32:56,380 INFO L168 Benchmark]: Boogie Preprocessor took 75.34 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:32:56,387 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 1349.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.34 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 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...