./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 129dca108ba5ab1702fbcd782a34bbf933adb446 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:20:28,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:20:28,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:20:28,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:20:28,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:20:28,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:20:28,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:20:28,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:20:28,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:20:28,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:20:28,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:20:28,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:20:28,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:20:28,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:20:28,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:20:28,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:20:28,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:20:28,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:20:28,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:20:28,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:20:28,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:20:28,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:20:28,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:20:28,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:20:28,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:20:28,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:20:28,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:20:28,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:20:28,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:20:28,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:20:28,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:20:28,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:20:28,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:20:29,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:20:29,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:20:29,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:20:29,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:20:29,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:20:29,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:20:29,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:20:29,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:20:29,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 22:20:29,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:20:29,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:20:29,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:20:29,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:20:29,042 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:20:29,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:20:29,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 22:20:29,044 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:20:29,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:20:29,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 22:20:29,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:20:29,046 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 22:20:29,046 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 22:20:29,047 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 22:20:29,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:20:29,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 22:20:29,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:20:29,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:20:29,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:20:29,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:20:29,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:20:29,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:20:29,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:20:29,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:20:29,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:20:29,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:20:29,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 129dca108ba5ab1702fbcd782a34bbf933adb446 [2019-11-16 22:20:29,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:20:29,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:20:29,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:20:29,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:20:29,523 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:20:29,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-16 22:20:29,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94547ce75/0b07faaedd154bc38e6d2b7917b35147/FLAG5ba798b7e [2019-11-16 22:20:30,515 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:20:30,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-16 22:20:30,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94547ce75/0b07faaedd154bc38e6d2b7917b35147/FLAG5ba798b7e [2019-11-16 22:20:30,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94547ce75/0b07faaedd154bc38e6d2b7917b35147 [2019-11-16 22:20:30,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:20:30,669 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-16 22:20:30,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:30,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:20:30,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:20:30,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:30" (1/1) ... [2019-11-16 22:20:30,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f86041c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:30, skipping insertion in model container [2019-11-16 22:20:30,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:20:30" (1/1) ... [2019-11-16 22:20:30,701 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:20:30,776 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:20:31,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:31,460 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:20:31,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:20:31,692 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:20:31,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:31 WrapperNode [2019-11-16 22:20:31,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:20:31,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:20:31,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:20:31,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:20:31,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:31" (1/1) ... [2019-11-16 22:20:31,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:31" (1/1) ... [2019-11-16 22:20:31,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:31" (1/1) ... [2019-11-16 22:20:31,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:31" (1/1) ... [2019-11-16 22:20:31,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:31" (1/1) ... [2019-11-16 22:20:31,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:31" (1/1) ... [2019-11-16 22:20:31,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:20:31" (1/1) ... [2019-11-16 22:20:31,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:20:31,847 INFO L168 Benchmark]: Toolchain (without parser) took 1170.74 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 966.7 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:20:31,860 INFO L168 Benchmark]: CDTParser took 0.39 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 22:20:31,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1021.93 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 972.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:31,869 INFO L168 Benchmark]: Boogie Preprocessor took 141.62 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:20:31,872 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1021.93 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 972.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 141.62 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 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...