./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47b0bc17 Using bit-precise analysis Retrying with bit-precise analysis 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_Bitvector.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 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:47:33,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:47:33,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:47:33,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:47:33,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:47:33,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:47:33,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:47:33,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:47:33,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:47:33,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:47:33,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:47:33,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:47:33,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:47:33,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:47:33,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:47:33,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:47:33,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:47:33,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:47:33,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:47:33,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:47:33,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:47:33,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:47:33,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:47:33,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:47:33,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:47:33,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:47:33,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:47:33,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:47:33,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:47:33,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:47:33,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:47:33,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:47:33,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:47:33,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:47:33,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:47:33,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:47:33,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:47:33,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:47:33,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:47:33,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:47:33,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:47:33,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 23:47:33,820 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:47:33,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:47:33,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:47:33,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:47:33,830 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:47:33,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:47:33,831 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 23:47:33,833 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:47:33,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:47:33,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 23:47:33,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:47:33,836 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:47:33,836 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:47:33,837 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:47:33,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:47:33,840 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:47:33,840 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:33,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 23:47:33,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:47:33,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:47:33,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:47:33,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:47:33,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:47:33,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:47:33,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:47:33,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:47:33,847 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:47:33,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:47:33,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:47:33,848 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:47:34,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:47:34,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:47:34,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:47:34,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:47:34,515 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:47:34,518 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-20 23:47:34,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e539ab7b/5686a090f901472dbfe9e2e3acb97896/FLAG0c9cdad6c [2019-11-20 23:47:35,969 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:47:35,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-20 23:47:36,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e539ab7b/5686a090f901472dbfe9e2e3acb97896/FLAG0c9cdad6c [2019-11-20 23:47:36,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e539ab7b/5686a090f901472dbfe9e2e3acb97896 [2019-11-20 23:47:36,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:47:36,066 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:47:36,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:36,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:47:36,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:47:36,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:36" (1/1) ... [2019-11-20 23:47:36,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8e35b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:36, skipping insertion in model container [2019-11-20 23:47:36,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:36" (1/1) ... [2019-11-20 23:47:36,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:47:36,231 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:47:37,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:37,332 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:47:37,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:37,660 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:47:37,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37 WrapperNode [2019-11-20 23:47:37,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:37,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:47:37,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:47:37,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:47:37,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:37,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:37,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:37,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:37,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:37,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:37,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:37,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:47:37,892 INFO L168 Benchmark]: Toolchain (without parser) took 1824.81 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 966.6 MB in the end (delta: -4.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:47:37,893 INFO L168 Benchmark]: CDTParser took 0.50 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. [2019-11-20 23:47:37,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1591.88 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. [2019-11-20 23:47:37,898 INFO L168 Benchmark]: Boogie Preprocessor took 222.42 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:37,918 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 1591.88 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 222.42 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.6 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...