./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 da95e156 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 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 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:55,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:55,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:55,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:55,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:55,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:55,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:55,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:55,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:55,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:55,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:55,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:55,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:55,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:55,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:55,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:55,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:55,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:55,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:55,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:55,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:55,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:55,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:55,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:55,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:55,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:55,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:55,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:55,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:55,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:55,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:55,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:55,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:55,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:55,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:55,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:55,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:55,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:55,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:55,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:55,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:55,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:55,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:55,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:55,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:55,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:55,921 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:55,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:55,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:55,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:55,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:55,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:55,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:55,927 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:55,928 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:55,928 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:55,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:55,929 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:55,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:55,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:55,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:55,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:55,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:55,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:55,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:55,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:55,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:55,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:55,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:55,937 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 [2019-11-27 11:23:56,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:56,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:56,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:56,493 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:56,494 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:56,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 11:23:56,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be300e77a/2e869791275e49efb07a184d495158a8/FLAGbb6fbf9fa [2019-11-27 11:23:57,832 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:57,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 11:23:57,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be300e77a/2e869791275e49efb07a184d495158a8/FLAGbb6fbf9fa [2019-11-27 11:23:58,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be300e77a/2e869791275e49efb07a184d495158a8 [2019-11-27 11:23:58,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:58,300 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:58,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:58,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:58,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:58,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:58" (1/1) ... [2019-11-27 11:23:58,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d85277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:58, skipping insertion in model container [2019-11-27 11:23:58,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:58" (1/1) ... [2019-11-27 11:23:58,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:58,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:59,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:59,407 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:59,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:59,707 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:59,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:59 WrapperNode [2019-11-27 11:23:59,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:59,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:59,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:59,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:59,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:59" (1/1) ... [2019-11-27 11:23:59,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:59" (1/1) ... [2019-11-27 11:23:59,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:59" (1/1) ... [2019-11-27 11:23:59,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:59" (1/1) ... [2019-11-27 11:23:59,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:59" (1/1) ... [2019-11-27 11:23:59,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:59" (1/1) ... [2019-11-27 11:23:59,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:59" (1/1) ... [2019-11-27 11:23:59,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:59,924 INFO L168 Benchmark]: Toolchain (without parser) took 1617.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 968.1 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:59,926 INFO L168 Benchmark]: CDTParser took 2.22 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. [2019-11-27 11:23:59,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1395.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 973.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:59,947 INFO L168 Benchmark]: Boogie Preprocessor took 203.96 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:59,957 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.22 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 1395.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 973.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 203.96 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:24:03,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:03,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:03,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:03,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:03,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:03,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:03,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:03,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:03,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:03,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:03,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:03,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:03,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:03,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:03,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:03,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:03,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:03,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:03,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:03,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:03,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:03,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:03,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:03,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:03,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:03,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:03,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:03,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:03,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:03,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:03,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:03,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:03,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:03,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:03,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:03,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:03,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:03,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:03,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:03,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:03,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:24:03,749 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:03,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:03,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:03,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:03,756 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:03,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:03,759 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:24:03,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:03,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:03,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:24:03,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:03,762 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:03,762 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:03,764 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:03,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:03,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:03,765 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:03,765 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:03,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:24:03,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:03,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:03,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:03,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:03,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:03,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:03,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:03,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:03,772 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:03,772 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:03,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:03,775 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 [2019-11-27 11:24:04,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:04,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:04,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:04,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:04,346 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:04,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 11:24:04,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f98320d08/a40f3c82f1594f89beb4f90df6a3cd9a/FLAG82f8d08bb [2019-11-27 11:24:05,662 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:05,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2019-11-27 11:24:05,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f98320d08/a40f3c82f1594f89beb4f90df6a3cd9a/FLAG82f8d08bb [2019-11-27 11:24:06,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f98320d08/a40f3c82f1594f89beb4f90df6a3cd9a [2019-11-27 11:24:06,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:06,155 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:06,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:06,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:06,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:06,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13413829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06, skipping insertion in model container [2019-11-27 11:24:06,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:06,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:07,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:07,257 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:07,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:07,624 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:07,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:07 WrapperNode [2019-11-27 11:24:07,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:07,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:07,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:07,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:07,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:07" (1/1) ... [2019-11-27 11:24:07,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:07" (1/1) ... [2019-11-27 11:24:07,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:07" (1/1) ... [2019-11-27 11:24:07,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:07" (1/1) ... [2019-11-27 11:24:07,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:07" (1/1) ... [2019-11-27 11:24:07,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:07" (1/1) ... [2019-11-27 11:24:07,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:07" (1/1) ... [2019-11-27 11:24:07,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:07,870 INFO L168 Benchmark]: Toolchain (without parser) took 1709.98 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 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:24:07,871 INFO L168 Benchmark]: CDTParser took 3.01 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. [2019-11-27 11:24:07,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1471.03 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:07,879 INFO L168 Benchmark]: Boogie Preprocessor took 233.40 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:07,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.01 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 1471.03 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 233.40 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...