./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b3942868ac166265fb156842952ae5d6631ef94b ............................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:24:47,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:47,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:47,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:47,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:47,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:47,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:47,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:47,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:47,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:47,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:47,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:47,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:47,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:47,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:47,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:47,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:47,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:47,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:47,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:47,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:47,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:47,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:47,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:47,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:47,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:47,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:47,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:47,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:47,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:47,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:47,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:47,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:47,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:47,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:47,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:47,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:47,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:47,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:47,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:47,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:47,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2019-10-22 11:24:47,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:47,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:47,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:47,560 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:47,560 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:47,560 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:47,560 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:47,561 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:47,561 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:47,561 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:47,561 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:47,562 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:47,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:24:47,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:24:47,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:47,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:24:47,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:47,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:47,563 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:24:47,564 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:24:47,564 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:24:47,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:47,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:47,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:47,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:47,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:47,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:47,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:47,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:47,565 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:47,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:47,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:47,567 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3942868ac166265fb156842952ae5d6631ef94b [2019-10-22 11:24:47,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:47,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:47,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:47,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:47,631 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:47,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2019-10-22 11:24:47,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/data/e006cea7e/a49b4484c2e645d0bc3916855a9ae3cc/FLAGe4e77f88f [2019-10-22 11:24:48,263 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:48,266 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2019-10-22 11:24:48,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/data/e006cea7e/a49b4484c2e645d0bc3916855a9ae3cc/FLAGe4e77f88f [2019-10-22 11:24:48,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57a9ba08-1b74-486b-98a0-69ad9a6d73c0/bin/utaipan/data/e006cea7e/a49b4484c2e645d0bc3916855a9ae3cc [2019-10-22 11:24:48,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:48,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:48,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:48,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:48,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:48,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6186f677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:48, skipping insertion in model container [2019-10-22 11:24:48,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:48" (1/1) ... [2019-10-22 11:24:48,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:48,735 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:49,694 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-10-22 11:24:49,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ba14545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:49, skipping insertion in model container [2019-10-22 11:24:49,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:49,695 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-10-22 11:24:49,697 INFO L168 Benchmark]: Toolchain (without parser) took 1036.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -226.1 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:49,698 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:49,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1033.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -226.1 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:49,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1033.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -226.1 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1899]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...