./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink_true-no-overflow_true-valid-memsafety.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink_true-no-overflow_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/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 60e87bbb338de49f951bcda640064e8dc1c76515 ......................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:17:35,749 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:17:35,750 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:17:35,756 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:17:35,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:17:35,756 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:17:35,757 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:17:35,758 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:17:35,759 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:17:35,759 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:17:35,760 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:17:35,760 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:17:35,761 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:17:35,761 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:17:35,762 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:17:35,762 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:17:35,763 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:17:35,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:17:35,765 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:17:35,766 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:17:35,766 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:17:35,767 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:17:35,768 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:17:35,768 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:17:35,768 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:17:35,769 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:17:35,770 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:17:35,770 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:17:35,770 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:17:35,771 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:17:35,771 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:17:35,772 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:17:35,772 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:17:35,772 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:17:35,772 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:17:35,773 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:17:35,773 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2018-12-09 03:17:35,781 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:17:35,781 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:17:35,781 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:17:35,781 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 03:17:35,781 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 03:17:35,782 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 03:17:35,782 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 03:17:35,782 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 03:17:35,782 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 03:17:35,782 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 03:17:35,782 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 03:17:35,782 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 03:17:35,782 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 03:17:35,783 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 03:17:35,783 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 03:17:35,783 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:17:35,783 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 03:17:35,783 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:17:35,783 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:17:35,783 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 03:17:35,783 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 03:17:35,784 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 03:17:35,784 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:17:35,784 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:17:35,784 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 03:17:35,784 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:17:35,784 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 03:17:35,784 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 03:17:35,784 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:17:35,784 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:17:35,785 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 03:17:35,785 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:17:35,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 03:17:35,785 INFO L133 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_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2018-12-09 03:17:35,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:17:35,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:17:35,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:17:35,815 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:17:35,815 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:17:35,815 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/../../sv-benchmarks/c/busybox-1.22.0/readlink_true-no-overflow_true-valid-memsafety.i [2018-12-09 03:17:35,858 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/data/3334d8f97/51ceb2e50da7407b8a000e5afdf5ee3b/FLAG57b7c98e2 [2018-12-09 03:17:36,397 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:17:36,397 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/sv-benchmarks/c/busybox-1.22.0/readlink_true-no-overflow_true-valid-memsafety.i [2018-12-09 03:17:36,411 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/data/3334d8f97/51ceb2e50da7407b8a000e5afdf5ee3b/FLAG57b7c98e2 [2018-12-09 03:17:36,834 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1125e41d-f3a7-4c65-834b-498202dfda96/bin-2019/utaipan/data/3334d8f97/51ceb2e50da7407b8a000e5afdf5ee3b [2018-12-09 03:17:36,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:17:36,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:17:36,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:17:36,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:17:36,840 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:17:36,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:17:36" (1/1) ... [2018-12-09 03:17:36,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4215bc03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:17:36, skipping insertion in model container [2018-12-09 03:17:36,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:17:36" (1/1) ... [2018-12-09 03:17:36,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:17:36,880 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:17:37,495 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2018-12-09 03:17:37,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e7343f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:17:37, skipping insertion in model container [2018-12-09 03:17:37,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:17:37,496 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-12-09 03:17:37,496 INFO L168 Benchmark]: Toolchain (without parser) took 659.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-12-09 03:17:37,497 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:17:37,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-12-09 03:17:37,499 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 658.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...