./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/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 32bit --witnessprinter.graph.data.programhash 2995aa83f0315dcda376bb0d80edf8fb8acf3951 ................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:39:35,615 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:39:35,616 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:39:35,624 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:39:35,624 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:39:35,625 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:39:35,626 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:39:35,627 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:39:35,628 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:39:35,628 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:39:35,629 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:39:35,629 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:39:35,630 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:39:35,630 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:39:35,631 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:39:35,631 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:39:35,632 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:39:35,633 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:39:35,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:39:35,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:39:35,636 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:39:35,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:39:35,638 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:39:35,638 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:39:35,639 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:39:35,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:39:35,640 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:39:35,640 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:39:35,641 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:39:35,641 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:39:35,642 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:39:35,642 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:39:35,642 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:39:35,642 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:39:35,643 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:39:35,643 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:39:35,644 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-18 12:39:35,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:39:35,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:39:35,654 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:39:35,654 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:39:35,654 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:39:35,655 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:39:35,655 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:39:35,655 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:39:35,655 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:39:35,655 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:39:35,655 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:39:35,655 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:39:35,656 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:39:35,656 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:39:35,656 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:39:35,656 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:39:35,656 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:39:35,657 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:39:35,657 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:39:35,657 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:39:35,657 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:39:35,657 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 12:39:35,657 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 12:39:35,657 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 12:39:35,658 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:39:35,658 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:39:35,658 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:39:35,658 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:39:35,658 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:39:35,658 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:39:35,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:39:35,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:39:35,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:39:35,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:39:35,659 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:39:35,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:39:35,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:39:35,659 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_d7d28de0-8596-4c37-8f04-32f1af061824/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2995aa83f0315dcda376bb0d80edf8fb8acf3951 [2018-11-18 12:39:35,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:39:35,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:39:35,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:39:35,693 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:39:35,693 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:39:35,694 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-18 12:39:35,733 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/data/805d7806b/af8716d1d2d241669bafde1e5b2587d9/FLAGb5d6ccd47 [2018-11-18 12:39:36,158 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:39:36,158 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-18 12:39:36,166 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/data/805d7806b/af8716d1d2d241669bafde1e5b2587d9/FLAGb5d6ccd47 [2018-11-18 12:39:36,174 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7d28de0-8596-4c37-8f04-32f1af061824/bin-2019/utaipan/data/805d7806b/af8716d1d2d241669bafde1e5b2587d9 [2018-11-18 12:39:36,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:39:36,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:39:36,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:39:36,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:39:36,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:39:36,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:39:36" (1/1) ... [2018-11-18 12:39:36,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486b3616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:36, skipping insertion in model container [2018-11-18 12:39:36,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:39:36" (1/1) ... [2018-11-18 12:39:36,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:39:36,217 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:39:36,322 ERROR L311 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-11-18 12:39:36,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@700d7575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:36, skipping insertion in model container [2018-11-18 12:39:36,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:39:36,323 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-18 12:39:36,323 INFO L168 Benchmark]: Toolchain (without parser) took 147.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 945.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:39:36,325 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:39:36,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.54 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 945.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:39:36,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.54 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 945.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 69]: Unsupported Syntax bitfield implementation not yet bitprecise (soundness first) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...