./Ultimate.py --spec ../../sv-benchmarks/c/Systems_BusyBox_MemSafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head_false-valid-deref.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 119876a98708c3ca5e20b8bff009c35edaa8735e .......................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:33:20,057 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:33:20,058 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:33:20,068 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:33:20,068 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:33:20,069 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:33:20,070 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:33:20,071 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:33:20,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:33:20,074 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:33:20,074 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:33:20,074 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:33:20,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:33:20,076 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:33:20,077 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:33:20,078 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:33:20,078 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:33:20,080 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:33:20,081 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:33:20,082 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:33:20,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:33:20,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:33:20,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:33:20,086 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:33:20,086 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:33:20,087 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:33:20,088 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:33:20,088 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:33:20,090 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:33:20,090 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:33:20,090 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:33:20,091 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:33:20,091 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:33:20,091 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:33:20,092 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:33:20,092 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:33:20,093 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2018-10-27 04:33:20,105 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:33:20,105 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:33:20,106 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:33:20,106 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:33:20,106 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:33:20,106 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:33:20,106 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:33:20,107 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:33:20,107 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:33:20,107 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:33:20,107 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:33:20,107 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:33:20,107 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 04:33:20,107 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 04:33:20,108 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:33:20,108 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:33:20,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 04:33:20,108 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:33:20,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:33:20,108 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 04:33:20,108 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:33:20,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak 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 -> Kojak 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 -> 119876a98708c3ca5e20b8bff009c35edaa8735e [2018-10-27 04:33:20,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:33:20,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:33:20,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:33:20,155 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:33:20,156 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:33:20,157 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/../../sv-benchmarks/c/busybox-1.22.0/head_false-valid-deref.i [2018-10-27 04:33:20,207 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/data/91e04e5b9/21b7cff3e61742efaf4d8672aa73ec22/FLAGe4eb17c28 [2018-10-27 04:33:20,782 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:33:20,784 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/sv-benchmarks/c/busybox-1.22.0/head_false-valid-deref.i [2018-10-27 04:33:20,806 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/data/91e04e5b9/21b7cff3e61742efaf4d8672aa73ec22/FLAGe4eb17c28 [2018-10-27 04:33:20,823 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea852a00-e679-4a54-8e32-25c50853145c/bin-2019/ukojak/data/91e04e5b9/21b7cff3e61742efaf4d8672aa73ec22 [2018-10-27 04:33:20,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:33:20,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:33:20,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:33:20,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:33:20,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:33:20,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:33:20" (1/1) ... [2018-10-27 04:33:20,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c08eaa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:20, skipping insertion in model container [2018-10-27 04:33:20,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:33:20" (1/1) ... [2018-10-27 04:33:20,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:33:20,914 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:33:21,546 WARN L309 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-10-27 04:33:21,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@121b67a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:21, skipping insertion in model container [2018-10-27 04:33:21,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:33:21,548 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-10-27 04:33:21,549 INFO L168 Benchmark]: Toolchain (without parser) took 723.21 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 923.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:33:21,551 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:33:21,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.82 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 923.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:33:21,554 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 720.82 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 923.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 988]: Unsupported Syntax bitfield implementation not yet bitprecise (soundness first) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...