./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified_true-unreach-call_true-valid-memsafety.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_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer --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 4c4f8f5675d2d02e3f9e138af3edab088e4101c0 .......................................................................................................................... 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 10:08:45,946 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:08:45,947 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:08:45,956 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:08:45,956 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:08:45,957 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:08:45,958 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:08:45,959 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:08:45,960 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:08:45,961 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:08:45,962 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:08:45,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:08:45,963 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:08:45,963 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:08:45,964 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:08:45,965 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:08:45,966 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:08:45,967 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:08:45,969 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:08:45,970 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:08:45,971 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:08:45,972 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:08:45,973 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:08:45,974 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:08:45,974 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:08:45,974 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:08:45,975 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:08:45,976 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:08:45,976 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:08:45,977 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:08:45,977 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:08:45,978 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:08:45,978 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:08:45,978 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:08:45,979 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:08:45,980 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:08:45,980 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-18 10:08:45,991 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:08:45,991 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:08:45,992 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:08:45,992 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:08:45,992 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:08:45,992 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:08:45,993 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:08:45,993 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:08:45,993 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:08:45,993 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:08:45,993 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:08:45,993 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 10:08:45,993 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 10:08:45,993 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 10:08:45,993 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:08:45,994 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:08:45,994 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:08:45,994 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:08:45,994 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:08:45,994 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:08:45,994 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:08:45,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:08:45,995 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:08:45,995 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:08:45,995 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:08:45,995 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:08:45,995 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_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer 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 -> 4c4f8f5675d2d02e3f9e138af3edab088e4101c0 [2018-11-18 10:08:46,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:08:46,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:08:46,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:08:46,031 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:08:46,031 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:08:46,031 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/../../sv-benchmarks/c/list-ext3-properties/dll_nullified_true-unreach-call_true-valid-memsafety.i [2018-11-18 10:08:46,072 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/data/fa34a025d/d805b3c0e9c643bb8257a530107433d9/FLAGee2666f39 [2018-11-18 10:08:46,465 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:08:46,466 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/sv-benchmarks/c/list-ext3-properties/dll_nullified_true-unreach-call_true-valid-memsafety.i [2018-11-18 10:08:46,478 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/data/fa34a025d/d805b3c0e9c643bb8257a530107433d9/FLAGee2666f39 [2018-11-18 10:08:46,847 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b851ed0-fdaa-4196-ba96-9d3044d4e4a3/bin-2019/uautomizer/data/fa34a025d/d805b3c0e9c643bb8257a530107433d9 [2018-11-18 10:08:46,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:08:46,850 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:08:46,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:08:46,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:08:46,854 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:08:46,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:08:46" (1/1) ... [2018-11-18 10:08:46,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cab1b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:46, skipping insertion in model container [2018-11-18 10:08:46,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:08:46" (1/1) ... [2018-11-18 10:08:46,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:08:46,902 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:08:47,030 ERROR L311 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-11-18 10:08:47,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@279ecfb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:47, skipping insertion in model container [2018-11-18 10:08:47,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:08:47,031 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-11-18 10:08:47,032 INFO L168 Benchmark]: Toolchain (without parser) took 182.15 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:08:47,033 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:08:47,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.26 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:08:47,035 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.26 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 76]: Unsupported Syntax bitfield implementation not yet bitprecise (soundness first) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...