./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_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/config/KojakMemDerefMemtrack.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_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/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 60e87bbb338de49f951bcda640064e8dc1c76515 ............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:04:43,234 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:04:43,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:04:43,241 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:04:43,241 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:04:43,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:04:43,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:04:43,243 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:04:43,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:04:43,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:04:43,245 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:04:43,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:04:43,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:04:43,246 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:04:43,246 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:04:43,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:04:43,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:04:43,248 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:04:43,249 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:04:43,249 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:04:43,250 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:04:43,250 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:04:43,251 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:04:43,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:04:43,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:04:43,252 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:04:43,253 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:04:43,253 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:04:43,253 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:04:43,254 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:04:43,254 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:04:43,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:04:43,255 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:04:43,255 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:04:43,255 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:04:43,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:04:43,256 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2018-12-08 14:04:43,263 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:04:43,263 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:04:43,263 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:04:43,264 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:04:43,264 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:04:43,264 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 14:04:43,264 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:04:43,264 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:04:43,264 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 14:04:43,264 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 14:04:43,264 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 14:04:43,264 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:04:43,264 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:04:43,265 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 14:04:43,265 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 14:04:43,265 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:04:43,265 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:04:43,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:04:43,265 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:04:43,265 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:04:43,265 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 14:04:43,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:04:43,265 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_23a0102b-69a3-4e40-99ce-ab01faf25492/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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2018-12-08 14:04:43,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:04:43,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:04:43,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:04:43,292 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:04:43,292 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:04:43,293 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/../../sv-benchmarks/c/busybox-1.22.0/readlink_true-no-overflow_true-valid-memsafety.i [2018-12-08 14:04:43,328 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/data/f2e0e403e/d91c0aaa9c654942a37daa38c0a100ab/FLAGa2da6b833 [2018-12-08 14:04:43,785 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:04:43,785 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/sv-benchmarks/c/busybox-1.22.0/readlink_true-no-overflow_true-valid-memsafety.i [2018-12-08 14:04:43,797 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/data/f2e0e403e/d91c0aaa9c654942a37daa38c0a100ab/FLAGa2da6b833 [2018-12-08 14:04:44,074 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_23a0102b-69a3-4e40-99ce-ab01faf25492/bin-2019/ukojak/data/f2e0e403e/d91c0aaa9c654942a37daa38c0a100ab [2018-12-08 14:04:44,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:04:44,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:04:44,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:44,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:04:44,090 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:04:44,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:44" (1/1) ... [2018-12-08 14:04:44,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee614f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:44, skipping insertion in model container [2018-12-08 14:04:44,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:44" (1/1) ... [2018-12-08 14:04:44,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:04:44,199 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:04:44,826 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 [2018-12-08 14:04:44,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28806fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:44, skipping insertion in model container [2018-12-08 14:04:44,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:44,827 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-12-08 14:04:44,827 INFO L168 Benchmark]: Toolchain (without parser) took 746.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-12-08 14:04:44,828 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-08 14:04:44,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-12-08 14:04:44,830 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 742.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). Peak memory consumption was 39.0 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...