./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/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 64bit --witnessprinter.graph.data.programhash 60e87bbb338de49f951bcda640064e8dc1c76515 ...................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:10:11,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:10:11,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:10:11,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:10:11,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:10:11,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:10:11,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:10:11,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:10:11,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:10:11,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:10:11,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:10:11,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:10:11,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:10:11,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:10:11,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:10:11,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:10:11,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:10:11,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:10:11,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:10:11,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:10:11,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:10:11,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:10:11,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:10:11,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:10:11,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:10:11,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:10:11,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:10:11,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:10:11,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:10:11,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:10:11,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:10:11,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:10:11,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:10:11,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:10:11,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:10:11,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:10:11,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:10:11,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:10:11,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:10:11,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:10:11,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:10:11,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-15 22:10:11,520 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:10:11,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:10:11,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:10:11,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:10:11,522 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:10:11,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:10:11,522 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:10:11,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:10:11,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:10:11,523 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:10:11,523 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:10:11,523 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:10:11,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:10:11,523 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:10:11,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:10:11,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:10:11,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:10:11,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:10:11,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:10:11,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:10:11,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:10:11,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:10:11,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:10:11,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-11-15 22:10:11,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:10:11,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:10:11,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:10:11,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:10:11,584 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:10:11,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-15 22:10:11,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/data/be77ae94d/bcdd9ed881a844e09862e2a3314a13be/FLAGae1efd70b [2019-11-15 22:10:12,298 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:10:12,298 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-15 22:10:12,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/data/be77ae94d/bcdd9ed881a844e09862e2a3314a13be/FLAGae1efd70b [2019-11-15 22:10:12,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6673d6b3-303a-49a3-ae84-7613a9bfa0fd/bin/uautomizer/data/be77ae94d/bcdd9ed881a844e09862e2a3314a13be [2019-11-15 22:10:12,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:10:12,614 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:10:12,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:10:12,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:10:12,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:10:12,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:10:12" (1/1) ... [2019-11-15 22:10:12,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4987598e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:12, skipping insertion in model container [2019-11-15 22:10:12,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:10:12" (1/1) ... [2019-11-15 22:10:12,631 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:10:12,715 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:10:13,966 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-11-15 22:10:13,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5eaa817e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:13, skipping insertion in model container [2019-11-15 22:10:13,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:10:13,968 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-15 22:10:13,970 INFO L168 Benchmark]: Toolchain (without parser) took 1355.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:13,971 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:10:13,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1351.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:13,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1351.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 31.6 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...