./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm_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_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm_true-no-overflow_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/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 64bit --witnessprinter.graph.data.programhash 299457e223531496b538c7ef324f2fa2e65c6257 ..................................................................................................................................... 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 23:40:52,779 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:40:52,780 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:40:52,786 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:40:52,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:40:52,787 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:40:52,788 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:40:52,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:40:52,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:40:52,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:40:52,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:40:52,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:40:52,791 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:40:52,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:40:52,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:40:52,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:40:52,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:40:52,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:40:52,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:40:52,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:40:52,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:40:52,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:40:52,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:40:52,797 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:40:52,797 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:40:52,797 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:40:52,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:40:52,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:40:52,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:40:52,799 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:40:52,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:40:52,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:40:52,800 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:40:52,800 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:40:52,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:40:52,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:40:52,801 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2018-12-08 23:40:52,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:40:52,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:40:52,809 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:40:52,809 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:40:52,809 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 23:40:52,809 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 23:40:52,809 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 23:40:52,809 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 23:40:52,809 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 23:40:52,809 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 23:40:52,809 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 23:40:52,809 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 23:40:52,809 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 23:40:52,810 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:40:52,810 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:40:52,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:40:52,810 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 23:40:52,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:40:52,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:40:52,810 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 23:40:52,810 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 23:40:52,810 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 23:40:52,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:40:52,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:40:52,811 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:40:52,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:40:52,811 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:40:52,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:40:52,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:40:52,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:40:52,811 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 23:40:52,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:40:52,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:40:52,811 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_038d317c-128c-4f29-b38f-346c48e3adcf/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 299457e223531496b538c7ef324f2fa2e65c6257 [2018-12-08 23:40:52,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:40:52,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:40:52,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:40:52,839 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:40:52,839 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:40:52,840 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/../../sv-benchmarks/c/busybox-1.22.0/rm_true-no-overflow_true-valid-memsafety.i [2018-12-08 23:40:52,874 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/data/2968c5a54/02663d5241574c7abb910505f3d53def/FLAG574f2a756 [2018-12-08 23:40:53,283 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:40:53,284 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/sv-benchmarks/c/busybox-1.22.0/rm_true-no-overflow_true-valid-memsafety.i [2018-12-08 23:40:53,296 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/data/2968c5a54/02663d5241574c7abb910505f3d53def/FLAG574f2a756 [2018-12-08 23:40:53,305 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_038d317c-128c-4f29-b38f-346c48e3adcf/bin-2019/utaipan/data/2968c5a54/02663d5241574c7abb910505f3d53def [2018-12-08 23:40:53,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:40:53,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:40:53,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:40:53,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:40:53,310 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:40:53,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:40:53" (1/1) ... [2018-12-08 23:40:53,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c0d740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:40:53, skipping insertion in model container [2018-12-08 23:40:53,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:40:53" (1/1) ... [2018-12-08 23:40:53,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:40:53,363 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:40:54,187 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2018-12-08 23:40:54,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5441b614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:40:54, skipping insertion in model container [2018-12-08 23:40:54,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:40:54,188 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-12-08 23:40:54,189 INFO L168 Benchmark]: Toolchain (without parser) took 881.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-12-08 23:40:54,190 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:40:54,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 879.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-12-08 23:40:54,192 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 879.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2707]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...