./Ultimate.py --spec ../../sv-benchmarks/c/Systems_BusyBox_NoOverflows.prp --file ../../sv-benchmarks/c/busybox-1.22.0/du_true-no-overflow_true-valid-memsafety.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du_true-no-overflow_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4920c0bbf6ce29a7b315f2399d73cbab385acd72 .................................................................................................................................... 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 05:51:17,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:51:17,405 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:51:17,414 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:51:17,414 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:51:17,415 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:51:17,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:51:17,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:51:17,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:51:17,420 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:51:17,420 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:51:17,421 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:51:17,421 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:51:17,422 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:51:17,423 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:51:17,424 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:51:17,425 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:51:17,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:51:17,428 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:51:17,429 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:51:17,430 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:51:17,431 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:51:17,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:51:17,433 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:51:17,433 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:51:17,435 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:51:17,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:51:17,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:51:17,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:51:17,438 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:51:17,438 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:51:17,439 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:51:17,439 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:51:17,439 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:51:17,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:51:17,441 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:51:17,441 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-10-27 05:51:17,457 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:51:17,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:51:17,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:51:17,458 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:51:17,459 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:51:17,459 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:51:17,459 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:51:17,459 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:51:17,459 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:51:17,459 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:51:17,460 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:51:17,460 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:51:17,460 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:51:17,460 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:51:17,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:51:17,461 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:51:17,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:51:17,461 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:51:17,461 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:51:17,461 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:51:17,461 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:51:17,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:51:17,462 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:51:17,462 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:51:17,462 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:51:17,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:51:17,466 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:51:17,467 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:51:17,467 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:51:17,467 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:51:17,467 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:51:17,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:51:17,467 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:51:17,467 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_f04a2e91-c0af-4726-b094-ad7946240d4e/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 ! overflow) ) 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 -> 4920c0bbf6ce29a7b315f2399d73cbab385acd72 [2018-10-27 05:51:17,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:51:17,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:51:17,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:51:17,518 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:51:17,518 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:51:17,519 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/../../sv-benchmarks/c/busybox-1.22.0/du_true-no-overflow_true-valid-memsafety.i [2018-10-27 05:51:17,570 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/data/1d49e6273/e5b3ab86a72247e1859e2d5c8f509952/FLAG5d4d012be [2018-10-27 05:51:18,158 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:51:18,161 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/sv-benchmarks/c/busybox-1.22.0/du_true-no-overflow_true-valid-memsafety.i [2018-10-27 05:51:18,192 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/data/1d49e6273/e5b3ab86a72247e1859e2d5c8f509952/FLAG5d4d012be [2018-10-27 05:51:18,205 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f04a2e91-c0af-4726-b094-ad7946240d4e/bin-2019/utaipan/data/1d49e6273/e5b3ab86a72247e1859e2d5c8f509952 [2018-10-27 05:51:18,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:51:18,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:51:18,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:51:18,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:51:18,215 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:51:18,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:51:18" (1/1) ... [2018-10-27 05:51:18,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f432eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:18, skipping insertion in model container [2018-10-27 05:51:18,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:51:18" (1/1) ... [2018-10-27 05:51:18,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:51:18,336 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:51:19,819 WARN L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2018-10-27 05:51:19,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ee79901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:19, skipping insertion in model container [2018-10-27 05:51:19,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:51:19,820 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-10-27 05:51:19,821 INFO L168 Benchmark]: Toolchain (without parser) took 1611.98 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 914.0 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:51:19,823 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-10-27 05:51:19,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1609.42 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 914.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:51:19,825 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 1609.42 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 914.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2632]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...