./Ultimate.py --spec ../../sv-benchmarks/c/Systems_BusyBox_NoOverflows.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete_true-no-overflow_true-valid-memsafety.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete_true-no-overflow_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/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 1b8228d251224bd14b2525c351dd42d1c0ad3b2d ....................................................................................................................................... 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 18:00:29,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:00:29,490 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:00:29,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:00:29,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:00:29,498 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:00:29,499 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:00:29,500 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:00:29,501 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:00:29,502 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:00:29,503 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:00:29,503 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:00:29,504 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:00:29,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:00:29,505 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:00:29,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:00:29,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:00:29,508 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:00:29,510 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:00:29,511 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:00:29,512 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:00:29,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:00:29,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:00:29,514 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:00:29,514 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:00:29,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:00:29,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:00:29,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:00:29,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:00:29,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:00:29,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:00:29,520 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:00:29,520 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:00:29,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:00:29,521 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:00:29,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:00:29,522 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-18 18:00:29,532 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:00:29,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:00:29,533 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:00:29,533 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 18:00:29,533 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 18:00:29,533 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 18:00:29,534 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 18:00:29,534 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 18:00:29,534 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 18:00:29,534 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 18:00:29,534 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 18:00:29,534 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 18:00:29,534 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 18:00:29,535 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:00:29,535 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 18:00:29,535 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:00:29,535 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:00:29,536 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:00:29,536 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:00:29,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:00:29,536 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 18:00:29,536 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:00:29,536 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:00:29,536 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:00:29,537 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:00:29,537 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 18:00:29,537 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:00:29,537 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 18:00:29,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:00:29,537 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:00:29,537 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:00:29,537 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:00:29,537 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 18:00:29,538 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:00:29,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:00:29,538 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 18:00:29,538 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_ba648b09-8502-4123-beef-ec8301ea5828/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 -> 1b8228d251224bd14b2525c351dd42d1c0ad3b2d [2018-11-18 18:00:29,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:00:29,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:00:29,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:00:29,574 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:00:29,574 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:00:29,575 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete_true-no-overflow_true-valid-memsafety.i [2018-11-18 18:00:29,621 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/data/054fe32be/f4b78b3a76b041cd995e5e2807c01a78/FLAG090dbcbcc [2018-11-18 18:00:30,123 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:00:30,124 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete_true-no-overflow_true-valid-memsafety.i [2018-11-18 18:00:30,136 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/data/054fe32be/f4b78b3a76b041cd995e5e2807c01a78/FLAG090dbcbcc [2018-11-18 18:00:30,596 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba648b09-8502-4123-beef-ec8301ea5828/bin-2019/utaipan/data/054fe32be/f4b78b3a76b041cd995e5e2807c01a78 [2018-11-18 18:00:30,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:00:30,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:00:30,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:00:30,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:00:30,603 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:00:30,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:00:30" (1/1) ... [2018-11-18 18:00:30,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6ce68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:00:30, skipping insertion in model container [2018-11-18 18:00:30,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:00:30" (1/1) ... [2018-11-18 18:00:30,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:00:30,664 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:00:31,317 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2018-11-18 18:00:31,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f5f71e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:00:31, skipping insertion in model container [2018-11-18 18:00:31,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:00:31,318 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-18 18:00:31,318 INFO L168 Benchmark]: Toolchain (without parser) took 718.80 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 923.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:00:31,320 INFO L168 Benchmark]: CDTParser took 0.14 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 18:00:31,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.06 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 923.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:00:31,321 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 717.06 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 923.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1898]: 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...