./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete_true-no-overflow_false-valid-memtrack.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete_true-no-overflow_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/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 6053885f5a5eb8e12a6d1cb4cd468471fcdc7905 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:22:37,680 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:22:37,681 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:22:37,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:22:37,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:22:37,688 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:22:37,689 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:22:37,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:22:37,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:22:37,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:22:37,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:22:37,693 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:22:37,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:22:37,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:22:37,695 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:22:37,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:22:37,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:22:37,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:22:37,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:22:37,700 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:22:37,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:22:37,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:22:37,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:22:37,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:22:37,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:22:37,704 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:22:37,705 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:22:37,706 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:22:37,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:22:37,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:22:37,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:22:37,707 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:22:37,707 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:22:37,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:22:37,708 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:22:37,708 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:22:37,709 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-23 06:22:37,718 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:22:37,718 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:22:37,719 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:22:37,719 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:22:37,719 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:22:37,719 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:22:37,720 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:22:37,720 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:22:37,720 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:22:37,720 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:22:37,720 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:22:37,720 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:22:37,720 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:22:37,721 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:22:37,721 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 06:22:37,721 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:22:37,721 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:22:37,723 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:22:37,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:22:37,723 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:22:37,723 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 06:22:37,723 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:22:37,723 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:22:37,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:22:37,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:22:37,724 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:22:37,724 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:22:37,724 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:22:37,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:22:37,724 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:22:37,724 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:22:37,725 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:22:37,725 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:22:37,725 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:22:37,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:22:37,725 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:22:37,725 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_c90df873-17fa-423d-8261-88cfcc544319/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 -> 6053885f5a5eb8e12a6d1cb4cd468471fcdc7905 [2018-11-23 06:22:37,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:22:37,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:22:37,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:22:37,762 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:22:37,762 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:22:37,763 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete_true-no-overflow_false-valid-memtrack.i [2018-11-23 06:22:37,806 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/data/8d32920c9/8362df5b2aec4a45975d2efdeccaacdd/FLAG63b82b745 [2018-11-23 06:22:38,259 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:22:38,260 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete_true-no-overflow_false-valid-memtrack.i [2018-11-23 06:22:38,276 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/data/8d32920c9/8362df5b2aec4a45975d2efdeccaacdd/FLAG63b82b745 [2018-11-23 06:22:38,569 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c90df873-17fa-423d-8261-88cfcc544319/bin-2019/utaipan/data/8d32920c9/8362df5b2aec4a45975d2efdeccaacdd [2018-11-23 06:22:38,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:22:38,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:22:38,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:22:38,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:22:38,576 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:22:38,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:38" (1/1) ... [2018-11-23 06:22:38,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f94d96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:38, skipping insertion in model container [2018-11-23 06:22:38,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:38" (1/1) ... [2018-11-23 06:22:38,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:22:38,632 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:22:39,482 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2018-11-23 06:22:39,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64f61ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:39, skipping insertion in model container [2018-11-23 06:22:39,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:22:39,483 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-23 06:22:39,484 INFO L168 Benchmark]: Toolchain (without parser) took 912.15 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 926.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:22:39,485 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:22:39,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 909.95 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 926.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:22:39,487 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 909.95 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 926.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2327]: 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...