./Ultimate.py --spec ../../sv-benchmarks/c/Systems_BusyBox_NoOverflows.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete_false-no-overflow.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_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete_false-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ee81daeda2fd30776d578e6936f894527a72a160 .............................................................................................................................. 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 14:52:25,864 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:52:25,865 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:52:25,872 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:52:25,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:52:25,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:52:25,874 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:52:25,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:52:25,876 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:52:25,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:52:25,878 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:52:25,878 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:52:25,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:52:25,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:52:25,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:52:25,880 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:52:25,881 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:52:25,882 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:52:25,883 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:52:25,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:52:25,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:52:25,886 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:52:25,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:52:25,888 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:52:25,888 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:52:25,889 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:52:25,889 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:52:25,890 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:52:25,890 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:52:25,891 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:52:25,891 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:52:25,892 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:52:25,892 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:52:25,892 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:52:25,893 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:52:25,893 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:52:25,893 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 14:52:25,903 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:52:25,903 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:52:25,904 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:52:25,904 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:52:25,905 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:52:25,905 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:52:25,905 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:52:25,905 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:52:25,905 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:52:25,905 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:52:25,906 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:52:25,906 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:52:25,906 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:52:25,906 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 14:52:25,906 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:52:25,906 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:52:25,906 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:52:25,907 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:52:25,907 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:52:25,907 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:52:25,907 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:52:25,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:52:25,907 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:52:25,908 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:52:25,908 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:52:25,908 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:52:25,908 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:52:25,908 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:52:25,908 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak 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 -> Kojak 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 -> ee81daeda2fd30776d578e6936f894527a72a160 [2018-11-18 14:52:25,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:52:25,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:52:25,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:52:25,942 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:52:25,943 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:52:25,943 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete_false-no-overflow.i [2018-11-18 14:52:25,982 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/data/a65fb15ee/64bb24979ee8477984ae2e7f74250f74/FLAG1b6d36452 [2018-11-18 14:52:26,375 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:52:26,376 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete_false-no-overflow.i [2018-11-18 14:52:26,391 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/data/a65fb15ee/64bb24979ee8477984ae2e7f74250f74/FLAG1b6d36452 [2018-11-18 14:52:26,734 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72baffce-44f8-4a13-a7ef-63a87a5e19a2/bin-2019/ukojak/data/a65fb15ee/64bb24979ee8477984ae2e7f74250f74 [2018-11-18 14:52:26,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:52:26,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:52:26,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:52:26,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:52:26,749 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:52:26,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:52:26" (1/1) ... [2018-11-18 14:52:26,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a31a73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:26, skipping insertion in model container [2018-11-18 14:52:26,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:52:26" (1/1) ... [2018-11-18 14:52:26,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:52:26,801 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:52:27,410 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 14:52:27,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18480bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:52:27, skipping insertion in model container [2018-11-18 14:52:27,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:52:27,411 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-18 14:52:27,412 INFO L168 Benchmark]: Toolchain (without parser) took 670.11 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 921.0 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:27,413 INFO L168 Benchmark]: CDTParser took 0.15 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 14:52:27,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 921.0 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:52:27,415 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 666.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 921.0 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 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...