./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/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 a95becdce338721d614c9013a3a26f64997ee0d7 ........................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:31:57,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:31:57,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:31:57,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:31:57,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:31:57,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:31:57,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:31:57,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:31:57,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:31:57,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:31:57,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:31:57,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:31:57,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:31:57,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:31:57,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:31:57,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:31:57,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:31:57,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:31:57,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:31:57,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:31:57,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:31:57,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:31:57,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:31:57,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:31:57,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:31:57,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:31:57,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:31:57,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:31:57,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:31:57,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:31:57,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:31:57,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:31:57,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:31:57,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:31:57,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:31:57,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:31:57,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:31:57,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:31:57,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:31:57,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:31:57,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:31:57,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-12-03 12:31:58,023 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:31:58,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:31:58,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:31:58,025 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:31:58,026 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:31:58,026 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:31:58,026 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:31:58,026 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:31:58,027 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:31:58,027 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:31:58,028 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:31:58,029 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:31:58,029 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:31:58,029 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:31:58,029 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:31:58,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:31:58,031 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:31:58,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:31:58,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:31:58,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:31:58,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:31:58,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:31:58,033 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 12:31:58,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:31:58,033 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:31:58,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:31:58,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:31:58,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:31:58,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:31:58,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:31:58,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:31:58,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:31:58,035 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:31:58,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:31:58,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:31:58,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:31:58,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:31:58,037 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a95becdce338721d614c9013a3a26f64997ee0d7 [2020-12-03 12:31:58,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:31:58,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:31:58,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:31:58,422 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:31:58,422 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:31:58,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2020-12-03 12:31:58,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/data/625fb665f/8e7e77f713af423b9a92761ae663164e/FLAGc81dd85f9 [2020-12-03 12:31:59,230 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:31:59,234 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2020-12-03 12:31:59,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/data/625fb665f/8e7e77f713af423b9a92761ae663164e/FLAGc81dd85f9 [2020-12-03 12:31:59,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_132e3daf-8e4a-452e-b3bc-4d392d302b1f/bin/utaipan/data/625fb665f/8e7e77f713af423b9a92761ae663164e [2020-12-03 12:31:59,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:31:59,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:31:59,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:59,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:31:59,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:31:59,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:59" (1/1) ... [2020-12-03 12:31:59,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3241163f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:59, skipping insertion in model container [2020-12-03 12:31:59,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:59" (1/1) ... [2020-12-03 12:31:59,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:31:59,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:32:00,751 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2020-12-03 12:32:00,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@766585ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:00, skipping insertion in model container [2020-12-03 12:32:00,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:00,753 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:32:00,755 INFO L168 Benchmark]: Toolchain (without parser) took 1383.91 ms. Allocated memory is still 81.8 MB. Free memory was 60.0 MB in the beginning and 43.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:00,756 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 63.5 MB in the beginning and 63.4 MB in the end (delta: 79.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:00,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1380.95 ms. Allocated memory is still 81.8 MB. Free memory was 59.8 MB in the beginning and 43.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:00,759 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 63.5 MB in the beginning and 63.4 MB in the end (delta: 79.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1380.95 ms. Allocated memory is still 81.8 MB. Free memory was 59.8 MB in the beginning and 43.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...