./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3381f893b51659740208d183047dc7a08e935843 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3381f893b51659740208d183047dc7a08e935843 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:41,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:41,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:41,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:41,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:41,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:41,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:41,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:41,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:41,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:41,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:41,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:41,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:41,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:41,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:41,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:41,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:41,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:41,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:41,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:41,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:41,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:41,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:41,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:41,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:41,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:41,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:41,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:41,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:41,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:41,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:41,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:41,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:41,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:41,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:41,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:41,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:41,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:41,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:41,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:41,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:41,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-11 02:30:42,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:42,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:42,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:42,026 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:42,026 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:42,027 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:42,027 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:42,027 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:42,038 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:42,038 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:42,038 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:42,038 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:42,038 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:42,039 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:42,039 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:42,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:30:42,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:30:42,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:42,040 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:30:42,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:42,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:42,041 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:30:42,041 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:30:42,042 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:30:42,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:42,042 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:42,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:42,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:42,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:42,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:42,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:42,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:42,044 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:42,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:42,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:42,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:42,044 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_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3381f893b51659740208d183047dc7a08e935843 [2021-10-11 02:30:42,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:42,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:42,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:42,345 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:42,346 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:42,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-11 02:30:42,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data/a94b38130/1e5713fbdf644f7b941dfd323a5ebd36/FLAG72d911e50 [2021-10-11 02:30:43,279 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:43,280 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-11 02:30:43,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data/a94b38130/1e5713fbdf644f7b941dfd323a5ebd36/FLAG72d911e50 [2021-10-11 02:30:43,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data/a94b38130/1e5713fbdf644f7b941dfd323a5ebd36 [2021-10-11 02:30:43,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:43,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:43,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:43,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:43,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:43,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:43" (1/1) ... [2021-10-11 02:30:43,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330cac22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:43, skipping insertion in model container [2021-10-11 02:30:43,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:43" (1/1) ... [2021-10-11 02:30:43,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:43,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:44,890 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-11 02:30:44,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33382506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:44, skipping insertion in model container [2021-10-11 02:30:44,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:44,892 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:44,894 INFO L168 Benchmark]: Toolchain (without parser) took 1454.43 ms. Allocated memory is still 102.8 MB. Free memory was 78.9 MB in the beginning and 65.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:44,894 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 102.8 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:44,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1446.33 ms. Allocated memory is still 102.8 MB. Free memory was 78.7 MB in the beginning and 65.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:44,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 102.8 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1446.33 ms. Allocated memory is still 102.8 MB. Free memory was 78.7 MB in the beginning and 65.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:47,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:47,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:47,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:47,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:47,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:47,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:47,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:47,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:47,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:47,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:47,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:47,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:47,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:47,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:47,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:47,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:47,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:47,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:47,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:47,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:47,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:47,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:47,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:47,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:47,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:47,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:47,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:47,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:47,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:47,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:47,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:47,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:47,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:47,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:47,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:47,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:47,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:47,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:47,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:47,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:47,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-11 02:30:47,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:47,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:47,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:47,634 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:47,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:47,634 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:47,634 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:47,635 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:47,635 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:47,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:30:47,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:30:47,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:47,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:30:47,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:47,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:47,640 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:30:47,640 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:30:47,640 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:30:47,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:47,641 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:47,641 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:47,642 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:47,642 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:47,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:47,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:47,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:47,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:47,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:47,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:47,644 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:47,644 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:47,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:47,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:47,645 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3381f893b51659740208d183047dc7a08e935843 [2021-10-11 02:30:48,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:48,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:48,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:48,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:48,187 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:48,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-11 02:30:48,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data/49b02905c/b4fa1abc316443d2b2f84bfcd0c88f83/FLAG98534a6f6 [2021-10-11 02:30:49,080 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:49,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-11 02:30:49,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data/49b02905c/b4fa1abc316443d2b2f84bfcd0c88f83/FLAG98534a6f6 [2021-10-11 02:30:49,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb98ca4-f8eb-418c-9103-4b81bba03049/bin/utaipan-WLngWcDbfI/data/49b02905c/b4fa1abc316443d2b2f84bfcd0c88f83 [2021-10-11 02:30:49,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:49,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:49,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:49,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:49,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:49,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45094089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:49, skipping insertion in model container [2021-10-11 02:30:49,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:49" (1/1) ... [2021-10-11 02:30:49,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:49,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:50,688 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-11 02:30:50,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@807f541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:50, skipping insertion in model container [2021-10-11 02:30:50,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:50,693 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:50,697 INFO L168 Benchmark]: Toolchain (without parser) took 1513.28 ms. Allocated memory was 56.6 MB in the beginning and 90.2 MB in the end (delta: 33.6 MB). Free memory was 30.4 MB in the beginning and 61.9 MB in the end (delta: -31.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:50,700 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.9 MB in the end (delta: 45.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:50,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1508.64 ms. Allocated memory was 56.6 MB in the beginning and 90.2 MB in the end (delta: 33.6 MB). Free memory was 30.3 MB in the beginning and 61.9 MB in the end (delta: -31.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:50,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.9 MB in the end (delta: 45.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1508.64 ms. Allocated memory was 56.6 MB in the beginning and 90.2 MB in the end (delta: 33.6 MB). Free memory was 30.3 MB in the beginning and 61.9 MB in the end (delta: -31.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: 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...