./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/printf-2.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-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan --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 960bc5aa42a3b68f012aa0dee90eed8f457f9581 .............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan --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 960bc5aa42a3b68f012aa0dee90eed8f457f9581 ........................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:32:17,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:32:17,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:32:17,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:32:17,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:32:17,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:32:17,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:32:17,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:32:17,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:32:17,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:32:17,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:32:17,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:32:17,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:32:17,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:32:17,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:32:17,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:32:17,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:32:17,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:32:17,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:32:17,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:32:17,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:32:17,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:32:17,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:32:17,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:32:17,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:32:17,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:32:17,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:32:17,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:32:17,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:32:17,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:32:17,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:32:17,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:32:17,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:32:17,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:32:17,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:32:17,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:32:17,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:32:17,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:32:17,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:32:17,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:32:17,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:32:17,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-03 12:32:17,952 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:32:17,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:32:17,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:32:17,953 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:32:17,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:32:17,954 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:32:17,954 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:32:17,954 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:32:17,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:32:17,955 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:32:17,955 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:32:17,955 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:32:17,955 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:32:17,956 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:32:17,956 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:32:17,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 12:32:17,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 12:32:17,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:32:17,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:32:17,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:32:17,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:32:17,958 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-03 12:32:17,958 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-03 12:32:17,959 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-03 12:32:17,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:32:17,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:32:17,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:32:17,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:32:17,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:32:17,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:32:17,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:32:17,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:32:17,961 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:32:17,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:32:17,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:32:17,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:32:17,962 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_5989b7b6-a176-43b4-896f-30ad82cf95f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960bc5aa42a3b68f012aa0dee90eed8f457f9581 [2020-12-03 12:32:18,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:32:18,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:32:18,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:32:18,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:32:18,238 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:32:18,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-12-03 12:32:18,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data/af406cebc/966ae8c5fdc349f990f6c7993528deb5/FLAG4bb84482b [2020-12-03 12:32:19,046 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:32:19,047 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-12-03 12:32:19,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data/af406cebc/966ae8c5fdc349f990f6c7993528deb5/FLAG4bb84482b [2020-12-03 12:32:19,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data/af406cebc/966ae8c5fdc349f990f6c7993528deb5 [2020-12-03 12:32:19,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:32:19,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:32:19,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:19,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:32:19,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:32:19,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:19" (1/1) ... [2020-12-03 12:32:19,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ced8db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:19, skipping insertion in model container [2020-12-03 12:32:19,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:19" (1/1) ... [2020-12-03 12:32:19,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:32:19,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:32:20,554 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103699,103712] [2020-12-03 12:32:20,556 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103875,103888] [2020-12-03 12:32:20,557 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104048,104061] [2020-12-03 12:32:20,559 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104259,104272] [2020-12-03 12:32:20,560 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104572,104585] [2020-12-03 12:32:20,565 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-12-03 12:32:20,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@497edaca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:20, skipping insertion in model container [2020-12-03 12:32:20,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:20,567 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:32:20,576 INFO L168 Benchmark]: Toolchain (without parser) took 1408.99 ms. Allocated memory is still 102.8 MB. Free memory was 62.6 MB in the beginning and 60.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:20,578 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory was 46.0 MB in the beginning and 45.9 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:20,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1398.98 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 60.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:20,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory was 46.0 MB in the beginning and 45.9 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1398.98 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 60.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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 [2020-12-03 12:32:22,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:32:22,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:32:22,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:32:22,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:32:22,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:32:22,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:32:22,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:32:22,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:32:22,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:32:22,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:32:22,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:32:22,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:32:22,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:32:22,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:32:22,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:32:22,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:32:22,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:32:22,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:32:22,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:32:22,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:32:22,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:32:22,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:32:22,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:32:22,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:32:22,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:32:22,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:32:22,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:32:22,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:32:22,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:32:22,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:32:22,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:32:22,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:32:22,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:32:22,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:32:22,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:32:22,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:32:22,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:32:22,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:32:22,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:32:22,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:32:22,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-03 12:32:22,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:32:22,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:32:22,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:32:22,973 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:32:22,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:32:22,974 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:32:22,974 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:32:22,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:32:22,974 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:32:22,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 12:32:22,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 12:32:22,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:32:22,976 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:32:22,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:32:22,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:32:22,976 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-03 12:32:22,977 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-03 12:32:22,977 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-03 12:32:22,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:32:22,977 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:32:22,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 12:32:22,978 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 12:32:22,978 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:32:22,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:32:22,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 12:32:22,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:32:22,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:32:22,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:32:22,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:32:22,980 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-03 12:32:22,980 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 12:32:22,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:32:22,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:32:22,980 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-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960bc5aa42a3b68f012aa0dee90eed8f457f9581 [2020-12-03 12:32:23,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:32:23,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:32:23,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:32:23,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:32:23,350 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:32:23,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-12-03 12:32:23,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data/50abecd84/5783a78562eb45c89de2d0d8749f31af/FLAGd7081c4c5 [2020-12-03 12:32:24,267 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:32:24,270 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-12-03 12:32:24,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data/50abecd84/5783a78562eb45c89de2d0d8749f31af/FLAGd7081c4c5 [2020-12-03 12:32:24,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/bin/utaipan/data/50abecd84/5783a78562eb45c89de2d0d8749f31af [2020-12-03 12:32:24,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:32:24,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:32:24,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:24,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:32:24,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:32:24,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:24" (1/1) ... [2020-12-03 12:32:24,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185fd3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:24, skipping insertion in model container [2020-12-03 12:32:24,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:24" (1/1) ... [2020-12-03 12:32:24,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:32:24,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:32:26,456 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103699,103712] [2020-12-03 12:32:26,459 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103875,103888] [2020-12-03 12:32:26,461 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104048,104061] [2020-12-03 12:32:26,463 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104259,104272] [2020-12-03 12:32:26,464 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_5989b7b6-a176-43b4-896f-30ad82cf95f5/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104572,104585] [2020-12-03 12:32:26,471 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-12-03 12:32:26,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5762f405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26, skipping insertion in model container [2020-12-03 12:32:26,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:26,472 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:32:26,475 INFO L168 Benchmark]: Toolchain (without parser) took 1689.93 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 34.1 MB in the beginning and 37.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:26,476 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 41.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:26,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1687.64 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 33.9 MB in the beginning and 37.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:26,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 41.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1687.64 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 33.9 MB in the beginning and 37.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...