./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:12:20,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:12:20,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:12:21,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:12:21,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:12:21,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:12:21,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:12:21,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:12:21,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:12:21,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:12:21,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:12:21,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:12:21,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:12:21,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:12:21,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:12:21,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:12:21,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:12:21,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:12:21,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:12:21,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:12:21,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:12:21,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:12:21,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:12:21,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:12:21,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:12:21,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:12:21,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:12:21,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:12:21,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:12:21,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:12:21,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:12:21,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:12:21,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:12:21,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:12:21,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:12:21,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:12:21,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:12:21,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:12:21,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:12:21,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:12:21,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:12:21,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-03 04:12:21,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:12:21,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:12:21,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:12:21,153 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:12:21,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:12:21,154 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:12:21,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:12:21,154 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:12:21,154 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:12:21,155 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:12:21,155 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:12:21,155 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:12:21,155 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:12:21,156 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:12:21,156 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:12:21,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 04:12:21,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 04:12:21,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:12:21,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 04:12:21,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:12:21,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:12:21,158 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 04:12:21,158 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 04:12:21,158 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 04:12:21,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:12:21,158 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:12:21,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:12:21,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:12:21,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:12:21,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:12:21,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:12:21,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:12:21,160 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:12:21,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:12:21,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:12:21,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:12:21,161 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_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-03 04:12:21,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:12:21,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:12:21,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:12:21,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:12:21,555 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:12:21,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-03 04:12:21,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data/34c81493b/dfdb7b69edb14a6380d7905169868132/FLAGfa6d623b8 [2021-11-03 04:12:22,343 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:12:22,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-03 04:12:22,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data/34c81493b/dfdb7b69edb14a6380d7905169868132/FLAGfa6d623b8 [2021-11-03 04:12:22,487 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data/34c81493b/dfdb7b69edb14a6380d7905169868132 [2021-11-03 04:12:22,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:12:22,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:12:22,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:12:22,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:12:22,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:12:22,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:12:22" (1/1) ... [2021-11-03 04:12:22,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186ffe1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:12:22, skipping insertion in model container [2021-11-03 04:12:22,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:12:22" (1/1) ... [2021-11-03 04:12:22,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:12:22,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:12:23,661 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 [2021-11-03 04:12:23,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@190a868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:12:23, skipping insertion in model container [2021-11-03 04:12:23,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:12:23,662 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:12:23,665 INFO L168 Benchmark]: Toolchain (without parser) took 1170.23 ms. Allocated memory is still 113.2 MB. Free memory was 88.9 MB in the beginning and 75.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:12:23,665 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 79.7 MB. Free memory was 60.7 MB in the beginning and 60.6 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:12:23,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1162.68 ms. Allocated memory is still 113.2 MB. Free memory was 88.6 MB in the beginning and 75.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:12:23,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 79.7 MB. Free memory was 60.7 MB in the beginning and 60.6 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1162.68 ms. Allocated memory is still 113.2 MB. Free memory was 88.6 MB in the beginning and 75.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 10.5 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:12:25,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:12:25,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:12:25,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:12:25,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:12:25,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:12:25,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:12:25,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:12:25,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:12:25,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:12:25,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:12:25,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:12:25,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:12:25,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:12:25,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:12:25,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:12:25,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:12:25,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:12:25,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:12:25,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:12:25,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:12:25,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:12:25,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:12:25,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:12:25,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:12:25,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:12:25,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:12:25,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:12:25,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:12:25,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:12:25,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:12:25,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:12:25,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:12:25,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:12:25,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:12:25,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:12:25,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:12:25,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:12:25,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:12:25,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:12:25,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:12:25,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-03 04:12:26,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:12:26,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:12:26,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:12:26,033 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:12:26,033 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:12:26,034 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:12:26,034 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:12:26,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:12:26,034 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:12:26,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 04:12:26,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 04:12:26,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:12:26,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 04:12:26,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:12:26,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:12:26,038 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 04:12:26,038 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 04:12:26,039 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 04:12:26,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:12:26,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:12:26,039 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:12:26,040 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:12:26,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:12:26,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:12:26,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:12:26,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:12:26,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:12:26,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:12:26,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:12:26,042 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:12:26,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:12:26,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:12:26,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:12:26,043 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_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-03 04:12:26,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:12:26,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:12:26,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:12:26,444 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:12:26,445 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:12:26,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-03 04:12:26,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data/930cdd855/a2258aecd36542c9a88302cbc6273040/FLAG831e795a2 [2021-11-03 04:12:27,192 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:12:27,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-03 04:12:27,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data/930cdd855/a2258aecd36542c9a88302cbc6273040/FLAG831e795a2 [2021-11-03 04:12:27,330 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14369ada-5ac4-4d7f-9d03-079a7b44829f/bin/utaipan-aC7eJsxGYH/data/930cdd855/a2258aecd36542c9a88302cbc6273040 [2021-11-03 04:12:27,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:12:27,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:12:27,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:12:27,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:12:27,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:12:27,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:12:27" (1/1) ... [2021-11-03 04:12:27,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44441cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:12:27, skipping insertion in model container [2021-11-03 04:12:27,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:12:27" (1/1) ... [2021-11-03 04:12:27,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:12:27,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:12:29,053 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 [2021-11-03 04:12:29,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12a17aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:12:29, skipping insertion in model container [2021-11-03 04:12:29,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:12:29,055 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:12:29,057 INFO L168 Benchmark]: Toolchain (without parser) took 1719.56 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 27.9 MB in the beginning and 41.5 MB in the end (delta: -13.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:12:29,058 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory is still 36.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:12:29,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1715.21 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 27.7 MB in the beginning and 41.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:12:29,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory is still 36.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1715.21 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 27.7 MB in the beginning and 41.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 9.5 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN