./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/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_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE --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 ......................................................................................................................................... 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_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/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_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE --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 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:55:23,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:55:23,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:55:23,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:55:23,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:55:23,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:55:23,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:55:23,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:55:23,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:55:23,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:55:23,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:55:23,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:55:23,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:55:23,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:55:23,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:55:23,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:55:23,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:55:23,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:55:23,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:55:23,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:55:23,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:55:23,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:55:23,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:55:23,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:55:23,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:55:23,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:55:23,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:55:23,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:55:23,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:55:23,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:55:23,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:55:23,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:55:23,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:55:23,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:55:23,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:55:23,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:55:23,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:55:23,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:55:23,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:55:23,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:55:23,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:55:23,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-24 10:55:24,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:55:24,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:55:24,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:55:24,015 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:55:24,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:55:24,015 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:55:24,016 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:55:24,016 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:55:24,016 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:55:24,016 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:55:24,016 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:55:24,017 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:55:24,017 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:55:24,017 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:55:24,017 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:55:24,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 10:55:24,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 10:55:24,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:55:24,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 10:55:24,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:55:24,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:55:24,021 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 10:55:24,021 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 10:55:24,021 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 10:55:24,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:55:24,022 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:55:24,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:55:24,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:55:24,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:55:24,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:55:24,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:55:24,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:55:24,025 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:55:24,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:55:24,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:55:24,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:55:24,026 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_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-10-24 10:55:24,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:55:24,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:55:24,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:55:24,376 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:55:24,377 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:55:24,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-24 10:55:24,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data/94f61c416/9f516069b0ae449abecd84d60d1f54f8/FLAG66b71654e [2021-10-24 10:55:25,240 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:55:25,242 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-24 10:55:25,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data/94f61c416/9f516069b0ae449abecd84d60d1f54f8/FLAG66b71654e [2021-10-24 10:55:25,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data/94f61c416/9f516069b0ae449abecd84d60d1f54f8 [2021-10-24 10:55:25,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:55:25,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:55:25,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:55:25,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:55:25,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:55:25,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:55:25" (1/1) ... [2021-10-24 10:55:25,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc46cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:25, skipping insertion in model container [2021-10-24 10:55:25,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:55:25" (1/1) ... [2021-10-24 10:55:25,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:55:25,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:55:26,750 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 [2021-10-24 10:55:26,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52bc24e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:26, skipping insertion in model container [2021-10-24 10:55:26,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:55:26,752 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:55:26,754 INFO L168 Benchmark]: Toolchain (without parser) took 1335.69 ms. Allocated memory is still 111.1 MB. Free memory was 65.7 MB in the beginning and 69.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:26,755 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 111.1 MB. Free memory is still 87.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:55:26,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1330.18 ms. Allocated memory is still 111.1 MB. Free memory was 65.5 MB in the beginning and 69.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:26,758 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 111.1 MB. Free memory is still 87.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1330.18 ms. Allocated memory is still 111.1 MB. Free memory was 65.5 MB in the beginning and 69.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 7.9 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:55:29,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:55:29,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:55:29,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:55:29,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:55:29,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:55:29,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:55:29,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:55:29,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:55:29,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:55:29,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:55:29,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:55:29,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:55:29,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:55:29,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:55:29,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:55:29,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:55:29,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:55:29,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:55:29,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:55:29,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:55:29,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:55:29,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:55:29,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:55:29,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:55:29,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:55:29,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:55:29,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:55:29,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:55:29,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:55:29,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:55:29,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:55:29,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:55:29,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:55:29,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:55:29,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:55:29,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:55:29,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:55:29,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:55:29,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:55:29,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:55:29,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-24 10:55:29,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:55:29,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:55:29,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:55:29,478 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:55:29,478 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:55:29,478 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:55:29,479 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:55:29,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:55:29,479 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:55:29,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 10:55:29,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 10:55:29,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:55:29,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 10:55:29,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:55:29,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:55:29,484 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 10:55:29,484 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 10:55:29,484 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 10:55:29,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:55:29,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:55:29,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:55:29,485 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:55:29,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:55:29,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:55:29,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:55:29,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:55:29,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:55:29,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:55:29,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:55:29,488 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:55:29,488 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:55:29,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:55:29,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:55:29,489 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_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-10-24 10:55:29,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:55:29,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:55:29,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:55:29,933 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:55:29,934 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:55:29,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-24 10:55:30,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data/2903c6977/bf77d41f03064c808f3684e4fad21460/FLAGef9011da1 [2021-10-24 10:55:30,960 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:55:30,960 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-24 10:55:31,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data/2903c6977/bf77d41f03064c808f3684e4fad21460/FLAGef9011da1 [2021-10-24 10:55:31,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677d46c9-f577-4f7b-8bf9-b59a80675384/bin/utaipan-9zjyvhn0QE/data/2903c6977/bf77d41f03064c808f3684e4fad21460 [2021-10-24 10:55:31,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:55:31,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:55:31,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:55:31,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:55:31,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:55:31,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:55:31" (1/1) ... [2021-10-24 10:55:31,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c769b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:31, skipping insertion in model container [2021-10-24 10:55:31,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:55:31" (1/1) ... [2021-10-24 10:55:31,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:55:31,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:55:32,972 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 [2021-10-24 10:55:32,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62a6b634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32, skipping insertion in model container [2021-10-24 10:55:32,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:55:32,974 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:55:32,976 INFO L168 Benchmark]: Toolchain (without parser) took 1451.41 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 40.4 MB in the beginning and 55.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:32,977 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:55:32,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1442.95 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 40.3 MB in the beginning and 55.4 MB in the end (delta: -15.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:32,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1442.95 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 40.3 MB in the beginning and 55.4 MB in the end (delta: -15.1 MB). Peak memory consumption was 11.4 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...