./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P --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 d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:46:24,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:46:24,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:46:24,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:46:24,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:46:24,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:46:24,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:46:24,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:46:24,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:46:24,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:46:24,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:46:24,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:46:24,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:46:24,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:46:24,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:46:24,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:46:24,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:46:24,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:46:24,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:46:24,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:46:24,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:46:24,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:46:24,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:46:24,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:46:24,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:46:24,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:46:24,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:46:24,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:46:24,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:46:24,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:46:24,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:46:24,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:46:24,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:46:24,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:46:24,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:46:24,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:46:24,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:46:24,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:46:24,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:46:24,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:46:24,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:46:24,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-21 01:46:24,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:46:24,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:46:24,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:46:24,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:46:24,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:46:24,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:46:24,439 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:46:24,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:46:24,440 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:46:24,440 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:46:24,441 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:46:24,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:46:24,442 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:46:24,442 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:46:24,443 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:46:24,443 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:46:24,443 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:46:24,444 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:46:24,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 01:46:24,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 01:46:24,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:46:24,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:46:24,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:46:24,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:46:24,448 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 01:46:24,449 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 01:46:24,449 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 01:46:24,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:46:24,450 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 01:46:24,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:46:24,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:46:24,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:46:24,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:24,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:46:24,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:46:24,452 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:46:24,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:46:24,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:46:24,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:46:24,453 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_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-11-21 01:46:24,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:46:24,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:46:24,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:46:24,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:46:24,896 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:46:24,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-21 01:46:25,016 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data/beea91cf8/3ef5d392e9484ccfae7f483136640d4f/FLAG7c2815b0d [2021-11-21 01:46:26,027 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:46:26,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-21 01:46:26,077 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data/beea91cf8/3ef5d392e9484ccfae7f483136640d4f/FLAG7c2815b0d [2021-11-21 01:46:26,503 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data/beea91cf8/3ef5d392e9484ccfae7f483136640d4f [2021-11-21 01:46:26,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:46:26,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:46:26,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:26,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:46:26,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:46:26,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:26" (1/1) ... [2021-11-21 01:46:26,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799b9c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:26, skipping insertion in model container [2021-11-21 01:46:26,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:26" (1/1) ... [2021-11-21 01:46:26,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:46:26,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:46:28,399 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-21 01:46:28,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11c4f6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:28, skipping insertion in model container [2021-11-21 01:46:28,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:28,401 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:46:28,405 INFO L158 Benchmark]: Toolchain (without parser) took 1894.85ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 68.4MB in the beginning and 91.9MB in the end (delta: -23.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-21 01:46:28,406 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:46:28,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1890.90ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 68.0MB in the beginning and 91.9MB in the end (delta: -23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-21 01:46:28,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1890.90ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 68.0MB in the beginning and 91.9MB in the end (delta: -23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P --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 d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:46:31,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:46:31,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:46:31,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:46:31,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:46:31,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:46:31,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:46:31,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:46:31,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:46:31,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:46:31,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:46:31,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:46:31,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:46:31,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:46:31,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:46:31,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:46:31,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:46:31,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:46:31,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:46:31,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:46:31,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:46:31,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:46:31,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:46:31,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:46:31,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:46:31,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:46:31,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:46:31,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:46:31,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:46:31,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:46:31,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:46:31,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:46:31,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:46:31,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:46:31,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:46:31,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:46:31,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:46:31,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:46:31,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:46:31,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:46:31,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:46:31,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-21 01:46:31,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:46:31,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:46:31,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:46:31,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:46:31,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:46:31,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:46:31,493 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:46:31,494 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:46:31,494 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:46:31,494 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:46:31,495 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:46:31,495 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:46:31,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 01:46:31,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 01:46:31,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:46:31,497 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:46:31,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:46:31,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:46:31,498 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 01:46:31,498 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 01:46:31,498 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 01:46:31,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:46:31,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 01:46:31,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:46:31,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:46:31,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:46:31,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:46:31,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:46:31,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:46:31,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:31,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:46:31,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:46:31,502 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:46:31,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:46:31,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:46:31,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:46:31,504 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_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-11-21 01:46:31,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:46:31,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:46:31,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:46:32,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:46:32,001 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:46:32,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-21 01:46:32,094 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data/95bbe49dc/a2feeb4cc2bf48ceb2394254a08d15ab/FLAGc87b7d8cc [2021-11-21 01:46:33,252 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:46:33,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-21 01:46:33,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data/95bbe49dc/a2feeb4cc2bf48ceb2394254a08d15ab/FLAGc87b7d8cc [2021-11-21 01:46:33,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d1b294-44b7-4788-bff4-a2cecb1c7096/bin/utaipan-TEXQjIfE4P/data/95bbe49dc/a2feeb4cc2bf48ceb2394254a08d15ab [2021-11-21 01:46:33,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:46:33,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:46:33,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:33,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:46:33,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:46:33,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:33" (1/1) ... [2021-11-21 01:46:33,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d594aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:33, skipping insertion in model container [2021-11-21 01:46:33,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:33" (1/1) ... [2021-11-21 01:46:33,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:46:33,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:46:35,818 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-21 01:46:35,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b096344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:35, skipping insertion in model container [2021-11-21 01:46:35,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:35,819 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:46:35,822 INFO L158 Benchmark]: Toolchain (without parser) took 2163.25ms. Allocated memory was 48.2MB in the beginning and 67.1MB in the end (delta: 18.9MB). Free memory was 27.3MB in the beginning and 42.1MB in the end (delta: -14.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-21 01:46:35,823 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 48.2MB. Free memory was 29.5MB in the beginning and 29.5MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:46:35,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2146.17ms. Allocated memory was 48.2MB in the beginning and 67.1MB in the end (delta: 18.9MB). Free memory was 27.1MB in the beginning and 42.4MB in the end (delta: -15.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-21 01:46:35,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 48.2MB. Free memory was 29.5MB in the beginning and 29.5MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2146.17ms. Allocated memory was 48.2MB in the beginning and 67.1MB in the end (delta: 18.9MB). Free memory was 27.1MB in the beginning and 42.4MB in the end (delta: -15.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN