./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/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_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-12 22:49:17,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:49:17,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:49:17,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:49:17,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:49:17,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:49:17,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:49:17,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:49:17,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:49:17,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:49:17,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:49:17,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:49:17,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:49:17,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:49:17,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:49:17,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:49:17,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:49:17,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:49:17,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:49:17,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:49:17,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:49:17,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:49:17,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:49:17,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:49:17,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:49:17,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:49:17,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:49:17,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:49:17,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:49:17,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:49:17,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:49:17,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:49:17,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:49:17,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:49:17,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:49:17,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:49:17,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:49:17,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:49:17,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:49:17,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:49:17,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:49:17,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-12 22:49:17,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:49:17,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:49:17,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:49:17,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:49:17,470 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:49:17,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:49:17,471 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:49:17,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:49:17,471 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:49:17,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:49:17,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:49:17,472 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:49:17,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:49:17,473 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:49:17,473 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:49:17,473 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:49:17,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:49:17,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:49:17,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:49:17,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:49:17,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:49:17,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:49:17,476 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:49:17,476 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:49:17,476 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:49:17,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:49:17,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:49:17,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:49:17,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:49:17,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:49:17,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:49:17,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:49:17,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:49:17,479 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:49:17,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:49:17,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:49:17,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:49:17,480 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_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-11-12 22:49:17,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:49:17,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:49:17,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:49:17,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:49:17,801 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:49:17,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-12 22:49:17,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data/54be0ece9/1f4cefe803274b0293a1d4c901d06862/FLAGcb2cd3bc0 [2021-11-12 22:49:18,670 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:49:18,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-12 22:49:18,701 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data/54be0ece9/1f4cefe803274b0293a1d4c901d06862/FLAGcb2cd3bc0 [2021-11-12 22:49:18,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data/54be0ece9/1f4cefe803274b0293a1d4c901d06862 [2021-11-12 22:49:18,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:49:18,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:49:18,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:49:18,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:49:18,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:49:18,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:49:18" (1/1) ... [2021-11-12 22:49:18,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30172a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:18, skipping insertion in model container [2021-11-12 22:49:18,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:49:18" (1/1) ... [2021-11-12 22:49:18,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:49:18,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:49:20,439 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-12 22:49:20,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40d7b4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:20, skipping insertion in model container [2021-11-12 22:49:20,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:49:20,440 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:49:20,443 INFO L158 Benchmark]: Toolchain (without parser) took 1651.26ms. Allocated memory is still 111.1MB. Free memory was 85.7MB in the beginning and 68.1MB in the end (delta: 17.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-12 22:49:20,443 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:49:20,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1647.61ms. Allocated memory is still 111.1MB. Free memory was 85.7MB in the beginning and 68.1MB in the end (delta: 17.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-12 22:49:20,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1647.61ms. Allocated memory is still 111.1MB. Free memory was 85.7MB in the beginning and 68.1MB in the end (delta: 17.6MB). Peak memory consumption was 14.7MB. 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_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/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_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-12 22:49:22,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:49:22,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:49:22,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:49:22,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:49:22,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:49:22,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:49:22,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:49:22,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:49:22,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:49:22,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:49:22,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:49:22,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:49:22,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:49:22,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:49:22,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:49:22,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:49:22,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:49:22,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:49:22,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:49:22,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:49:22,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:49:22,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:49:22,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:49:22,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:49:22,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:49:22,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:49:22,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:49:22,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:49:22,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:49:22,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:49:22,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:49:22,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:49:22,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:49:23,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:49:23,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:49:23,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:49:23,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:49:23,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:49:23,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:49:23,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:49:23,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-12 22:49:23,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:49:23,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:49:23,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:49:23,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:49:23,080 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:49:23,080 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:49:23,080 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:49:23,081 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:49:23,081 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:49:23,081 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:49:23,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:49:23,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:49:23,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:49:23,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:49:23,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:49:23,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:49:23,085 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:49:23,085 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:49:23,085 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:49:23,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:49:23,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:49:23,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:49:23,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:49:23,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:49:23,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:49:23,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:49:23,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:49:23,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:49:23,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:49:23,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:49:23,088 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:49:23,088 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:49:23,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:49:23,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:49:23,089 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_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-11-12 22:49:23,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:49:23,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:49:23,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:49:23,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:49:23,557 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:49:23,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-12 22:49:23,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data/72f83bb7a/f626d5a183054f748b143aaa135225be/FLAGa2939f979 [2021-11-12 22:49:24,625 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:49:24,626 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-12 22:49:24,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data/72f83bb7a/f626d5a183054f748b143aaa135225be/FLAGa2939f979 [2021-11-12 22:49:25,061 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29875062-c637-4afc-a233-e1116ab74b78/bin/utaipan-vmNK8stdcF/data/72f83bb7a/f626d5a183054f748b143aaa135225be [2021-11-12 22:49:25,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:49:25,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:49:25,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:49:25,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:49:25,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:49:25,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:49:25" (1/1) ... [2021-11-12 22:49:25,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a03056d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:25, skipping insertion in model container [2021-11-12 22:49:25,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:49:25" (1/1) ... [2021-11-12 22:49:25,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:49:25,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:49:26,754 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-12 22:49:26,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39517cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:49:26, skipping insertion in model container [2021-11-12 22:49:26,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:49:26,762 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:49:26,766 INFO L158 Benchmark]: Toolchain (without parser) took 1699.19ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 46.5MB in the beginning and 80.3MB in the end (delta: -33.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-12 22:49:26,771 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:49:26,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1694.73ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 46.2MB in the beginning and 80.3MB in the end (delta: -34.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-12 22:49:26,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1694.73ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 46.2MB in the beginning and 80.3MB in the end (delta: -34.1MB). Peak memory consumption was 21.0MB. 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