./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.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_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/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_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/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_23eacc19-f5e3-474d-a590-daa17bd1c083/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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:50:09,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:50:09,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:50:09,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:50:09,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:50:09,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:50:09,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:50:09,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:50:09,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:50:09,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:50:09,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:50:09,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:50:09,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:50:09,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:50:09,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:50:09,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:50:09,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:50:09,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:50:09,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:50:09,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:50:09,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:50:09,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:50:09,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:50:09,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:50:09,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:50:09,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:50:09,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:50:09,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:50:09,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:50:09,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:50:09,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:50:09,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:50:09,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:50:09,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:50:09,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:50:09,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:50:09,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:50:09,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:50:09,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:50:09,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:50:09,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:50:09,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-12 22:50:09,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:50:09,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:50:09,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:50:09,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:50:09,560 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:50:09,560 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:50:09,561 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:50:09,561 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:50:09,561 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:50:09,561 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:50:09,561 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:50:09,562 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:50:09,562 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:50:09,562 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:50:09,562 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:50:09,562 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:50:09,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:50:09,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:50:09,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:50:09,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:50:09,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:50:09,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:50:09,564 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:50:09,564 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:50:09,564 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:50:09,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:50:09,565 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:50:09,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:50:09,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:50:09,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:50:09,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:50:09,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:50:09,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:50:09,566 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:50:09,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:50:09,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:50:09,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:50:09,567 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_23eacc19-f5e3-474d-a590-daa17bd1c083/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2021-11-12 22:50:09,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:50:09,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:50:09,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:50:09,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:50:09,831 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:50:09,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-11-12 22:50:09,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data/be7211957/716a4b2bfa054f0391fe7bed9c02cb0e/FLAG1784b1630 [2021-11-12 22:50:10,656 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:50:10,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-11-12 22:50:10,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data/be7211957/716a4b2bfa054f0391fe7bed9c02cb0e/FLAG1784b1630 [2021-11-12 22:50:10,923 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data/be7211957/716a4b2bfa054f0391fe7bed9c02cb0e [2021-11-12 22:50:10,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:50:10,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:50:10,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:50:10,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:50:10,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:50:10,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:50:10" (1/1) ... [2021-11-12 22:50:10,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3619f53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:50:10, skipping insertion in model container [2021-11-12 22:50:10,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:50:10" (1/1) ... [2021-11-12 22:50:10,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:50:11,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:50:12,305 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 22:50:12,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b94ed20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:50:12, skipping insertion in model container [2021-11-12 22:50:12,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:50:12,307 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:50:12,309 INFO L158 Benchmark]: Toolchain (without parser) took 1381.39ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 52.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 22:50:12,309 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:50:12,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1379.14ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 52.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 22:50:12,312 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 90.2MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1379.14ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 52.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/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_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/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_23eacc19-f5e3-474d-a590-daa17bd1c083/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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:50:14,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:50:14,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:50:14,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:50:14,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:50:14,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:50:14,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:50:14,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:50:14,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:50:14,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:50:14,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:50:14,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:50:14,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:50:14,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:50:14,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:50:14,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:50:14,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:50:14,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:50:14,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:50:14,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:50:14,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:50:14,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:50:14,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:50:14,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:50:14,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:50:14,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:50:14,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:50:14,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:50:14,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:50:14,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:50:14,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:50:14,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:50:14,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:50:14,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:50:14,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:50:14,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:50:14,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:50:14,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:50:14,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:50:14,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:50:14,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:50:14,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-12 22:50:14,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:50:14,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:50:14,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:50:14,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:50:14,767 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:50:14,767 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:50:14,768 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:50:14,768 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:50:14,768 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:50:14,768 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:50:14,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:50:14,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:50:14,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:50:14,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:50:14,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:50:14,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:50:14,772 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:50:14,773 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:50:14,773 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:50:14,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:50:14,773 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:50:14,774 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:50:14,774 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:50:14,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:50:14,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:50:14,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:50:14,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:50:14,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:50:14,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:50:14,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:50:14,776 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:50:14,776 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:50:14,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:50:14,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:50:14,777 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_23eacc19-f5e3-474d-a590-daa17bd1c083/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2021-11-12 22:50:15,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:50:15,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:50:15,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:50:15,197 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:50:15,198 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:50:15,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-11-12 22:50:15,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data/df9a39a4e/3156ee8cade3450d9e1d0d0f94ce10ec/FLAGfb9f28eb7 [2021-11-12 22:50:16,084 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:50:16,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-11-12 22:50:16,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data/df9a39a4e/3156ee8cade3450d9e1d0d0f94ce10ec/FLAGfb9f28eb7 [2021-11-12 22:50:16,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eacc19-f5e3-474d-a590-daa17bd1c083/bin/utaipan-vmNK8stdcF/data/df9a39a4e/3156ee8cade3450d9e1d0d0f94ce10ec [2021-11-12 22:50:16,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:50:16,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:50:16,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:50:16,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:50:16,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:50:16,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:50:16" (1/1) ... [2021-11-12 22:50:16,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1106e1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:50:16, skipping insertion in model container [2021-11-12 22:50:16,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:50:16" (1/1) ... [2021-11-12 22:50:16,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:50:16,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:50:17,656 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 22:50:17,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bcfd7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:50:17, skipping insertion in model container [2021-11-12 22:50:17,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:50:17,662 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:50:17,666 INFO L158 Benchmark]: Toolchain (without parser) took 1429.36ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 34.3MB in the beginning and 49.8MB in the end (delta: -15.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-12 22:50:17,668 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:50:17,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1424.77ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 34.1MB in the beginning and 49.8MB in the end (delta: -15.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-12 22:50:17,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1424.77ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 34.1MB in the beginning and 49.8MB in the end (delta: -15.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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