./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan --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 e7cd42f72359dc663e8585d3cb644c2788991958 ................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:04:47,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:04:47,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:04:47,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:04:47,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:04:47,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:04:47,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:04:47,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:04:47,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:04:47,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:04:47,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:04:47,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:04:47,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:04:47,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:04:47,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:04:47,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:04:47,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:04:47,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:04:47,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:04:47,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:04:47,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:04:47,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:04:47,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:04:47,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:04:47,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:04:47,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:04:47,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:04:47,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:04:47,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:04:47,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:04:47,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:04:47,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:04:47,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:04:47,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:04:47,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:04:47,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:04:47,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:04:47,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:04:47,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:04:47,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:04:47,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:04:47,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2019-11-26 02:04:47,530 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:04:47,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:04:47,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:04:47,531 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:04:47,531 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:04:47,531 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:04:47,532 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:04:47,532 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:04:47,532 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:04:47,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:04:47,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:04:47,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:04:47,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:04:47,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:04:47,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:04:47,534 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:04:47,534 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:04:47,534 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:04:47,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:04:47,535 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:04:47,535 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:04:47,535 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:04:47,535 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:04:47,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:04:47,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:04:47,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:04:47,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:04:47,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:04:47,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:04:47,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:04:47,537 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:04:47,537 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:04:47,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:04:47,538 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan 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 -> e7cd42f72359dc663e8585d3cb644c2788991958 [2019-11-26 02:04:47,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:04:47,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:04:47,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:04:47,697 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:04:47,697 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:04:47,698 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2019-11-26 02:04:47,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/data/662a8c838/b916110df2094098921a06ffb400d9b8/FLAG6b37f1978 [2019-11-26 02:04:48,422 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:04:48,423 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2019-11-26 02:04:48,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/data/662a8c838/b916110df2094098921a06ffb400d9b8/FLAG6b37f1978 [2019-11-26 02:04:48,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_65d6eb7d-3349-407e-beb5-9ea2b9a6659e/bin/utaipan/data/662a8c838/b916110df2094098921a06ffb400d9b8 [2019-11-26 02:04:48,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:04:48,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:04:48,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:04:48,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:04:48,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:04:48,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:04:48" (1/1) ... [2019-11-26 02:04:48,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43afd5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:48, skipping insertion in model container [2019-11-26 02:04:48,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:04:48" (1/1) ... [2019-11-26 02:04:48,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:04:48,856 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:04:49,848 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:04:49,848 INFO L968 CHandler]: at location: C: (signed int *)((void *)0) [2194] [2019-11-26 02:04:49,849 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:04:49,891 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:04:49,892 INFO L968 CHandler]: at location: C: (struct _IO_FILE *)((void *)0) [2312] [2019-11-26 02:04:49,892 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:04:49,908 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:04:49,909 INFO L968 CHandler]: at location: C: __builtin_va_arg(p,__typeof__(on_off->optarg)) [2378] [2019-11-26 02:04:49,909 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:04:49,916 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:04:49,917 INFO L968 CHandler]: at location: C: (struct option *)return_value___builtin_alloca$3 [2406] [2019-11-26 02:04:49,917 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:04:49,924 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:04:49,924 INFO L968 CHandler]: at location: C: (signed int *)((void *)0) [2431] [2019-11-26 02:04:49,925 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:04:49,928 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:04:49,928 INFO L968 CHandler]: at location: C: __builtin_va_arg(p,__typeof__(on_off->optarg)) [2442] [2019-11-26 02:04:49,929 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:04:49,953 ERROR L323 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2019-11-26 02:04:49,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51de10c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:04:49, skipping insertion in model container [2019-11-26 02:04:49,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:04:49,955 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 02:04:49,957 INFO L168 Benchmark]: Toolchain (without parser) took 1188.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:49,958 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:04:49,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1186.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:04:49,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1186.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2522]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...