./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/uniq-2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47b0bc17 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 82a01909b73887274a091afe6fe6c283eee1a37f --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-47b0bc1 [2019-11-20 23:48:12,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:48:12,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:48:12,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:48:12,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:48:12,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:48:12,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:48:12,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:48:12,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:48:12,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:48:12,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:48:12,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:48:12,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:48:12,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:48:12,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:48:12,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:48:12,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:48:12,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:48:12,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:48:12,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:48:12,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:48:12,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:48:12,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:48:12,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:48:12,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:48:12,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:48:12,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:48:12,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:48:12,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:48:12,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:48:12,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:48:12,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:48:12,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:48:12,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:48:12,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:48:12,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:48:12,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:48:12,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:48:12,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:48:12,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:48:12,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:48:12,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-20 23:48:12,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:48:12,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:48:12,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:48:12,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:48:12,704 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:48:12,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:48:12,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:48:12,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:48:12,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:48:12,707 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:48:12,708 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:48:12,709 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:48:12,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:48:12,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:48:12,712 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:48:12,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:48:12,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:48:12,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:48:12,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:48:12,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:48:12,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:48:12,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:48:12,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:48:12,716 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:48:12,716 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:48:12,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:48:12,717 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 82a01909b73887274a091afe6fe6c283eee1a37f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:48:13,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:48:13,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:48:13,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:48:13,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:48:13,334 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:48:13,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2019-11-20 23:48:13,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0839eed/5808c8ca8d16457c9a15c9f748efc17d/FLAG80eb445d7 [2019-11-20 23:48:15,006 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:48:15,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2019-11-20 23:48:15,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0839eed/5808c8ca8d16457c9a15c9f748efc17d/FLAG80eb445d7 [2019-11-20 23:48:15,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0839eed/5808c8ca8d16457c9a15c9f748efc17d [2019-11-20 23:48:15,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:48:15,300 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:48:15,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:48:15,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:48:15,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:48:15,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:48:15" (1/1) ... [2019-11-20 23:48:15,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df2982c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:15, skipping insertion in model container [2019-11-20 23:48:15,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:48:15" (1/1) ... [2019-11-20 23:48:15,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:48:15,523 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:48:17,833 INFO L966 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 [2019-11-20 23:48:17,833 INFO L969 CHandler]: at location: C: (signed int *)((void *)0) [2319] [2019-11-20 23:48:17,834 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:48:17,873 INFO L966 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 [2019-11-20 23:48:17,873 INFO L969 CHandler]: at location: C: (signed int *)((void *)0) [2357] [2019-11-20 23:48:17,874 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:48:17,879 INFO L966 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 [2019-11-20 23:48:17,881 INFO L969 CHandler]: at location: C: (signed int *)((void *)0) [2364] [2019-11-20 23:48:17,881 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:48:17,959 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 [2019-11-20 23:48:17,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5381281b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:17, skipping insertion in model container [2019-11-20 23:48:17,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:48:17,962 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-20 23:48:17,965 INFO L168 Benchmark]: Toolchain (without parser) took 2663.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. [2019-11-20 23:48:17,970 INFO L168 Benchmark]: CDTParser took 1.94 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:48:17,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2651.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. [2019-11-20 23:48:17,980 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.94 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2651.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2490]: 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...