./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/du-1.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/du-1.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 a7d0484bd24c57be5f8357c4251bb6e8471d46d9 --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 23:48:03,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:48:03,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:48:03,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:48:03,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:48:03,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:48:03,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:48:03,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:48:03,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:48:03,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:48:03,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:48:03,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:48:03,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:48:03,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:48:03,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:48:03,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:48:03,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:48:03,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:48:03,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:48:03,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:48:03,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:48:03,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:48:03,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:48:03,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:48:03,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:48:03,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:48:03,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:48:03,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:48:03,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:48:03,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:48:03,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:48:03,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:48:03,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:48:03,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:48:03,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:48:03,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:48:03,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:48:03,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:48:03,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:48:03,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:48:03,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:48:03,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-20 23:48:03,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:48:03,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:48:03,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:48:03,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:48:03,498 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:48:03,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:48:03,499 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:48:03,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:48:03,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:48:03,501 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:48:03,502 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:48:03,504 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:48:03,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:48:03,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:48:03,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:48:03,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:48:03,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:48:03,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:48:03,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:48:03,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:48:03,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:48:03,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:48:03,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:48:03,511 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:48:03,511 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:48:03,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:48:03,513 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 -> a7d0484bd24c57be5f8357c4251bb6e8471d46d9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:48:04,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:48:04,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:48:04,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:48:04,156 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:48:04,159 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:48:04,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/du-1.i [2019-11-20 23:48:04,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/330e44503/2f6db0a5e5954b4d8ca049c181760900/FLAG04aa02c13 [2019-11-20 23:48:05,949 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:48:05,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/du-1.i [2019-11-20 23:48:06,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/330e44503/2f6db0a5e5954b4d8ca049c181760900/FLAG04aa02c13 [2019-11-20 23:48:06,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/330e44503/2f6db0a5e5954b4d8ca049c181760900 [2019-11-20 23:48:06,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:48:06,093 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:48:06,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:48:06,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:48:06,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:48:06,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:48:06" (1/1) ... [2019-11-20 23:48:06,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492cd696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:06, skipping insertion in model container [2019-11-20 23:48:06,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:48:06" (1/1) ... [2019-11-20 23:48:06,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:48:06,344 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:48:09,690 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 23:48:09,691 INFO L969 CHandler]: at location: C: (signed int *)((void *)0) [2549] [2019-11-20 23:48:09,691 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:48:09,717 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 23:48:09,720 INFO L969 CHandler]: at location: C: (struct ino_dev_hash_bucket_struct *)return_value_xmalloc$2 [2569] [2019-11-20 23:48:09,720 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:48:09,734 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 23:48:09,735 INFO L969 CHandler]: at location: C: (struct ino_dev_hash_bucket_struct **)((void *)0) [2574] [2019-11-20 23:48:09,736 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:48:09,746 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 23:48:09,747 INFO L969 CHandler]: at location: C: (struct ino_dev_hash_bucket_struct **)return_value_xzalloc$3 [2577] [2019-11-20 23:48:09,747 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:48:09,773 ERROR L323 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-11-20 23:48:09,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c3d0e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:09, skipping insertion in model container [2019-11-20 23:48:09,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:48:09,780 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-20 23:48:09,789 INFO L168 Benchmark]: Toolchain (without parser) took 3689.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 966.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 12.5 GB. [2019-11-20 23:48:09,790 INFO L168 Benchmark]: CDTParser took 2.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:48:09,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3682.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 966.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 12.5 GB. [2019-11-20 23:48:09,798 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 3682.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 966.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2629]: 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...