./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.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_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/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 66a5df790a6647facb2d4933df62cef196c8dce9 .............................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: result.lrVal has to be either HeapLValue or LocalLValue --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:42:49,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:42:49,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:42:49,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:42:49,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:42:49,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:42:49,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:42:49,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:42:49,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:42:49,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:42:49,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:42:49,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:42:49,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:42:49,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:42:49,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:42:49,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:42:49,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:42:49,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:42:49,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:42:49,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:42:49,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:42:49,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:42:49,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:42:49,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:42:49,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:42:49,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:42:49,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:42:49,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:42:49,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:42:49,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:42:49,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:42:49,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:42:49,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:42:49,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:42:49,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:42:49,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:42:49,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:42:49,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:42:49,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:42:49,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:42:49,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:42:49,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2019-11-26 02:42:50,005 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:42:50,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:42:50,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:42:50,006 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:42:50,007 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:42:50,007 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:42:50,007 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:42:50,007 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:42:50,007 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:42:50,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:42:50,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:42:50,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:42:50,008 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:42:50,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:42:50,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:42:50,009 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:42:50,009 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:42:50,009 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:42:50,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:42:50,009 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:42:50,010 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:42:50,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:42:50,010 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:42:50,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:42:50,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:42:50,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:42:50,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:42:50,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:42:50,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:42:50,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:42:50,011 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:42:50,012 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:42:50,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:42:50,012 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_176b652c-a513-4f10-ad2f-981df6f9bf6c/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 -> 66a5df790a6647facb2d4933df62cef196c8dce9 [2019-11-26 02:42:50,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:42:50,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:42:50,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:42:50,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:42:50,205 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:42:50,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2019-11-26 02:42:50,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/data/62446ce35/09fcaf2a83cd4149826a33582c0c77ed/FLAG1384cf92a [2019-11-26 02:42:51,021 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:42:51,021 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2019-11-26 02:42:51,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/data/62446ce35/09fcaf2a83cd4149826a33582c0c77ed/FLAG1384cf92a [2019-11-26 02:42:51,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_176b652c-a513-4f10-ad2f-981df6f9bf6c/bin/utaipan/data/62446ce35/09fcaf2a83cd4149826a33582c0c77ed [2019-11-26 02:42:51,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:42:51,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:42:51,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:42:51,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:42:51,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:42:51,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:42:51" (1/1) ... [2019-11-26 02:42:51,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c000cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:51, skipping insertion in model container [2019-11-26 02:42:51,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:42:51" (1/1) ... [2019-11-26 02:42:51,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:42:51,654 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:42:53,759 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 02:42:53,759 INFO L968 CHandler]: at location: C: (signed int *)((void *)0) [2718] [2019-11-26 02:42:53,760 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:42:53,769 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: result.lrVal has to be either HeapLValue or LocalLValue at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ArrayHandler.handleArraySubscriptExpression(ArrayHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:684) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:288) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1919) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:993) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:42:53,775 INFO L168 Benchmark]: Toolchain (without parser) took 2211.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:53,776 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:42:53,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2209.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:53,778 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2209.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: result.lrVal has to be either HeapLValue or LocalLValue de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: result.lrVal has to be either HeapLValue or LocalLValue: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ArrayHandler.handleArraySubscriptExpression(ArrayHandler.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...