./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ea739b3a087bd6a386ace7b5e48629a141031dda .................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: result.lrVal has to be either HeapLValue or LocalLValue --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 03:33:37,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:33:37,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:33:37,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:33:37,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:33:37,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:33:37,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:33:37,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:33:37,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:33:37,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:33:37,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:33:37,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:33:37,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:33:37,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:33:37,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:33:37,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:33:37,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:33:37,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:33:37,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:33:37,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:33:37,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:33:37,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:33:37,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:33:37,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:33:37,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:33:37,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:33:37,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:33:37,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:33:37,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:33:37,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:33:37,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:33:37,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:33:37,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:33:37,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:33:37,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:33:37,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:33:37,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:33:37,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:33:37,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:33:37,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:33:37,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:33:37,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-11-30 03:33:37,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:33:37,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:33:37,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:33:37,690 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 03:33:37,690 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 03:33:37,690 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 03:33:37,690 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 03:33:37,691 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 03:33:37,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 03:33:37,691 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 03:33:37,692 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 03:33:37,693 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 03:33:37,693 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 03:33:37,693 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 03:33:37,693 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 03:33:37,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:33:37,694 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 03:33:37,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 03:33:37,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:33:37,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:33:37,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:33:37,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:33:37,696 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 03:33:37,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:33:37,696 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:33:37,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:33:37,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:33:37,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:33:37,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 03:33:37,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 03:33:37,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:33:37,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:33:37,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:33:37,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 03:33:37,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 03:33:37,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:33:37,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 03:33:37,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 03:33:37,702 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-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea739b3a087bd6a386ace7b5e48629a141031dda [2020-11-30 03:33:37,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:33:38,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:33:38,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:33:38,011 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:33:38,012 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:33:38,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2020-11-30 03:33:38,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/data/9ffbf7ac1/3b3292bf059441e881b75388d0e18f2d/FLAG890c0e791 [2020-11-30 03:33:39,136 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:33:39,137 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2020-11-30 03:33:39,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/data/9ffbf7ac1/3b3292bf059441e881b75388d0e18f2d/FLAG890c0e791 [2020-11-30 03:33:39,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7f1a9154-77a2-412b-abb3-905cb6312cf3/bin/utaipan/data/9ffbf7ac1/3b3292bf059441e881b75388d0e18f2d [2020-11-30 03:33:39,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:33:39,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:33:39,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:33:39,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:33:39,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:33:39,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:33:39" (1/1) ... [2020-11-30 03:33:39,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1121fa52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:33:39, skipping insertion in model container [2020-11-30 03:33:39,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:33:39" (1/1) ... [2020-11-30 03:33:39,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:33:39,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:33:41,918 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:690) 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:1971) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:192) 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:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 03:33:41,923 INFO L168 Benchmark]: Toolchain (without parser) took 2347.13 ms. Allocated memory is still 88.1 MB. Free memory was 60.1 MB in the beginning and 34.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:33:41,924 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:33:41,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2342.86 ms. Allocated memory is still 88.1 MB. Free memory was 59.8 MB in the beginning and 34.9 MB in the end (delta: 24.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:33:41,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2342.86 ms. Allocated memory is still 88.1 MB. Free memory was 59.8 MB in the beginning and 34.9 MB in the end (delta: 24.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 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...