./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-emulex-benet-be2net_true-unreach-call.cil.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-emulex-benet-be2net_true-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default-EXP.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10214e756252ec1614e6e76ffd354dcab88c3b6f ...................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-emulex-benet-be2net_true-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10214e756252ec1614e6e76ffd354dcab88c3b6f ................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:02:03,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:02:03,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:02:03,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:02:03,072 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:02:03,073 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:02:03,074 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:02:03,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:02:03,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:02:03,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:02:03,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:02:03,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:02:03,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:02:03,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:02:03,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:02:03,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:02:03,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:02:03,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:02:03,085 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:02:03,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:02:03,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:02:03,089 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:02:03,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:02:03,091 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:02:03,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:02:03,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:02:03,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:02:03,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:02:03,094 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:02:03,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:02:03,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:02:03,096 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:02:03,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:02:03,097 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:02:03,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:02:03,098 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:02:03,098 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-26 21:02:03,110 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:02:03,110 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:02:03,111 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:02:03,111 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:02:03,111 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:02:03,112 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:02:03,112 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-26 21:02:03,113 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:02:03,113 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-26 21:02:03,113 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:02:03,113 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-26 21:02:03,113 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:02:03,113 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:02:03,113 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:02:03,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:02:03,114 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:02:03,114 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:02:03,115 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:02:03,115 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:02:03,115 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:02:03,115 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:02:03,115 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:02:03,115 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:02:03,115 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:02:03,116 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:02:03,116 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:02:03,118 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:02:03,118 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:02:03,118 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:02:03,118 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:02:03,118 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:02:03,118 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:02:03,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:02:03,119 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:02:03,119 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 21:02:03,119 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/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 ! call(__VERIFIER_error())) ) 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 -> 10214e756252ec1614e6e76ffd354dcab88c3b6f [2018-10-26 21:02:03,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:02:03,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:02:03,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:02:03,162 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:02:03,162 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:02:03,163 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-emulex-benet-be2net_true-unreach-call.cil.c [2018-10-26 21:02:03,210 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data/4956c925d/a275d2f050cb4d968de7fbd4da2055a1/FLAG756425404 [2018-10-26 21:02:04,106 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:02:04,107 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-emulex-benet-be2net_true-unreach-call.cil.c [2018-10-26 21:02:04,191 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data/4956c925d/a275d2f050cb4d968de7fbd4da2055a1/FLAG756425404 [2018-10-26 21:02:04,206 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data/4956c925d/a275d2f050cb4d968de7fbd4da2055a1 [2018-10-26 21:02:04,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:02:04,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:02:04,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:02:04,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:02:04,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:02:04,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:02:04" (1/1) ... [2018-10-26 21:02:04,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a857a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:04, skipping insertion in model container [2018-10-26 21:02:04,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:02:04" (1/1) ... [2018-10-26 21:02:04,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:02:04,478 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:02:09,273 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractBooleanValue(TypeSizes.java:432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValueInteger(TypeSizes.java:391) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:179) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleBitshiftOperation(CHandler.java:3728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:662) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:932) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:995) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:519) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1776) 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:960) 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.visit(CHandler.java:960) 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:364) 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:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) 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:188) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 21:02:09,281 INFO L168 Benchmark]: Toolchain (without parser) took 5070.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 925.2 MB in the beginning and 972.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 247.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:02:09,283 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:02:09,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5067.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 925.2 MB in the beginning and 972.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 247.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:02:09,286 INFO L336 ainManager$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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 5067.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 925.2 MB in the beginning and 972.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 247.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractBooleanValue(TypeSizes.java:432) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:02:11,007 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:02:11,009 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:02:11,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:02:11,019 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:02:11,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:02:11,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:02:11,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:02:11,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:02:11,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:02:11,026 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:02:11,026 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:02:11,027 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:02:11,028 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:02:11,029 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:02:11,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:02:11,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:02:11,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:02:11,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:02:11,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:02:11,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:02:11,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:02:11,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:02:11,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:02:11,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:02:11,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:02:11,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:02:11,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:02:11,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:02:11,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:02:11,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:02:11,044 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:02:11,044 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:02:11,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:02:11,045 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:02:11,046 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:02:11,046 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-10-26 21:02:11,058 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:02:11,058 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:02:11,059 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:02:11,059 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:02:11,059 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:02:11,059 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:02:11,059 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:02:11,059 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:02:11,060 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:02:11,060 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:02:11,060 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:02:11,060 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:02:11,061 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:02:11,061 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:02:11,061 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:02:11,061 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:02:11,061 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:02:11,061 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:02:11,061 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:02:11,062 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:02:11,062 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:02:11,062 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:02:11,062 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:02:11,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:02:11,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:02:11,063 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:02:11,063 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:02:11,063 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:02:11,063 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:02:11,063 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/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 ! call(__VERIFIER_error())) ) 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 -> 10214e756252ec1614e6e76ffd354dcab88c3b6f [2018-10-26 21:02:11,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:02:11,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:02:11,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:02:11,110 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:02:11,111 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:02:11,111 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-emulex-benet-be2net_true-unreach-call.cil.c [2018-10-26 21:02:11,156 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data/e8d2e3b8c/5d7bddf9c6324afe9cfbf6fc0ede8f56/FLAGb23398f53 [2018-10-26 21:02:12,085 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:02:12,085 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-emulex-benet-be2net_true-unreach-call.cil.c [2018-10-26 21:02:12,159 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data/e8d2e3b8c/5d7bddf9c6324afe9cfbf6fc0ede8f56/FLAGb23398f53 [2018-10-26 21:02:12,171 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d05c776-c0dc-4e71-a75c-eec395a01af7/bin-2019/utaipan/data/e8d2e3b8c/5d7bddf9c6324afe9cfbf6fc0ede8f56 [2018-10-26 21:02:12,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:02:12,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:02:12,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:02:12,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:02:12,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:02:12,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:02:12" (1/1) ... [2018-10-26 21:02:12,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf80772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:12, skipping insertion in model container [2018-10-26 21:02:12,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:02:12" (1/1) ... [2018-10-26 21:02:12,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:02:12,536 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:02:27,566 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:02:27,782 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:02:32,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:02:34,794 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:02:34,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:34 WrapperNode [2018-10-26 21:02:34,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:02:34,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:02:34,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:02:34,796 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:02:34,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:34" (1/1) ... [2018-10-26 21:02:34,881 ERROR L1123 TypeChecker]: : Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret4911,]],be_get_sset_count,[IdentifierExpression[#~2930,],IdentifierExpression[#~2931,]]] [2018-10-26 21:02:34,883 ERROR L1123 TypeChecker]: : Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret4910,]],be_set_phys_id,[IdentifierExpression[#~2930,],IdentifierExpression[#~2931,]]] [2018-10-26 21:02:34,884 ERROR L1123 TypeChecker]: : Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret4909,]],be_change_mtu,[IdentifierExpression[#~2930,],IdentifierExpression[#~2931,]]] [2018-10-26 21:02:34,885 ERROR L1123 TypeChecker]: : Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret4908,]],be_poll,[IdentifierExpression[#~2930,],IdentifierExpression[#~2931,]]] [2018-10-26 21:02:34,931 ERROR L1123 TypeChecker]: C: be_ethtool_ops [17871]: Undeclared identifier ~#be_ethtool_ops~0 in IdentifierExpression[~#be_ethtool_ops~0,GLOBAL] [2018-10-26 21:02:34,931 ERROR L1123 TypeChecker]: C: netdev->ethtool_ops = & be_ethtool_ops [17871]: Wrong parameter type at index 0: CallStatement[false,[],write~$Pointer$,[IdentifierExpression[~#be_ethtool_ops~0,GLOBAL],StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~netdev,],base],FunctionApplication[~bvadd32,[StructAccessExpression[IdentifierExpression[~netdev,],offset],BitvecLiteral[476,32]]]]],BitvecLiteral[8,32]]] [2018-10-26 21:02:34,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:34" (1/1) ... [2018-10-26 21:02:34,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:02:34,972 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-10-26 21:02:34,973 INFO L168 Benchmark]: Toolchain (without parser) took 22796.54 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 912.6 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-10-26 21:02:34,976 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:02:34,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 22617.93 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 912.6 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-10-26 21:02:34,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.57 ms. Allocated memory is still 3.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 213.6 kB). Peak memory consumption was 213.6 kB. Max. memory is 11.5 GB. [2018-10-26 21:02:34,979 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 22617.93 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 912.6 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 175.57 ms. Allocated memory is still 3.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 213.6 kB). Peak memory consumption was 213.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret4911,]],be_get_sset_count,[IdentifierExpression[#~2930,],IdentifierExpression[#~2931,]]] - TypeErrorResult [Line: -1]: Type Error Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret4910,]],be_set_phys_id,[IdentifierExpression[#~2930,],IdentifierExpression[#~2931,]]] - TypeErrorResult [Line: -1]: Type Error Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret4909,]],be_change_mtu,[IdentifierExpression[#~2930,],IdentifierExpression[#~2931,]]] - TypeErrorResult [Line: -1]: Type Error Wrong parameter type at index 1: CallStatement[false,[VariableLHS[#t~ret4908,]],be_poll,[IdentifierExpression[#~2930,],IdentifierExpression[#~2931,]]] - TypeErrorResult [Line: 17871]: Type Error Undeclared identifier ~#be_ethtool_ops~0 in IdentifierExpression[~#be_ethtool_ops~0,GLOBAL] - TypeErrorResult [Line: 17871]: Type Error Wrong parameter type at index 0: CallStatement[false,[],write~$Pointer$,[IdentifierExpression[~#be_ethtool_ops~0,GLOBAL],StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~netdev,],base],FunctionApplication[~bvadd32,[StructAccessExpression[IdentifierExpression[~netdev,],offset],BitvecLiteral[476,32]]]]],BitvecLiteral[8,32]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...