java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BIN-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem05_label06_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0cd3be1 [2018-11-27 23:23:22,424 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-27 23:23:22,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-27 23:23:22,440 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-27 23:23:22,441 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-27 23:23:22,444 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-27 23:23:22,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-27 23:23:22,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-27 23:23:22,452 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-27 23:23:22,454 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-27 23:23:22,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-27 23:23:22,455 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-27 23:23:22,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-27 23:23:22,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-27 23:23:22,463 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-27 23:23:22,464 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-27 23:23:22,465 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-27 23:23:22,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-27 23:23:22,470 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-27 23:23:22,472 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-27 23:23:22,481 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-27 23:23:22,482 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-27 23:23:22,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-27 23:23:22,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-27 23:23:22,488 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-27 23:23:22,491 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-27 23:23:22,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-27 23:23:22,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-27 23:23:22,496 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-27 23:23:22,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-27 23:23:22,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-27 23:23:22,500 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-27 23:23:22,503 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-27 23:23:22,504 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-27 23:23:22,505 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-27 23:23:22,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-27 23:23:22,506 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-27 23:23:22,521 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-27 23:23:22,521 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-27 23:23:22,522 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-27 23:23:22,522 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-27 23:23:22,523 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-27 23:23:22,523 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-27 23:23:22,523 INFO L133 SettingsManager]: * Use SBE=true [2018-11-27 23:23:22,524 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-27 23:23:22,524 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-27 23:23:22,524 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-27 23:23:22,524 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-27 23:23:22,524 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-27 23:23:22,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-27 23:23:22,525 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-27 23:23:22,525 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-27 23:23:22,525 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-27 23:23:22,525 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-27 23:23:22,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-27 23:23:22,526 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-27 23:23:22,526 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-27 23:23:22,526 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-27 23:23:22,526 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-27 23:23:22,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-27 23:23:22,527 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-27 23:23:22,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-27 23:23:22,527 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-27 23:23:22,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-27 23:23:22,528 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-27 23:23:22,530 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-27 23:23:22,530 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-27 23:23:22,530 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-27 23:23:22,530 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-27 23:23:22,530 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-27 23:23:22,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-27 23:23:22,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-27 23:23:22,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-27 23:23:22,602 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-27 23:23:22,602 INFO L276 PluginConnector]: CDTParser initialized [2018-11-27 23:23:22,603 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label06_true-unreach-call.c [2018-11-27 23:23:22,674 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c083757a7/37b91e6a93d64bfdba61d98ccb986ff0/FLAGadb58e391 [2018-11-27 23:23:23,652 INFO L307 CDTParser]: Found 1 translation units. [2018-11-27 23:23:23,653 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label06_true-unreach-call.c [2018-11-27 23:23:23,704 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c083757a7/37b91e6a93d64bfdba61d98ccb986ff0/FLAGadb58e391 [2018-11-27 23:23:24,041 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c083757a7/37b91e6a93d64bfdba61d98ccb986ff0 [2018-11-27 23:23:24,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-27 23:23:24,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-27 23:23:24,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-27 23:23:24,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-27 23:23:24,057 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-27 23:23:24,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:24" (1/1) ... [2018-11-27 23:23:24,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60897569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:24, skipping insertion in model container [2018-11-27 23:23:24,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:24" (1/1) ... [2018-11-27 23:23:24,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-27 23:23:24,363 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-27 23:23:27,034 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-27 23:23:27,046 INFO L191 MainTranslator]: Completed pre-run [2018-11-27 23:23:28,746 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-27 23:23:29,392 INFO L195 MainTranslator]: Completed translation [2018-11-27 23:23:29,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29 WrapperNode [2018-11-27 23:23:29,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-27 23:23:29,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-27 23:23:29,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-27 23:23:29,395 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-27 23:23:29,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2018-11-27 23:23:29,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2018-11-27 23:23:29,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-27 23:23:29,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-27 23:23:29,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-27 23:23:29,508 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-27 23:23:29,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2018-11-27 23:23:29,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2018-11-27 23:23:29,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2018-11-27 23:23:29,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2018-11-27 23:23:29,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2018-11-27 23:23:29,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2018-11-27 23:23:29,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... [2018-11-27 23:23:30,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-27 23:23:30,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-27 23:23:30,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-27 23:23:30,008 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-27 23:23:30,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-27 23:23:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-27 23:23:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-27 23:23:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2018-11-27 23:23:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2018-11-27 23:23:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2018-11-27 23:23:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2018-11-27 23:23:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-27 23:23:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-27 23:23:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-27 23:23:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-27 23:23:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-27 23:23:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-27 23:23:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-27 23:23:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-27 23:23:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-27 23:23:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-27 23:23:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-27 23:23:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-27 23:23:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-27 23:23:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-27 23:23:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-27 23:23:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-27 23:23:50,522 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-27 23:23:50,523 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-27 23:23:50,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:23:50 BoogieIcfgContainer [2018-11-27 23:23:50,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-27 23:23:50,526 INFO L168 Benchmark]: Toolchain (without parser) took 26475.65 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -366.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-11-27 23:23:50,528 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-27 23:23:50,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5340.88 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 548.6 MB. Max. memory is 7.1 GB. [2018-11-27 23:23:50,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.82 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2018-11-27 23:23:50,530 INFO L168 Benchmark]: Boogie Preprocessor took 499.14 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. [2018-11-27 23:23:50,531 INFO L168 Benchmark]: RCFGBuilder took 20516.70 ms. Allocated memory was 2.5 GB in the beginning and 2.6 GB in the end (delta: 113.2 MB). Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 574.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-11-27 23:23:50,536 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 5340.88 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 548.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 112.82 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 499.14 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 20516.70 ms. Allocated memory was 2.5 GB in the beginning and 2.6 GB in the end (delta: 113.2 MB). Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 574.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...