java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:02:40,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:02:40,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:02:40,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:02:40,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:02:40,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:02:40,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:02:40,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:02:40,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:02:40,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:02:40,994 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:02:40,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:02:40,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:02:40,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:02:40,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:02:40,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:02:40,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:02:41,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:02:41,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:02:41,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:02:41,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:02:41,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:02:41,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:02:41,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:02:41,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:02:41,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:02:41,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:02:41,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:02:41,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:02:41,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:02:41,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:02:41,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:02:41,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:02:41,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:02:41,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:02:41,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:02:41,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-08 10:02:41,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:02:41,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:02:41,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:02:41,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:02:41,035 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:02:41,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:02:41,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:02:41,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:02:41,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:02:41,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:02:41,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:02:41,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:02:41,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:02:41,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:02:41,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:02:41,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:02:41,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:02:41,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:02:41,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:02:41,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:02:41,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:02:41,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:02:41,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:02:41,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:02:41,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:02:41,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:02:41,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:02:41,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:02:41,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:02:41,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:02:41,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:02:41,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:02:41,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:02:41,086 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:02:41,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label57.c [2019-08-08 10:02:41,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d7b59b2/5faca525444645e08486eaadf8231d60/FLAGda715ee27 [2019-08-08 10:02:41,779 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:02:41,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label57.c [2019-08-08 10:02:41,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d7b59b2/5faca525444645e08486eaadf8231d60/FLAGda715ee27 [2019-08-08 10:02:42,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d7b59b2/5faca525444645e08486eaadf8231d60 [2019-08-08 10:02:42,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:02:42,027 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:02:42,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:02:42,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:02:42,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:02:42,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:02:42" (1/1) ... [2019-08-08 10:02:42,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec297d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:42, skipping insertion in model container [2019-08-08 10:02:42,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:02:42" (1/1) ... [2019-08-08 10:02:42,043 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:02:42,113 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:02:42,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:02:42,889 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:02:43,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:02:43,232 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:02:43,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:43 WrapperNode [2019-08-08 10:02:43,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:02:43,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:02:43,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:02:43,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:02:43,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:43" (1/1) ... [2019-08-08 10:02:43,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:43" (1/1) ... [2019-08-08 10:02:43,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:43" (1/1) ... [2019-08-08 10:02:43,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:43" (1/1) ... [2019-08-08 10:02:43,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:43" (1/1) ... [2019-08-08 10:02:43,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:43" (1/1) ... [2019-08-08 10:02:43,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:43" (1/1) ... [2019-08-08 10:02:43,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:02:43,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:02:43,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:02:43,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:02:43,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:43" (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 [2019-08-08 10:02:43,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:02:43,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:02:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:02:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:02:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:02:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:02:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:02:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:02:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:02:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:02:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:02:48,117 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:02:48,118 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:02:48,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:48 BoogieIcfgContainer [2019-08-08 10:02:48,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:02:48,120 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:02:48,120 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:02:48,121 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:02:48,122 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:48" (1/1) ... [2019-08-08 10:02:48,135 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:02:48,138 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:02:48,148 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:02:48,156 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:02:48,158 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:02:48,223 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 156 [2019-08-08 10:02:51,958 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 197 [2019-08-08 10:02:52,710 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:02:52,712 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:02:52,715 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 60452#(and (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= ~a12~0 1) (not (= ~a27~0 1)) (not (= ~a11~0 1)) (not (= 1 ~a6~0)) (= ~a26~0 1)) [2019-08-08 10:02:52,716 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:02:52,723 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:02:52,727 INFO L168 Benchmark]: Toolchain (without parser) took 10698.86 ms. Allocated memory was 132.6 MB in the beginning and 478.2 MB in the end (delta: 345.5 MB). Free memory was 83.3 MB in the beginning and 378.2 MB in the end (delta: -294.9 MB). Peak memory consumption was 378.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:52,729 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:02:52,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1206.96 ms. Allocated memory was 132.6 MB in the beginning and 219.2 MB in the end (delta: 86.5 MB). Free memory was 83.1 MB in the beginning and 165.7 MB in the end (delta: -82.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:52,732 INFO L168 Benchmark]: Boogie Preprocessor took 199.78 ms. Allocated memory is still 219.2 MB. Free memory was 165.7 MB in the beginning and 154.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:52,734 INFO L168 Benchmark]: RCFGBuilder took 4684.63 ms. Allocated memory was 219.2 MB in the beginning and 282.1 MB in the end (delta: 62.9 MB). Free memory was 154.1 MB in the beginning and 85.4 MB in the end (delta: 68.7 MB). Peak memory consumption was 131.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:52,735 INFO L168 Benchmark]: Symbolic Interpretation took 4603.56 ms. Allocated memory was 282.1 MB in the beginning and 478.2 MB in the end (delta: 196.1 MB). Free memory was 85.4 MB in the beginning and 378.2 MB in the end (delta: -292.8 MB). Peak memory consumption was 231.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:52,745 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1518]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1206.96 ms. Allocated memory was 132.6 MB in the beginning and 219.2 MB in the end (delta: 86.5 MB). Free memory was 83.1 MB in the beginning and 165.7 MB in the end (delta: -82.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 199.78 ms. Allocated memory is still 219.2 MB. Free memory was 165.7 MB in the beginning and 154.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4684.63 ms. Allocated memory was 219.2 MB in the beginning and 282.1 MB in the end (delta: 62.9 MB). Free memory was 154.1 MB in the beginning and 85.4 MB in the end (delta: 68.7 MB). Peak memory consumption was 131.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4603.56 ms. Allocated memory was 282.1 MB in the beginning and 478.2 MB in the end (delta: 196.1 MB). Free memory was 85.4 MB in the beginning and 378.2 MB in the end (delta: -292.8 MB). Peak memory consumption was 231.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...