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/ssh-simplified/s3_srvr_1b.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:50:24,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:50:24,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:50:24,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:50:24,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:50:24,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:50:24,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:50:24,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:50:24,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:50:24,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:50:24,089 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:50:24,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:50:24,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:50:24,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:50:24,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:50:24,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:50:24,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:50:24,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:50:24,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:50:24,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:50:24,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:50:24,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:50:24,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:50:24,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:50:24,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:50:24,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:50:24,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:50:24,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:50:24,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:50:24,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:50:24,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:50:24,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:50:24,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:50:24,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:50:24,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:50:24,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:50:24,134 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 09:50:24,152 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:50:24,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:50:24,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:50:24,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:50:24,154 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:50:24,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:50:24,154 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:50:24,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:50:24,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:50:24,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:50:24,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:50:24,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:50:24,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:50:24,156 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:50:24,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:50:24,156 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:50:24,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:50:24,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:50:24,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:50:24,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:50:24,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:50:24,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:50:24,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:50:24,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:50:24,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:50:24,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:50:24,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:50:24,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:50:24,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:50:24,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:50:24,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:50:24,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:50:24,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:50:24,217 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:50:24,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-08-08 09:50:24,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0c29a1a/be85daa62b3a41bca84d1905fde101b3/FLAG45de37b34 [2019-08-08 09:50:24,801 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:50:24,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_1b.cil.c [2019-08-08 09:50:24,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0c29a1a/be85daa62b3a41bca84d1905fde101b3/FLAG45de37b34 [2019-08-08 09:50:25,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0c29a1a/be85daa62b3a41bca84d1905fde101b3 [2019-08-08 09:50:25,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:50:25,177 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:50:25,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:50:25,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:50:25,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:50:25,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:50:25" (1/1) ... [2019-08-08 09:50:25,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431bcae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25, skipping insertion in model container [2019-08-08 09:50:25,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:50:25" (1/1) ... [2019-08-08 09:50:25,194 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:50:25,218 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:50:25,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:50:25,403 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:50:25,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:50:25,437 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:50:25,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25 WrapperNode [2019-08-08 09:50:25,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:50:25,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:50:25,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:50:25,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:50:25,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25" (1/1) ... [2019-08-08 09:50:25,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25" (1/1) ... [2019-08-08 09:50:25,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25" (1/1) ... [2019-08-08 09:50:25,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25" (1/1) ... [2019-08-08 09:50:25,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25" (1/1) ... [2019-08-08 09:50:25,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25" (1/1) ... [2019-08-08 09:50:25,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25" (1/1) ... [2019-08-08 09:50:25,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:50:25,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:50:25,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:50:25,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:50:25,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:50:25" (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 09:50:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:50:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:50:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:50:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:50:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 09:50:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:50:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-08-08 09:50:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-08 09:50:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:50:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:50:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:50:26,051 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:50:26,052 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:50:26,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:50:26 BoogieIcfgContainer [2019-08-08 09:50:26,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:50:26,054 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:50:26,054 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:50:26,054 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:50:26,055 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:50:26" (1/1) ... [2019-08-08 09:50:26,066 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:50:26,069 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:50:26,075 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:50:26,081 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:50:26,083 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:50:26,114 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 09:50:26,461 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:50:26,461 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:50:26,464 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 703#(and (< 2 main_~blastFlag~0) (or (and (or (and (not (= 0 main_~blastFlag~0)) (<= main_~blastFlag~0 2)) (= 2 main_~blastFlag~0)) (not (= 0 main_~s__hit~0)) (= 8656 main_~s__state~0)) (and (or (and (not (= 0 main_~blastFlag~0)) (<= main_~blastFlag~0 2)) (= 2 main_~blastFlag~0)) (= 0 main_~s__hit~0) (= 8512 main_~s__state~0))) (<= main_~s__state~0 8512)) [2019-08-08 09:50:26,465 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:50:26,473 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:50:26,476 INFO L168 Benchmark]: Toolchain (without parser) took 1297.92 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 90.7 MB in the beginning and 140.3 MB in the end (delta: -49.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-08-08 09:50:26,477 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 134.7 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 09:50:26,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.51 ms. Allocated memory is still 134.7 MB. Free memory was 90.5 MB in the beginning and 80.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-08 09:50:26,479 INFO L168 Benchmark]: Boogie Preprocessor took 123.84 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 80.4 MB in the beginning and 177.9 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-08 09:50:26,480 INFO L168 Benchmark]: RCFGBuilder took 490.20 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 164.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:50:26,481 INFO L168 Benchmark]: Symbolic Interpretation took 419.45 ms. Allocated memory is still 201.3 MB. Free memory was 164.1 MB in the beginning and 140.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-08-08 09:50:26,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 139]: 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 0.47 ms. Allocated memory is still 134.7 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.51 ms. Allocated memory is still 134.7 MB. Free memory was 90.5 MB in the beginning and 80.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.84 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 80.4 MB in the beginning and 177.9 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 490.20 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 164.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 419.45 ms. Allocated memory is still 201.3 MB. Free memory was 164.1 MB in the beginning and 140.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...