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/floats-cdfpl/newton_2_7.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:39:28,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:39:28,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:39:28,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:39:28,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:39:28,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:39:28,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:39:28,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:39:28,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:39:28,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:39:28,951 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:39:28,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:39:28,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:39:28,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:39:28,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:39:28,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:39:28,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:39:28,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:39:28,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:39:28,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:39:28,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:39:28,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:39:28,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:39:28,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:39:28,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:39:28,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:39:28,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:39:28,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:39:28,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:39:28,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:39:28,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:39:28,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:39:28,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:39:28,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:39:28,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:39:28,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:39:28,989 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 11:39:29,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:39:29,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:39:29,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:39:29,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:39:29,005 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:39:29,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:39:29,006 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:39:29,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:39:29,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:39:29,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:39:29,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:39:29,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:39:29,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:39:29,008 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:39:29,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:39:29,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:39:29,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:39:29,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:39:29,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:39:29,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:39:29,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:39:29,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:39:29,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:39:29,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:39:29,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:39:29,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:39:29,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:39:29,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:39:29,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:39:29,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:39:29,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:39:29,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:39:29,081 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:39:29,081 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:39:29,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_7.i [2019-08-08 11:39:29,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b35679ec/2004a0657d0646cfa4ae6fedb002fcaa/FLAG57151bfa2 [2019-08-08 11:39:29,529 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:39:29,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_7.i [2019-08-08 11:39:29,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b35679ec/2004a0657d0646cfa4ae6fedb002fcaa/FLAG57151bfa2 [2019-08-08 11:39:29,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b35679ec/2004a0657d0646cfa4ae6fedb002fcaa [2019-08-08 11:39:29,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:39:29,931 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:39:29,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:29,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:39:29,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:39:29,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:29" (1/1) ... [2019-08-08 11:39:29,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7863e030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:29, skipping insertion in model container [2019-08-08 11:39:29,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:29" (1/1) ... [2019-08-08 11:39:29,948 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:39:29,968 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:39:30,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:30,150 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:39:30,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:30,192 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:39:30,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:30 WrapperNode [2019-08-08 11:39:30,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:30,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:39:30,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:39:30,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:39:30,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:30" (1/1) ... [2019-08-08 11:39:30,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:30" (1/1) ... [2019-08-08 11:39:30,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:30" (1/1) ... [2019-08-08 11:39:30,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:30" (1/1) ... [2019-08-08 11:39:30,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:30" (1/1) ... [2019-08-08 11:39:30,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:30" (1/1) ... [2019-08-08 11:39:30,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:30" (1/1) ... [2019-08-08 11:39:30,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:39:30,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:39:30,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:39:30,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:39:30,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:30" (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 11:39:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:39:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:39:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-08 11:39:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-08 11:39:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:39:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:39:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:39:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-08 11:39:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-08 11:39:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-08 11:39:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:39:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:39:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:39:30,620 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:39:30,621 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 11:39:30,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:30 BoogieIcfgContainer [2019-08-08 11:39:30,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:39:30,623 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:39:30,623 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:39:30,624 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:39:30,625 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:30" (1/1) ... [2019-08-08 11:39:30,637 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:39:30,640 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:39:30,646 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:39:30,653 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:39:30,655 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:39:30,691 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:39:30,731 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:39:30,732 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:39:30,734 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 26#(and (exists ((v_~someBinaryFLOATComparisonOperation_3 Bool) (v_~someBinaryFLOATComparisonOperation_4 Bool)) (not (= 0 (ite (and v_~someBinaryFLOATComparisonOperation_3 v_~someBinaryFLOATComparisonOperation_4) 1 0)))) (exists ((v_~someBinaryDOUBLEComparisonOperation_2 Bool)) (not v_~someBinaryDOUBLEComparisonOperation_2))) [2019-08-08 11:39:30,735 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:39:30,743 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:39:30,746 INFO L168 Benchmark]: Toolchain (without parser) took 813.33 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 159.0 MB in the end (delta: -70.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:39:30,747 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:39:30,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.02 ms. Allocated memory is still 132.6 MB. Free memory was 88.4 MB in the beginning and 78.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:30,749 INFO L168 Benchmark]: Boogie Preprocessor took 120.31 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.1 MB in the beginning and 175.7 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:30,750 INFO L168 Benchmark]: RCFGBuilder took 308.56 ms. Allocated memory is still 199.2 MB. Free memory was 175.7 MB in the beginning and 164.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:30,751 INFO L168 Benchmark]: Symbolic Interpretation took 119.64 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 159.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:30,755 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 28]: 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 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.02 ms. Allocated memory is still 132.6 MB. Free memory was 88.4 MB in the beginning and 78.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.31 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.1 MB in the beginning and 175.7 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.56 ms. Allocated memory is still 199.2 MB. Free memory was 175.7 MB in the beginning and 164.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 119.64 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 159.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...