java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl
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This is Ultimate 0.1.24-e1a14da
[2018-12-24 14:43:29,002 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-12-24 14:43:29,007 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
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[2018-12-24 14:43:29,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-12-24 14:43:29,064 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-12-24 14:43:29,065 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2018-12-24 14:43:29,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-12-24 14:43:29,075 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-12-24 14:43:29,076 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2018-12-24 14:43:29,087 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf
[2018-12-24 14:43:29,101 INFO L110 SettingsManager]: Loading preferences was successful
[2018-12-24 14:43:29,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-24 14:43:29,102 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2018-12-24 14:43:29,103 INFO L133 SettingsManager]: * Show backtranslation warnings=false
[2018-12-24 14:43:29,103 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-12-24 14:43:29,103 INFO L133 SettingsManager]: * User list type=DISABLED
[2018-12-24 14:43:29,103 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true
[2018-12-24 14:43:29,103 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-12-24 14:43:29,104 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2018-12-24 14:43:29,104 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain
[2018-12-24 14:43:29,104 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2018-12-24 14:43:29,104 INFO L133 SettingsManager]: * Interval Domain=false
[2018-12-24 14:43:29,105 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-12-24 14:43:29,105 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-12-24 14:43:29,105 INFO L133 SettingsManager]: * Use SBE=true
[2018-12-24 14:43:29,106 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-24 14:43:29,106 INFO L133 SettingsManager]: * sizeof long=4
[2018-12-24 14:43:29,106 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-12-24 14:43:29,106 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-12-24 14:43:29,107 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-12-24 14:43:29,107 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2018-12-24 14:43:29,107 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-12-24 14:43:29,107 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2018-12-24 14:43:29,107 INFO L133 SettingsManager]: * sizeof long double=12
[2018-12-24 14:43:29,108 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2018-12-24 14:43:29,108 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2018-12-24 14:43:29,108 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-24 14:43:29,108 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-12-24 14:43:29,109 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-12-24 14:43:29,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-12-24 14:43:29,109 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-24 14:43:29,109 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-12-24 14:43:29,109 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-12-24 14:43:29,110 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN
[2018-12-24 14:43:29,110 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-12-24 14:43:29,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-12-24 14:43:29,110 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-12-24 14:43:29,111 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2018-12-24 14:43:29,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-24 14:43:29,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-24 14:43:29,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-24 14:43:29,183 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2018-12-24 14:43:29,183 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized
[2018-12-24 14:43:29,185 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl
[2018-12-24 14:43:29,186 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl'
[2018-12-24 14:43:29,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-24 14:43:29,254 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-12-24 14:43:29,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-24 14:43:29,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-24 14:43:29,256 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-24 14:43:29,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-24 14:43:29,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-24 14:43:29,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-24 14:43:29,308 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-12-24 14:43:29,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-24 14:43:29,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-24 14:43:29,341 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-12-24 14:43:29,342 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-12-24 14:43:29,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:29" (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
[2018-12-24 14:43:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-12-24 14:43:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-12-24 14:43:29,692 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-12-24 14:43:29,692 INFO L280 CfgBuilder]: Removed 5 assue(true) statements.
[2018-12-24 14:43:29,692 INFO L202 PluginConnector]: Adding new model string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:43:29 BoogieIcfgContainer
[2018-12-24 14:43:29,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-24 14:43:29,694 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2018-12-24 14:43:29,694 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2018-12-24 14:43:29,694 INFO L276 PluginConnector]: Abstract Interpretation initialized
[2018-12-24 14:43:29,695 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:43:29" (1/1) ...
[2018-12-24 14:43:29,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2)
[2018-12-24 14:43:30,039 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2018-12-24 14:43:30,063 INFO L272 AbstractInterpreter]: Visited 7 different actions 27 times. Merged at 2 different actions 10 times. Widened at 2 different actions 2 times. Performed 215 root evaluator evaluations with a maximum evaluation depth of 4. Performed 215 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 2 fixpoints after 2 different actions. Largest state had 0 variables.
[2018-12-24 14:43:30,065 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2018-12-24 14:43:30,066 INFO L168 Benchmark]: Toolchain (without parser) took 813.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB.
[2018-12-24 14:43:30,069 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.34 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.
[2018-12-24 14:43:30,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.97 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.
[2018-12-24 14:43:30,070 INFO L168 Benchmark]: Boogie Preprocessor took 32.67 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.
[2018-12-24 14:43:30,071 INFO L168 Benchmark]: RCFGBuilder took 351.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
[2018-12-24 14:43:30,073 INFO L168 Benchmark]: Abstract Interpretation took 371.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB.
[2018-12-24 14:43:30,079 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Boogie PL CUP Parser took 0.34 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.
* Boogie Procedure Inliner took 51.97 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.
* Boogie Preprocessor took 32.67 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.
* RCFGBuilder took 351.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 371.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- UnprovableResult [Line: 89]: Unable to prove that assertion always holds
Unable to prove that assertion always holds
Reason: abstract domain could reach this error location.
Possible FailurePath:
[L23] havoc main_#res;
[L24] havoc main_#t~nondet1, main_#t~post0, main_#t~nondet3, main_#t~post2, main_#t~post4, main_#t~post5, main_#t~post6, main_#t~post7, main_~string_A~5, main_~string_B~5, main_~i~5, main_~j~5, main_~nc_A~5, main_~nc_B~5, main_~found~5;
[L25] havoc main_~string_A~5;
[L26] havoc main_~string_B~5;
[L27] havoc main_~i~5;
[L28] havoc main_~j~5;
[L29] havoc main_~nc_A~5;
[L30] havoc main_~nc_B~5;
[L31] main_~found~5 := 0;
[L32] main_~i~5 := 0;
[L45] assume !!(main_~i~5 < 5);
[L46] assume -128 <= main_#t~nondet1 && main_#t~nondet1 <= 127;
[L47] main_~string_A~5 := main_~string_A~5[main_~i~5 := main_#t~nondet1];
[L48] havoc main_#t~nondet1;
[L49] main_#t~post0 := main_~i~5;
[L50] main_~i~5 := main_#t~post0 + 1;
[L51] havoc main_#t~post0;
[L45] assume !!(main_~i~5 < 5);
[L46] assume -128 <= main_#t~nondet1 && main_#t~nondet1 <= 127;
[L47] main_~string_A~5 := main_~string_A~5[main_~i~5 := main_#t~nondet1];
[L48] havoc main_#t~nondet1;
[L49] main_#t~post0 := main_~i~5;
[L50] main_~i~5 := main_#t~post0 + 1;
[L51] havoc main_#t~post0;
[L45] assume !!(main_~i~5 < 5);
[L46] assume -128 <= main_#t~nondet1 && main_#t~nondet1 <= 127;
[L47] main_~string_A~5 := main_~string_A~5[main_~i~5 := main_#t~nondet1];
[L48] havoc main_#t~nondet1;
[L49] main_#t~post0 := main_~i~5;
[L50] main_~i~5 := main_#t~post0 + 1;
[L51] havoc main_#t~post0;
[L45] assume !!(main_~i~5 < 5);
[L46] assume -128 <= main_#t~nondet1 && main_#t~nondet1 <= 127;
[L47] main_~string_A~5 := main_~string_A~5[main_~i~5 := main_#t~nondet1];
[L48] havoc main_#t~nondet1;
[L49] main_#t~post0 := main_~i~5;
[L50] main_~i~5 := main_#t~post0 + 1;
[L51] havoc main_#t~post0;
[L45] assume !!(main_~i~5 < 5);
[L46] assume -128 <= main_#t~nondet1 && main_#t~nondet1 <= 127;
[L47] main_~string_A~5 := main_~string_A~5[main_~i~5 := main_#t~nondet1];
[L48] havoc main_#t~nondet1;
[L49] main_#t~post0 := main_~i~5;
[L50] main_~i~5 := main_#t~post0 + 1;
[L51] havoc main_#t~post0;
[L40] assume !(main_~i~5 < 5);
[L41] assume !!(main_~string_A~5[4] == 0);
[L42] main_~i~5 := 0;
[L80] assume !!(main_~i~5 < 5);
[L81] assume -128 <= main_#t~nondet3 && main_#t~nondet3 <= 127;
[L82] main_~string_B~5 := main_~string_B~5[main_~i~5 := main_#t~nondet3];
[L83] havoc main_#t~nondet3;
[L84] main_#t~post2 := main_~i~5;
[L85] main_~i~5 := main_#t~post2 + 1;
[L86] havoc main_#t~post2;
[L80] assume !!(main_~i~5 < 5);
[L81] assume -128 <= main_#t~nondet3 && main_#t~nondet3 <= 127;
[L82] main_~string_B~5 := main_~string_B~5[main_~i~5 := main_#t~nondet3];
[L83] havoc main_#t~nondet3;
[L84] main_#t~post2 := main_~i~5;
[L85] main_~i~5 := main_#t~post2 + 1;
[L86] havoc main_#t~post2;
[L80] assume !!(main_~i~5 < 5);
[L81] assume -128 <= main_#t~nondet3 && main_#t~nondet3 <= 127;
[L82] main_~string_B~5 := main_~string_B~5[main_~i~5 := main_#t~nondet3];
[L83] havoc main_#t~nondet3;
[L84] main_#t~post2 := main_~i~5;
[L85] main_~i~5 := main_#t~post2 + 1;
[L86] havoc main_#t~post2;
[L80] assume !!(main_~i~5 < 5);
[L81] assume -128 <= main_#t~nondet3 && main_#t~nondet3 <= 127;
[L82] main_~string_B~5 := main_~string_B~5[main_~i~5 := main_#t~nondet3];
[L83] havoc main_#t~nondet3;
[L84] main_#t~post2 := main_~i~5;
[L85] main_~i~5 := main_#t~post2 + 1;
[L86] havoc main_#t~post2;
[L80] assume !!(main_~i~5 < 5);
[L81] assume -128 <= main_#t~nondet3 && main_#t~nondet3 <= 127;
[L82] main_~string_B~5 := main_~string_B~5[main_~i~5 := main_#t~nondet3];
[L83] havoc main_#t~nondet3;
[L84] main_#t~post2 := main_~i~5;
[L85] main_~i~5 := main_#t~post2 + 1;
[L86] havoc main_#t~post2;
[L59] assume !(main_~i~5 < 5);
[L60] assume !!(main_~string_B~5[4] == 0);
[L61] main_~nc_A~5 := 0;
[L63] assume !(main_~string_A~5[main_~nc_A~5] != 0);
[L64] main_~nc_B~5 := 0;
[L66] assume !(main_~string_B~5[main_~nc_B~5] != 0);
[L67] assume !!(main_~nc_B~5 >= main_~nc_A~5);
[L68] main_~j~5 := 0;
[L69] main_~i~5 := main_~j~5;
[L71] assume !(main_~i~5 < main_~nc_A~5 && main_~j~5 < main_~nc_B~5);
[L72] main_~found~5 := ~shiftLeft((if main_~j~5 > main_~nc_B~5 - 1 then 1 else 0), main_~i~5);
[L73] __VERIFIER_assert_#in~cond := (if main_~found~5 == 0 || main_~found~5 == 1 then 1 else 0);
[L74] havoc __VERIFIER_assert_~cond;
[L75] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;
[L76] assume __VERIFIER_assert_~cond == 0;
[L77] assume !false;
[L89] assert false;
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...