Debugger Console in Xcode 3.0

Hi there
I have a Cocoa Application I have developed in Xcode, written in Objective-C.
The program basically outputs everything to the debugger console via calls to NSLog. However, I noticed after the last changes I made the debugger console output ends with the text below, after the application exits the controller class' awakeFromNib method.
+*2009-02-15 16:19:10.572 Cocoa3 Quran[4220:10b] Exiting PROC: (QuranController) awakeFromNib*+
+Loading program into debugger…+
+GNU gdb 6.3.50-20050815 (Apple version gdb-768) (Tue Oct 2 04:07:49 UTC 2007)+
+Copyright 2004 Free Software Foundation, Inc.+
+GDB is free software, covered by the GNU General Public License, and you are+
+welcome to change it and/or distribute copies of it under certain conditions.+
+Type "show copying" to see the conditions.+
+There is absolutely no warranty for GDB. Type "show warranty" for details.+
+This GDB was configured as "i386-apple-darwin".Program loaded.+
+sharedlibrary apply-load-rules all+
+Attaching to program: `/Users/steve/mysoftware/projects/Cocoa3 Quran/build/Release/Cocoa3 Quran.app/Contents/MacOS/Cocoa3 Quran', process 4220.+
Before the last round of changes the program would simply end with the text below.
+*2009-02-15 16:19:10.572 Cocoa3 Quran[4220:10b] Exiting PROC: (QuranController) awakeFromNib*+
Can someone tell me whether the output is likely the result of some error in the application, or whether it is simply the result of some setting I inadvertently turned on?
Thanks

After commenting out some code, I am now getting the following output.
+*2009-02-15 18:03:06.466 Cocoa3 Quran[5240:813] Exiting PROC: (QuranController) awakeFromNib*+
+Program received signal: “EXCBADACCESS”.+
I have pinpointed the problem to the following line.
+SKDocumentRef parent = (SKDocumentRef) [(id) SKDocumentGetParent(doc) autorelease];+
My program uses code from Apple's Search Kit Programming Guide. Apple's sample code makes extension use of NSObject's autorelease method. I understand what this method does and suspect some objects which I expect to access at this point in the program have already been released.
However, I am confused why EXCBADACCESS appears after the program has exited from the awakeFromNib method? By this point the program has finished doing anything meaningful.

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