You local iOS 6.1.3 symbols only have the data from devices with the armv7s CPU. You need to connect a device with an armv7 CPU and iOS 6.1.3 to Xcode so it can import the symbols from that CPU architecture as well.
You can verify the architectures available in the symbols using dwarfdump
in a terminal window like:
`dwarfdump --uuid "/Library/Developer/Xcode/iOS DeviceSupport/6.1.3 (10B329)/Symbols/usr/lib/system/libsystem_kernel.dylib"'
This should show a UUID for each provided CPU architecture.