Raw files from modern cameras start with a colorspace significantly larger than what display or print devices are capable of depicting. That’s the whole point of color management in raw processing, transforming the original camera image down to a color space that can be regarded on a particular device. I think specifying sRGB as the softproof profile is just telling you that. I’d remove it from there; that mechanism is built to tell you how far colors are from being depictable on a specific printer.
This might help: Article: Color Management in Raw Processing (disclaimer: I wrote it, no feedback (yet) that I’m out to lunch…)