How do I limit the height stretc with autoresizing

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Objective-C

iOS

Xcode

I made this screen

Screen on iPhone 4(9.3)

It looks fine on that device, however when i test this same screen with iPhone6(9.3) it looks like this. I merged the third image with the second one

Screen on iPhone 6s(9.3) and the Third Image

As you can see, that gray view, doesn't fill the white space beetwen that same gray view and the first bottom button(lojas). Notice that i don't have the autoresizing height stretch on(that vertical arrow inside the blocks). If i turn that on, this happens

Image inside the Second Image

Third Image inside the Second Image

See that, the gray view goes over the buttons, i don't want that.

My question is, how can i solve this? Is there a way to make the gray view stop above the Lojas Buttom at the bottom? Thanks for your time!

OBS: I CANNOT use autolayout.

What I have tried:

I tried messing aroud with the autoresize, but nothing worked, even lowering the view height