This does not look good. Segmentation violation are caused either by grave software errors or by hardware fault, most commonly, RAM issues.
I would suggest using a different IOS image with a lower feature set that consumes less memory. If that IOS boots up, there is a good chance that just the IOS image you originally had at the router is corrupt, tried to use too much memory, or has some issues. If the problem persists, you may still try pulling out all WICs and NM modules out of the router, leaving just the barebone router to boot up. If nothing helps, I am afraid the only option left is to try replacing the DRAM modules.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...