Doing a simple man on the variable gives a detailed explanation for this variable does. I am not sure why you want to post this in the forum.
> man simplified_verification_mode
DESCRIPTION
Setting this variable to true adjusts optimization inside the tool to
prioritize formal verification compatibility over QoR. This enables
single-pass verification for formal verification to pass with as little
effort as possible. .....
There are ~4-5 paragraphs after this. Please do an man in your tool and read it.