Going through the separation of finances, asking her to find her own place, not spending any time in the same room as her, should be a pretty clear indication.
I went back to your first post and you indicated you did all the wrong things. I assume you mean beg and plead? You see after that she knows you a clearly cemented as her plan B option. She does not fear losing you right now.
Not blaming you everyone does it. When this is all over you will clearly learn that the only answer to I want a D/breakup is "Do you need help packing your bags?"