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  • #120
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Issue created May 22, 2018 by Raphaël Rieu-Helft@rrieuhelContributor

simplify_trivial_quantification kills some goals

On the following program, after using split_vc twice (once on the function and once on the assertion), the subgoal not true is generated by simplify_trivial_quantification. My understanding is that the goal not z = y is used to replace z with y when attempting to eliminate the quantified variable z, but I hope I am wrong.

let f (l: list int) (y:int)
= assert { match l with Cons z _ -> not z = y | Nil -> false end }

I'm marking this as high priority because split_vc is intended as a default strategy for most users.

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