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module Array
use int.Int
use array.Array
type t
function to_int t : int
meta "model_projection" function to_int
val function two : t
axiom two_def : to_int two = 2
val function three : t
axiom three_def : to_int three = 3
let f (a : array t) : unit
requires { a[42] = three }
writes { a }
ensures { a[42] = three }
= a[42] <- two
let g (a : array t) : unit
requires { a.length >= 43 /\ a[17] = three }
writes { a }
ensures { a[42] = three }
= a[42] <- two
let h (a : array t) : unit
requires { a.length >= 43 /\ a[17] = three }
writes { a }
ensures { a[42] = three }
= a[17] <- two
end
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