File: while5.mlw

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module While5

	use int.Int
	use ref.Ref

	exception Myexc int

	let b [@infer] [@bddinfer] (_:int) : int
	  ensures { result = 12 }
	=
		let i = ref 0 in
		i := 0;
		while !i < 10 do
		variant { 10 - !i }
			i := !i + 6;
		done;
		!i

	let b2 [@infer:oct] [@bddinfer] (_:int) : int
	  ensures { result = 12 }
	=
		let i = ref 0 in
		i := 0;
		while !i < 10 do
		variant { 10 - !i }
			i := !i + 6;
		done;
		!i

end