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Fixed Karr domain

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This commit is contained in:
soyouzpanda 2024-06-09 22:01:48 +02:00
parent 2808f0bd8c
commit 63f0e88788
1 changed files with 5 additions and 4 deletions
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9
domains/karr.ml
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@ -161,7 +161,8 @@ module Karr : DOMAIN = struct
exception Cant_assign
let init n = E (Matrix.zero 0 n, Matrix.zero 0 1)
let init n =
E (Matrix.zero 0 n, Matrix.zero 0 1)
let bottom = Bot
let rec explore e n =
@ -189,7 +190,7 @@ module Karr : DOMAIN = struct
else raise Cant_assign
| AST_MODULO -> raise Cant_assign)
| CFG_int_var var ->
( Matrix.init 1 n (fun i j -> if j = var.var_id then Q.one else Q.zero),
( Matrix.init 1 n (fun i j -> if j = var.var_id - 1 then Q.one else Q.zero),
Q.zero )
| CFG_int_const const -> (Matrix.zero 1 n, Q.make const Z.one)
| CFG_int_rand (_, _) -> raise Cant_assign
@ -201,8 +202,8 @@ module Karr : DOMAIN = struct
let n = Matrix.width vars in
try
let new_line, new_const = explore expr n in
Matrix.set new_line 0 var.var_id
(Q.add (Matrix.get new_line 0 var.var_id) Q.one);
Matrix.set new_line 0 (var.var_id - 1)
(Q.add (Matrix.get new_line 0 (var.var_id - 1)) Q.one);
let new_vars = Matrix.extend vars new_line in
let new_consts =
Matrix.extend consts (Matrix.init 1 1 (fun _ _ -> new_const))