free c.

fun test/1.
fun a/0.
fun b/0.

equation test(a) = test(b).

reduc proj(test(i)) = i otherwise
      proj(x) = x.

query attacker:a.

process
0

(* EXPECTPV
Error: The destructor proj is not deterministic.
Error: The destructors should be deterministic.
xtime: error in child process (status : 2)
END *)
