[n] -> { s0[i] -> [0, i, 0, 0] : i >= 2 and i <= n; s1[i, j] -> [1, j, 0, i] : j >= 1 and j <= -1 + i and i <= n; s2[i] -> [1, -1 + i, 1, 0] : i >= 2 and i <= n }
{  :  }
[n] -> { [i0, i1, i2, i3] -> atomic[o0] : o0 <= 2; [i0, i1, i2, i3] -> separate[o0] : o0 >= 3 }