i % 2 ^ abs(j) = 0, i + 2 ^ (abs(j) - 1) < 0 ⊦ i >> j = i / 2 ^ abs(j), j = 0
Used simplifier rules: ⊦ j < i ∧ i ≤ 0 → j < 0; (forward)% ⊦ i < ~ j ↔ i + j < 0;