i < 0 ⊦ i < i % j ↔ abs(j) = 1 ∨ abs(j) ≤ ~ i, j = 0
Used simplifier rules: forward-le-02: ⊦ j < i ∧ i ≤ 0 → j < 0; (forward) from specification int-abs% ⊦ i < 0 → abs(i) = ~ i; (s)