us2i(sho) ≤ 0, us2i(sho) + 65536 * i = 0 ⊦ i = 0, ¬ us2i(sho) ≤ 0 ∧ ¬ i < 0
us2i(sho) + 65536 * i = 0 ⊦ us2i(sho) ≤ 0, i = 0, ¬ us2i(sho) ≤ 0 ∧ ¬ i < 0
Used formulas: us2i(sho) ≤ 0