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Proof step 10 from proof ushort-band-01 (previous step)

s2i(sho) = i * 256 + j - 65536, s2i(sho) + 65536 = i * 256 + j, 0 ≤ i, 0 ≤ j, ~65536 ≤ s2i(sho), s2i(sho) < 0, j < 256 ⊦ (s2i(sho) + 1) % 256 + 255 = j

User applied rule insert equation

And obtained the following new goals

Proof step 11:
(i * 256 + j - 65536) + 65536 = i * 256 + j, 0 ≤ i, 0 ≤ j, ~65536 ≤ i * 256 + j - 65536, i * 256 + j - 65536 < 0, j < 256 ⊦ ((i * 256 + j - 65536) + 1) % 256 + 255 = j

Rule argument

pos: left 1 flags: discard

Proof step 10 from proof ushort-band-01 (previous step)

User applied rule insert equation

And obtained the following new goals

Rule argument

Additional information