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Proof step 1 from proof getsetShort-theorem (conclusion)

⊦ j ∈short → bor(b2i(i2b(j i>> 8)) i<< 8, band(255, b2i(i2b(j)))) = j

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
~32768 ≤ j, j ≤ 32767 ⊦ bor(b2i(i2b(j i>> 8)) i<< 8, band(255, b2i(i2b(j)))) = j

Rule argument

Additional information

Used simplifier rules: inshort: ⊦ i ∈short ↔ ~32768 ≤ i ∧ i ≤ 32767;%forward-lele: ⊦ j ≤ j0 ∧ j0 ≤ j1 → j ≤ j1; (forward) from specification int-abs