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Proof step 1 from proof intshiftrzero-prop-01 (conclusion)

i < 0, ~(2 ^ 31) ≤ i, band(j, 31) ≠ 0 ⊦ i i>>> j = (i i>> j) + (2 i<< bcompl(j))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
~2147483648 ≤ i, i < 0 ⊦ i i>>> j = (i i>> j) + (2 i<< bcompl(j)), band(j, 31) = 0

Rule argument

Additional information

Used simplifier rules: ⊦ j < i ∧ i ≤ 0 → j < 0; (forward)% ⊦ i ≤ j ∧ j < j0 → i < j0; (forward)