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Proof step 27 from proof fix-value (previous step)

n = n0 + # bytes ∧ # bytes ≤ n, # bytes < n, bytes2int(bytes) < 0 ⊦ # bytes = n, bytes2int(mklist(i2b(~1), n0) + bytes) = bytes2int(bytes), bytes = []

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 28:
bytes2int(bytes) < 0 ⊦ bytes2int(mklist(i2b(~1), n0) + bytes) = bytes2int(bytes), bytes = [], n0 = 0

Rule argument

Additional information

Used simplifier rules: ⊦ m < m + n ↔ n ≠ 0;% ⊦ m < n → m ≤ n;% ⊦ m + n = n + m;% ⊦ (m + n0) + n1 = m + n0 + n1;% ⊦ m = m + n ↔ n = 0;