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Proof step 12 from proof unmodified-payload (previous step)

BRANCH_SIZE = # zbrar, iast[adr] = indexnode(brar, bv1, nused), zbrar[n] = mkzentry(key, adr0), indexnode(brar, bv1, nused) = save(mkznode(rp, zbrar, bv1, false, nused)), zbrar[n].entry?, n < BRANCH_SIZE, n < nused, sorted(zbrar, 0, nused), key ∈ payload(load(brar, 0, nused), 0, nused), adr ∈ iast, nused ≤ BRANCH_SIZE ⊦ payload(load(brar, 0, nused), 0, nused)[key] = payload(zbrar, 0, nused)[key]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 13:
BRANCH_SIZE = # zbrar, iast[adr] = indexnode(brar, bv1, nused), zbrar[n] = mkzentry(key, adr0), indexnode(brar, bv1, nused) = save(mkznode(rp, zbrar, bv1, false, nused)), n < BRANCH_SIZE, n < nused, sorted(zbrar, 0, nused), key ∈ payload(load(brar, 0, nused), 0, nused), adr ∈ iast, nused ≤ BRANCH_SIZE ⊦ payload(load(brar, 0, nused), 0, nused)[key] = payload(zbrar, 0, nused)[key]

Rule argument

Additional information

Used simplifier rules: ⊦ mkzentry(key, adr).entry?; (s)