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Proof step 15 from proof unmodified-clean-fwd-zbrar2 (previous step)

# zbrar0 = BRANCH_SIZE, BRANCH_SIZE = # zbrar1, zbrar0[n] = mkzentry(key, adr0), iast[adr] = indexnode(save(zbrar0, 0, nused), bv, nused), mkzentry(key', adr1) = zbrar1[n], save(zbrar1, 0, nused) = save(zbrar0, 0, nused), n < nused, n < BRANCH_SIZE, adr ∈ iast, nused ≤ BRANCH_SIZE ⊦ zbrar1[n] = mkzentry(key, adr0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 16:
# zbrar0 = BRANCH_SIZE, BRANCH_SIZE = # zbrar1, iast[adr] = indexnode(save(zbrar0, 0, nused), bv, nused), zbrar0[n] = mkzentry(key, adr0), mkzentry(key', adr1) = zbrar1[n], save(zbrar1, 0, nused) = save(zbrar0, 0, nused), n < BRANCH_SIZE, n < nused, adr ∈ iast, nused ≤ BRANCH_SIZE ⊦ mkzentry(key', adr1) = mkzentry(key, adr0)

Proof step 15 from proof unmodified-clean-fwd-zbrar2 (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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