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Proof step 10 from proof inv-write (previous step)

# lpt = # avol, avol[m3] = mapped(buf0), err0 = ESUCCESS, m3 < # avol, ebm-vol-inv(avol), is-aligned(n, EB_PAGE_SIZE), is-aligned(m0, EB_PAGE_SIZE), n2 + n ≤ # buf, m0 + n ≤ LEB_SIZE, # buf0 ≤ m0, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if n ≠ 0 then avol[m3] := mapped(avol[m3].data + mkempbuf(m0 - # avol[m3].data) + subarray(buf, n2, n))⟫ (ebm-vol-inv(avol) ∧ # lpt = # avol)

Heuristic conditional right split applied rule if right

And obtained the following new goals

Proof step 11:
# lpt = # avol, avol[m3] = mapped(buf0), err0 = ESUCCESS, m3 < # avol, ebm-vol-inv(avol), is-aligned(m0, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), # buf0 ≤ m0, m0 + n ≤ LEB_SIZE, n2 + n ≤ # buf, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪avol[m3] := mapped(avol[m3].data + mkempbuf(m0 - # avol[m3].data) + subarray(buf, n2, n))⟫ (ebm-vol-inv(avol) ∧ # lpt = # avol), n = 0
Proof step 12:
# lpt = # avol, avol[m3] = mapped(buf0), err0 = ESUCCESS, n = 0, m3 < # avol, ebm-vol-inv(avol), is-aligned(m0, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), # buf0 ≤ m0, m0 + n ≤ LEB_SIZE, n2 + n ≤ # buf, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪skip⟫ (ebm-vol-inv(avol) ∧ # lpt = # avol)

Rule argument

pos: right 1

Proof step 10 from proof inv-write (previous step)

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

Additional information