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Proof step 21 from proof refine-write (previous step)

LEB_SIZE = n1 + m1, avols[default-volid][m2] = mapped(buf0, n2), avol = abs(avols[default-volid]), n1 = n0 + n, m2 < # avols[default-volid], ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), is-aligned(n, EB_PAGE_SIZE), is-aligned(m1, EB_PAGE_SIZE), default-volid ∈ avols, n + m1 ≤ LEB_SIZE, n3 + n ≤ # buf, m1 + n ≤ LEB_SIZE, n2 ≤ m1, m1 ≤ LEB_SIZE, n2 ≤ LEB_SIZE ⊦ ⟨ebm_avol_write#(m2, m1, n3, n, buf; avol; err1)⟩ ( avol = abs(avols[default-volid][m2, mapped(subarray(avols[default-volid][m2].data, 0, m1) + subarray(buf, n3, n) + mkempbuf(n0), m1 + n)]) ∧ ESUCCESS = err1), n = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 22:
LEB_SIZE = (n0 + n) + m1, avols[default-volid][m2] = mapped(buf0, n2), avol = abs(avols[default-volid]), n ≠ 0, m2 < # avols[default-volid], ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), is-aligned(m1, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), default-volid ∈ avols, n2 ≤ LEB_SIZE, m1 ≤ LEB_SIZE, n2 ≤ m1, m1 + n ≤ LEB_SIZE, n3 + n ≤ # buf, n + m1 ≤ LEB_SIZE ⊦ ⟨ebm_avol_write#(m2, m1, n3, n, buf; avol; err1)⟩ ( avol = abs(avols[default-volid][m2, mapped(subarray(avols[default-volid][m2].data, 0, m1) + subarray(buf, n3, n) + mkempbuf(n0), m1 + n)]) ∧ ESUCCESS = err1)

Proof step 21 from proof refine-write (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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