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Proof step 137 from proof refine-write-buf (previous step)

# buf1 = EB_PAGE_SIZE, # lpt0 = # avol1, # avol0 = # avol1, avol0[m4] = mapped(buf2), align↓(m2 + n3, EB_PAGE_SIZE) = n0 + m2, n1 < # buf3, n1 < n0, m4 < # avol1, m2 < EB_PAGE_SIZE, awbuf-inv(avol1, buffered(m4)), ebm-vol-inv(avol0), is-aligned(# buf2, EB_PAGE_SIZE), is-aligned(n0 + m2, EB_PAGE_SIZE), is-aligned(n1 + m2, EB_PAGE_SIZE), # buf2 + n0 + m2 ≤ LEB_SIZE, n0 ≤ # buf3, # buf2 + m2 + n3 ≤ LEB_SIZE, EB_PAGE_SIZE ≤ m2 + n3, n3 ≤ # buf3, # avol1[m4].data + n3 ≤ LEB_SIZE, ⌊err1⌋ , ∀ n. n < # avol1 → (n ≠ m4 → avol1[n] = avol0[n]) ∧ (n = m4 → avol1[m4] = mapped(buf2 + subarray(buf1, 0, m2))) ⊦ n1 + m2 = 0, avol1[m4] = mapped(buf2 + subarray(buf1, 0, m2)), n3 = 0, is-aligned(# avol1[m4].data + n1, EB_PAGE_SIZE)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 138:
# avol0 = # avol1, # lpt0 = # avol1, # buf1 = EB_PAGE_SIZE, avol0[m4] = mapped(buf2), align↓(m2 + n3, EB_PAGE_SIZE) = n0 + m2, m2 < EB_PAGE_SIZE, m4 < # avol1, n1 < n0, n1 < # buf3, awbuf-inv(avol1, buffered(m4)), ebm-vol-inv(avol0), is-aligned(n1 + m2, EB_PAGE_SIZE), is-aligned(n0 + m2, EB_PAGE_SIZE), is-aligned(# buf2, EB_PAGE_SIZE), # avol1[m4].data + n3 ≤ LEB_SIZE, n3 ≤ # buf3, EB_PAGE_SIZE ≤ m2 + n3, # buf2 + m2 + n3 ≤ LEB_SIZE, n0 ≤ # buf3, # buf2 + n0 + m2 ≤ LEB_SIZE, ⌊err1⌋ , ∀ n. n < # avol1 → avol1[n] = avol0[n] ∧ n ≠ m4 ⊦ n1 + m2 = 0, avol1[m4] = mapped(buf2 + subarray(buf1, 0, m2)), n3 = 0, is-aligned(# avol1[m4].data + n1, EB_PAGE_SIZE)

Proof step 137 from proof refine-write-buf (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information