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Proof step 11 from proof inv-write (previous step)

err0 = ESUCCESS, avols[v][m2].mapped?, m2 < # avols[v], ebm-cons(avols), is-aligned(n, EB_PAGE_SIZE), is-aligned(m1, EB_PAGE_SIZE), v ∈ avols, n + n2 ≤ # buf, m1 + n ≤ LEB_SIZE, avols[v][m2].mapped? → avols[v][m2].fill ≤ m1, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if n ≠ 0 then avols[v][m2] := mapped(subarray(avols[v][m2].data, 0, m1) + subarray(buf, n2, n) + mkempbuf(LEB_SIZE - m1 - n), m1 + n)⟫ ebm-cons(avols)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
avols[v][m2].mapped?, m2 < # avols[v], ebm-cons(avols), is-aligned(m1, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), v ∈ avols, m1 + n ≤ LEB_SIZE, n + n2 ≤ # buf, avols[v][m2].fill ≤ m1 ⊦ ⟪if n ≠ 0 then avols[v][m2] := mapped(subarray(avols[v][m2].data, 0, m1) + subarray(buf, n2, n) + mkempbuf(LEB_SIZE - m1 - n), m1 + n)⟫ ebm-cons(avols)

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ ⌊ESUCCESS⌋ ; (s)