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Proof step 5 from proof inv-read (previous step)

buf0 = buf, m = m1, m0 = m2, m2 < # avols[v], ebm-cons(avols), v ∈ avols, n0 + n ≤ # buf, m1 + n ≤ LEB_SIZE ⊦ ⟪fail_or_success#(; ; err); if err = ESUCCESS then if ¬ avols[v][m0].mapped? then buf0 := fill(buf0, empty, n0, n) else buf0 := copy(avols[v][m0].data, m, buf0, n0, n) else choose buf with # buf = # buf0 ∧ range=(buf, 0, buf0, 0, n0) ∧ range=(buf, n0 + n, buf0, n0 + n, # buf0 - n0 + n) in buf0 := buf⟫ true

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
m2 < # avols[v], ebm-cons(avols), v ∈ avols, m1 + n ≤ LEB_SIZE, n0 + n ≤ # buf ⊦ ⟪fail_or_success#(; ; err); if err = ESUCCESS then if ¬ avols[v][m2].mapped? then buf := fill(buf, empty, n0, n) else buf := copy(avols[v][m2].data, m1, buf, n0, n) else choose buf1 with # buf1 = # buf ∧ range=(buf1, 0, buf, 0, n0) ∧ range=(buf1, n0 + n, buf, n0 + n, # buf - n0 + n) in buf := buf1⟫ true

Proof step 5 from proof inv-read (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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