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Proof step 12 from proof inv-read-buf (previous step)

# buf1 = # buf, # lpt = # avol, avol[m3] = mapped(buf0), m3 < # avol, awbuf-inv(avol, bleb), range=(buf1, n, buf, n, # buf - n), n ≤ # buf, m0 + n ≤ LEB_SIZE, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪buf := buf1⟫ true, err0 = ESUCCESS

Proof step 12 from proof inv-read-buf (previous step)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

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