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Proof step 19 from proof inv-read (previous step)

avols[default-volid][m2].mapped?, m2 < # avols[default-volid], ebm-cons(avols), default-volid ∈ avols, m1 + n ≤ LEB_SIZE, n0 + n ≤ # buf, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ err0 = ESUCCESS, ∃ buf1. # buf1 = # buf ∧ range=(buf1, 0, buf, 0, n0) ∧ range=(buf1, n0 + n, buf, n0 + n, # buf - n0 + n)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 20:
avols[default-volid][m2].mapped?, m2 < # avols[default-volid], ebm-cons(avols), default-volid ∈ avols, n0 + n ≤ # buf, m1 + n ≤ LEB_SIZE, ⌊err0⌋ ⊦ ∃ buf1. # buf1 = # buf ∧ range=(buf1, 0, buf, 0, n0) ∧ range=(buf1, n0 + n, buf, n0 + n, # buf - n0 + n)

Rule argument

Additional information

Used simplifier rules: ⊦ ⌊err⌋ → err ≠ ESUCCESS; (s)