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Proof step 24 from proof refine-map (previous step)

⟨avols[v][vtblpnum0] := mapped(mkempbuf(vtblpnum) + subarray(buf, n1, n0) + mkempbuf(LEB_SIZE - vtblpnum - n0), vtblpnum + n0)⟩ (avols = avols0 ∧ err2 = err1), ⟨fail_or_success#(; ; err)⟩ (err = err2), # apebs = # wlar, vols[v][vtblpnum2] = unmapped, buf = mkbuf(0), err2 = ESUCCESS, n0 = 0, n1 = 0, vtblpnum = 0, vtblpnum0 = vtblpnum2, vtblpnum2 < # avols[v], vtblpnum2 < # vols[v], abs(avols0, apebs0, vols0, q0), abs(avols, apebs, vols, q), bflipset-cons(bflipset, wlar), ebm-cons(avols), ubi-io-inv(apebs), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum3), valid-eraseq(q), valid-eraseq(wlar, q), valid-eraseq(apebs, q), valid-global-sqn(apebs, sqnum), valid-vtbl(apebs, vols, wlar, vtblpnum3), valid-wl(apebs, wlar), v ∈ avols, v ∈ vols ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err = ESUCCESS then avols[v][vtblpnum2] := mapped(emptyleb, 0)⟩ (abs(avols, apebs0, vols0, q0) ∧ err1 = err), avols[v][vtblpnum2].mapped?, VTBL_VOLID ∈ vols

Heuristic symbolic execution applied rule assign left

And obtained the following new goals

Rule argument

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