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Proof step 8 from proof refine-set-gblock-refsize (previous step)

syn ↔ syn0, ginval = ginval2, gstore = gstore3, gstore0 = gstore2, istore = istore1, istore0 = istore2, maxino = maxino1, maxino0 = maxino2, nx = nx0, remove-refsize0(istore1) = istore1, remove-refsize0(gstore2) = gstore2, elems nx0 ∩ ginval0 = ∅, dom gstore2 ∪ elems nx0 = dom gstore3 ∪ ginval0, btree-inv(rp, adr, istore2, istore1, zh, fi, fi0), inv(istore1), inv(istore2), inv(gstore2), inv(gstore3 \ ginval0), ri-inj(fi0), ri-inj(fi), maxino2 ∈ gstore3, istore1 ⊑ istore2, pstate = unbuffered → syn0, pstate.index? → pstate.lnum ∈ istore2, pstate.journal? → nx0 ≠ [] ∧ pstate.lnum = nx0.last ∧ pstate.lnum ∈ gstore3 ⊦ ⟪gstore[maxino0].ref-size := n⟫ ⟨index_set_gblock_refsize#(maxino2, n, fi, fi0, ginval0, gstore2, nx0, maxino1, ginval2, syn0; gstore3)⟩ (gstore3 = gstore), dups(nx0)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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