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Proof step 5 from proof refine-allocate-gnd (previous step)

syn ↔ true, ginval = ginval3, ginval0 = ginval2, ginval1 = ginval3, gstore = gstore3, gstore0 = gstore2, gstore1 = gstore3, istore = istore1, istore0 = istore2, maxino = maxino0, nx = nx0, nx1 = nx0, remove-refsize0(gstore2) = gstore2, remove-refsize0(istore1) = istore1, elems nx0 ∩ ginval3 = ∅, dom gstore2 ∪ elems nx0 = dom gstore3 ∪ ginval3, btree-inv(rp, adr, istore2, istore1, zh, fi, fi0), inv(gstore3 \ ginval3), inv(gstore2), inv(istore2), inv(istore1), ri-inj(fi), ri-inj(fi0), istore1 ⊑ istore2, pstate.journal? → nx0 ≠ [] ∧ pstate.lnum = nx0.last ∧ pstate.lnum ∈ gstore3, pstate.index? → pstate.lnum ∈ istore2 ⊦ ⟪apersistence_allocate_gnd#(adr, istore0, istore, gstore0, maxino, ginval0, syn; ginval, gstore, nx, pstate; err)⟫ ⟨index_allocate_gnd#(fi, fi0, gstore2, maxino0, ginval2, true; ginval1, gstore1, nx1; err0)⟩ (ginval1 = ginval ∧ gstore1 = gstore ∧ nx1 = nx ∧ err = err0), dups(nx0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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