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Proof step 8 from proof refine-deallocate-gnd (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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