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Proof step 225 from proof inv-io-save (previous step)

zh[r] = mkznode(r0, zbrar, boolvar, true, m0), adr = @(pstate.lnum, maxino, ind.flashsize), adr2 = adr1, err0 = err, err0 = ESUCCESS, err1 = err0, ginval0 = ginval2, gstore = gstore1, gstore0 = gstore2, ind = save(mkznode(r0, zbrar, boolvar, true, m0)), istore = istore4, istore0 = istore2, istore1 = istore4, istore3 = istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)] [pstate.lnum, istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)][pstate.lnum] .ladrlist:= (istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)][pstate.lnum].ladrlist + @(adr.pos, adr.size)) ], pstate = index(m), remove-refsize0(gstore1) = gstore1, remove-refsize0(istore2) = istore2, elems nx ∩ ginval2 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval2, ((btree(rp, r, adr1, height, dirty, ri, nodes(istore4), as, alladrs, ok) * P))(zh), btree-sub-clean(r, m0, zh), inv (istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)] [pstate.lnum, istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)][pstate.lnum] .ladrlist:= (istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)][pstate.lnum].ladrlist + @(adr.pos, adr.size)) ]), inv(gstore2 \ ginval2), inv(gstore1), inv(istore4), inv(istore2), refsize-cons(istore4, as0 ∪ as), pstate.lnum ∈ istore, pstate.lnum ∈ istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)], r ∈ zh, m ∈ istore4, save(mkznode(r0, zbrar, boolvar, true, m0)).flashsize ≤ LEB_SIZE, save(mkznode(r0, zbrar, boolvar, true, m0)).flashsize ≤ n, n ≤ LEB_SIZE, as ⊆ dom nodes(istore4), as0 ⊆ dom nodes(istore4), alladrs ⊆ dom nodes(istore4), as ⊆ alladrs, istore2 ⊑ istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)] [pstate.lnum, istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)][pstate.lnum] .ladrlist:= (istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)][pstate.lnum].ladrlist + @(adr.pos, adr.size)) ], istore2 ⊑ istore4, pstate.journal? → nx ≠ [] ∧ pstate.lnum = nx.last ∧ pstate.lnum ∈ gstore2, pstate.index? → pstate.lnum ∈ istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)] [pstate.lnum, istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)][pstate.lnum] .ladrlist:= (istore[pstate.lnum, istore[pstate.lnum].indlist:= (istore[pstate.lnum].indlist + ind)][pstate.lnum].ladrlist + @(adr.pos, adr.size)) ], pstate = unbuffered → syn, height = 0 → as = ∅, pstate.index? ∨ pstate.journal?, ¬ @(pstate.lnum, maxino, ind.flashsize) ∈ istore ∧ err = ESUCCESS ∨ ⌊err⌋ ⊦ ⟪let maxino = 0 in {apersistence_get_iblock_refsize#(adr.lnum, adr0, istore3, istore2, ginval2, gstore2, gstore1, nx, maxino0, ginval, pstate, syn; ; maxino); apersistence_set_iblock_refsize# (adr.lnum, maxino + adr.size, adr0, istore2, ginval2, gstore2, gstore1, nx, maxino0, ginval, pstate, syn; istore3)}; if err1 = ESUCCESS then zh[r].dirty := false⟫ ( refsize-cons(istore3, as0 ∪ (err1 = ESUCCESS ⊃ as ++ adr;as)) ∧ inv(istore3) ∧ istore2 ⊑ istore3 ∧ (pstate.journal? → nx ≠ [] ∧ pstate.lnum = nx.last ∧ pstate.lnum ∈ gstore2) ∧ (pstate.index? → pstate.lnum ∈ istore3) ∧ (pstate = unbuffered → syn) ∧ istore1 ⊑ istore3 ∧ r ∈ zh ∧ (err1 = ESUCCESS → ¬ adr ∈ as) ∧ dom nodes(istore3) = dom nodes(istore1) ∪ (err1 = ESUCCESS ⊃ ∅ ++ adr;∅) ∧ (err1 = ESUCCESS → ¬ adr ∈ istore1) ∧ (( btree (rp, r, (err1 = ESUCCESS ⊃ adr;adr1), height, err1 ≠ ESUCCESS, ri, nodes(istore3), (err1 = ESUCCESS ⊃ as ++ adr;as), (err1 = ESUCCESS ⊃ (alladrs -- adr1) ++ adr;alladrs), ok) * P) )(zh) ∧ (err1 = ESUCCESS ∨ ⌊err1⌋ ) ∧ (err1 = ESUCCESS → pstate.index? ∧ ¬ zh[r].dirty)), dups(nx), adr1 ∈ as

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Rule argument

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