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Proof step 313 from proof inv-commit (previous step)

syn ↔ false, zh[rp] = mkznode(r, zbrar, boolvar, true, m), adr0 = adr, remove-refsize0(istore1) = istore1, remove-refsize0(gstore1) = gstore1, elems nx ∩ ginval4 = ∅, dom remove-refsize0(gstore2) ∩ ginval4 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval4, btree-inv(rp, adr, istore3[n, indexblock([], [], 0)], istore1, zh, ri, fi), btree-inv(rp, adr, istore3, istore1, zh, ri, fi), inv(istore3[n, indexblock([], [], 0)]), inv(istore1), inv(istore3), inv(gstore1), inv(gstore2 \ ginval4), inv(istore0), rp ∈ zh, istore1 ⊑ istore0, istore1 ⊑ istore3[n, indexblock([], [], 0)], istore1 ⊑ istore3, istore3[n, indexblock([], [], 0)] ⊑ istore0, err = ESUCCESS → btree-inv(rp, adr1, istore0, istore0, zh0, ri, ri) ∧ btree-inv (rp, adr, istore0[adr1.lnum, istore0[adr1.lnum].ref-size:= (istore0[adr1.lnum].ref-size - adr1.size)], istore1, zh0[rp, zh0[rp].dirty:= true], ri, fi) ∧ ¬ zh0[rp].dirty, err ≠ ESUCCESS → btree-inv(rp, adr, istore0, istore1, zh0, ri, fi), pstate0 = unbuffered → syn1, pstate0.index? → pstate0.lnum ∈ istore0, pstate0.journal? → nx ≠ [] ∧ pstate0.lnum = nx.last ∧ pstate0.lnum ∈ gstore2 ⊦ ⟪skip; if err = ESUCCESS then adr := adr1 else if syn then {zh0[rp].dirty := true; let maxino = 0 in {apersistence_get_iblock_refsize# (adr1.lnum, adr0, istore0, istore1, ginval4, gstore2, gstore1, nx, maxino0, ginval, pstate0, syn1; ; maxino); apersistence_set_iblock_refsize# (adr1.lnum, maxino - adr1.size, adr0, istore1, ginval4, gstore2, gstore1, nx, maxino0, ginval, pstate0, syn1; istore0)}}⟫ ( (∃ ri, fi. btree-inv(rp, adr0, istore0, istore1, zh0, ri, fi)) ∧ inv(gstore2 \ ginval4) ∧ inv(gstore1) ∧ elems nx ∩ ginval4 = ∅ ∧ ¬ dups(nx) ∧ dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval4 ∧ remove-refsize0(gstore1) = gstore1 ∧ inv(istore0) ∧ inv(istore1) ∧ istore1 ⊑ istore0 ∧ remove-refsize0(istore1) = istore1 ∧ (pstate0.journal? → nx ≠ [] ∧ pstate0.lnum = nx.last ∧ pstate0.lnum ∈ gstore2) ∧ (pstate0.index? → pstate0.lnum ∈ istore0) ∧ (pstate0 = unbuffered → syn1)), err = ESUCCESS, dups(nx), n ∈ istore3

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Rule argument

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