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Proof step 15 from proof refine-read-gblock (previous step)

ax = ax0, err = ESUCCESS, err = err0, gndx = gndx0, remove-refsize0(gstore2) = gstore2, remove-refsize0(istore1) = istore1, elems nx0 ∩ ginval0 = ∅, dom gstore2 ∪ elems nx0 = dom gstore0 ∪ ginval0, btree-inv(rp, adr, istore2, istore1, zh, fi, fi0), inv(gstore0 \ ginval0), inv(gstore2), inv(istore2), inv(istore1), ri-inj(fi), ri-inj(fi0), maxino2 ∈ gstore0, istore1 ⊑ istore2, pstate.journal? → nx0 ≠ [] ∧ pstate.lnum = nx0.last ∧ pstate.lnum ∈ gstore0, pstate.index? → pstate.lnum ∈ istore2, pstate = unbuffered → syn0, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪ax := ax + gstore0[maxino2].ladrlist.to-adr(maxino2), gndx := gndx + gstore0[maxino2].gndlist⟫ ⟨index_read_gblock_nodes#(maxino2, fi, fi0, ginval0, gstore0, gstore2, nx0, maxino1, ginval2, syn0; ax0, gndx0; err1)⟩ (ax = ax0 ∧ gndx = gndx0 ∧ err = err1), dups(nx0), maxino2 ∈ ginval0

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 16:
ax = ax0, err = err0, err = ESUCCESS, gndx = gndx0, remove-refsize0(istore1) = istore1, remove-refsize0(gstore2) = gstore2, elems nx0 ∩ ginval0 = ∅, dom gstore2 ∪ elems nx0 = dom gstore0 ∪ ginval0, btree-inv(rp, adr, istore2, istore1, zh, fi, fi0), inv(istore1), inv(istore2), inv(gstore2), inv(gstore0 \ ginval0), ri-inj(fi0), ri-inj(fi), maxino2 ∈ gstore0, istore1 ⊑ istore2, pstate = unbuffered → syn0, pstate.index? → pstate.lnum ∈ istore2, pstate.journal? → nx0 ≠ [] ∧ pstate.lnum = nx0.last ∧ pstate.lnum ∈ gstore0, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟨index_read_gblock_nodes#(maxino2, fi, fi0, ginval0, gstore0, gstore2, nx0, maxino1, ginval2, syn0; ax0, gndx0; err1)⟩ (ax + gstore0[maxino2].ladrlist.to-adr(maxino2) = ax0 ∧ gndx + gstore0[maxino2].gndlist = gndx0 ∧ err = err1), dups(nx0), maxino2 ∈ ginval0

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ ⌊ESUCCESS⌋ ; (s)