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Proof step 12 from proof refine-get-gblock-refsize (previous step)

gstore0[maxino2] = groupblock(gndx, lax, m), 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, ¬ dups(nx0), pstate = unbuffered → syn0, pstate.index? → pstate.lnum ∈ istore2, pstate.journal? → nx0 ≠ [] ∧ pstate.lnum = nx0.last ∧ pstate.lnum ∈ gstore0 ⊦ ⟨index_get_gblock_refsize#(maxino2, fi, fi0, ginval0, gstore0, gstore2, nx0, maxino1, ginval2, syn0; ; n0)⟩ (m = n0)

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 13:
syn ↔ syn0, gstore0[maxino2] = groupblock(gndx, lax, m), fi = fi1, fi0 = fi2, ginval = ginval2, gstore = gstore2, maxino = maxino1, maxino0 = maxino2, nx = nx0, 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, fi2, fi1), inv(gstore0 \ ginval0), inv(gstore2), inv(istore2), inv(istore1), ri-inj(fi2), ri-inj(fi1), maxino2 ∈ gstore0, istore1 ⊑ istore2, pstate.journal? → nx0 ≠ [] ∧ pstate.lnum = nx0.last ∧ pstate.lnum ∈ gstore0, pstate.index? → pstate.lnum ∈ istore2, pstate = unbuffered → syn0 ⊦ ⟨if maxino0 ∈ gstore0 then n := gstore0[maxino0].ref-size else abort⟩ (m = n), dups(nx0)

Rule argument

pos: right 1

Additional information

Used simplifier rules: index_get_gblock_refsize# (LNUM, PRI, PFI, PINVAL, PSTORE, PSTORE0, PNL, PMAXINO, P_OS, ISYNCED ; ; N ) {if LNUM ∈ PSTORE then N := PSTORE[LNUM].ref-size else abort};