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Proof step 30 from proof refine-set-gblock-refsize (previous step)

# lpt1 = # avol, # lpt0 = # avol, lpt1[m] = mklp(m1, m2, LP_GROUP_NODES, m3), gstore[m] = groupblock(gndx, lax, m1), adr = adr0, istore = istore1, istore0 = istore2, keyset(gch) = gc-heap(lpt1, log0), log = log0, maxino = m0, ns = ns0, remove-refsize0(gstore0) = gstore0, remove-refsize0(istore1) = istore1, elems log0 ∩ ginval = ∅, dom gstore0 ∪ elems log0 = dom gstore ∪ ginval, ginval < # avol, m < # avol, abs-gstore(avol, lpt1, gstore, ginval), abs-istore(avol, lpt1, istore2), awbuf-inv(avol, bleb), bin-heap-inv(gch, lpt1), buf-ro-rw-mode(pstate = readonly, bleb, lpt1, avol), bufs-log-only(bleb, log0, lpt1), flash-lpt-cons(lpt0, istore1, gstore0), freelist-cons(lpt1, freelist), inv(groupblock(gndx, lax, m1)), inv(gstore \ ginval), inv(gstore0), inv(istore2), inv(istore1), log-group-block(log0, lpt1), lpt-free-unref(lpt1), lpt-free-unref(lpt0), lpt-leb-size(lpt1), lpt-leb-size(lpt0), lpt-ram-flash(lpt1, lpt0, log0), m ∈ log0, m ∈ gstore, istore1 ⊑ istore2, isbuf → synced(avol), pstate = unbuffered → bleb = nobuffer, pstate ≠ unbuffered ∧ pstate ≠ readonly → bleb = buffered(pstate.lnum), pstate.journal? → log0 ≠ [] ∧ pstate.lnum = log0.last ∧ pstate.lnum ∈ gstore, pstate.index? → pstate.lnum ∈ istore2, pstate = unbuffered → isbuf ⊦ ⟨gstore[m].ref-size := n⟩ ( abs-gstore(avol, lpt1[m, lpt1[m].ref-size:= n], gstore, ginval) ∧ (isbuf → synced(avol)) ∧ (pstate = unbuffered → bleb = nobuffer) ∧ (pstate ≠ unbuffered ∧ pstate ≠ readonly → bleb = buffered(pstate.lnum))), dups(log0), m ∈ ginval

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ mklp(m, m0, lpf, m1).ref-size:= m2 = mklp(m2, m0, lpf, m1); (s)% ⊦ groupblock(gndx, lax, m).ref-size:= m0 = groupblock(gndx, lax, m0); (s)%⊦ n ∈ gstore ∧ gstore[n] = groupblock(gndx, lax, n3) ∧ abs-gstore(avol, lpt, gstore, ginval) ∧ lpt[n] = mklp(n0, n1, LP_GROUP_NODES, n4) → abs-gstore (avol, lpt[n, mklp(m0, n1, LP_GROUP_NODES, n2)], gstore[n, groupblock(gndx, lax, m0)], ginval); (s)