theorem
Hex.GraphIso.Nauty.Sparse.refineWith_state
{n : Nat}
(G : SparseGraph n)
(level : Nat)
(lab ptn : Array Nat)
(active : VSet n)
(numcells : Nat)
(scratch : Scratch)
(hp : lab.toList.Perm (List.range n))
(hs : ptn.size = n)
(hend : ptn[n - 1]! ≤ level)
(ha : ∀ (v : Nat), active.mem v = true → v = 0 ∨ ptn[v - 1]! ≤ level)
(hb : Scratch.Bounded n scratch)
:
Full refinement retains labels, original cell contents and boundaries, exact cell accounting, a valid cache, and the active queue invariant.