Goal:
    G : t  HI : invariants  x : V.t  y : V.t
  ============================
   (match lsp x x with
    | Some 0 => true
    | _ => false
    end = match lsp x x with
          | Some 0 => true
          | _ => false
          end)


DEBUG:Going to execute:
<coq-core.plugins.ltac::trivial@0> $1 $2