Goal:
    A : Type  l : list A  hd : A  tl : list A
  ============================
   (Some hd = Some hd ∧ tl = tl)


DEBUG:Going to execute:
fun => <coq-core.plugins.ltac::split@0>

Goals:
    A : Type  l : list A  hd : A  tl : list A
  ============================
   (Some hd = Some hd)

    A : Type  l : list A  hd : A  tl : list A
  ============================
   (tl = tl)


DEBUG:Going to execute:
do_ccl

Goals:
    A : Type  l : list A  hd : A  tl : list A
  ============================
   (Some hd = Some hd)

    A : Type  l : list A  hd : A  tl : list A
  ============================
   (tl = tl)


DEBUG:Going to execute:
try do_atom; repeat (do_intro; try do_atom); try arith_congr;
            (solve [ split; do_ccl ])

Goals:
    A : Type  l : list A  hd : A  tl : list A
  ============================
   (Some hd = Some hd)

    A : Type  l : list A  hd : A  tl : list A
  ============================
   (tl = tl)


DEBUG:Going to execute:
try do_atom; repeat (do_intro; try do_atom); try arith_congr;
            (solve [ split; do_ccl ])

Goals:
    A : Type  l : list A  hd : A  tl : list A
  ============================
   (Some hd = Some hd)

    A : Type  l : list A  hd : A  tl : list A
  ============================
   (tl = tl)


DEBUG:Going to execute:
try do_atom; repeat (do_intro; try do_atom); try arith_congr

Goals:
    A : Type  l : list A  hd : A  tl : list A
  ============================
   (Some hd = Some hd)

    A : Type  l : list A  hd : A  tl : list A
  ============================
   (tl = tl)


DEBUG:Going to execute:
try do_atom; repeat (do_intro; try do_atom)

Goals:
    A : Type  l : list A  hd : A  tl : list A
  ============================
   (Some hd = Some hd)

    A : Type  l : list A  hd : A  tl : list A
  ============================
   (tl = tl)


DEBUG:Going to execute:
try do_atom