<<<■■■ depth = 26
<<<■■■ Begin: id = "e_add"
<<<■■■ graph = ("binary")
-/"op"/->"-"
-/"exp2"/->("const")
	-/"type"/->"integer"
	-/"value"/->"2"
-/"exp1"/->("const")
	-/"type"/->"integer"
	-/"value"/->"1"
<<<■■■ depth = 27
<<<■■■ Begin: id = "e_mul"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
<<<■■■ depth = 28
<<<■■■ Begin: id = "e_or"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
<<<■■■ depth = 29
<<<■■■ Begin: id = "e_xor"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
<<<■■■ depth = 30
<<<■■■ Begin: id = "e_and"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
<<<■■■ depth = 31
<<<■■■ Begin: id = "e_shift"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
<<<■■■ depth = 32
<<<■■■ Begin: id = "e_unry_op"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
<<<■■■ depth = 33
<<<■■■ Begin: id = "prim"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
<<<■■■ depth = 34
<<<■■■ Begin: id = "const_real"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
>>>■■■ depth = 34
>>>■■■ Fail: id = "const_real"
<<<■■■ depth = 34
<<<■■■ Begin: id = "const_hexa"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
>>>■■■ depth = 34
>>>■■■ Fail: id = "const_hexa"
<<<■■■ depth = 34
<<<■■■ Begin: id = "const_integer"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"2"
>>>■■■ depth = 34
>>>■■■ Success: id = "const_integer"
>>>■■■ After ptree0 = ("const_integer", "2")
>>>■■■ depth = 33
>>>■■■ Success: id = "prim"
>>>■■■ After ptree0 = ("prim", ("{}", ("e_const", (("const_integer", "2")))), ("{}*"))
>>>■■■ depth = 32
>>>■■■ Success: id = "e_unry_op"
>>>■■■ After ptree0 = ("e_unry_op", ("{}", ("euop", (("{}?")))), ("prim", ("{}", ("e_const", (("const_integer", "2")))), ("{}*")))
>>>■■■ depth = 31
>>>■■■ Success: id = "e_shift"
>>>■■■ After ptree0 = ("e_shift", ("e_unry_op", ("{}", ("euop", (("{}?")))), ("prim", ("{}", ("e_const", (("const_integer", "2")))), ("{}*"))), ("{}?"))
>>>■■■ depth = 30
>>>■■■ Success: id = "e_and"
>>>■■■ After ptree0 = ("e_and", ("e_shift", ("e_unry_op", ("{}", ("euop", (("{}?")))), ("prim", ("{}", ("e_const", (("const_integer", "2")))), ("{}*"))), ("{}?")), ("{}*"))
>>>■■■ depth = 29
>>>■■■ Success: id = "e_xor"
>>>■■■ After ptree0 = (
 "e_xor",
 (
  "e_and",
  ("e_shift", ("e_unry_op", ("{}", ("euop", (("{}?")))), ("prim", ("{}", ("e_const", (("const_integer", "2")))), ("{}*"))), ("{}?")),
  ("{}*")
 ),
 ("{}*")
)
>>>■■■ depth = 28
>>>■■■ Success: id = "e_or"
>>>■■■ After ptree0 = (
 "e_or",
 (
  "e_xor",
  (
   "e_and",
   ("e_shift", ("e_unry_op", ("{}", ("euop", (("{}?")))), ("prim", ("{}", ("e_const", (("const_integer", "2")))), ("{}*"))), ("{}?")),
   ("{}*")
  ),
  ("{}*")
 ),
 ("{}*")
)
>>>■■■ depth = 27
>>>■■■ Success: id = "e_mul"
>>>■■■ After ptree0 = (
 "e_mul",
 (
  "e_or",
  (
   "e_xor",
   (
    "e_and",
    ("e_shift", ("e_unry_op", ("{}", ("euop", (("{}?")))), ("prim", ("{}", ("e_const", (("const_integer", "2")))), ("{}*"))), ("{}?")),
    ("{}*")
   ),
   ("{}*")
  ),
  ("{}*")

<<<■■■ depth = 27
<<<■■■ Begin: id = "e_mul"
<<<■■■ graph = ("const")
-/"type"/->"integer"
-/"value"/->"1"