10.198 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) (* (* y 4.0) z))
0.026 * * [simplify]: iteration  0 :  14  enodes  (cost  4 )
0.027 * * [simplify]: iteration  1 :  32  enodes  (cost  4 )
0.029 * * [simplify]: iteration  2 :  57  enodes  (cost  4 )
0.030 * * [simplify]: iteration  3 :  63  enodes  (cost  4 )
0.032 * * [simplify]: iteration  4 :  63  enodes  (cost  4 )
0.032 * [simplify]: Simplified to:
   (- (* x x) (* (* y 4.0) z))
0.033 * * [progress]: iteration 1 / 4
0.033 * * * [progress]: picking best candidate
0.034 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.034 * * * [progress]: localizing error
0.041 * * * [progress]: generating rewritten candidates
0.041 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.046 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.050 * * * [progress]: generating series expansions
0.050 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.050 * [approximate]: Taking taylor expansion of (* 4.0 (* z y)) in (y z) around 0
0.050 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.050 * [taylor]: Taking taylor expansion of 4.0 in z
0.050 * [taylor]: Taking taylor expansion of (* z y) in z
0.050 * [taylor]: Taking taylor expansion of z in z
0.050 * [taylor]: Taking taylor expansion of y in z
0.050 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.050 * [taylor]: Taking taylor expansion of 4.0 in y
0.050 * [taylor]: Taking taylor expansion of (* z y) in y
0.050 * [taylor]: Taking taylor expansion of z in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.050 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.050 * [taylor]: Taking taylor expansion of 4.0 in y
0.050 * [taylor]: Taking taylor expansion of (* z y) in y
0.050 * [taylor]: Taking taylor expansion of z in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of 0 in z
0.052 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.052 * [taylor]: Taking taylor expansion of 4.0 in z
0.052 * [taylor]: Taking taylor expansion of z in z
0.053 * [taylor]: Taking taylor expansion of 0 in z
0.055 * [taylor]: Taking taylor expansion of 0 in z
0.057 * [taylor]: Taking taylor expansion of 0 in z
0.057 * [approximate]: Taking taylor expansion of (/ 4.0 (* z y)) in (y z) around 0
0.057 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in z
0.057 * [taylor]: Taking taylor expansion of 4.0 in z
0.057 * [taylor]: Taking taylor expansion of (* z y) in z
0.057 * [taylor]: Taking taylor expansion of z in z
0.057 * [taylor]: Taking taylor expansion of y in z
0.058 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in y
0.058 * [taylor]: Taking taylor expansion of 4.0 in y
0.058 * [taylor]: Taking taylor expansion of (* z y) in y
0.058 * [taylor]: Taking taylor expansion of z in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in y
0.058 * [taylor]: Taking taylor expansion of 4.0 in y
0.058 * [taylor]: Taking taylor expansion of (* z y) in y
0.058 * [taylor]: Taking taylor expansion of z in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.059 * [taylor]: Taking taylor expansion of (/ 4.0 z) in z
0.059 * [taylor]: Taking taylor expansion of 4.0 in z
0.059 * [taylor]: Taking taylor expansion of z in z
0.059 * [taylor]: Taking taylor expansion of 0 in z
0.061 * [taylor]: Taking taylor expansion of 0 in z
0.065 * [taylor]: Taking taylor expansion of 0 in z
0.066 * [approximate]: Taking taylor expansion of (/ 4.0 (* z y)) in (y z) around 0
0.066 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in z
0.066 * [taylor]: Taking taylor expansion of 4.0 in z
0.066 * [taylor]: Taking taylor expansion of (* z y) in z
0.066 * [taylor]: Taking taylor expansion of z in z
0.066 * [taylor]: Taking taylor expansion of y in z
0.067 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in y
0.067 * [taylor]: Taking taylor expansion of 4.0 in y
0.067 * [taylor]: Taking taylor expansion of (* z y) in y
0.067 * [taylor]: Taking taylor expansion of z in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in y
0.067 * [taylor]: Taking taylor expansion of 4.0 in y
0.067 * [taylor]: Taking taylor expansion of (* z y) in y
0.067 * [taylor]: Taking taylor expansion of z in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (/ 4.0 z) in z
0.068 * [taylor]: Taking taylor expansion of 4.0 in z
0.068 * [taylor]: Taking taylor expansion of z in z
0.069 * [taylor]: Taking taylor expansion of 0 in z
0.070 * [taylor]: Taking taylor expansion of 0 in z
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.072 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.072 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.072 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.072 * [taylor]: Taking taylor expansion of x in z
0.072 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.072 * [taylor]: Taking taylor expansion of 4.0 in z
0.072 * [taylor]: Taking taylor expansion of (* z y) in z
0.072 * [taylor]: Taking taylor expansion of z in z
0.072 * [taylor]: Taking taylor expansion of y in z
0.072 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.072 * [taylor]: Taking taylor expansion of x in y
0.072 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.072 * [taylor]: Taking taylor expansion of 4.0 in y
0.072 * [taylor]: Taking taylor expansion of (* z y) in y
0.072 * [taylor]: Taking taylor expansion of z in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.072 * [taylor]: Taking taylor expansion of 4.0 in x
0.072 * [taylor]: Taking taylor expansion of (* z y) in x
0.073 * [taylor]: Taking taylor expansion of z in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.073 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.073 * [taylor]: Taking taylor expansion of 4.0 in x
0.073 * [taylor]: Taking taylor expansion of (* z y) in x
0.073 * [taylor]: Taking taylor expansion of z in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.073 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.073 * [taylor]: Taking taylor expansion of 4.0 in y
0.073 * [taylor]: Taking taylor expansion of (* z y) in y
0.073 * [taylor]: Taking taylor expansion of z in y
0.073 * [taylor]: Taking taylor expansion of y in y
0.074 * [taylor]: Taking taylor expansion of 0 in z
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of 0 in z
0.075 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.075 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.075 * [taylor]: Taking taylor expansion of 4.0 in z
0.075 * [taylor]: Taking taylor expansion of z in z
0.077 * [taylor]: Taking taylor expansion of 1 in y
0.078 * [taylor]: Taking taylor expansion of 1 in z
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.079 * [taylor]: Taking taylor expansion of 0 in z
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.082 * [taylor]: Taking taylor expansion of 0 in z
0.082 * [taylor]: Taking taylor expansion of 0 in z
0.082 * [taylor]: Taking taylor expansion of 0 in z
0.084 * [taylor]: Taking taylor expansion of 0 in z
0.085 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.085 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.085 * [taylor]: Taking taylor expansion of x in z
0.085 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.085 * [taylor]: Taking taylor expansion of 4.0 in z
0.085 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.085 * [taylor]: Taking taylor expansion of (* z y) in z
0.085 * [taylor]: Taking taylor expansion of z in z
0.085 * [taylor]: Taking taylor expansion of y in z
0.085 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.085 * [taylor]: Taking taylor expansion of x in y
0.085 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.085 * [taylor]: Taking taylor expansion of 4.0 in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.085 * [taylor]: Taking taylor expansion of (* z y) in y
0.085 * [taylor]: Taking taylor expansion of z in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.086 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.086 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.086 * [taylor]: Taking taylor expansion of 4.0 in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.086 * [taylor]: Taking taylor expansion of (* z y) in x
0.086 * [taylor]: Taking taylor expansion of z in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.087 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.087 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.087 * [taylor]: Taking taylor expansion of 4.0 in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.087 * [taylor]: Taking taylor expansion of (* z y) in x
0.087 * [taylor]: Taking taylor expansion of z in x
0.087 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of 1 in y
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [taylor]: Taking taylor expansion of 1 in z
0.090 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.090 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.090 * [taylor]: Taking taylor expansion of 4.0 in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.090 * [taylor]: Taking taylor expansion of (* z y) in y
0.090 * [taylor]: Taking taylor expansion of z in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.090 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.090 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.090 * [taylor]: Taking taylor expansion of 4.0 in z
0.091 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.091 * [taylor]: Taking taylor expansion of z in z
0.092 * [taylor]: Taking taylor expansion of 0 in z
0.092 * [taylor]: Taking taylor expansion of 0 in z
0.094 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [taylor]: Taking taylor expansion of 0 in z
0.095 * [taylor]: Taking taylor expansion of 0 in z
0.095 * [taylor]: Taking taylor expansion of 0 in z
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [taylor]: Taking taylor expansion of 0 in z
0.100 * [taylor]: Taking taylor expansion of 0 in z
0.100 * [taylor]: Taking taylor expansion of 0 in z
0.100 * [taylor]: Taking taylor expansion of 0 in z
0.101 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.101 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.101 * [taylor]: Taking taylor expansion of x in z
0.102 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.102 * [taylor]: Taking taylor expansion of 4.0 in z
0.102 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.102 * [taylor]: Taking taylor expansion of (* z y) in z
0.102 * [taylor]: Taking taylor expansion of z in z
0.102 * [taylor]: Taking taylor expansion of y in z
0.102 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.102 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.102 * [taylor]: Taking taylor expansion of 4.0 in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.102 * [taylor]: Taking taylor expansion of (* z y) in y
0.102 * [taylor]: Taking taylor expansion of z in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.103 * [taylor]: Taking taylor expansion of 4.0 in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.103 * [taylor]: Taking taylor expansion of (* z y) in x
0.103 * [taylor]: Taking taylor expansion of z in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.104 * [taylor]: Taking taylor expansion of 4.0 in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.104 * [taylor]: Taking taylor expansion of (* z y) in x
0.104 * [taylor]: Taking taylor expansion of z in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.105 * [taylor]: Taking taylor expansion of 1 in y
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [taylor]: Taking taylor expansion of 1 in z
0.107 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.107 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.107 * [taylor]: Taking taylor expansion of 4.0 in y
0.107 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.107 * [taylor]: Taking taylor expansion of (* z y) in y
0.107 * [taylor]: Taking taylor expansion of z in y
0.107 * [taylor]: Taking taylor expansion of y in y
0.108 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.108 * [taylor]: Taking taylor expansion of 4.0 in z
0.108 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.108 * [taylor]: Taking taylor expansion of z in z
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.111 * [taylor]: Taking taylor expansion of 0 in y
0.112 * [taylor]: Taking taylor expansion of 0 in z
0.112 * [taylor]: Taking taylor expansion of 0 in z
0.112 * [taylor]: Taking taylor expansion of 0 in z
0.116 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [taylor]: Taking taylor expansion of 0 in z
0.118 * [taylor]: Taking taylor expansion of 0 in z
0.118 * [taylor]: Taking taylor expansion of 0 in z
0.118 * [taylor]: Taking taylor expansion of 0 in z
0.118 * * * [progress]: simplifying candidates
0.119 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* y 4.0) z)
  (* (* y 4.0) z)
  (+ (+ (log y) (log 4.0)) (log z))
  (+ (log (* y 4.0)) (log z))
  (log (* (* y 4.0) z))
  (exp (* (* y 4.0) z))
  (* (* (* (* y y) y) (* (* 4.0 4.0) 4.0)) (* (* z z) z))
  (* (* (* (* y 4.0) (* y 4.0)) (* y 4.0)) (* (* z z) z))
  (* (cbrt (* (* y 4.0) z)) (cbrt (* (* y 4.0) z)))
  (cbrt (* (* y 4.0) z))
  (* (* (* (* y 4.0) z) (* (* y 4.0) z)) (* (* y 4.0) z))
  (sqrt (* (* y 4.0) z))
  (sqrt (* (* y 4.0) z))
  (* (* y 4.0) (* (cbrt z) (cbrt z)))
  (* (* y 4.0) (sqrt z))
  (* (* y 4.0) 1)
  (* 4.0 z)
  (/ (exp (* x x)) (exp (* (* y 4.0) z)))
  (log (- (* x x) (* (* y 4.0) z)))
  (exp (- (* x x) (* (* y 4.0) z)))
  (* (cbrt (- (* x x) (* (* y 4.0) z))) (cbrt (- (* x x) (* (* y 4.0) z))))
  (cbrt (- (* x x) (* (* y 4.0) z)))
  (* (* (- (* x x) (* (* y 4.0) z)) (- (* x x) (* (* y 4.0) z))) (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) z) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* (* x x) (* (* y 4.0) z))))
  (- (* (* y 4.0) z))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ (* x x) (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (* 4.0 (* z y))
  (* 4.0 (* z y))
  (* 4.0 (* z y))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
0.123 * * [simplify]: iteration  0 :  173  enodes  (cost  170 )
0.129 * * [simplify]: iteration  1 :  788  enodes  (cost  150 )
0.151 * * [simplify]: iteration  2 :  4578  enodes  (cost  150 )
0.260 * * [simplify]: iteration  3 :  5001  enodes  (cost  150 )
0.261 * [simplify]: Simplified to:
   (* (* y 4.0) z)
  (* (* y 4.0) z)
  (log (* (* y 4.0) z))
  (log (* (* y 4.0) z))
  (log (* (* y 4.0) z))
  (exp (* (* y 4.0) z))
  (pow (* (* y 4.0) z) 3)
  (pow (* (* y 4.0) z) 3)
  (* (cbrt (* (* y 4.0) z)) (cbrt (* (* y 4.0) z)))
  (cbrt (* (* y 4.0) z))
  (pow (* (* y 4.0) z) 3)
  (sqrt (* (* y 4.0) z))
  (sqrt (* (* y 4.0) z))
  (* (* y 4.0) (* (cbrt z) (cbrt z)))
  (* (* y 4.0) (sqrt z))
  (* y 4.0)
  (* 4.0 z)
  (exp (- (* x x) (* (* y 4.0) z)))
  (log (- (* x x) (* (* y 4.0) z)))
  (exp (- (* x x) (* (* y 4.0) z)))
  (* (cbrt (- (* x x) (* (* y 4.0) z))) (cbrt (- (* x x) (* (* y 4.0) z))))
  (cbrt (- (* x x) (* (* y 4.0) z)))
  (pow (- (* x x) (* (* y 4.0) z)) 3)
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) z) 3))
  (+ (* (* (* y 4.0) z) (+ (* (* y 4.0) z) (pow x 2))) (* (* x x) (* x x)))
  (- (* (* y 4.0) z))
  (+ (- (* (* (* y 4.0) z) (* (* y 4.0) z))) (pow x 4))
  (+ (* x x) (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (* (* y 4.0) z)
  (* (* y 4.0) z)
  (* (* y 4.0) z)
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
0.262 * * * [progress]: adding candidates to table
0.311 * * [progress]: iteration 2 / 4
0.311 * * * [progress]: picking best candidate
0.313 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* y (* 4.0 z))))>
0.313 * * * [progress]: localizing error
0.319 * * * [progress]: generating rewritten candidates
0.319 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.324 * * * [progress]: generating series expansions
0.324 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.324 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.324 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.324 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.324 * [taylor]: Taking taylor expansion of x in z
0.324 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.324 * [taylor]: Taking taylor expansion of 4.0 in z
0.324 * [taylor]: Taking taylor expansion of (* z y) in z
0.324 * [taylor]: Taking taylor expansion of z in z
0.324 * [taylor]: Taking taylor expansion of y in z
0.324 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.324 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.324 * [taylor]: Taking taylor expansion of x in y
0.324 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.324 * [taylor]: Taking taylor expansion of 4.0 in y
0.324 * [taylor]: Taking taylor expansion of (* z y) in y
0.324 * [taylor]: Taking taylor expansion of z in y
0.325 * [taylor]: Taking taylor expansion of y in y
0.325 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.325 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.325 * [taylor]: Taking taylor expansion of 4.0 in x
0.325 * [taylor]: Taking taylor expansion of (* z y) in x
0.325 * [taylor]: Taking taylor expansion of z in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.325 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.325 * [taylor]: Taking taylor expansion of 4.0 in x
0.325 * [taylor]: Taking taylor expansion of (* z y) in x
0.325 * [taylor]: Taking taylor expansion of z in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.325 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.325 * [taylor]: Taking taylor expansion of 4.0 in y
0.325 * [taylor]: Taking taylor expansion of (* z y) in y
0.325 * [taylor]: Taking taylor expansion of z in y
0.325 * [taylor]: Taking taylor expansion of y in y
0.326 * [taylor]: Taking taylor expansion of 0 in z
0.327 * [taylor]: Taking taylor expansion of 0 in y
0.327 * [taylor]: Taking taylor expansion of 0 in z
0.328 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.328 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.328 * [taylor]: Taking taylor expansion of 4.0 in z
0.328 * [taylor]: Taking taylor expansion of z in z
0.330 * [taylor]: Taking taylor expansion of 1 in y
0.330 * [taylor]: Taking taylor expansion of 1 in z
0.330 * [taylor]: Taking taylor expansion of 0 in z
0.331 * [taylor]: Taking taylor expansion of 0 in z
0.335 * [taylor]: Taking taylor expansion of 0 in y
0.335 * [taylor]: Taking taylor expansion of 0 in z
0.335 * [taylor]: Taking taylor expansion of 0 in z
0.335 * [taylor]: Taking taylor expansion of 0 in z
0.337 * [taylor]: Taking taylor expansion of 0 in z
0.338 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.338 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.338 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.338 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.338 * [taylor]: Taking taylor expansion of x in z
0.338 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.338 * [taylor]: Taking taylor expansion of 4.0 in z
0.338 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.338 * [taylor]: Taking taylor expansion of (* z y) in z
0.338 * [taylor]: Taking taylor expansion of z in z
0.338 * [taylor]: Taking taylor expansion of y in z
0.339 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.339 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.339 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.339 * [taylor]: Taking taylor expansion of x in y
0.339 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.339 * [taylor]: Taking taylor expansion of 4.0 in y
0.339 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.339 * [taylor]: Taking taylor expansion of (* z y) in y
0.339 * [taylor]: Taking taylor expansion of z in y
0.339 * [taylor]: Taking taylor expansion of y in y
0.339 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.339 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.339 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.339 * [taylor]: Taking taylor expansion of x in x
0.340 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.340 * [taylor]: Taking taylor expansion of 4.0 in x
0.340 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.340 * [taylor]: Taking taylor expansion of (* z y) in x
0.340 * [taylor]: Taking taylor expansion of z in x
0.340 * [taylor]: Taking taylor expansion of y in x
0.340 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.340 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.340 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.340 * [taylor]: Taking taylor expansion of x in x
0.341 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.341 * [taylor]: Taking taylor expansion of 4.0 in x
0.341 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.341 * [taylor]: Taking taylor expansion of (* z y) in x
0.341 * [taylor]: Taking taylor expansion of z in x
0.341 * [taylor]: Taking taylor expansion of y in x
0.341 * [taylor]: Taking taylor expansion of 1 in y
0.343 * [taylor]: Taking taylor expansion of 0 in y
0.343 * [taylor]: Taking taylor expansion of 1 in z
0.344 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.344 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.344 * [taylor]: Taking taylor expansion of 4.0 in y
0.344 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.344 * [taylor]: Taking taylor expansion of (* z y) in y
0.344 * [taylor]: Taking taylor expansion of z in y
0.344 * [taylor]: Taking taylor expansion of y in y
0.345 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.345 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.345 * [taylor]: Taking taylor expansion of 4.0 in z
0.345 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.345 * [taylor]: Taking taylor expansion of z in z
0.346 * [taylor]: Taking taylor expansion of 0 in z
0.346 * [taylor]: Taking taylor expansion of 0 in z
0.348 * [taylor]: Taking taylor expansion of 0 in y
0.349 * [taylor]: Taking taylor expansion of 0 in z
0.349 * [taylor]: Taking taylor expansion of 0 in z
0.349 * [taylor]: Taking taylor expansion of 0 in z
0.353 * [taylor]: Taking taylor expansion of 0 in y
0.354 * [taylor]: Taking taylor expansion of 0 in z
0.355 * [taylor]: Taking taylor expansion of 0 in z
0.355 * [taylor]: Taking taylor expansion of 0 in z
0.355 * [taylor]: Taking taylor expansion of 0 in z
0.356 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.356 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.356 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.356 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.356 * [taylor]: Taking taylor expansion of x in z
0.356 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.356 * [taylor]: Taking taylor expansion of 4.0 in z
0.356 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.356 * [taylor]: Taking taylor expansion of (* z y) in z
0.356 * [taylor]: Taking taylor expansion of z in z
0.356 * [taylor]: Taking taylor expansion of y in z
0.357 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.357 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.357 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.357 * [taylor]: Taking taylor expansion of x in y
0.357 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.357 * [taylor]: Taking taylor expansion of 4.0 in y
0.357 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.357 * [taylor]: Taking taylor expansion of (* z y) in y
0.357 * [taylor]: Taking taylor expansion of z in y
0.357 * [taylor]: Taking taylor expansion of y in y
0.357 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.357 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.357 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.357 * [taylor]: Taking taylor expansion of x in x
0.358 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.358 * [taylor]: Taking taylor expansion of 4.0 in x
0.358 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.358 * [taylor]: Taking taylor expansion of (* z y) in x
0.358 * [taylor]: Taking taylor expansion of z in x
0.358 * [taylor]: Taking taylor expansion of y in x
0.358 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.358 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.358 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.358 * [taylor]: Taking taylor expansion of x in x
0.358 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.359 * [taylor]: Taking taylor expansion of 4.0 in x
0.359 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.359 * [taylor]: Taking taylor expansion of (* z y) in x
0.359 * [taylor]: Taking taylor expansion of z in x
0.359 * [taylor]: Taking taylor expansion of y in x
0.359 * [taylor]: Taking taylor expansion of 1 in y
0.360 * [taylor]: Taking taylor expansion of 0 in y
0.360 * [taylor]: Taking taylor expansion of 1 in z
0.361 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.361 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.361 * [taylor]: Taking taylor expansion of 4.0 in y
0.361 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.361 * [taylor]: Taking taylor expansion of (* z y) in y
0.361 * [taylor]: Taking taylor expansion of z in y
0.361 * [taylor]: Taking taylor expansion of y in y
0.362 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.362 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.362 * [taylor]: Taking taylor expansion of 4.0 in z
0.362 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.362 * [taylor]: Taking taylor expansion of z in z
0.363 * [taylor]: Taking taylor expansion of 0 in z
0.363 * [taylor]: Taking taylor expansion of 0 in z
0.365 * [taylor]: Taking taylor expansion of 0 in y
0.366 * [taylor]: Taking taylor expansion of 0 in z
0.366 * [taylor]: Taking taylor expansion of 0 in z
0.366 * [taylor]: Taking taylor expansion of 0 in z
0.370 * [taylor]: Taking taylor expansion of 0 in y
0.370 * [taylor]: Taking taylor expansion of 0 in z
0.371 * [taylor]: Taking taylor expansion of 0 in z
0.371 * [taylor]: Taking taylor expansion of 0 in z
0.371 * [taylor]: Taking taylor expansion of 0 in z
0.372 * * * [progress]: simplifying candidates
0.372 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* x x)) (exp (* y (* 4.0 z))))
  (log (- (* x x) (* y (* 4.0 z))))
  (exp (- (* x x) (* y (* 4.0 z))))
  (* (cbrt (- (* x x) (* y (* 4.0 z)))) (cbrt (- (* x x) (* y (* 4.0 z)))))
  (cbrt (- (* x x) (* y (* 4.0 z))))
  (* (* (- (* x x) (* y (* 4.0 z))) (- (* x x) (* y (* 4.0 z)))) (- (* x x) (* y (* 4.0 z))))
  (sqrt (- (* x x) (* y (* 4.0 z))))
  (sqrt (- (* x x) (* y (* 4.0 z))))
  (- (pow (* x x) 3) (pow (* y (* 4.0 z)) 3))
  (+ (* (* x x) (* x x)) (+ (* (* y (* 4.0 z)) (* y (* 4.0 z))) (* (* x x) (* y (* 4.0 z)))))
  (- (* y (* 4.0 z)))
  (- (* (* x x) (* x x)) (* (* y (* 4.0 z)) (* y (* 4.0 z))))
  (+ (* x x) (* y (* 4.0 z)))
  (- (* y (* 4.0 z)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
0.378 * * [simplify]: iteration  0 :  98  enodes  (cost  103 )
0.381 * * [simplify]: iteration  1 :  447  enodes  (cost  93 )
0.393 * * [simplify]: iteration  2 :  2194  enodes  (cost  93 )
0.448 * * [simplify]: iteration  3 :  5001  enodes  (cost  93 )
0.449 * [simplify]: Simplified to:
   (exp (- (* x x) (* y (* 4.0 z))))
  (log (- (* x x) (* y (* 4.0 z))))
  (exp (- (* x x) (* y (* 4.0 z))))
  (* (cbrt (- (* x x) (* y (* 4.0 z)))) (cbrt (- (* x x) (* y (* 4.0 z)))))
  (cbrt (- (* x x) (* y (* 4.0 z))))
  (pow (- (pow x 2) (* 4.0 (* z y))) 3)
  (sqrt (- (* x x) (* y (* 4.0 z))))
  (sqrt (- (* x x) (* y (* 4.0 z))))
  (- (pow (* x x) 3) (pow (* y (* 4.0 z)) 3))
  (+ (* (* y (* 4.0 z)) (+ (* y (* 4.0 z)) (pow x 2))) (* (* x x) (* x x)))
  (- (* y (* 4.0 z)))
  (+ (- (* (* y (* 4.0 z)) (* y (* 4.0 z)))) (pow x 4))
  (+ (* x x) (* y (* 4.0 z)))
  (- (* y (* 4.0 z)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
0.449 * * * [progress]: adding candidates to table
0.473 * [progress]: [Phase 3 of 3] Extracting.
0.475 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) (* y (* 4.0 z)))
0.476 * * [simplify]: iteration  0 :  10  enodes  (cost  4 )
0.476 * * [simplify]: iteration  1 :  10  enodes  (cost  4 )
0.476 * [simplify]: Simplified to:
   (- (* x x) (* y (* 4.0 z)))
1.072 * [regime-testing]: End program error score: 0.047505938242280284