24.113 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* 4.0 (- (- x y) (* z 0.5))) z)
0.022 * * [simplify]: iteration  0 :  20  enodes  (cost  5 )
0.024 * * [simplify]: iteration  1 :  47  enodes  (cost  5 )
0.026 * * [simplify]: iteration  2 :  138  enodes  (cost  5 )
0.029 * * [simplify]: iteration  3 :  317  enodes  (cost  5 )
0.034 * * [simplify]: iteration  4 :  611  enodes  (cost  5 )
0.042 * * [simplify]: iteration  5 :  1239  enodes  (cost  5 )
0.055 * * [simplify]: iteration  6 :  1919  enodes  (cost  5 )
0.080 * * [simplify]: iteration  7 :  5001  enodes  (cost  5 )
0.081 * [simplify]: Simplified to:
   (/ (* 4.0 (- (- x y) (* z 0.5))) z)
0.081 * * [progress]: iteration 1 / 4
0.081 * * * [progress]: picking best candidate
0.083 * * * * [pick]: Picked  #<alt (λ (x y z) (/ (* 4.0 (- (- x y) (* z 0.5))) z))>
0.083 * * * [progress]: localizing error
0.090 * * * [progress]: generating rewritten candidates
0.090 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.101 * * * [progress]: generating series expansions
0.101 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.101 * [approximate]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in (x y z) around 0
0.101 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in z
0.101 * [taylor]: Taking taylor expansion of 4.0 in z
0.101 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in z
0.101 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in z
0.101 * [taylor]: Taking taylor expansion of x in z
0.101 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in z
0.101 * [taylor]: Taking taylor expansion of (* 0.5 z) in z
0.101 * [taylor]: Taking taylor expansion of 0.5 in z
0.101 * [taylor]: Taking taylor expansion of z in z
0.101 * [taylor]: Taking taylor expansion of y in z
0.102 * [taylor]: Taking taylor expansion of z in z
0.102 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in y
0.102 * [taylor]: Taking taylor expansion of 4.0 in y
0.102 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in y
0.102 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in y
0.102 * [taylor]: Taking taylor expansion of (* 0.5 z) in y
0.102 * [taylor]: Taking taylor expansion of 0.5 in y
0.102 * [taylor]: Taking taylor expansion of z in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [taylor]: Taking taylor expansion of z in y
0.102 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in x
0.102 * [taylor]: Taking taylor expansion of 4.0 in x
0.102 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in x
0.103 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in x
0.103 * [taylor]: Taking taylor expansion of (* 0.5 z) in x
0.103 * [taylor]: Taking taylor expansion of 0.5 in x
0.103 * [taylor]: Taking taylor expansion of z in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of z in x
0.103 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in x
0.103 * [taylor]: Taking taylor expansion of 4.0 in x
0.103 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in x
0.103 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in x
0.103 * [taylor]: Taking taylor expansion of (* 0.5 z) in x
0.103 * [taylor]: Taking taylor expansion of 0.5 in x
0.103 * [taylor]: Taking taylor expansion of z in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of z in x
0.103 * [taylor]: Taking taylor expansion of (* -4.0 (/ (+ (* 0.5 z) y) z)) in y
0.103 * [taylor]: Taking taylor expansion of -4.0 in y
0.103 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 z) y) z) in y
0.103 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in y
0.103 * [taylor]: Taking taylor expansion of (* 0.5 z) in y
0.103 * [taylor]: Taking taylor expansion of 0.5 in y
0.103 * [taylor]: Taking taylor expansion of z in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of z in y
0.104 * [taylor]: Taking taylor expansion of -2.0 in z
0.105 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in y
0.105 * [taylor]: Taking taylor expansion of 4.0 in y
0.105 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.105 * [taylor]: Taking taylor expansion of z in y
0.105 * [taylor]: Taking taylor expansion of (/ 4.0 z) in z
0.105 * [taylor]: Taking taylor expansion of 4.0 in z
0.105 * [taylor]: Taking taylor expansion of z in z
0.107 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.107 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.107 * [taylor]: Taking taylor expansion of 4.0 in z
0.107 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.107 * [taylor]: Taking taylor expansion of z in z
0.108 * [approximate]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in (x y z) around 0
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in z
0.108 * [taylor]: Taking taylor expansion of 4.0 in z
0.108 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in z
0.108 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in z
0.108 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.108 * [taylor]: Taking taylor expansion of x in z
0.108 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in z
0.108 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z
0.108 * [taylor]: Taking taylor expansion of 0.5 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 (/ 1 y) in z
0.109 * [taylor]: Taking taylor expansion of y in z
0.109 * [taylor]: Taking taylor expansion of z in z
0.109 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in y
0.109 * [taylor]: Taking taylor expansion of 4.0 in y
0.109 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in y
0.109 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.109 * [taylor]: Taking taylor expansion of x in y
0.109 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in y
0.109 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in y
0.109 * [taylor]: Taking taylor expansion of 0.5 in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.109 * [taylor]: Taking taylor expansion of z in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.109 * [taylor]: Taking taylor expansion of z in y
0.109 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in x
0.109 * [taylor]: Taking taylor expansion of 4.0 in x
0.109 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in x
0.109 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in x
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.110 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.110 * [taylor]: Taking taylor expansion of 0.5 in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.110 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in x
0.110 * [taylor]: Taking taylor expansion of 4.0 in x
0.110 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in x
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.110 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.110 * [taylor]: Taking taylor expansion of 0.5 in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.111 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.111 * [taylor]: Taking taylor expansion of 4.0 in y
0.111 * [taylor]: Taking taylor expansion of z in y
0.112 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ z y)) 2.0)) in y
0.112 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.112 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.112 * [taylor]: Taking taylor expansion of 4.0 in y
0.112 * [taylor]: Taking taylor expansion of (/ z y) in y
0.112 * [taylor]: Taking taylor expansion of z in y
0.112 * [taylor]: Taking taylor expansion of y in y
0.112 * [taylor]: Taking taylor expansion of 2.0 in y
0.112 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.112 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.112 * [taylor]: Taking taylor expansion of 4.0 in z
0.112 * [taylor]: Taking taylor expansion of z in z
0.113 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.113 * [taylor]: Taking taylor expansion of 4.0 in z
0.113 * [taylor]: Taking taylor expansion of z in z
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [taylor]: Taking taylor expansion of (- 2.0) in z
0.116 * [taylor]: Taking taylor expansion of 2.0 in z
0.117 * [taylor]: Taking taylor expansion of 0 in z
0.124 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [taylor]: Taking taylor expansion of 0 in z
0.127 * [taylor]: Taking taylor expansion of 0 in z
0.127 * [taylor]: Taking taylor expansion of 0 in z
0.131 * [approximate]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in (x y z) around 0
0.131 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in z
0.131 * [taylor]: Taking taylor expansion of -4.0 in z
0.131 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in z
0.131 * [taylor]: Taking taylor expansion of z in z
0.131 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in z
0.132 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in z
0.132 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z
0.132 * [taylor]: Taking taylor expansion of 0.5 in z
0.132 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.132 * [taylor]: Taking taylor expansion of z in z
0.132 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.132 * [taylor]: Taking taylor expansion of y in z
0.132 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.132 * [taylor]: Taking taylor expansion of x in z
0.132 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in y
0.132 * [taylor]: Taking taylor expansion of -4.0 in y
0.132 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in y
0.132 * [taylor]: Taking taylor expansion of z in y
0.132 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in y
0.132 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in y
0.132 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in y
0.132 * [taylor]: Taking taylor expansion of 0.5 in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.132 * [taylor]: Taking taylor expansion of z in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.132 * [taylor]: Taking taylor expansion of y in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.133 * [taylor]: Taking taylor expansion of x in y
0.133 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in x
0.133 * [taylor]: Taking taylor expansion of -4.0 in x
0.133 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in x
0.133 * [taylor]: Taking taylor expansion of z in x
0.133 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in x
0.133 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.133 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.133 * [taylor]: Taking taylor expansion of 0.5 in x
0.133 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.133 * [taylor]: Taking taylor expansion of z in x
0.133 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.133 * [taylor]: Taking taylor expansion of y in x
0.133 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.133 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in x
0.133 * [taylor]: Taking taylor expansion of -4.0 in x
0.133 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in x
0.133 * [taylor]: Taking taylor expansion of z in x
0.133 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in x
0.133 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.133 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.133 * [taylor]: Taking taylor expansion of 0.5 in x
0.133 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.133 * [taylor]: Taking taylor expansion of z in x
0.133 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.133 * [taylor]: Taking taylor expansion of y in x
0.133 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.134 * [taylor]: Taking taylor expansion of 4.0 in y
0.134 * [taylor]: Taking taylor expansion of z in y
0.136 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ z y)) 2.0)) in y
0.136 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.136 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.136 * [taylor]: Taking taylor expansion of 4.0 in y
0.136 * [taylor]: Taking taylor expansion of (/ z y) in y
0.136 * [taylor]: Taking taylor expansion of z in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.136 * [taylor]: Taking taylor expansion of 2.0 in y
0.136 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.136 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.136 * [taylor]: Taking taylor expansion of 4.0 in z
0.136 * [taylor]: Taking taylor expansion of z in z
0.136 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.136 * [taylor]: Taking taylor expansion of 4.0 in z
0.136 * [taylor]: Taking taylor expansion of z in z
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [taylor]: Taking taylor expansion of (- 2.0) in z
0.140 * [taylor]: Taking taylor expansion of 2.0 in z
0.140 * [taylor]: Taking taylor expansion of 0 in z
0.144 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [taylor]: Taking taylor expansion of 0 in z
0.146 * [taylor]: Taking taylor expansion of 0 in z
0.146 * [taylor]: Taking taylor expansion of 0 in z
0.150 * * * [progress]: simplifying candidates
0.150 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ (log 4.0) (log (- (- x y) (* z 0.5)))) (log z))
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (log (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (exp (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (/ (* (* (* 4.0 4.0) 4.0) (* (* (- (- x y) (* z 0.5)) (- (- x y) (* z 0.5))) (- (- x y) (* z 0.5)))) (* (* z z) z))
  (/ (* (* (* 4.0 (- (- x y) (* z 0.5))) (* 4.0 (- (- x y) (* z 0.5)))) (* 4.0 (- (- x y) (* z 0.5)))) (* (* z z) z))
  (* (cbrt (/ (* 4.0 (- (- x y) (* z 0.5))) z)) (cbrt (/ (* 4.0 (- (- x y) (* z 0.5))) z)))
  (cbrt (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (* (* (/ (* 4.0 (- (- x y) (* z 0.5))) z) (/ (* 4.0 (- (- x y) (* z 0.5))) z)) (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (sqrt (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (sqrt (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (- (* 4.0 (- (- x y) (* z 0.5))))
  (- z)
  (/ 4.0 (* (cbrt z) (cbrt z)))
  (/ (- (- x y) (* z 0.5)) (cbrt z))
  (/ 4.0 (sqrt z))
  (/ (- (- x y) (* z 0.5)) (sqrt z))
  (/ 4.0 1)
  (/ (- (- x y) (* z 0.5)) z)
  (/ 1 z)
  (/ z (* 4.0 (- (- x y) (* z 0.5))))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (* (cbrt z) (cbrt z)))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (sqrt z))
  (/ (* 4.0 (- (- x y) (* z 0.5))) 1)
  (/ z (- (- x y) (* z 0.5)))
  (* z (+ (* (- x y) (- x y)) (+ (* (* z 0.5) (* z 0.5)) (* (- x y) (* z 0.5)))))
  (* z (+ (- x y) (* z 0.5)))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
0.155 * * [simplify]: iteration  0 :  187  enodes  (cost  192 )
0.159 * * [simplify]: iteration  1 :  790  enodes  (cost  156 )
0.176 * * [simplify]: iteration  2 :  4301  enodes  (cost  156 )
0.248 * * [simplify]: iteration  3 :  5001  enodes  (cost  156 )
0.250 * [simplify]: Simplified to:
   (log (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (log (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (log (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (exp (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (pow (/ (* 4.0 (- (- x y) (* z 0.5))) z) 3)
  (pow (/ (* 4.0 (- (- x y) (* z 0.5))) z) 3)
  (* (cbrt (/ (* 4.0 (- (- x y) (* z 0.5))) z)) (cbrt (/ (* 4.0 (- (- x y) (* z 0.5))) z)))
  (cbrt (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (pow (/ (* 4.0 (- (- x y) (* z 0.5))) z) 3)
  (sqrt (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (sqrt (/ (* 4.0 (- (- x y) (* z 0.5))) z))
  (- (* 4.0 (- (- x y) (* z 0.5))))
  (- z)
  (/ 4.0 (* (cbrt z) (cbrt z)))
  (/ (- (- x y) (* z 0.5)) (cbrt z))
  (/ 4.0 (sqrt z))
  (/ (- (- x y) (* z 0.5)) (sqrt z))
  4.0
  (/ (- (- x y) (* z 0.5)) z)
  (/ 1 z)
  (/ z (* 4.0 (- (- x y) (* z 0.5))))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (* (cbrt z) (cbrt z)))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (sqrt z))
  (* 4.0 (- (- x y) (* z 0.5)))
  (/ z (- (- x y) (* z 0.5)))
  (* (+ (* (* z 0.5) (+ (* z 0.5) (- x y))) (* (- x y) (- x y))) z)
  (* z (+ (- x y) (* z 0.5)))
  (+ (* 4.0 (/ (- x y) z)) (- 2.0))
  (+ (* 4.0 (/ (- x y) z)) (- 2.0))
  (+ (* 4.0 (/ (- x y) z)) (- 2.0))
0.250 * * * [progress]: adding candidates to table
0.299 * * [progress]: iteration 2 / 4
0.299 * * * [progress]: picking best candidate
0.302 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (- 2.0)))>
0.302 * * * [progress]: localizing error
0.310 * * * [progress]: generating rewritten candidates
0.310 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.319 * * * [progress]: generating series expansions
0.319 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.320 * [approximate]: Taking taylor expansion of (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0)) in (x y z) around 0
0.320 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0)) in z
0.320 * [taylor]: Taking taylor expansion of (* 4.0 (/ x z)) in z
0.320 * [taylor]: Taking taylor expansion of 4.0 in z
0.320 * [taylor]: Taking taylor expansion of (/ x z) in z
0.320 * [taylor]: Taking taylor expansion of x in z
0.320 * [taylor]: Taking taylor expansion of z in z
0.320 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ y z)) 2.0) in z
0.320 * [taylor]: Taking taylor expansion of (* 4.0 (/ y z)) in z
0.320 * [taylor]: Taking taylor expansion of 4.0 in z
0.320 * [taylor]: Taking taylor expansion of (/ y z) in z
0.320 * [taylor]: Taking taylor expansion of y in z
0.320 * [taylor]: Taking taylor expansion of z in z
0.320 * [taylor]: Taking taylor expansion of 2.0 in z
0.320 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0)) in y
0.320 * [taylor]: Taking taylor expansion of (* 4.0 (/ x z)) in y
0.320 * [taylor]: Taking taylor expansion of 4.0 in y
0.320 * [taylor]: Taking taylor expansion of (/ x z) in y
0.320 * [taylor]: Taking taylor expansion of x in y
0.320 * [taylor]: Taking taylor expansion of z in y
0.320 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ y z)) 2.0) in y
0.320 * [taylor]: Taking taylor expansion of (* 4.0 (/ y z)) in y
0.320 * [taylor]: Taking taylor expansion of 4.0 in y
0.320 * [taylor]: Taking taylor expansion of (/ y z) in y
0.320 * [taylor]: Taking taylor expansion of y in y
0.320 * [taylor]: Taking taylor expansion of z in y
0.320 * [taylor]: Taking taylor expansion of 2.0 in y
0.320 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0)) in x
0.320 * [taylor]: Taking taylor expansion of (* 4.0 (/ x z)) in x
0.320 * [taylor]: Taking taylor expansion of 4.0 in x
0.320 * [taylor]: Taking taylor expansion of (/ x z) in x
0.320 * [taylor]: Taking taylor expansion of x in x
0.320 * [taylor]: Taking taylor expansion of z in x
0.321 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ y z)) 2.0) in x
0.321 * [taylor]: Taking taylor expansion of (* 4.0 (/ y z)) in x
0.321 * [taylor]: Taking taylor expansion of 4.0 in x
0.321 * [taylor]: Taking taylor expansion of (/ y z) in x
0.321 * [taylor]: Taking taylor expansion of y in x
0.321 * [taylor]: Taking taylor expansion of z in x
0.321 * [taylor]: Taking taylor expansion of 2.0 in x
0.321 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0)) in x
0.321 * [taylor]: Taking taylor expansion of (* 4.0 (/ x z)) in x
0.321 * [taylor]: Taking taylor expansion of 4.0 in x
0.321 * [taylor]: Taking taylor expansion of (/ x z) in x
0.321 * [taylor]: Taking taylor expansion of x in x
0.321 * [taylor]: Taking taylor expansion of z in x
0.321 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ y z)) 2.0) in x
0.321 * [taylor]: Taking taylor expansion of (* 4.0 (/ y z)) in x
0.321 * [taylor]: Taking taylor expansion of 4.0 in x
0.321 * [taylor]: Taking taylor expansion of (/ y z) in x
0.321 * [taylor]: Taking taylor expansion of y in x
0.321 * [taylor]: Taking taylor expansion of z in x
0.321 * [taylor]: Taking taylor expansion of 2.0 in x
0.321 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ y z)) 2.0)) in y
0.321 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ y z)) 2.0) in y
0.321 * [taylor]: Taking taylor expansion of (* 4.0 (/ y z)) in y
0.321 * [taylor]: Taking taylor expansion of 4.0 in y
0.321 * [taylor]: Taking taylor expansion of (/ y z) in y
0.321 * [taylor]: Taking taylor expansion of y in y
0.321 * [taylor]: Taking taylor expansion of z in y
0.321 * [taylor]: Taking taylor expansion of 2.0 in y
0.322 * [taylor]: Taking taylor expansion of (- 2.0) in z
0.322 * [taylor]: Taking taylor expansion of 2.0 in z
0.323 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in y
0.323 * [taylor]: Taking taylor expansion of 4.0 in y
0.323 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.323 * [taylor]: Taking taylor expansion of z in y
0.323 * [taylor]: Taking taylor expansion of (/ 4.0 z) in z
0.323 * [taylor]: Taking taylor expansion of 4.0 in z
0.323 * [taylor]: Taking taylor expansion of z in z
0.324 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.324 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.324 * [taylor]: Taking taylor expansion of 4.0 in z
0.324 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.324 * [taylor]: Taking taylor expansion of z in z
0.326 * [approximate]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in (x y z) around 0
0.326 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in z
0.326 * [taylor]: Taking taylor expansion of (* 4.0 (/ z x)) in z
0.326 * [taylor]: Taking taylor expansion of 4.0 in z
0.326 * [taylor]: Taking taylor expansion of (/ z x) in z
0.326 * [taylor]: Taking taylor expansion of z in z
0.326 * [taylor]: Taking taylor expansion of x in z
0.326 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in z
0.326 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in z
0.326 * [taylor]: Taking taylor expansion of 4.0 in z
0.326 * [taylor]: Taking taylor expansion of (/ z y) in z
0.326 * [taylor]: Taking taylor expansion of z in z
0.326 * [taylor]: Taking taylor expansion of y in z
0.326 * [taylor]: Taking taylor expansion of 2.0 in z
0.326 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in y
0.326 * [taylor]: Taking taylor expansion of (* 4.0 (/ z x)) in y
0.326 * [taylor]: Taking taylor expansion of 4.0 in y
0.326 * [taylor]: Taking taylor expansion of (/ z x) in y
0.326 * [taylor]: Taking taylor expansion of z in y
0.326 * [taylor]: Taking taylor expansion of x in y
0.327 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.327 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.327 * [taylor]: Taking taylor expansion of 4.0 in y
0.327 * [taylor]: Taking taylor expansion of (/ z y) in y
0.327 * [taylor]: Taking taylor expansion of z in y
0.327 * [taylor]: Taking taylor expansion of y in y
0.327 * [taylor]: Taking taylor expansion of 2.0 in y
0.327 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in x
0.327 * [taylor]: Taking taylor expansion of (* 4.0 (/ z x)) in x
0.327 * [taylor]: Taking taylor expansion of 4.0 in x
0.327 * [taylor]: Taking taylor expansion of (/ z x) in x
0.327 * [taylor]: Taking taylor expansion of z in x
0.327 * [taylor]: Taking taylor expansion of x in x
0.327 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in x
0.327 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in x
0.327 * [taylor]: Taking taylor expansion of 4.0 in x
0.327 * [taylor]: Taking taylor expansion of (/ z y) in x
0.327 * [taylor]: Taking taylor expansion of z in x
0.327 * [taylor]: Taking taylor expansion of y in x
0.327 * [taylor]: Taking taylor expansion of 2.0 in x
0.327 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in x
0.327 * [taylor]: Taking taylor expansion of (* 4.0 (/ z x)) in x
0.327 * [taylor]: Taking taylor expansion of 4.0 in x
0.327 * [taylor]: Taking taylor expansion of (/ z x) in x
0.327 * [taylor]: Taking taylor expansion of z in x
0.327 * [taylor]: Taking taylor expansion of x in x
0.327 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in x
0.327 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in x
0.327 * [taylor]: Taking taylor expansion of 4.0 in x
0.327 * [taylor]: Taking taylor expansion of (/ z y) in x
0.327 * [taylor]: Taking taylor expansion of z in x
0.327 * [taylor]: Taking taylor expansion of y in x
0.327 * [taylor]: Taking taylor expansion of 2.0 in x
0.327 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.327 * [taylor]: Taking taylor expansion of 4.0 in y
0.327 * [taylor]: Taking taylor expansion of z in y
0.328 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ z y)) 2.0)) in y
0.328 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.328 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.328 * [taylor]: Taking taylor expansion of 4.0 in y
0.329 * [taylor]: Taking taylor expansion of (/ z y) in y
0.329 * [taylor]: Taking taylor expansion of z in y
0.329 * [taylor]: Taking taylor expansion of y in y
0.329 * [taylor]: Taking taylor expansion of 2.0 in y
0.329 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.329 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.329 * [taylor]: Taking taylor expansion of 4.0 in z
0.329 * [taylor]: Taking taylor expansion of z in z
0.329 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.329 * [taylor]: Taking taylor expansion of 4.0 in z
0.329 * [taylor]: Taking taylor expansion of z in z
0.332 * [taylor]: Taking taylor expansion of 0 in y
0.333 * [taylor]: Taking taylor expansion of (- 2.0) in z
0.333 * [taylor]: Taking taylor expansion of 2.0 in z
0.334 * [taylor]: Taking taylor expansion of 0 in z
0.337 * [approximate]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in (x y z) around 0
0.337 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in z
0.337 * [taylor]: Taking taylor expansion of (* 4.0 (/ z x)) in z
0.337 * [taylor]: Taking taylor expansion of 4.0 in z
0.337 * [taylor]: Taking taylor expansion of (/ z x) in z
0.337 * [taylor]: Taking taylor expansion of z in z
0.337 * [taylor]: Taking taylor expansion of x in z
0.337 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in z
0.337 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in z
0.338 * [taylor]: Taking taylor expansion of 4.0 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
0.338 * [taylor]: Taking taylor expansion of 2.0 in z
0.338 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in y
0.338 * [taylor]: Taking taylor expansion of (* 4.0 (/ z x)) in y
0.338 * [taylor]: Taking taylor expansion of 4.0 in y
0.338 * [taylor]: Taking taylor expansion of (/ z x) in y
0.338 * [taylor]: Taking taylor expansion of z in y
0.338 * [taylor]: Taking taylor expansion of x in y
0.338 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.338 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.338 * [taylor]: Taking taylor expansion of 4.0 in y
0.338 * [taylor]: Taking taylor expansion of (/ z y) in y
0.338 * [taylor]: Taking taylor expansion of z in y
0.338 * [taylor]: Taking taylor expansion of y in y
0.338 * [taylor]: Taking taylor expansion of 2.0 in y
0.338 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in x
0.338 * [taylor]: Taking taylor expansion of (* 4.0 (/ z x)) in x
0.338 * [taylor]: Taking taylor expansion of 4.0 in x
0.338 * [taylor]: Taking taylor expansion of (/ z x) in x
0.338 * [taylor]: Taking taylor expansion of z in x
0.338 * [taylor]: Taking taylor expansion of x in x
0.338 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in x
0.338 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in x
0.338 * [taylor]: Taking taylor expansion of 4.0 in x
0.338 * [taylor]: Taking taylor expansion of (/ z y) in x
0.338 * [taylor]: Taking taylor expansion of z in x
0.338 * [taylor]: Taking taylor expansion of y in x
0.338 * [taylor]: Taking taylor expansion of 2.0 in x
0.338 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ z x)) (+ (* 4.0 (/ z y)) 2.0)) in x
0.338 * [taylor]: Taking taylor expansion of (* 4.0 (/ z x)) in x
0.338 * [taylor]: Taking taylor expansion of 4.0 in x
0.338 * [taylor]: Taking taylor expansion of (/ z x) in x
0.338 * [taylor]: Taking taylor expansion of z in x
0.338 * [taylor]: Taking taylor expansion of x in x
0.338 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in x
0.338 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in x
0.338 * [taylor]: Taking taylor expansion of 4.0 in x
0.338 * [taylor]: Taking taylor expansion of (/ z y) in x
0.338 * [taylor]: Taking taylor expansion of z in x
0.338 * [taylor]: Taking taylor expansion of y in x
0.338 * [taylor]: Taking taylor expansion of 2.0 in x
0.339 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.339 * [taylor]: Taking taylor expansion of 4.0 in y
0.339 * [taylor]: Taking taylor expansion of z in y
0.340 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ z y)) 2.0)) in y
0.340 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.340 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.340 * [taylor]: Taking taylor expansion of 4.0 in y
0.340 * [taylor]: Taking taylor expansion of (/ z y) in y
0.340 * [taylor]: Taking taylor expansion of z in y
0.340 * [taylor]: Taking taylor expansion of y in y
0.340 * [taylor]: Taking taylor expansion of 2.0 in y
0.340 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.340 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.340 * [taylor]: Taking taylor expansion of 4.0 in z
0.340 * [taylor]: Taking taylor expansion of z in z
0.340 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.341 * [taylor]: Taking taylor expansion of 4.0 in z
0.341 * [taylor]: Taking taylor expansion of z in z
0.343 * [taylor]: Taking taylor expansion of 0 in y
0.344 * [taylor]: Taking taylor expansion of (- 2.0) in z
0.344 * [taylor]: Taking taylor expansion of 2.0 in z
0.345 * [taylor]: Taking taylor expansion of 0 in z
0.348 * * * [progress]: simplifying candidates
0.348 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* 4.0 (/ (- x y) z))) (/ 1 (exp 2.0)))
  (* (exp (* 4.0 (/ (- x y) z))) (exp (- 2.0)))
  (log (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (exp (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (* (cbrt (+ (* 4.0 (/ (- x y) z)) (- 2.0))) (cbrt (+ (* 4.0 (/ (- x y) z)) (- 2.0))))
  (cbrt (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (* (* (+ (* 4.0 (/ (- x y) z)) (- 2.0)) (+ (* 4.0 (/ (- x y) z)) (- 2.0))) (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (sqrt (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (sqrt (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (+ (pow (* 4.0 (/ (- x y) z)) 3) (pow (- 2.0) 3))
  (+ (* (* 4.0 (/ (- x y) z)) (* 4.0 (/ (- x y) z))) (- (* (- 2.0) (- 2.0)) (* (* 4.0 (/ (- x y) z)) (- 2.0))))
  (- (* (* 4.0 (/ (- x y) z)) (* 4.0 (/ (- x y) z))) (* (- 2.0) (- 2.0)))
  (- (* 4.0 (/ (- x y) z)) (- 2.0))
  (+ (* 4.0 (/ (- x y) z)) 0)
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
0.352 * * [simplify]: iteration  0 :  128  enodes  (cost  130 )
0.356 * * [simplify]: iteration  1 :  508  enodes  (cost  108 )
0.369 * * [simplify]: iteration  2 :  2731  enodes  (cost  101 )
0.429 * * [simplify]: iteration  3 :  5002  enodes  (cost  101 )
0.430 * [simplify]: Simplified to:
   (exp (- (* 4.0 (/ (- x y) z)) 2.0))
  (exp (- (* 4.0 (/ (- x y) z)) 2.0))
  (log (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (exp (- (* 4.0 (/ (- x y) z)) 2.0))
  (* (cbrt (+ (* 4.0 (/ (- x y) z)) (- 2.0))) (cbrt (+ (* 4.0 (/ (- x y) z)) (- 2.0))))
  (cbrt (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (pow (- (* 4.0 (/ (- x y) z)) 2.0) 3)
  (sqrt (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (sqrt (+ (* 4.0 (/ (- x y) z)) (- 2.0)))
  (- (pow (* 4.0 (/ (- x y) z)) 3) (pow 2.0 3))
  (+ (* (* 4.0 (/ (- x y) z)) (+ (* 4.0 (/ (- x y) z)) 2.0)) (* 2.0 2.0))
  (* (+ (* 4.0 (/ (- x y) z)) 2.0) (- (* 4.0 (/ (- x y) z)) 2.0))
  (+ (* 4.0 (/ (- x y) z)) 2.0)
  (* 4.0 (/ (- x y) z))
  (- (* 4.0 (/ (- x y) z)) 2.0)
  (- (* 4.0 (/ (- x y) z)) 2.0)
  (- (* 4.0 (/ (- x y) z)) 2.0)
0.430 * * * [progress]: adding candidates to table
0.457 * * [progress]: iteration 3 / 4
0.457 * * * [progress]: picking best candidate
0.459 * * * * [pick]: Picked  #<alt (λ (x y z) (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))>
0.459 * * * [progress]: localizing error
0.468 * * * [progress]: generating rewritten candidates
0.469 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.483 * * * [progress]: generating series expansions
0.483 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.484 * [approximate]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in (x y z) around 0
0.484 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in z
0.484 * [taylor]: Taking taylor expansion of 4.0 in z
0.484 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in z
0.484 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in z
0.484 * [taylor]: Taking taylor expansion of x in z
0.484 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in z
0.484 * [taylor]: Taking taylor expansion of (* 0.5 z) in z
0.484 * [taylor]: Taking taylor expansion of 0.5 in z
0.484 * [taylor]: Taking taylor expansion of z in z
0.484 * [taylor]: Taking taylor expansion of y in z
0.484 * [taylor]: Taking taylor expansion of z in z
0.485 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in y
0.485 * [taylor]: Taking taylor expansion of 4.0 in y
0.485 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in y
0.485 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in y
0.485 * [taylor]: Taking taylor expansion of x in y
0.485 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in y
0.485 * [taylor]: Taking taylor expansion of (* 0.5 z) in y
0.485 * [taylor]: Taking taylor expansion of 0.5 in y
0.485 * [taylor]: Taking taylor expansion of z in y
0.485 * [taylor]: Taking taylor expansion of y in y
0.485 * [taylor]: Taking taylor expansion of z in y
0.485 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in x
0.485 * [taylor]: Taking taylor expansion of 4.0 in x
0.485 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in x
0.485 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in x
0.485 * [taylor]: Taking taylor expansion of x in x
0.485 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in x
0.485 * [taylor]: Taking taylor expansion of (* 0.5 z) in x
0.485 * [taylor]: Taking taylor expansion of 0.5 in x
0.485 * [taylor]: Taking taylor expansion of z in x
0.485 * [taylor]: Taking taylor expansion of y in x
0.485 * [taylor]: Taking taylor expansion of z in x
0.485 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in x
0.485 * [taylor]: Taking taylor expansion of 4.0 in x
0.485 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in x
0.485 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in x
0.485 * [taylor]: Taking taylor expansion of x in x
0.485 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in x
0.486 * [taylor]: Taking taylor expansion of (* 0.5 z) in x
0.486 * [taylor]: Taking taylor expansion of 0.5 in x
0.486 * [taylor]: Taking taylor expansion of z in x
0.486 * [taylor]: Taking taylor expansion of y in x
0.486 * [taylor]: Taking taylor expansion of z in x
0.486 * [taylor]: Taking taylor expansion of (* -4.0 (/ (+ (* 0.5 z) y) z)) in y
0.486 * [taylor]: Taking taylor expansion of -4.0 in y
0.486 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 z) y) z) in y
0.486 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in y
0.486 * [taylor]: Taking taylor expansion of (* 0.5 z) in y
0.486 * [taylor]: Taking taylor expansion of 0.5 in y
0.486 * [taylor]: Taking taylor expansion of z in y
0.486 * [taylor]: Taking taylor expansion of y in y
0.486 * [taylor]: Taking taylor expansion of z in y
0.487 * [taylor]: Taking taylor expansion of -2.0 in z
0.488 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in y
0.488 * [taylor]: Taking taylor expansion of 4.0 in y
0.488 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.488 * [taylor]: Taking taylor expansion of z in y
0.488 * [taylor]: Taking taylor expansion of (/ 4.0 z) in z
0.488 * [taylor]: Taking taylor expansion of 4.0 in z
0.488 * [taylor]: Taking taylor expansion of z in z
0.490 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.490 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.490 * [taylor]: Taking taylor expansion of 4.0 in z
0.490 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.490 * [taylor]: Taking taylor expansion of z in z
0.492 * [approximate]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in (x y z) around 0
0.492 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in z
0.492 * [taylor]: Taking taylor expansion of 4.0 in z
0.492 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in z
0.492 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in z
0.492 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.492 * [taylor]: Taking taylor expansion of x in z
0.492 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in z
0.492 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z
0.492 * [taylor]: Taking taylor expansion of 0.5 in z
0.492 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.492 * [taylor]: Taking taylor expansion of z in z
0.492 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.492 * [taylor]: Taking taylor expansion of y in z
0.492 * [taylor]: Taking taylor expansion of z in z
0.492 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in y
0.492 * [taylor]: Taking taylor expansion of 4.0 in y
0.492 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in y
0.492 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in y
0.492 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.492 * [taylor]: Taking taylor expansion of x in y
0.492 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in y
0.492 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in y
0.492 * [taylor]: Taking taylor expansion of 0.5 in y
0.492 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.492 * [taylor]: Taking taylor expansion of z in y
0.492 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.492 * [taylor]: Taking taylor expansion of y in y
0.493 * [taylor]: Taking taylor expansion of z in y
0.493 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in x
0.493 * [taylor]: Taking taylor expansion of 4.0 in x
0.493 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in x
0.493 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in x
0.493 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.493 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.493 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.493 * [taylor]: Taking taylor expansion of 0.5 in x
0.493 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.493 * [taylor]: Taking taylor expansion of z in x
0.493 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.493 * [taylor]: Taking taylor expansion of y in x
0.493 * [taylor]: Taking taylor expansion of z in x
0.493 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in x
0.493 * [taylor]: Taking taylor expansion of 4.0 in x
0.493 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in x
0.493 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in x
0.493 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.494 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.494 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.494 * [taylor]: Taking taylor expansion of 0.5 in x
0.494 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.494 * [taylor]: Taking taylor expansion of z in x
0.494 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.494 * [taylor]: Taking taylor expansion of y in x
0.494 * [taylor]: Taking taylor expansion of z in x
0.494 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.494 * [taylor]: Taking taylor expansion of 4.0 in y
0.494 * [taylor]: Taking taylor expansion of z in y
0.495 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ z y)) 2.0)) in y
0.495 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.495 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.495 * [taylor]: Taking taylor expansion of 4.0 in y
0.496 * [taylor]: Taking taylor expansion of (/ z y) in y
0.496 * [taylor]: Taking taylor expansion of z in y
0.496 * [taylor]: Taking taylor expansion of y in y
0.496 * [taylor]: Taking taylor expansion of 2.0 in y
0.496 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.496 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.496 * [taylor]: Taking taylor expansion of 4.0 in z
0.496 * [taylor]: Taking taylor expansion of z in z
0.496 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.496 * [taylor]: Taking taylor expansion of 4.0 in z
0.496 * [taylor]: Taking taylor expansion of z in z
0.498 * [taylor]: Taking taylor expansion of 0 in y
0.499 * [taylor]: Taking taylor expansion of (- 2.0) in z
0.499 * [taylor]: Taking taylor expansion of 2.0 in z
0.500 * [taylor]: Taking taylor expansion of 0 in z
0.503 * [taylor]: Taking taylor expansion of 0 in y
0.504 * [taylor]: Taking taylor expansion of 0 in z
0.505 * [taylor]: Taking taylor expansion of 0 in z
0.506 * [taylor]: Taking taylor expansion of 0 in z
0.509 * [approximate]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in (x y z) around 0
0.509 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in z
0.509 * [taylor]: Taking taylor expansion of -4.0 in z
0.509 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in z
0.509 * [taylor]: Taking taylor expansion of z in z
0.509 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in z
0.509 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in z
0.510 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z
0.510 * [taylor]: Taking taylor expansion of 0.5 in z
0.510 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.510 * [taylor]: Taking taylor expansion of z in z
0.510 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.510 * [taylor]: Taking taylor expansion of y in z
0.510 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.510 * [taylor]: Taking taylor expansion of x in z
0.510 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in y
0.510 * [taylor]: Taking taylor expansion of -4.0 in y
0.510 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in y
0.510 * [taylor]: Taking taylor expansion of z in y
0.510 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in y
0.510 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in y
0.510 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in y
0.510 * [taylor]: Taking taylor expansion of 0.5 in y
0.510 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.510 * [taylor]: Taking taylor expansion of z in y
0.510 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.510 * [taylor]: Taking taylor expansion of y in y
0.510 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.510 * [taylor]: Taking taylor expansion of x in y
0.511 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in x
0.511 * [taylor]: Taking taylor expansion of -4.0 in x
0.511 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in x
0.511 * [taylor]: Taking taylor expansion of z in x
0.511 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in x
0.511 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.511 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.511 * [taylor]: Taking taylor expansion of 0.5 in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.511 * [taylor]: Taking taylor expansion of z in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.511 * [taylor]: Taking taylor expansion of y in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.511 * [taylor]: Taking taylor expansion of x in x
0.511 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in x
0.511 * [taylor]: Taking taylor expansion of -4.0 in x
0.511 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in x
0.511 * [taylor]: Taking taylor expansion of z in x
0.511 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in x
0.511 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.511 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.511 * [taylor]: Taking taylor expansion of 0.5 in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.511 * [taylor]: Taking taylor expansion of z in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.511 * [taylor]: Taking taylor expansion of y in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.511 * [taylor]: Taking taylor expansion of x in x
0.512 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.512 * [taylor]: Taking taylor expansion of 4.0 in y
0.512 * [taylor]: Taking taylor expansion of z in y
0.513 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ z y)) 2.0)) in y
0.514 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.514 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.514 * [taylor]: Taking taylor expansion of 4.0 in y
0.514 * [taylor]: Taking taylor expansion of (/ z y) in y
0.514 * [taylor]: Taking taylor expansion of z in y
0.514 * [taylor]: Taking taylor expansion of y in y
0.514 * [taylor]: Taking taylor expansion of 2.0 in y
0.514 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.514 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.514 * [taylor]: Taking taylor expansion of 4.0 in z
0.514 * [taylor]: Taking taylor expansion of z in z
0.514 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.514 * [taylor]: Taking taylor expansion of 4.0 in z
0.514 * [taylor]: Taking taylor expansion of z in z
0.516 * [taylor]: Taking taylor expansion of 0 in y
0.517 * [taylor]: Taking taylor expansion of (- 2.0) in z
0.517 * [taylor]: Taking taylor expansion of 2.0 in z
0.518 * [taylor]: Taking taylor expansion of 0 in z
0.521 * [taylor]: Taking taylor expansion of 0 in y
0.522 * [taylor]: Taking taylor expansion of 0 in z
0.526 * [taylor]: Taking taylor expansion of 0 in z
0.527 * [taylor]: Taking taylor expansion of 0 in z
0.530 * * * [progress]: simplifying candidates
0.531 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z))
  (+ (+ (log 4.0) (log (- (- x y) (* z 0.5)))) (- (log z)))
  (+ (+ (log 4.0) (log (- (- x y) (* z 0.5)))) (- 0 (log z)))
  (+ (+ (log 4.0) (log (- (- x y) (* z 0.5)))) (- (log 1) (log z)))
  (+ (+ (log 4.0) (log (- (- x y) (* z 0.5)))) (log (/ 1 z)))
  (+ (log (* 4.0 (- (- x y) (* z 0.5)))) (- (log z)))
  (+ (log (* 4.0 (- (- x y) (* z 0.5)))) (- 0 (log z)))
  (+ (log (* 4.0 (- (- x y) (* z 0.5)))) (- (log 1) (log z)))
  (+ (log (* 4.0 (- (- x y) (* z 0.5)))) (log (/ 1 z)))
  (log (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))
  (exp (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))
  (* (* (* (* 4.0 4.0) 4.0) (* (* (- (- x y) (* z 0.5)) (- (- x y) (* z 0.5))) (- (- x y) (* z 0.5)))) (/ (* (* 1 1) 1) (* (* z z) z)))
  (* (* (* (* 4.0 4.0) 4.0) (* (* (- (- x y) (* z 0.5)) (- (- x y) (* z 0.5))) (- (- x y) (* z 0.5)))) (* (* (/ 1 z) (/ 1 z)) (/ 1 z)))
  (* (* (* (* 4.0 (- (- x y) (* z 0.5))) (* 4.0 (- (- x y) (* z 0.5)))) (* 4.0 (- (- x y) (* z 0.5)))) (/ (* (* 1 1) 1) (* (* z z) z)))
  (* (* (* (* 4.0 (- (- x y) (* z 0.5))) (* 4.0 (- (- x y) (* z 0.5)))) (* 4.0 (- (- x y) (* z 0.5)))) (* (* (/ 1 z) (/ 1 z)) (/ 1 z)))
  (* (cbrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z))) (cbrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z))))
  (cbrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))
  (* (* (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)) (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z))) (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))
  (sqrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))
  (sqrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))
  (* (* 4.0 (- (pow (- x y) 3) (pow (* z 0.5) 3))) 1)
  (* (+ (* (- x y) (- x y)) (+ (* (* z 0.5) (* z 0.5)) (* (- x y) (* z 0.5)))) z)
  (* (* 4.0 (- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5)))) 1)
  (* (+ (- x y) (* z 0.5)) z)
  (* (* 4.0 (- (- x y) (* z 0.5))) (* (cbrt (/ 1 z)) (cbrt (/ 1 z))))
  (* (* 4.0 (- (- x y) (* z 0.5))) (sqrt (/ 1 z)))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt z) (cbrt z))))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ (* (cbrt 1) (cbrt 1)) (sqrt z)))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ (sqrt 1) (* (cbrt z) (cbrt z))))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ (sqrt 1) (sqrt z)))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ (sqrt 1) 1))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 (* (cbrt z) (cbrt z))))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 (sqrt z)))
  (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 1))
  (* (* 4.0 (- (- x y) (* z 0.5))) 1)
  (* (* 4.0 (- (- x y) (* z 0.5))) 1)
  (* (- (- x y) (* z 0.5)) (/ 1 z))
  (* (* 4.0 (- (- x y) (* z 0.5))) 1)
  (* (* 4.0 (- (pow (- x y) 3) (pow (* z 0.5) 3))) (/ 1 z))
  (* (* 4.0 (- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5)))) (/ 1 z))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
0.537 * * [simplify]: iteration  0 :  343  enodes  (cost  380 )
0.546 * * [simplify]: iteration  1 :  1659  enodes  (cost  307 )
0.575 * * [simplify]: iteration  2 :  5003  enodes  (cost  294 )
0.578 * [simplify]: Simplified to:
   (/ (* 4.0 (- (- x y) (* z 0.5))) z)
  (/ (* 4.0 (- (- x y) (* z 0.5))) z)
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (- (log (* 4.0 (- (- x y) (* z 0.5)))) (log z))
  (pow (exp (/ (- (- x y) (* z 0.5)) z)) 4.0)
  (pow (/ (* 4.0 (- (- x y) (* z 0.5))) z) 3)
  (pow (/ (* 4.0 (- (- x y) (* z 0.5))) z) 3)
  (pow (/ (* 4.0 (- (- x y) (* z 0.5))) z) 3)
  (pow (/ (* 4.0 (- (- x y) (* z 0.5))) z) 3)
  (* (cbrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z))) (cbrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z))))
  (cbrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))
  (pow (/ (* 4.0 (- (- x y) (* z 0.5))) z) 3)
  (sqrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))
  (sqrt (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))
  (* 4.0 (- (pow (- x y) 3) (pow (* z 0.5) 3)))
  (* z (+ (* (* z 0.5) (+ (* z 0.5) (- x y))) (* (- x y) (- x y))))
  (* 4.0 (- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5))))
  (* (+ (- x y) (* z 0.5)) z)
  (* (* 4.0 (- (- x y) (* z 0.5))) (* (cbrt (/ 1 z)) (cbrt (/ 1 z))))
  (* (* 4.0 (- (- x y) (* z 0.5))) (sqrt (/ 1 z)))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (* (cbrt z) (cbrt z)))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (sqrt z))
  (* 4.0 (- (- x y) (* z 0.5)))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (* (cbrt z) (cbrt z)))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (sqrt z))
  (* 4.0 (- (- x y) (* z 0.5)))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (* (cbrt z) (cbrt z)))
  (/ (* 4.0 (- (- x y) (* z 0.5))) (sqrt z))
  (* 4.0 (- (- x y) (* z 0.5)))
  (* 4.0 (- (- x y) (* z 0.5)))
  (* 4.0 (- (- x y) (* z 0.5)))
  (/ (- (- x y) (* z 0.5)) z)
  (* 4.0 (- (- x y) (* z 0.5)))
  (/ (* 4.0 (- (pow (- x y) 3) (pow (* z 0.5) 3))) z)
  (/ (* 4.0 (- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5)))) z)
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
  (- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))
0.578 * * * [progress]: adding candidates to table
0.639 * [progress]: [Phase 3 of 3] Extracting.
0.639 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (- 2.0)))> #<alt (λ (x y z) (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))>)
0.639 * * * [regime-changes]: Trying 4 branch expressions: ((- x y) z y x)
0.639 * * * * [regimes]: Trying to branch on (- x y) from (#<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (- 2.0)))> #<alt (λ (x y z) (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))>)
0.652 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (- 2.0)))> #<alt (λ (x y z) (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))>)
0.663 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (- 2.0)))> #<alt (λ (x y z) (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))>)
0.678 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (- 2.0)))> #<alt (λ (x y z) (* (* 4.0 (- (- x y) (* z 0.5))) (/ 1 z)))>)
0.690 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.690 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* 4.0 (/ (- x y) z)) (- 2.0))
0.691 * * [simplify]: iteration  0 :  12  enodes  (cost  5 )
0.691 * * [simplify]: iteration  1 :  12  enodes  (cost  5 )
0.692 * [simplify]: Simplified to:
   (+ (* 4.0 (/ (- x y) z)) (- 2.0))
1.255 * [regime-testing]: Baseline error score: 0.008558498764675246
1.255 * [regime-testing]: Oracle error score: 0.00450056257032129
1.256 * [regime-testing]: End program error score: 0.008558498764675246
1.278 * [regime-testing]: Target error score: 0.011683889438509476