39.191 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* 4.0 (- (- x y) (* z 0.5))) z)
0.027 * * [simplify]: iteration  0 :  20  enodes  (cost  5 )
0.028 * * [simplify]: iteration  1 :  47  enodes  (cost  5 )
0.030 * * [simplify]: iteration  2 :  138  enodes  (cost  5 )
0.032 * * [simplify]: iteration  3 :  317  enodes  (cost  5 )
0.036 * * [simplify]: iteration  4 :  611  enodes  (cost  5 )
0.043 * * [simplify]: iteration  5 :  1239  enodes  (cost  5 )
0.054 * * [simplify]: iteration  6 :  1919  enodes  (cost  5 )
0.076 * * [simplify]: iteration  7 :  5001  enodes  (cost  5 )
0.077 * [simplify]: Simplified to:
   (/ (* 4.0 (- (- x y) (* z 0.5))) z)
0.077 * * [progress]: iteration 1 / 4
0.077 * * * [progress]: picking best candidate
0.080 * * * * [pick]: Picked  #<alt (λ (x y z) (/ (* 4.0 (- (- x y) (* z 0.5))) z))>
0.080 * * * [progress]: localizing error
0.087 * * * [progress]: generating rewritten candidates
0.087 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.097 * * * [progress]: generating series expansions
0.097 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.097 * [approximate]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in (x y z) around 0
0.097 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in z
0.097 * [taylor]: Taking taylor expansion of 4.0 in z
0.097 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in z
0.097 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in z
0.097 * [taylor]: Taking taylor expansion of x in z
0.097 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in z
0.097 * [taylor]: Taking taylor expansion of (* 0.5 z) in z
0.097 * [taylor]: Taking taylor expansion of 0.5 in z
0.097 * [taylor]: Taking taylor expansion of z in z
0.097 * [taylor]: Taking taylor expansion of y in z
0.097 * [taylor]: Taking taylor expansion of z in z
0.097 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in y
0.097 * [taylor]: Taking taylor expansion of 4.0 in y
0.097 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in y
0.097 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in y
0.097 * [taylor]: Taking taylor expansion of x in y
0.097 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in y
0.097 * [taylor]: Taking taylor expansion of (* 0.5 z) in y
0.097 * [taylor]: Taking taylor expansion of 0.5 in y
0.097 * [taylor]: Taking taylor expansion of z in y
0.097 * [taylor]: Taking taylor expansion of y in y
0.097 * [taylor]: Taking taylor expansion of z in y
0.097 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in x
0.097 * [taylor]: Taking taylor expansion of 4.0 in x
0.097 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in x
0.098 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in x
0.098 * [taylor]: Taking taylor expansion of (* 0.5 z) in x
0.098 * [taylor]: Taking taylor expansion of 0.5 in x
0.098 * [taylor]: Taking taylor expansion of z in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of z in x
0.098 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in x
0.098 * [taylor]: Taking taylor expansion of 4.0 in x
0.098 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in x
0.098 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in x
0.098 * [taylor]: Taking taylor expansion of (* 0.5 z) in x
0.098 * [taylor]: Taking taylor expansion of 0.5 in x
0.098 * [taylor]: Taking taylor expansion of z in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of z in x
0.098 * [taylor]: Taking taylor expansion of (* -4.0 (/ (+ (* 0.5 z) y) z)) in y
0.098 * [taylor]: Taking taylor expansion of -4.0 in y
0.098 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 z) y) z) in y
0.098 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in y
0.098 * [taylor]: Taking taylor expansion of (* 0.5 z) in y
0.098 * [taylor]: Taking taylor expansion of 0.5 in y
0.098 * [taylor]: Taking taylor expansion of z in y
0.098 * [taylor]: Taking taylor expansion of y in y
0.098 * [taylor]: Taking taylor expansion of z in y
0.098 * [taylor]: Taking taylor expansion of -2.0 in z
0.099 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in y
0.099 * [taylor]: Taking taylor expansion of 4.0 in y
0.099 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.099 * [taylor]: Taking taylor expansion of z in y
0.099 * [taylor]: Taking taylor expansion of (/ 4.0 z) in z
0.099 * [taylor]: Taking taylor expansion of 4.0 in z
0.099 * [taylor]: Taking taylor expansion of z in z
0.099 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 z))) in z
0.099 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.099 * [taylor]: Taking taylor expansion of 4.0 in z
0.099 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.099 * [taylor]: Taking taylor expansion of z in z
0.099 * [approximate]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in (x y z) around 0
0.099 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in z
0.099 * [taylor]: Taking taylor expansion of 4.0 in z
0.099 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in z
0.099 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in z
0.099 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.099 * [taylor]: Taking taylor expansion of x in z
0.099 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in z
0.100 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z
0.100 * [taylor]: Taking taylor expansion of 0.5 in z
0.100 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.100 * [taylor]: Taking taylor expansion of z in z
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.100 * [taylor]: Taking taylor expansion of y in z
0.100 * [taylor]: Taking taylor expansion of z in z
0.100 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in y
0.100 * [taylor]: Taking taylor expansion of 4.0 in y
0.100 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in y
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in y
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.100 * [taylor]: Taking taylor expansion of x in y
0.100 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in y
0.100 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in y
0.100 * [taylor]: Taking taylor expansion of 0.5 in y
0.100 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.100 * [taylor]: Taking taylor expansion of z in y
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [taylor]: Taking taylor expansion of z in y
0.100 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in x
0.100 * [taylor]: Taking taylor expansion of 4.0 in x
0.100 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in x
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.100 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.100 * [taylor]: Taking taylor expansion of 0.5 in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.100 * [taylor]: Taking taylor expansion of z in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of z in x
0.100 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in x
0.100 * [taylor]: Taking taylor expansion of 4.0 in x
0.100 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in x
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.100 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.100 * [taylor]: Taking taylor expansion of 0.5 in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.100 * [taylor]: Taking taylor expansion of z in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of z in x
0.101 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.101 * [taylor]: Taking taylor expansion of 4.0 in y
0.101 * [taylor]: Taking taylor expansion of z in y
0.101 * [taylor]: Taking taylor expansion of (neg (+ (* 4.0 (/ z y)) 2.0)) in y
0.101 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.101 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.101 * [taylor]: Taking taylor expansion of 4.0 in y
0.101 * [taylor]: Taking taylor expansion of (/ z y) in y
0.101 * [taylor]: Taking taylor expansion of z in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of 2.0 in y
0.101 * [taylor]: Taking taylor expansion of (neg (* 4.0 z)) in z
0.101 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.101 * [taylor]: Taking taylor expansion of 4.0 in z
0.101 * [taylor]: Taking taylor expansion of z in z
0.101 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.101 * [taylor]: Taking taylor expansion of 4.0 in z
0.101 * [taylor]: Taking taylor expansion of z in z
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [taylor]: Taking taylor expansion of (neg 2.0) in z
0.102 * [taylor]: Taking taylor expansion of 2.0 in z
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.103 * [approximate]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in (x y z) around 0
0.103 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in z
0.103 * [taylor]: Taking taylor expansion of -4.0 in z
0.103 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in z
0.103 * [taylor]: Taking taylor expansion of z in z
0.103 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in z
0.103 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in z
0.103 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z
0.103 * [taylor]: Taking taylor expansion of 0.5 in z
0.103 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.103 * [taylor]: Taking taylor expansion of z in z
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.103 * [taylor]: Taking taylor expansion of y in z
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.103 * [taylor]: Taking taylor expansion of x in z
0.103 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in y
0.103 * [taylor]: Taking taylor expansion of -4.0 in y
0.103 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in y
0.103 * [taylor]: Taking taylor expansion of z in y
0.103 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in y
0.103 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in y
0.103 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in y
0.103 * [taylor]: Taking taylor expansion of 0.5 in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.103 * [taylor]: Taking taylor expansion of z in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in x
0.103 * [taylor]: Taking taylor expansion of -4.0 in x
0.103 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in x
0.103 * [taylor]: Taking taylor expansion of z in x
0.103 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in x
0.103 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.104 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.104 * [taylor]: Taking taylor expansion of 0.5 in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.104 * [taylor]: Taking taylor expansion of z in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in x
0.104 * [taylor]: Taking taylor expansion of -4.0 in x
0.104 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in x
0.104 * [taylor]: Taking taylor expansion of z in x
0.104 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in x
0.104 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.104 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.104 * [taylor]: Taking taylor expansion of 0.5 in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.104 * [taylor]: Taking taylor expansion of z in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.104 * [taylor]: Taking taylor expansion of 4.0 in y
0.104 * [taylor]: Taking taylor expansion of z in y
0.104 * [taylor]: Taking taylor expansion of (neg (+ (* 4.0 (/ z y)) 2.0)) in y
0.104 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.104 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.104 * [taylor]: Taking taylor expansion of 4.0 in y
0.104 * [taylor]: Taking taylor expansion of (/ z y) in y
0.104 * [taylor]: Taking taylor expansion of z in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.105 * [taylor]: Taking taylor expansion of 2.0 in y
0.105 * [taylor]: Taking taylor expansion of (neg (* 4.0 z)) in z
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
0.105 * [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
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [taylor]: Taking taylor expansion of (neg 2.0) in z
0.105 * [taylor]: Taking taylor expansion of 2.0 in z
0.105 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.106 * * * [progress]: simplifying candidates
0.107 * [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))
  (neg (* 4.0 (- (- x y) (* z 0.5))))
  (neg 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))
0.110 * * [simplify]: iteration  0 :  187  enodes  (cost  192 )
0.113 * * [simplify]: iteration  1 :  790  enodes  (cost  156 )
0.128 * * [simplify]: iteration  2 :  4301  enodes  (cost  156 )
0.195 * * [simplify]: iteration  3 :  5002  enodes  (cost  156 )
0.196 * [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))
  (neg (* 4.0 (- (- x y) (* z 0.5))))
  (neg 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)) (neg 2.0))
  (+ (* 4.0 (/ (- x y) z)) (neg 2.0))
  (+ (* 4.0 (/ (- x y) z)) (neg 2.0))
0.196 * * * [progress]: adding candidates to table
0.226 * * [progress]: iteration 2 / 4
0.226 * * * [progress]: picking best candidate
0.229 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (neg 2.0)))>
0.229 * * * [progress]: localizing error
0.236 * * * [progress]: generating rewritten candidates
0.236 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 2)
0.241 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.253 * * * [progress]: generating series expansions
0.253 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 2)
0.253 * [approximate]: Taking taylor expansion of (/ (- x y) z) in (x y z) around 0
0.253 * [taylor]: Taking taylor expansion of (/ (- x y) z) in z
0.253 * [taylor]: Taking taylor expansion of (- x y) in z
0.253 * [taylor]: Taking taylor expansion of x in z
0.253 * [taylor]: Taking taylor expansion of y in z
0.253 * [taylor]: Taking taylor expansion of z in z
0.253 * [taylor]: Taking taylor expansion of (/ (- x y) z) in y
0.253 * [taylor]: Taking taylor expansion of (- x y) in y
0.253 * [taylor]: Taking taylor expansion of x in y
0.253 * [taylor]: Taking taylor expansion of y in y
0.253 * [taylor]: Taking taylor expansion of z in y
0.253 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
0.253 * [taylor]: Taking taylor expansion of (- x y) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of z in x
0.253 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
0.253 * [taylor]: Taking taylor expansion of (- x y) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of z in x
0.254 * [taylor]: Taking taylor expansion of (* -1 (/ y z)) in y
0.254 * [taylor]: Taking taylor expansion of -1 in y
0.254 * [taylor]: Taking taylor expansion of (/ y z) in y
0.254 * [taylor]: Taking taylor expansion of y in y
0.254 * [taylor]: Taking taylor expansion of z in y
0.254 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.254 * [taylor]: Taking taylor expansion of z in y
0.254 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.254 * [taylor]: Taking taylor expansion of z in z
0.254 * [taylor]: Taking taylor expansion of (/ -1 z) in z
0.254 * [taylor]: Taking taylor expansion of -1 in z
0.254 * [taylor]: Taking taylor expansion of z in z
0.254 * [taylor]: Taking taylor expansion of 0 in y
0.254 * [taylor]: Taking taylor expansion of 0 in z
0.254 * [taylor]: Taking taylor expansion of 0 in z
0.254 * [taylor]: Taking taylor expansion of 0 in z
0.254 * [taylor]: Taking taylor expansion of 0 in y
0.254 * [taylor]: Taking taylor expansion of 0 in z
0.254 * [taylor]: Taking taylor expansion of 0 in z
0.255 * [taylor]: Taking taylor expansion of 0 in z
0.255 * [taylor]: Taking taylor expansion of 0 in z
0.255 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in (x y z) around 0
0.255 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in z
0.255 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in z
0.255 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.255 * [taylor]: Taking taylor expansion of x in z
0.255 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.255 * [taylor]: Taking taylor expansion of y in z
0.255 * [taylor]: Taking taylor expansion of z in z
0.255 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in y
0.255 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.255 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.255 * [taylor]: Taking taylor expansion of x in y
0.255 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.255 * [taylor]: Taking taylor expansion of y in y
0.255 * [taylor]: Taking taylor expansion of z in y
0.255 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
0.255 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.255 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.255 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.255 * [taylor]: Taking taylor expansion of y in x
0.255 * [taylor]: Taking taylor expansion of z in x
0.255 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
0.255 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.255 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.255 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.255 * [taylor]: Taking taylor expansion of y in x
0.255 * [taylor]: Taking taylor expansion of z in x
0.256 * [taylor]: Taking taylor expansion of z in y
0.256 * [taylor]: Taking taylor expansion of (neg (/ z y)) in y
0.256 * [taylor]: Taking taylor expansion of (/ z y) in y
0.256 * [taylor]: Taking taylor expansion of z in y
0.256 * [taylor]: Taking taylor expansion of y in y
0.256 * [taylor]: Taking taylor expansion of (neg z) in z
0.256 * [taylor]: Taking taylor expansion of z in z
0.256 * [taylor]: Taking taylor expansion of z in z
0.256 * [taylor]: Taking taylor expansion of 0 in y
0.256 * [taylor]: Taking taylor expansion of 0 in z
0.256 * [taylor]: Taking taylor expansion of 0 in z
0.256 * [taylor]: Taking taylor expansion of 0 in y
0.256 * [taylor]: Taking taylor expansion of 0 in z
0.256 * [taylor]: Taking taylor expansion of 0 in z
0.256 * [taylor]: Taking taylor expansion of 0 in z
0.257 * [approximate]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in (x y z) around 0
0.257 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in z
0.257 * [taylor]: Taking taylor expansion of -1 in z
0.257 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in z
0.257 * [taylor]: Taking taylor expansion of z in z
0.257 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in z
0.257 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.257 * [taylor]: Taking taylor expansion of y in z
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.257 * [taylor]: Taking taylor expansion of x in z
0.257 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in y
0.257 * [taylor]: Taking taylor expansion of -1 in y
0.257 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in y
0.257 * [taylor]: Taking taylor expansion of z in y
0.257 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.257 * [taylor]: Taking taylor expansion of y in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.257 * [taylor]: Taking taylor expansion of x in y
0.257 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in x
0.257 * [taylor]: Taking taylor expansion of -1 in x
0.257 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
0.257 * [taylor]: Taking taylor expansion of z in x
0.257 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.257 * [taylor]: Taking taylor expansion of y in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in x
0.257 * [taylor]: Taking taylor expansion of -1 in x
0.257 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
0.257 * [taylor]: Taking taylor expansion of z in x
0.257 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.257 * [taylor]: Taking taylor expansion of y in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of z in y
0.258 * [taylor]: Taking taylor expansion of (neg (/ z y)) in y
0.258 * [taylor]: Taking taylor expansion of (/ z y) in y
0.258 * [taylor]: Taking taylor expansion of z in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.258 * [taylor]: Taking taylor expansion of (neg z) in z
0.258 * [taylor]: Taking taylor expansion of z in z
0.258 * [taylor]: Taking taylor expansion of z in z
0.258 * [taylor]: Taking taylor expansion of 0 in y
0.258 * [taylor]: Taking taylor expansion of 0 in z
0.258 * [taylor]: Taking taylor expansion of 0 in z
0.258 * [taylor]: Taking taylor expansion of 0 in y
0.258 * [taylor]: Taking taylor expansion of 0 in z
0.258 * [taylor]: Taking taylor expansion of 0 in z
0.258 * [taylor]: Taking taylor expansion of 0 in z
0.259 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.259 * [approximate]: Taking taylor expansion of (* 4.0 (/ (- x y) z)) in (x y z) around 0
0.259 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x y) z)) in z
0.259 * [taylor]: Taking taylor expansion of 4.0 in z
0.259 * [taylor]: Taking taylor expansion of (/ (- x y) z) in z
0.259 * [taylor]: Taking taylor expansion of (- x y) in z
0.259 * [taylor]: Taking taylor expansion of x in z
0.259 * [taylor]: Taking taylor expansion of y in z
0.259 * [taylor]: Taking taylor expansion of z in z
0.259 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x y) z)) in y
0.259 * [taylor]: Taking taylor expansion of 4.0 in y
0.259 * [taylor]: Taking taylor expansion of (/ (- x y) z) in y
0.259 * [taylor]: Taking taylor expansion of (- x y) in y
0.259 * [taylor]: Taking taylor expansion of x in y
0.259 * [taylor]: Taking taylor expansion of y in y
0.259 * [taylor]: Taking taylor expansion of z in y
0.259 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x y) z)) in x
0.259 * [taylor]: Taking taylor expansion of 4.0 in x
0.259 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
0.259 * [taylor]: Taking taylor expansion of (- x y) in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of y in x
0.259 * [taylor]: Taking taylor expansion of z in x
0.259 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x y) z)) in x
0.259 * [taylor]: Taking taylor expansion of 4.0 in x
0.259 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
0.259 * [taylor]: Taking taylor expansion of (- x y) in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of y in x
0.259 * [taylor]: Taking taylor expansion of z in x
0.259 * [taylor]: Taking taylor expansion of (* -4.0 (/ y z)) in y
0.259 * [taylor]: Taking taylor expansion of -4.0 in y
0.259 * [taylor]: Taking taylor expansion of (/ y z) in y
0.259 * [taylor]: Taking taylor expansion of y in y
0.260 * [taylor]: Taking taylor expansion of z in y
0.260 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in y
0.260 * [taylor]: Taking taylor expansion of 4.0 in y
0.260 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.260 * [taylor]: Taking taylor expansion of z in y
0.260 * [taylor]: Taking taylor expansion of (/ 4.0 z) in z
0.260 * [taylor]: Taking taylor expansion of 4.0 in z
0.260 * [taylor]: Taking taylor expansion of z in z
0.260 * [taylor]: Taking taylor expansion of (/ -4.0 z) in z
0.260 * [taylor]: Taking taylor expansion of -4.0 in z
0.260 * [taylor]: Taking taylor expansion of z in z
0.260 * [taylor]: Taking taylor expansion of 0 in y
0.260 * [taylor]: Taking taylor expansion of 0 in z
0.260 * [taylor]: Taking taylor expansion of 0 in z
0.260 * [taylor]: Taking taylor expansion of 0 in z
0.261 * [taylor]: Taking taylor expansion of 0 in y
0.261 * [taylor]: Taking taylor expansion of 0 in z
0.261 * [taylor]: Taking taylor expansion of 0 in z
0.261 * [taylor]: Taking taylor expansion of 0 in z
0.261 * [taylor]: Taking taylor expansion of 0 in z
0.261 * [approximate]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (/ 1 y)) z)) in (x y z) around 0
0.261 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (/ 1 y)) z)) in z
0.261 * [taylor]: Taking taylor expansion of 4.0 in z
0.261 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in z
0.261 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in z
0.261 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.261 * [taylor]: Taking taylor expansion of x in z
0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.261 * [taylor]: Taking taylor expansion of y in z
0.261 * [taylor]: Taking taylor expansion of z in z
0.261 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (/ 1 y)) z)) in y
0.261 * [taylor]: Taking taylor expansion of 4.0 in y
0.261 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in y
0.261 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.261 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.261 * [taylor]: Taking taylor expansion of x in y
0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.261 * [taylor]: Taking taylor expansion of y in y
0.261 * [taylor]: Taking taylor expansion of z in y
0.261 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (/ 1 y)) z)) in x
0.261 * [taylor]: Taking taylor expansion of 4.0 in x
0.262 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
0.262 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.262 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.262 * [taylor]: Taking taylor expansion of y in x
0.262 * [taylor]: Taking taylor expansion of z in x
0.262 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (/ 1 y)) z)) in x
0.262 * [taylor]: Taking taylor expansion of 4.0 in x
0.262 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
0.262 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.262 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.262 * [taylor]: Taking taylor expansion of y in x
0.262 * [taylor]: Taking taylor expansion of z in x
0.262 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.262 * [taylor]: Taking taylor expansion of 4.0 in y
0.262 * [taylor]: Taking taylor expansion of z in y
0.262 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ z y))) in y
0.262 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.262 * [taylor]: Taking taylor expansion of 4.0 in y
0.262 * [taylor]: Taking taylor expansion of (/ z y) in y
0.262 * [taylor]: Taking taylor expansion of z in y
0.262 * [taylor]: Taking taylor expansion of y in y
0.262 * [taylor]: Taking taylor expansion of (neg (* 4.0 z)) in z
0.262 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.262 * [taylor]: Taking taylor expansion of 4.0 in z
0.262 * [taylor]: Taking taylor expansion of z in z
0.262 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.262 * [taylor]: Taking taylor expansion of 4.0 in z
0.262 * [taylor]: Taking taylor expansion of z in z
0.263 * [taylor]: Taking taylor expansion of 0 in y
0.263 * [taylor]: Taking taylor expansion of 0 in z
0.263 * [taylor]: Taking taylor expansion of 0 in z
0.263 * [taylor]: Taking taylor expansion of 0 in y
0.263 * [taylor]: Taking taylor expansion of 0 in z
0.263 * [taylor]: Taking taylor expansion of 0 in z
0.263 * [taylor]: Taking taylor expansion of 0 in z
0.264 * [approximate]: Taking taylor expansion of (* -4.0 (* z (- (/ 1 y) (/ 1 x)))) in (x y z) around 0
0.264 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (/ 1 y) (/ 1 x)))) in z
0.264 * [taylor]: Taking taylor expansion of -4.0 in z
0.264 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in z
0.264 * [taylor]: Taking taylor expansion of z in z
0.264 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in z
0.264 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.264 * [taylor]: Taking taylor expansion of y in z
0.264 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.264 * [taylor]: Taking taylor expansion of x in z
0.264 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (/ 1 y) (/ 1 x)))) in y
0.264 * [taylor]: Taking taylor expansion of -4.0 in y
0.264 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in y
0.264 * [taylor]: Taking taylor expansion of z in y
0.264 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.264 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.264 * [taylor]: Taking taylor expansion of y in y
0.264 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.264 * [taylor]: Taking taylor expansion of x in y
0.264 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (/ 1 y) (/ 1 x)))) in x
0.264 * [taylor]: Taking taylor expansion of -4.0 in x
0.264 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
0.264 * [taylor]: Taking taylor expansion of z in x
0.264 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.264 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.264 * [taylor]: Taking taylor expansion of y in x
0.264 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (/ 1 y) (/ 1 x)))) in x
0.264 * [taylor]: Taking taylor expansion of -4.0 in x
0.264 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
0.264 * [taylor]: Taking taylor expansion of z in x
0.264 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.264 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.264 * [taylor]: Taking taylor expansion of y in x
0.264 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.264 * [taylor]: Taking taylor expansion of 4.0 in y
0.264 * [taylor]: Taking taylor expansion of z in y
0.265 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ z y))) in y
0.265 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.265 * [taylor]: Taking taylor expansion of 4.0 in y
0.265 * [taylor]: Taking taylor expansion of (/ z y) in y
0.265 * [taylor]: Taking taylor expansion of z in y
0.265 * [taylor]: Taking taylor expansion of y in y
0.265 * [taylor]: Taking taylor expansion of (neg (* 4.0 z)) in z
0.265 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.265 * [taylor]: Taking taylor expansion of 4.0 in z
0.265 * [taylor]: Taking taylor expansion of z in z
0.265 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.265 * [taylor]: Taking taylor expansion of 4.0 in z
0.265 * [taylor]: Taking taylor expansion of z in z
0.265 * [taylor]: Taking taylor expansion of 0 in y
0.265 * [taylor]: Taking taylor expansion of 0 in z
0.265 * [taylor]: Taking taylor expansion of 0 in z
0.265 * [taylor]: Taking taylor expansion of 0 in y
0.266 * [taylor]: Taking taylor expansion of 0 in z
0.266 * [taylor]: Taking taylor expansion of 0 in z
0.266 * [taylor]: Taking taylor expansion of 0 in z
0.266 * * * [progress]: simplifying candidates
0.267 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- x y)) (log z))
  (log (/ (- x y) z))
  (exp (/ (- x y) z))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* z z) z))
  (* (cbrt (/ (- x y) z)) (cbrt (/ (- x y) z)))
  (cbrt (/ (- x y) z))
  (* (* (/ (- x y) z) (/ (- x y) z)) (/ (- x y) z))
  (sqrt (/ (- x y) z))
  (sqrt (/ (- x y) z))
  (neg (- x y))
  (neg z)
  (/ x z)
  (/ y z)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (- x y)) (cbrt z))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt z))
  (/ (cbrt (- x y)) (sqrt z))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) z)
  (/ (sqrt (- x y)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- x y)) (cbrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  (/ 1 1)
  (/ (- x y) z)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt z) (cbrt z)))
  (/ (- (sqrt x) (sqrt y)) (cbrt z))
  (/ (+ (sqrt x) (sqrt y)) (sqrt z))
  (/ (- (sqrt x) (sqrt y)) (sqrt z))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  (/ 1 1)
  (/ (- x y) z)
  (/ 1 z)
  (/ z (- x y))
  (/ (- x y) (* (cbrt z) (cbrt z)))
  (/ (- x y) (sqrt z))
  (/ (- x y) 1)
  (/ z (cbrt (- x y)))
  (/ z (sqrt (- x y)))
  (/ z (- x y))
  (/ z (- (sqrt x) (sqrt y)))
  (/ z (- x y))
  (* z (+ (* x x) (+ (* y y) (* x y))))
  (* z (+ x y))
  (* 4.0 (/ (- x y) z))
  (+ (log 4.0) (- (log (- x y)) (log z)))
  (+ (log 4.0) (log (/ (- x y) z)))
  (log (* 4.0 (/ (- x y) z)))
  (exp (* 4.0 (/ (- x y) z)))
  (* (* (* 4.0 4.0) 4.0) (/ (* (* (- x y) (- x y)) (- x y)) (* (* z z) z)))
  (* (* (* 4.0 4.0) 4.0) (* (* (/ (- x y) z) (/ (- x y) z)) (/ (- x y) z)))
  (* (cbrt (* 4.0 (/ (- x y) z))) (cbrt (* 4.0 (/ (- x y) z))))
  (cbrt (* 4.0 (/ (- x y) z)))
  (* (* (* 4.0 (/ (- x y) z)) (* 4.0 (/ (- x y) z))) (* 4.0 (/ (- x y) z)))
  (sqrt (* 4.0 (/ (- x y) z)))
  (sqrt (* 4.0 (/ (- x y) z)))
  (* (sqrt 4.0) (sqrt (/ (- x y) z)))
  (* (sqrt 4.0) (sqrt (/ (- x y) z)))
  (* (sqrt 4.0) (/ (sqrt (- x y)) (sqrt z)))
  (* (sqrt 4.0) (/ (sqrt (- x y)) (sqrt z)))
  (* 4.0 (* (cbrt (/ (- x y) z)) (cbrt (/ (- x y) z))))
  (* 4.0 (sqrt (/ (- x y) z)))
  (* 4.0 (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt z) (cbrt z))))
  (* 4.0 (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt z)))
  (* 4.0 (/ (* (cbrt (- x y)) (cbrt (- x y))) 1))
  (* 4.0 (/ (sqrt (- x y)) (* (cbrt z) (cbrt z))))
  (* 4.0 (/ (sqrt (- x y)) (sqrt z)))
  (* 4.0 (/ (sqrt (- x y)) 1))
  (* 4.0 (/ 1 (* (cbrt z) (cbrt z))))
  (* 4.0 (/ 1 (sqrt z)))
  (* 4.0 (/ 1 1))
  (* 4.0 (/ (+ (sqrt x) (sqrt y)) (* (cbrt z) (cbrt z))))
  (* 4.0 (/ (+ (sqrt x) (sqrt y)) (sqrt z)))
  (* 4.0 (/ (+ (sqrt x) (sqrt y)) 1))
  (* 4.0 (/ 1 (* (cbrt z) (cbrt z))))
  (* 4.0 (/ 1 (sqrt z)))
  (* 4.0 (/ 1 1))
  (* 4.0 1)
  (* 4.0 (- x y))
  (* (cbrt 4.0) (/ (- x y) z))
  (* (sqrt 4.0) (/ (- x y) z))
  (* 4.0 (/ (- x y) z))
  (* 4.0 (- x y))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- (* 4.0 (/ x z)) (* 4.0 (/ y z)))
  (- (* 4.0 (/ x z)) (* 4.0 (/ y z)))
  (- (* 4.0 (/ x z)) (* 4.0 (/ y z)))
0.273 * * [simplify]: iteration  0 :  275  enodes  (cost  397 )
0.279 * * [simplify]: iteration  1 :  1205  enodes  (cost  366 )
0.302 * * [simplify]: iteration  2 :  5001  enodes  (cost  366 )
0.304 * [simplify]: Simplified to:
   (log (/ (- x y) z))
  (log (/ (- x y) z))
  (exp (/ (- x y) z))
  (pow (/ (- x y) z) 3)
  (* (cbrt (/ (- x y) z)) (cbrt (/ (- x y) z)))
  (cbrt (/ (- x y) z))
  (pow (/ (- x y) z) 3)
  (sqrt (/ (- x y) z))
  (sqrt (/ (- x y) z))
  (neg (- x y))
  (neg z)
  (/ x z)
  (/ y z)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (- x y)) (cbrt z))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt z))
  (/ (cbrt (- x y)) (sqrt z))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) z)
  (/ (sqrt (- x y)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- x y)) (cbrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (sqrt (- x y))
  (/ (sqrt (- x y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  1
  (/ (- x y) z)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt z) (cbrt z)))
  (/ (- (sqrt x) (sqrt y)) (cbrt z))
  (/ (+ (sqrt x) (sqrt y)) (sqrt z))
  (/ (- (sqrt x) (sqrt y)) (sqrt z))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  1
  (/ (- x y) z)
  (/ 1 z)
  (/ z (- x y))
  (/ (- x y) (* (cbrt z) (cbrt z)))
  (/ (- x y) (sqrt z))
  (- x y)
  (/ z (cbrt (- x y)))
  (/ z (sqrt (- x y)))
  (/ z (- x y))
  (/ z (- (sqrt x) (sqrt y)))
  (/ z (- x y))
  (* (+ (* y (+ y x)) (* x x)) z)
  (* z (+ x y))
  (* 4.0 (/ (- x y) z))
  (log (* 4.0 (/ (- x y) z)))
  (log (* 4.0 (/ (- x y) z)))
  (log (* 4.0 (/ (- x y) z)))
  (exp (* 4.0 (/ (- x y) z)))
  (pow (* 4.0 (/ (- x y) z)) 3)
  (pow (* 4.0 (/ (- x y) z)) 3)
  (* (cbrt (* 4.0 (/ (- x y) z))) (cbrt (* 4.0 (/ (- x y) z))))
  (cbrt (* 4.0 (/ (- x y) z)))
  (pow (* 4.0 (/ (- x y) z)) 3)
  (sqrt (* 4.0 (/ (- x y) z)))
  (sqrt (* 4.0 (/ (- x y) z)))
  (* (sqrt 4.0) (sqrt (/ (- x y) z)))
  (* (sqrt 4.0) (sqrt (/ (- x y) z)))
  (* (sqrt 4.0) (/ (sqrt (- x y)) (sqrt z)))
  (* (sqrt 4.0) (/ (sqrt (- x y)) (sqrt z)))
  (* 4.0 (* (cbrt (/ (- x y) z)) (cbrt (/ (- x y) z))))
  (* 4.0 (sqrt (/ (- x y) z)))
  (* 4.0 (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt z) (cbrt z))))
  (* 4.0 (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt z)))
  (* (* (cbrt (- x y)) (cbrt (- x y))) 4.0)
  (* 4.0 (/ (sqrt (- x y)) (* (cbrt z) (cbrt z))))
  (* 4.0 (/ (sqrt (- x y)) (sqrt z)))
  (* (sqrt (- x y)) 4.0)
  (/ 4.0 (* (cbrt z) (cbrt z)))
  (/ 4.0 (sqrt z))
  4.0
  (* 4.0 (/ (+ (sqrt x) (sqrt y)) (* (cbrt z) (cbrt z))))
  (* 4.0 (/ (+ (sqrt x) (sqrt y)) (sqrt z)))
  (* (+ (sqrt x) (sqrt y)) 4.0)
  (/ 4.0 (* (cbrt z) (cbrt z)))
  (/ 4.0 (sqrt z))
  4.0
  4.0
  (* 4.0 (- x y))
  (* (cbrt 4.0) (/ (- x y) z))
  (* (sqrt 4.0) (/ (- x y) z))
  (* 4.0 (/ (- x y) z))
  (* 4.0 (- x y))
  (/ (- x y) z)
  (/ (- x y) z)
  (/ (- x y) z)
  (* 4.0 (/ (- x y) z))
  (* 4.0 (/ (- x y) z))
  (* 4.0 (/ (- x y) z))
0.305 * * * [progress]: adding candidates to table
0.369 * [progress]: [Phase 3 of 3] Extracting.
0.372 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* 4.0 (/ (- x y) z)) (neg 2.0))
0.373 * * [simplify]: iteration  0 :  12  enodes  (cost  5 )
0.373 * * [simplify]: iteration  1 :  12  enodes  (cost  5 )
0.373 * [simplify]: Simplified to:
   (+ (* 4.0 (/ (- x y) z)) (neg 2.0))
1.257 * [regime-testing]: End program error score: 0.008126015751968996
1.340 * [regime-testing]: Target error score: 0.00857419208660097