37.468 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.026 * * * [progress]: [2/2] Setting up program.
0.030 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* 4.0 (- (- x y) (* z 0.5))) z)
0.032 * * [simplify]: iteration  0 :  20  enodes  (cost  5 )
0.034 * * [simplify]: iteration  1 :  47  enodes  (cost  5 )
0.036 * * [simplify]: iteration  2 :  138  enodes  (cost  5 )
0.038 * * [simplify]: iteration  3 :  317  enodes  (cost  5 )
0.043 * * [simplify]: iteration  4 :  611  enodes  (cost  5 )
0.050 * * [simplify]: iteration  5 :  1239  enodes  (cost  5 )
0.063 * * [simplify]: iteration  6 :  1919  enodes  (cost  5 )
0.086 * * [simplify]: iteration  7 :  5001  enodes  (cost  5 )
0.087 * [simplify]: Simplified to:
   (/ (* 4.0 (- (- x y) (* z 0.5))) z)
0.087 * * [progress]: iteration 1 / 4
0.087 * * * [progress]: picking best candidate
0.090 * * * * [pick]: Picked  #<alt (λ (x y z) (/ (* 4.0 (- (- x y) (* z 0.5))) z))>
0.090 * * * [progress]: localizing error
0.097 * * * [progress]: generating rewritten candidates
0.097 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.107 * * * [progress]: generating series expansions
0.107 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.108 * [approximate]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in (x y z) around 0
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in z
0.108 * [taylor]: Taking taylor expansion of 4.0 in z
0.108 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in z
0.108 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in z
0.108 * [taylor]: Taking taylor expansion of x in z
0.108 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in z
0.108 * [taylor]: Taking taylor expansion of (* 0.5 z) in z
0.108 * [taylor]: Taking taylor expansion of 0.5 in z
0.108 * [taylor]: Taking taylor expansion of z in z
0.108 * [taylor]: Taking taylor expansion of y in z
0.108 * [taylor]: Taking taylor expansion of z in z
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in y
0.108 * [taylor]: Taking taylor expansion of 4.0 in y
0.108 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in y
0.108 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in y
0.108 * [taylor]: Taking taylor expansion of x in y
0.108 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in y
0.108 * [taylor]: Taking taylor expansion of (* 0.5 z) in y
0.108 * [taylor]: Taking taylor expansion of 0.5 in y
0.108 * [taylor]: Taking taylor expansion of z in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.108 * [taylor]: Taking taylor expansion of z in y
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in x
0.108 * [taylor]: Taking taylor expansion of 4.0 in x
0.108 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in x
0.108 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in x
0.108 * [taylor]: Taking taylor expansion of (* 0.5 z) in x
0.108 * [taylor]: Taking taylor expansion of 0.5 in x
0.108 * [taylor]: Taking taylor expansion of z in x
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of z in x
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ (- x (+ (* 0.5 z) y)) z)) in x
0.108 * [taylor]: Taking taylor expansion of 4.0 in x
0.108 * [taylor]: Taking taylor expansion of (/ (- x (+ (* 0.5 z) y)) z) in x
0.109 * [taylor]: Taking taylor expansion of (- x (+ (* 0.5 z) y)) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.109 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in x
0.109 * [taylor]: Taking taylor expansion of (* 0.5 z) in x
0.109 * [taylor]: Taking taylor expansion of 0.5 in x
0.109 * [taylor]: Taking taylor expansion of z in x
0.109 * [taylor]: Taking taylor expansion of y in x
0.109 * [taylor]: Taking taylor expansion of z in x
0.109 * [taylor]: Taking taylor expansion of (* -4.0 (/ (+ (* 0.5 z) y) z)) in y
0.109 * [taylor]: Taking taylor expansion of -4.0 in y
0.109 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 z) y) z) in y
0.109 * [taylor]: Taking taylor expansion of (+ (* 0.5 z) y) in y
0.109 * [taylor]: Taking taylor expansion of (* 0.5 z) in y
0.109 * [taylor]: Taking taylor expansion of 0.5 in y
0.109 * [taylor]: Taking taylor expansion of z 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 -2.0 in z
0.109 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in y
0.109 * [taylor]: Taking taylor expansion of 4.0 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 (/ 4.0 z) in z
0.109 * [taylor]: Taking taylor expansion of 4.0 in z
0.110 * [taylor]: Taking taylor expansion of z in z
0.110 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 z))) in z
0.110 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.110 * [taylor]: Taking taylor expansion of 4.0 in z
0.110 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.110 * [taylor]: Taking taylor expansion of z in z
0.110 * [approximate]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in (x y z) around 0
0.110 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in z
0.110 * [taylor]: Taking taylor expansion of 4.0 in z
0.110 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in z
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in z
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.110 * [taylor]: Taking taylor expansion of x in z
0.110 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in z
0.110 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z
0.110 * [taylor]: Taking taylor expansion of 0.5 in z
0.110 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.110 * [taylor]: Taking taylor expansion of z in z
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.110 * [taylor]: Taking taylor expansion of y in z
0.110 * [taylor]: Taking taylor expansion of z in z
0.110 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in y
0.110 * [taylor]: Taking taylor expansion of 4.0 in y
0.110 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in y
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in y
0.110 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in y
0.111 * [taylor]: Taking taylor expansion of 0.5 in y
0.111 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.111 * [taylor]: Taking taylor expansion of z in y
0.111 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.111 * [taylor]: Taking taylor expansion of y in y
0.111 * [taylor]: Taking taylor expansion of z in y
0.111 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in x
0.111 * [taylor]: Taking taylor expansion of 4.0 in x
0.111 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in x
0.111 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.111 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.111 * [taylor]: Taking taylor expansion of 0.5 in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.111 * [taylor]: Taking taylor expansion of z in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [taylor]: Taking taylor expansion of z in x
0.111 * [taylor]: Taking taylor expansion of (* 4.0 (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z)) in x
0.111 * [taylor]: Taking taylor expansion of 4.0 in x
0.111 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) z) in x
0.111 * [taylor]: Taking taylor expansion of (- (/ 1 x) (+ (* 0.5 (/ 1 z)) (/ 1 y))) in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.111 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.111 * [taylor]: Taking taylor expansion of 0.5 in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.111 * [taylor]: Taking taylor expansion of z in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [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 (neg (+ (* 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 (neg (* 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
0.112 * [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
0.112 * [taylor]: Taking taylor expansion of 0 in y
0.112 * [taylor]: Taking taylor expansion of (neg 2.0) in z
0.112 * [taylor]: Taking taylor expansion of 2.0 in z
0.113 * [taylor]: Taking taylor expansion of 0 in z
0.113 * [taylor]: Taking taylor expansion of 0 in y
0.113 * [taylor]: Taking taylor expansion of 0 in z
0.113 * [taylor]: Taking taylor expansion of 0 in z
0.113 * [taylor]: Taking taylor expansion of 0 in z
0.114 * [approximate]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in (x y z) around 0
0.114 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in z
0.114 * [taylor]: Taking taylor expansion of -4.0 in z
0.114 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in z
0.114 * [taylor]: Taking taylor expansion of z in z
0.114 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in z
0.114 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in z
0.114 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in z
0.114 * [taylor]: Taking taylor expansion of 0.5 in z
0.114 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.114 * [taylor]: Taking taylor expansion of z in z
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.114 * [taylor]: Taking taylor expansion of y in z
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.114 * [taylor]: Taking taylor expansion of x in z
0.114 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in y
0.114 * [taylor]: Taking taylor expansion of -4.0 in y
0.114 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in y
0.114 * [taylor]: Taking taylor expansion of z in y
0.114 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in y
0.114 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in y
0.114 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in y
0.114 * [taylor]: Taking taylor expansion of 0.5 in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.114 * [taylor]: Taking taylor expansion of z in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in x
0.114 * [taylor]: Taking taylor expansion of -4.0 in x
0.114 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in x
0.114 * [taylor]: Taking taylor expansion of z in x
0.114 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in x
0.114 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.114 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.114 * [taylor]: Taking taylor expansion of 0.5 in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.114 * [taylor]: Taking taylor expansion of z in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.114 * [taylor]: Taking taylor expansion of y in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [taylor]: Taking taylor expansion of (* -4.0 (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)))) in x
0.114 * [taylor]: Taking taylor expansion of -4.0 in x
0.114 * [taylor]: Taking taylor expansion of (* z (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x))) in x
0.115 * [taylor]: Taking taylor expansion of z in x
0.115 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 z)) (/ 1 y)) (/ 1 x)) in x
0.115 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 z)) (/ 1 y)) in x
0.115 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 z)) in x
0.115 * [taylor]: Taking taylor expansion of 0.5 in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.115 * [taylor]: Taking taylor expansion of z in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.115 * [taylor]: Taking taylor expansion of y in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (* 4.0 z) in y
0.115 * [taylor]: Taking taylor expansion of 4.0 in y
0.115 * [taylor]: Taking taylor expansion of z in y
0.115 * [taylor]: Taking taylor expansion of (neg (+ (* 4.0 (/ z y)) 2.0)) in y
0.115 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ z y)) 2.0) in y
0.115 * [taylor]: Taking taylor expansion of (* 4.0 (/ z y)) in y
0.115 * [taylor]: Taking taylor expansion of 4.0 in y
0.115 * [taylor]: Taking taylor expansion of (/ z y) in y
0.115 * [taylor]: Taking taylor expansion of z in y
0.115 * [taylor]: Taking taylor expansion of y in y
0.115 * [taylor]: Taking taylor expansion of 2.0 in y
0.115 * [taylor]: Taking taylor expansion of (neg (* 4.0 z)) in z
0.115 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.115 * [taylor]: Taking taylor expansion of 4.0 in z
0.115 * [taylor]: Taking taylor expansion of z in z
0.115 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.115 * [taylor]: Taking taylor expansion of 4.0 in z
0.116 * [taylor]: Taking taylor expansion of z in z
0.116 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [taylor]: Taking taylor expansion of (neg 2.0) in z
0.116 * [taylor]: Taking taylor expansion of 2.0 in z
0.116 * [taylor]: Taking taylor expansion of 0 in z
0.116 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [taylor]: Taking taylor expansion of 0 in z
0.117 * [taylor]: Taking taylor expansion of 0 in z
0.117 * [taylor]: Taking taylor expansion of 0 in z
0.117 * * * [progress]: simplifying candidates
0.118 * [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))
0.121 * * [simplify]: iteration  0 :  187  enodes  (cost  192 )
0.125 * * [simplify]: iteration  1 :  790  enodes  (cost  156 )
0.140 * * [simplify]: iteration  2 :  4301  enodes  (cost  156 )
0.207 * * [simplify]: iteration  3 :  5002  enodes  (cost  156 )
0.208 * [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))
0.208 * * * [progress]: adding candidates to table
0.240 * * [progress]: iteration 2 / 4
0.240 * * * [progress]: picking best candidate
0.245 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (neg 2.0)))>
0.245 * * * [progress]: localizing error
0.252 * * * [progress]: generating rewritten candidates
0.252 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 2)
0.259 * * * [progress]: generating series expansions
0.259 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 2)
0.259 * [approximate]: Taking taylor expansion of (/ (- x y) z) in (x y z) around 0
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 (/ (- 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 (/ (- 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 (/ (- 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
0.260 * [taylor]: Taking taylor expansion of (* -1 (/ y z)) in y
0.260 * [taylor]: Taking taylor expansion of -1 in y
0.260 * [taylor]: Taking taylor expansion of (/ y z) in y
0.260 * [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 (/ 1 z) in y
0.260 * [taylor]: Taking taylor expansion of z in y
0.260 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.260 * [taylor]: Taking taylor expansion of z in z
0.260 * [taylor]: Taking taylor expansion of (/ -1 z) in z
0.260 * [taylor]: Taking taylor expansion of -1 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
0.260 * [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
0.261 * [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 (* (- (/ 1 x) (/ 1 y)) z) in (x y z) around 0
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 (* (- (/ 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 (* (- (/ 1 x) (/ 1 y)) z) in x
0.261 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.261 * [taylor]: Taking taylor expansion of x in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.261 * [taylor]: Taking taylor expansion of y in x
0.261 * [taylor]: Taking taylor expansion of z in x
0.261 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
0.261 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.261 * [taylor]: Taking taylor expansion of x in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.261 * [taylor]: Taking taylor expansion of y in x
0.261 * [taylor]: Taking taylor expansion of z in x
0.262 * [taylor]: Taking taylor expansion of z in y
0.262 * [taylor]: Taking taylor expansion of (neg (/ z y)) 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 z) in z
0.262 * [taylor]: Taking taylor expansion of z in z
0.262 * [taylor]: Taking taylor expansion of z in z
0.262 * [taylor]: Taking taylor expansion of 0 in y
0.262 * [taylor]: Taking taylor expansion of 0 in z
0.262 * [taylor]: Taking taylor expansion of 0 in z
0.262 * [taylor]: Taking taylor expansion of 0 in y
0.262 * [taylor]: Taking taylor expansion of 0 in z
0.262 * [taylor]: Taking taylor expansion of 0 in z
0.262 * [taylor]: Taking taylor expansion of 0 in z
0.263 * [approximate]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in (x y z) around 0
0.263 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in z
0.263 * [taylor]: Taking taylor expansion of -1 in z
0.263 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in z
0.263 * [taylor]: Taking taylor expansion of z in z
0.263 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in z
0.263 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.263 * [taylor]: Taking taylor expansion of y in z
0.263 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.263 * [taylor]: Taking taylor expansion of x in z
0.263 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in y
0.263 * [taylor]: Taking taylor expansion of -1 in y
0.263 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in y
0.263 * [taylor]: Taking taylor expansion of z in y
0.263 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.263 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.263 * [taylor]: Taking taylor expansion of y in y
0.263 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.263 * [taylor]: Taking taylor expansion of x in y
0.263 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in x
0.263 * [taylor]: Taking taylor expansion of -1 in x
0.263 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
0.263 * [taylor]: Taking taylor expansion of z in x
0.263 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.263 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.263 * [taylor]: Taking taylor expansion of y in x
0.263 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.263 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in x
0.263 * [taylor]: Taking taylor expansion of -1 in x
0.263 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
0.263 * [taylor]: Taking taylor expansion of z in x
0.263 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.263 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.263 * [taylor]: Taking taylor expansion of y in x
0.263 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of z in y
0.264 * [taylor]: Taking taylor expansion of (neg (/ z y)) in y
0.264 * [taylor]: Taking taylor expansion of (/ z y) in y
0.264 * [taylor]: Taking taylor expansion of z in y
0.264 * [taylor]: Taking taylor expansion of y in y
0.264 * [taylor]: Taking taylor expansion of (neg z) in z
0.264 * [taylor]: Taking taylor expansion of z in z
0.264 * [taylor]: Taking taylor expansion of z in z
0.264 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [taylor]: Taking taylor expansion of 0 in z
0.264 * [taylor]: Taking taylor expansion of 0 in z
0.264 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [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 z
0.265 * * * [progress]: simplifying candidates
0.265 * [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))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
0.268 * * [simplify]: iteration  0 :  156  enodes  (cost  197 )
0.271 * * [simplify]: iteration  1 :  435  enodes  (cost  187 )
0.277 * * [simplify]: iteration  2 :  1447  enodes  (cost  187 )
0.299 * * [simplify]: iteration  3 :  4593  enodes  (cost  186 )
0.367 * * [simplify]: iteration  4 :  5001  enodes  (cost  186 )
0.369 * [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))
  (- y x)
  (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))
  (/ (- x y) z)
  (/ (- x y) z)
  (/ (- x y) z)
0.369 * * * [progress]: adding candidates to table
0.406 * * [progress]: iteration 3 / 4
0.406 * * * [progress]: picking best candidate
0.409 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0)))>
0.409 * * * [progress]: localizing error
0.417 * * * [progress]: generating rewritten candidates
0.417 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 2)
0.430 * * * [progress]: generating series expansions
0.430 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 2)
0.430 * [approximate]: Taking taylor expansion of (- (/ x z) (/ y z)) in (x z y) around 0
0.431 * [taylor]: Taking taylor expansion of (- (/ x z) (/ y z)) in y
0.431 * [taylor]: Taking taylor expansion of (/ x z) in y
0.431 * [taylor]: Taking taylor expansion of x in y
0.431 * [taylor]: Taking taylor expansion of z in y
0.431 * [taylor]: Taking taylor expansion of (/ y z) in y
0.431 * [taylor]: Taking taylor expansion of y in y
0.431 * [taylor]: Taking taylor expansion of z in y
0.431 * [taylor]: Taking taylor expansion of (- (/ x z) (/ y z)) in z
0.431 * [taylor]: Taking taylor expansion of (/ x z) in z
0.431 * [taylor]: Taking taylor expansion of x in z
0.431 * [taylor]: Taking taylor expansion of z in z
0.431 * [taylor]: Taking taylor expansion of (/ y z) in z
0.431 * [taylor]: Taking taylor expansion of y in z
0.431 * [taylor]: Taking taylor expansion of z in z
0.431 * [taylor]: Taking taylor expansion of (- (/ x z) (/ y z)) in x
0.431 * [taylor]: Taking taylor expansion of (/ x z) in x
0.431 * [taylor]: Taking taylor expansion of x in x
0.431 * [taylor]: Taking taylor expansion of z in x
0.431 * [taylor]: Taking taylor expansion of (/ y z) in x
0.431 * [taylor]: Taking taylor expansion of y in x
0.431 * [taylor]: Taking taylor expansion of z in x
0.431 * [taylor]: Taking taylor expansion of (- (/ x z) (/ y z)) in x
0.431 * [taylor]: Taking taylor expansion of (/ x z) in x
0.431 * [taylor]: Taking taylor expansion of x in x
0.431 * [taylor]: Taking taylor expansion of z in x
0.431 * [taylor]: Taking taylor expansion of (/ y z) in x
0.431 * [taylor]: Taking taylor expansion of y in x
0.431 * [taylor]: Taking taylor expansion of z in x
0.431 * [taylor]: Taking taylor expansion of (neg (/ y z)) in z
0.431 * [taylor]: Taking taylor expansion of (/ y z) in z
0.431 * [taylor]: Taking taylor expansion of y in z
0.431 * [taylor]: Taking taylor expansion of z in z
0.431 * [taylor]: Taking taylor expansion of (neg y) in y
0.431 * [taylor]: Taking taylor expansion of y in y
0.431 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.431 * [taylor]: Taking taylor expansion of z in z
0.431 * [taylor]: Taking taylor expansion of 1 in y
0.432 * [taylor]: Taking taylor expansion of 0 in y
0.432 * [taylor]: Taking taylor expansion of 0 in z
0.432 * [taylor]: Taking taylor expansion of 0 in y
0.432 * [taylor]: Taking taylor expansion of 0 in y
0.432 * [taylor]: Taking taylor expansion of 0 in z
0.432 * [taylor]: Taking taylor expansion of 0 in y
0.432 * [approximate]: Taking taylor expansion of (- (/ z x) (/ z y)) in (x z y) around 0
0.432 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in y
0.432 * [taylor]: Taking taylor expansion of (/ z x) in y
0.432 * [taylor]: Taking taylor expansion of z in y
0.432 * [taylor]: Taking taylor expansion of x in y
0.432 * [taylor]: Taking taylor expansion of (/ z y) in y
0.432 * [taylor]: Taking taylor expansion of z in y
0.432 * [taylor]: Taking taylor expansion of y in y
0.433 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in z
0.433 * [taylor]: Taking taylor expansion of (/ z x) in z
0.433 * [taylor]: Taking taylor expansion of z in z
0.433 * [taylor]: Taking taylor expansion of x in z
0.433 * [taylor]: Taking taylor expansion of (/ z y) in z
0.433 * [taylor]: Taking taylor expansion of z in z
0.433 * [taylor]: Taking taylor expansion of y in z
0.433 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in x
0.433 * [taylor]: Taking taylor expansion of (/ z x) in x
0.433 * [taylor]: Taking taylor expansion of z in x
0.433 * [taylor]: Taking taylor expansion of x in x
0.433 * [taylor]: Taking taylor expansion of (/ z y) in x
0.433 * [taylor]: Taking taylor expansion of z in x
0.433 * [taylor]: Taking taylor expansion of y in x
0.433 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in x
0.433 * [taylor]: Taking taylor expansion of (/ z x) in x
0.433 * [taylor]: Taking taylor expansion of z in x
0.433 * [taylor]: Taking taylor expansion of x in x
0.433 * [taylor]: Taking taylor expansion of (/ z y) in x
0.433 * [taylor]: Taking taylor expansion of z in x
0.433 * [taylor]: Taking taylor expansion of y in x
0.433 * [taylor]: Taking taylor expansion of z in z
0.433 * [taylor]: Taking taylor expansion of 1 in y
0.433 * [taylor]: Taking taylor expansion of (neg (/ z y)) in z
0.433 * [taylor]: Taking taylor expansion of (/ z y) in z
0.433 * [taylor]: Taking taylor expansion of z in z
0.433 * [taylor]: Taking taylor expansion of y in z
0.433 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.433 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.433 * [taylor]: Taking taylor expansion of y in y
0.433 * [taylor]: Taking taylor expansion of 0 in y
0.433 * [taylor]: Taking taylor expansion of 0 in z
0.433 * [taylor]: Taking taylor expansion of 0 in y
0.434 * [taylor]: Taking taylor expansion of 0 in y
0.434 * [taylor]: Taking taylor expansion of 0 in y
0.434 * [taylor]: Taking taylor expansion of 0 in z
0.434 * [taylor]: Taking taylor expansion of 0 in y
0.434 * [taylor]: Taking taylor expansion of 0 in y
0.434 * [taylor]: Taking taylor expansion of 0 in y
0.434 * [taylor]: Taking taylor expansion of 0 in y
0.434 * [approximate]: Taking taylor expansion of (- (/ z x) (/ z y)) in (x z y) around 0
0.434 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in y
0.434 * [taylor]: Taking taylor expansion of (/ z x) in y
0.434 * [taylor]: Taking taylor expansion of z in y
0.434 * [taylor]: Taking taylor expansion of x in y
0.434 * [taylor]: Taking taylor expansion of (/ z y) in y
0.434 * [taylor]: Taking taylor expansion of z in y
0.434 * [taylor]: Taking taylor expansion of y in y
0.434 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in z
0.434 * [taylor]: Taking taylor expansion of (/ z x) in z
0.434 * [taylor]: Taking taylor expansion of z in z
0.434 * [taylor]: Taking taylor expansion of x in z
0.434 * [taylor]: Taking taylor expansion of (/ z y) in z
0.434 * [taylor]: Taking taylor expansion of z in z
0.434 * [taylor]: Taking taylor expansion of y in z
0.435 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in x
0.435 * [taylor]: Taking taylor expansion of (/ z x) in x
0.435 * [taylor]: Taking taylor expansion of z in x
0.435 * [taylor]: Taking taylor expansion of x in x
0.435 * [taylor]: Taking taylor expansion of (/ z y) in x
0.435 * [taylor]: Taking taylor expansion of z in x
0.435 * [taylor]: Taking taylor expansion of y in x
0.435 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in x
0.435 * [taylor]: Taking taylor expansion of (/ z x) in x
0.435 * [taylor]: Taking taylor expansion of z in x
0.435 * [taylor]: Taking taylor expansion of x in x
0.435 * [taylor]: Taking taylor expansion of (/ z y) in x
0.435 * [taylor]: Taking taylor expansion of z in x
0.435 * [taylor]: Taking taylor expansion of y in x
0.435 * [taylor]: Taking taylor expansion of z in z
0.435 * [taylor]: Taking taylor expansion of 1 in y
0.435 * [taylor]: Taking taylor expansion of (neg (/ z y)) in z
0.435 * [taylor]: Taking taylor expansion of (/ z y) in z
0.435 * [taylor]: Taking taylor expansion of z in z
0.435 * [taylor]: Taking taylor expansion of y in z
0.435 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.435 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.435 * [taylor]: Taking taylor expansion of y in y
0.435 * [taylor]: Taking taylor expansion of 0 in y
0.435 * [taylor]: Taking taylor expansion of 0 in z
0.435 * [taylor]: Taking taylor expansion of 0 in y
0.435 * [taylor]: Taking taylor expansion of 0 in y
0.435 * [taylor]: Taking taylor expansion of 0 in y
0.436 * [taylor]: Taking taylor expansion of 0 in z
0.436 * [taylor]: Taking taylor expansion of 0 in y
0.436 * [taylor]: Taking taylor expansion of 0 in y
0.436 * [taylor]: Taking taylor expansion of 0 in y
0.436 * [taylor]: Taking taylor expansion of 0 in y
0.436 * * * [progress]: simplifying candidates
0.436 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (/ x z)) (exp (/ y z)))
  (log (- (/ x z) (/ y z)))
  (exp (- (/ x z) (/ y z)))
  (* (cbrt (- (/ x z) (/ y z))) (cbrt (- (/ x z) (/ y z))))
  (cbrt (- (/ x z) (/ y z)))
  (* (* (- (/ x z) (/ y z)) (- (/ x z) (/ y z))) (- (/ x z) (/ y z)))
  (sqrt (- (/ x z) (/ y z)))
  (sqrt (- (/ x z) (/ y z)))
  (- x y)
  (- (* x z) (* z y))
  (* z z)
  (- (pow (/ x z) 3) (pow (/ y z) 3))
  (+ (* (/ x z) (/ x z)) (+ (* (/ y z) (/ y z)) (* (/ x z) (/ y z))))
  (neg (/ y z))
  (- (* (/ x z) (/ x z)) (* (/ y z) (/ y z)))
  (+ (/ x z) (/ y z))
  (+ (sqrt (/ x z)) (sqrt (/ y z)))
  (- (sqrt (/ x z)) (sqrt (/ y z)))
  (+ (sqrt (/ x z)) (/ (sqrt y) (sqrt z)))
  (- (sqrt (/ x z)) (/ (sqrt y) (sqrt z)))
  (+ (/ (sqrt x) (sqrt z)) (sqrt (/ y z)))
  (- (/ (sqrt x) (sqrt z)) (sqrt (/ y z)))
  (+ (/ (sqrt x) (sqrt z)) (/ (sqrt y) (sqrt z)))
  (- (/ (sqrt x) (sqrt z)) (/ (sqrt y) (sqrt z)))
  (- (/ x (cbrt z)) (/ y (cbrt z)))
  (- (/ x (sqrt z)) (/ y (sqrt z)))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- x y)
  (neg (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
0.439 * * [simplify]: iteration  0 :  117  enodes  (cost  151 )
0.442 * * [simplify]: iteration  1 :  253  enodes  (cost  143 )
0.445 * * [simplify]: iteration  2 :  572  enodes  (cost  143 )
0.453 * * [simplify]: iteration  3 :  1563  enodes  (cost  143 )
0.479 * * [simplify]: iteration  4 :  5001  enodes  (cost  143 )
0.480 * [simplify]: Simplified to:
   (exp (- (/ x z) (/ y z)))
  (log (- (/ x z) (/ y z)))
  (exp (- (/ x z) (/ y z)))
  (* (cbrt (- (/ x z) (/ y z))) (cbrt (- (/ x z) (/ y z))))
  (cbrt (- (/ x z) (/ y z)))
  (pow (- (/ x z) (/ y z)) 3)
  (sqrt (- (/ x z) (/ y z)))
  (sqrt (- (/ x z) (/ y z)))
  (- x y)
  (* z (- x y))
  (* z z)
  (- (pow (/ x z) 3) (pow (/ y z) 3))
  (+ (* (/ y z) (+ (/ y z) (/ x z))) (* (/ x z) (/ x z)))
  (neg (/ y z))
  (- (* (/ x z) (/ x z)) (* (/ y z) (/ y z)))
  (+ (/ x z) (/ y z))
  (+ (sqrt (/ x z)) (sqrt (/ y z)))
  (- (sqrt (/ x z)) (sqrt (/ y z)))
  (+ (sqrt (/ x z)) (/ (sqrt y) (sqrt z)))
  (- (sqrt (/ x z)) (/ (sqrt y) (sqrt z)))
  (+ (/ (sqrt x) (sqrt z)) (sqrt (/ y z)))
  (- (/ (sqrt x) (sqrt z)) (sqrt (/ y z)))
  (+ (/ (sqrt x) (sqrt z)) (/ (sqrt y) (sqrt z)))
  (- (/ (sqrt x) (sqrt z)) (/ (sqrt y) (sqrt z)))
  (- (/ x (cbrt z)) (/ y (cbrt z)))
  (- (/ x (sqrt z)) (/ y (sqrt z)))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- x y)
  (neg (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
0.480 * * * [progress]: adding candidates to table
0.507 * [progress]: [Phase 3 of 3] Extracting.
0.507 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z) (+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0)))> #<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (neg 2.0)))>)
0.507 * * * [regime-changes]: Trying 4 branch expressions: ((- x y) z y x)
0.507 * * * * [regimes]: Trying to branch on (- x y) from (#<alt (λ (x y z) (+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0)))> #<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (neg 2.0)))>)
0.546 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z) (+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0)))> #<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (neg 2.0)))>)
0.585 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z) (+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0)))> #<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (neg 2.0)))>)
0.624 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z) (+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0)))> #<alt (λ (x y z) (+ (* 4.0 (/ (- x y) z)) (neg 2.0)))>)
0.662 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.662 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0))
0.663 * * [simplify]: iteration  0 :  13  enodes  (cost  6 )
0.663 * * [simplify]: iteration  1 :  13  enodes  (cost  6 )
0.663 * [simplify]: Simplified to:
   (+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0))
1.667 * [regime-testing]: End program error score: 0.007250906363295412
1.748 * [regime-testing]: Target error score: 0.007250906363295412