5.790 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ x (/ (- y x) z))
0.018 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.019 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.020 * * [simplify]: iteration  2 :  19  enodes  (cost  7 )
0.022 * * [simplify]: iteration  3 :  28  enodes  (cost  7 )
0.025 * * [simplify]: iteration  4 :  38  enodes  (cost  7 )
0.029 * * [simplify]: iteration  5 :  47  enodes  (cost  7 )
0.037 * * [simplify]: iteration  6 :  53  enodes  (cost  7 )
0.041 * * [simplify]: iteration  7 :  62  enodes  (cost  7 )
0.047 * * [simplify]: iteration  8 :  78  enodes  (cost  7 )
0.055 * * [simplify]: iteration  9 :  98  enodes  (cost  7 )
0.065 * * [simplify]: iteration  10 :  108  enodes  (cost  7 )
0.075 * * [simplify]: iteration  11 :  113  enodes  (cost  7 )
0.087 * * [simplify]: iteration  done :  113  enodes  (cost  7 )
0.087 * [simplify]: Simplified to:
   (+ x (/ (- y x) z))
0.087 * * [progress]: iteration 1 / 4
0.087 * * * [progress]: picking best candidate
0.088 * * * * [pick]: Picked  #<alt (λ (x y z) (+ x (/ (- y x) z)))>
0.088 * * * [progress]: localizing error
0.093 * * * [progress]: generating rewritten candidates
0.093 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.103 * * * [progress]: generating series expansions
0.103 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.103 * [approximate]: Taking taylor expansion of (/ (- y x) z) in (y x z) around 0
0.103 * [taylor]: Taking taylor expansion of (/ (- y x) z) in z
0.103 * [taylor]: Taking taylor expansion of (- y x) in z
0.103 * [taylor]: Taking taylor expansion of y in z
0.103 * [taylor]: Taking taylor expansion of x in z
0.103 * [taylor]: Taking taylor expansion of z in z
0.103 * [taylor]: Taking taylor expansion of (/ (- y x) z) in x
0.103 * [taylor]: Taking taylor expansion of (- y x) in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of z in x
0.104 * [taylor]: Taking taylor expansion of (/ (- y x) z) in y
0.104 * [taylor]: Taking taylor expansion of (- y x) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of x in y
0.104 * [taylor]: Taking taylor expansion of z in y
0.104 * [taylor]: Taking taylor expansion of (/ (- y x) z) in y
0.104 * [taylor]: Taking taylor expansion of (- y x) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of x in y
0.104 * [taylor]: Taking taylor expansion of z in y
0.104 * [taylor]: Taking taylor expansion of (* -1 (/ x z)) in x
0.104 * [taylor]: Taking taylor expansion of -1 in x
0.104 * [taylor]: Taking taylor expansion of (/ x z) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of z in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.105 * [taylor]: Taking taylor expansion of z in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.105 * [taylor]: Taking taylor expansion of z in z
0.105 * [taylor]: Taking taylor expansion of (/ -1 z) in z
0.105 * [taylor]: Taking taylor expansion of -1 in z
0.105 * [taylor]: Taking taylor expansion of z in z
0.106 * [taylor]: Taking taylor expansion of 0 in x
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.109 * [taylor]: Taking taylor expansion of 0 in x
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.110 * [approximate]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in (y x z) around 0
0.110 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in z
0.110 * [taylor]: Taking taylor expansion of z in z
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) 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 (/ 1 x) in z
0.110 * [taylor]: Taking taylor expansion of x in z
0.110 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) 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 (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in y
0.111 * [taylor]: Taking taylor expansion of z in y
0.111 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) 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 (/ 1 x) in y
0.111 * [taylor]: Taking taylor expansion of x in y
0.111 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in y
0.111 * [taylor]: Taking taylor expansion of z in y
0.111 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) 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 (/ 1 x) in y
0.111 * [taylor]: Taking taylor expansion of x in y
0.112 * [taylor]: Taking taylor expansion of z in x
0.113 * [taylor]: Taking taylor expansion of (- (/ z x)) in x
0.113 * [taylor]: Taking taylor expansion of (/ z x) in x
0.113 * [taylor]: Taking taylor expansion of z in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of (- z) in z
0.113 * [taylor]: Taking taylor expansion of z in z
0.113 * [taylor]: Taking taylor expansion of z in z
0.114 * [taylor]: Taking taylor expansion of 0 in x
0.115 * [taylor]: Taking taylor expansion of 0 in z
0.115 * [taylor]: Taking taylor expansion of 0 in z
0.117 * [taylor]: Taking taylor expansion of 0 in x
0.117 * [taylor]: Taking taylor expansion of 0 in z
0.118 * [taylor]: Taking taylor expansion of 0 in z
0.118 * [taylor]: Taking taylor expansion of 0 in z
0.119 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in (y x z) around 0
0.119 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in z
0.119 * [taylor]: Taking taylor expansion of -1 in z
0.119 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in z
0.119 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in z
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.119 * [taylor]: Taking taylor expansion of x in z
0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.119 * [taylor]: Taking taylor expansion of y in z
0.119 * [taylor]: Taking taylor expansion of z in z
0.119 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in x
0.119 * [taylor]: Taking taylor expansion of -1 in x
0.119 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
0.119 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.120 * [taylor]: Taking taylor expansion of y in x
0.120 * [taylor]: Taking taylor expansion of z in x
0.120 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in y
0.120 * [taylor]: Taking taylor expansion of -1 in y
0.120 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in y
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.120 * [taylor]: Taking taylor expansion of x in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.120 * [taylor]: Taking taylor expansion of y in y
0.120 * [taylor]: Taking taylor expansion of z in y
0.120 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in y
0.120 * [taylor]: Taking taylor expansion of -1 in y
0.120 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in y
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.120 * [taylor]: Taking taylor expansion of x in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.120 * [taylor]: Taking taylor expansion of y in y
0.120 * [taylor]: Taking taylor expansion of z in y
0.121 * [taylor]: Taking taylor expansion of z in x
0.122 * [taylor]: Taking taylor expansion of (- (/ z x)) in x
0.122 * [taylor]: Taking taylor expansion of (/ z x) in x
0.122 * [taylor]: Taking taylor expansion of z in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (- z) in z
0.122 * [taylor]: Taking taylor expansion of z in z
0.122 * [taylor]: Taking taylor expansion of z in z
0.124 * [taylor]: Taking taylor expansion of 0 in x
0.125 * [taylor]: Taking taylor expansion of 0 in z
0.125 * [taylor]: Taking taylor expansion of 0 in z
0.127 * [taylor]: Taking taylor expansion of 0 in x
0.127 * [taylor]: Taking taylor expansion of 0 in z
0.128 * [taylor]: Taking taylor expansion of 0 in z
0.129 * [taylor]: Taking taylor expansion of 0 in z
0.129 * * * [progress]: simplifying candidates
0.130 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- y x)) (log z))
  (log (/ (- y x) z))
  (exp (/ (- y x) z))
  (/ (* (* (- y x) (- y x)) (- y x)) (* (* z z) z))
  (* (cbrt (/ (- y x) z)) (cbrt (/ (- y x) z)))
  (cbrt (/ (- y x) z))
  (* (* (/ (- y x) z) (/ (- y x) z)) (/ (- y x) z))
  (sqrt (/ (- y x) z))
  (sqrt (/ (- y x) z))
  (- (- y x))
  (- z)
  (/ y z)
  (/ x z)
  (/ (* (cbrt (- y x)) (cbrt (- y x))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (- y x)) (cbrt z))
  (/ (* (cbrt (- y x)) (cbrt (- y x))) (sqrt z))
  (/ (cbrt (- y x)) (sqrt z))
  (/ (* (cbrt (- y x)) (cbrt (- y x))) 1)
  (/ (cbrt (- y x)) z)
  (/ (sqrt (- y x)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- y x)) (cbrt z))
  (/ (sqrt (- y x)) (sqrt z))
  (/ (sqrt (- y x)) (sqrt z))
  (/ (sqrt (- y x)) 1)
  (/ (sqrt (- y x)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- y x) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- y x) (sqrt z))
  (/ 1 1)
  (/ (- y x) z)
  (/ (+ (sqrt y) (sqrt x)) (* (cbrt z) (cbrt z)))
  (/ (- (sqrt y) (sqrt x)) (cbrt z))
  (/ (+ (sqrt y) (sqrt x)) (sqrt z))
  (/ (- (sqrt y) (sqrt x)) (sqrt z))
  (/ (+ (sqrt y) (sqrt x)) 1)
  (/ (- (sqrt y) (sqrt x)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- y x) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- y x) (sqrt z))
  (/ 1 1)
  (/ (- y x) z)
  (/ 1 z)
  (/ z (- y x))
  (/ (- y x) (* (cbrt z) (cbrt z)))
  (/ (- y x) (sqrt z))
  (/ (- y x) 1)
  (/ z (cbrt (- y x)))
  (/ z (sqrt (- y x)))
  (/ z (- y x))
  (/ z (- (sqrt y) (sqrt x)))
  (/ z (- y x))
  (* z (+ (* y y) (+ (* x x) (* y x))))
  (* z (+ y x))
  (- (/ y z) (/ x z))
  (- (/ y z) (/ x z))
  (- (/ y z) (/ x z))
0.132 * * [simplify]: iteration  0 :  73  enodes  (cost  404 )
0.142 * * [simplify]: iteration  1 :  156  enodes  (cost  383 )
0.171 * * [simplify]: iteration  2 :  361  enodes  (cost  363 )
0.265 * * [simplify]: iteration  3 :  1049  enodes  (cost  363 )
0.748 * * [simplify]: iteration  4 :  2855  enodes  (cost  362 )
1.709 * * [simplify]: iteration  done :  5001  enodes  (cost  362 )
1.710 * [simplify]: Simplified to:
   (log (/ (- y x) z))
  (log (/ (- y x) z))
  (exp (/ (- y x) z))
  (pow (/ (- y x) z) 3)
  (* (cbrt (/ (- y x) z)) (cbrt (/ (- y x) z)))
  (cbrt (/ (- y x) z))
  (pow (/ (- y x) z) 3)
  (sqrt (/ (- y x) z))
  (sqrt (/ (- y x) z))
  (- x y)
  (- z)
  (/ y z)
  (/ x z)
  (/ (* (cbrt (- y x)) (cbrt (- y x))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (- y x)) (cbrt z))
  (/ (* (cbrt (- y x)) (cbrt (- y x))) (sqrt z))
  (/ (cbrt (- y x)) (sqrt z))
  (* (cbrt (- y x)) (cbrt (- y x)))
  (/ (cbrt (- y x)) z)
  (/ (sqrt (- y x)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- y x)) (cbrt z))
  (/ (sqrt (- y x)) (sqrt z))
  (/ (sqrt (- y x)) (sqrt z))
  (sqrt (- y x))
  (/ (sqrt (- y x)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- y x) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- y x) (sqrt z))
  1
  (/ (- y x) z)
  (/ (+ (sqrt y) (sqrt x)) (* (cbrt z) (cbrt z)))
  (/ (- (sqrt y) (sqrt x)) (cbrt z))
  (/ (+ (sqrt y) (sqrt x)) (sqrt z))
  (/ (- (sqrt y) (sqrt x)) (sqrt z))
  (+ (sqrt y) (sqrt x))
  (/ (- (sqrt y) (sqrt x)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- y x) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- y x) (sqrt z))
  1
  (/ (- y x) z)
  (/ 1 z)
  (/ z (- y x))
  (/ (- y x) (* (cbrt z) (cbrt z)))
  (/ (- y x) (sqrt z))
  (- y x)
  (/ z (cbrt (- y x)))
  (/ z (sqrt (- y x)))
  (/ z (- y x))
  (/ z (- (sqrt y) (sqrt x)))
  (/ z (- y x))
  (* (+ (* x (+ y x)) (* y y)) z)
  (* (+ y x) z)
  (/ (- y x) z)
  (/ (- y x) z)
  (/ (- y x) z)
1.710 * * * [progress]: adding candidates to table
1.782 * [progress]: [Phase 3 of 3] Extracting.
1.783 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ x (/ (- y x) z))
1.784 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.784 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
1.784 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
1.784 * [simplify]: Simplified to:
   (+ x (/ (- y x) z))
2.250 * [regime-testing]: End program error score: 0.014751843980497562