1.203 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- x (/ y (+ 1.0 (/ (* x y) 2.0))))
0.016 * * [simplify]: iteration  0 :  9  enodes  (cost  11 )
0.017 * * [simplify]: iteration  1 :  15  enodes  (cost  11 )
0.019 * * [simplify]: iteration  2 :  22  enodes  (cost  11 )
0.021 * * [simplify]: iteration  3 :  25  enodes  (cost  11 )
0.026 * * [simplify]: iteration  4 :  26  enodes  (cost  11 )
0.029 * * [simplify]: iteration  done :  26  enodes  (cost  11 )
0.029 * [simplify]: Simplified to:
   (- x (/ y (+ 1.0 (/ (* x y) 2.0))))
0.030 * * [progress]: iteration 1 / 4
0.030 * * * [progress]: picking best candidate
0.031 * * * * [pick]: Picked  #<alt (λ (x y) (- x (/ y (+ 1.0 (/ (* x y) 2.0)))))>
0.031 * * * [progress]: localizing error
0.038 * * * [progress]: generating rewritten candidates
0.038 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.047 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.064 * * * [progress]: generating series expansions
0.064 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.064 * [approximate]: Taking taylor expansion of (/ y (+ (* 0.5 (* x y)) 1.0)) in (y x) around 0
0.064 * [taylor]: Taking taylor expansion of (/ y (+ (* 0.5 (* x y)) 1.0)) in x
0.064 * [taylor]: Taking taylor expansion of y in x
0.064 * [taylor]: Taking taylor expansion of (+ (* 0.5 (* x y)) 1.0) in x
0.064 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.064 * [taylor]: Taking taylor expansion of 0.5 in x
0.064 * [taylor]: Taking taylor expansion of (* x y) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of y in x
0.064 * [taylor]: Taking taylor expansion of 1.0 in x
0.065 * [taylor]: Taking taylor expansion of (/ y (+ (* 0.5 (* x y)) 1.0)) in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of (+ (* 0.5 (* x y)) 1.0) in y
0.065 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.065 * [taylor]: Taking taylor expansion of 0.5 in y
0.065 * [taylor]: Taking taylor expansion of (* x y) in y
0.065 * [taylor]: Taking taylor expansion of x in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of 1.0 in y
0.066 * [taylor]: Taking taylor expansion of (/ y (+ (* 0.5 (* x y)) 1.0)) in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of (+ (* 0.5 (* x y)) 1.0) in y
0.066 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.066 * [taylor]: Taking taylor expansion of 0.5 in y
0.066 * [taylor]: Taking taylor expansion of (* x y) in y
0.066 * [taylor]: Taking taylor expansion of x in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of 1.0 in y
0.067 * [taylor]: Taking taylor expansion of 1.0 in x
0.068 * [taylor]: Taking taylor expansion of (- (* 0.5 x)) in x
0.068 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.068 * [taylor]: Taking taylor expansion of 0.5 in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of (* 0.25 (pow x 2)) in x
0.071 * [taylor]: Taking taylor expansion of 0.25 in x
0.071 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of (- (* 0.125 (pow x 3))) in x
0.075 * [taylor]: Taking taylor expansion of (* 0.125 (pow x 3)) in x
0.075 * [taylor]: Taking taylor expansion of 0.125 in x
0.075 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of (* 0.0625 (pow x 4)) in x
0.079 * [taylor]: Taking taylor expansion of 0.0625 in x
0.079 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.080 * [approximate]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in (y x) around 0
0.080 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in x
0.080 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in x
0.080 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in x
0.080 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in x
0.080 * [taylor]: Taking taylor expansion of 0.5 in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.080 * [taylor]: Taking taylor expansion of (* x y) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of 1.0 in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in y
0.081 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in y
0.081 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in y
0.081 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in y
0.081 * [taylor]: Taking taylor expansion of 0.5 in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.081 * [taylor]: Taking taylor expansion of (* x y) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of 1.0 in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in y
0.083 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in y
0.083 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in y
0.083 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in y
0.083 * [taylor]: Taking taylor expansion of 0.5 in y
0.083 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.083 * [taylor]: Taking taylor expansion of (* x y) in y
0.083 * [taylor]: Taking taylor expansion of x in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.084 * [taylor]: Taking taylor expansion of 1.0 in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
0.085 * [taylor]: Taking taylor expansion of 2.0 in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of (- (* 4.0 (pow x 2))) in x
0.089 * [taylor]: Taking taylor expansion of (* 4.0 (pow x 2)) in x
0.089 * [taylor]: Taking taylor expansion of 4.0 in x
0.089 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (* 8.0 (pow x 3)) in x
0.092 * [taylor]: Taking taylor expansion of 8.0 in x
0.092 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.097 * [taylor]: Taking taylor expansion of (- (* 16.0 (pow x 4))) in x
0.097 * [taylor]: Taking taylor expansion of (* 16.0 (pow x 4)) in x
0.097 * [taylor]: Taking taylor expansion of 16.0 in x
0.097 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.105 * [taylor]: Taking taylor expansion of (* 32.0 (pow x 5)) in x
0.105 * [taylor]: Taking taylor expansion of 32.0 in x
0.105 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.107 * [approximate]: Taking taylor expansion of (/ -1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in (y x) around 0
0.107 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in x
0.107 * [taylor]: Taking taylor expansion of -1 in x
0.107 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in x
0.107 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in x
0.107 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in x
0.107 * [taylor]: Taking taylor expansion of 0.5 in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.107 * [taylor]: Taking taylor expansion of (* x y) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of y in x
0.107 * [taylor]: Taking taylor expansion of 1.0 in x
0.107 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in y
0.108 * [taylor]: Taking taylor expansion of -1 in y
0.108 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in y
0.108 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in y
0.108 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in y
0.108 * [taylor]: Taking taylor expansion of 0.5 in y
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.108 * [taylor]: Taking taylor expansion of (* x y) in y
0.108 * [taylor]: Taking taylor expansion of x in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.108 * [taylor]: Taking taylor expansion of 1.0 in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in y
0.110 * [taylor]: Taking taylor expansion of -1 in y
0.110 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in y
0.110 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in y
0.110 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in y
0.110 * [taylor]: Taking taylor expansion of 0.5 in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.110 * [taylor]: Taking taylor expansion of (* x y) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of 1.0 in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.112 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.112 * [taylor]: Taking taylor expansion of -2.0 in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of (* 4.0 (pow x 2)) in x
0.116 * [taylor]: Taking taylor expansion of 4.0 in x
0.116 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (- (* 8.0 (pow x 3))) in x
0.119 * [taylor]: Taking taylor expansion of (* 8.0 (pow x 3)) in x
0.119 * [taylor]: Taking taylor expansion of 8.0 in x
0.119 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of (* 16.0 (pow x 4)) in x
0.123 * [taylor]: Taking taylor expansion of 16.0 in x
0.123 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of (- (* 32.0 (pow x 5))) in x
0.128 * [taylor]: Taking taylor expansion of (* 32.0 (pow x 5)) in x
0.128 * [taylor]: Taking taylor expansion of 32.0 in x
0.128 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.131 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.131 * [approximate]: Taking taylor expansion of (- x (/ y (+ (* 0.5 (* x y)) 1.0))) in (x y) around 0
0.131 * [taylor]: Taking taylor expansion of (- x (/ y (+ (* 0.5 (* x y)) 1.0))) in y
0.131 * [taylor]: Taking taylor expansion of x in y
0.131 * [taylor]: Taking taylor expansion of (/ y (+ (* 0.5 (* x y)) 1.0)) in y
0.131 * [taylor]: Taking taylor expansion of y in y
0.131 * [taylor]: Taking taylor expansion of (+ (* 0.5 (* x y)) 1.0) in y
0.131 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.131 * [taylor]: Taking taylor expansion of 0.5 in y
0.131 * [taylor]: Taking taylor expansion of (* x y) in y
0.131 * [taylor]: Taking taylor expansion of x in y
0.131 * [taylor]: Taking taylor expansion of y in y
0.131 * [taylor]: Taking taylor expansion of 1.0 in y
0.132 * [taylor]: Taking taylor expansion of (- x (/ y (+ (* 0.5 (* x y)) 1.0))) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of (/ y (+ (* 0.5 (* x y)) 1.0)) in x
0.132 * [taylor]: Taking taylor expansion of y in x
0.132 * [taylor]: Taking taylor expansion of (+ (* 0.5 (* x y)) 1.0) in x
0.132 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.132 * [taylor]: Taking taylor expansion of 0.5 in x
0.132 * [taylor]: Taking taylor expansion of (* x y) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of y in x
0.132 * [taylor]: Taking taylor expansion of 1.0 in x
0.133 * [taylor]: Taking taylor expansion of (- x (/ y (+ (* 0.5 (* x y)) 1.0))) in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.133 * [taylor]: Taking taylor expansion of (/ y (+ (* 0.5 (* x y)) 1.0)) in x
0.133 * [taylor]: Taking taylor expansion of y in x
0.133 * [taylor]: Taking taylor expansion of (+ (* 0.5 (* x y)) 1.0) in x
0.133 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.133 * [taylor]: Taking taylor expansion of 0.5 in x
0.133 * [taylor]: Taking taylor expansion of (* x y) in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.133 * [taylor]: Taking taylor expansion of y in x
0.133 * [taylor]: Taking taylor expansion of 1.0 in x
0.134 * [taylor]: Taking taylor expansion of (- (* 1.0 y)) in y
0.134 * [taylor]: Taking taylor expansion of (* 1.0 y) in y
0.134 * [taylor]: Taking taylor expansion of 1.0 in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.135 * [taylor]: Taking taylor expansion of (+ (* 0.5 (pow y 2)) 1) in y
0.135 * [taylor]: Taking taylor expansion of (* 0.5 (pow y 2)) in y
0.135 * [taylor]: Taking taylor expansion of 0.5 in y
0.135 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.135 * [taylor]: Taking taylor expansion of y in y
0.135 * [taylor]: Taking taylor expansion of 1 in y
0.139 * [taylor]: Taking taylor expansion of (- (* 0.25 (pow y 3))) in y
0.139 * [taylor]: Taking taylor expansion of (* 0.25 (pow y 3)) in y
0.139 * [taylor]: Taking taylor expansion of 0.25 in y
0.139 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.139 * [taylor]: Taking taylor expansion of y in y
0.144 * [taylor]: Taking taylor expansion of (* 0.125 (pow y 4)) in y
0.144 * [taylor]: Taking taylor expansion of 0.125 in y
0.144 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.145 * [approximate]: Taking taylor expansion of (- (/ 1 x) (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y))) in (x y) around 0
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y))) in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.145 * [taylor]: Taking taylor expansion of x in y
0.146 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in y
0.146 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in y
0.146 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in y
0.146 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in y
0.146 * [taylor]: Taking taylor expansion of 0.5 in y
0.146 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.146 * [taylor]: Taking taylor expansion of (* x y) in y
0.146 * [taylor]: Taking taylor expansion of x in y
0.146 * [taylor]: Taking taylor expansion of y in y
0.146 * [taylor]: Taking taylor expansion of 1.0 in y
0.146 * [taylor]: Taking taylor expansion of y in y
0.148 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y))) in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in x
0.148 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in x
0.148 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in x
0.148 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in x
0.148 * [taylor]: Taking taylor expansion of 0.5 in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.148 * [taylor]: Taking taylor expansion of (* x y) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [taylor]: Taking taylor expansion of y in x
0.149 * [taylor]: Taking taylor expansion of 1.0 in x
0.149 * [taylor]: Taking taylor expansion of y in x
0.149 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y))) in x
0.149 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in x
0.149 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in x
0.149 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in x
0.149 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in x
0.149 * [taylor]: Taking taylor expansion of 0.5 in x
0.149 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.149 * [taylor]: Taking taylor expansion of (* x y) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of y in x
0.150 * [taylor]: Taking taylor expansion of 1.0 in x
0.150 * [taylor]: Taking taylor expansion of y in x
0.151 * [taylor]: Taking taylor expansion of 1 in y
0.151 * [taylor]: Taking taylor expansion of 0 in y
0.153 * [taylor]: Taking taylor expansion of (- 2.0) in y
0.153 * [taylor]: Taking taylor expansion of 2.0 in y
0.155 * [taylor]: Taking taylor expansion of (* 4.0 y) in y
0.155 * [taylor]: Taking taylor expansion of 4.0 in y
0.155 * [taylor]: Taking taylor expansion of y in y
0.156 * [approximate]: Taking taylor expansion of (- (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) (/ 1 x)) in (x y) around 0
0.156 * [taylor]: Taking taylor expansion of (- (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) (/ 1 x)) in y
0.156 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in y
0.156 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in y
0.156 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in y
0.156 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in y
0.156 * [taylor]: Taking taylor expansion of 0.5 in y
0.156 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.156 * [taylor]: Taking taylor expansion of (* x y) in y
0.156 * [taylor]: Taking taylor expansion of x in y
0.156 * [taylor]: Taking taylor expansion of y in y
0.157 * [taylor]: Taking taylor expansion of 1.0 in y
0.157 * [taylor]: Taking taylor expansion of y in y
0.158 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.158 * [taylor]: Taking taylor expansion of x in y
0.158 * [taylor]: Taking taylor expansion of (- (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) (/ 1 x)) in x
0.158 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in x
0.158 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in x
0.158 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in x
0.158 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in x
0.158 * [taylor]: Taking taylor expansion of 0.5 in x
0.158 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.158 * [taylor]: Taking taylor expansion of (* x y) in x
0.158 * [taylor]: Taking taylor expansion of x in x
0.158 * [taylor]: Taking taylor expansion of y in x
0.159 * [taylor]: Taking taylor expansion of 1.0 in x
0.159 * [taylor]: Taking taylor expansion of y in x
0.159 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.159 * [taylor]: Taking taylor expansion of x in x
0.159 * [taylor]: Taking taylor expansion of (- (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) (/ 1 x)) in x
0.159 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y)) in x
0.159 * [taylor]: Taking taylor expansion of (* (+ (* 0.5 (/ 1 (* x y))) 1.0) y) in x
0.159 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (* x y))) 1.0) in x
0.160 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (* x y))) in x
0.160 * [taylor]: Taking taylor expansion of 0.5 in x
0.160 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.160 * [taylor]: Taking taylor expansion of (* x y) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [taylor]: Taking taylor expansion of y in x
0.160 * [taylor]: Taking taylor expansion of 1.0 in x
0.160 * [taylor]: Taking taylor expansion of y in x
0.160 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of -1 in y
0.162 * [taylor]: Taking taylor expansion of 0 in y
0.163 * [taylor]: Taking taylor expansion of 2.0 in y
0.165 * [taylor]: Taking taylor expansion of (- (* 4.0 y)) in y
0.165 * [taylor]: Taking taylor expansion of (* 4.0 y) in y
0.165 * [taylor]: Taking taylor expansion of 4.0 in y
0.165 * [taylor]: Taking taylor expansion of y in y
0.166 * * * [progress]: simplifying candidates
0.167 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log y) (log (+ 1.0 (/ (* x y) 2.0))))
  (log (/ y (+ 1.0 (/ (* x y) 2.0))))
  (exp (/ y (+ 1.0 (/ (* x y) 2.0))))
  (/ (* (* y y) y) (* (* (+ 1.0 (/ (* x y) 2.0)) (+ 1.0 (/ (* x y) 2.0))) (+ 1.0 (/ (* x y) 2.0))))
  (* (cbrt (/ y (+ 1.0 (/ (* x y) 2.0)))) (cbrt (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (cbrt (/ y (+ 1.0 (/ (* x y) 2.0))))
  (* (* (/ y (+ 1.0 (/ (* x y) 2.0))) (/ y (+ 1.0 (/ (* x y) 2.0)))) (/ y (+ 1.0 (/ (* x y) 2.0))))
  (sqrt (/ y (+ 1.0 (/ (* x y) 2.0))))
  (sqrt (/ y (+ 1.0 (/ (* x y) 2.0))))
  (- y)
  (- (+ 1.0 (/ (* x y) 2.0)))
  (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ 1.0 (/ (* x y) 2.0))) (cbrt (+ 1.0 (/ (* x y) 2.0)))))
  (/ (cbrt y) (cbrt (+ 1.0 (/ (* x y) 2.0))))
  (/ (* (cbrt y) (cbrt y)) (sqrt (+ 1.0 (/ (* x y) 2.0))))
  (/ (cbrt y) (sqrt (+ 1.0 (/ (* x y) 2.0))))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (+ 1.0 (/ (* x y) 2.0)))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (+ 1.0 (/ (* x y) 2.0)))
  (/ (sqrt y) (* (cbrt (+ 1.0 (/ (* x y) 2.0))) (cbrt (+ 1.0 (/ (* x y) 2.0)))))
  (/ (sqrt y) (cbrt (+ 1.0 (/ (* x y) 2.0))))
  (/ (sqrt y) (sqrt (+ 1.0 (/ (* x y) 2.0))))
  (/ (sqrt y) (sqrt (+ 1.0 (/ (* x y) 2.0))))
  (/ (sqrt y) 1)
  (/ (sqrt y) (+ 1.0 (/ (* x y) 2.0)))
  (/ (sqrt y) 1)
  (/ (sqrt y) (+ 1.0 (/ (* x y) 2.0)))
  (/ 1 (* (cbrt (+ 1.0 (/ (* x y) 2.0))) (cbrt (+ 1.0 (/ (* x y) 2.0)))))
  (/ y (cbrt (+ 1.0 (/ (* x y) 2.0))))
  (/ 1 (sqrt (+ 1.0 (/ (* x y) 2.0))))
  (/ y (sqrt (+ 1.0 (/ (* x y) 2.0))))
  (/ 1 1)
  (/ y (+ 1.0 (/ (* x y) 2.0)))
  (/ 1 1)
  (/ y (+ 1.0 (/ (* x y) 2.0)))
  (/ 1 (+ 1.0 (/ (* x y) 2.0)))
  (/ (+ 1.0 (/ (* x y) 2.0)) y)
  (/ y (* (cbrt (+ 1.0 (/ (* x y) 2.0))) (cbrt (+ 1.0 (/ (* x y) 2.0)))))
  (/ y (sqrt (+ 1.0 (/ (* x y) 2.0))))
  (/ y 1)
  (/ y 1)
  (/ (+ 1.0 (/ (* x y) 2.0)) (cbrt y))
  (/ (+ 1.0 (/ (* x y) 2.0)) (sqrt y))
  (/ (+ 1.0 (/ (* x y) 2.0)) y)
  (/ y (+ (pow 1.0 3) (pow (/ (* x y) 2.0) 3)))
  (/ y (- (* 1.0 1.0) (* (/ (* x y) 2.0) (/ (* x y) 2.0))))
  (/ (exp x) (exp (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (log (- x (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (exp (- x (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (* (cbrt (- x (/ y (+ 1.0 (/ (* x y) 2.0))))) (cbrt (- x (/ y (+ 1.0 (/ (* x y) 2.0))))))
  (cbrt (- x (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (* (* (- x (/ y (+ 1.0 (/ (* x y) 2.0)))) (- x (/ y (+ 1.0 (/ (* x y) 2.0))))) (- x (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (sqrt (- x (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (sqrt (- x (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (- (pow x 3) (pow (/ y (+ 1.0 (/ (* x y) 2.0))) 3))
  (+ (* x x) (+ (* (/ y (+ 1.0 (/ (* x y) 2.0))) (/ y (+ 1.0 (/ (* x y) 2.0)))) (* x (/ y (+ 1.0 (/ (* x y) 2.0))))))
  (- (/ y (+ 1.0 (/ (* x y) 2.0))))
  (- (* x x) (* (/ y (+ 1.0 (/ (* x y) 2.0))) (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (+ x (/ y (+ 1.0 (/ (* x y) 2.0))))
  (+ (sqrt x) (sqrt (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (- (sqrt x) (sqrt (/ y (+ 1.0 (/ (* x y) 2.0)))))
  (+ (sqrt x) (/ (sqrt y) (sqrt (+ 1.0 (/ (* x y) 2.0)))))
  (- (sqrt x) (/ (sqrt y) (sqrt (+ 1.0 (/ (* x y) 2.0)))))
  (- x (/ y (+ 1.0 (/ (* x y) 2.0))))
  (- (/ y (+ 1.0 (/ (* x y) 2.0))))
  (- (+ (* 1.0 y) (* 0.25 (* (pow x 2) (pow y 3)))) (* 0.5 (* x (pow y 2))))
  (- (+ (* 8.0 (/ 1 (* (pow x 3) (pow y 2)))) (* 2.0 (/ 1 x))) (* 4.0 (/ 1 (* (pow x 2) y))))
  (- (+ (* 8.0 (/ 1 (* (pow x 3) (pow y 2)))) (* 2.0 (/ 1 x))) (* 4.0 (/ 1 (* (pow x 2) y))))
  (- (+ (* 0.5 (* x (pow y 2))) x) (* 1.0 y))
  (- x (* 2.0 (/ 1 x)))
  (- x (* 2.0 (/ 1 x)))
0.170 * * [simplify]: iteration  0 :  116  enodes  (cost  913 )