32.105 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.022 * * [simplify]: iteration  0 :  18  enodes  (cost  9 )
0.023 * * [simplify]: iteration  1 :  36  enodes  (cost  9 )
0.025 * * [simplify]: iteration  2 :  68  enodes  (cost  9 )
0.027 * * [simplify]: iteration  3 :  117  enodes  (cost  9 )
0.029 * * [simplify]: iteration  4 :  174  enodes  (cost  9 )
0.032 * * [simplify]: iteration  5 :  195  enodes  (cost  9 )
0.035 * * [simplify]: iteration  6 :  197  enodes  (cost  9 )
0.038 * * [simplify]: iteration  7 :  197  enodes  (cost  9 )
0.038 * [simplify]: Simplified to:
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.038 * * [progress]: iteration 1 / 4
0.038 * * * [progress]: picking best candidate
0.040 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>
0.040 * * * [progress]: localizing error
0.048 * * * [progress]: generating rewritten candidates
0.048 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.057 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.061 * * * [progress]: generating series expansions
0.061 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.062 * [approximate]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in (x y) around 0
0.062 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
0.062 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.062 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.062 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.062 * [taylor]: Taking taylor expansion of 4.0 in y
0.062 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.062 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.062 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.062 * [taylor]: Taking taylor expansion of 4.0 in y
0.062 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.062 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.062 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.062 * [taylor]: Taking taylor expansion of 4.0 in x
0.062 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.063 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.063 * [taylor]: Taking taylor expansion of 4.0 in x
0.063 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.063 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.063 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.063 * [taylor]: Taking taylor expansion of 4.0 in x
0.063 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in x
0.063 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.063 * [taylor]: Taking taylor expansion of 4.0 in x
0.063 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.064 * [taylor]: Taking taylor expansion of -1.0 in y
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.070 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
0.070 * [taylor]: Taking taylor expansion of 0.5 in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.070 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.078 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.078 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.078 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.078 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.078 * [taylor]: Taking taylor expansion of x in y
0.078 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.078 * [taylor]: Taking taylor expansion of 4.0 in y
0.078 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.078 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.078 * [taylor]: Taking taylor expansion of y in y
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.079 * [taylor]: Taking taylor expansion of x in y
0.079 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.079 * [taylor]: Taking taylor expansion of 4.0 in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.079 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.082 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.082 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.082 * [taylor]: Taking taylor expansion of 4.0 in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.083 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.083 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.083 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.083 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.083 * [taylor]: Taking taylor expansion of 4.0 in x
0.083 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.083 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.083 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.084 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.084 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.085 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.085 * [taylor]: Taking taylor expansion of 4.0 in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.085 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.085 * [taylor]: Taking taylor expansion of y in x
0.085 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.085 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.085 * [taylor]: Taking taylor expansion of 4.0 in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [taylor]: Taking taylor expansion of 1 in y
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.092 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.092 * [taylor]: Taking taylor expansion of 8.0 in y
0.092 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.092 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.092 * [taylor]: Taking taylor expansion of y in y
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in (x y) around 0
0.101 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in y
0.101 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.101 * [taylor]: Taking taylor expansion of x in y
0.101 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.101 * [taylor]: Taking taylor expansion of 4.0 in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.101 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.102 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.102 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.102 * [taylor]: Taking taylor expansion of 4.0 in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.102 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.104 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.105 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.105 * [taylor]: Taking taylor expansion of 4.0 in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.105 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.105 * [taylor]: Taking taylor expansion of y in x
0.105 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.105 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.106 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.106 * [taylor]: Taking taylor expansion of 4.0 in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.106 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.106 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2))))) in x
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.110 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.110 * [taylor]: Taking taylor expansion of 4.0 in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.110 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.110 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.111 * [taylor]: Taking taylor expansion of 4.0 in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.111 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.112 * [taylor]: Taking taylor expansion of 1 in y
0.114 * [taylor]: Taking taylor expansion of 0 in y
0.118 * [taylor]: Taking taylor expansion of (neg (* 8.0 (/ 1 (pow y 2)))) in y
0.118 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.118 * [taylor]: Taking taylor expansion of 8.0 in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.118 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.118 * [taylor]: Taking taylor expansion of y in y
0.126 * [taylor]: Taking taylor expansion of 0 in y
0.126 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.126 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.126 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.126 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.126 * [taylor]: Taking taylor expansion of x in y
0.126 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.126 * [taylor]: Taking taylor expansion of 4.0 in y
0.126 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.126 * [taylor]: Taking taylor expansion of y in y
0.126 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.126 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.126 * [taylor]: Taking taylor expansion of 4.0 in x
0.126 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.126 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.126 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.126 * [taylor]: Taking taylor expansion of 4.0 in x
0.126 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.127 * [taylor]: Taking taylor expansion of (neg (* 4.0 (pow y 2))) in y
0.127 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.127 * [taylor]: Taking taylor expansion of 4.0 in y
0.127 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.128 * [taylor]: Taking taylor expansion of 0 in y
0.130 * [taylor]: Taking taylor expansion of 1 in y
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.137 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.137 * [taylor]: Taking taylor expansion of 4.0 in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.137 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.138 * [taylor]: Taking taylor expansion of 4.0 in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.138 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.139 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.139 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.139 * [taylor]: Taking taylor expansion of 4.0 in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.139 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.139 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of 1 in y
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.142 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.142 * [taylor]: Taking taylor expansion of 4.0 in y
0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.142 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.142 * [taylor]: Taking taylor expansion of y in y
0.145 * [taylor]: Taking taylor expansion of 0 in y
0.150 * [taylor]: Taking taylor expansion of 0 in y
0.152 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.152 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.152 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.152 * [taylor]: Taking taylor expansion of x in y
0.152 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.152 * [taylor]: Taking taylor expansion of 4.0 in y
0.153 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.153 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.153 * [taylor]: Taking taylor expansion of y in y
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.153 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.154 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.154 * [taylor]: Taking taylor expansion of 4.0 in x
0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.154 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.154 * [taylor]: Taking taylor expansion of y in x
0.154 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.154 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.154 * [taylor]: Taking taylor expansion of x in x
0.154 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.154 * [taylor]: Taking taylor expansion of 4.0 in x
0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.154 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.154 * [taylor]: Taking taylor expansion of y in x
0.155 * [taylor]: Taking taylor expansion of 1 in y
0.156 * [taylor]: Taking taylor expansion of 0 in y
0.157 * [taylor]: Taking taylor expansion of (neg (* 4.0 (/ 1 (pow y 2)))) in y
0.157 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.157 * [taylor]: Taking taylor expansion of 4.0 in y
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.157 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.157 * [taylor]: Taking taylor expansion of y in y
0.161 * [taylor]: Taking taylor expansion of 0 in y
0.165 * [taylor]: Taking taylor expansion of 0 in y
0.167 * * * [progress]: simplifying candidates
0.168 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- (* x x) (* (* y 4.0) y))) (log (+ (* x x) (* (* y 4.0) y))))
  (log (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (exp (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (/ (* (* (- (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y))) (* (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y))))
  (* (cbrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))) (cbrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))))
  (cbrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (* (* (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (neg (- (* x x) (* (* y 4.0) y)))
  (neg (+ (* x x) (* (* y 4.0) y)))
  (/ (* x x) (+ (* x x) (* (* y 4.0) y)))
  (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) 1)
  (/ (cbrt (- (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y)))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) 1)
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (- (* x x) (* (* y 4.0) y)) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ 1 (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (- (* x x) (* (* y 4.0) y)) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ 1 1)
  (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (+ (* x x) (* (* y 4.0) y)))
  (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))
  (/ (- (* x x) (* (* y 4.0) y)) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (- (* x x) (* (* y 4.0) y)) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (- (* x x) (* (* y 4.0) y)) 1)
  (/ (+ (* x x) (* (* y 4.0) y)) (cbrt (- (* x x) (* (* y 4.0) y))))
  (/ (+ (* x x) (* (* y 4.0) y)) (sqrt (- (* x x) (* (* y 4.0) y))))
  (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))
  (/ (- (* x x) (* (* y 4.0) y)) (+ (pow (* x x) 3) (pow (* (* y 4.0) y) 3)))
  (/ (- (* x x) (* (* y 4.0) y)) (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y))))
  (* (+ (* x x) (* (* y 4.0) y)) (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) y) (* (* y 4.0) y)) (* (* x x) (* (* y 4.0) y)))))
  (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
  (/ (exp (* x x)) (exp (* (* y 4.0) y)))
  (log (- (* x x) (* (* y 4.0) y)))
  (exp (- (* x x) (* (* y 4.0) y)))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (cbrt (- (* x x) (* (* y 4.0) y)))
  (* (* (- (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y))) (- (* x x) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) y) (* (* y 4.0) y)) (* (* x x) (* (* y 4.0) y))))
  (neg (* (* y 4.0) y))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))
  (+ (* x x) (* (* y 4.0) y))
  (neg (* (* y 4.0) y))
  -1.0
  1
  1
  (- (pow x 2) (* 4.0 (pow y 2)))
  (- (pow x 2) (* 4.0 (pow y 2)))
  (- (pow x 2) (* 4.0 (pow y 2)))
0.174 * * [simplify]: iteration  0 :  221  enodes  (cost  583 )
0.181 * * [simplify]: iteration  1 :  964  enodes  (cost  535 )
0.202 * * [simplify]: iteration  2 :  4800  enodes  (cost  534 )
0.348 * * [simplify]: iteration  3 :  5002  enodes  (cost  534 )
0.351 * [simplify]: Simplified to:
   (log (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (log (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (exp (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (pow (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) 3)
  (* (cbrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))) (cbrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))))
  (cbrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (pow (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) 3)
  (sqrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (sqrt (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))
  (neg (- (* x x) (* (* y 4.0) y)))
  (neg (+ (* x x) (* (* y 4.0) y)))
  (/ (* x x) (+ (* x x) (* (* y 4.0) y)))
  (/ (* (* y 4.0) y) (+ (* x x) (* (* y 4.0) y)))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y)))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (/ (cbrt (- (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y)))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (/ (sqrt (- (* x x) (* (* y 4.0) y))) (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (- (* x x) (* (* y 4.0) y)) (cbrt (+ (* x x) (* (* y 4.0) y))))
  (/ 1 (sqrt (+ (* x x) (* (* y 4.0) y))))
  (/ (- (* x x) (* (* y 4.0) y)) (sqrt (+ (* x x) (* (* y 4.0) y))))
  1
  (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
  (/ 1 (+ (* x x) (* (* y 4.0) y)))
  (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))
  (/ (- (* x x) (* (* y 4.0) y)) (* (cbrt (+ (* x x) (* (* y 4.0) y))) (cbrt (+ (* x x) (* (* y 4.0) y)))))
  (/ (- (* x x) (* (* y 4.0) y)) (sqrt (+ (* x x) (* (* y 4.0) y))))
  (- (* x x) (* (* y 4.0) y))
  (/ (+ (* x x) (* (* y 4.0) y)) (cbrt (- (* x x) (* (* y 4.0) y))))
  (/ (+ (* x x) (* (* y 4.0) y)) (sqrt (- (* x x) (* (* y 4.0) y))))
  (/ (+ (* x x) (* (* y 4.0) y)) (- (* x x) (* (* y 4.0) y)))
  (/ (- (* x x) (* (* y 4.0) y)) (+ (pow (* x x) 3) (pow (* (* y 4.0) y) 3)))
  (/ (- (* x x) (* (* y 4.0) y)) (+ (neg (* (* (* y 4.0) y) (* (* y 4.0) y))) (pow x 4)))
  (* (+ (* (* (* y 4.0) y) (+ (* (* y 4.0) y) (pow x 2))) (* (* x x) (* x x))) (+ (* x x) (* (* y 4.0) y)))
  (* (+ (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
  (exp (- (* x x) (* (* y 4.0) y)))
  (log (- (* x x) (* (* y 4.0) y)))
  (exp (- (* x x) (* (* y 4.0) y)))
  (* (cbrt (- (* x x) (* (* y 4.0) y))) (cbrt (- (* x x) (* (* y 4.0) y))))
  (cbrt (- (* x x) (* (* y 4.0) y)))
  (pow (- (* x x) (* (* y 4.0) y)) 3)
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (sqrt (- (* x x) (* (* y 4.0) y)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) y) 3))
  (+ (* (* (* y 4.0) y) (+ (* (* y 4.0) y) (pow x 2))) (* (* x x) (* x x)))
  (neg (* (* y 4.0) y))
  (+ (neg (* (* (* y 4.0) y) (* (* y 4.0) y))) (pow x 4))
  (+ (* x x) (* (* y 4.0) y))
  (neg (* (* y 4.0) y))
  -1.0
  1
  1
  (- (* x x) (* (* y 4.0) y))
  (- (* x x) (* (* y 4.0) y))
  (- (* x x) (* (* y 4.0) y))
0.352 * * * [progress]: adding candidates to table
0.435 * * [progress]: iteration 2 / 4
0.435 * * * [progress]: picking best candidate
0.437 * * * * [pick]: Picked  #<alt (λ (x y) -1.0)>
0.437 * * * [progress]: localizing error
0.437 * * * [progress]: generating rewritten candidates
0.437 * * * [progress]: generating series expansions
0.437 * * * [progress]: simplifying candidates
0.437 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.440 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.440 * [simplify]: Simplified to:
   
0.440 * * * [progress]: adding candidates to table
0.440 * * [progress]: iteration 3 / 4
0.440 * * * [progress]: picking best candidate
0.441 * * * * [pick]: Picked  #<alt (λ (x y) 1)>
0.441 * * * [progress]: localizing error
0.441 * * * [progress]: generating rewritten candidates
0.441 * * * [progress]: generating series expansions
0.441 * * * [progress]: simplifying candidates
0.441 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.444 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.444 * [simplify]: Simplified to:
   
0.444 * * * [progress]: adding candidates to table
0.444 * [progress]: [Phase 3 of 3] Extracting.
0.444 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.444 * * * [regime-changes]: Trying 5 branch expressions: ((* (* y 4.0) y) (* x x) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) y x)
0.444 * * * * [regimes]: Trying to branch on (* (* y 4.0) y) from (#<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.462 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.487 * * * * [regimes]: Trying to branch on (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) from (#<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.499 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.530 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.550 * * * [regime]: Found split indices: #<option (#s(si 2 107) #s(si 0 176) #s(si 1 255))>
0.551 * [binary-search]: Improving bounds with binary search for (* (* y 4.0) y) and (#<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.591 * [regimes]: Found splitpoints: (#s(sp 2 (* (* y 4.0) y) 5.003704659717404e-116) #s(sp 0 (* (* y 4.0) y) 5.6039288994564105e+190) #s(sp 1 (* (* y 4.0) y) +nan.0)) , with alts (#<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))> #<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)>)
0.591 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= (* (* y 4.0) y) 5.003704659717404e-116) 1 (if (<= (* (* y 4.0) y) 5.6039288994564105e+190) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) -1.0))
0.592 * * [simplify]: iteration  0 :  22  enodes  (cost  13 )
0.592 * * [simplify]: iteration  1 :  22  enodes  (cost  13 )
0.593 * [simplify]: Simplified to:
   (if (<= (* (* y 4.0) y) 5.003704659717404e-116) 1 (if (<= (* (* y 4.0) y) 5.6039288994564105e+190) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) -1.0))
1.119 * [regime-testing]: Baseline error score: 31.87018422090455
1.119 * [regime-testing]: Oracle error score: 0.35832613891841275
1.121 * [regime-testing]: End program error score: 12.834251539850895
1.160 * [regime-testing]: Target error score: 31.573939807700523