59.973 * [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-egg> :
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.017 * * [simplify]: iteration  0 :  18  enodes  (cost  9 )
0.019 * * [simplify]: iteration  1 :  36  enodes  (cost  9 )
0.021 * * [simplify]: iteration  2 :  68  enodes  (cost  9 )
0.023 * * [simplify]: iteration  3 :  117  enodes  (cost  9 )
0.027 * * [simplify]: iteration  4 :  174  enodes  (cost  9 )
0.031 * * [simplify]: iteration  5 :  195  enodes  (cost  9 )
0.035 * * [simplify]: iteration  6 :  197  enodes  (cost  9 )
0.039 * * [simplify]: iteration  7 :  197  enodes  (cost  9 )
0.040 * [simplify]: Simplified to:
   (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.040 * * [progress]: iteration 1 / 4
0.040 * * * [progress]: picking best candidate
0.042 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>
0.042 * * * [progress]: localizing error
0.055 * * * [progress]: generating rewritten candidates
0.055 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.072 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.080 * * * [progress]: generating series expansions
0.080 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.081 * [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
0.081 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in y
0.081 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.081 * [taylor]: Taking taylor expansion of 4.0 in y
0.081 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 2))) in y
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.081 * [taylor]: Taking taylor expansion of 4.0 in y
0.081 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.082 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 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 (pow y 2)) in x
0.082 * [taylor]: Taking taylor expansion of 4.0 in x
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 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 (pow y 2)) in x
0.082 * [taylor]: Taking taylor expansion of 4.0 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 (/ (- (pow x 2) (* 4.0 (pow y 2))) (+ (pow x 2) (* 4.0 (pow y 2)))) in x
0.083 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 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 (pow y 2)) in x
0.083 * [taylor]: Taking taylor expansion of 4.0 in x
0.083 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.083 * [taylor]: Taking taylor expansion of y in x
0.083 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4.0 (pow y 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 (pow y 2)) in x
0.083 * [taylor]: Taking taylor expansion of 4.0 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 -1.0 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow y 2))) in y
0.092 * [taylor]: Taking taylor expansion of 0.5 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
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.107 * [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
0.107 * [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
0.107 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.107 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.107 * [taylor]: Taking taylor expansion of x in y
0.107 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.107 * [taylor]: Taking taylor expansion of 4.0 in y
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.108 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.108 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.108 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.108 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.108 * [taylor]: Taking taylor expansion of x in y
0.109 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.109 * [taylor]: Taking taylor expansion of 4.0 in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.109 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.112 * [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
0.112 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.113 * [taylor]: Taking taylor expansion of 4.0 in x
0.113 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.113 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.113 * [taylor]: Taking taylor expansion of y in x
0.113 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.114 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.114 * [taylor]: Taking taylor expansion of 4.0 in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.114 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.114 * [taylor]: Taking taylor expansion of y in x
0.116 * [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
0.116 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.116 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.117 * [taylor]: Taking taylor expansion of 4.0 in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.117 * [taylor]: Taking taylor expansion of y in x
0.117 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.118 * [taylor]: Taking taylor expansion of 4.0 in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.119 * [taylor]: Taking taylor expansion of 1 in y
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.128 * [taylor]: Taking taylor expansion of (- (* 8.0 (/ 1 (pow y 2)))) in y
0.128 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.128 * [taylor]: Taking taylor expansion of 8.0 in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.128 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.128 * [taylor]: Taking taylor expansion of y in y
0.140 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [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
0.140 * [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
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.140 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.140 * [taylor]: Taking taylor expansion of x in y
0.141 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.141 * [taylor]: Taking taylor expansion of 4.0 in y
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.141 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.141 * [taylor]: Taking taylor expansion of y in y
0.141 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.142 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.142 * [taylor]: Taking taylor expansion of x 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
0.146 * [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
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.146 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.146 * [taylor]: Taking taylor expansion of 4.0 in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.146 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.146 * [taylor]: Taking taylor expansion of y in x
0.147 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.147 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.147 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.147 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.148 * [taylor]: Taking taylor expansion of 4.0 in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.148 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.148 * [taylor]: Taking taylor expansion of y in x
0.149 * [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
0.149 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.149 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.149 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.150 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.150 * [taylor]: Taking taylor expansion of 4.0 in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.150 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.150 * [taylor]: Taking taylor expansion of y in x
0.150 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.150 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.151 * [taylor]: Taking taylor expansion of 4.0 in x
0.151 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.151 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.151 * [taylor]: Taking taylor expansion of y in x
0.152 * [taylor]: Taking taylor expansion of 1 in y
0.155 * [taylor]: Taking taylor expansion of 0 in y
0.158 * [taylor]: Taking taylor expansion of (- (* 8.0 (/ 1 (pow y 2)))) in y
0.158 * [taylor]: Taking taylor expansion of (* 8.0 (/ 1 (pow y 2))) in y
0.158 * [taylor]: Taking taylor expansion of 8.0 in y
0.158 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.158 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.158 * [taylor]: Taking taylor expansion of y in y
0.166 * [taylor]: Taking taylor expansion of 0 in y
0.166 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.166 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in (x y) around 0
0.166 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in y
0.166 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.166 * [taylor]: Taking taylor expansion of x in y
0.166 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.166 * [taylor]: Taking taylor expansion of 4.0 in y
0.166 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.166 * [taylor]: Taking taylor expansion of y in y
0.166 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.166 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.166 * [taylor]: Taking taylor expansion of x in x
0.166 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.166 * [taylor]: Taking taylor expansion of 4.0 in x
0.166 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.166 * [taylor]: Taking taylor expansion of y in x
0.167 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (pow y 2))) in x
0.167 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.167 * [taylor]: Taking taylor expansion of x in x
0.167 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in x
0.167 * [taylor]: Taking taylor expansion of 4.0 in x
0.167 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.167 * [taylor]: Taking taylor expansion of y in x
0.167 * [taylor]: Taking taylor expansion of (- (* 4.0 (pow y 2))) in y
0.167 * [taylor]: Taking taylor expansion of (* 4.0 (pow y 2)) in y
0.167 * [taylor]: Taking taylor expansion of 4.0 in y
0.167 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.167 * [taylor]: Taking taylor expansion of y in y
0.168 * [taylor]: Taking taylor expansion of 0 in y
0.169 * [taylor]: Taking taylor expansion of 1 in y
0.173 * [taylor]: Taking taylor expansion of 0 in y
0.176 * [taylor]: Taking taylor expansion of 0 in y
0.177 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.177 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.177 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.177 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.177 * [taylor]: Taking taylor expansion of x in y
0.177 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.177 * [taylor]: Taking taylor expansion of 4.0 in y
0.177 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.177 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.177 * [taylor]: Taking taylor expansion of y in y
0.177 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.177 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.178 * [taylor]: Taking taylor expansion of 4.0 in x
0.178 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.178 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.178 * [taylor]: Taking taylor expansion of y in x
0.178 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.178 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.178 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.179 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.179 * [taylor]: Taking taylor expansion of 4.0 in x
0.179 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.179 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.179 * [taylor]: Taking taylor expansion of y in x
0.179 * [taylor]: Taking taylor expansion of 1 in y
0.180 * [taylor]: Taking taylor expansion of 0 in y
0.181 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (pow y 2)))) in y
0.181 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.181 * [taylor]: Taking taylor expansion of 4.0 in y
0.181 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.181 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.182 * [taylor]: Taking taylor expansion of y in y
0.185 * [taylor]: Taking taylor expansion of 0 in y
0.189 * [taylor]: Taking taylor expansion of 0 in y
0.191 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in (x y) around 0
0.191 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in y
0.191 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.191 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.191 * [taylor]: Taking taylor expansion of x in y
0.191 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.191 * [taylor]: Taking taylor expansion of 4.0 in y
0.191 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.191 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.191 * [taylor]: Taking taylor expansion of y in y
0.192 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.192 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.192 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.192 * [taylor]: Taking taylor expansion of 4.0 in x
0.192 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.192 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.192 * [taylor]: Taking taylor expansion of y in x
0.192 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (pow y 2)))) in x
0.192 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.192 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in x
0.193 * [taylor]: Taking taylor expansion of 4.0 in x
0.193 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.193 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.193 * [taylor]: Taking taylor expansion of y in x
0.193 * [taylor]: Taking taylor expansion of 1 in y
0.194 * [taylor]: Taking taylor expansion of 0 in y
0.196 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (pow y 2)))) in y
0.196 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (pow y 2))) in y
0.196 * [taylor]: Taking taylor expansion of 4.0 in y
0.196 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.196 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.196 * [taylor]: Taking taylor expansion of y in y
0.199 * [taylor]: Taking taylor expansion of 0 in y
0.205 * [taylor]: Taking taylor expansion of 0 in y
0.207 * * * [progress]: simplifying candidates
0.208 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (- (* x x) (* (* 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)))
  (/ 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)) (+ (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)))
  (- (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))))
  (- (* (* y 4.0) y))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) y) (* (* y 4.0) y)))
  (+ (* x x) (* (* y 4.0) y))
  (- (* (* 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)))
0.211 * * [simplify]: iteration  0 :  116  enodes  (cost  135 )
0.214 * * [simplify]: iteration  1 :  453  enodes  (cost  134 )
0.224 * * [simplify]: iteration  2 :  1809  enodes  (cost  134 )
0.276 * * [simplify]: iteration  3 :  5001  enodes  (cost  125 )
0.277 * [simplify]: Simplified to:
   (- (- (* x x) (* (* 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)))
  (/ 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)) (+ (pow (* x x) 3) (pow (* (* y 4.0) y) 3)))
  (/ 1 (+ (* x x) (* (* y 4.0) y)))
  (* (+ (* (* (* 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)))
  (- (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)))
  (- (* (* y 4.0) y))
  (+ (- (* (* (* y 4.0) y) (* (* y 4.0) y))) (pow x 4))
  (+ (* x x) (* (* y 4.0) y))
  (- (* (* 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))
0.277 * * * [progress]: adding candidates to table
0.308 * * [progress]: iteration 2 / 4
0.308 * * * [progress]: picking best candidate
0.310 * * * * [pick]: Picked  #<alt (λ (x y) -1.0)>
0.310 * * * [progress]: localizing error
0.310 * * * [progress]: generating rewritten candidates
0.310 * * * [progress]: generating series expansions
0.310 * * * [progress]: simplifying candidates
0.310 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.313 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.313 * [simplify]: Simplified to:
   
0.313 * * * [progress]: adding candidates to table
0.313 * * [progress]: iteration 3 / 4
0.313 * * * [progress]: picking best candidate
0.314 * * * * [pick]: Picked  #<alt (λ (x y) 1)>
0.314 * * * [progress]: localizing error
0.314 * * * [progress]: generating rewritten candidates
0.314 * * * [progress]: generating series expansions
0.314 * * * [progress]: simplifying candidates
0.314 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.316 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.316 * [simplify]: Simplified to:
   
0.316 * * * [progress]: adding candidates to table
0.316 * [progress]: [Phase 3 of 3] Extracting.
0.316 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>)
0.317 * * * [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)
0.317 * * * * [regimes]: Trying to branch on (* (* y 4.0) y) from (#<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>)
0.336 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>)
0.360 * * * * [regimes]: Trying to branch on (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) from (#<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>)
0.372 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>)
0.396 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>)
0.433 * * * [regime]: Found split indices: #<option (#s(si 1 36) #s(si 2 69) #s(si 0 162) #s(si 2 184) #s(si 0 191) #s(si 2 216) #s(si 1 255))>
0.434 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>)
0.633 * [regimes]: Found splitpoints: (#s(sp 1 x -3.083108636099379e+138) #s(sp 2 x -1.4247950034871411e-65) #s(sp 0 x 5.1574474042365036e-136) #s(sp 2 x 5.887786609364337e-36) #s(sp 0 x 1.9147852806683633e+18) #s(sp 2 x 2.026811476856582e+120) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y) -1.0)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>)
0.633 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= x -3.083108636099379e+138) 1 (if (<= x -1.4247950034871411e-65) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (if (<= x 5.1574474042365036e-136) -1.0 (if (<= x 5.887786609364337e-36) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (if (<= x 1.9147852806683633e+18) -1.0 (if (<= x 2.026811476856582e+120) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) 1))))))
0.634 * * [simplify]: iteration  0 :  34  enodes  (cost  27 )
0.635 * * [simplify]: iteration  1 :  34  enodes  (cost  27 )
0.635 * [simplify]: Simplified to:
   (if (<= x -3.083108636099379e+138) 1 (if (<= x -1.4247950034871411e-65) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (if (<= x 5.1574474042365036e-136) -1.0 (if (<= x 5.887786609364337e-36) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) (if (<= x 1.9147852806683633e+18) -1.0 (if (<= x 2.026811476856582e+120) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))) 1))))))
1.066 * [regime-testing]: Baseline error score: 31.542614142371296
1.067 * [regime-testing]: Oracle error score: 0.38452902148229434
1.068 * [regime-testing]: End program error score: 13.744103541167572
1.111 * [regime-testing]: Target error score: 31.74994136390802