17.817 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.024 * * [simplify]: iteration  0 :  89  enodes  (cost  5 )
0.024 * * [simplify]: iteration  1 :  89  enodes  (cost  5 )
0.024 * [simplify]: Simplified to:
   (- x (* y y))
0.024 * * [progress]: iteration 1 / 4
0.024 * * * [progress]: picking best candidate
0.027 * * * * [pick]: Picked  #<alt (λ (x y) (- x (* y y)))>
0.027 * * * [progress]: localizing error
0.030 * * * [progress]: generating rewritten candidates
0.030 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.034 * * * [progress]: generating series expansions
0.034 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.034 * [approximate]: Taking taylor expansion of (- x (pow y 2)) in (x y) around 0
0.034 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in y
0.034 * [taylor]: Taking taylor expansion of x in y
0.034 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.034 * [taylor]: Taking taylor expansion of y in y
0.034 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.034 * [taylor]: Taking taylor expansion of y in x
0.034 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.034 * [taylor]: Taking taylor expansion of y in x
0.034 * [taylor]: Taking taylor expansion of (neg (pow y 2)) in y
0.034 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.034 * [taylor]: Taking taylor expansion of y in y
0.034 * [taylor]: Taking taylor expansion of 1 in y
0.035 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [approximate]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in (x y) around 0
0.035 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in y
0.035 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.035 * [taylor]: Taking taylor expansion of x in y
0.035 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.035 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.035 * [taylor]: Taking taylor expansion of y in y
0.035 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.035 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.035 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.035 * [taylor]: Taking taylor expansion of y in x
0.035 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.036 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of 1 in y
0.036 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.036 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.036 * [taylor]: Taking taylor expansion of y in y
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.037 * [taylor]: Taking taylor expansion of 0 in y
0.037 * [taylor]: Taking taylor expansion of 0 in y
0.038 * [taylor]: Taking taylor expansion of 0 in y
0.038 * [approximate]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.038 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in y
0.038 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in y
0.038 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.038 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.038 * [taylor]: Taking taylor expansion of y in y
0.038 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.038 * [taylor]: Taking taylor expansion of x in y
0.038 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.038 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.038 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.038 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.038 * [taylor]: Taking taylor expansion of y in x
0.038 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.038 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.038 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.038 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.038 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.039 * [taylor]: Taking taylor expansion of x in x
0.039 * [taylor]: Taking taylor expansion of (neg 1) in y
0.039 * [taylor]: Taking taylor expansion of 1 in y
0.039 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.039 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.039 * [taylor]: Taking taylor expansion of y in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.041 * * * [progress]: simplifying candidates
0.041 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp x) (exp (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (* (* (- x (* y y)) (- x (* y y))) (- x (* y y)))
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow (* y y) 3))
  (+ (* x x) (+ (* (* y y) (* y y)) (* x (* y y))))
  (neg (* y y))
  (- (* x x) (* (* y y) (* y y)))
  (+ x (* y y))
  (+ (sqrt x) y)
  (- (sqrt x) y)
  (neg (* y y))
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
0.082 * * [simplify]: iteration  0 :  4939  enodes  (cost  117 )
0.082 * * [simplify]: iteration  1 :  4939  enodes  (cost  117 )
0.083 * [simplify]: Simplified to:
   (exp (- x (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (pow (- x (* y y)) 3)
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow y 6))
  (+ (pow y 4) (* x (+ x (* y y))))
  (* y (neg y))
  (- (* x x) (pow y 4))
  (+ x (* y y))
  (+ y (sqrt x))
  (- (sqrt x) y)
  (* y (neg y))
  (- x (* y y))
  (- x (* y y))
  (- x (* y y))
0.084 * * * [progress]: adding candidates to table
0.104 * * [progress]: iteration 2 / 4
0.104 * * * [progress]: picking best candidate
0.106 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>
0.107 * * * [progress]: localizing error
0.112 * * * [progress]: generating rewritten candidates
0.112 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.124 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.129 * * * [progress]: generating series expansions
0.129 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.129 * [approximate]: Taking taylor expansion of (* (+ (sqrt x) y) (- (sqrt x) y)) in (y x) around 0
0.129 * [taylor]: Taking taylor expansion of (* (+ (sqrt x) y) (- (sqrt x) y)) in x
0.129 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in x
0.129 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
0.129 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of (* (+ (sqrt x) y) (- (sqrt x) y)) in y
0.129 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in y
0.129 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.129 * [taylor]: Taking taylor expansion of x in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in y
0.130 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.130 * [taylor]: Taking taylor expansion of x in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of (* (+ (sqrt x) y) (- (sqrt x) y)) in y
0.130 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in y
0.130 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.130 * [taylor]: Taking taylor expansion of x in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in y
0.130 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.130 * [taylor]: Taking taylor expansion of x in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of 0 in x
0.130 * [taylor]: Taking taylor expansion of (neg 1) in x
0.131 * [taylor]: Taking taylor expansion of 1 in x
0.131 * [taylor]: Taking taylor expansion of 0 in x
0.131 * [approximate]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in (y x) around 0
0.131 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in x
0.131 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
0.131 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in y
0.131 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in y
0.131 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.131 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.131 * [taylor]: Taking taylor expansion of x in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.132 * [taylor]: Taking taylor expansion of y in y
0.132 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.132 * [taylor]: Taking taylor expansion of y in y
0.132 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.132 * [taylor]: Taking taylor expansion of x in y
0.132 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in y
0.132 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in y
0.132 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.132 * [taylor]: Taking taylor expansion of x in y
0.133 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.133 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.133 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.133 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.133 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.133 * [taylor]: Taking taylor expansion of x in y
0.133 * [taylor]: Taking taylor expansion of -1 in x
0.133 * [taylor]: Taking taylor expansion of 0 in x
0.133 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of 0 in x
0.135 * [taylor]: Taking taylor expansion of 0 in x
0.135 * [taylor]: Taking taylor expansion of 0 in x
0.136 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in (y x) around 0
0.136 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in x
0.136 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.136 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.136 * [taylor]: Taking taylor expansion of -1 in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.136 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.136 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.136 * [taylor]: Taking taylor expansion of -1 in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in y
0.136 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.136 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.136 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.136 * [taylor]: Taking taylor expansion of -1 in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.136 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.136 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.136 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.136 * [taylor]: Taking taylor expansion of -1 in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in y
0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.137 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.137 * [taylor]: Taking taylor expansion of -1 in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.137 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.137 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.137 * [taylor]: Taking taylor expansion of -1 in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of -1 in x
0.137 * [taylor]: Taking taylor expansion of 0 in x
0.138 * [taylor]: Taking taylor expansion of (pow (sqrt (/ -1 x)) 2) in x
0.138 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.138 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.138 * [taylor]: Taking taylor expansion of -1 in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of 0 in x
0.139 * [taylor]: Taking taylor expansion of 0 in x
0.140 * [taylor]: Taking taylor expansion of 0 in x
0.140 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.140 * [approximate]: Taking taylor expansion of (+ (sqrt x) y) in (y x) around 0
0.140 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in x
0.140 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of y in x
0.141 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in y
0.141 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.141 * [taylor]: Taking taylor expansion of x in y
0.141 * [taylor]: Taking taylor expansion of y in y
0.141 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in y
0.141 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.141 * [taylor]: Taking taylor expansion of x in y
0.141 * [taylor]: Taking taylor expansion of y in y
0.141 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of 1 in x
0.141 * [taylor]: Taking taylor expansion of 0 in x
0.142 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in (y x) around 0
0.142 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.142 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.142 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.142 * [taylor]: Taking taylor expansion of y in y
0.142 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.142 * [taylor]: Taking taylor expansion of x in y
0.142 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.142 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.142 * [taylor]: Taking taylor expansion of y in y
0.142 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.142 * [taylor]: Taking taylor expansion of x in y
0.142 * [taylor]: Taking taylor expansion of 1 in x
0.142 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of 0 in x
0.143 * [taylor]: Taking taylor expansion of 0 in x
0.143 * [approximate]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in (y x) around 0
0.143 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.143 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.143 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.143 * [taylor]: Taking taylor expansion of -1 in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.143 * [taylor]: Taking taylor expansion of y in x
0.143 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.143 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.143 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.143 * [taylor]: Taking taylor expansion of -1 in y
0.143 * [taylor]: Taking taylor expansion of x in y
0.144 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.144 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.144 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.144 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.144 * [taylor]: Taking taylor expansion of -1 in y
0.144 * [taylor]: Taking taylor expansion of x in y
0.144 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.144 * [taylor]: Taking taylor expansion of (neg 1) in x
0.144 * [taylor]: Taking taylor expansion of 1 in x
0.144 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.144 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.144 * [taylor]: Taking taylor expansion of -1 in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [taylor]: Taking taylor expansion of 0 in x
0.145 * [taylor]: Taking taylor expansion of 0 in x
0.145 * * * [progress]: simplifying candidates
0.146 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ y (sqrt x)) (- (sqrt x) y))
  (+ (log (+ y (sqrt x))) (log (- (sqrt x) y)))
  (log (* (+ y (sqrt x)) (- (sqrt x) y)))
  (exp (* (+ y (sqrt x)) (- (sqrt x) y)))
  (* (* (* (+ y (sqrt x)) (+ y (sqrt x))) (+ y (sqrt x))) (* (* (- (sqrt x) y) (- (sqrt x) y)) (- (sqrt x) y)))
  (* (cbrt (* (+ y (sqrt x)) (- (sqrt x) y))) (cbrt (* (+ y (sqrt x)) (- (sqrt x) y))))
  (cbrt (* (+ y (sqrt x)) (- (sqrt x) y)))
  (* (* (* (+ y (sqrt x)) (- (sqrt x) y)) (* (+ y (sqrt x)) (- (sqrt x) y))) (* (+ y (sqrt x)) (- (sqrt x) y)))
  (sqrt (* (+ y (sqrt x)) (- (sqrt x) y)))
  (sqrt (* (+ y (sqrt x)) (- (sqrt x) y)))
  (* (+ (pow y 3) (pow (sqrt x) 3)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* y y) (- (* (sqrt x) (sqrt x)) (* y (sqrt x)))) (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y))))
  (* (+ (pow y 3) (pow (sqrt x) 3)) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (+ (* y y) (- (* (sqrt x) (sqrt x)) (* y (sqrt x)))) (+ (sqrt x) y))
  (* (- (* y y) (* (sqrt x) (sqrt x))) (- (pow (sqrt x) 3) (pow y 3)))
  (* (- y (sqrt x)) (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y))))
  (* (- (* y y) (* (sqrt x) (sqrt x))) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (- y (sqrt x)) (+ (sqrt x) y))
  (* (sqrt (+ y (sqrt x))) (sqrt (- (sqrt x) y)))
  (* (sqrt (+ y (sqrt x))) (sqrt (- (sqrt x) y)))
  (* (+ y (sqrt x)) (sqrt x))
  (* (+ y (sqrt x)) (neg y))
  (* (+ y (sqrt x)) (sqrt x))
  (* (+ y (sqrt x)) (neg y))
  (* (sqrt x) (+ y (sqrt x)))
  (* (neg y) (+ y (sqrt x)))
  (* (sqrt x) (+ y (sqrt x)))
  (* (neg y) (+ y (sqrt x)))
  (* (+ y (sqrt x)) (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y))))
  (* (+ y (sqrt x)) (sqrt (- (sqrt x) y)))
  (* (+ y (sqrt x)) 1)
  (* (+ y (sqrt x)) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ y (sqrt x)) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ y (sqrt x)) 1)
  (* (cbrt (+ y (sqrt x))) (- (sqrt x) y))
  (* (sqrt (+ y (sqrt x))) (- (sqrt x) y))
  (* (+ y (sqrt x)) (- (sqrt x) y))
  (* (+ y (sqrt x)) (- (sqrt x) y))
  (* (+ y (sqrt x)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ y (sqrt x)) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (+ (pow y 3) (pow (sqrt x) 3)) (- (sqrt x) y))
  (* (- (* y y) (* (sqrt x) (sqrt x))) (- (sqrt x) y))
  (* (exp y) (exp (sqrt x)))
  (log (+ y (sqrt x)))
  (exp (+ y (sqrt x)))
  (* (cbrt (+ y (sqrt x))) (cbrt (+ y (sqrt x))))
  (cbrt (+ y (sqrt x)))
  (* (* (+ y (sqrt x)) (+ y (sqrt x))) (+ y (sqrt x)))
  (sqrt (+ y (sqrt x)))
  (sqrt (+ y (sqrt x)))
  (+ (pow y 3) (pow (sqrt x) 3))
  (+ (* y y) (- (* (sqrt x) (sqrt x)) (* y (sqrt x))))
  (- (* y y) (* (sqrt x) (sqrt x)))
  (- y (sqrt x))
  (+ y (sqrt x))
  (- x (pow y 2))
  (- x (pow y 2))
  (- (pow NAN 2) (+ (pow y 2) (* 2 (/ (pow NAN 4) x))))
  (+ (* x NAN) (+ y (* (pow x 2) (pow NAN 3))))
  (+ (/ (pow NAN 3) x) (+ NAN y))
  (- (+ NAN y) (/ (pow NAN 3) x))
0.201 * * [simplify]: iteration  0 :  5060  enodes  (cost  501 )
0.204 * [simplify]: Simplified to:
   (- x (* y y))
  (log (- x (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (pow (- x (* y y)) 3)
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (pow (- x (* y y)) 3)
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (* (+ (pow y 3) (pow x 3/2)) (- (pow x 3/2) (pow y 3)))
  (* (+ x (* y (- y (sqrt x)))) (+ x (* y (+ y (sqrt x)))))
  (* (- x (* y y)) (+ (pow y 3) (pow x 3/2)))
  (* (+ y (sqrt x)) (+ x (* y (- y (sqrt x)))))
  (* (- (pow x 3/2) (pow y 3)) (- (* y y) x))
  (- (* y (+ (- (* y y) x) x)) (pow x 3/2))
  (* (- x (* y y)) (- (* y y) x))
  (- (* y y) x)
  (* (sqrt (+ y (sqrt x))) (sqrt (- (sqrt x) y)))
  (* (sqrt (+ y (sqrt x))) (sqrt (- (sqrt x) y)))
  (+ x (* y (sqrt x)))
  (* y (- (neg y) (sqrt x)))
  (+ x (* y (sqrt x)))
  (* y (- (neg y) (sqrt x)))
  (+ x (* y (sqrt x)))
  (* y (- (neg y) (sqrt x)))
  (+ x (* y (sqrt x)))
  (* y (- (neg y) (sqrt x)))
  (* (+ y (sqrt x)) (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y))))
  (* (+ y (sqrt x)) (sqrt (- (sqrt x) y)))
  (+ y (sqrt x))
  (* (+ y (sqrt x)) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ y (sqrt x)) (+ (sqrt (sqrt x)) (sqrt y)))
  (+ y (sqrt x))
  (* (- (sqrt x) y) (cbrt (+ y (sqrt x))))
  (* (- (sqrt x) y) (sqrt (+ y (sqrt x))))
  (- x (* y y))
  (- x (* y y))
  (* (+ y (sqrt x)) (- (pow x 3/2) (pow y 3)))
  (* (+ y (sqrt x)) (- x (* y y)))
  (* (- (sqrt x) y) (+ (pow y 3) (pow x 3/2)))
  (* (- (sqrt x) y) (- (* y y) x))
  (exp (+ y (sqrt x)))
  (log (+ y (sqrt x)))
  (exp (+ y (sqrt x)))
  (* (cbrt (+ y (sqrt x))) (cbrt (+ y (sqrt x))))
  (cbrt (+ y (sqrt x)))
  (pow (+ y (sqrt x)) 3)
  (sqrt (+ y (sqrt x)))
  (sqrt (+ y (sqrt x)))
  (+ (pow y 3) (pow x 3/2))
  (+ x (* y (- y (sqrt x))))
  (- (* y y) x)
  (- y (sqrt x))
  (+ y (sqrt x))
  (- x (* y y))
  (- x (* y y))
  (+ (* NAN NAN) (- (* (/ (pow NAN 4) x) -2) (* y y)))
  (+ y (* x (+ NAN (* x (pow NAN 3)))))
  (+ y (+ NAN (/ (pow NAN 3) x)))
  (+ y (- NAN (/ (pow NAN 3) x)))
0.205 * * * [progress]: adding candidates to table
0.255 * [progress]: [Phase 3 of 3] Extracting.
0.255 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.255 * * * [regime-changes]: Trying 4 branch expressions: ((* y y) (- x (* y y)) y x)
0.255 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.288 * * * * [regimes]: Trying to branch on (- x (* y y)) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.320 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.354 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.386 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.386 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.387 * * [simplify]: iteration  0 :  22  enodes  (cost  5 )
0.387 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.387 * [simplify]: Simplified to:
   (- x (* y y))
1.092 * [regime-testing]: End program error score: 0.006125765720715089