19.851 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (+ (* x x) (* (* x 2.0) y)) (* y y))
0.025 * * [simplify]: iteration  0 :  9  enodes  (cost  13 )
0.026 * * [simplify]: iteration  1 :  17  enodes  (cost  13 )
0.028 * * [simplify]: iteration  2 :  35  enodes  (cost  11 )
0.036 * * [simplify]: iteration  3 :  41  enodes  (cost  11 )
0.042 * * [simplify]: iteration  done :  41  enodes  (cost  11 )
0.042 * [simplify]: Simplified to:
   (+ (* y y) (* x (+ (* 2.0 y) x)))
0.044 * * [progress]: iteration 1 / 4
0.044 * * * [progress]: picking best candidate
0.046 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* y y) (* x (+ (* 2.0 y) x))))>
0.046 * * * [progress]: localizing error
0.053 * * * [progress]: generating rewritten candidates
0.053 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.056 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.068 * * * [progress]: generating series expansions
0.068 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.068 * [approximate]: Taking taylor expansion of (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y)))) in (y x) around 0
0.068 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y)))) in x
0.068 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (+ (pow y 2) (* 2.0 (* x y))) in x
0.068 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in x
0.068 * [taylor]: Taking taylor expansion of 2.0 in x
0.068 * [taylor]: Taking taylor expansion of (* x y) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y)))) in y
0.068 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.068 * [taylor]: Taking taylor expansion of x in y
0.068 * [taylor]: Taking taylor expansion of (+ (pow y 2) (* 2.0 (* x y))) in y
0.068 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
0.069 * [taylor]: Taking taylor expansion of 2.0 in y
0.069 * [taylor]: Taking taylor expansion of (* x y) in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.069 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y)))) in y
0.069 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.069 * [taylor]: Taking taylor expansion of (+ (pow y 2) (* 2.0 (* x y))) in y
0.069 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.069 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
0.069 * [taylor]: Taking taylor expansion of 2.0 in y
0.069 * [taylor]: Taking taylor expansion of (* x y) in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.070 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
0.071 * [taylor]: Taking taylor expansion of 2.0 in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of 1 in x
0.074 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in (y x) around 0
0.074 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.075 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.075 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.075 * [taylor]: Taking taylor expansion of y in x
0.075 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.075 * [taylor]: Taking taylor expansion of 2.0 in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.075 * [taylor]: Taking taylor expansion of (* x y) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of y in x
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.076 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.076 * [taylor]: Taking taylor expansion of 2.0 in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.076 * [taylor]: Taking taylor expansion of (* x y) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.077 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.077 * [taylor]: Taking taylor expansion of x in y
0.077 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.077 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.078 * [taylor]: Taking taylor expansion of 2.0 in y
0.078 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.078 * [taylor]: Taking taylor expansion of (* x y) in y
0.078 * [taylor]: Taking taylor expansion of x in y
0.078 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of 1 in x
0.079 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.079 * [taylor]: Taking taylor expansion of 2.0 in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.079 * [taylor]: Taking taylor expansion of x 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
0.083 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in (y x) around 0
0.083 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) 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
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.084 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.084 * [taylor]: Taking taylor expansion of 2.0 in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.084 * [taylor]: Taking taylor expansion of (* x y) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.085 * [taylor]: Taking taylor expansion of x in y
0.085 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.085 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.085 * [taylor]: Taking taylor expansion of 2.0 in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.085 * [taylor]: Taking taylor expansion of (* x y) in y
0.085 * [taylor]: Taking taylor expansion of x in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.086 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.086 * [taylor]: Taking taylor expansion of x in y
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.086 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.086 * [taylor]: Taking taylor expansion of 2.0 in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.086 * [taylor]: Taking taylor expansion of (* x y) in y
0.086 * [taylor]: Taking taylor expansion of x in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.087 * [taylor]: Taking taylor expansion of 1 in x
0.088 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.088 * [taylor]: Taking taylor expansion of 2.0 in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.091 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.092 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.092 * [approximate]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in (x y) around 0
0.092 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in y
0.092 * [taylor]: Taking taylor expansion of x in y
0.092 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in y
0.092 * [taylor]: Taking taylor expansion of x in y
0.092 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.092 * [taylor]: Taking taylor expansion of 2.0 in y
0.092 * [taylor]: Taking taylor expansion of y in y
0.092 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (* 2.0 y) in x
0.093 * [taylor]: Taking taylor expansion of 2.0 in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of (* 2.0 y) in x
0.093 * [taylor]: Taking taylor expansion of 2.0 in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [taylor]: Taking taylor expansion of 0 in y
0.094 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.094 * [taylor]: Taking taylor expansion of 2.0 in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.095 * [taylor]: Taking taylor expansion of 1 in y
0.098 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [approximate]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in (x y) around 0
0.101 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in y
0.101 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in y
0.101 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.101 * [taylor]: Taking taylor expansion of 2.0 in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.102 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.102 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.102 * [taylor]: Taking taylor expansion of 2.0 in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.103 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.103 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.103 * [taylor]: Taking taylor expansion of 2.0 in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of 1 in y
0.105 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.105 * [taylor]: Taking taylor expansion of 2.0 in y
0.105 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.105 * [taylor]: Taking taylor expansion of y in y
0.108 * [taylor]: Taking taylor expansion of 0 in y
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.120 * [taylor]: Taking taylor expansion of 0 in y
0.120 * [approximate]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in (x y) around 0
0.120 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in y
0.120 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in y
0.120 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.120 * [taylor]: Taking taylor expansion of 2.0 in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.120 * [taylor]: Taking taylor expansion of y in y
0.121 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.121 * [taylor]: Taking taylor expansion of x in y
0.121 * [taylor]: Taking taylor expansion of x in y
0.121 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.121 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.121 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.121 * [taylor]: Taking taylor expansion of 2.0 in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.121 * [taylor]: Taking taylor expansion of y in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.121 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.122 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.122 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.122 * [taylor]: Taking taylor expansion of 2.0 in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.122 * [taylor]: Taking taylor expansion of y in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of 1 in y
0.124 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.124 * [taylor]: Taking taylor expansion of 2.0 in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.126 * [taylor]: Taking taylor expansion of 0 in y
0.130 * [taylor]: Taking taylor expansion of 0 in y
0.134 * [taylor]: Taking taylor expansion of 0 in y
0.135 * * * [progress]: simplifying candidates
0.135 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (* y y)) (exp (* x (+ (* 2.0 y) x))))
  (log (+ (* y y) (* x (+ (* 2.0 y) x))))
  (exp (+ (* y y) (* x (+ (* 2.0 y) x))))
  (* (cbrt (+ (* y y) (* x (+ (* 2.0 y) x)))) (cbrt (+ (* y y) (* x (+ (* 2.0 y) x)))))
  (cbrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (* (* (+ (* y y) (* x (+ (* 2.0 y) x))) (+ (* y y) (* x (+ (* 2.0 y) x)))) (+ (* y y) (* x (+ (* 2.0 y) x))))
  (sqrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (sqrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (+ (pow (* y y) 3) (pow (* x (+ (* 2.0 y) x)) 3))
  (+ (* (* y y) (* y y)) (- (* (* x (+ (* 2.0 y) x)) (* x (+ (* 2.0 y) x))) (* (* y y) (* x (+ (* 2.0 y) x)))))
  (- (* (* y y) (* y y)) (* (* x (+ (* 2.0 y) x)) (* x (+ (* 2.0 y) x))))
  (- (* y y) (* x (+ (* 2.0 y) x)))
  (+ (* y y) (* x (* 2.0 y)))
  (+ (* y y) (* (* 2.0 y) x))
  (* x (+ (* 2.0 y) x))
  (+ (log x) (log (+ (* 2.0 y) x)))
  (log (* x (+ (* 2.0 y) x)))
  (exp (* x (+ (* 2.0 y) x)))
  (* (* (* x x) x) (* (* (+ (* 2.0 y) x) (+ (* 2.0 y) x)) (+ (* 2.0 y) x)))
  (* (cbrt (* x (+ (* 2.0 y) x))) (cbrt (* x (+ (* 2.0 y) x))))
  (cbrt (* x (+ (* 2.0 y) x)))
  (* (* (* x (+ (* 2.0 y) x)) (* x (+ (* 2.0 y) x))) (* x (+ (* 2.0 y) x)))
  (sqrt (* x (+ (* 2.0 y) x)))
  (sqrt (* x (+ (* 2.0 y) x)))
  (* (sqrt x) (sqrt (+ (* 2.0 y) x)))
  (* (sqrt x) (sqrt (+ (* 2.0 y) x)))
  (* x (* 2.0 y))
  (* x x)
  (* (* 2.0 y) x)
  (* x x)
  (* x (* (cbrt (+ (* 2.0 y) x)) (cbrt (+ (* 2.0 y) x))))
  (* x (sqrt (+ (* 2.0 y) x)))
  (* x 1)
  (* (cbrt x) (+ (* 2.0 y) x))
  (* (sqrt x) (+ (* 2.0 y) x))
  (* x (+ (* 2.0 y) x))
  (* x (+ (pow (* 2.0 y) 3) (pow x 3)))
  (* x (- (* (* 2.0 y) (* 2.0 y)) (* x x)))
  (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y))))
  (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y))))
  (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y))))
  (+ (pow x 2) (* 2.0 (* x y)))
  (+ (pow x 2) (* 2.0 (* x y)))
  (+ (pow x 2) (* 2.0 (* x y)))
0.138 * * [simplify]: iteration  0 :  73  enodes  (cost  527 )
0.158 * * [simplify]: iteration  1 :  222  enodes  (cost  493 )
0.211 * * [simplify]: iteration  2 :  742  enodes  (cost  439 )
0.542 * * [simplify]: iteration  3 :  3096  enodes  (cost  439 )
1.678 * * [simplify]: iteration  done :  5000  enodes  (cost  439 )
1.679 * [simplify]: Simplified to:
   (exp (+ (* y y) (* x (+ (* 2.0 y) x))))
  (log (+ (* y y) (* x (+ (* 2.0 y) x))))
  (exp (+ (* y y) (* x (+ (* 2.0 y) x))))
  (* (cbrt (+ (* y y) (* x (+ (* 2.0 y) x)))) (cbrt (+ (* y y) (* x (+ (* 2.0 y) x)))))
  (cbrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (pow (+ (* y y) (* x (+ (* 2.0 y) x))) 3)
  (sqrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (sqrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (+ (pow (* x (+ (* 2.0 y) x)) 3) (pow y 6))
  (+ (pow y 4) (* (* x (+ (* 2.0 y) x)) (- (* x (+ (* 2.0 y) x)) (* y y))))
  (- (pow y 4) (* (* x (+ (* 2.0 y) x)) (* x (+ (* 2.0 y) x))))
  (- (* y y) (* x (+ (* 2.0 y) x)))
  (* y (+ y (* 2.0 x)))
  (* y (+ y (* 2.0 x)))
  (* x (+ (* 2.0 y) x))
  (log (* x (+ (* 2.0 y) x)))
  (log (* x (+ (* 2.0 y) x)))
  (exp (* x (+ (* 2.0 y) x)))
  (pow (* x (+ (* 2.0 y) x)) 3)
  (* (cbrt (* x (+ (* 2.0 y) x))) (cbrt (* x (+ (* 2.0 y) x))))
  (cbrt (* x (+ (* 2.0 y) x)))
  (pow (* x (+ (* 2.0 y) x)) 3)
  (sqrt (* x (+ (* 2.0 y) x)))
  (sqrt (* x (+ (* 2.0 y) x)))
  (* (sqrt x) (sqrt (+ (* 2.0 y) x)))
  (* (sqrt x) (sqrt (+ (* 2.0 y) x)))
  (* 2.0 (* x y))
  (pow x 2)
  (* 2.0 (* x y))
  (pow x 2)
  (* x (* (cbrt (+ (* 2.0 y) x)) (cbrt (+ (* 2.0 y) x))))
  (* x (sqrt (+ (* 2.0 y) x)))
  x
  (* (cbrt x) (+ (* 2.0 y) x))
  (* (sqrt x) (+ (* 2.0 y) x))
  (* x (+ (* 2.0 y) x))
  (* x (+ (pow (* 2.0 y) 3) (pow x 3)))
  (* x (- (* (* 2.0 y) (* 2.0 y)) (* x x)))
  (+ (* x (+ (* 2.0 y) x)) (* y y))
  (+ (* x (+ (* 2.0 y) x)) (* y y))
  (+ (* x (+ (* 2.0 y) x)) (* y y))
  (* x (+ (* 2.0 y) x))
  (* x (+ (* 2.0 y) x))
  (* x (+ (* 2.0 y) x))
1.679 * * * [progress]: adding candidates to table
1.748 * * [progress]: iteration 2 / 4
1.748 * * * [progress]: picking best candidate
1.749 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* y (+ y (* 2.0 x))) (* x x)))>
1.749 * * * [progress]: localizing error
1.756 * * * [progress]: generating rewritten candidates
1.756 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
1.765 * * * [progress]: generating series expansions
1.765 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
1.765 * [approximate]: Taking taylor expansion of (* (+ (* 2.0 x) y) y) in (y x) around 0
1.765 * [taylor]: Taking taylor expansion of (* (+ (* 2.0 x) y) y) in x
1.765 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) y) in x
1.765 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
1.765 * [taylor]: Taking taylor expansion of 2.0 in x
1.765 * [taylor]: Taking taylor expansion of x in x
1.765 * [taylor]: Taking taylor expansion of y in x
1.765 * [taylor]: Taking taylor expansion of y in x
1.765 * [taylor]: Taking taylor expansion of (* (+ (* 2.0 x) y) y) in y
1.765 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) y) in y
1.765 * [taylor]: Taking taylor expansion of (* 2.0 x) in y
1.765 * [taylor]: Taking taylor expansion of 2.0 in y
1.765 * [taylor]: Taking taylor expansion of x in y
1.765 * [taylor]: Taking taylor expansion of y in y
1.765 * [taylor]: Taking taylor expansion of y in y
1.765 * [taylor]: Taking taylor expansion of (* (+ (* 2.0 x) y) y) in y
1.765 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) y) in y
1.765 * [taylor]: Taking taylor expansion of (* 2.0 x) in y
1.765 * [taylor]: Taking taylor expansion of 2.0 in y
1.765 * [taylor]: Taking taylor expansion of x in y
1.765 * [taylor]: Taking taylor expansion of y in y
1.765 * [taylor]: Taking taylor expansion of y in y
1.765 * [taylor]: Taking taylor expansion of 0 in x
1.767 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
1.767 * [taylor]: Taking taylor expansion of 2.0 in x
1.767 * [taylor]: Taking taylor expansion of x in x
1.768 * [taylor]: Taking taylor expansion of 1 in x
1.771 * [taylor]: Taking taylor expansion of 0 in x
1.773 * [taylor]: Taking taylor expansion of 0 in x
1.773 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) (* 2.0 (/ 1 x))) y) in (y x) around 0
1.773 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (* 2.0 (/ 1 x))) y) in x
1.773 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2.0 (/ 1 x))) in x
1.773 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.773 * [taylor]: Taking taylor expansion of y in x
1.773 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.773 * [taylor]: Taking taylor expansion of 2.0 in x
1.773 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.773 * [taylor]: Taking taylor expansion of x in x
1.774 * [taylor]: Taking taylor expansion of y in x
1.774 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (* 2.0 (/ 1 x))) y) in y
1.774 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2.0 (/ 1 x))) in y
1.774 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.774 * [taylor]: Taking taylor expansion of y in y
1.775 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
1.775 * [taylor]: Taking taylor expansion of 2.0 in y
1.775 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.775 * [taylor]: Taking taylor expansion of x in y
1.775 * [taylor]: Taking taylor expansion of y in y
1.775 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (* 2.0 (/ 1 x))) y) in y
1.775 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2.0 (/ 1 x))) in y
1.775 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.775 * [taylor]: Taking taylor expansion of y in y
1.776 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
1.776 * [taylor]: Taking taylor expansion of 2.0 in y
1.776 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.776 * [taylor]: Taking taylor expansion of x in y
1.776 * [taylor]: Taking taylor expansion of y in y
1.776 * [taylor]: Taking taylor expansion of 1 in x
1.777 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.777 * [taylor]: Taking taylor expansion of 2.0 in x
1.777 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.777 * [taylor]: Taking taylor expansion of x in x
1.780 * [taylor]: Taking taylor expansion of 0 in x
1.783 * [taylor]: Taking taylor expansion of 0 in x
1.787 * [taylor]: Taking taylor expansion of 0 in x
1.788 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) (* 2.0 (/ 1 x))) y) in (y x) around 0
1.788 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (* 2.0 (/ 1 x))) y) in x
1.788 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2.0 (/ 1 x))) in x
1.788 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.788 * [taylor]: Taking taylor expansion of y in x
1.788 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.788 * [taylor]: Taking taylor expansion of 2.0 in x
1.788 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.788 * [taylor]: Taking taylor expansion of x in x
1.788 * [taylor]: Taking taylor expansion of y in x
1.789 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (* 2.0 (/ 1 x))) y) in y
1.789 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2.0 (/ 1 x))) in y
1.789 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.789 * [taylor]: Taking taylor expansion of y in y
1.789 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
1.789 * [taylor]: Taking taylor expansion of 2.0 in y
1.789 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.789 * [taylor]: Taking taylor expansion of x in y
1.789 * [taylor]: Taking taylor expansion of y in y
1.790 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (* 2.0 (/ 1 x))) y) in y
1.790 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2.0 (/ 1 x))) in y
1.790 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.790 * [taylor]: Taking taylor expansion of y in y
1.790 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
1.790 * [taylor]: Taking taylor expansion of 2.0 in y
1.790 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.790 * [taylor]: Taking taylor expansion of x in y
1.790 * [taylor]: Taking taylor expansion of y in y
1.791 * [taylor]: Taking taylor expansion of 1 in x
1.795 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.795 * [taylor]: Taking taylor expansion of 2.0 in x
1.795 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.795 * [taylor]: Taking taylor expansion of x in x
1.798 * [taylor]: Taking taylor expansion of 0 in x
1.801 * [taylor]: Taking taylor expansion of 0 in x
1.805 * [taylor]: Taking taylor expansion of 0 in x
1.806 * * * [progress]: simplifying candidates
1.806 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* y (+ y (* 2.0 x)))
  (+ (log y) (log (+ y (* 2.0 x))))
  (log (* y (+ y (* 2.0 x))))
  (exp (* y (+ y (* 2.0 x))))
  (* (* (* y y) y) (* (* (+ y (* 2.0 x)) (+ y (* 2.0 x))) (+ y (* 2.0 x))))
  (* (cbrt (* y (+ y (* 2.0 x)))) (cbrt (* y (+ y (* 2.0 x)))))
  (cbrt (* y (+ y (* 2.0 x))))
  (* (* (* y (+ y (* 2.0 x))) (* y (+ y (* 2.0 x)))) (* y (+ y (* 2.0 x))))
  (sqrt (* y (+ y (* 2.0 x))))
  (sqrt (* y (+ y (* 2.0 x))))
  (* (sqrt y) (sqrt (+ y (* 2.0 x))))
  (* (sqrt y) (sqrt (+ y (* 2.0 x))))
  (* y y)
  (* y (* 2.0 x))
  (* y y)
  (* (* 2.0 x) y)
  (* y (* (cbrt (+ y (* 2.0 x))) (cbrt (+ y (* 2.0 x)))))
  (* y (sqrt (+ y (* 2.0 x))))
  (* y 1)
  (* (cbrt y) (+ y (* 2.0 x)))
  (* (sqrt y) (+ y (* 2.0 x)))
  (* y (+ y (* 2.0 x)))
  (* y (+ (pow y 3) (pow (* 2.0 x) 3)))
  (* y (- (* y y) (* (* 2.0 x) (* 2.0 x))))
  (+ (pow y 2) (* 2.0 (* x y)))
  (+ (pow y 2) (* 2.0 (* x y)))
  (+ (pow y 2) (* 2.0 (* x y)))
1.808 * * [simplify]: iteration  0 :  48  enodes  (cost  253 )
1.820 * * [simplify]: iteration  1 :  141  enodes  (cost  242 )
1.848 * * [simplify]: iteration  2 :  432  enodes  (cost  216 )
1.994 * * [simplify]: iteration  3 :  1542  enodes  (cost  216 )
2.917 * * [simplify]: iteration  done :  5000  enodes  (cost  216 )
2.918 * [simplify]: Simplified to:
   (* y (+ y (* 2.0 x)))
  (log (* y (+ y (* 2.0 x))))
  (log (* y (+ y (* 2.0 x))))
  (exp (* y (+ y (* 2.0 x))))
  (pow (* y (+ y (* 2.0 x))) 3)
  (* (cbrt (* y (+ y (* 2.0 x)))) (cbrt (* y (+ y (* 2.0 x)))))
  (cbrt (* y (+ y (* 2.0 x))))
  (pow (* y (+ y (* 2.0 x))) 3)
  (sqrt (* y (+ y (* 2.0 x))))
  (sqrt (* y (+ y (* 2.0 x))))
  (* (sqrt y) (sqrt (+ y (* 2.0 x))))
  (* (sqrt y) (sqrt (+ y (* 2.0 x))))
  (pow y 2)
  (* (* 2.0 x) y)
  (pow y 2)
  (* (* 2.0 x) y)
  (* y (* (cbrt (+ y (* 2.0 x))) (cbrt (+ y (* 2.0 x)))))
  (* y (sqrt (+ y (* 2.0 x))))
  y
  (* (cbrt y) (+ y (* 2.0 x)))
  (* (sqrt y) (+ y (* 2.0 x)))
  (* y (+ y (* 2.0 x)))
  (* y (+ (pow y 3) (pow (* 2.0 x) 3)))
  (* y (- (* y y) (* (* 2.0 x) (* 2.0 x))))
  (* y (+ y (* 2.0 x)))
  (* y (+ y (* 2.0 x)))
  (* y (+ y (* 2.0 x)))
2.918 * * * [progress]: adding candidates to table
2.961 * [progress]: [Phase 3 of 3] Extracting.
2.961 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (* y (+ y (* 2.0 x))) (* x x)))> #<alt (λ (x y) (+ (* y y) (* x (+ (* 2.0 y) x))))>)
2.961 * * * [regime-changes]: Trying 2 branch expressions: (y x)
2.961 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (* y (+ y (* 2.0 x))) (* x x)))> #<alt (λ (x y) (+ (* y y) (* x (+ (* 2.0 y) x))))>)
2.972 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (* y (+ y (* 2.0 x))) (* x x)))> #<alt (λ (x y) (+ (* y y) (* x (+ (* 2.0 y) x))))>)
2.982 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
2.982 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* y (+ y (* 2.0 x))) (* x x))
2.983 * * [simplify]: iteration  0 :  8  enodes  (cost  11 )
2.983 * * [simplify]: iteration  1 :  12  enodes  (cost  11 )
2.983 * * [simplify]: iteration  done :  12  enodes  (cost  11 )
2.983 * [simplify]: Simplified to:
   (+ (* y (+ y (* 2.0 x))) (* x x))
3.648 * [regime-testing]: Baseline error score: 0.01509330154157083
3.649 * [regime-testing]: Oracle error score: 0.0059562265520408456
3.649 * [regime-testing]: End program error score: 0.01509330154157083
3.668 * [regime-testing]: Target error score: 0.015383578838093817