18.826 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.034 * [progress]: [Phase 2 of 3] Improving.
0.034 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (+ (* x x) (* (* x 2.0) y)) (* y y))
0.035 * * [simplify]: iteration  0 :  9  enodes  (cost  13 )
0.036 * * [simplify]: iteration  1 :  17  enodes  (cost  13 )
0.039 * * [simplify]: iteration  2 :  35  enodes  (cost  11 )
0.044 * * [simplify]: iteration  3 :  42  enodes  (cost  11 )
0.049 * * [simplify]: iteration  done :  42  enodes  (cost  11 )
0.049 * [simplify]: Simplified to:
   (+ (* y y) (* x (+ (* 2.0 y) x)))
0.052 * * [progress]: iteration 1 / 4
0.052 * * * [progress]: picking best candidate
0.056 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* y y) (* x (+ (* 2.0 y) x))))>
0.057 * * * [progress]: localizing error
0.064 * * * [progress]: generating rewritten candidates
0.064 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.072 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.079 * * * [progress]: generating series expansions
0.079 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.079 * [approximate]: Taking taylor expansion of (+ (* 2.0 (* x y)) (+ (pow x 2) (pow y 2))) in (y x) around 0
0.079 * [taylor]: Taking taylor expansion of (+ (* 2.0 (* x y)) (+ (pow x 2) (pow y 2))) in x
0.079 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in x
0.079 * [taylor]: Taking taylor expansion of 2.0 in x
0.079 * [taylor]: Taking taylor expansion of (* x y) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of (+ (* 2.0 (* x y)) (+ (pow x 2) (pow y 2))) in y
0.080 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
0.080 * [taylor]: Taking taylor expansion of 2.0 in y
0.080 * [taylor]: Taking taylor expansion of (* x y) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of (+ (* 2.0 (* x y)) (+ (pow x 2) (pow y 2))) in y
0.080 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
0.080 * [taylor]: Taking taylor expansion of 2.0 in y
0.080 * [taylor]: Taking taylor expansion of (* x y) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
0.080 * [taylor]: Taking taylor expansion of 2.0 in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of 1 in x
0.081 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in (y x) around 0
0.081 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.081 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.081 * [taylor]: Taking taylor expansion of 2.0 in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.081 * [taylor]: Taking taylor expansion of (* x y) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.082 * [taylor]: Taking taylor expansion of x in y
0.082 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.082 * [taylor]: Taking taylor expansion of 2.0 in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.082 * [taylor]: Taking taylor expansion of (* x y) in y
0.082 * [taylor]: Taking taylor expansion of x in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.082 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.082 * [taylor]: Taking taylor expansion of x in y
0.082 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.082 * [taylor]: Taking taylor expansion of 2.0 in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.082 * [taylor]: Taking taylor expansion of (* x y) in y
0.082 * [taylor]: Taking taylor expansion of x in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of 1 in x
0.082 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.082 * [taylor]: Taking taylor expansion of 2.0 in x
0.083 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.083 * [taylor]: Taking taylor expansion of x 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 * [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
0.084 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.084 * [taylor]: Taking taylor expansion of x in y
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.084 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.084 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.084 * [taylor]: Taking taylor expansion of 2.0 in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.084 * [taylor]: Taking taylor expansion of (* x y) in y
0.084 * [taylor]: Taking taylor expansion of x in y
0.084 * [taylor]: Taking taylor expansion of y in y
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
0.084 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.084 * [taylor]: Taking taylor expansion of x in y
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.084 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.084 * [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
0.085 * [taylor]: Taking taylor expansion of 1 in x
0.085 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.085 * [taylor]: Taking taylor expansion of 2.0 in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.085 * [taylor]: Taking taylor expansion of x 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
0.086 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.086 * [approximate]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in (x y) around 0
0.086 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in y
0.086 * [taylor]: Taking taylor expansion of x in y
0.086 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in y
0.086 * [taylor]: Taking taylor expansion of x in y
0.086 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.086 * [taylor]: Taking taylor expansion of 2.0 in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.086 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of (* 2.0 y) in x
0.086 * [taylor]: Taking taylor expansion of 2.0 in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of (* 2.0 y) in x
0.086 * [taylor]: Taking taylor expansion of 2.0 in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.086 * [taylor]: Taking taylor expansion of 2.0 in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.086 * [taylor]: Taking taylor expansion of 1 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) (* 2.0 (/ 1 y))) x) in (x y) around 0
0.087 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (* 2.0 (/ 1 y))) x) in y
0.087 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 2.0 (/ 1 y))) in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.087 * [taylor]: Taking taylor expansion of x in y
0.087 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.087 * [taylor]: Taking taylor expansion of 2.0 in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [taylor]: Taking taylor expansion of x in y
0.087 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (* 2.0 (/ 1 y))) x) in x
0.087 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 2.0 (/ 1 y))) in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.088 * [taylor]: Taking taylor expansion of 2.0 in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (* 2.0 (/ 1 y))) x) in x
0.088 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 2.0 (/ 1 y))) in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.088 * [taylor]: Taking taylor expansion of 2.0 in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of 1 in y
0.088 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.088 * [taylor]: Taking taylor expansion of 2.0 in y
0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) (* 2.0 (/ 1 y))) x) in (x y) around 0
0.089 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (* 2.0 (/ 1 y))) x) in y
0.089 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 2.0 (/ 1 y))) in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.090 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.090 * [taylor]: Taking taylor expansion of 2.0 in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.090 * [taylor]: Taking taylor expansion of x in y
0.090 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (* 2.0 (/ 1 y))) x) in x
0.090 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 2.0 (/ 1 y))) in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.090 * [taylor]: Taking taylor expansion of 2.0 in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.090 * [taylor]: Taking taylor expansion of y in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (* 2.0 (/ 1 y))) x) in x
0.090 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 2.0 (/ 1 y))) in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.090 * [taylor]: Taking taylor expansion of 2.0 in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.090 * [taylor]: Taking taylor expansion of y in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of 1 in y
0.090 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.090 * [taylor]: Taking taylor expansion of 2.0 in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.091 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [taylor]: Taking taylor expansion of 0 in y
0.092 * * * [progress]: simplifying candidates
0.092 * [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)))
  (+ (* 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) (pow y 2)))
  (+ (* 2.0 (* x y)) (pow x 2))
  (+ (* 2.0 (* x y)) (pow x 2))
  (+ (* 2.0 (* x y)) (pow x 2))
0.094 * * [simplify]: iteration  0 :  73  enodes  (cost  527 )
0.106 * * [simplify]: iteration  1 :  228  enodes  (cost  487 )
0.159 * * [simplify]: iteration  2 :  862  enodes  (cost  439 )
0.376 * * [simplify]: iteration  3 :  3135  enodes  (cost  439 )
1.053 * * [simplify]: iteration  done :  5000  enodes  (cost  439 )
1.054 * [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 (+ (pow y 2) (* x (+ (* 2.0 y) x))) 3)
  (sqrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (sqrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (+ (pow y 6) (pow (* (+ (* 2.0 y) x) x) 3))
  (+ (pow y 4) (* (* (+ (* 2.0 y) x) x) (- (* (+ (* 2.0 y) x) 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)))
  (* (+ (* 2.0 y) x) x)
  (log (* (+ (* 2.0 y) x) x))
  (log (* (+ (* 2.0 y) x) x))
  (exp (* x (+ (* 2.0 y) x)))
  (pow (* (+ (* 2.0 y) x) x) 3)
  (* (cbrt (* x (+ (* 2.0 y) x))) (cbrt (* x (+ (* 2.0 y) x))))
  (cbrt (* x (+ (* 2.0 y) x)))
  (pow (* (+ (* 2.0 y) x) 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))
  (* (+ (* 2.0 y) x) x)
  (* x (+ (pow (* 2.0 y) 3) (pow x 3)))
  (* x (- (* (* 2.0 y) (* 2.0 y)) (* x x)))
  (+ (pow y 2) (* x (+ (* 2.0 y) x)))
  (+ (pow y 2) (* x (+ (* 2.0 y) x)))
  (+ (pow y 2) (* x (+ (* 2.0 y) x)))
  (* (+ (* 2.0 y) x) x)
  (* (+ (* 2.0 y) x) x)
  (* (+ (* 2.0 y) x) x)
1.054 * * * [progress]: adding candidates to table
1.102 * * [progress]: iteration 2 / 4
1.102 * * * [progress]: picking best candidate
1.104 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* y (+ y (* 2.0 x))) (* x x)))>
1.104 * * * [progress]: localizing error
1.111 * * * [progress]: generating rewritten candidates
1.111 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
1.116 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
1.123 * * * [progress]: generating series expansions
1.123 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
1.123 * [approximate]: Taking taylor expansion of (* (+ (* 2.0 x) y) y) in (y x) around 0
1.123 * [taylor]: Taking taylor expansion of (* (+ (* 2.0 x) y) y) in x
1.123 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) y) in x
1.123 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
1.123 * [taylor]: Taking taylor expansion of 2.0 in x
1.123 * [taylor]: Taking taylor expansion of x in x
1.123 * [taylor]: Taking taylor expansion of y in x
1.123 * [taylor]: Taking taylor expansion of y in x
1.123 * [taylor]: Taking taylor expansion of (* (+ (* 2.0 x) y) y) in y
1.123 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) y) in y
1.123 * [taylor]: Taking taylor expansion of (* 2.0 x) in y
1.123 * [taylor]: Taking taylor expansion of 2.0 in y
1.123 * [taylor]: Taking taylor expansion of x in y
1.123 * [taylor]: Taking taylor expansion of y in y
1.123 * [taylor]: Taking taylor expansion of y in y
1.123 * [taylor]: Taking taylor expansion of (* (+ (* 2.0 x) y) y) in y
1.124 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) y) in y
1.124 * [taylor]: Taking taylor expansion of (* 2.0 x) in y
1.124 * [taylor]: Taking taylor expansion of 2.0 in y
1.124 * [taylor]: Taking taylor expansion of x in y
1.124 * [taylor]: Taking taylor expansion of y in y
1.124 * [taylor]: Taking taylor expansion of y in y
1.124 * [taylor]: Taking taylor expansion of 0 in x
1.124 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
1.124 * [taylor]: Taking taylor expansion of 2.0 in x
1.124 * [taylor]: Taking taylor expansion of x in x
1.124 * [taylor]: Taking taylor expansion of 1 in x
1.124 * [taylor]: Taking taylor expansion of 0 in x
1.124 * [taylor]: Taking taylor expansion of 0 in x
1.125 * [approximate]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 x)) (/ 1 y)) y) in (y x) around 0
1.125 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 x)) (/ 1 y)) y) in x
1.125 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 x)) (/ 1 y)) in x
1.125 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.125 * [taylor]: Taking taylor expansion of 2.0 in x
1.125 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.125 * [taylor]: Taking taylor expansion of x in x
1.125 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.125 * [taylor]: Taking taylor expansion of y in x
1.125 * [taylor]: Taking taylor expansion of y in x
1.125 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 x)) (/ 1 y)) y) in y
1.125 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 x)) (/ 1 y)) in y
1.125 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
1.125 * [taylor]: Taking taylor expansion of 2.0 in y
1.125 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.125 * [taylor]: Taking taylor expansion of x in y
1.125 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.125 * [taylor]: Taking taylor expansion of y in y
1.125 * [taylor]: Taking taylor expansion of y in y
1.125 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 x)) (/ 1 y)) y) in y
1.125 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 x)) (/ 1 y)) in y
1.125 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
1.125 * [taylor]: Taking taylor expansion of 2.0 in y
1.125 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.125 * [taylor]: Taking taylor expansion of x in y
1.125 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.125 * [taylor]: Taking taylor expansion of y in y
1.125 * [taylor]: Taking taylor expansion of y in y
1.125 * [taylor]: Taking taylor expansion of 1 in x
1.126 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.126 * [taylor]: Taking taylor expansion of 2.0 in x
1.126 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.126 * [taylor]: Taking taylor expansion of x in x
1.126 * [taylor]: Taking taylor expansion of 0 in x
1.126 * [taylor]: Taking taylor expansion of 0 in x
1.127 * [taylor]: Taking taylor expansion of 0 in x
1.127 * [approximate]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 x)) (/ 1 y)) y) in (y x) around 0
1.127 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 x)) (/ 1 y)) y) in x
1.127 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 x)) (/ 1 y)) in x
1.127 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.127 * [taylor]: Taking taylor expansion of 2.0 in x
1.127 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.127 * [taylor]: Taking taylor expansion of x in x
1.127 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.127 * [taylor]: Taking taylor expansion of y in x
1.127 * [taylor]: Taking taylor expansion of y in x
1.127 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 x)) (/ 1 y)) y) in y
1.127 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 x)) (/ 1 y)) in y
1.127 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
1.127 * [taylor]: Taking taylor expansion of 2.0 in y
1.127 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.127 * [taylor]: Taking taylor expansion of x in y
1.128 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.128 * [taylor]: Taking taylor expansion of y in y
1.128 * [taylor]: Taking taylor expansion of y in y
1.128 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 x)) (/ 1 y)) y) in y
1.128 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 x)) (/ 1 y)) in y
1.128 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
1.128 * [taylor]: Taking taylor expansion of 2.0 in y
1.128 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.128 * [taylor]: Taking taylor expansion of x in y
1.128 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.128 * [taylor]: Taking taylor expansion of y in y
1.128 * [taylor]: Taking taylor expansion of y in y
1.128 * [taylor]: Taking taylor expansion of 1 in x
1.128 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.128 * [taylor]: Taking taylor expansion of 2.0 in x
1.128 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.128 * [taylor]: Taking taylor expansion of x in x
1.128 * [taylor]: Taking taylor expansion of 0 in x
1.129 * [taylor]: Taking taylor expansion of 0 in x
1.129 * [taylor]: Taking taylor expansion of 0 in x
1.130 * * * * [progress]: [ 2 / 2 ] generating series at (2)
1.130 * [approximate]: Taking taylor expansion of (+ (* 2.0 (* x y)) (+ (pow x 2) (pow y 2))) in (y x) around 0
1.130 * [taylor]: Taking taylor expansion of (+ (* 2.0 (* x y)) (+ (pow x 2) (pow y 2))) in x
1.130 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in x
1.130 * [taylor]: Taking taylor expansion of 2.0 in x
1.130 * [taylor]: Taking taylor expansion of (* x y) in x
1.130 * [taylor]: Taking taylor expansion of x in x
1.130 * [taylor]: Taking taylor expansion of y in x
1.130 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
1.130 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.130 * [taylor]: Taking taylor expansion of x in x
1.130 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.130 * [taylor]: Taking taylor expansion of y in x
1.130 * [taylor]: Taking taylor expansion of (+ (* 2.0 (* x y)) (+ (pow x 2) (pow y 2))) in y
1.130 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
1.130 * [taylor]: Taking taylor expansion of 2.0 in y
1.130 * [taylor]: Taking taylor expansion of (* x y) in y
1.130 * [taylor]: Taking taylor expansion of x in y
1.130 * [taylor]: Taking taylor expansion of y in y
1.130 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
1.130 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.130 * [taylor]: Taking taylor expansion of x in y
1.130 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.130 * [taylor]: Taking taylor expansion of y in y
1.130 * [taylor]: Taking taylor expansion of (+ (* 2.0 (* x y)) (+ (pow x 2) (pow y 2))) in y
1.130 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
1.130 * [taylor]: Taking taylor expansion of 2.0 in y
1.130 * [taylor]: Taking taylor expansion of (* x y) in y
1.130 * [taylor]: Taking taylor expansion of x in y
1.130 * [taylor]: Taking taylor expansion of y in y
1.130 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
1.130 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.130 * [taylor]: Taking taylor expansion of x in y
1.130 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.130 * [taylor]: Taking taylor expansion of y in y
1.131 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.131 * [taylor]: Taking taylor expansion of x in x
1.131 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
1.131 * [taylor]: Taking taylor expansion of 2.0 in x
1.131 * [taylor]: Taking taylor expansion of x in x
1.131 * [taylor]: Taking taylor expansion of 1 in x
1.132 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in (y x) around 0
1.132 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in x
1.132 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.132 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.132 * [taylor]: Taking taylor expansion of x in x
1.132 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in x
1.132 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.132 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.132 * [taylor]: Taking taylor expansion of y in x
1.132 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
1.132 * [taylor]: Taking taylor expansion of 2.0 in x
1.132 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.132 * [taylor]: Taking taylor expansion of (* x y) in x
1.132 * [taylor]: Taking taylor expansion of x in x
1.132 * [taylor]: Taking taylor expansion of y in x
1.132 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
1.132 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.132 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.132 * [taylor]: Taking taylor expansion of x in y
1.132 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
1.132 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.132 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.132 * [taylor]: Taking taylor expansion of y in y
1.132 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
1.132 * [taylor]: Taking taylor expansion of 2.0 in y
1.132 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
1.132 * [taylor]: Taking taylor expansion of (* x y) in y
1.132 * [taylor]: Taking taylor expansion of x in y
1.132 * [taylor]: Taking taylor expansion of y in y
1.133 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
1.133 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.133 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.133 * [taylor]: Taking taylor expansion of x in y
1.133 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
1.133 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.133 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.133 * [taylor]: Taking taylor expansion of y in y
1.133 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
1.133 * [taylor]: Taking taylor expansion of 2.0 in y
1.133 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
1.133 * [taylor]: Taking taylor expansion of (* x y) in y
1.133 * [taylor]: Taking taylor expansion of x in y
1.133 * [taylor]: Taking taylor expansion of y in y
1.133 * [taylor]: Taking taylor expansion of 1 in x
1.133 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.133 * [taylor]: Taking taylor expansion of 2.0 in x
1.133 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.133 * [taylor]: Taking taylor expansion of x in x
1.134 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.134 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.134 * [taylor]: Taking taylor expansion of x in x
1.134 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in (y x) around 0
1.134 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in x
1.134 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.134 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.134 * [taylor]: Taking taylor expansion of x in x
1.134 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in x
1.134 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.134 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.134 * [taylor]: Taking taylor expansion of y in x
1.134 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
1.134 * [taylor]: Taking taylor expansion of 2.0 in x
1.135 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.135 * [taylor]: Taking taylor expansion of (* x y) in x
1.135 * [taylor]: Taking taylor expansion of x in x
1.135 * [taylor]: Taking taylor expansion of y in x
1.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
1.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.135 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.135 * [taylor]: Taking taylor expansion of x in y
1.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
1.135 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.135 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.135 * [taylor]: Taking taylor expansion of y in y
1.135 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
1.135 * [taylor]: Taking taylor expansion of 2.0 in y
1.135 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
1.135 * [taylor]: Taking taylor expansion of (* x y) in y
1.135 * [taylor]: Taking taylor expansion of x in y
1.135 * [taylor]: Taking taylor expansion of y in y
1.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
1.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.135 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.135 * [taylor]: Taking taylor expansion of x in y
1.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
1.135 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.135 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.135 * [taylor]: Taking taylor expansion of y in y
1.135 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
1.135 * [taylor]: Taking taylor expansion of 2.0 in y
1.135 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
1.135 * [taylor]: Taking taylor expansion of (* x y) in y
1.135 * [taylor]: Taking taylor expansion of x in y
1.135 * [taylor]: Taking taylor expansion of y in y
1.136 * [taylor]: Taking taylor expansion of 1 in x
1.136 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
1.136 * [taylor]: Taking taylor expansion of 2.0 in x
1.136 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.136 * [taylor]: Taking taylor expansion of x in x
1.136 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.136 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.136 * [taylor]: Taking taylor expansion of x in x
1.136 * * * [progress]: simplifying candidates
1.137 * [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))))
  (* (exp (* y (+ y (* 2.0 x)))) (exp (* x x)))
  (log (+ (* y (+ y (* 2.0 x))) (* x x)))
  (exp (+ (* y (+ y (* 2.0 x))) (* x x)))
  (* (cbrt (+ (* y (+ y (* 2.0 x))) (* x x))) (cbrt (+ (* y (+ y (* 2.0 x))) (* x x))))
  (cbrt (+ (* y (+ y (* 2.0 x))) (* x x)))
  (* (* (+ (* y (+ y (* 2.0 x))) (* x x)) (+ (* y (+ y (* 2.0 x))) (* x x))) (+ (* y (+ y (* 2.0 x))) (* x x)))
  (sqrt (+ (* y (+ y (* 2.0 x))) (* x x)))
  (sqrt (+ (* y (+ y (* 2.0 x))) (* x x)))
  (+ (pow (* y (+ y (* 2.0 x))) 3) (pow (* x x) 3))
  (+ (* (* y (+ y (* 2.0 x))) (* y (+ y (* 2.0 x)))) (- (* (* x x) (* x x)) (* (* y (+ y (* 2.0 x))) (* x x))))
  (- (* (* y (+ y (* 2.0 x))) (* y (+ y (* 2.0 x)))) (* (* x x) (* x x)))
  (- (* y (+ y (* 2.0 x))) (* x x))
  (+ (* y (* 2.0 x)) (* x x))
  (+ (* (* 2.0 x) y) (* x x))
  (+ (* 2.0 (* x y)) (pow y 2))
  (+ (* 2.0 (* x y)) (pow y 2))
  (+ (* 2.0 (* x y)) (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) (pow y 2)))
1.139 * * [simplify]: iteration  0 :  73  enodes  (cost  527 )
1.152 * * [simplify]: iteration  1 :  226  enodes  (cost  497 )
1.204 * * [simplify]: iteration  2 :  815  enodes  (cost  447 )
1.405 * * [simplify]: iteration  3 :  2851  enodes  (cost  439 )
2.028 * * [simplify]: iteration  done :  5000  enodes  (cost  439 )
2.028 * [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))))
  (exp (+ (* y (+ y (* 2.0 x))) (* x x)))
  (log (+ (* y (+ y (* 2.0 x))) (* x x)))
  (exp (+ (* y (+ y (* 2.0 x))) (* x x)))
  (* (cbrt (+ (* y (+ y (* 2.0 x))) (* x x))) (cbrt (+ (* y (+ y (* 2.0 x))) (* x x))))
  (cbrt (+ (* y (+ y (* 2.0 x))) (* x x)))
  (pow (+ (* x x) (* y (+ y (* 2.0 x)))) 3)
  (sqrt (+ (* y (+ y (* 2.0 x))) (* x x)))
  (sqrt (+ (* y (+ y (* 2.0 x))) (* x x)))
  (+ (pow (* y (+ y (* 2.0 x))) 3) (pow x 6))
  (- (pow x 4) (* (* y (+ y (* 2.0 x))) (- (* x x) (* y (+ y (* 2.0 x))))))
  (- (* (* y (+ y (* 2.0 x))) (* y (+ y (* 2.0 x)))) (pow x 4))
  (- (* y (+ y (* 2.0 x))) (* x x))
  (* x (+ x (* y 2.0)))
  (* x (+ x (* y 2.0)))
  (* y (+ y (* 2.0 x)))
  (* y (+ y (* 2.0 x)))
  (* y (+ y (* 2.0 x)))
  (+ (* x x) (* y (+ y (* 2.0 x))))
  (+ (* x x) (* y (+ y (* 2.0 x))))
  (+ (* x x) (* y (+ y (* 2.0 x))))
2.028 * * * [progress]: adding candidates to table
2.067 * [progress]: [Phase 3 of 3] Extracting.
2.068 * * [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))))>)
2.068 * * * [regime-changes]: Trying 2 branch expressions: (y x)
2.068 * * * * [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))))>)
2.101 * * * * [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))))>)
2.133 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
2.133 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* y (+ y (* 2.0 x))) (* x x))
2.133 * * [simplify]: iteration  0 :  8  enodes  (cost  11 )
2.134 * * [simplify]: iteration  1 :  12  enodes  (cost  11 )
2.134 * * [simplify]: iteration  done :  12  enodes  (cost  11 )
2.134 * [simplify]: Simplified to:
   (+ (* y (+ y (* 2.0 x))) (* x x))
3.367 * [regime-testing]: End program error score: 0.012070712500802145
3.435 * [regime-testing]: Target error score: 0.015276789554558239