15.782 * [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 2.0) (* x x)) (* y y))
0.025 * * [simplify]: iteration  0 :  8  enodes  (cost  11 )
0.026 * * [simplify]: iteration  1 :  15  enodes  (cost  9 )
0.028 * * [simplify]: iteration  2 :  23  enodes  (cost  9 )
0.035 * * [simplify]: iteration  3 :  25  enodes  (cost  9 )
0.038 * * [simplify]: iteration  done :  25  enodes  (cost  9 )
0.038 * [simplify]: Simplified to:
   (+ (* y y) (* x (+ 2.0 x)))
0.040 * * [progress]: iteration 1 / 4
0.040 * * * [progress]: picking best candidate
0.043 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* y y) (* x (+ 2.0 x))))>
0.043 * * * [progress]: localizing error
0.049 * * * [progress]: generating rewritten candidates
0.049 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.059 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.064 * * * [progress]: generating series expansions
0.064 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.064 * [approximate]: Taking taylor expansion of (* (+ x 2.0) x) in (x) around 0
0.064 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
0.064 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of 2.0 in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
0.064 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of 2.0 in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.075 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) 2.0) x) in (x) around 0
0.075 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 2.0) x) in x
0.075 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 2.0) in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of 2.0 in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 2.0) x) in x
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 2.0) in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of 2.0 in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.087 * [approximate]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in (x) around 0
0.087 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
0.087 * [taylor]: Taking taylor expansion of -1 in x
0.087 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
0.087 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
0.087 * [taylor]: Taking taylor expansion of 2.0 in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
0.089 * [taylor]: Taking taylor expansion of -1 in x
0.089 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
0.089 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
0.089 * [taylor]: Taking taylor expansion of 2.0 in x
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.110 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.110 * [approximate]: Taking taylor expansion of (+ (pow x 2) (+ (* 2.0 x) (pow y 2))) in (y x) around 0
0.110 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 2.0 x) (pow y 2))) in x
0.110 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow y 2)) in x
0.110 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
0.110 * [taylor]: Taking taylor expansion of 2.0 in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 2.0 x) (pow y 2))) in y
0.110 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow y 2)) in y
0.110 * [taylor]: Taking taylor expansion of (* 2.0 x) in y
0.110 * [taylor]: Taking taylor expansion of 2.0 in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 2.0 x) (pow y 2))) in y
0.110 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow y 2)) in y
0.110 * [taylor]: Taking taylor expansion of (* 2.0 x) in y
0.110 * [taylor]: Taking taylor expansion of 2.0 in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.111 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
0.111 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
0.111 * [taylor]: Taking taylor expansion of 2.0 in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of 0 in x
0.121 * [taylor]: Taking taylor expansion of 1 in x
0.122 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x)))) in (y x) around 0
0.123 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x)))) in x
0.123 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.123 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x))) in x
0.123 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.123 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.123 * [taylor]: Taking taylor expansion of y in x
0.123 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.124 * [taylor]: Taking taylor expansion of 2.0 in x
0.124 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.124 * [taylor]: Taking taylor expansion of x in x
0.124 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x)))) in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.124 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.124 * [taylor]: Taking taylor expansion of x in y
0.124 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x))) in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.124 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.125 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
0.125 * [taylor]: Taking taylor expansion of 2.0 in y
0.125 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x)))) in y
0.125 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.125 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x))) in y
0.125 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.125 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.125 * [taylor]: Taking taylor expansion of y in y
0.126 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
0.126 * [taylor]: Taking taylor expansion of 2.0 in y
0.126 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.126 * [taylor]: Taking taylor expansion of x in y
0.126 * [taylor]: Taking taylor expansion of 1 in x
0.128 * [taylor]: Taking taylor expansion of 0 in x
0.129 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.129 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.130 * [taylor]: Taking taylor expansion of 2.0 in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.133 * [taylor]: Taking taylor expansion of 0 in x
0.135 * [approximate]: Taking taylor expansion of (- (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (* 2.0 (/ 1 x))) in (y x) around 0
0.135 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (* 2.0 (/ 1 x))) in x
0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.136 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.136 * [taylor]: Taking taylor expansion of 2.0 in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (* 2.0 (/ 1 x))) in y
0.136 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.136 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.136 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
0.137 * [taylor]: Taking taylor expansion of 2.0 in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (* 2.0 (/ 1 x))) in y
0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.137 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
0.138 * [taylor]: Taking taylor expansion of 2.0 in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.138 * [taylor]: Taking taylor expansion of x in y
0.139 * [taylor]: Taking taylor expansion of 1 in x
0.140 * [taylor]: Taking taylor expansion of 0 in x
0.141 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.142 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.142 * [taylor]: Taking taylor expansion of 2.0 in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of 0 in x
0.148 * * * [progress]: simplifying candidates
0.149 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (+ 2.0 x))
  (+ (log x) (log (+ 2.0 x)))
  (log (* x (+ 2.0 x)))
  (exp (* x (+ 2.0 x)))
  (* (* (* x x) x) (* (* (+ 2.0 x) (+ 2.0 x)) (+ 2.0 x)))
  (* (cbrt (* x (+ 2.0 x))) (cbrt (* x (+ 2.0 x))))
  (cbrt (* x (+ 2.0 x)))
  (* (* (* x (+ 2.0 x)) (* x (+ 2.0 x))) (* x (+ 2.0 x)))
  (sqrt (* x (+ 2.0 x)))
  (sqrt (* x (+ 2.0 x)))
  (* (sqrt x) (sqrt (+ 2.0 x)))
  (* (sqrt x) (sqrt (+ 2.0 x)))
  (* x 2.0)
  (* x x)
  (* 2.0 x)
  (* x x)
  (* x (* (cbrt (+ 2.0 x)) (cbrt (+ 2.0 x))))
  (* x (sqrt (+ 2.0 x)))
  (* x 1)
  (* x 1)
  (* (cbrt x) (+ 2.0 x))
  (* (sqrt x) (+ 2.0 x))
  (* x (+ 2.0 x))
  (* x (+ (pow 2.0 3) (pow x 3)))
  (* x (- (* 2.0 2.0) (* x x)))
  (* (exp (* y y)) (exp (* x (+ 2.0 x))))
  (log (+ (* y y) (* x (+ 2.0 x))))
  (exp (+ (* y y) (* x (+ 2.0 x))))
  (* (cbrt (+ (* y y) (* x (+ 2.0 x)))) (cbrt (+ (* y y) (* x (+ 2.0 x)))))
  (cbrt (+ (* y y) (* x (+ 2.0 x))))
  (* (* (+ (* y y) (* x (+ 2.0 x))) (+ (* y y) (* x (+ 2.0 x)))) (+ (* y y) (* x (+ 2.0 x))))
  (sqrt (+ (* y y) (* x (+ 2.0 x))))
  (sqrt (+ (* y y) (* x (+ 2.0 x))))
  (+ (pow (* y y) 3) (pow (* x (+ 2.0 x)) 3))
  (+ (* (* y y) (* y y)) (- (* (* x (+ 2.0 x)) (* x (+ 2.0 x))) (* (* y y) (* x (+ 2.0 x)))))
  (- (* (* y y) (* y y)) (* (* x (+ 2.0 x)) (* x (+ 2.0 x))))
  (- (* y y) (* x (+ 2.0 x)))
  (+ (* y y) (* x 2.0))
  (+ (* y y) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (+ (* 2.0 x) (pow y 2)))
  (+ (pow x 2) (+ (* 2.0 x) (pow y 2)))
  (+ (pow x 2) (+ (* 2.0 x) (pow y 2)))
0.152 * * [simplify]: iteration  0 :  70  enodes  (cost  422 )
0.170 * * [simplify]: iteration  1 :  203  enodes  (cost  386 )
0.224 * * [simplify]: iteration  2 :  675  enodes  (cost  350 )
0.598 * * [simplify]: iteration  3 :  2724  enodes  (cost  350 )
1.910 * * [simplify]: iteration  done :  5000  enodes  (cost  350 )
1.911 * [simplify]: Simplified to:
   (* x (+ 2.0 x))
  (log (* x (+ 2.0 x)))
  (log (* x (+ 2.0 x)))
  (exp (* x (+ 2.0 x)))
  (pow (* x (+ 2.0 x)) 3)
  (* (cbrt (* x (+ 2.0 x))) (cbrt (* x (+ 2.0 x))))
  (cbrt (* x (+ 2.0 x)))
  (pow (* x (+ 2.0 x)) 3)
  (sqrt (* x (+ 2.0 x)))
  (sqrt (* x (+ 2.0 x)))
  (* (sqrt x) (sqrt (+ 2.0 x)))
  (* (sqrt x) (sqrt (+ 2.0 x)))
  (* 2.0 x)
  (* x x)
  (* 2.0 x)
  (* x x)
  (* x (* (cbrt (+ 2.0 x)) (cbrt (+ 2.0 x))))
  (* x (sqrt (+ 2.0 x)))
  x
  x
  (* (cbrt x) (+ 2.0 x))
  (* (sqrt x) (+ 2.0 x))
  (* x (+ 2.0 x))
  (* x (+ (pow 2.0 3) (pow x 3)))
  (* x (- (* 2.0 2.0) (* x x)))
  (exp (+ (* y y) (* x (+ 2.0 x))))
  (log (+ (* y y) (* x (+ 2.0 x))))
  (exp (+ (* y y) (* x (+ 2.0 x))))
  (* (cbrt (+ (* y y) (* x (+ 2.0 x)))) (cbrt (+ (* y y) (* x (+ 2.0 x)))))
  (cbrt (+ (* y y) (* x (+ 2.0 x))))
  (pow (+ (* y y) (* x (+ 2.0 x))) 3)
  (sqrt (+ (* y y) (* x (+ 2.0 x))))
  (sqrt (+ (* y y) (* x (+ 2.0 x))))
  (+ (pow y 6) (pow (* x (+ 2.0 x)) 3))
  (+ (pow y 4) (* (* x (+ 2.0 x)) (- (* x (+ 2.0 x)) (* y y))))
  (- (pow y 4) (* (* x (+ 2.0 x)) (* x (+ 2.0 x))))
  (- (* y y) (* x (+ 2.0 x)))
  (+ (* y y) (* x 2.0))
  (+ (* y y) (* x 2.0))
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
  (+ (* y y) (* x (+ 2.0 x)))
  (+ (* y y) (* x (+ 2.0 x)))
  (+ (* y y) (* x (+ 2.0 x)))
1.911 * * * [progress]: adding candidates to table
1.981 * * [progress]: iteration 2 / 4
1.981 * * * [progress]: picking best candidate
1.982 * * * * [pick]: Picked  #<alt (λ (x y) (+ (+ (* x 2.0) (* x x)) (* y y)))>
1.982 * * * [progress]: localizing error
1.989 * * * [progress]: generating rewritten candidates
1.990 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
2.001 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
2.004 * * * [progress]: generating series expansions
2.004 * * * * [progress]: [ 1 / 2 ] generating series at (2)
2.004 * [approximate]: Taking taylor expansion of (+ (pow x 2) (+ (* 2.0 x) (pow y 2))) in (x y) around 0
2.004 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 2.0 x) (pow y 2))) in y
2.004 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.004 * [taylor]: Taking taylor expansion of x in y
2.004 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow y 2)) in y
2.004 * [taylor]: Taking taylor expansion of (* 2.0 x) in y
2.004 * [taylor]: Taking taylor expansion of 2.0 in y
2.004 * [taylor]: Taking taylor expansion of x in y
2.004 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.004 * [taylor]: Taking taylor expansion of y in y
2.004 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 2.0 x) (pow y 2))) in x
2.004 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.004 * [taylor]: Taking taylor expansion of x in x
2.004 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow y 2)) in x
2.004 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
2.004 * [taylor]: Taking taylor expansion of 2.0 in x
2.004 * [taylor]: Taking taylor expansion of x in x
2.004 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.004 * [taylor]: Taking taylor expansion of y in x
2.004 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 2.0 x) (pow y 2))) in x
2.004 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.005 * [taylor]: Taking taylor expansion of x in x
2.005 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow y 2)) in x
2.005 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
2.005 * [taylor]: Taking taylor expansion of 2.0 in x
2.005 * [taylor]: Taking taylor expansion of x in x
2.005 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.005 * [taylor]: Taking taylor expansion of y in x
2.005 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.005 * [taylor]: Taking taylor expansion of y in y
2.007 * [taylor]: Taking taylor expansion of 2.0 in y
2.009 * [taylor]: Taking taylor expansion of 1 in y
2.010 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x)))) in (x y) around 0
2.010 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x)))) in y
2.010 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.010 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.010 * [taylor]: Taking taylor expansion of x in y
2.010 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x))) in y
2.010 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.010 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.010 * [taylor]: Taking taylor expansion of y in y
2.011 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
2.011 * [taylor]: Taking taylor expansion of 2.0 in y
2.011 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.011 * [taylor]: Taking taylor expansion of x in y
2.011 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x)))) in x
2.011 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.011 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.011 * [taylor]: Taking taylor expansion of x in x
2.011 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x))) in x
2.011 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.011 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.011 * [taylor]: Taking taylor expansion of y in x
2.011 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.011 * [taylor]: Taking taylor expansion of 2.0 in x
2.012 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.012 * [taylor]: Taking taylor expansion of x in x
2.012 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x)))) in x
2.012 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.012 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.012 * [taylor]: Taking taylor expansion of x in x
2.012 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 x))) in x
2.012 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.012 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.012 * [taylor]: Taking taylor expansion of y in x
2.013 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.013 * [taylor]: Taking taylor expansion of 2.0 in x
2.013 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.013 * [taylor]: Taking taylor expansion of x in x
2.013 * [taylor]: Taking taylor expansion of 1 in y
2.015 * [taylor]: Taking taylor expansion of 2.0 in y
2.017 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.017 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.017 * [taylor]: Taking taylor expansion of y in y
2.021 * [taylor]: Taking taylor expansion of 0 in y
2.023 * [approximate]: Taking taylor expansion of (- (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (* 2.0 (/ 1 x))) in (x y) around 0
2.023 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (* 2.0 (/ 1 x))) in y
2.023 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
2.023 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.023 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.023 * [taylor]: Taking taylor expansion of x in y
2.023 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.023 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.023 * [taylor]: Taking taylor expansion of y in y
2.023 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in y
2.024 * [taylor]: Taking taylor expansion of 2.0 in y
2.024 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.024 * [taylor]: Taking taylor expansion of x in y
2.024 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (* 2.0 (/ 1 x))) in x
2.024 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.024 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.024 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.024 * [taylor]: Taking taylor expansion of x in x
2.024 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.024 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.024 * [taylor]: Taking taylor expansion of y in x
2.024 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.024 * [taylor]: Taking taylor expansion of 2.0 in x
2.025 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.025 * [taylor]: Taking taylor expansion of x in x
2.025 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (* 2.0 (/ 1 x))) in x
2.025 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.025 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.025 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.025 * [taylor]: Taking taylor expansion of x in x
2.025 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.025 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.025 * [taylor]: Taking taylor expansion of y in x
2.026 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.026 * [taylor]: Taking taylor expansion of 2.0 in x
2.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.026 * [taylor]: Taking taylor expansion of x in x
2.027 * [taylor]: Taking taylor expansion of 1 in y
2.031 * [taylor]: Taking taylor expansion of (- 2.0) in y
2.031 * [taylor]: Taking taylor expansion of 2.0 in y
2.034 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.034 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.034 * [taylor]: Taking taylor expansion of y in y
2.038 * [taylor]: Taking taylor expansion of 0 in y
2.040 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
2.040 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in (x) around 0
2.040 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
2.040 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.040 * [taylor]: Taking taylor expansion of x in x
2.040 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
2.040 * [taylor]: Taking taylor expansion of 2.0 in x
2.040 * [taylor]: Taking taylor expansion of x in x
2.040 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
2.040 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.040 * [taylor]: Taking taylor expansion of x in x
2.040 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
2.040 * [taylor]: Taking taylor expansion of 2.0 in x
2.040 * [taylor]: Taking taylor expansion of x in x
2.054 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
2.054 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
2.054 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.054 * [taylor]: Taking taylor expansion of x in x
2.055 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.055 * [taylor]: Taking taylor expansion of 2.0 in x
2.055 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.055 * [taylor]: Taking taylor expansion of x in x
2.055 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
2.055 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.055 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.055 * [taylor]: Taking taylor expansion of x in x
2.056 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.056 * [taylor]: Taking taylor expansion of 2.0 in x
2.056 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.056 * [taylor]: Taking taylor expansion of x in x
2.074 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
2.075 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
2.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.075 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.075 * [taylor]: Taking taylor expansion of x in x
2.075 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.075 * [taylor]: Taking taylor expansion of 2.0 in x
2.075 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.075 * [taylor]: Taking taylor expansion of x in x
2.076 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
2.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.076 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.076 * [taylor]: Taking taylor expansion of x in x
2.076 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.076 * [taylor]: Taking taylor expansion of 2.0 in x
2.076 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.076 * [taylor]: Taking taylor expansion of x in x
2.097 * * * [progress]: simplifying candidates
2.097 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (* (exp (* x 2.0)) (exp (* x x))) (exp (* y y)))
  (* (exp (+ (* x 2.0) (* x x))) (exp (* y y)))
  (log (+ (+ (* x 2.0) (* x x)) (* y y)))
  (exp (+ (+ (* x 2.0) (* x x)) (* y y)))
  (* (cbrt (+ (+ (* x 2.0) (* x x)) (* y y))) (cbrt (+ (+ (* x 2.0) (* x x)) (* y y))))
  (cbrt (+ (+ (* x 2.0) (* x x)) (* y y)))
  (* (* (+ (+ (* x 2.0) (* x x)) (* y y)) (+ (+ (* x 2.0) (* x x)) (* y y))) (+ (+ (* x 2.0) (* x x)) (* y y)))
  (sqrt (+ (+ (* x 2.0) (* x x)) (* y y)))
  (sqrt (+ (+ (* x 2.0) (* x x)) (* y y)))
  (+ (pow (+ (* x 2.0) (* x x)) 3) (pow (* y y) 3))
  (+ (* (+ (* x 2.0) (* x x)) (+ (* x 2.0) (* x x))) (- (* (* y y) (* y y)) (* (+ (* x 2.0) (* x x)) (* y y))))
  (- (* (+ (* x 2.0) (* x x)) (+ (* x 2.0) (* x x))) (* (* y y) (* y y)))
  (- (+ (* x 2.0) (* x x)) (* y y))
  (+ (* x x) (* y y))
  (* (exp (* x 2.0)) (exp (* x x)))
  (log (+ (* x 2.0) (* x x)))
  (exp (+ (* x 2.0) (* x x)))
  (* (cbrt (+ (* x 2.0) (* x x))) (cbrt (+ (* x 2.0) (* x x))))
  (cbrt (+ (* x 2.0) (* x x)))
  (* (* (+ (* x 2.0) (* x x)) (+ (* x 2.0) (* x x))) (+ (* x 2.0) (* x x)))
  (sqrt (+ (* x 2.0) (* x x)))
  (sqrt (+ (* x 2.0) (* x x)))
  (+ (pow (* x 2.0) 3) (pow (* x x) 3))
  (+ (* (* x 2.0) (* x 2.0)) (- (* (* x x) (* x x)) (* (* x 2.0) (* x x))))
  (- (* (* x 2.0) (* x 2.0)) (* (* x x) (* x x)))
  (- (* x 2.0) (* x x))
  (+ 2.0 x)
  (+ (pow x 2) (+ (* 2.0 x) (pow y 2)))
  (+ (pow x 2) (+ (* 2.0 x) (pow y 2)))
  (+ (pow x 2) (+ (* 2.0 x) (pow y 2)))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
2.099 * * [simplify]: iteration  0 :  57  enodes  (cost  440 )
2.115 * * [simplify]: iteration  1 :  182  enodes  (cost  340 )
2.194 * * [simplify]: iteration  2 :  703  enodes  (cost  308 )
2.444 * * [simplify]: iteration  3 :  2266  enodes  (cost  302 )
3.253 * * [simplify]: iteration  done :  5001  enodes  (cost  302 )
3.253 * [simplify]: Simplified to:
   (exp (+ (pow y 2) (* x (+ 2.0 x))))
  (exp (+ (pow y 2) (* x (+ 2.0 x))))
  (log (+ (pow y 2) (* x (+ 2.0 x))))
  (exp (+ (pow y 2) (* x (+ 2.0 x))))
  (* (cbrt (+ (pow y 2) (* x (+ 2.0 x)))) (cbrt (+ (pow y 2) (* x (+ 2.0 x)))))
  (cbrt (+ (pow y 2) (* x (+ 2.0 x))))
  (pow (+ (pow y 2) (* x (+ 2.0 x))) 3)
  (sqrt (+ (pow y 2) (* x (+ 2.0 x))))
  (sqrt (+ (pow y 2) (* x (+ 2.0 x))))
  (+ (pow y 6) (pow (* x (+ 2.0 x)) 3))
  (- (pow y 4) (* (* x (+ 2.0 x)) (- (* y y) (* x (+ 2.0 x)))))
  (- (* (* x (+ 2.0 x)) (* x (+ 2.0 x))) (pow y 4))
  (- (* x (+ 2.0 x)) (* y y))
  (+ (* x x) (* y y))
  (exp (* x (+ 2.0 x)))
  (log (* x (+ 2.0 x)))
  (exp (* x (+ 2.0 x)))
  (* (cbrt (* x (+ 2.0 x))) (cbrt (* x (+ 2.0 x))))
  (cbrt (* x (+ 2.0 x)))
  (pow (* x (+ 2.0 x)) 3)
  (sqrt (* x (+ 2.0 x)))
  (sqrt (* x (+ 2.0 x)))
  (+ (pow (* x 2.0) 3) (pow x 6))
  (* (* x x) (+ (* 2.0 2.0) (* x (- x 2.0))))
  (* (* x (+ 2.0 x)) (* x (- 2.0 x)))
  (* x (- 2.0 x))
  (+ 2.0 x)
  (+ (pow y 2) (* x (+ 2.0 x)))
  (+ (pow y 2) (* x (+ 2.0 x)))
  (+ (pow y 2) (* x (+ 2.0 x)))
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
3.253 * * * [progress]: adding candidates to table
3.315 * [progress]: [Phase 3 of 3] Extracting.
3.315 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (* y y) (* x (+ 2.0 x))))> #<alt (λ (x y) (+ (+ (* x 2.0) (* x x)) (* y y)))>)
3.315 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (+ (* x 2.0) (* x x)) (+ (+ (* x 2.0) (* x x)) (* y y)) y x)
3.315 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (+ (* y y) (* x (+ 2.0 x))))> #<alt (λ (x y) (+ (+ (* x 2.0) (* x x)) (* y y)))>)
3.326 * * * * [regimes]: Trying to branch on (+ (* x 2.0) (* x x)) from (#<alt (λ (x y) (+ (* y y) (* x (+ 2.0 x))))> #<alt (λ (x y) (+ (+ (* x 2.0) (* x x)) (* y y)))>)
3.338 * * * * [regimes]: Trying to branch on (+ (+ (* x 2.0) (* x x)) (* y y)) from (#<alt (λ (x y) (+ (* y y) (* x (+ 2.0 x))))> #<alt (λ (x y) (+ (+ (* x 2.0) (* x x)) (* y y)))>)
3.352 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (* y y) (* x (+ 2.0 x))))> #<alt (λ (x y) (+ (+ (* x 2.0) (* x x)) (* y y)))>)
3.363 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (* y y) (* x (+ 2.0 x))))> #<alt (λ (x y) (+ (+ (* x 2.0) (* x x)) (* y y)))>)
3.374 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
3.375 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* y y) (* x (+ 2.0 x)))
3.375 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
3.375 * * [simplify]: iteration  1 :  10  enodes  (cost  9 )
3.375 * * [simplify]: iteration  done :  10  enodes  (cost  9 )
3.376 * [simplify]: Simplified to:
   (+ (* y y) (* x (+ 2.0 x)))
4.003 * [regime-testing]: Baseline error score: 0.011876484560570071
4.004 * [regime-testing]: Oracle error score: 0.004375546943367921
4.005 * [regime-testing]: End program error score: 0.011876484560570071
4.022 * [regime-testing]: Target error score: 0.010751343917989748