42.232 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (* x x) (* (* x 2.0) y)) (* y y))
0.036 * * [simplify]: iteration  0 :  37  enodes  (cost  11 )
0.036 * * [simplify]: iteration  1 :  37  enodes  (cost  11 )
0.036 * [simplify]: Simplified to:
   (+ (* x x) (* y (+ (* x 2.0) y)))
0.040 * * [progress]: iteration 1 / 4
0.040 * * * [progress]: picking best candidate
0.042 * * * * [pick]: Picked  #<alt (λ (x y) (+ (+ (* x x) (* (* x 2.0) y)) (* y y)))>
0.042 * * * [progress]: localizing error
0.050 * * * [progress]: generating rewritten candidates
0.050 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.054 * * * [progress]: generating series expansions
0.054 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.054 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 (* x y))) in (x y) around 0
0.054 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 (* x y))) in y
0.054 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.054 * [taylor]: Taking taylor expansion of x in y
0.054 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
0.054 * [taylor]: Taking taylor expansion of 2.0 in y
0.054 * [taylor]: Taking taylor expansion of (* x y) in y
0.054 * [taylor]: Taking taylor expansion of x in y
0.054 * [taylor]: Taking taylor expansion of y in y
0.054 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 (* x y))) in x
0.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in x
0.055 * [taylor]: Taking taylor expansion of 2.0 in x
0.055 * [taylor]: Taking taylor expansion of (* x y) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 (* x y))) in x
0.055 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in x
0.055 * [taylor]: Taking taylor expansion of 2.0 in x
0.055 * [taylor]: Taking taylor expansion of (* x y) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of 0 in y
0.055 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.055 * [taylor]: Taking taylor expansion of 2.0 in y
0.055 * [taylor]: Taking taylor expansion of y in y
0.055 * [taylor]: Taking taylor expansion of 1 in y
0.055 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in (x y) around 0
0.056 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.056 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.056 * [taylor]: Taking taylor expansion of x in y
0.056 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.056 * [taylor]: Taking taylor expansion of 2.0 in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.056 * [taylor]: Taking taylor expansion of (* x y) in y
0.056 * [taylor]: Taking taylor expansion of x in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.056 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.056 * [taylor]: Taking taylor expansion of 2.0 in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.056 * [taylor]: Taking taylor expansion of (* x y) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of y in x
0.056 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.056 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.056 * [taylor]: Taking taylor expansion of 2.0 in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.057 * [taylor]: Taking taylor expansion of (* x y) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of y in x
0.057 * [taylor]: Taking taylor expansion of 1 in y
0.057 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.057 * [taylor]: Taking taylor expansion of 2.0 in y
0.057 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.057 * [taylor]: Taking taylor expansion of y in y
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.058 * [taylor]: Taking taylor expansion of 0 in y
0.058 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in (x y) around 0
0.058 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.058 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.058 * [taylor]: Taking taylor expansion of 2.0 in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.058 * [taylor]: Taking taylor expansion of (* x y) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.058 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.059 * [taylor]: Taking taylor expansion of 2.0 in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.059 * [taylor]: Taking taylor expansion of (* x y) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.059 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.059 * [taylor]: Taking taylor expansion of 2.0 in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.059 * [taylor]: Taking taylor expansion of (* x y) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of 1 in y
0.059 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.059 * [taylor]: Taking taylor expansion of 2.0 in y
0.059 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.059 * [taylor]: Taking taylor expansion of y in y
0.059 * [taylor]: Taking taylor expansion of 0 in y
0.060 * [taylor]: Taking taylor expansion of 0 in y
0.060 * [taylor]: Taking taylor expansion of 0 in y
0.060 * * * [progress]: simplifying candidates
0.061 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x x)) (exp (* (* x 2.0) y)))
  (log (+ (* x x) (* (* x 2.0) y)))
  (exp (+ (* x x) (* (* x 2.0) y)))
  (* (cbrt (+ (* x x) (* (* x 2.0) y))) (cbrt (+ (* x x) (* (* x 2.0) y))))
  (cbrt (+ (* x x) (* (* x 2.0) y)))
  (* (* (+ (* x x) (* (* x 2.0) y)) (+ (* x x) (* (* x 2.0) y))) (+ (* x x) (* (* x 2.0) y)))
  (sqrt (+ (* x x) (* (* x 2.0) y)))
  (sqrt (+ (* x x) (* (* x 2.0) y)))
  (+ (pow (* x x) 3) (pow (* (* x 2.0) y) 3))
  (+ (* (* x x) (* x x)) (- (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x x) (* (* x 2.0) y))))
  (- (* (* x x) (* x x)) (* (* (* x 2.0) y) (* (* x 2.0) y)))
  (- (* x x) (* (* x 2.0) y))
  (+ (pow x 2) (* 2.0 (* x y)))
  (+ (pow x 2) (* 2.0 (* x y)))
  (+ (pow x 2) (* 2.0 (* x y)))
0.097 * * [simplify]: iteration  0 :  5495  enodes  (cost  145 )
0.098 * [simplify]: Simplified to:
   (pow (exp x) (+ x (* 2.0 y)))
  (log (* x (+ x (* 2.0 y))))
  (pow (exp x) (+ x (* 2.0 y)))
  (* (cbrt (* x (+ x (* 2.0 y)))) (cbrt (* x (+ x (* 2.0 y)))))
  (cbrt (* x (+ x (* 2.0 y))))
  (pow (* x (+ x (* 2.0 y))) 3)
  (sqrt (* x (+ x (* 2.0 y))))
  (sqrt (* x (+ x (* 2.0 y))))
  (+ (pow x 6) (pow (* x (* 2.0 y)) 3))
  (+ (pow x 4) (* x (* x (* (* 2.0 y) (- (* 2.0 y) x)))))
  (- (pow x 4) (* x (* 2.0 (* x (* y (* 2.0 y))))))
  (* x (- x (* 2.0 y)))
  (* x (+ x (* 2.0 y)))
  (* x (+ x (* 2.0 y)))
  (* x (+ x (* 2.0 y)))
0.098 * * * [progress]: adding candidates to table
0.117 * * [progress]: iteration 2 / 4
0.117 * * * [progress]: picking best candidate
0.119 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* x (+ x (* 2.0 y))) (* y y)))>
0.119 * * * [progress]: localizing error
0.126 * * * [progress]: generating rewritten candidates
0.126 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.133 * * * [progress]: generating series expansions
0.134 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.134 * [approximate]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in (x y) around 0
0.134 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.134 * [taylor]: Taking taylor expansion of 2.0 in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (* 2.0 y) in x
0.134 * [taylor]: Taking taylor expansion of 2.0 in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (* 2.0 y) in x
0.134 * [taylor]: Taking taylor expansion of 2.0 in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of 0 in y
0.134 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.134 * [taylor]: Taking taylor expansion of 2.0 in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of 1 in y
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [approximate]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in (x y) around 0
0.135 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in y
0.135 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in y
0.135 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.135 * [taylor]: Taking taylor expansion of 2.0 in y
0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.135 * [taylor]: Taking taylor expansion of y in y
0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.135 * [taylor]: Taking taylor expansion of x in y
0.135 * [taylor]: Taking taylor expansion of x in y
0.135 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.135 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.135 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.135 * [taylor]: Taking taylor expansion of 2.0 in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.136 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.136 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.136 * [taylor]: Taking taylor expansion of 2.0 in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of 1 in y
0.136 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.136 * [taylor]: Taking taylor expansion of 2.0 in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [approximate]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in (x y) around 0
0.137 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in y
0.137 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in y
0.137 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.137 * [taylor]: Taking taylor expansion of 2.0 in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.137 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.138 * [taylor]: Taking taylor expansion of 2.0 in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.138 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.138 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.138 * [taylor]: Taking taylor expansion of 2.0 in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of 1 in y
0.138 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.138 * [taylor]: Taking taylor expansion of 2.0 in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.138 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * * * [progress]: simplifying candidates
0.140 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (+ x (* 2.0 y)))
  (+ (log x) (log (+ x (* 2.0 y))))
  (log (* x (+ x (* 2.0 y))))
  (exp (* x (+ x (* 2.0 y))))
  (* (* (* x x) x) (* (* (+ x (* 2.0 y)) (+ x (* 2.0 y))) (+ x (* 2.0 y))))
  (* (cbrt (* x (+ x (* 2.0 y)))) (cbrt (* x (+ x (* 2.0 y)))))
  (cbrt (* x (+ x (* 2.0 y))))
  (* (* (* x (+ x (* 2.0 y))) (* x (+ x (* 2.0 y)))) (* x (+ x (* 2.0 y))))
  (sqrt (* x (+ x (* 2.0 y))))
  (sqrt (* x (+ x (* 2.0 y))))
  (* (sqrt x) (sqrt (+ x (* 2.0 y))))
  (* (sqrt x) (sqrt (+ x (* 2.0 y))))
  (* x x)
  (* x (* 2.0 y))
  (* x x)
  (* (* 2.0 y) x)
  (* x (* (cbrt (+ x (* 2.0 y))) (cbrt (+ x (* 2.0 y)))))
  (* x (sqrt (+ x (* 2.0 y))))
  (* x 1)
  (* (cbrt x) (+ x (* 2.0 y)))
  (* (sqrt x) (+ x (* 2.0 y)))
  (* x (+ x (* 2.0 y)))
  (* x (+ (pow x 3) (pow (* 2.0 y) 3)))
  (* x (- (* x x) (* (* 2.0 y) (* 2.0 y))))
  (+ (pow x 2) (* 2.0 (* x y)))
  (+ (pow x 2) (* 2.0 (* x y)))
  (+ (pow x 2) (* 2.0 (* x y)))
0.170 * * [simplify]: iteration  0 :  5065  enodes  (cost  216 )
0.171 * [simplify]: Simplified to:
   (* x (+ x (* 2.0 y)))
  (log (* x (+ x (* 2.0 y))))
  (log (* x (+ x (* 2.0 y))))
  (pow (exp x) (+ x (* 2.0 y)))
  (pow (* x (+ x (* 2.0 y))) 3)
  (* (cbrt (* x (+ x (* 2.0 y)))) (cbrt (* x (+ x (* 2.0 y)))))
  (cbrt (* x (+ x (* 2.0 y))))
  (pow (* x (+ x (* 2.0 y))) 3)
  (sqrt (* x (+ x (* 2.0 y))))
  (sqrt (* x (+ x (* 2.0 y))))
  (* (sqrt x) (sqrt (+ x (* 2.0 y))))
  (* (sqrt x) (sqrt (+ x (* 2.0 y))))
  (* x x)
  (* x (* 2.0 y))
  (* x x)
  (* x (* 2.0 y))
  (* x (* (cbrt (+ x (* 2.0 y))) (cbrt (+ x (* 2.0 y)))))
  (* x (sqrt (+ x (* 2.0 y))))
  x
  (* (+ x (* 2.0 y)) (cbrt x))
  (* (+ x (* 2.0 y)) (sqrt x))
  (* x (+ x (* 2.0 y)))
  (+ (pow x 4) (* x (pow (* 2.0 y) 3)))
  (- (pow x 3) (* x (* 2.0 (* 2.0 (* y y)))))
  (* x (+ x (* 2.0 y)))
  (* x (+ x (* 2.0 y)))
  (* x (+ x (* 2.0 y)))
0.172 * * * [progress]: adding candidates to table
0.195 * [progress]: [Phase 3 of 3] Extracting.
0.195 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (+ (* x x) (* (* x 2.0) y)) (* y y)))> #<alt (λ (x y) (+ (* x (+ x (* 2.0 y))) (* y y)))>)
0.196 * * * [regime-changes]: Trying 3 branch expressions: ((+ (+ (* x x) (* (* x 2.0) y)) (* y y)) y x)
0.196 * * * * [regimes]: Trying to branch on (+ (+ (* x x) (* (* x 2.0) y)) (* y y)) from (#<alt (λ (x y) (+ (+ (* x x) (* (* x 2.0) y)) (* y y)))> #<alt (λ (x y) (+ (* x (+ x (* 2.0 y))) (* y y)))>)
0.230 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (+ (* x x) (* (* x 2.0) y)) (* y y)))> #<alt (λ (x y) (+ (* x (+ x (* 2.0 y))) (* y y)))>)
0.260 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (+ (* x x) (* (* x 2.0) y)) (* y y)))> #<alt (λ (x y) (+ (* x (+ x (* 2.0 y))) (* y y)))>)
0.292 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.292 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (* x x) (* (* x 2.0) y)) (* y y))
0.293 * * [simplify]: iteration  0 :  13  enodes  (cost  13 )
0.293 * * [simplify]: iteration  1 :  13  enodes  (cost  13 )
0.293 * [simplify]: Simplified to:
   (+ (+ (* x x) (* (* x 2.0) y)) (* y y))
1.348 * [regime-testing]: End program error score: 0.01607512970380312
1.414 * [regime-testing]: Target error score: 0.01556342706542439