19.019 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (+ (* x x) (* (* x 2.0) y)) (* y y))
0.024 * * [simplify]: iteration  0 :  9  enodes  (cost  13 )
0.025 * * [simplify]: iteration  1 :  17  enodes  (cost  13 )
0.027 * * [simplify]: iteration  2 :  35  enodes  (cost  11 )
0.032 * * [simplify]: iteration  3 :  41  enodes  (cost  11 )
0.037 * * [simplify]: iteration  done :  41  enodes  (cost  11 )
0.037 * [simplify]: Simplified to:
   (+ (* y y) (* x (+ (* 2.0 y) x)))
0.040 * * [progress]: iteration 1 / 4
0.040 * * * [progress]: picking best candidate
0.041 * * * * [pick]: Picked  #<alt (λ (x y) (+ (+ (* x x) (* (* x 2.0) y)) (* y y)))>
0.041 * * * [progress]: localizing error
0.051 * * * [progress]: generating rewritten candidates
0.051 * * * * [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
0.055 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.055 * [taylor]: Taking taylor expansion of x in y
0.055 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
0.055 * [taylor]: Taking taylor expansion of 2.0 in y
0.055 * [taylor]: Taking taylor expansion of (* x y) in y
0.055 * [taylor]: Taking taylor expansion of x in y
0.055 * [taylor]: Taking taylor expansion of y in y
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 (+ (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
0.056 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.056 * [taylor]: Taking taylor expansion of 2.0 in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of 1 in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in (x y) around 0
0.064 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in y
0.064 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.064 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.065 * [taylor]: Taking taylor expansion of x in y
0.065 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.065 * [taylor]: Taking taylor expansion of 2.0 in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.065 * [taylor]: Taking taylor expansion of (* x y) in y
0.065 * [taylor]: Taking taylor expansion of x in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in x
0.065 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.065 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.066 * [taylor]: Taking taylor expansion of 2.0 in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.066 * [taylor]: Taking taylor expansion of (* x y) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.066 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.066 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.067 * [taylor]: Taking taylor expansion of 2.0 in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.067 * [taylor]: Taking taylor expansion of (* x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of 1 in y
0.068 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.068 * [taylor]: Taking taylor expansion of 2.0 in y
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.071 * [taylor]: Taking taylor expansion of 0 in y
0.074 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in (x y) around 0
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.079 * [taylor]: Taking taylor expansion of x in y
0.079 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.079 * [taylor]: Taking taylor expansion of 2.0 in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.079 * [taylor]: Taking taylor expansion of (* x y) in y
0.079 * [taylor]: Taking taylor expansion of x in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.080 * [taylor]: Taking taylor expansion of 2.0 in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.080 * [taylor]: Taking taylor expansion of (* x y) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 (* x y)))) in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x 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 in y
0.082 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.082 * [taylor]: Taking taylor expansion of 2.0 in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.092 * * * [progress]: simplifying candidates
0.093 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (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)))
0.094 * * [simplify]: iteration  0 :  33  enodes  (cost  208 )
0.101 * * [simplify]: iteration  1 :  107  enodes  (cost  201 )
0.144 * * [simplify]: iteration  2 :  468  enodes  (cost  145 )
0.368 * * [simplify]: iteration  3 :  1820  enodes  (cost  145 )
2.670 * * [simplify]: iteration  done :  5000  enodes  (cost  145 )
2.670 * [simplify]: Simplified to:
   (exp (* x (+ x (* 2.0 y))))
  (log (* x (+ x (* 2.0 y))))
  (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) (* y (* (* x 2.0) (* x (- (* 2.0 y) x)))))
  (* (* x (- x (* 2.0 y))) (* x (+ x (* 2.0 y))))
  (* x (- x (* 2.0 y)))
  (* x (+ x (* 2.0 y)))
  (* x (+ x (* 2.0 y)))
  (* x (+ x (* 2.0 y)))
2.670 * * * [progress]: adding candidates to table
2.700 * [progress]: [Phase 3 of 3] Extracting.
2.701 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (+ (* x x) (* (* x 2.0) y)) (* y y))
2.702 * * [simplify]: iteration  0 :  9  enodes  (cost  13 )
2.702 * * [simplify]: iteration  1 :  13  enodes  (cost  13 )
2.702 * * [simplify]: iteration  done :  13  enodes  (cost  13 )
2.702 * [simplify]: Simplified to:
   (+ (+ (* x x) (* (* x 2.0) y)) (* y y))
3.347 * [regime-testing]: End program error score: 0.01222088854883904
3.366 * [regime-testing]: Target error score: 0.01454429928777155