11.014 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 2.0 (+ (* x x) (* x y)))
0.018 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.019 * * [simplify]: iteration  1 :  18  enodes  (cost  7 )
0.022 * * [simplify]: iteration  2 :  34  enodes  (cost  7 )
0.027 * * [simplify]: iteration  3 :  45  enodes  (cost  7 )
0.034 * * [simplify]: iteration  4 :  47  enodes  (cost  7 )
0.040 * * [simplify]: iteration  done :  47  enodes  (cost  7 )
0.040 * [simplify]: Simplified to:
   (* (* x (+ x y)) 2.0)
0.044 * * [progress]: iteration 1 / 4
0.044 * * * [progress]: picking best candidate
0.047 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (+ x y)) 2.0))>
0.047 * * * [progress]: localizing error
0.051 * * * [progress]: generating rewritten candidates
0.052 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.061 * * * [progress]: generating series expansions
0.061 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.061 * [approximate]: Taking taylor expansion of (* x (+ x y)) in (x y) around 0
0.061 * [taylor]: Taking taylor expansion of (* x (+ x y)) in y
0.061 * [taylor]: Taking taylor expansion of x in y
0.061 * [taylor]: Taking taylor expansion of (+ x y) in y
0.061 * [taylor]: Taking taylor expansion of x in y
0.061 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (* x (+ x y)) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (+ x y) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (* x (+ x y)) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (+ x y) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of 0 in y
0.063 * [taylor]: Taking taylor expansion of y in y
0.063 * [taylor]: Taking taylor expansion of 1 in y
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in (x y) around 0
0.067 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in y
0.067 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in x
0.067 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in x
0.068 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.069 * [taylor]: Taking taylor expansion of x in x
0.069 * [taylor]: Taking taylor expansion of 1 in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in (x y) around 0
0.078 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in y
0.078 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.078 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.078 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.078 * [taylor]: Taking taylor expansion of x in y
0.078 * [taylor]: Taking taylor expansion of x in y
0.079 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in x
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in x
0.080 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of 1 in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * * * [progress]: simplifying candidates
0.090 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (+ x y))
  (+ (log x) (log (+ x y)))
  (log (* x (+ x y)))
  (exp (* x (+ x y)))
  (* (* (* x x) x) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (* x (+ x y))) (cbrt (* x (+ x y))))
  (cbrt (* x (+ x y)))
  (* (* (* x (+ x y)) (* x (+ x y))) (* x (+ x y)))
  (sqrt (* x (+ x y)))
  (sqrt (* x (+ x y)))
  (* (sqrt x) (sqrt (+ x y)))
  (* (sqrt x) (sqrt (+ x y)))
  (* x x)
  (* x y)
  (* x x)
  (* y x)
  (* x (* (cbrt (+ x y)) (cbrt (+ x y))))
  (* x (sqrt (+ x y)))
  (* x 1)
  (* x 1)
  (* (cbrt x) (+ x y))
  (* (sqrt x) (+ x y))
  (* x (+ x y))
  (* x (+ (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (+ (pow x 2) (* x y))
  (+ (pow x 2) (* x y))
  (+ (pow x 2) (* x y))
0.091 * * [simplify]: iteration  0 :  44  enodes  (cost  194 )
0.103 * * [simplify]: iteration  1 :  122  enodes  (cost  181 )
0.129 * * [simplify]: iteration  2 :  320  enodes  (cost  163 )
0.268 * * [simplify]: iteration  3 :  1003  enodes  (cost  163 )
1.930 * * [simplify]: iteration  4 :  3944  enodes  (cost  163 )
3.429 * * [simplify]: iteration  done :  5000  enodes  (cost  163 )
3.429 * [simplify]: Simplified to:
   (* (+ x y) x)
  (log (* x (+ x y)))
  (log (* x (+ x y)))
  (exp (* x (+ x y)))
  (pow (* x (+ x y)) 3)
  (* (cbrt (* x (+ x y))) (cbrt (* x (+ x y))))
  (cbrt (* x (+ x y)))
  (pow (* x (+ x y)) 3)
  (sqrt (* x (+ x y)))
  (sqrt (* x (+ x y)))
  (* (sqrt x) (sqrt (+ x y)))
  (* (sqrt x) (sqrt (+ x y)))
  (pow x 2)
  (* y x)
  (pow x 2)
  (* y x)
  (* x (* (cbrt (+ x y)) (cbrt (+ x y))))
  (* x (sqrt (+ x y)))
  x
  x
  (* (cbrt x) (+ x y))
  (* (sqrt x) (+ x y))
  (* (+ x y) x)
  (* x (+ (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (* (+ x y) x)
  (* (+ x y) x)
  (* (+ x y) x)
3.429 * * * [progress]: adding candidates to table
3.470 * * [progress]: iteration 2 / 4
3.470 * * * [progress]: picking best candidate
3.472 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ (pow x 2) (* y x)) 2.0))>
3.472 * * * [progress]: localizing error
3.479 * * * [progress]: generating rewritten candidates
3.479 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
3.485 * * * [progress]: generating series expansions
3.485 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
3.485 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* x y)) in (x y) around 0
3.485 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* x y)) in y
3.485 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.485 * [taylor]: Taking taylor expansion of x in y
3.485 * [taylor]: Taking taylor expansion of (* x y) in y
3.485 * [taylor]: Taking taylor expansion of x in y
3.485 * [taylor]: Taking taylor expansion of y in y
3.485 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* x y)) in x
3.485 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.485 * [taylor]: Taking taylor expansion of x in x
3.485 * [taylor]: Taking taylor expansion of (* x y) in x
3.485 * [taylor]: Taking taylor expansion of x in x
3.485 * [taylor]: Taking taylor expansion of y in x
3.485 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* x y)) in x
3.485 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.485 * [taylor]: Taking taylor expansion of x in x
3.485 * [taylor]: Taking taylor expansion of (* x y) in x
3.485 * [taylor]: Taking taylor expansion of x in x
3.485 * [taylor]: Taking taylor expansion of y in x
3.486 * [taylor]: Taking taylor expansion of 0 in y
3.486 * [taylor]: Taking taylor expansion of y in y
3.487 * [taylor]: Taking taylor expansion of 1 in y
3.489 * [taylor]: Taking taylor expansion of 0 in y
3.490 * [taylor]: Taking taylor expansion of 0 in y
3.491 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
3.491 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in y
3.491 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
3.491 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.491 * [taylor]: Taking taylor expansion of x in y
3.491 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
3.491 * [taylor]: Taking taylor expansion of (* x y) in y
3.491 * [taylor]: Taking taylor expansion of x in y
3.491 * [taylor]: Taking taylor expansion of y in y
3.491 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in x
3.491 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.491 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.491 * [taylor]: Taking taylor expansion of x in x
3.492 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.492 * [taylor]: Taking taylor expansion of (* x y) in x
3.492 * [taylor]: Taking taylor expansion of x in x
3.492 * [taylor]: Taking taylor expansion of y in x
3.492 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in x
3.492 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.492 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.492 * [taylor]: Taking taylor expansion of x in x
3.493 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.493 * [taylor]: Taking taylor expansion of (* x y) in x
3.493 * [taylor]: Taking taylor expansion of x in x
3.493 * [taylor]: Taking taylor expansion of y in x
3.493 * [taylor]: Taking taylor expansion of 1 in y
3.497 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.497 * [taylor]: Taking taylor expansion of y in y
3.499 * [taylor]: Taking taylor expansion of 0 in y
3.502 * [taylor]: Taking taylor expansion of 0 in y
3.505 * [taylor]: Taking taylor expansion of 0 in y
3.506 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
3.506 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in y
3.506 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
3.506 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.506 * [taylor]: Taking taylor expansion of x in y
3.506 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
3.506 * [taylor]: Taking taylor expansion of (* x y) in y
3.506 * [taylor]: Taking taylor expansion of x in y
3.506 * [taylor]: Taking taylor expansion of y in y
3.506 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in x
3.506 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.506 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.506 * [taylor]: Taking taylor expansion of x in x
3.507 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.507 * [taylor]: Taking taylor expansion of (* x y) in x
3.507 * [taylor]: Taking taylor expansion of x in x
3.507 * [taylor]: Taking taylor expansion of y in x
3.507 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in x
3.507 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.507 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.507 * [taylor]: Taking taylor expansion of x in x
3.508 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.508 * [taylor]: Taking taylor expansion of (* x y) in x
3.508 * [taylor]: Taking taylor expansion of x in x
3.508 * [taylor]: Taking taylor expansion of y in x
3.508 * [taylor]: Taking taylor expansion of 1 in y
3.509 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.509 * [taylor]: Taking taylor expansion of y in y
3.511 * [taylor]: Taking taylor expansion of 0 in y
3.514 * [taylor]: Taking taylor expansion of 0 in y
3.517 * [taylor]: Taking taylor expansion of 0 in y
3.517 * * * [progress]: simplifying candidates
3.518 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (pow x 2)) (exp (* y x)))
  (log (+ (pow x 2) (* y x)))
  (exp (+ (pow x 2) (* y x)))
  (* (cbrt (+ (pow x 2) (* y x))) (cbrt (+ (pow x 2) (* y x))))
  (cbrt (+ (pow x 2) (* y x)))
  (* (* (+ (pow x 2) (* y x)) (+ (pow x 2) (* y x))) (+ (pow x 2) (* y x)))
  (sqrt (+ (pow x 2) (* y x)))
  (sqrt (+ (pow x 2) (* y x)))
  (+ (pow (pow x 2) 3) (pow (* y x) 3))
  (+ (* (pow x 2) (pow x 2)) (- (* (* y x) (* y x)) (* (pow x 2) (* y x))))
  (- (* (pow x 2) (pow x 2)) (* (* y x) (* y x)))
  (- (pow x 2) (* y x))
  (+ x y)
  (+ (pow x 2) (* x y))
  (+ (pow x 2) (* x y))
  (+ (pow x 2) (* x y))
3.519 * * [simplify]: iteration  0 :  30  enodes  (cost  169 )
3.525 * * [simplify]: iteration  1 :  91  enodes  (cost  156 )
3.558 * * [simplify]: iteration  2 :  296  enodes  (cost  124 )
3.637 * * [simplify]: iteration  3 :  745  enodes  (cost  112 )
3.954 * * [simplify]: iteration  4 :  1843  enodes  (cost  112 )
5.211 * * [simplify]: iteration  done :  5000  enodes  (cost  112 )
5.211 * [simplify]: Simplified to:
   (exp (* x (+ x y)))
  (log (* x (+ x y)))
  (exp (* x (+ x y)))
  (* (cbrt (* x (+ x y))) (cbrt (* x (+ x y))))
  (cbrt (* x (+ x y)))
  (pow (* x (+ x y)) 3)
  (sqrt (* x (+ x y)))
  (sqrt (* x (+ x y)))
  (+ (pow (* y x) 3) (pow x 6))
  (+ (pow x 4) (* (* y x) (* x (- y x))))
  (- (pow x 4) (* (* y x) (* y x)))
  (* x (- x y))
  (+ x y)
  (* x (+ x y))
  (* x (+ x y))
  (* x (+ x y))
5.211 * * * [progress]: adding candidates to table
5.238 * [progress]: [Phase 3 of 3] Extracting.
5.238 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (* x (+ x y)) 2.0))> #<alt (λ (x y) (* (+ (pow x 2) (* y x)) 2.0))>)
5.239 * * * [regime-changes]: Trying 2 branch expressions: (y x)
5.239 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (* x (+ x y)) 2.0))> #<alt (λ (x y) (* (+ (pow x 2) (* y x)) 2.0))>)
5.249 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (* x (+ x y)) 2.0))> #<alt (λ (x y) (* (+ (pow x 2) (* y x)) 2.0))>)
5.259 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
5.259 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (* x (+ x y)) 2.0)
5.259 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
5.260 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
5.260 * * [simplify]: iteration  done :  9  enodes  (cost  7 )
5.260 * [simplify]: Simplified to:
   (* (* x (+ x y)) 2.0)
5.749 * [regime-testing]: Baseline error score: 0.015876984623077885
5.750 * [regime-testing]: Oracle error score: 0.010376297037129641
5.751 * [regime-testing]: End program error score: 0.015876984623077885
5.767 * [regime-testing]: Target error score: 0.008126015751968996