1.837 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.026 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.034 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 0.5 (- (* x x) y))
0.037 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.058 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
0.059 * * [simplify]: iteration  2 :  16  enodes  (cost  7 )
0.062 * * [simplify]: iteration  3 :  25  enodes  (cost  7 )
0.066 * * [simplify]: iteration  4 :  29  enodes  (cost  7 )
0.070 * * [simplify]: iteration  done :  29  enodes  (cost  7 )
0.070 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.072 * * [progress]: iteration 1 / 4
0.072 * * * [progress]: picking best candidate
0.074 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.074 * * * [progress]: localizing error
0.082 * * * [progress]: generating rewritten candidates
0.082 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.090 * * * [progress]: generating series expansions
0.091 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.096 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.098 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.098 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.098 * [taylor]: Taking taylor expansion of x in y
0.098 * [taylor]: Taking taylor expansion of y in y
0.098 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.098 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.099 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [taylor]: Taking taylor expansion of y in x
0.099 * [taylor]: Taking taylor expansion of (neg y) in y
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [taylor]: Taking taylor expansion of 1 in y
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.101 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.101 * [taylor]: Taking taylor expansion of x in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.101 * [taylor]: Taking taylor expansion of y in x
0.101 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.101 * [taylor]: Taking taylor expansion of y in x
0.101 * [taylor]: Taking taylor expansion of 1 in y
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.103 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of 1 in y
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.105 * * * [progress]: simplifying candidates
0.105 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (* x x)) (exp y))
  (log (- (* x x) y))
  (exp (- (* x 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))
  (- (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (+ (* y y) (* (* x x) y)))
  (neg y)
  (- (* (* x x) (* x x)) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (neg y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.106 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.107 * * [simplify]: iteration  1 :  10  enodes  (cost  6 )
0.108 * * [simplify]: iteration  2 :  16  enodes  (cost  6 )
0.110 * * [simplify]: iteration  3 :  26  enodes  (cost  6 )
0.113 * * [simplify]: iteration  4 :  55  enodes  (cost  6 )
0.123 * * [simplify]: iteration  5 :  138  enodes  (cost  6 )
0.178 * * [simplify]: iteration  6 :  417  enodes  (cost  6 )
0.694 * * [simplify]: iteration  7 :  1623  enodes  (cost  6 )
3.056 * * [simplify]: iteration  done :  5001  enodes  (cost  6 )
3.057 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
3.057 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
3.058 * * [simplify]: iteration  2 :  8  enodes  (cost  6 )
3.059 * * [simplify]: iteration  done :  8  enodes  (cost  6 )
3.059 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
3.060 * * [simplify]: iteration  1 :  10  enodes  (cost  6 )
3.062 * * [simplify]: iteration  2 :  15  enodes  (cost  6 )
3.063 * * [simplify]: iteration  3 :  22  enodes  (cost  6 )
3.066 * * [simplify]: iteration  4 :  39  enodes  (cost  6 )
3.072 * * [simplify]: iteration  5 :  81  enodes  (cost  6 )
3.100 * * [simplify]: iteration  6 :  235  enodes  (cost  6 )
3.219 * * [simplify]: iteration  7 :  622  enodes  (cost  6 )
4.085 * * [simplify]: iteration  8 :  1926  enodes  (cost  6 )
6.429 * * [simplify]: iteration  done :  5000  enodes  (cost  6 )
6.430 * * [simplify]: iteration  0 :  6  enodes  (cost  13 )
6.431 * * [simplify]: iteration  1 :  8  enodes  (cost  13 )
6.432 * * [simplify]: iteration  2 :  9  enodes  (cost  13 )
6.433 * * [simplify]: iteration  done :  9  enodes  (cost  13 )
6.433 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
6.434 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
6.435 * * [simplify]: iteration  2 :  8  enodes  (cost  6 )
6.436 * * [simplify]: iteration  done :  8  enodes  (cost  6 )
6.436 * * [simplify]: iteration  0 :  6  enodes  (cost  17 )
6.437 * * [simplify]: iteration  1 :  9  enodes  (cost  17 )
6.438 * * [simplify]: iteration  2 :  24  enodes  (cost  7 )
6.443 * * [simplify]: iteration  3 :  77  enodes  (cost  7 )
6.464 * * [simplify]: iteration  4 :  229  enodes  (cost  7 )
6.555 * * [simplify]: iteration  5 :  662  enodes  (cost  7 )
7.164 * * [simplify]: iteration  6 :  2131  enodes  (cost  7 )
8.626 * * [simplify]: iteration  done :  5000  enodes  (cost  7 )
8.627 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
8.627 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
8.628 * * [simplify]: iteration  2 :  8  enodes  (cost  6 )
8.629 * * [simplify]: iteration  done :  8  enodes  (cost  6 )
8.630 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
8.635 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
8.636 * * [simplify]: iteration  2 :  8  enodes  (cost  6 )
8.637 * * [simplify]: iteration  done :  8  enodes  (cost  6 )
8.637 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
8.639 * * [simplify]: iteration  1 :  24  enodes  (cost  9 )
8.643 * * [simplify]: iteration  2 :  64  enodes  (cost  7 )
8.655 * * [simplify]: iteration  3 :  123  enodes  (cost  7 )
8.679 * * [simplify]: iteration  4 :  290  enodes  (cost  7 )
8.787 * * [simplify]: iteration  5 :  944  enodes  (cost  7 )
9.519 * * [simplify]: iteration  6 :  4470  enodes  (cost  7 )
11.344 * * [simplify]: iteration  done :  5000  enodes  (cost  7 )
11.345 * * [simplify]: iteration  0 :  8  enodes  (cost  17 )
11.346 * * [simplify]: iteration  1 :  21  enodes  (cost  15 )
11.350 * * [simplify]: iteration  2 :  35  enodes  (cost  13 )
11.356 * * [simplify]: iteration  3 :  49  enodes  (cost  11 )
11.364 * * [simplify]: iteration  4 :  69  enodes  (cost  11 )
11.375 * * [simplify]: iteration  5 :  98  enodes  (cost  11 )
11.396 * * [simplify]: iteration  6 :  180  enodes  (cost  11 )
11.452 * * [simplify]: iteration  7 :  420  enodes  (cost  11 )
11.842 * * [simplify]: iteration  8 :  1399  enodes  (cost  11 )
13.376 * * [simplify]: iteration  done :  5000  enodes  (cost  11 )
13.377 * * [simplify]: iteration  0 :  2  enodes  (cost  2 )
13.377 * * [simplify]: iteration  done :  2  enodes  (cost  2 )
13.378 * * [simplify]: iteration  0 :  6  enodes  (cost  11 )
13.379 * * [simplify]: iteration  1 :  15  enodes  (cost  11 )
13.381 * * [simplify]: iteration  2 :  26  enodes  (cost  9 )
13.385 * * [simplify]: iteration  3 :  50  enodes  (cost  7 )
13.393 * * [simplify]: iteration  4 :  98  enodes  (cost  7 )
13.413 * * [simplify]: iteration  5 :  186  enodes  (cost  7 )
13.459 * * [simplify]: iteration  6 :  349  enodes  (cost  7 )
13.594 * * [simplify]: iteration  7 :  830  enodes  (cost  7 )
14.929 * * [simplify]: iteration  8 :  3556  enodes  (cost  7 )
16.889 * * [simplify]: iteration  done :  5001  enodes  (cost  7 )
16.890 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
16.890 * * [simplify]: iteration  1 :  5  enodes  (cost  5 )
16.891 * * [simplify]: iteration  done :  5  enodes  (cost  5 )
16.892 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
16.892 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
16.893 * * [simplify]: iteration  done :  5  enodes  (cost  4 )
16.893 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
16.894 * * [simplify]: iteration  1 :  6  enodes  (cost  4 )
16.894 * * [simplify]: iteration  2 :  7  enodes  (cost  4 )
16.895 * * [simplify]: iteration  done :  7  enodes  (cost  4 )
16.895 * * [simplify]: iteration  0 :  2  enodes  (cost  2 )
16.896 * * [simplify]: iteration  done :  2  enodes  (cost  2 )
16.896 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
16.897 * * [simplify]: iteration  1 :  12  enodes  (cost  5 )
16.898 * * [simplify]: iteration  2 :  21  enodes  (cost  5 )
16.900 * * [simplify]: iteration  3 :  26  enodes  (cost  5 )
16.902 * * [simplify]: iteration  4 :  32  enodes  (cost  5 )
16.904 * * [simplify]: iteration  5 :  42  enodes  (cost  5 )
16.907 * * [simplify]: iteration  6 :  64  enodes  (cost  5 )
16.916 * * [simplify]: iteration  7 :  131  enodes  (cost  5 )
16.964 * * [simplify]: iteration  8 :  349  enodes  (cost  5 )
17.399 * * [simplify]: iteration  9 :  1272  enodes  (cost  5 )
19.659 * * [simplify]: iteration  done :  5000  enodes  (cost  5 )
19.660 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
19.661 * * [simplify]: iteration  1 :  12  enodes  (cost  5 )
19.662 * * [simplify]: iteration  2 :  21  enodes  (cost  5 )
19.664 * * [simplify]: iteration  3 :  26  enodes  (cost  5 )
19.665 * * [simplify]: iteration  4 :  32  enodes  (cost  5 )
19.667 * * [simplify]: iteration  5 :  42  enodes  (cost  5 )
19.676 * * [simplify]: iteration  6 :  64  enodes  (cost  5 )
19.685 * * [simplify]: iteration  7 :  131  enodes  (cost  5 )
19.732 * * [simplify]: iteration  8 :  349  enodes  (cost  5 )
20.165 * * [simplify]: iteration  9 :  1272  enodes  (cost  5 )
22.673 * * [simplify]: iteration  done :  5000  enodes  (cost  5 )
22.673 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
22.674 * * [simplify]: iteration  1 :  12  enodes  (cost  5 )
22.676 * * [simplify]: iteration  2 :  21  enodes  (cost  5 )
22.677 * * [simplify]: iteration  3 :  26  enodes  (cost  5 )
22.679 * * [simplify]: iteration  4 :  32  enodes  (cost  5 )
22.681 * * [simplify]: iteration  5 :  42  enodes  (cost  5 )
22.684 * * [simplify]: iteration  6 :  64  enodes  (cost  5 )
22.693 * * [simplify]: iteration  7 :  131  enodes  (cost  5 )
22.742 * * [simplify]: iteration  8 :  349  enodes  (cost  5 )
23.185 * * [simplify]: iteration  9 :  1272  enodes  (cost  5 )
25.506 * * [simplify]: iteration  done :  5000  enodes  (cost  5 )
25.506 * [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 x 6) (pow y 3))
  (+ (* y (+ y (* x x))) (pow x 4))
  (neg y)
  (- (pow x 4) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (neg y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
25.506 * * * [progress]: adding candidates to table
25.526 * [progress]: [Phase 3 of 3] Extracting.
25.529 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 0.5 (- (* x x) y))
25.529 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
25.529 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
25.530 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
25.530 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
26.358 * [regime-testing]: End program error score: 0.037525931366601116