12.109 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.015 * * [simplify]: iteration 0: 6 enodes
0.016 * * [simplify]: iteration 1: 12 enodes
0.018 * * [simplify]: iteration 2: 19 enodes
0.020 * * [simplify]: iteration 3: 28 enodes
0.024 * * [simplify]: iteration 4: 38 enodes
0.028 * * [simplify]: iteration 5: 54 enodes
0.037 * * [simplify]: iteration 6: 93 enodes
0.054 * * [simplify]: iteration 7: 143 enodes
0.068 * * [simplify]: iteration 8: 183 enodes
0.080 * * [simplify]: iteration 9: 235 enodes
0.096 * * [simplify]: iteration 10: 275 enodes
0.113 * * [simplify]: iteration 11: 327 enodes
0.139 * * [simplify]: iteration 12: 375 enodes
0.181 * * [simplify]: iteration 13: 459 enodes
0.222 * * [simplify]: iteration 14: 503 enodes
0.272 * * [simplify]: iteration 15: 570 enodes
0.317 * * [simplify]: iteration 16: 596 enodes
0.361 * * [simplify]: iteration 17: 633 enodes
0.389 * * [simplify]: iteration 18: 670 enodes
0.431 * * [simplify]: iteration 19: 718 enodes
0.485 * * [simplify]: iteration 20: 757 enodes
0.535 * * [simplify]: iteration 21: 804 enodes
0.574 * * [simplify]: iteration 22: 836 enodes
0.609 * * [simplify]: iteration 23: 881 enodes
0.643 * * [simplify]: iteration 24: 914 enodes
0.685 * * [simplify]: iteration 25: 961 enodes
0.726 * * [simplify]: iteration 26: 999 enodes
0.772 * * [simplify]: iteration 27: 1041 enodes
0.819 * * [simplify]: iteration 28: 1074 enodes
0.856 * * [simplify]: iteration 29: 1127 enodes
0.910 * * [simplify]: iteration 30: 1159 enodes
0.963 * * [simplify]: iteration 31: 1201 enodes
1.009 * * [simplify]: iteration 32: 1238 enodes
1.055 * * [simplify]: iteration 33: 1285 enodes
1.098 * * [simplify]: iteration 34: 1317 enodes
1.142 * * [simplify]: iteration 35: 1364 enodes
1.170 * * [simplify]: iteration 36: 1397 enodes
1.200 * * [simplify]: iteration 37: 1444 enodes
1.229 * * [simplify]: iteration 38: 1482 enodes
1.262 * * [simplify]: iteration 39: 1524 enodes
1.296 * * [simplify]: iteration 40: 1557 enodes
1.335 * * [simplify]: iteration 41: 1610 enodes
1.363 * * [simplify]: iteration 42: 1642 enodes
1.404 * * [simplify]: iteration 43: 1684 enodes
1.446 * * [simplify]: iteration 44: 1721 enodes
1.489 * * [simplify]: iteration 45: 1768 enodes
1.526 * * [simplify]: iteration 46: 1800 enodes
1.563 * * [simplify]: iteration 47: 1847 enodes
1.602 * * [simplify]: iteration 48: 1880 enodes
1.647 * * [simplify]: iteration 49: 1927 enodes
1.687 * * [simplify]: iteration 50: 1965 enodes
1.732 * * [simplify]: iteration 51: 2007 enodes
1.772 * * [simplify]: iteration 52: 2040 enodes
1.824 * * [simplify]: iteration 53: 2093 enodes
1.864 * * [simplify]: iteration 54: 2125 enodes
1.912 * * [simplify]: iteration 55: 2167 enodes
1.954 * * [simplify]: iteration 56: 2204 enodes
1.997 * * [simplify]: iteration 57: 2251 enodes
2.031 * * [simplify]: iteration 58: 2283 enodes
2.076 * * [simplify]: iteration 59: 2330 enodes
2.116 * * [simplify]: iteration 60: 2363 enodes
2.159 * * [simplify]: iteration 61: 2410 enodes
2.200 * * [simplify]: iteration 62: 2452 enodes
2.243 * * [simplify]: iteration 63: 2494 enodes
2.284 * * [simplify]: iteration 64: 2527 enodes
2.334 * * [simplify]: iteration 65: 2580 enodes
2.364 * * [simplify]: iteration 66: 2612 enodes
2.412 * * [simplify]: iteration 67: 2654 enodes
2.452 * * [simplify]: iteration 68: 2691 enodes
2.496 * * [simplify]: iteration 69: 2738 enodes
2.528 * * [simplify]: iteration 70: 2770 enodes
2.562 * * [simplify]: iteration 71: 2819 enodes
2.600 * * [simplify]: iteration 72: 2852 enodes
2.644 * * [simplify]: iteration 73: 2899 enodes
2.685 * * [simplify]: iteration 74: 2937 enodes
2.732 * * [simplify]: iteration 75: 2979 enodes
2.773 * * [simplify]: iteration 76: 3012 enodes
2.828 * * [simplify]: iteration 77: 3065 enodes
2.857 * * [simplify]: iteration 78: 3097 enodes
2.901 * * [simplify]: iteration 79: 3139 enodes
2.931 * * [simplify]: iteration 80: 3178 enodes
2.961 * * [simplify]: iteration 81: 3225 enodes
2.989 * * [simplify]: iteration 82: 3257 enodes
3.021 * * [simplify]: iteration 83: 3304 enodes
3.048 * * [simplify]: iteration 84: 3337 enodes
3.079 * * [simplify]: iteration 85: 3384 enodes
3.113 * * [simplify]: iteration 86: 3426 enodes
3.145 * * [simplify]: iteration 87: 3468 enodes
3.180 * * [simplify]: iteration 88: 3501 enodes
3.233 * * [simplify]: iteration 89: 3554 enodes
3.273 * * [simplify]: iteration 90: 3586 enodes
3.321 * * [simplify]: iteration 91: 3628 enodes
3.362 * * [simplify]: iteration 92: 3665 enodes
3.406 * * [simplify]: iteration 93: 3712 enodes
3.445 * * [simplify]: iteration 94: 3744 enodes
3.491 * * [simplify]: iteration 95: 3789 enodes
3.530 * * [simplify]: iteration 96: 3822 enodes
3.575 * * [simplify]: iteration 97: 3869 enodes
3.616 * * [simplify]: iteration 98: 3911 enodes
3.665 * * [simplify]: iteration 99: 3953 enodes
3.707 * * [simplify]: iteration 100: 3986 enodes
3.757 * * [simplify]: iteration 101: 4039 enodes
3.796 * * [simplify]: iteration 102: 4071 enodes
3.842 * * [simplify]: iteration 103: 4113 enodes
3.876 * * [simplify]: iteration 104: 4150 enodes
3.918 * * [simplify]: iteration 105: 4197 enodes
3.969 * * [simplify]: iteration 106: 4229 enodes
4.025 * * [simplify]: iteration 107: 4278 enodes
4.073 * * [simplify]: iteration 108: 4311 enodes
4.125 * * [simplify]: iteration 109: 4358 enodes
4.155 * * [simplify]: iteration 110: 4396 enodes
4.211 * * [simplify]: iteration 111: 4438 enodes
4.263 * * [simplify]: iteration 112: 4471 enodes
4.302 * * [simplify]: iteration 113: 4524 enodes
4.329 * * [simplify]: iteration 114: 4556 enodes
4.363 * * [simplify]: iteration 115: 4598 enodes
4.392 * * [simplify]: iteration 116: 4637 enodes
4.425 * * [simplify]: iteration 117: 4684 enodes
4.452 * * [simplify]: iteration 118: 4716 enodes
4.487 * * [simplify]: iteration 119: 4765 enodes
4.530 * * [simplify]: iteration 120: 4798 enodes
4.569 * * [simplify]: iteration 121: 4845 enodes
4.609 * * [simplify]: iteration 122: 4883 enodes
4.653 * * [simplify]: iteration 123: 4925 enodes
4.705 * * [simplify]: iteration 124: 4958 enodes
4.728 * * [simplify]: iteration complete: 5000 enodes
4.728 * * [simplify]: Extracting #0: cost 1 inf + 0
4.728 * * [simplify]: Extracting #1: cost 18 inf + 0
4.728 * * [simplify]: Extracting #2: cost 26 inf + 1
4.729 * * [simplify]: Extracting #3: cost 24 inf + 536
4.729 * * [simplify]: Extracting #4: cost 3 inf + 2222
4.730 * * [simplify]: Extracting #5: cost 0 inf + 2631
4.732 * [simplify]: Simplified to:
  (+ (/ (- y x) 2.0) x)
4.732 * * [progress]: iteration 1 / 4
4.732 * * * [progress]: picking best candidate
4.738 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
4.738 * * * [progress]: localizing error
4.750 * * * [progress]: generating rewritten candidates
4.750 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.777 * * * [progress]: generating series expansions
4.777 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.781 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
4.781 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
4.781 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
4.781 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
4.781 * [taylor]: Taking taylor expansion of 0.5 in y
4.781 * [backup-simplify]: Simplify 0.5 into 0.5
4.781 * [taylor]: Taking taylor expansion of x in y
4.781 * [backup-simplify]: Simplify x into x
4.781 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
4.781 * [taylor]: Taking taylor expansion of 0.5 in y
4.781 * [backup-simplify]: Simplify 0.5 into 0.5
4.781 * [taylor]: Taking taylor expansion of y in y
4.781 * [backup-simplify]: Simplify 0 into 0
4.781 * [backup-simplify]: Simplify 1 into 1
4.781 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
4.781 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
4.781 * [taylor]: Taking taylor expansion of 0.5 in x
4.781 * [backup-simplify]: Simplify 0.5 into 0.5
4.781 * [taylor]: Taking taylor expansion of x in x
4.781 * [backup-simplify]: Simplify 0 into 0
4.781 * [backup-simplify]: Simplify 1 into 1
4.781 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
4.781 * [taylor]: Taking taylor expansion of 0.5 in x
4.781 * [backup-simplify]: Simplify 0.5 into 0.5
4.781 * [taylor]: Taking taylor expansion of y in x
4.781 * [backup-simplify]: Simplify y into y
4.781 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
4.781 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
4.781 * [taylor]: Taking taylor expansion of 0.5 in x
4.781 * [backup-simplify]: Simplify 0.5 into 0.5
4.782 * [taylor]: Taking taylor expansion of x in x
4.782 * [backup-simplify]: Simplify 0 into 0
4.782 * [backup-simplify]: Simplify 1 into 1
4.782 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
4.782 * [taylor]: Taking taylor expansion of 0.5 in x
4.782 * [backup-simplify]: Simplify 0.5 into 0.5
4.782 * [taylor]: Taking taylor expansion of y in x
4.782 * [backup-simplify]: Simplify y into y
4.782 * [backup-simplify]: Simplify (* 0.5 0) into 0
4.782 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
4.783 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
4.783 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
4.783 * [taylor]: Taking taylor expansion of 0.5 in y
4.783 * [backup-simplify]: Simplify 0.5 into 0.5
4.783 * [taylor]: Taking taylor expansion of y in y
4.783 * [backup-simplify]: Simplify 0 into 0
4.783 * [backup-simplify]: Simplify 1 into 1
4.783 * [backup-simplify]: Simplify (* 0.5 0) into 0
4.783 * [backup-simplify]: Simplify 0 into 0
4.785 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
4.785 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
4.785 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
4.785 * [taylor]: Taking taylor expansion of 0.5 in y
4.785 * [backup-simplify]: Simplify 0.5 into 0.5
4.785 * [backup-simplify]: Simplify 0.5 into 0.5
4.787 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
4.787 * [backup-simplify]: Simplify 0.5 into 0.5
4.788 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
4.788 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
4.789 * [backup-simplify]: Simplify (+ 0 0) into 0
4.789 * [taylor]: Taking taylor expansion of 0 in y
4.789 * [backup-simplify]: Simplify 0 into 0
4.789 * [backup-simplify]: Simplify 0 into 0
4.789 * [backup-simplify]: Simplify 0 into 0
4.790 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
4.790 * [backup-simplify]: Simplify 0 into 0
4.791 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
4.792 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
4.792 * [backup-simplify]: Simplify (+ 0 0) into 0
4.792 * [taylor]: Taking taylor expansion of 0 in y
4.792 * [backup-simplify]: Simplify 0 into 0
4.792 * [backup-simplify]: Simplify 0 into 0
4.792 * [backup-simplify]: Simplify 0 into 0
4.792 * [backup-simplify]: Simplify 0 into 0
4.792 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
4.792 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
4.792 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0
4.792 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
4.793 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
4.793 * [taylor]: Taking taylor expansion of 0.5 in y
4.793 * [backup-simplify]: Simplify 0.5 into 0.5
4.793 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.793 * [taylor]: Taking taylor expansion of x in y
4.793 * [backup-simplify]: Simplify x into x
4.793 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.793 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.793 * [taylor]: Taking taylor expansion of 0.5 in y
4.793 * [backup-simplify]: Simplify 0.5 into 0.5
4.793 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.793 * [taylor]: Taking taylor expansion of y in y
4.793 * [backup-simplify]: Simplify 0 into 0
4.793 * [backup-simplify]: Simplify 1 into 1
4.793 * [backup-simplify]: Simplify (/ 1 1) into 1
4.793 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.793 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
4.793 * [taylor]: Taking taylor expansion of 0.5 in x
4.793 * [backup-simplify]: Simplify 0.5 into 0.5
4.793 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.793 * [taylor]: Taking taylor expansion of x in x
4.793 * [backup-simplify]: Simplify 0 into 0
4.793 * [backup-simplify]: Simplify 1 into 1
4.794 * [backup-simplify]: Simplify (/ 1 1) into 1
4.794 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.794 * [taylor]: Taking taylor expansion of 0.5 in x
4.794 * [backup-simplify]: Simplify 0.5 into 0.5
4.794 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.794 * [taylor]: Taking taylor expansion of y in x
4.794 * [backup-simplify]: Simplify y into y
4.794 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.794 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.794 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
4.794 * [taylor]: Taking taylor expansion of 0.5 in x
4.794 * [backup-simplify]: Simplify 0.5 into 0.5
4.794 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.794 * [taylor]: Taking taylor expansion of x in x
4.794 * [backup-simplify]: Simplify 0 into 0
4.794 * [backup-simplify]: Simplify 1 into 1
4.795 * [backup-simplify]: Simplify (/ 1 1) into 1
4.795 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.795 * [taylor]: Taking taylor expansion of 0.5 in x
4.795 * [backup-simplify]: Simplify 0.5 into 0.5
4.795 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.795 * [taylor]: Taking taylor expansion of y in x
4.795 * [backup-simplify]: Simplify y into y
4.795 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.795 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.796 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
4.796 * [taylor]: Taking taylor expansion of 0.5 in y
4.796 * [backup-simplify]: Simplify 0.5 into 0.5
4.796 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.797 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
4.797 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
4.797 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
4.797 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.797 * [taylor]: Taking taylor expansion of 0.5 in y
4.797 * [backup-simplify]: Simplify 0.5 into 0.5
4.797 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.797 * [taylor]: Taking taylor expansion of y in y
4.797 * [backup-simplify]: Simplify 0 into 0
4.797 * [backup-simplify]: Simplify 1 into 1
4.797 * [backup-simplify]: Simplify (/ 1 1) into 1
4.798 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.798 * [backup-simplify]: Simplify 0.5 into 0.5
4.798 * [backup-simplify]: Simplify 0.5 into 0.5
4.799 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.800 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
4.800 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.800 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
4.800 * [backup-simplify]: Simplify (+ 0 0) into 0
4.800 * [taylor]: Taking taylor expansion of 0 in y
4.801 * [backup-simplify]: Simplify 0 into 0
4.801 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.802 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
4.802 * [backup-simplify]: Simplify 0 into 0
4.802 * [backup-simplify]: Simplify 0 into 0
4.803 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.804 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.804 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.805 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.805 * [backup-simplify]: Simplify (+ 0 0) into 0
4.805 * [taylor]: Taking taylor expansion of 0 in y
4.805 * [backup-simplify]: Simplify 0 into 0
4.805 * [backup-simplify]: Simplify 0 into 0
4.806 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.807 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
4.807 * [backup-simplify]: Simplify 0 into 0
4.807 * [backup-simplify]: Simplify 0 into 0
4.808 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.809 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.809 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.810 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
4.810 * [backup-simplify]: Simplify (+ 0 0) into 0
4.810 * [taylor]: Taking taylor expansion of 0 in y
4.810 * [backup-simplify]: Simplify 0 into 0
4.810 * [backup-simplify]: Simplify 0 into 0
4.810 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
4.811 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))
4.811 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
4.811 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
4.811 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
4.811 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
4.811 * [taylor]: Taking taylor expansion of 0.5 in y
4.811 * [backup-simplify]: Simplify 0.5 into 0.5
4.811 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.811 * [taylor]: Taking taylor expansion of x in y
4.811 * [backup-simplify]: Simplify x into x
4.811 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.811 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.811 * [taylor]: Taking taylor expansion of 0.5 in y
4.811 * [backup-simplify]: Simplify 0.5 into 0.5
4.811 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.811 * [taylor]: Taking taylor expansion of y in y
4.811 * [backup-simplify]: Simplify 0 into 0
4.811 * [backup-simplify]: Simplify 1 into 1
4.812 * [backup-simplify]: Simplify (/ 1 1) into 1
4.812 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
4.812 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.812 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
4.812 * [taylor]: Taking taylor expansion of 0.5 in x
4.812 * [backup-simplify]: Simplify 0.5 into 0.5
4.812 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.812 * [taylor]: Taking taylor expansion of x in x
4.812 * [backup-simplify]: Simplify 0 into 0
4.812 * [backup-simplify]: Simplify 1 into 1
4.812 * [backup-simplify]: Simplify (/ 1 1) into 1
4.812 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.812 * [taylor]: Taking taylor expansion of 0.5 in x
4.812 * [backup-simplify]: Simplify 0.5 into 0.5
4.812 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.812 * [taylor]: Taking taylor expansion of y in x
4.812 * [backup-simplify]: Simplify y into y
4.812 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.812 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
4.812 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.812 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
4.812 * [taylor]: Taking taylor expansion of 0.5 in x
4.812 * [backup-simplify]: Simplify 0.5 into 0.5
4.812 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.812 * [taylor]: Taking taylor expansion of x in x
4.812 * [backup-simplify]: Simplify 0 into 0
4.813 * [backup-simplify]: Simplify 1 into 1
4.813 * [backup-simplify]: Simplify (/ 1 1) into 1
4.813 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.813 * [taylor]: Taking taylor expansion of 0.5 in x
4.813 * [backup-simplify]: Simplify 0.5 into 0.5
4.813 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.813 * [taylor]: Taking taylor expansion of y in x
4.813 * [backup-simplify]: Simplify y into y
4.813 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.813 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.814 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
4.814 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.814 * [taylor]: Taking taylor expansion of (- 0.5) in y
4.814 * [taylor]: Taking taylor expansion of 0.5 in y
4.814 * [backup-simplify]: Simplify 0.5 into 0.5
4.815 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.816 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
4.816 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
4.816 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
4.816 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
4.816 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
4.816 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.816 * [taylor]: Taking taylor expansion of 0.5 in y
4.816 * [backup-simplify]: Simplify 0.5 into 0.5
4.816 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.816 * [taylor]: Taking taylor expansion of y in y
4.816 * [backup-simplify]: Simplify 0 into 0
4.816 * [backup-simplify]: Simplify 1 into 1
4.816 * [backup-simplify]: Simplify (/ 1 1) into 1
4.817 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.817 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.817 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.818 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.818 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.819 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.820 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
4.820 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.820 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
4.820 * [backup-simplify]: Simplify (+ 0 0) into 0
4.821 * [backup-simplify]: Simplify (- 0) into 0
4.821 * [taylor]: Taking taylor expansion of 0 in y
4.821 * [backup-simplify]: Simplify 0 into 0
4.821 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.822 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
4.822 * [backup-simplify]: Simplify (- 0) into 0
4.822 * [backup-simplify]: Simplify 0 into 0
4.823 * [backup-simplify]: Simplify (- 0) into 0
4.823 * [backup-simplify]: Simplify 0 into 0
4.823 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.824 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.824 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.825 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.825 * [backup-simplify]: Simplify (+ 0 0) into 0
4.826 * [backup-simplify]: Simplify (- 0) into 0
4.826 * [taylor]: Taking taylor expansion of 0 in y
4.826 * [backup-simplify]: Simplify 0 into 0
4.826 * [backup-simplify]: Simplify 0 into 0
4.827 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.827 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
4.828 * [backup-simplify]: Simplify (- 0) into 0
4.828 * [backup-simplify]: Simplify 0 into 0
4.828 * [backup-simplify]: Simplify (- 0) into 0
4.828 * [backup-simplify]: Simplify 0 into 0
4.829 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.830 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.830 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.831 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
4.831 * [backup-simplify]: Simplify (+ 0 0) into 0
4.831 * [backup-simplify]: Simplify (- 0) into 0
4.832 * [taylor]: Taking taylor expansion of 0 in y
4.832 * [backup-simplify]: Simplify 0 into 0
4.832 * [backup-simplify]: Simplify 0 into 0
4.832 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
4.832 * * * [progress]: simplifying candidates
4.833 * [simplify]: Simplifying:
  (expm1 (+ x (/ (- y x) 2.0)))
  (log1p (+ x (/ (- y x) 2.0)))
  (* (exp x) (exp (/ (- y x) 2.0)))
  (log (+ x (/ (- y x) 2.0)))
  (exp (+ x (/ (- y x) 2.0)))
  (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0))))
  (cbrt (+ x (/ (- y x) 2.0)))
  (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0)))
  (sqrt (+ x (/ (- y x) 2.0)))
  (sqrt (+ x (/ (- y x) 2.0)))
  (+ (pow x 3) (pow (/ (- y x) 2.0) 3))
  (+ (* x x) (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (/ (- y x) 2.0))))
  (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0)))
  (- x (/ (- y x) 2.0))
  (+ x (/ (- y x) 2.0))
  (+ x (/ y 2.0))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
4.833 * * [simplify]: iteration 0: 35 enodes
4.844 * * [simplify]: iteration 1: 98 enodes
4.876 * * [simplify]: iteration 2: 269 enodes
4.973 * * [simplify]: iteration 3: 813 enodes
5.689 * * [simplify]: iteration 4: 4105 enodes
6.617 * * [simplify]: iteration complete: 5000 enodes
6.617 * * [simplify]: Extracting #0: cost 15 inf + 0
6.619 * * [simplify]: Extracting #1: cost 214 inf + 0
6.622 * * [simplify]: Extracting #2: cost 912 inf + 716
6.628 * * [simplify]: Extracting #3: cost 1041 inf + 16464
6.663 * * [simplify]: Extracting #4: cost 394 inf + 146074
6.752 * * [simplify]: Extracting #5: cost 16 inf + 240812
6.850 * * [simplify]: Extracting #6: cost 0 inf + 243010
6.948 * * [simplify]: Extracting #7: cost 0 inf + 242850
7.044 * [simplify]: Simplified to:
  (expm1 (+ (/ (- y x) 2.0) x))
  (log1p (+ (/ (- y x) 2.0) x))
  (exp (+ (/ (- y x) 2.0) x))
  (log (+ (/ (- y x) 2.0) x))
  (exp (+ (/ (- y x) 2.0) x))
  (* (cbrt (+ (/ (- y x) 2.0) x)) (cbrt (+ (/ (- y x) 2.0) x)))
  (cbrt (+ (/ (- y x) 2.0) x))
  (* (* (+ (/ (- y x) 2.0) x) (+ (/ (- y x) 2.0) x)) (+ (/ (- y x) 2.0) x))
  (sqrt (+ (/ (- y x) 2.0) x))
  (sqrt (+ (/ (- y x) 2.0) x))
  (fma (* x x) x (* (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (/ (- y x) 2.0)))
  (fma (- (/ (- y x) 2.0) x) (/ (- y x) 2.0) (* x x))
  (* (+ (/ (- y x) 2.0) x) (- x (/ (- y x) 2.0)))
  (- x (/ (- y x) 2.0))
  (+ (/ (- y x) 2.0) x)
  (+ (/ y 2.0) x)
  (* 0.5 (+ y x))
  (* 0.5 (+ y x))
  (* 0.5 (+ y x))
7.045 * * * [progress]: adding candidates to table
7.137 * * [progress]: iteration 2 / 4
7.137 * * * [progress]: picking best candidate
7.142 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (+ y x)))>
7.142 * * * [progress]: localizing error
7.153 * * * [progress]: generating rewritten candidates
7.153 * * * [progress]: generating series expansions
7.153 * * * [progress]: simplifying candidates
7.153 * [simplify]: Simplifying:
  
7.153 * * [simplify]: iteration 0: 0 enodes
7.153 * * [simplify]: iteration complete: 0 enodes
7.153 * * [simplify]: Extracting #0: cost 0 inf + 0
7.153 * [simplify]: Simplified to:
  
7.153 * * * [progress]: adding candidates to table
7.154 * [progress]: [Phase 3 of 3] Extracting.
7.159 * [simplify]: Simplifying:
  (* 0.5 (+ y x))
7.159 * * [simplify]: iteration 0: 5 enodes
7.159 * * [simplify]: iteration 1: 7 enodes
7.159 * * [simplify]: iteration complete: 7 enodes
7.159 * * [simplify]: Extracting #0: cost 1 inf + 0
7.160 * * [simplify]: Extracting #1: cost 3 inf + 0
7.160 * * [simplify]: Extracting #2: cost 4 inf + 1
7.160 * * [simplify]: Extracting #3: cost 0 inf + 128
7.160 * [simplify]: Simplified to:
  (* (+ y x) 0.5)
7.889 * [regime-testing]: Baseline error score: 0
7.897 * [regime-testing]: Oracle error score: 0
7.897 * [regime-testing]: End program error score: 0
7.985 * [regime-testing]: Target error score: 0