49.351 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.017 * * [simplify]: iteration 0: 6 enodes
0.018 * * [simplify]: iteration 1: 12 enodes
0.020 * * [simplify]: iteration 2: 19 enodes
0.023 * * [simplify]: iteration 3: 28 enodes
0.026 * * [simplify]: iteration 4: 38 enodes
0.031 * * [simplify]: iteration 5: 54 enodes
0.039 * * [simplify]: iteration 6: 93 enodes
0.050 * * [simplify]: iteration 7: 143 enodes
0.063 * * [simplify]: iteration 8: 183 enodes
0.080 * * [simplify]: iteration 9: 235 enodes
0.098 * * [simplify]: iteration 10: 275 enodes
0.116 * * [simplify]: iteration 11: 327 enodes
0.139 * * [simplify]: iteration 12: 375 enodes
0.171 * * [simplify]: iteration 13: 459 enodes
0.204 * * [simplify]: iteration 14: 503 enodes
0.247 * * [simplify]: iteration 15: 570 enodes
0.284 * * [simplify]: iteration 16: 596 enodes
0.316 * * [simplify]: iteration 17: 633 enodes
0.344 * * [simplify]: iteration 18: 670 enodes
0.397 * * [simplify]: iteration 19: 718 enodes
0.434 * * [simplify]: iteration 20: 757 enodes
0.468 * * [simplify]: iteration 21: 804 enodes
0.510 * * [simplify]: iteration 22: 836 enodes
0.565 * * [simplify]: iteration 23: 881 enodes
0.594 * * [simplify]: iteration 24: 914 enodes
0.625 * * [simplify]: iteration 25: 961 enodes
0.668 * * [simplify]: iteration 26: 999 enodes
0.716 * * [simplify]: iteration 27: 1041 enodes
0.746 * * [simplify]: iteration 28: 1074 enodes
0.785 * * [simplify]: iteration 29: 1127 enodes
0.823 * * [simplify]: iteration 30: 1159 enodes
0.856 * * [simplify]: iteration 31: 1201 enodes
0.887 * * [simplify]: iteration 32: 1238 enodes
0.919 * * [simplify]: iteration 33: 1285 enodes
0.950 * * [simplify]: iteration 34: 1317 enodes
0.986 * * [simplify]: iteration 35: 1364 enodes
1.030 * * [simplify]: iteration 36: 1397 enodes
1.078 * * [simplify]: iteration 37: 1444 enodes
1.122 * * [simplify]: iteration 38: 1482 enodes
1.171 * * [simplify]: iteration 39: 1524 enodes
1.205 * * [simplify]: iteration 40: 1557 enodes
1.249 * * [simplify]: iteration 41: 1610 enodes
1.282 * * [simplify]: iteration 42: 1642 enodes
1.335 * * [simplify]: iteration 43: 1684 enodes
1.376 * * [simplify]: iteration 44: 1721 enodes
1.410 * * [simplify]: iteration 45: 1768 enodes
1.439 * * [simplify]: iteration 46: 1800 enodes
1.474 * * [simplify]: iteration 47: 1847 enodes
1.504 * * [simplify]: iteration 48: 1880 enodes
1.539 * * [simplify]: iteration 49: 1927 enodes
1.587 * * [simplify]: iteration 50: 1965 enodes
1.639 * * [simplify]: iteration 51: 2007 enodes
1.684 * * [simplify]: iteration 52: 2040 enodes
1.745 * * [simplify]: iteration 53: 2093 enodes
1.794 * * [simplify]: iteration 54: 2125 enodes
1.839 * * [simplify]: iteration 55: 2167 enodes
1.881 * * [simplify]: iteration 56: 2204 enodes
1.913 * * [simplify]: iteration 57: 2251 enodes
1.958 * * [simplify]: iteration 58: 2283 enodes
2.010 * * [simplify]: iteration 59: 2330 enodes
2.044 * * [simplify]: iteration 60: 2363 enodes
2.094 * * [simplify]: iteration 61: 2410 enodes
2.124 * * [simplify]: iteration 62: 2452 enodes
2.157 * * [simplify]: iteration 63: 2494 enodes
2.187 * * [simplify]: iteration 64: 2527 enodes
2.228 * * [simplify]: iteration 65: 2580 enodes
2.255 * * [simplify]: iteration 66: 2612 enodes
2.291 * * [simplify]: iteration 67: 2654 enodes
2.320 * * [simplify]: iteration 68: 2691 enodes
2.354 * * [simplify]: iteration 69: 2738 enodes
2.390 * * [simplify]: iteration 70: 2770 enodes
2.435 * * [simplify]: iteration 71: 2819 enodes
2.473 * * [simplify]: iteration 72: 2852 enodes
2.507 * * [simplify]: iteration 73: 2899 enodes
2.536 * * [simplify]: iteration 74: 2937 enodes
2.571 * * [simplify]: iteration 75: 2979 enodes
2.601 * * [simplify]: iteration 76: 3012 enodes
2.671 * * [simplify]: iteration 77: 3065 enodes
2.720 * * [simplify]: iteration 78: 3097 enodes
2.754 * * [simplify]: iteration 79: 3139 enodes
2.786 * * [simplify]: iteration 80: 3178 enodes
2.839 * * [simplify]: iteration 81: 3225 enodes
2.897 * * [simplify]: iteration 82: 3257 enodes
2.935 * * [simplify]: iteration 83: 3304 enodes
2.986 * * [simplify]: iteration 84: 3337 enodes
3.021 * * [simplify]: iteration 85: 3384 enodes
3.083 * * [simplify]: iteration 86: 3426 enodes
3.127 * * [simplify]: iteration 87: 3468 enodes
3.187 * * [simplify]: iteration 88: 3501 enodes
3.265 * * [simplify]: iteration 89: 3554 enodes
3.320 * * [simplify]: iteration 90: 3586 enodes
3.378 * * [simplify]: iteration 91: 3628 enodes
3.418 * * [simplify]: iteration 92: 3665 enodes
3.468 * * [simplify]: iteration 93: 3712 enodes
3.514 * * [simplify]: iteration 94: 3744 enodes
3.549 * * [simplify]: iteration 95: 3789 enodes
3.577 * * [simplify]: iteration 96: 3822 enodes
3.612 * * [simplify]: iteration 97: 3869 enodes
3.645 * * [simplify]: iteration 98: 3911 enodes
3.679 * * [simplify]: iteration 99: 3953 enodes
3.729 * * [simplify]: iteration 100: 3986 enodes
3.791 * * [simplify]: iteration 101: 4039 enodes
3.841 * * [simplify]: iteration 102: 4071 enodes
3.898 * * [simplify]: iteration 103: 4113 enodes
3.948 * * [simplify]: iteration 104: 4150 enodes
4.002 * * [simplify]: iteration 105: 4197 enodes
4.051 * * [simplify]: iteration 106: 4229 enodes
4.109 * * [simplify]: iteration 107: 4278 enodes
4.146 * * [simplify]: iteration 108: 4311 enodes
4.180 * * [simplify]: iteration 109: 4358 enodes
4.218 * * [simplify]: iteration 110: 4396 enodes
4.272 * * [simplify]: iteration 111: 4438 enodes
4.323 * * [simplify]: iteration 112: 4471 enodes
4.387 * * [simplify]: iteration 113: 4524 enodes
4.433 * * [simplify]: iteration 114: 4556 enodes
4.490 * * [simplify]: iteration 115: 4598 enodes
4.540 * * [simplify]: iteration 116: 4637 enodes
4.595 * * [simplify]: iteration 117: 4684 enodes
4.653 * * [simplify]: iteration 118: 4716 enodes
4.688 * * [simplify]: iteration 119: 4765 enodes
4.716 * * [simplify]: iteration 120: 4798 enodes
4.756 * * [simplify]: iteration 121: 4845 enodes
4.806 * * [simplify]: iteration 122: 4883 enodes
4.855 * * [simplify]: iteration 123: 4925 enodes
4.901 * * [simplify]: iteration 124: 4958 enodes
4.943 * * [simplify]: iteration complete: 5000 enodes
4.943 * * [simplify]: Extracting #0: cost 1 inf + 0
4.944 * * [simplify]: Extracting #1: cost 18 inf + 0
4.944 * * [simplify]: Extracting #2: cost 26 inf + 1
4.944 * * [simplify]: Extracting #3: cost 24 inf + 536
4.946 * * [simplify]: Extracting #4: cost 3 inf + 2222
4.948 * * [simplify]: Extracting #5: cost 0 inf + 2631
4.951 * [simplify]: Simplified to:
  (+ (/ (- y x) 2.0) x)
4.952 * * [progress]: iteration 1 / 4
4.952 * * * [progress]: picking best candidate
4.959 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
4.959 * * * [progress]: localizing error
4.974 * * * [progress]: generating rewritten candidates
4.974 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
5.009 * * * [progress]: generating series expansions
5.009 * * * * [progress]: [ 1 / 1 ] generating series at (2)
5.009 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
5.009 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
5.009 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
5.009 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
5.009 * [taylor]: Taking taylor expansion of 0.5 in y
5.009 * [backup-simplify]: Simplify 0.5 into 0.5
5.009 * [taylor]: Taking taylor expansion of x in y
5.009 * [backup-simplify]: Simplify x into x
5.009 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
5.009 * [taylor]: Taking taylor expansion of 0.5 in y
5.009 * [backup-simplify]: Simplify 0.5 into 0.5
5.009 * [taylor]: Taking taylor expansion of y in y
5.009 * [backup-simplify]: Simplify 0 into 0
5.009 * [backup-simplify]: Simplify 1 into 1
5.009 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
5.009 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
5.010 * [taylor]: Taking taylor expansion of 0.5 in x
5.010 * [backup-simplify]: Simplify 0.5 into 0.5
5.010 * [taylor]: Taking taylor expansion of x in x
5.010 * [backup-simplify]: Simplify 0 into 0
5.010 * [backup-simplify]: Simplify 1 into 1
5.010 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
5.010 * [taylor]: Taking taylor expansion of 0.5 in x
5.010 * [backup-simplify]: Simplify 0.5 into 0.5
5.010 * [taylor]: Taking taylor expansion of y in x
5.010 * [backup-simplify]: Simplify y into y
5.010 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
5.010 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
5.010 * [taylor]: Taking taylor expansion of 0.5 in x
5.010 * [backup-simplify]: Simplify 0.5 into 0.5
5.010 * [taylor]: Taking taylor expansion of x in x
5.010 * [backup-simplify]: Simplify 0 into 0
5.010 * [backup-simplify]: Simplify 1 into 1
5.010 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
5.010 * [taylor]: Taking taylor expansion of 0.5 in x
5.010 * [backup-simplify]: Simplify 0.5 into 0.5
5.010 * [taylor]: Taking taylor expansion of y in x
5.010 * [backup-simplify]: Simplify y into y
5.011 * [backup-simplify]: Simplify (* 0.5 0) into 0
5.011 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
5.011 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
5.011 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
5.011 * [taylor]: Taking taylor expansion of 0.5 in y
5.011 * [backup-simplify]: Simplify 0.5 into 0.5
5.011 * [taylor]: Taking taylor expansion of y in y
5.011 * [backup-simplify]: Simplify 0 into 0
5.011 * [backup-simplify]: Simplify 1 into 1
5.012 * [backup-simplify]: Simplify (* 0.5 0) into 0
5.012 * [backup-simplify]: Simplify 0 into 0
5.013 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
5.014 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
5.014 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
5.014 * [taylor]: Taking taylor expansion of 0.5 in y
5.014 * [backup-simplify]: Simplify 0.5 into 0.5
5.014 * [backup-simplify]: Simplify 0.5 into 0.5
5.016 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
5.016 * [backup-simplify]: Simplify 0.5 into 0.5
5.017 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
5.018 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
5.020 * [backup-simplify]: Simplify (+ 0 0) into 0
5.020 * [taylor]: Taking taylor expansion of 0 in y
5.020 * [backup-simplify]: Simplify 0 into 0
5.020 * [backup-simplify]: Simplify 0 into 0
5.020 * [backup-simplify]: Simplify 0 into 0
5.021 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
5.021 * [backup-simplify]: Simplify 0 into 0
5.022 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
5.022 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
5.023 * [backup-simplify]: Simplify (+ 0 0) into 0
5.023 * [taylor]: Taking taylor expansion of 0 in y
5.023 * [backup-simplify]: Simplify 0 into 0
5.023 * [backup-simplify]: Simplify 0 into 0
5.023 * [backup-simplify]: Simplify 0 into 0
5.023 * [backup-simplify]: Simplify 0 into 0
5.023 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
5.023 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
5.023 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0
5.023 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
5.023 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
5.023 * [taylor]: Taking taylor expansion of 0.5 in y
5.023 * [backup-simplify]: Simplify 0.5 into 0.5
5.023 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.023 * [taylor]: Taking taylor expansion of x in y
5.023 * [backup-simplify]: Simplify x into x
5.023 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.023 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
5.023 * [taylor]: Taking taylor expansion of 0.5 in y
5.023 * [backup-simplify]: Simplify 0.5 into 0.5
5.023 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.023 * [taylor]: Taking taylor expansion of y in y
5.023 * [backup-simplify]: Simplify 0 into 0
5.023 * [backup-simplify]: Simplify 1 into 1
5.024 * [backup-simplify]: Simplify (/ 1 1) into 1
5.024 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
5.024 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
5.024 * [taylor]: Taking taylor expansion of 0.5 in x
5.024 * [backup-simplify]: Simplify 0.5 into 0.5
5.024 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.024 * [taylor]: Taking taylor expansion of x in x
5.024 * [backup-simplify]: Simplify 0 into 0
5.024 * [backup-simplify]: Simplify 1 into 1
5.024 * [backup-simplify]: Simplify (/ 1 1) into 1
5.024 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
5.024 * [taylor]: Taking taylor expansion of 0.5 in x
5.024 * [backup-simplify]: Simplify 0.5 into 0.5
5.024 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.024 * [taylor]: Taking taylor expansion of y in x
5.024 * [backup-simplify]: Simplify y into y
5.024 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.024 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
5.024 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
5.024 * [taylor]: Taking taylor expansion of 0.5 in x
5.024 * [backup-simplify]: Simplify 0.5 into 0.5
5.024 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.024 * [taylor]: Taking taylor expansion of x in x
5.024 * [backup-simplify]: Simplify 0 into 0
5.024 * [backup-simplify]: Simplify 1 into 1
5.025 * [backup-simplify]: Simplify (/ 1 1) into 1
5.025 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
5.025 * [taylor]: Taking taylor expansion of 0.5 in x
5.025 * [backup-simplify]: Simplify 0.5 into 0.5
5.025 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.025 * [taylor]: Taking taylor expansion of y in x
5.025 * [backup-simplify]: Simplify y into y
5.025 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.025 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
5.025 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
5.025 * [taylor]: Taking taylor expansion of 0.5 in y
5.025 * [backup-simplify]: Simplify 0.5 into 0.5
5.026 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.026 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
5.026 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
5.027 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
5.027 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
5.027 * [taylor]: Taking taylor expansion of 0.5 in y
5.027 * [backup-simplify]: Simplify 0.5 into 0.5
5.027 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.027 * [taylor]: Taking taylor expansion of y in y
5.027 * [backup-simplify]: Simplify 0 into 0
5.027 * [backup-simplify]: Simplify 1 into 1
5.027 * [backup-simplify]: Simplify (/ 1 1) into 1
5.027 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
5.027 * [backup-simplify]: Simplify 0.5 into 0.5
5.027 * [backup-simplify]: Simplify 0.5 into 0.5
5.028 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.029 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
5.029 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
5.029 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
5.030 * [backup-simplify]: Simplify (+ 0 0) into 0
5.030 * [taylor]: Taking taylor expansion of 0 in y
5.030 * [backup-simplify]: Simplify 0 into 0
5.030 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.031 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
5.031 * [backup-simplify]: Simplify 0 into 0
5.031 * [backup-simplify]: Simplify 0 into 0
5.031 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.032 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
5.032 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
5.032 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
5.033 * [backup-simplify]: Simplify (+ 0 0) into 0
5.033 * [taylor]: Taking taylor expansion of 0 in y
5.033 * [backup-simplify]: Simplify 0 into 0
5.033 * [backup-simplify]: Simplify 0 into 0
5.033 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.034 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
5.034 * [backup-simplify]: Simplify 0 into 0
5.034 * [backup-simplify]: Simplify 0 into 0
5.035 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.035 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
5.035 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
5.036 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
5.037 * [backup-simplify]: Simplify (+ 0 0) into 0
5.037 * [taylor]: Taking taylor expansion of 0 in y
5.037 * [backup-simplify]: Simplify 0 into 0
5.037 * [backup-simplify]: Simplify 0 into 0
5.037 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
5.037 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))
5.037 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
5.037 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
5.037 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
5.037 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
5.037 * [taylor]: Taking taylor expansion of 0.5 in y
5.037 * [backup-simplify]: Simplify 0.5 into 0.5
5.037 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.037 * [taylor]: Taking taylor expansion of x in y
5.037 * [backup-simplify]: Simplify x into x
5.037 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.037 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
5.037 * [taylor]: Taking taylor expansion of 0.5 in y
5.037 * [backup-simplify]: Simplify 0.5 into 0.5
5.037 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.037 * [taylor]: Taking taylor expansion of y in y
5.037 * [backup-simplify]: Simplify 0 into 0
5.037 * [backup-simplify]: Simplify 1 into 1
5.038 * [backup-simplify]: Simplify (/ 1 1) into 1
5.038 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
5.038 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
5.038 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
5.038 * [taylor]: Taking taylor expansion of 0.5 in x
5.038 * [backup-simplify]: Simplify 0.5 into 0.5
5.038 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.038 * [taylor]: Taking taylor expansion of x in x
5.038 * [backup-simplify]: Simplify 0 into 0
5.038 * [backup-simplify]: Simplify 1 into 1
5.038 * [backup-simplify]: Simplify (/ 1 1) into 1
5.038 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
5.038 * [taylor]: Taking taylor expansion of 0.5 in x
5.038 * [backup-simplify]: Simplify 0.5 into 0.5
5.038 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.038 * [taylor]: Taking taylor expansion of y in x
5.038 * [backup-simplify]: Simplify y into y
5.038 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.038 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
5.038 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
5.038 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
5.038 * [taylor]: Taking taylor expansion of 0.5 in x
5.038 * [backup-simplify]: Simplify 0.5 into 0.5
5.038 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.038 * [taylor]: Taking taylor expansion of x in x
5.038 * [backup-simplify]: Simplify 0 into 0
5.038 * [backup-simplify]: Simplify 1 into 1
5.039 * [backup-simplify]: Simplify (/ 1 1) into 1
5.039 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
5.039 * [taylor]: Taking taylor expansion of 0.5 in x
5.039 * [backup-simplify]: Simplify 0.5 into 0.5
5.039 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.039 * [taylor]: Taking taylor expansion of y in x
5.039 * [backup-simplify]: Simplify y into y
5.039 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.039 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
5.039 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
5.040 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.040 * [taylor]: Taking taylor expansion of (- 0.5) in y
5.040 * [taylor]: Taking taylor expansion of 0.5 in y
5.040 * [backup-simplify]: Simplify 0.5 into 0.5
5.040 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.041 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
5.041 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
5.041 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
5.041 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
5.041 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
5.041 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
5.041 * [taylor]: Taking taylor expansion of 0.5 in y
5.041 * [backup-simplify]: Simplify 0.5 into 0.5
5.041 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.041 * [taylor]: Taking taylor expansion of y in y
5.041 * [backup-simplify]: Simplify 0 into 0
5.041 * [backup-simplify]: Simplify 1 into 1
5.042 * [backup-simplify]: Simplify (/ 1 1) into 1
5.042 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
5.042 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.045 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.046 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.046 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.047 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.047 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
5.047 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
5.048 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
5.048 * [backup-simplify]: Simplify (+ 0 0) into 0
5.048 * [backup-simplify]: Simplify (- 0) into 0
5.048 * [taylor]: Taking taylor expansion of 0 in y
5.048 * [backup-simplify]: Simplify 0 into 0
5.049 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.049 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
5.050 * [backup-simplify]: Simplify (- 0) into 0
5.050 * [backup-simplify]: Simplify 0 into 0
5.050 * [backup-simplify]: Simplify (- 0) into 0
5.050 * [backup-simplify]: Simplify 0 into 0
5.050 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.051 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
5.051 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
5.052 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
5.052 * [backup-simplify]: Simplify (+ 0 0) into 0
5.052 * [backup-simplify]: Simplify (- 0) into 0
5.052 * [taylor]: Taking taylor expansion of 0 in y
5.052 * [backup-simplify]: Simplify 0 into 0
5.052 * [backup-simplify]: Simplify 0 into 0
5.053 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.053 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
5.054 * [backup-simplify]: Simplify (- 0) into 0
5.054 * [backup-simplify]: Simplify 0 into 0
5.054 * [backup-simplify]: Simplify (- 0) into 0
5.054 * [backup-simplify]: Simplify 0 into 0
5.055 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.055 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
5.055 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
5.056 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
5.057 * [backup-simplify]: Simplify (+ 0 0) into 0
5.057 * [backup-simplify]: Simplify (- 0) into 0
5.057 * [taylor]: Taking taylor expansion of 0 in y
5.057 * [backup-simplify]: Simplify 0 into 0
5.057 * [backup-simplify]: Simplify 0 into 0
5.057 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
5.058 * * * [progress]: simplifying candidates
5.058 * [simplify]: Simplifying:
  (* (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))
5.058 * * [simplify]: iteration 0: 33 enodes
5.070 * * [simplify]: iteration 1: 92 enodes
5.111 * * [simplify]: iteration 2: 246 enodes
5.234 * * [simplify]: iteration 3: 736 enodes
5.927 * * [simplify]: iteration 4: 3909 enodes
6.947 * * [simplify]: iteration complete: 5000 enodes
6.947 * * [simplify]: Extracting #0: cost 13 inf + 0
6.948 * * [simplify]: Extracting #1: cost 204 inf + 0
6.950 * * [simplify]: Extracting #2: cost 951 inf + 3
6.964 * * [simplify]: Extracting #3: cost 1256 inf + 15143
7.009 * * [simplify]: Extracting #4: cost 656 inf + 161032
7.108 * * [simplify]: Extracting #5: cost 142 inf + 302080
7.248 * * [simplify]: Extracting #6: cost 40 inf + 331843
7.364 * * [simplify]: Extracting #7: cost 11 inf + 337779
7.480 * * [simplify]: Extracting #8: cost 0 inf + 340562
7.568 * [simplify]: Simplified to:
  (exp (+ x (/ (- y x) 2.0)))
  (log (+ (/ (- y x) 2.0) x))
  (exp (+ x (/ (- y x) 2.0)))
  (* (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))
  (+ (* (* x x) x) (* (/ (- y x) 2.0) (* (/ (- y x) 2.0) (/ (- y x) 2.0))))
  (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (- (/ (- y x) 2.0) x)))
  (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0)))
  (- x (/ (- y x) 2.0))
  (+ (/ (- y x) 2.0) x)
  (+ (/ y 2.0) x)
  (* 0.5 (+ x y))
  (* 0.5 (+ x y))
  (* 0.5 (+ x y))
7.569 * * * [progress]: adding candidates to table
7.652 * * [progress]: iteration 2 / 4
7.652 * * * [progress]: picking best candidate
7.658 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (+ x y)))>
7.658 * * * [progress]: localizing error
7.668 * * * [progress]: generating rewritten candidates
7.669 * * * [progress]: generating series expansions
7.669 * * * [progress]: simplifying candidates
7.669 * [simplify]: Simplifying:
  
7.669 * * [simplify]: iteration 0: 0 enodes
7.669 * * [simplify]: iteration complete: 0 enodes
7.669 * * [simplify]: Extracting #0: cost 0 inf + 0
7.669 * [simplify]: Simplified to:
  
7.669 * * * [progress]: adding candidates to table
7.669 * [progress]: [Phase 3 of 3] Extracting.
7.672 * [simplify]: Simplifying:
  (* 0.5 (+ x y))
7.673 * * [simplify]: iteration 0: 5 enodes
7.673 * * [simplify]: iteration 1: 7 enodes
7.673 * * [simplify]: iteration complete: 7 enodes
7.673 * * [simplify]: Extracting #0: cost 1 inf + 0
7.673 * * [simplify]: Extracting #1: cost 3 inf + 0
7.673 * * [simplify]: Extracting #2: cost 4 inf + 1
7.673 * * [simplify]: Extracting #3: cost 0 inf + 128
7.673 * [simplify]: Simplified to:
  (* (+ x y) 0.5)
8.425 * [regime-testing]: Baseline error score: 0
8.434 * [regime-testing]: Oracle error score: 0
8.434 * [regime-testing]: End program error score: 0
8.575 * [regime-testing]: Target error score: 0