81.277 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
0.022 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.022 * * [simplify]: iteration 0: 6 enodes
0.025 * * [simplify]: iteration 1: 12 enodes
0.034 * * [simplify]: iteration 2: 19 enodes
0.053 * * [simplify]: iteration 3: 28 enodes
0.079 * * [simplify]: iteration 4: 38 enodes
0.104 * * [simplify]: iteration 5: 54 enodes
0.144 * * [simplify]: iteration 6: 93 enodes
0.207 * * [simplify]: iteration 7: 143 enodes
0.251 * * [simplify]: iteration 8: 183 enodes
0.296 * * [simplify]: iteration 9: 235 enodes
0.358 * * [simplify]: iteration 10: 275 enodes
0.407 * * [simplify]: iteration 11: 327 enodes
0.478 * * [simplify]: iteration 12: 375 enodes
0.570 * * [simplify]: iteration 13: 459 enodes
0.670 * * [simplify]: iteration 14: 503 enodes
0.757 * * [simplify]: iteration 15: 570 enodes
0.851 * * [simplify]: iteration 16: 596 enodes
0.969 * * [simplify]: iteration 17: 633 enodes
1.048 * * [simplify]: iteration 18: 670 enodes
1.147 * * [simplify]: iteration 19: 718 enodes
1.235 * * [simplify]: iteration 20: 757 enodes
1.320 * * [simplify]: iteration 21: 804 enodes
1.400 * * [simplify]: iteration 22: 836 enodes
1.470 * * [simplify]: iteration 23: 881 enodes
1.542 * * [simplify]: iteration 24: 914 enodes
1.624 * * [simplify]: iteration 25: 961 enodes
1.699 * * [simplify]: iteration 26: 999 enodes
1.765 * * [simplify]: iteration 27: 1041 enodes
1.847 * * [simplify]: iteration 28: 1074 enodes
1.986 * * [simplify]: iteration 29: 1127 enodes
2.070 * * [simplify]: iteration 30: 1159 enodes
2.158 * * [simplify]: iteration 31: 1201 enodes
2.266 * * [simplify]: iteration 32: 1238 enodes
2.364 * * [simplify]: iteration 33: 1285 enodes
2.466 * * [simplify]: iteration 34: 1317 enodes
2.612 * * [simplify]: iteration 35: 1364 enodes
2.699 * * [simplify]: iteration 36: 1397 enodes
2.827 * * [simplify]: iteration 37: 1444 enodes
2.934 * * [simplify]: iteration 38: 1482 enodes
3.045 * * [simplify]: iteration 39: 1524 enodes
3.182 * * [simplify]: iteration 40: 1557 enodes
3.299 * * [simplify]: iteration 41: 1610 enodes
3.428 * * [simplify]: iteration 42: 1642 enodes
3.544 * * [simplify]: iteration 43: 1684 enodes
3.625 * * [simplify]: iteration 44: 1721 enodes
3.705 * * [simplify]: iteration 45: 1768 enodes
3.777 * * [simplify]: iteration 46: 1800 enodes
3.866 * * [simplify]: iteration 47: 1847 enodes
3.936 * * [simplify]: iteration 48: 1880 enodes
4.012 * * [simplify]: iteration 49: 1927 enodes
4.126 * * [simplify]: iteration 50: 1965 enodes
4.227 * * [simplify]: iteration 51: 2007 enodes
4.345 * * [simplify]: iteration 52: 2040 enodes
4.449 * * [simplify]: iteration 53: 2093 enodes
4.517 * * [simplify]: iteration 54: 2125 enodes
4.614 * * [simplify]: iteration 55: 2167 enodes
4.729 * * [simplify]: iteration 56: 2204 enodes
4.820 * * [simplify]: iteration 57: 2251 enodes
4.909 * * [simplify]: iteration 58: 2283 enodes
4.999 * * [simplify]: iteration 59: 2330 enodes
5.095 * * [simplify]: iteration 60: 2363 enodes
5.208 * * [simplify]: iteration 61: 2410 enodes
5.282 * * [simplify]: iteration 62: 2452 enodes
5.391 * * [simplify]: iteration 63: 2494 enodes
5.470 * * [simplify]: iteration 64: 2527 enodes
5.586 * * [simplify]: iteration 65: 2580 enodes
5.678 * * [simplify]: iteration 66: 2612 enodes
5.768 * * [simplify]: iteration 67: 2654 enodes
5.852 * * [simplify]: iteration 68: 2691 enodes
5.959 * * [simplify]: iteration 69: 2738 enodes
6.025 * * [simplify]: iteration 70: 2770 enodes
6.110 * * [simplify]: iteration 71: 2819 enodes
6.205 * * [simplify]: iteration 72: 2852 enodes
6.334 * * [simplify]: iteration 73: 2899 enodes
6.439 * * [simplify]: iteration 74: 2937 enodes
6.532 * * [simplify]: iteration 75: 2979 enodes
6.608 * * [simplify]: iteration 76: 3012 enodes
6.682 * * [simplify]: iteration 77: 3065 enodes
6.774 * * [simplify]: iteration 78: 3097 enodes
6.888 * * [simplify]: iteration 79: 3139 enodes
7.000 * * [simplify]: iteration 80: 3178 enodes
7.084 * * [simplify]: iteration 81: 3225 enodes
7.179 * * [simplify]: iteration 82: 3257 enodes
7.276 * * [simplify]: iteration 83: 3304 enodes
7.343 * * [simplify]: iteration 84: 3337 enodes
7.422 * * [simplify]: iteration 85: 3384 enodes
7.516 * * [simplify]: iteration 86: 3426 enodes
7.610 * * [simplify]: iteration 87: 3468 enodes
7.689 * * [simplify]: iteration 88: 3501 enodes
7.776 * * [simplify]: iteration 89: 3554 enodes
7.852 * * [simplify]: iteration 90: 3586 enodes
7.980 * * [simplify]: iteration 91: 3628 enodes
8.103 * * [simplify]: iteration 92: 3665 enodes
8.189 * * [simplify]: iteration 93: 3712 enodes
8.268 * * [simplify]: iteration 94: 3744 enodes
8.362 * * [simplify]: iteration 95: 3789 enodes
8.444 * * [simplify]: iteration 96: 3822 enodes
8.512 * * [simplify]: iteration 97: 3869 enodes
8.619 * * [simplify]: iteration 98: 3911 enodes
8.695 * * [simplify]: iteration 99: 3953 enodes
8.759 * * [simplify]: iteration 100: 3986 enodes
8.830 * * [simplify]: iteration 101: 4039 enodes
8.896 * * [simplify]: iteration 102: 4071 enodes
8.971 * * [simplify]: iteration 103: 4113 enodes
9.062 * * [simplify]: iteration 104: 4150 enodes
9.133 * * [simplify]: iteration 105: 4197 enodes
9.245 * * [simplify]: iteration 106: 4229 enodes
9.353 * * [simplify]: iteration 107: 4278 enodes
9.422 * * [simplify]: iteration 108: 4311 enodes
9.528 * * [simplify]: iteration 109: 4358 enodes
9.628 * * [simplify]: iteration 110: 4396 enodes
9.737 * * [simplify]: iteration 111: 4438 enodes
9.832 * * [simplify]: iteration 112: 4471 enodes
9.933 * * [simplify]: iteration 113: 4524 enodes
10.033 * * [simplify]: iteration 114: 4556 enodes
10.120 * * [simplify]: iteration 115: 4598 enodes
10.198 * * [simplify]: iteration 116: 4637 enodes
10.307 * * [simplify]: iteration 117: 4684 enodes
10.402 * * [simplify]: iteration 118: 4716 enodes
10.495 * * [simplify]: iteration 119: 4765 enodes
10.569 * * [simplify]: iteration 120: 4798 enodes
10.676 * * [simplify]: iteration 121: 4845 enodes
10.804 * * [simplify]: iteration 122: 4883 enodes
10.922 * * [simplify]: iteration 123: 4925 enodes
10.986 * * [simplify]: iteration 124: 4958 enodes
11.049 * * [simplify]: iteration complete: 5000 enodes
11.049 * * [simplify]: Extracting #0: cost 1 inf + 0
11.049 * * [simplify]: Extracting #1: cost 18 inf + 0
11.049 * * [simplify]: Extracting #2: cost 26 inf + 1
11.049 * * [simplify]: Extracting #3: cost 24 inf + 536
11.050 * * [simplify]: Extracting #4: cost 3 inf + 2222
11.052 * * [simplify]: Extracting #5: cost 0 inf + 2631
11.053 * [simplify]: Simplified to:
  (+ (/ (- y x) 2.0) x)
11.054 * * [progress]: iteration 1 / 4
11.054 * * * [progress]: picking best candidate
11.067 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
11.067 * * * [progress]: localizing error
11.089 * * * [progress]: generating rewritten candidates
11.089 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
11.121 * * * [progress]: generating series expansions
11.121 * * * * [progress]: [ 1 / 1 ] generating series at (2)
11.121 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
11.121 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
11.121 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
11.121 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
11.121 * [taylor]: Taking taylor expansion of 0.5 in y
11.121 * [backup-simplify]: Simplify 0.5 into 0.5
11.121 * [taylor]: Taking taylor expansion of x in y
11.121 * [backup-simplify]: Simplify x into x
11.121 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
11.121 * [taylor]: Taking taylor expansion of 0.5 in y
11.122 * [backup-simplify]: Simplify 0.5 into 0.5
11.122 * [taylor]: Taking taylor expansion of y in y
11.122 * [backup-simplify]: Simplify 0 into 0
11.122 * [backup-simplify]: Simplify 1 into 1
11.122 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
11.122 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
11.122 * [taylor]: Taking taylor expansion of 0.5 in x
11.122 * [backup-simplify]: Simplify 0.5 into 0.5
11.122 * [taylor]: Taking taylor expansion of x in x
11.122 * [backup-simplify]: Simplify 0 into 0
11.122 * [backup-simplify]: Simplify 1 into 1
11.122 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
11.122 * [taylor]: Taking taylor expansion of 0.5 in x
11.122 * [backup-simplify]: Simplify 0.5 into 0.5
11.122 * [taylor]: Taking taylor expansion of y in x
11.122 * [backup-simplify]: Simplify y into y
11.122 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
11.122 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
11.122 * [taylor]: Taking taylor expansion of 0.5 in x
11.122 * [backup-simplify]: Simplify 0.5 into 0.5
11.122 * [taylor]: Taking taylor expansion of x in x
11.122 * [backup-simplify]: Simplify 0 into 0
11.122 * [backup-simplify]: Simplify 1 into 1
11.122 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
11.122 * [taylor]: Taking taylor expansion of 0.5 in x
11.122 * [backup-simplify]: Simplify 0.5 into 0.5
11.122 * [taylor]: Taking taylor expansion of y in x
11.122 * [backup-simplify]: Simplify y into y
11.123 * [backup-simplify]: Simplify (* 0.5 0) into 0
11.123 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
11.123 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
11.123 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
11.123 * [taylor]: Taking taylor expansion of 0.5 in y
11.123 * [backup-simplify]: Simplify 0.5 into 0.5
11.123 * [taylor]: Taking taylor expansion of y in y
11.123 * [backup-simplify]: Simplify 0 into 0
11.123 * [backup-simplify]: Simplify 1 into 1
11.124 * [backup-simplify]: Simplify (* 0.5 0) into 0
11.124 * [backup-simplify]: Simplify 0 into 0
11.125 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
11.126 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
11.126 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
11.126 * [taylor]: Taking taylor expansion of 0.5 in y
11.126 * [backup-simplify]: Simplify 0.5 into 0.5
11.126 * [backup-simplify]: Simplify 0.5 into 0.5
11.128 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
11.128 * [backup-simplify]: Simplify 0.5 into 0.5
11.129 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
11.130 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
11.130 * [backup-simplify]: Simplify (+ 0 0) into 0
11.130 * [taylor]: Taking taylor expansion of 0 in y
11.130 * [backup-simplify]: Simplify 0 into 0
11.130 * [backup-simplify]: Simplify 0 into 0
11.131 * [backup-simplify]: Simplify 0 into 0
11.132 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
11.132 * [backup-simplify]: Simplify 0 into 0
11.133 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
11.134 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
11.134 * [backup-simplify]: Simplify (+ 0 0) into 0
11.134 * [taylor]: Taking taylor expansion of 0 in y
11.134 * [backup-simplify]: Simplify 0 into 0
11.134 * [backup-simplify]: Simplify 0 into 0
11.134 * [backup-simplify]: Simplify 0 into 0
11.134 * [backup-simplify]: Simplify 0 into 0
11.135 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
11.135 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
11.135 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0
11.135 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
11.135 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
11.135 * [taylor]: Taking taylor expansion of 0.5 in y
11.135 * [backup-simplify]: Simplify 0.5 into 0.5
11.135 * [taylor]: Taking taylor expansion of (/ 1 x) in y
11.135 * [taylor]: Taking taylor expansion of x in y
11.135 * [backup-simplify]: Simplify x into x
11.135 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
11.135 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
11.135 * [taylor]: Taking taylor expansion of 0.5 in y
11.135 * [backup-simplify]: Simplify 0.5 into 0.5
11.135 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.135 * [taylor]: Taking taylor expansion of y in y
11.135 * [backup-simplify]: Simplify 0 into 0
11.135 * [backup-simplify]: Simplify 1 into 1
11.136 * [backup-simplify]: Simplify (/ 1 1) into 1
11.136 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
11.136 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
11.136 * [taylor]: Taking taylor expansion of 0.5 in x
11.136 * [backup-simplify]: Simplify 0.5 into 0.5
11.136 * [taylor]: Taking taylor expansion of (/ 1 x) in x
11.136 * [taylor]: Taking taylor expansion of x in x
11.136 * [backup-simplify]: Simplify 0 into 0
11.136 * [backup-simplify]: Simplify 1 into 1
11.136 * [backup-simplify]: Simplify (/ 1 1) into 1
11.136 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
11.136 * [taylor]: Taking taylor expansion of 0.5 in x
11.136 * [backup-simplify]: Simplify 0.5 into 0.5
11.136 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.136 * [taylor]: Taking taylor expansion of y in x
11.136 * [backup-simplify]: Simplify y into y
11.136 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
11.136 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
11.136 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
11.136 * [taylor]: Taking taylor expansion of 0.5 in x
11.136 * [backup-simplify]: Simplify 0.5 into 0.5
11.136 * [taylor]: Taking taylor expansion of (/ 1 x) in x
11.136 * [taylor]: Taking taylor expansion of x in x
11.136 * [backup-simplify]: Simplify 0 into 0
11.136 * [backup-simplify]: Simplify 1 into 1
11.137 * [backup-simplify]: Simplify (/ 1 1) into 1
11.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
11.137 * [taylor]: Taking taylor expansion of 0.5 in x
11.137 * [backup-simplify]: Simplify 0.5 into 0.5
11.137 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.137 * [taylor]: Taking taylor expansion of y in x
11.137 * [backup-simplify]: Simplify y into y
11.137 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
11.137 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
11.137 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
11.137 * [taylor]: Taking taylor expansion of 0.5 in y
11.137 * [backup-simplify]: Simplify 0.5 into 0.5
11.138 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.138 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
11.139 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
11.139 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
11.139 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
11.139 * [taylor]: Taking taylor expansion of 0.5 in y
11.139 * [backup-simplify]: Simplify 0.5 into 0.5
11.139 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.139 * [taylor]: Taking taylor expansion of y in y
11.139 * [backup-simplify]: Simplify 0 into 0
11.139 * [backup-simplify]: Simplify 1 into 1
11.139 * [backup-simplify]: Simplify (/ 1 1) into 1
11.139 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
11.139 * [backup-simplify]: Simplify 0.5 into 0.5
11.139 * [backup-simplify]: Simplify 0.5 into 0.5
11.140 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.141 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
11.141 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
11.141 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
11.141 * [backup-simplify]: Simplify (+ 0 0) into 0
11.141 * [taylor]: Taking taylor expansion of 0 in y
11.141 * [backup-simplify]: Simplify 0 into 0
11.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.142 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
11.142 * [backup-simplify]: Simplify 0 into 0
11.143 * [backup-simplify]: Simplify 0 into 0
11.143 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.144 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
11.144 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
11.145 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
11.145 * [backup-simplify]: Simplify (+ 0 0) into 0
11.145 * [taylor]: Taking taylor expansion of 0 in y
11.145 * [backup-simplify]: Simplify 0 into 0
11.145 * [backup-simplify]: Simplify 0 into 0
11.146 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.146 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
11.146 * [backup-simplify]: Simplify 0 into 0
11.146 * [backup-simplify]: Simplify 0 into 0
11.147 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.148 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
11.148 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
11.149 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
11.149 * [backup-simplify]: Simplify (+ 0 0) into 0
11.150 * [taylor]: Taking taylor expansion of 0 in y
11.150 * [backup-simplify]: Simplify 0 into 0
11.150 * [backup-simplify]: Simplify 0 into 0
11.150 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
11.150 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))
11.150 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
11.150 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
11.150 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
11.150 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
11.150 * [taylor]: Taking taylor expansion of 0.5 in y
11.150 * [backup-simplify]: Simplify 0.5 into 0.5
11.150 * [taylor]: Taking taylor expansion of (/ 1 x) in y
11.150 * [taylor]: Taking taylor expansion of x in y
11.151 * [backup-simplify]: Simplify x into x
11.151 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
11.151 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
11.151 * [taylor]: Taking taylor expansion of 0.5 in y
11.151 * [backup-simplify]: Simplify 0.5 into 0.5
11.151 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.151 * [taylor]: Taking taylor expansion of y in y
11.151 * [backup-simplify]: Simplify 0 into 0
11.151 * [backup-simplify]: Simplify 1 into 1
11.151 * [backup-simplify]: Simplify (/ 1 1) into 1
11.151 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
11.151 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
11.151 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
11.151 * [taylor]: Taking taylor expansion of 0.5 in x
11.151 * [backup-simplify]: Simplify 0.5 into 0.5
11.151 * [taylor]: Taking taylor expansion of (/ 1 x) in x
11.151 * [taylor]: Taking taylor expansion of x in x
11.151 * [backup-simplify]: Simplify 0 into 0
11.151 * [backup-simplify]: Simplify 1 into 1
11.151 * [backup-simplify]: Simplify (/ 1 1) into 1
11.151 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
11.151 * [taylor]: Taking taylor expansion of 0.5 in x
11.151 * [backup-simplify]: Simplify 0.5 into 0.5
11.152 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.152 * [taylor]: Taking taylor expansion of y in x
11.152 * [backup-simplify]: Simplify y into y
11.152 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
11.152 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
11.152 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
11.152 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
11.152 * [taylor]: Taking taylor expansion of 0.5 in x
11.152 * [backup-simplify]: Simplify 0.5 into 0.5
11.152 * [taylor]: Taking taylor expansion of (/ 1 x) in x
11.152 * [taylor]: Taking taylor expansion of x in x
11.152 * [backup-simplify]: Simplify 0 into 0
11.152 * [backup-simplify]: Simplify 1 into 1
11.152 * [backup-simplify]: Simplify (/ 1 1) into 1
11.152 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
11.152 * [taylor]: Taking taylor expansion of 0.5 in x
11.152 * [backup-simplify]: Simplify 0.5 into 0.5
11.152 * [taylor]: Taking taylor expansion of (/ 1 y) in x
11.152 * [taylor]: Taking taylor expansion of y in x
11.152 * [backup-simplify]: Simplify y into y
11.152 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
11.153 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
11.153 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
11.153 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
11.153 * [taylor]: Taking taylor expansion of (- 0.5) in y
11.153 * [taylor]: Taking taylor expansion of 0.5 in y
11.153 * [backup-simplify]: Simplify 0.5 into 0.5
11.154 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.154 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
11.154 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
11.154 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
11.154 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
11.155 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
11.155 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
11.155 * [taylor]: Taking taylor expansion of 0.5 in y
11.155 * [backup-simplify]: Simplify 0.5 into 0.5
11.155 * [taylor]: Taking taylor expansion of (/ 1 y) in y
11.155 * [taylor]: Taking taylor expansion of y in y
11.155 * [backup-simplify]: Simplify 0 into 0
11.155 * [backup-simplify]: Simplify 1 into 1
11.155 * [backup-simplify]: Simplify (/ 1 1) into 1
11.155 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
11.155 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
11.156 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
11.156 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
11.159 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
11.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.161 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
11.161 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
11.162 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
11.162 * [backup-simplify]: Simplify (+ 0 0) into 0
11.163 * [backup-simplify]: Simplify (- 0) into 0
11.163 * [taylor]: Taking taylor expansion of 0 in y
11.163 * [backup-simplify]: Simplify 0 into 0
11.164 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.164 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
11.165 * [backup-simplify]: Simplify (- 0) into 0
11.165 * [backup-simplify]: Simplify 0 into 0
11.165 * [backup-simplify]: Simplify (- 0) into 0
11.165 * [backup-simplify]: Simplify 0 into 0
11.167 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.168 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
11.168 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
11.170 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
11.170 * [backup-simplify]: Simplify (+ 0 0) into 0
11.170 * [backup-simplify]: Simplify (- 0) into 0
11.171 * [taylor]: Taking taylor expansion of 0 in y
11.171 * [backup-simplify]: Simplify 0 into 0
11.171 * [backup-simplify]: Simplify 0 into 0
11.172 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.173 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
11.174 * [backup-simplify]: Simplify (- 0) into 0
11.174 * [backup-simplify]: Simplify 0 into 0
11.174 * [backup-simplify]: Simplify (- 0) into 0
11.174 * [backup-simplify]: Simplify 0 into 0
11.176 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.177 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
11.178 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
11.180 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
11.180 * [backup-simplify]: Simplify (+ 0 0) into 0
11.181 * [backup-simplify]: Simplify (- 0) into 0
11.181 * [taylor]: Taking taylor expansion of 0 in y
11.181 * [backup-simplify]: Simplify 0 into 0
11.181 * [backup-simplify]: Simplify 0 into 0
11.182 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
11.182 * * * [progress]: simplifying candidates
11.182 * * * * [progress]: [ 1 / 22 ] simplifiying candidate #<alt (λ (x y) (posit16->real (real->posit16 (+ x (/ (- y x) 2.0)))))>
11.182 * * * * [progress]: [ 2 / 22 ] simplifiying candidate #<alt (λ (x y) (log1p (expm1 (+ x (/ (- y x) 2.0)))))>
11.182 * * * * [progress]: [ 3 / 22 ] simplifiying candidate #<alt (λ (x y) (expm1 (log1p (+ x (/ (- y x) 2.0)))))>
11.182 * * * * [progress]: [ 4 / 22 ] simplifiying candidate #<alt (λ (x y) (fma (* (cbrt x) (cbrt x)) (cbrt x) (/ (- y x) 2.0)))>
11.182 * * * * [progress]: [ 5 / 22 ] simplifiying candidate #<alt (λ (x y) (fma (sqrt x) (sqrt x) (/ (- y x) 2.0)))>
11.182 * * * * [progress]: [ 6 / 22 ] simplifiying candidate #<alt (λ (x y) (fma 1 x (/ (- y x) 2.0)))>
11.182 * * * * [progress]: [ 7 / 22 ] simplifiying candidate #<alt (λ (x y) (log (* (exp x) (exp (/ (- y x) 2.0)))))>
11.182 * * * * [progress]: [ 8 / 22 ] simplifiying candidate #<alt (λ (x y) (pow (+ x (/ (- y x) 2.0)) 1))>
11.182 * * * * [progress]: [ 9 / 22 ] simplifiying candidate #<alt (λ (x y) (exp (log (+ x (/ (- y x) 2.0)))))>
11.182 * * * * [progress]: [ 10 / 22 ] simplifiying candidate #<alt (λ (x y) (log (exp (+ x (/ (- y x) 2.0)))))>
11.183 * * * * [progress]: [ 11 / 22 ] simplifiying candidate #<alt (λ (x y) (* (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0)))) (cbrt (+ x (/ (- y x) 2.0)))))>
11.183 * * * * [progress]: [ 12 / 22 ] simplifiying candidate #<alt (λ (x y) (cbrt (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0)))))>
11.183 * * * * [progress]: [ 13 / 22 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0)))))>
11.183 * * * * [progress]: [ 14 / 22 ] simplifiying candidate #<alt (λ (x y) (/ (+ (pow x 3) (pow (/ (- y x) 2.0) 3)) (+ (* x x) (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (/ (- y x) 2.0))))))>
11.183 * * * * [progress]: [ 15 / 22 ] simplifiying candidate #<alt (λ (x y) (* 1 (+ x (/ (- y x) 2.0))))>
11.183 * * * * [progress]: [ 16 / 22 ] simplifiying candidate #<alt (λ (x y) (/ (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0))) (- x (/ (- y x) 2.0))))>
11.183 * * * * [progress]: [ 17 / 22 ] simplifiying candidate #<alt (λ (x y) (* 1 (+ x (/ (- y x) 2.0))))>
11.183 * * * * [progress]: [ 18 / 22 ] simplifiying candidate #<alt (λ (x y) (- (+ x (/ y 2.0)) (/ x 2.0)))>
11.183 * * * * [progress]: [ 19 / 22 ] simplifiying candidate #<alt (λ (x y) (+ (/ (- y x) 2.0) x))>
11.183 * * * * [progress]: [ 20 / 22 ] simplifiying candidate #<alt (λ (x y) (+ (* 0.5 x) (* 0.5 y)))>
11.183 * * * * [progress]: [ 21 / 22 ] simplifiying candidate #<alt (λ (x y) (+ (* 0.5 x) (* 0.5 y)))>
11.183 * * * * [progress]: [ 22 / 22 ] simplifiying candidate #<alt (λ (x y) (+ (* 0.5 x) (* 0.5 y)))>
11.183 * [simplify]: Simplifying:
  (real->posit16 (+ x (/ (- y x) 2.0)))
  (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))
11.184 * * [simplify]: iteration 0: 36 enodes
11.210 * * [simplify]: iteration 1: 99 enodes
11.294 * * [simplify]: iteration 2: 268 enodes
11.544 * * [simplify]: iteration 3: 805 enodes
13.269 * * [simplify]: iteration 4: 4134 enodes
16.520 * * [simplify]: iteration complete: 5000 enodes
16.520 * * [simplify]: Extracting #0: cost 16 inf + 0
16.522 * * [simplify]: Extracting #1: cost 218 inf + 0
16.527 * * [simplify]: Extracting #2: cost 910 inf + 45
16.538 * * [simplify]: Extracting #3: cost 1135 inf + 8716
16.567 * * [simplify]: Extracting #4: cost 549 inf + 131492
16.651 * * [simplify]: Extracting #5: cost 29 inf + 255578
16.755 * * [simplify]: Extracting #6: cost 0 inf + 260784
16.864 * * [simplify]: Extracting #7: cost 0 inf + 260704
16.948 * [simplify]: Simplified to:
  (real->posit16 (+ (/ (- y x) 2.0) x))
  (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 (/ (- y x) 2.0) (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (* x x)))
  (fma (/ (- y x) 2.0) (- (/ (- y x) 2.0) x) (* x x))
  (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0)))
  (+ x (/ (- x y) 2.0))
  (+ (/ (- y x) 2.0) x)
  (+ x (/ y 2.0))
  (* 0.5 (+ y x))
  (* 0.5 (+ y x))
  (* 0.5 (+ y x))
16.948 * * * [progress]: adding candidates to table
17.157 * * [progress]: iteration 2 / 4
17.157 * * * [progress]: picking best candidate
17.171 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (+ y x)))>
17.171 * * * [progress]: localizing error
17.180 * * * [progress]: generating rewritten candidates
17.181 * * * [progress]: generating series expansions
17.181 * * * [progress]: simplifying candidates
17.181 * [simplify]: Simplifying:
  
17.181 * * [simplify]: iteration 0: 0 enodes
17.181 * * [simplify]: iteration complete: 0 enodes
17.181 * * [simplify]: Extracting #0: cost 0 inf + 0
17.181 * [simplify]: Simplified to:
  
17.181 * * * [progress]: adding candidates to table
17.182 * [progress]: [Phase 3 of 3] Extracting.
17.190 * [simplify]: Simplifying:
  (* 0.5 (+ y x))
17.190 * * [simplify]: iteration 0: 5 enodes
17.191 * * [simplify]: iteration 1: 7 enodes
17.191 * * [simplify]: iteration complete: 7 enodes
17.191 * * [simplify]: Extracting #0: cost 1 inf + 0
17.191 * * [simplify]: Extracting #1: cost 3 inf + 0
17.191 * * [simplify]: Extracting #2: cost 4 inf + 1
17.191 * * [simplify]: Extracting #3: cost 0 inf + 128
17.191 * [simplify]: Simplified to:
  (* (+ y x) 0.5)
18.747 * [regime-testing]: Baseline error score: 0
18.774 * [regime-testing]: Oracle error score: 0
18.774 * [regime-testing]: End program error score: 0
19.098 * [regime-testing]: Target error score: 0