8.064 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.030 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.030 * * [simplify]: iteration 0: 6 enodes
0.032 * * [simplify]: iteration 1: 12 enodes
0.035 * * [simplify]: iteration 2: 19 enodes
0.040 * * [simplify]: iteration 3: 28 enodes
0.047 * * [simplify]: iteration 4: 38 enodes
0.056 * * [simplify]: iteration 5: 54 enodes
0.069 * * [simplify]: iteration 6: 93 enodes
0.083 * * [simplify]: iteration 7: 143 enodes
0.096 * * [simplify]: iteration 8: 183 enodes
0.110 * * [simplify]: iteration 9: 235 enodes
0.127 * * [simplify]: iteration 10: 275 enodes
0.143 * * [simplify]: iteration 11: 327 enodes
0.167 * * [simplify]: iteration 12: 375 enodes
0.198 * * [simplify]: iteration 13: 459 enodes
0.228 * * [simplify]: iteration 14: 503 enodes
0.264 * * [simplify]: iteration 15: 570 enodes
0.293 * * [simplify]: iteration 16: 596 enodes
0.331 * * [simplify]: iteration 17: 633 enodes
0.360 * * [simplify]: iteration 18: 670 enodes
0.402 * * [simplify]: iteration 19: 718 enodes
0.450 * * [simplify]: iteration 20: 757 enodes
0.502 * * [simplify]: iteration 21: 804 enodes
0.538 * * [simplify]: iteration 22: 836 enodes
0.571 * * [simplify]: iteration 23: 881 enodes
0.599 * * [simplify]: iteration 24: 914 enodes
0.631 * * [simplify]: iteration 25: 961 enodes
0.660 * * [simplify]: iteration 26: 999 enodes
0.692 * * [simplify]: iteration 27: 1041 enodes
0.722 * * [simplify]: iteration 28: 1074 enodes
0.773 * * [simplify]: iteration 29: 1127 enodes
0.800 * * [simplify]: iteration 30: 1159 enodes
0.851 * * [simplify]: iteration 31: 1201 enodes
0.885 * * [simplify]: iteration 32: 1238 enodes
0.928 * * [simplify]: iteration 33: 1285 enodes
0.966 * * [simplify]: iteration 34: 1317 enodes
0.998 * * [simplify]: iteration 35: 1364 enodes
1.028 * * [simplify]: iteration 36: 1397 enodes
1.059 * * [simplify]: iteration 37: 1444 enodes
1.090 * * [simplify]: iteration 38: 1482 enodes
1.121 * * [simplify]: iteration 39: 1524 enodes
1.171 * * [simplify]: iteration 40: 1557 enodes
1.221 * * [simplify]: iteration 41: 1610 enodes
1.249 * * [simplify]: iteration 42: 1642 enodes
1.283 * * [simplify]: iteration 43: 1684 enodes
1.324 * * [simplify]: iteration 44: 1721 enodes
1.366 * * [simplify]: iteration 45: 1768 enodes
1.397 * * [simplify]: iteration 46: 1800 enodes
1.457 * * [simplify]: iteration 47: 1847 enodes
1.506 * * [simplify]: iteration 48: 1880 enodes
1.546 * * [simplify]: iteration 49: 1927 enodes
1.576 * * [simplify]: iteration 50: 1965 enodes
1.617 * * [simplify]: iteration 51: 2007 enodes
1.646 * * [simplify]: iteration 52: 2040 enodes
1.682 * * [simplify]: iteration 53: 2093 enodes
1.710 * * [simplify]: iteration 54: 2125 enodes
1.747 * * [simplify]: iteration 55: 2167 enodes
1.793 * * [simplify]: iteration 56: 2204 enodes
1.826 * * [simplify]: iteration 57: 2251 enodes
1.855 * * [simplify]: iteration 58: 2283 enodes
1.888 * * [simplify]: iteration 59: 2330 enodes
1.917 * * [simplify]: iteration 60: 2363 enodes
1.948 * * [simplify]: iteration 61: 2410 enodes
1.999 * * [simplify]: iteration 62: 2452 enodes
2.052 * * [simplify]: iteration 63: 2494 enodes
2.084 * * [simplify]: iteration 64: 2527 enodes
2.121 * * [simplify]: iteration 65: 2580 enodes
2.148 * * [simplify]: iteration 66: 2612 enodes
2.182 * * [simplify]: iteration 67: 2654 enodes
2.213 * * [simplify]: iteration 68: 2691 enodes
2.262 * * [simplify]: iteration 69: 2738 enodes
2.301 * * [simplify]: iteration 70: 2770 enodes
2.335 * * [simplify]: iteration 71: 2819 enodes
2.363 * * [simplify]: iteration 72: 2852 enodes
2.400 * * [simplify]: iteration 73: 2899 enodes
2.429 * * [simplify]: iteration 74: 2937 enodes
2.461 * * [simplify]: iteration 75: 2979 enodes
2.489 * * [simplify]: iteration 76: 3012 enodes
2.526 * * [simplify]: iteration 77: 3065 enodes
2.555 * * [simplify]: iteration 78: 3097 enodes
2.589 * * [simplify]: iteration 79: 3139 enodes
2.622 * * [simplify]: iteration 80: 3178 enodes
2.656 * * [simplify]: iteration 81: 3225 enodes
2.685 * * [simplify]: iteration 82: 3257 enodes
2.718 * * [simplify]: iteration 83: 3304 enodes
2.756 * * [simplify]: iteration 84: 3337 enodes
2.797 * * [simplify]: iteration 85: 3384 enodes
2.836 * * [simplify]: iteration 86: 3426 enodes
2.869 * * [simplify]: iteration 87: 3468 enodes
2.912 * * [simplify]: iteration 88: 3501 enodes
2.962 * * [simplify]: iteration 89: 3554 enodes
2.990 * * [simplify]: iteration 90: 3586 enodes
3.027 * * [simplify]: iteration 91: 3628 enodes
3.070 * * [simplify]: iteration 92: 3665 enodes
3.118 * * [simplify]: iteration 93: 3712 enodes
3.160 * * [simplify]: iteration 94: 3744 enodes
3.197 * * [simplify]: iteration 95: 3789 enodes
3.228 * * [simplify]: iteration 96: 3822 enodes
3.270 * * [simplify]: iteration 97: 3869 enodes
3.309 * * [simplify]: iteration 98: 3911 enodes
3.349 * * [simplify]: iteration 99: 3953 enodes
3.391 * * [simplify]: iteration 100: 3986 enodes
3.441 * * [simplify]: iteration 101: 4039 enodes
3.482 * * [simplify]: iteration 102: 4071 enodes
3.530 * * [simplify]: iteration 103: 4113 enodes
3.574 * * [simplify]: iteration 104: 4150 enodes
3.617 * * [simplify]: iteration 105: 4197 enodes
3.648 * * [simplify]: iteration 106: 4229 enodes
3.681 * * [simplify]: iteration 107: 4278 enodes
3.712 * * [simplify]: iteration 108: 4311 enodes
3.756 * * [simplify]: iteration 109: 4358 enodes
3.796 * * [simplify]: iteration 110: 4396 enodes
3.834 * * [simplify]: iteration 111: 4438 enodes
3.865 * * [simplify]: iteration 112: 4471 enodes
3.915 * * [simplify]: iteration 113: 4524 enodes
3.953 * * [simplify]: iteration 114: 4556 enodes
4.000 * * [simplify]: iteration 115: 4598 enodes
4.035 * * [simplify]: iteration 116: 4637 enodes
4.067 * * [simplify]: iteration 117: 4684 enodes
4.096 * * [simplify]: iteration 118: 4716 enodes
4.137 * * [simplify]: iteration 119: 4765 enodes
4.178 * * [simplify]: iteration 120: 4798 enodes
4.225 * * [simplify]: iteration 121: 4845 enodes
4.269 * * [simplify]: iteration 122: 4883 enodes
4.312 * * [simplify]: iteration 123: 4925 enodes
4.350 * * [simplify]: iteration 124: 4958 enodes
4.369 * * [simplify]: iteration complete: 5000 enodes
4.369 * * [simplify]: Extracting #0: cost 1 inf + 0
4.369 * * [simplify]: Extracting #1: cost 18 inf + 0
4.369 * * [simplify]: Extracting #2: cost 26 inf + 1
4.370 * * [simplify]: Extracting #3: cost 24 inf + 536
4.371 * * [simplify]: Extracting #4: cost 3 inf + 2222
4.372 * * [simplify]: Extracting #5: cost 0 inf + 2631
4.374 * [simplify]: Simplified to:
  (+ (/ (- y x) 2.0) x)
4.375 * * [progress]: iteration 1 / 4
4.375 * * * [progress]: picking best candidate
4.379 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
4.379 * * * [progress]: localizing error
4.389 * * * [progress]: generating rewritten candidates
4.389 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.418 * * * [progress]: generating series expansions
4.418 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.418 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
4.419 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
4.419 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
4.419 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
4.419 * [taylor]: Taking taylor expansion of 0.5 in y
4.419 * [backup-simplify]: Simplify 0.5 into 0.5
4.419 * [taylor]: Taking taylor expansion of x in y
4.419 * [backup-simplify]: Simplify x into x
4.419 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
4.419 * [taylor]: Taking taylor expansion of 0.5 in y
4.419 * [backup-simplify]: Simplify 0.5 into 0.5
4.419 * [taylor]: Taking taylor expansion of y in y
4.419 * [backup-simplify]: Simplify 0 into 0
4.419 * [backup-simplify]: Simplify 1 into 1
4.419 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
4.419 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
4.419 * [taylor]: Taking taylor expansion of 0.5 in x
4.419 * [backup-simplify]: Simplify 0.5 into 0.5
4.419 * [taylor]: Taking taylor expansion of x in x
4.419 * [backup-simplify]: Simplify 0 into 0
4.419 * [backup-simplify]: Simplify 1 into 1
4.419 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
4.419 * [taylor]: Taking taylor expansion of 0.5 in x
4.419 * [backup-simplify]: Simplify 0.5 into 0.5
4.419 * [taylor]: Taking taylor expansion of y in x
4.419 * [backup-simplify]: Simplify y into y
4.419 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
4.419 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
4.419 * [taylor]: Taking taylor expansion of 0.5 in x
4.419 * [backup-simplify]: Simplify 0.5 into 0.5
4.419 * [taylor]: Taking taylor expansion of x in x
4.419 * [backup-simplify]: Simplify 0 into 0
4.419 * [backup-simplify]: Simplify 1 into 1
4.419 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
4.419 * [taylor]: Taking taylor expansion of 0.5 in x
4.419 * [backup-simplify]: Simplify 0.5 into 0.5
4.419 * [taylor]: Taking taylor expansion of y in x
4.419 * [backup-simplify]: Simplify y into y
4.420 * [backup-simplify]: Simplify (* 0.5 0) into 0
4.420 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
4.420 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
4.420 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
4.420 * [taylor]: Taking taylor expansion of 0.5 in y
4.420 * [backup-simplify]: Simplify 0.5 into 0.5
4.420 * [taylor]: Taking taylor expansion of y in y
4.420 * [backup-simplify]: Simplify 0 into 0
4.420 * [backup-simplify]: Simplify 1 into 1
4.421 * [backup-simplify]: Simplify (* 0.5 0) into 0
4.421 * [backup-simplify]: Simplify 0 into 0
4.422 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
4.422 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
4.423 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
4.423 * [taylor]: Taking taylor expansion of 0.5 in y
4.423 * [backup-simplify]: Simplify 0.5 into 0.5
4.423 * [backup-simplify]: Simplify 0.5 into 0.5
4.424 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
4.424 * [backup-simplify]: Simplify 0.5 into 0.5
4.425 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
4.425 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
4.426 * [backup-simplify]: Simplify (+ 0 0) into 0
4.426 * [taylor]: Taking taylor expansion of 0 in y
4.426 * [backup-simplify]: Simplify 0 into 0
4.426 * [backup-simplify]: Simplify 0 into 0
4.426 * [backup-simplify]: Simplify 0 into 0
4.426 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
4.426 * [backup-simplify]: Simplify 0 into 0
4.427 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
4.428 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
4.429 * [backup-simplify]: Simplify (+ 0 0) into 0
4.429 * [taylor]: Taking taylor expansion of 0 in y
4.429 * [backup-simplify]: Simplify 0 into 0
4.429 * [backup-simplify]: Simplify 0 into 0
4.429 * [backup-simplify]: Simplify 0 into 0
4.429 * [backup-simplify]: Simplify 0 into 0
4.429 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
4.429 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
4.429 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0
4.429 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
4.429 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
4.429 * [taylor]: Taking taylor expansion of 0.5 in y
4.429 * [backup-simplify]: Simplify 0.5 into 0.5
4.429 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.429 * [taylor]: Taking taylor expansion of x in y
4.429 * [backup-simplify]: Simplify x into x
4.429 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.429 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.429 * [taylor]: Taking taylor expansion of 0.5 in y
4.429 * [backup-simplify]: Simplify 0.5 into 0.5
4.429 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.429 * [taylor]: Taking taylor expansion of y in y
4.429 * [backup-simplify]: Simplify 0 into 0
4.430 * [backup-simplify]: Simplify 1 into 1
4.430 * [backup-simplify]: Simplify (/ 1 1) into 1
4.430 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.430 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
4.430 * [taylor]: Taking taylor expansion of 0.5 in x
4.430 * [backup-simplify]: Simplify 0.5 into 0.5
4.430 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.430 * [taylor]: Taking taylor expansion of x in x
4.430 * [backup-simplify]: Simplify 0 into 0
4.430 * [backup-simplify]: Simplify 1 into 1
4.430 * [backup-simplify]: Simplify (/ 1 1) into 1
4.430 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.430 * [taylor]: Taking taylor expansion of 0.5 in x
4.430 * [backup-simplify]: Simplify 0.5 into 0.5
4.430 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.430 * [taylor]: Taking taylor expansion of y in x
4.430 * [backup-simplify]: Simplify y into y
4.431 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.431 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.431 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
4.431 * [taylor]: Taking taylor expansion of 0.5 in x
4.431 * [backup-simplify]: Simplify 0.5 into 0.5
4.431 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.431 * [taylor]: Taking taylor expansion of x in x
4.431 * [backup-simplify]: Simplify 0 into 0
4.431 * [backup-simplify]: Simplify 1 into 1
4.431 * [backup-simplify]: Simplify (/ 1 1) into 1
4.431 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.431 * [taylor]: Taking taylor expansion of 0.5 in x
4.431 * [backup-simplify]: Simplify 0.5 into 0.5
4.431 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.431 * [taylor]: Taking taylor expansion of y in x
4.431 * [backup-simplify]: Simplify y into y
4.431 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.432 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.432 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
4.432 * [taylor]: Taking taylor expansion of 0.5 in y
4.432 * [backup-simplify]: Simplify 0.5 into 0.5
4.433 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.433 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
4.433 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
4.433 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
4.433 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.433 * [taylor]: Taking taylor expansion of 0.5 in y
4.433 * [backup-simplify]: Simplify 0.5 into 0.5
4.433 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.433 * [taylor]: Taking taylor expansion of y in y
4.433 * [backup-simplify]: Simplify 0 into 0
4.433 * [backup-simplify]: Simplify 1 into 1
4.434 * [backup-simplify]: Simplify (/ 1 1) into 1
4.434 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.434 * [backup-simplify]: Simplify 0.5 into 0.5
4.434 * [backup-simplify]: Simplify 0.5 into 0.5
4.435 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.436 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
4.436 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.436 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
4.436 * [backup-simplify]: Simplify (+ 0 0) into 0
4.436 * [taylor]: Taking taylor expansion of 0 in y
4.436 * [backup-simplify]: Simplify 0 into 0
4.437 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.438 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
4.438 * [backup-simplify]: Simplify 0 into 0
4.438 * [backup-simplify]: Simplify 0 into 0
4.438 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.439 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.439 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.440 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.440 * [backup-simplify]: Simplify (+ 0 0) into 0
4.440 * [taylor]: Taking taylor expansion of 0 in y
4.440 * [backup-simplify]: Simplify 0 into 0
4.440 * [backup-simplify]: Simplify 0 into 0
4.441 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.442 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
4.442 * [backup-simplify]: Simplify 0 into 0
4.442 * [backup-simplify]: Simplify 0 into 0
4.443 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.444 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.444 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.445 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
4.445 * [backup-simplify]: Simplify (+ 0 0) into 0
4.445 * [taylor]: Taking taylor expansion of 0 in y
4.445 * [backup-simplify]: Simplify 0 into 0
4.445 * [backup-simplify]: Simplify 0 into 0
4.445 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
4.446 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))
4.446 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
4.446 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
4.446 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
4.446 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
4.446 * [taylor]: Taking taylor expansion of 0.5 in y
4.446 * [backup-simplify]: Simplify 0.5 into 0.5
4.446 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.446 * [taylor]: Taking taylor expansion of x in y
4.446 * [backup-simplify]: Simplify x into x
4.446 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.446 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.446 * [taylor]: Taking taylor expansion of 0.5 in y
4.446 * [backup-simplify]: Simplify 0.5 into 0.5
4.446 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.446 * [taylor]: Taking taylor expansion of y in y
4.446 * [backup-simplify]: Simplify 0 into 0
4.446 * [backup-simplify]: Simplify 1 into 1
4.446 * [backup-simplify]: Simplify (/ 1 1) into 1
4.446 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
4.446 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.446 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
4.446 * [taylor]: Taking taylor expansion of 0.5 in x
4.446 * [backup-simplify]: Simplify 0.5 into 0.5
4.446 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.446 * [taylor]: Taking taylor expansion of x in x
4.447 * [backup-simplify]: Simplify 0 into 0
4.447 * [backup-simplify]: Simplify 1 into 1
4.447 * [backup-simplify]: Simplify (/ 1 1) into 1
4.447 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.447 * [taylor]: Taking taylor expansion of 0.5 in x
4.447 * [backup-simplify]: Simplify 0.5 into 0.5
4.447 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.447 * [taylor]: Taking taylor expansion of y in x
4.447 * [backup-simplify]: Simplify y into y
4.447 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.447 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
4.447 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.447 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
4.447 * [taylor]: Taking taylor expansion of 0.5 in x
4.447 * [backup-simplify]: Simplify 0.5 into 0.5
4.447 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.447 * [taylor]: Taking taylor expansion of x in x
4.447 * [backup-simplify]: Simplify 0 into 0
4.447 * [backup-simplify]: Simplify 1 into 1
4.448 * [backup-simplify]: Simplify (/ 1 1) into 1
4.448 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.448 * [taylor]: Taking taylor expansion of 0.5 in x
4.448 * [backup-simplify]: Simplify 0.5 into 0.5
4.448 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.448 * [taylor]: Taking taylor expansion of y in x
4.448 * [backup-simplify]: Simplify y into y
4.448 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.448 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.449 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
4.449 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.449 * [taylor]: Taking taylor expansion of (- 0.5) in y
4.449 * [taylor]: Taking taylor expansion of 0.5 in y
4.449 * [backup-simplify]: Simplify 0.5 into 0.5
4.450 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.450 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
4.450 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
4.450 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
4.451 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
4.451 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
4.451 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.451 * [taylor]: Taking taylor expansion of 0.5 in y
4.451 * [backup-simplify]: Simplify 0.5 into 0.5
4.451 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.451 * [taylor]: Taking taylor expansion of y in y
4.451 * [backup-simplify]: Simplify 0 into 0
4.451 * [backup-simplify]: Simplify 1 into 1
4.451 * [backup-simplify]: Simplify (/ 1 1) into 1
4.451 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.452 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.452 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.452 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.453 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.453 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.454 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
4.454 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.455 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
4.455 * [backup-simplify]: Simplify (+ 0 0) into 0
4.455 * [backup-simplify]: Simplify (- 0) into 0
4.455 * [taylor]: Taking taylor expansion of 0 in y
4.455 * [backup-simplify]: Simplify 0 into 0
4.456 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.456 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
4.457 * [backup-simplify]: Simplify (- 0) into 0
4.457 * [backup-simplify]: Simplify 0 into 0
4.457 * [backup-simplify]: Simplify (- 0) into 0
4.457 * [backup-simplify]: Simplify 0 into 0
4.458 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.459 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.459 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.459 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.460 * [backup-simplify]: Simplify (+ 0 0) into 0
4.460 * [backup-simplify]: Simplify (- 0) into 0
4.460 * [taylor]: Taking taylor expansion of 0 in y
4.460 * [backup-simplify]: Simplify 0 into 0
4.460 * [backup-simplify]: Simplify 0 into 0
4.461 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.461 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
4.462 * [backup-simplify]: Simplify (- 0) into 0
4.462 * [backup-simplify]: Simplify 0 into 0
4.462 * [backup-simplify]: Simplify (- 0) into 0
4.462 * [backup-simplify]: Simplify 0 into 0
4.463 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.464 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.464 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.465 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
4.465 * [backup-simplify]: Simplify (+ 0 0) into 0
4.465 * [backup-simplify]: Simplify (- 0) into 0
4.465 * [taylor]: Taking taylor expansion of 0 in y
4.465 * [backup-simplify]: Simplify 0 into 0
4.466 * [backup-simplify]: Simplify 0 into 0
4.466 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
4.466 * * * [progress]: simplifying candidates
4.467 * [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))
4.467 * * [simplify]: iteration 0: 35 enodes
4.477 * * [simplify]: iteration 1: 98 enodes
4.510 * * [simplify]: iteration 2: 269 enodes
4.609 * * [simplify]: iteration 3: 813 enodes
5.312 * * [simplify]: iteration 4: 4105 enodes
6.352 * * [simplify]: iteration complete: 5000 enodes
6.353 * * [simplify]: Extracting #0: cost 15 inf + 0
6.353 * * [simplify]: Extracting #1: cost 214 inf + 0
6.356 * * [simplify]: Extracting #2: cost 912 inf + 716
6.364 * * [simplify]: Extracting #3: cost 1041 inf + 16464
6.411 * * [simplify]: Extracting #4: cost 394 inf + 146074
6.505 * * [simplify]: Extracting #5: cost 16 inf + 240812
6.579 * * [simplify]: Extracting #6: cost 0 inf + 243010
6.653 * * [simplify]: Extracting #7: cost 0 inf + 242850
6.724 * [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))
6.725 * * * [progress]: adding candidates to table
6.795 * * [progress]: iteration 2 / 4
6.795 * * * [progress]: picking best candidate
6.798 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (+ y x)))>
6.798 * * * [progress]: localizing error
6.804 * * * [progress]: generating rewritten candidates
6.804 * * * [progress]: generating series expansions
6.804 * * * [progress]: simplifying candidates
6.804 * [simplify]: Simplifying:
  
6.804 * * [simplify]: iteration 0: 0 enodes
6.804 * * [simplify]: iteration complete: 0 enodes
6.804 * * [simplify]: Extracting #0: cost 0 inf + 0
6.804 * [simplify]: Simplified to:
  
6.804 * * * [progress]: adding candidates to table
6.805 * [progress]: [Phase 3 of 3] Extracting.
6.809 * [simplify]: Simplifying:
  (* 0.5 (+ y x))
6.809 * * [simplify]: iteration 0: 5 enodes
6.809 * * [simplify]: iteration 1: 7 enodes
6.809 * * [simplify]: iteration complete: 7 enodes
6.809 * * [simplify]: Extracting #0: cost 1 inf + 0
6.809 * * [simplify]: Extracting #1: cost 3 inf + 0
6.809 * * [simplify]: Extracting #2: cost 4 inf + 1
6.809 * * [simplify]: Extracting #3: cost 0 inf + 128
6.810 * [simplify]: Simplified to:
  (* (+ y x) 0.5)
7.796 * [regime-testing]: Baseline error score: 0
7.805 * [regime-testing]: Oracle error score: 0
7.805 * [regime-testing]: End program error score: 0
7.896 * [regime-testing]: Target error score: 0