6.533 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.016 * * [simplify]: iteration 0: 6 enodes
0.017 * * [simplify]: iteration 1: 12 enodes
0.019 * * [simplify]: iteration 2: 19 enodes
0.022 * * [simplify]: iteration 3: 28 enodes
0.027 * * [simplify]: iteration 4: 38 enodes
0.032 * * [simplify]: iteration 5: 54 enodes
0.041 * * [simplify]: iteration 6: 93 enodes
0.060 * * [simplify]: iteration 7: 143 enodes
0.078 * * [simplify]: iteration 8: 183 enodes
0.092 * * [simplify]: iteration 9: 235 enodes
0.111 * * [simplify]: iteration 10: 275 enodes
0.129 * * [simplify]: iteration 11: 327 enodes
0.158 * * [simplify]: iteration 12: 375 enodes
0.201 * * [simplify]: iteration 13: 459 enodes
0.241 * * [simplify]: iteration 14: 503 enodes
0.301 * * [simplify]: iteration 15: 570 enodes
0.343 * * [simplify]: iteration 16: 596 enodes
0.385 * * [simplify]: iteration 17: 633 enodes
0.422 * * [simplify]: iteration 18: 670 enodes
0.489 * * [simplify]: iteration 19: 718 enodes
0.529 * * [simplify]: iteration 20: 757 enodes
0.577 * * [simplify]: iteration 21: 804 enodes
0.609 * * [simplify]: iteration 22: 836 enodes
0.659 * * [simplify]: iteration 23: 881 enodes
0.707 * * [simplify]: iteration 24: 914 enodes
0.768 * * [simplify]: iteration 25: 961 enodes
0.829 * * [simplify]: iteration 26: 999 enodes
0.889 * * [simplify]: iteration 27: 1041 enodes
0.921 * * [simplify]: iteration 28: 1074 enodes
0.973 * * [simplify]: iteration 29: 1127 enodes
1.005 * * [simplify]: iteration 30: 1159 enodes
1.042 * * [simplify]: iteration 31: 1201 enodes
1.105 * * [simplify]: iteration 32: 1238 enodes
1.171 * * [simplify]: iteration 33: 1285 enodes
1.233 * * [simplify]: iteration 34: 1317 enodes
1.288 * * [simplify]: iteration 35: 1364 enodes
1.320 * * [simplify]: iteration 36: 1397 enodes
1.366 * * [simplify]: iteration 37: 1444 enodes
1.420 * * [simplify]: iteration 38: 1482 enodes
1.460 * * [simplify]: iteration 39: 1524 enodes
1.502 * * [simplify]: iteration 40: 1557 enodes
1.553 * * [simplify]: iteration 41: 1610 enodes
1.606 * * [simplify]: iteration 42: 1642 enodes
1.651 * * [simplify]: iteration 43: 1684 enodes
1.712 * * [simplify]: iteration 44: 1721 enodes
1.778 * * [simplify]: iteration 45: 1768 enodes
1.824 * * [simplify]: iteration 46: 1800 enodes
1.870 * * [simplify]: iteration 47: 1847 enodes
1.922 * * [simplify]: iteration 48: 1880 enodes
1.956 * * [simplify]: iteration 49: 1927 enodes
1.986 * * [simplify]: iteration 50: 1965 enodes
2.023 * * [simplify]: iteration 51: 2007 enodes
2.066 * * [simplify]: iteration 52: 2040 enodes
2.115 * * [simplify]: iteration 53: 2093 enodes
2.146 * * [simplify]: iteration 54: 2125 enodes
2.181 * * [simplify]: iteration 55: 2167 enodes
2.228 * * [simplify]: iteration 56: 2204 enodes
2.271 * * [simplify]: iteration 57: 2251 enodes
2.306 * * [simplify]: iteration 58: 2283 enodes
2.370 * * [simplify]: iteration 59: 2330 enodes
2.410 * * [simplify]: iteration 60: 2363 enodes
2.447 * * [simplify]: iteration 61: 2410 enodes
2.507 * * [simplify]: iteration 62: 2452 enodes
2.550 * * [simplify]: iteration 63: 2494 enodes
2.608 * * [simplify]: iteration 64: 2527 enodes
2.658 * * [simplify]: iteration 65: 2580 enodes
2.712 * * [simplify]: iteration 66: 2612 enodes
2.764 * * [simplify]: iteration 67: 2654 enodes
2.811 * * [simplify]: iteration 68: 2691 enodes
2.855 * * [simplify]: iteration 69: 2738 enodes
2.885 * * [simplify]: iteration 70: 2770 enodes
2.939 * * [simplify]: iteration 71: 2819 enodes
2.989 * * [simplify]: iteration 72: 2852 enodes
3.049 * * [simplify]: iteration 73: 2899 enodes
3.104 * * [simplify]: iteration 74: 2937 enodes
3.162 * * [simplify]: iteration 75: 2979 enodes
3.214 * * [simplify]: iteration 76: 3012 enodes
3.277 * * [simplify]: iteration 77: 3065 enodes
3.318 * * [simplify]: iteration 78: 3097 enodes
3.353 * * [simplify]: iteration 79: 3139 enodes
3.385 * * [simplify]: iteration 80: 3178 enodes
3.424 * * [simplify]: iteration 81: 3225 enodes
3.473 * * [simplify]: iteration 82: 3257 enodes
3.529 * * [simplify]: iteration 83: 3304 enodes
3.580 * * [simplify]: iteration 84: 3337 enodes
3.632 * * [simplify]: iteration 85: 3384 enodes
3.685 * * [simplify]: iteration 86: 3426 enodes
3.741 * * [simplify]: iteration 87: 3468 enodes
3.792 * * [simplify]: iteration 88: 3501 enodes
3.849 * * [simplify]: iteration 89: 3554 enodes
3.879 * * [simplify]: iteration 90: 3586 enodes
3.915 * * [simplify]: iteration 91: 3628 enodes
3.947 * * [simplify]: iteration 92: 3665 enodes
3.981 * * [simplify]: iteration 93: 3712 enodes
4.012 * * [simplify]: iteration 94: 3744 enodes
4.047 * * [simplify]: iteration 95: 3789 enodes
4.077 * * [simplify]: iteration 96: 3822 enodes
4.113 * * [simplify]: iteration 97: 3869 enodes
4.144 * * [simplify]: iteration 98: 3911 enodes
4.178 * * [simplify]: iteration 99: 3953 enodes
4.210 * * [simplify]: iteration 100: 3986 enodes
4.253 * * [simplify]: iteration 101: 4039 enodes
4.292 * * [simplify]: iteration 102: 4071 enodes
4.333 * * [simplify]: iteration 103: 4113 enodes
4.373 * * [simplify]: iteration 104: 4150 enodes
4.422 * * [simplify]: iteration 105: 4197 enodes
4.462 * * [simplify]: iteration 106: 4229 enodes
4.517 * * [simplify]: iteration 107: 4278 enodes
4.569 * * [simplify]: iteration 108: 4311 enodes
4.608 * * [simplify]: iteration 109: 4358 enodes
4.650 * * [simplify]: iteration 110: 4396 enodes
4.697 * * [simplify]: iteration 111: 4438 enodes
4.749 * * [simplify]: iteration 112: 4471 enodes
4.806 * * [simplify]: iteration 113: 4524 enodes
4.839 * * [simplify]: iteration 114: 4556 enodes
4.879 * * [simplify]: iteration 115: 4598 enodes
4.911 * * [simplify]: iteration 116: 4637 enodes
4.972 * * [simplify]: iteration 117: 4684 enodes
5.022 * * [simplify]: iteration 118: 4716 enodes
5.064 * * [simplify]: iteration 119: 4765 enodes
5.095 * * [simplify]: iteration 120: 4798 enodes
5.128 * * [simplify]: iteration 121: 4845 enodes
5.161 * * [simplify]: iteration 122: 4883 enodes
5.202 * * [simplify]: iteration 123: 4925 enodes
5.254 * * [simplify]: iteration 124: 4958 enodes
5.281 * * [simplify]: iteration complete: 5000 enodes
5.281 * * [simplify]: Extracting #0: cost 1 inf + 0
5.281 * * [simplify]: Extracting #1: cost 18 inf + 0
5.281 * * [simplify]: Extracting #2: cost 26 inf + 1
5.281 * * [simplify]: Extracting #3: cost 24 inf + 536
5.282 * * [simplify]: Extracting #4: cost 3 inf + 2222
5.283 * * [simplify]: Extracting #5: cost 0 inf + 2631
5.284 * [simplify]: Simplified to:
  (+ (/ (- y x) 2.0) x)
5.285 * * [progress]: iteration 1 / 4
5.285 * * * [progress]: picking best candidate
5.288 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
5.288 * * * [progress]: localizing error
5.295 * * * [progress]: generating rewritten candidates
5.295 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
5.317 * * * [progress]: generating series expansions
5.317 * * * * [progress]: [ 1 / 1 ] generating series at (2)
5.317 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
5.318 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
5.318 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
5.318 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
5.318 * [taylor]: Taking taylor expansion of 0.5 in y
5.318 * [backup-simplify]: Simplify 0.5 into 0.5
5.318 * [taylor]: Taking taylor expansion of x in y
5.318 * [backup-simplify]: Simplify x into x
5.318 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
5.318 * [taylor]: Taking taylor expansion of 0.5 in y
5.318 * [backup-simplify]: Simplify 0.5 into 0.5
5.318 * [taylor]: Taking taylor expansion of y in y
5.318 * [backup-simplify]: Simplify 0 into 0
5.318 * [backup-simplify]: Simplify 1 into 1
5.318 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
5.318 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
5.318 * [taylor]: Taking taylor expansion of 0.5 in x
5.318 * [backup-simplify]: Simplify 0.5 into 0.5
5.318 * [taylor]: Taking taylor expansion of x in x
5.318 * [backup-simplify]: Simplify 0 into 0
5.318 * [backup-simplify]: Simplify 1 into 1
5.318 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
5.318 * [taylor]: Taking taylor expansion of 0.5 in x
5.318 * [backup-simplify]: Simplify 0.5 into 0.5
5.318 * [taylor]: Taking taylor expansion of y in x
5.318 * [backup-simplify]: Simplify y into y
5.318 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
5.318 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
5.318 * [taylor]: Taking taylor expansion of 0.5 in x
5.318 * [backup-simplify]: Simplify 0.5 into 0.5
5.318 * [taylor]: Taking taylor expansion of x in x
5.318 * [backup-simplify]: Simplify 0 into 0
5.318 * [backup-simplify]: Simplify 1 into 1
5.318 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
5.318 * [taylor]: Taking taylor expansion of 0.5 in x
5.318 * [backup-simplify]: Simplify 0.5 into 0.5
5.318 * [taylor]: Taking taylor expansion of y in x
5.318 * [backup-simplify]: Simplify y into y
5.319 * [backup-simplify]: Simplify (* 0.5 0) into 0
5.319 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
5.319 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
5.319 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
5.319 * [taylor]: Taking taylor expansion of 0.5 in y
5.319 * [backup-simplify]: Simplify 0.5 into 0.5
5.319 * [taylor]: Taking taylor expansion of y in y
5.319 * [backup-simplify]: Simplify 0 into 0
5.320 * [backup-simplify]: Simplify 1 into 1
5.320 * [backup-simplify]: Simplify (* 0.5 0) into 0
5.320 * [backup-simplify]: Simplify 0 into 0
5.321 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
5.322 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
5.322 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
5.322 * [taylor]: Taking taylor expansion of 0.5 in y
5.322 * [backup-simplify]: Simplify 0.5 into 0.5
5.322 * [backup-simplify]: Simplify 0.5 into 0.5
5.323 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
5.324 * [backup-simplify]: Simplify 0.5 into 0.5
5.324 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
5.325 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
5.326 * [backup-simplify]: Simplify (+ 0 0) into 0
5.326 * [taylor]: Taking taylor expansion of 0 in y
5.326 * [backup-simplify]: Simplify 0 into 0
5.326 * [backup-simplify]: Simplify 0 into 0
5.326 * [backup-simplify]: Simplify 0 into 0
5.327 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
5.327 * [backup-simplify]: Simplify 0 into 0
5.328 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
5.329 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
5.329 * [backup-simplify]: Simplify (+ 0 0) into 0
5.329 * [taylor]: Taking taylor expansion of 0 in y
5.329 * [backup-simplify]: Simplify 0 into 0
5.329 * [backup-simplify]: Simplify 0 into 0
5.329 * [backup-simplify]: Simplify 0 into 0
5.329 * [backup-simplify]: Simplify 0 into 0
5.330 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
5.330 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
5.330 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0
5.330 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
5.330 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
5.330 * [taylor]: Taking taylor expansion of 0.5 in y
5.330 * [backup-simplify]: Simplify 0.5 into 0.5
5.330 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.330 * [taylor]: Taking taylor expansion of x in y
5.330 * [backup-simplify]: Simplify x into x
5.330 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.330 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
5.330 * [taylor]: Taking taylor expansion of 0.5 in y
5.330 * [backup-simplify]: Simplify 0.5 into 0.5
5.330 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.330 * [taylor]: Taking taylor expansion of y in y
5.330 * [backup-simplify]: Simplify 0 into 0
5.330 * [backup-simplify]: Simplify 1 into 1
5.331 * [backup-simplify]: Simplify (/ 1 1) into 1
5.331 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
5.331 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
5.331 * [taylor]: Taking taylor expansion of 0.5 in x
5.331 * [backup-simplify]: Simplify 0.5 into 0.5
5.331 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.331 * [taylor]: Taking taylor expansion of x in x
5.331 * [backup-simplify]: Simplify 0 into 0
5.331 * [backup-simplify]: Simplify 1 into 1
5.331 * [backup-simplify]: Simplify (/ 1 1) into 1
5.331 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
5.331 * [taylor]: Taking taylor expansion of 0.5 in x
5.331 * [backup-simplify]: Simplify 0.5 into 0.5
5.331 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.331 * [taylor]: Taking taylor expansion of y in x
5.331 * [backup-simplify]: Simplify y into y
5.331 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.331 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
5.332 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
5.332 * [taylor]: Taking taylor expansion of 0.5 in x
5.332 * [backup-simplify]: Simplify 0.5 into 0.5
5.332 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.332 * [taylor]: Taking taylor expansion of x in x
5.332 * [backup-simplify]: Simplify 0 into 0
5.332 * [backup-simplify]: Simplify 1 into 1
5.332 * [backup-simplify]: Simplify (/ 1 1) into 1
5.332 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
5.332 * [taylor]: Taking taylor expansion of 0.5 in x
5.332 * [backup-simplify]: Simplify 0.5 into 0.5
5.332 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.332 * [taylor]: Taking taylor expansion of y in x
5.332 * [backup-simplify]: Simplify y into y
5.332 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.333 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
5.333 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
5.333 * [taylor]: Taking taylor expansion of 0.5 in y
5.333 * [backup-simplify]: Simplify 0.5 into 0.5
5.334 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.334 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
5.335 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
5.335 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
5.335 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
5.335 * [taylor]: Taking taylor expansion of 0.5 in y
5.335 * [backup-simplify]: Simplify 0.5 into 0.5
5.335 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.335 * [taylor]: Taking taylor expansion of y in y
5.335 * [backup-simplify]: Simplify 0 into 0
5.335 * [backup-simplify]: Simplify 1 into 1
5.335 * [backup-simplify]: Simplify (/ 1 1) into 1
5.336 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
5.336 * [backup-simplify]: Simplify 0.5 into 0.5
5.336 * [backup-simplify]: Simplify 0.5 into 0.5
5.337 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.338 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
5.338 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
5.338 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
5.339 * [backup-simplify]: Simplify (+ 0 0) into 0
5.339 * [taylor]: Taking taylor expansion of 0 in y
5.339 * [backup-simplify]: Simplify 0 into 0
5.339 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.340 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
5.340 * [backup-simplify]: Simplify 0 into 0
5.340 * [backup-simplify]: Simplify 0 into 0
5.341 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.342 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
5.342 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
5.343 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
5.343 * [backup-simplify]: Simplify (+ 0 0) into 0
5.343 * [taylor]: Taking taylor expansion of 0 in y
5.343 * [backup-simplify]: Simplify 0 into 0
5.343 * [backup-simplify]: Simplify 0 into 0
5.344 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.345 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
5.345 * [backup-simplify]: Simplify 0 into 0
5.345 * [backup-simplify]: Simplify 0 into 0
5.345 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.347 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
5.347 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
5.348 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
5.348 * [backup-simplify]: Simplify (+ 0 0) into 0
5.348 * [taylor]: Taking taylor expansion of 0 in y
5.348 * [backup-simplify]: Simplify 0 into 0
5.348 * [backup-simplify]: Simplify 0 into 0
5.349 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
5.349 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))
5.349 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
5.349 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
5.349 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
5.349 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
5.349 * [taylor]: Taking taylor expansion of 0.5 in y
5.349 * [backup-simplify]: Simplify 0.5 into 0.5
5.349 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.349 * [taylor]: Taking taylor expansion of x in y
5.349 * [backup-simplify]: Simplify x into x
5.349 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.349 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
5.349 * [taylor]: Taking taylor expansion of 0.5 in y
5.349 * [backup-simplify]: Simplify 0.5 into 0.5
5.349 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.349 * [taylor]: Taking taylor expansion of y in y
5.349 * [backup-simplify]: Simplify 0 into 0
5.349 * [backup-simplify]: Simplify 1 into 1
5.350 * [backup-simplify]: Simplify (/ 1 1) into 1
5.350 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
5.350 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
5.350 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
5.350 * [taylor]: Taking taylor expansion of 0.5 in x
5.350 * [backup-simplify]: Simplify 0.5 into 0.5
5.350 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.350 * [taylor]: Taking taylor expansion of x in x
5.350 * [backup-simplify]: Simplify 0 into 0
5.350 * [backup-simplify]: Simplify 1 into 1
5.350 * [backup-simplify]: Simplify (/ 1 1) into 1
5.350 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
5.350 * [taylor]: Taking taylor expansion of 0.5 in x
5.350 * [backup-simplify]: Simplify 0.5 into 0.5
5.350 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.350 * [taylor]: Taking taylor expansion of y in x
5.350 * [backup-simplify]: Simplify y into y
5.350 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.350 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
5.351 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
5.351 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
5.351 * [taylor]: Taking taylor expansion of 0.5 in x
5.351 * [backup-simplify]: Simplify 0.5 into 0.5
5.351 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.351 * [taylor]: Taking taylor expansion of x in x
5.351 * [backup-simplify]: Simplify 0 into 0
5.351 * [backup-simplify]: Simplify 1 into 1
5.351 * [backup-simplify]: Simplify (/ 1 1) into 1
5.351 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
5.351 * [taylor]: Taking taylor expansion of 0.5 in x
5.351 * [backup-simplify]: Simplify 0.5 into 0.5
5.351 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.351 * [taylor]: Taking taylor expansion of y in x
5.351 * [backup-simplify]: Simplify y into y
5.351 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.352 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
5.352 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
5.352 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.353 * [taylor]: Taking taylor expansion of (- 0.5) in y
5.353 * [taylor]: Taking taylor expansion of 0.5 in y
5.353 * [backup-simplify]: Simplify 0.5 into 0.5
5.353 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.354 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
5.354 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
5.354 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
5.354 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
5.354 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
5.354 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
5.354 * [taylor]: Taking taylor expansion of 0.5 in y
5.354 * [backup-simplify]: Simplify 0.5 into 0.5
5.354 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.354 * [taylor]: Taking taylor expansion of y in y
5.354 * [backup-simplify]: Simplify 0 into 0
5.354 * [backup-simplify]: Simplify 1 into 1
5.355 * [backup-simplify]: Simplify (/ 1 1) into 1
5.355 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
5.355 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.356 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.356 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.356 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
5.357 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.358 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
5.358 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
5.359 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
5.359 * [backup-simplify]: Simplify (+ 0 0) into 0
5.359 * [backup-simplify]: Simplify (- 0) into 0
5.359 * [taylor]: Taking taylor expansion of 0 in y
5.359 * [backup-simplify]: Simplify 0 into 0
5.360 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.361 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
5.361 * [backup-simplify]: Simplify (- 0) into 0
5.361 * [backup-simplify]: Simplify 0 into 0
5.361 * [backup-simplify]: Simplify (- 0) into 0
5.361 * [backup-simplify]: Simplify 0 into 0
5.362 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.363 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
5.363 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
5.364 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
5.364 * [backup-simplify]: Simplify (+ 0 0) into 0
5.365 * [backup-simplify]: Simplify (- 0) into 0
5.365 * [taylor]: Taking taylor expansion of 0 in y
5.365 * [backup-simplify]: Simplify 0 into 0
5.365 * [backup-simplify]: Simplify 0 into 0
5.365 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.366 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
5.367 * [backup-simplify]: Simplify (- 0) into 0
5.367 * [backup-simplify]: Simplify 0 into 0
5.367 * [backup-simplify]: Simplify (- 0) into 0
5.367 * [backup-simplify]: Simplify 0 into 0
5.368 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.369 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
5.369 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
5.370 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
5.371 * [backup-simplify]: Simplify (+ 0 0) into 0
5.371 * [backup-simplify]: Simplify (- 0) into 0
5.371 * [taylor]: Taking taylor expansion of 0 in y
5.371 * [backup-simplify]: Simplify 0 into 0
5.371 * [backup-simplify]: Simplify 0 into 0
5.372 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
5.372 * * * [progress]: simplifying candidates
5.372 * [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))
5.373 * * [simplify]: iteration 0: 35 enodes
5.386 * * [simplify]: iteration 1: 98 enodes
5.426 * * [simplify]: iteration 2: 269 enodes
5.543 * * [simplify]: iteration 3: 813 enodes
6.428 * * [simplify]: iteration 4: 4105 enodes
7.611 * * [simplify]: iteration complete: 5000 enodes
7.611 * * [simplify]: Extracting #0: cost 15 inf + 0
7.612 * * [simplify]: Extracting #1: cost 214 inf + 0
7.617 * * [simplify]: Extracting #2: cost 912 inf + 716
7.628 * * [simplify]: Extracting #3: cost 1041 inf + 16464
7.681 * * [simplify]: Extracting #4: cost 394 inf + 146074
7.779 * * [simplify]: Extracting #5: cost 16 inf + 240812
7.871 * * [simplify]: Extracting #6: cost 0 inf + 243010
7.978 * * [simplify]: Extracting #7: cost 0 inf + 242850
8.056 * [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))
8.057 * * * [progress]: adding candidates to table
8.172 * * [progress]: iteration 2 / 4
8.172 * * * [progress]: picking best candidate
8.178 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (+ y x)))>
8.178 * * * [progress]: localizing error
8.191 * * * [progress]: generating rewritten candidates
8.191 * * * [progress]: generating series expansions
8.191 * * * [progress]: simplifying candidates
8.192 * [simplify]: Simplifying:
  
8.192 * * [simplify]: iteration 0: 0 enodes
8.192 * * [simplify]: iteration complete: 0 enodes
8.192 * * [simplify]: Extracting #0: cost 0 inf + 0
8.192 * [simplify]: Simplified to:
  
8.192 * * * [progress]: adding candidates to table
8.193 * [progress]: [Phase 3 of 3] Extracting.
8.199 * [simplify]: Simplifying:
  (* 0.5 (+ y x))
8.199 * * [simplify]: iteration 0: 5 enodes
8.200 * * [simplify]: iteration 1: 7 enodes
8.200 * * [simplify]: iteration complete: 7 enodes
8.200 * * [simplify]: Extracting #0: cost 1 inf + 0
8.200 * * [simplify]: Extracting #1: cost 3 inf + 0
8.200 * * [simplify]: Extracting #2: cost 4 inf + 1
8.200 * * [simplify]: Extracting #3: cost 0 inf + 128
8.201 * [simplify]: Simplified to:
  (* (+ y x) 0.5)
8.942 * [regime-testing]: Baseline error score: 0
8.950 * [regime-testing]: Oracle error score: 0
8.951 * [regime-testing]: End program error score: 0
9.033 * [regime-testing]: Target error score: 0