96.599 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
0.020 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.020 * * [simplify]: iteration 0: 6 enodes
0.022 * * [simplify]: iteration 1: 12 enodes
0.024 * * [simplify]: iteration 2: 19 enodes
0.028 * * [simplify]: iteration 3: 28 enodes
0.034 * * [simplify]: iteration 4: 38 enodes
0.042 * * [simplify]: iteration 5: 54 enodes
0.053 * * [simplify]: iteration 6: 93 enodes
0.068 * * [simplify]: iteration 7: 143 enodes
0.083 * * [simplify]: iteration 8: 183 enodes
0.107 * * [simplify]: iteration 9: 235 enodes
0.131 * * [simplify]: iteration 10: 275 enodes
0.153 * * [simplify]: iteration 11: 327 enodes
0.179 * * [simplify]: iteration 12: 375 enodes
0.211 * * [simplify]: iteration 13: 459 enodes
0.252 * * [simplify]: iteration 14: 503 enodes
0.303 * * [simplify]: iteration 15: 570 enodes
0.343 * * [simplify]: iteration 16: 596 enodes
0.368 * * [simplify]: iteration 17: 633 enodes
0.394 * * [simplify]: iteration 18: 670 enodes
0.430 * * [simplify]: iteration 19: 718 enodes
0.466 * * [simplify]: iteration 20: 757 enodes
0.507 * * [simplify]: iteration 21: 804 enodes
0.540 * * [simplify]: iteration 22: 836 enodes
0.589 * * [simplify]: iteration 23: 881 enodes
0.632 * * [simplify]: iteration 24: 914 enodes
0.667 * * [simplify]: iteration 25: 961 enodes
0.697 * * [simplify]: iteration 26: 999 enodes
0.750 * * [simplify]: iteration 27: 1041 enodes
0.796 * * [simplify]: iteration 28: 1074 enodes
0.851 * * [simplify]: iteration 29: 1127 enodes
0.887 * * [simplify]: iteration 30: 1159 enodes
0.939 * * [simplify]: iteration 31: 1201 enodes
0.994 * * [simplify]: iteration 32: 1238 enodes
1.046 * * [simplify]: iteration 33: 1285 enodes
1.089 * * [simplify]: iteration 34: 1317 enodes
1.137 * * [simplify]: iteration 35: 1364 enodes
1.176 * * [simplify]: iteration 36: 1397 enodes
1.222 * * [simplify]: iteration 37: 1444 enodes
1.259 * * [simplify]: iteration 38: 1482 enodes
1.296 * * [simplify]: iteration 39: 1524 enodes
1.326 * * [simplify]: iteration 40: 1557 enodes
1.360 * * [simplify]: iteration 41: 1610 enodes
1.388 * * [simplify]: iteration 42: 1642 enodes
1.419 * * [simplify]: iteration 43: 1684 enodes
1.448 * * [simplify]: iteration 44: 1721 enodes
1.479 * * [simplify]: iteration 45: 1768 enodes
1.506 * * [simplify]: iteration 46: 1800 enodes
1.541 * * [simplify]: iteration 47: 1847 enodes
1.568 * * [simplify]: iteration 48: 1880 enodes
1.602 * * [simplify]: iteration 49: 1927 enodes
1.629 * * [simplify]: iteration 50: 1965 enodes
1.649 * * [simplify]: iteration complete: 2000 enodes
1.649 * * [simplify]: Extracting #0: cost 1 inf + 0
1.649 * * [simplify]: Extracting #1: cost 18 inf + 0
1.649 * * [simplify]: Extracting #2: cost 26 inf + 1
1.650 * * [simplify]: Extracting #3: cost 18 inf + 1232
1.651 * * [simplify]: Extracting #4: cost 1 inf + 2549
1.653 * * [simplify]: Extracting #5: cost 0 inf + 2631
1.654 * [simplify]: Simplified to:
  (+ (/ (- y x) 2.0) x)
1.654 * * [progress]: iteration 1 / 4
1.654 * * * [progress]: picking best candidate
1.656 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
1.656 * * * [progress]: localizing error
1.664 * * * [progress]: generating rewritten candidates
1.664 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.675 * * * [progress]: generating series expansions
1.675 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.675 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
1.675 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
1.675 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
1.675 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
1.675 * [taylor]: Taking taylor expansion of 0.5 in y
1.676 * [backup-simplify]: Simplify 0.5 into 0.5
1.676 * [taylor]: Taking taylor expansion of x in y
1.676 * [backup-simplify]: Simplify x into x
1.676 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
1.676 * [taylor]: Taking taylor expansion of 0.5 in y
1.676 * [backup-simplify]: Simplify 0.5 into 0.5
1.676 * [taylor]: Taking taylor expansion of y in y
1.676 * [backup-simplify]: Simplify 0 into 0
1.676 * [backup-simplify]: Simplify 1 into 1
1.676 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
1.676 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
1.676 * [taylor]: Taking taylor expansion of 0.5 in x
1.676 * [backup-simplify]: Simplify 0.5 into 0.5
1.676 * [taylor]: Taking taylor expansion of x in x
1.676 * [backup-simplify]: Simplify 0 into 0
1.676 * [backup-simplify]: Simplify 1 into 1
1.676 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
1.676 * [taylor]: Taking taylor expansion of 0.5 in x
1.676 * [backup-simplify]: Simplify 0.5 into 0.5
1.676 * [taylor]: Taking taylor expansion of y in x
1.676 * [backup-simplify]: Simplify y into y
1.676 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
1.676 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
1.676 * [taylor]: Taking taylor expansion of 0.5 in x
1.676 * [backup-simplify]: Simplify 0.5 into 0.5
1.676 * [taylor]: Taking taylor expansion of x in x
1.676 * [backup-simplify]: Simplify 0 into 0
1.676 * [backup-simplify]: Simplify 1 into 1
1.676 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
1.676 * [taylor]: Taking taylor expansion of 0.5 in x
1.676 * [backup-simplify]: Simplify 0.5 into 0.5
1.676 * [taylor]: Taking taylor expansion of y in x
1.676 * [backup-simplify]: Simplify y into y
1.677 * [backup-simplify]: Simplify (* 0.5 0) into 0
1.677 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
1.677 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
1.677 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
1.677 * [taylor]: Taking taylor expansion of 0.5 in y
1.677 * [backup-simplify]: Simplify 0.5 into 0.5
1.677 * [taylor]: Taking taylor expansion of y in y
1.677 * [backup-simplify]: Simplify 0 into 0
1.677 * [backup-simplify]: Simplify 1 into 1
1.677 * [backup-simplify]: Simplify (* 0.5 0) into 0
1.677 * [backup-simplify]: Simplify 0 into 0
1.678 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
1.678 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
1.679 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
1.679 * [taylor]: Taking taylor expansion of 0.5 in y
1.679 * [backup-simplify]: Simplify 0.5 into 0.5
1.679 * [backup-simplify]: Simplify 0.5 into 0.5
1.680 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
1.680 * [backup-simplify]: Simplify 0.5 into 0.5
1.681 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
1.681 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
1.682 * [backup-simplify]: Simplify (+ 0 0) into 0
1.682 * [taylor]: Taking taylor expansion of 0 in y
1.682 * [backup-simplify]: Simplify 0 into 0
1.682 * [backup-simplify]: Simplify 0 into 0
1.682 * [backup-simplify]: Simplify 0 into 0
1.682 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
1.682 * [backup-simplify]: Simplify 0 into 0
1.683 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
1.684 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
1.684 * [backup-simplify]: Simplify (+ 0 0) into 0
1.684 * [taylor]: Taking taylor expansion of 0 in y
1.684 * [backup-simplify]: Simplify 0 into 0
1.684 * [backup-simplify]: Simplify 0 into 0
1.684 * [backup-simplify]: Simplify 0 into 0
1.684 * [backup-simplify]: Simplify 0 into 0
1.684 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
1.684 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
1.684 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0
1.684 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
1.684 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
1.684 * [taylor]: Taking taylor expansion of 0.5 in y
1.684 * [backup-simplify]: Simplify 0.5 into 0.5
1.684 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.684 * [taylor]: Taking taylor expansion of x in y
1.684 * [backup-simplify]: Simplify x into x
1.684 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.684 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.684 * [taylor]: Taking taylor expansion of 0.5 in y
1.684 * [backup-simplify]: Simplify 0.5 into 0.5
1.684 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.684 * [taylor]: Taking taylor expansion of y in y
1.684 * [backup-simplify]: Simplify 0 into 0
1.685 * [backup-simplify]: Simplify 1 into 1
1.685 * [backup-simplify]: Simplify (/ 1 1) into 1
1.685 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
1.685 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.685 * [taylor]: Taking taylor expansion of 0.5 in x
1.685 * [backup-simplify]: Simplify 0.5 into 0.5
1.685 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.685 * [taylor]: Taking taylor expansion of x in x
1.685 * [backup-simplify]: Simplify 0 into 0
1.685 * [backup-simplify]: Simplify 1 into 1
1.685 * [backup-simplify]: Simplify (/ 1 1) into 1
1.685 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
1.685 * [taylor]: Taking taylor expansion of 0.5 in x
1.685 * [backup-simplify]: Simplify 0.5 into 0.5
1.685 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.685 * [taylor]: Taking taylor expansion of y in x
1.685 * [backup-simplify]: Simplify y into y
1.685 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.685 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
1.685 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.685 * [taylor]: Taking taylor expansion of 0.5 in x
1.685 * [backup-simplify]: Simplify 0.5 into 0.5
1.685 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.685 * [taylor]: Taking taylor expansion of x in x
1.685 * [backup-simplify]: Simplify 0 into 0
1.685 * [backup-simplify]: Simplify 1 into 1
1.686 * [backup-simplify]: Simplify (/ 1 1) into 1
1.686 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
1.686 * [taylor]: Taking taylor expansion of 0.5 in x
1.686 * [backup-simplify]: Simplify 0.5 into 0.5
1.686 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.686 * [taylor]: Taking taylor expansion of y in x
1.686 * [backup-simplify]: Simplify y into y
1.686 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.686 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.686 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
1.686 * [taylor]: Taking taylor expansion of 0.5 in y
1.686 * [backup-simplify]: Simplify 0.5 into 0.5
1.687 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.688 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.688 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
1.688 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
1.688 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.688 * [taylor]: Taking taylor expansion of 0.5 in y
1.688 * [backup-simplify]: Simplify 0.5 into 0.5
1.688 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.688 * [taylor]: Taking taylor expansion of y in y
1.688 * [backup-simplify]: Simplify 0 into 0
1.688 * [backup-simplify]: Simplify 1 into 1
1.688 * [backup-simplify]: Simplify (/ 1 1) into 1
1.688 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.688 * [backup-simplify]: Simplify 0.5 into 0.5
1.688 * [backup-simplify]: Simplify 0.5 into 0.5
1.689 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.690 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.690 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
1.690 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
1.690 * [backup-simplify]: Simplify (+ 0 0) into 0
1.690 * [taylor]: Taking taylor expansion of 0 in y
1.690 * [backup-simplify]: Simplify 0 into 0
1.691 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.691 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.691 * [backup-simplify]: Simplify 0 into 0
1.691 * [backup-simplify]: Simplify 0 into 0
1.692 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.692 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.693 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.693 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
1.693 * [backup-simplify]: Simplify (+ 0 0) into 0
1.693 * [taylor]: Taking taylor expansion of 0 in y
1.693 * [backup-simplify]: Simplify 0 into 0
1.693 * [backup-simplify]: Simplify 0 into 0
1.694 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.695 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.695 * [backup-simplify]: Simplify 0 into 0
1.695 * [backup-simplify]: Simplify 0 into 0
1.695 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.696 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.696 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.697 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
1.697 * [backup-simplify]: Simplify (+ 0 0) into 0
1.697 * [taylor]: Taking taylor expansion of 0 in y
1.697 * [backup-simplify]: Simplify 0 into 0
1.697 * [backup-simplify]: Simplify 0 into 0
1.697 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
1.697 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))
1.697 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
1.697 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
1.698 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
1.698 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
1.698 * [taylor]: Taking taylor expansion of 0.5 in y
1.698 * [backup-simplify]: Simplify 0.5 into 0.5
1.698 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.698 * [taylor]: Taking taylor expansion of x in y
1.698 * [backup-simplify]: Simplify x into x
1.698 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.698 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.698 * [taylor]: Taking taylor expansion of 0.5 in y
1.698 * [backup-simplify]: Simplify 0.5 into 0.5
1.698 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.698 * [taylor]: Taking taylor expansion of y in y
1.698 * [backup-simplify]: Simplify 0 into 0
1.698 * [backup-simplify]: Simplify 1 into 1
1.698 * [backup-simplify]: Simplify (/ 1 1) into 1
1.698 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
1.698 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
1.698 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.698 * [taylor]: Taking taylor expansion of 0.5 in x
1.698 * [backup-simplify]: Simplify 0.5 into 0.5
1.698 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.698 * [taylor]: Taking taylor expansion of x in x
1.698 * [backup-simplify]: Simplify 0 into 0
1.698 * [backup-simplify]: Simplify 1 into 1
1.698 * [backup-simplify]: Simplify (/ 1 1) into 1
1.698 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
1.698 * [taylor]: Taking taylor expansion of 0.5 in x
1.698 * [backup-simplify]: Simplify 0.5 into 0.5
1.698 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.698 * [taylor]: Taking taylor expansion of y in x
1.698 * [backup-simplify]: Simplify y into y
1.699 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.699 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
1.699 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
1.699 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.699 * [taylor]: Taking taylor expansion of 0.5 in x
1.699 * [backup-simplify]: Simplify 0.5 into 0.5
1.699 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.699 * [taylor]: Taking taylor expansion of x in x
1.699 * [backup-simplify]: Simplify 0 into 0
1.699 * [backup-simplify]: Simplify 1 into 1
1.699 * [backup-simplify]: Simplify (/ 1 1) into 1
1.699 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
1.699 * [taylor]: Taking taylor expansion of 0.5 in x
1.699 * [backup-simplify]: Simplify 0.5 into 0.5
1.699 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.699 * [taylor]: Taking taylor expansion of y in x
1.699 * [backup-simplify]: Simplify y into y
1.699 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.699 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.700 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
1.700 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.700 * [taylor]: Taking taylor expansion of (- 0.5) in y
1.700 * [taylor]: Taking taylor expansion of 0.5 in y
1.700 * [backup-simplify]: Simplify 0.5 into 0.5
1.701 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.701 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.701 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
1.702 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
1.702 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
1.702 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
1.702 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
1.702 * [taylor]: Taking taylor expansion of 0.5 in y
1.702 * [backup-simplify]: Simplify 0.5 into 0.5
1.702 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.702 * [taylor]: Taking taylor expansion of y in y
1.702 * [backup-simplify]: Simplify 0 into 0
1.702 * [backup-simplify]: Simplify 1 into 1
1.702 * [backup-simplify]: Simplify (/ 1 1) into 1
1.703 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.703 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.703 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.703 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.704 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.705 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.705 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.705 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
1.706 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
1.706 * [backup-simplify]: Simplify (+ 0 0) into 0
1.706 * [backup-simplify]: Simplify (- 0) into 0
1.707 * [taylor]: Taking taylor expansion of 0 in y
1.707 * [backup-simplify]: Simplify 0 into 0
1.707 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.708 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.708 * [backup-simplify]: Simplify (- 0) into 0
1.708 * [backup-simplify]: Simplify 0 into 0
1.708 * [backup-simplify]: Simplify (- 0) into 0
1.708 * [backup-simplify]: Simplify 0 into 0
1.709 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.710 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.710 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.711 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
1.711 * [backup-simplify]: Simplify (+ 0 0) into 0
1.712 * [backup-simplify]: Simplify (- 0) into 0
1.712 * [taylor]: Taking taylor expansion of 0 in y
1.712 * [backup-simplify]: Simplify 0 into 0
1.712 * [backup-simplify]: Simplify 0 into 0
1.712 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.713 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.714 * [backup-simplify]: Simplify (- 0) into 0
1.714 * [backup-simplify]: Simplify 0 into 0
1.714 * [backup-simplify]: Simplify (- 0) into 0
1.714 * [backup-simplify]: Simplify 0 into 0
1.715 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.715 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.716 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.720 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
1.721 * [backup-simplify]: Simplify (+ 0 0) into 0
1.721 * [backup-simplify]: Simplify (- 0) into 0
1.721 * [taylor]: Taking taylor expansion of 0 in y
1.721 * [backup-simplify]: Simplify 0 into 0
1.721 * [backup-simplify]: Simplify 0 into 0
1.722 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
1.722 * * * [progress]: simplifying candidates
1.722 * * * * [progress]: [ 1 / 17 ] simplifiying candidate #<alt (λ (x y) (log (* (exp x) (exp (/ (- y x) 2.0)))))>
1.722 * * * * [progress]: [ 2 / 17 ] simplifiying candidate #<alt (λ (x y) (pow (+ x (/ (- y x) 2.0)) 1))>
1.722 * * * * [progress]: [ 3 / 17 ] simplifiying candidate #<alt (λ (x y) (exp (log (+ x (/ (- y x) 2.0)))))>
1.722 * * * * [progress]: [ 4 / 17 ] simplifiying candidate #<alt (λ (x y) (log (exp (+ x (/ (- y x) 2.0)))))>
1.722 * * * * [progress]: [ 5 / 17 ] simplifiying candidate #<alt (λ (x y) (* (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0)))) (cbrt (+ x (/ (- y x) 2.0)))))>
1.722 * * * * [progress]: [ 6 / 17 ] simplifiying candidate #<alt (λ (x y) (cbrt (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0)))))>
1.722 * * * * [progress]: [ 7 / 17 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0)))))>
1.722 * * * * [progress]: [ 8 / 17 ] 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))))))>
1.723 * * * * [progress]: [ 9 / 17 ] simplifiying candidate #<alt (λ (x y) (* 1 (+ x (/ (- y x) 2.0))))>
1.723 * * * * [progress]: [ 10 / 17 ] simplifiying candidate #<alt (λ (x y) (/ (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0))) (- x (/ (- y x) 2.0))))>
1.723 * * * * [progress]: [ 11 / 17 ] simplifiying candidate #<alt (λ (x y) (* 1 (+ x (/ (- y x) 2.0))))>
1.723 * * * * [progress]: [ 12 / 17 ] simplifiying candidate #<alt (λ (x y) (- (+ x (/ y 2.0)) (/ x 2.0)))>
1.723 * * * * [progress]: [ 13 / 17 ] simplifiying candidate #<alt (λ (x y) (posit16->real (real->posit16 (+ x (/ (- y x) 2.0)))))>
1.723 * * * * [progress]: [ 14 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (/ (- y x) 2.0) x))>
1.723 * * * * [progress]: [ 15 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (* 0.5 x) (* 0.5 y)))>
1.723 * * * * [progress]: [ 16 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (* 0.5 x) (* 0.5 y)))>
1.723 * * * * [progress]: [ 17 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (* 0.5 x) (* 0.5 y)))>
1.723 * [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))
  (real->posit16 (+ x (/ (- y x) 2.0)))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
1.724 * * [simplify]: iteration 0: 34 enodes
1.733 * * [simplify]: iteration 1: 93 enodes
1.763 * * [simplify]: iteration 2: 249 enodes
1.845 * * [simplify]: iteration 3: 719 enodes
2.020 * * [simplify]: iteration complete: 2000 enodes
2.020 * * [simplify]: Extracting #0: cost 14 inf + 0
2.020 * * [simplify]: Extracting #1: cost 95 inf + 0
2.022 * * [simplify]: Extracting #2: cost 446 inf + 74
2.028 * * [simplify]: Extracting #3: cost 611 inf + 18530
2.051 * * [simplify]: Extracting #4: cost 322 inf + 104925
2.093 * * [simplify]: Extracting #5: cost 54 inf + 169529
2.137 * * [simplify]: Extracting #6: cost 29 inf + 177498
2.184 * * [simplify]: Extracting #7: cost 6 inf + 180193
2.233 * * [simplify]: Extracting #8: cost 0 inf + 181793
2.270 * [simplify]: Simplified to:
  (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))
  (+ (* 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 (/ (- y x) 2.0)) (- x (/ (- y x) 2.0)))
  (- x (/ (- y x) 2.0))
  (+ (/ (- y x) 2.0) x)
  (+ (/ y 2.0) x)
  (real->posit16 (+ (/ (- y x) 2.0) x))
  (* (+ x y) 0.5)
  (* (+ x y) 0.5)
  (* (+ x y) 0.5)
2.271 * * * [progress]: adding candidates to table
2.324 * * [progress]: iteration 2 / 4
2.324 * * * [progress]: picking best candidate
2.327 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) 0.5))>
2.327 * * * [progress]: localizing error
2.335 * * * [progress]: generating rewritten candidates
2.335 * * * [progress]: generating series expansions
2.335 * * * [progress]: simplifying candidates
2.335 * [simplify]: Simplifying:
  
2.335 * * [simplify]: iteration 0: 0 enodes
2.335 * * [simplify]: iteration complete: 0 enodes
2.335 * * [simplify]: Extracting #0: cost 0 inf + 0
2.335 * [simplify]: Simplified to:
  
2.335 * * * [progress]: adding candidates to table
2.336 * [progress]: [Phase 3 of 3] Extracting.
2.338 * [simplify]: Simplifying:
  (* (+ x y) 0.5)
2.338 * * [simplify]: iteration 0: 5 enodes
2.338 * * [simplify]: iteration 1: 7 enodes
2.339 * * [simplify]: iteration complete: 7 enodes
2.339 * * [simplify]: Extracting #0: cost 1 inf + 0
2.339 * * [simplify]: Extracting #1: cost 3 inf + 0
2.339 * * [simplify]: Extracting #2: cost 4 inf + 1
2.339 * * [simplify]: Extracting #3: cost 2 inf + 3
2.339 * * [simplify]: Extracting #4: cost 0 inf + 128
2.339 * [simplify]: Simplified to:
  (* (+ y x) 0.5)
3.448 * [regime-testing]: Baseline error score: 0
3.451 * [regime-testing]: Oracle error score: 0
3.451 * [regime-testing]: End program error score: 0
3.506 * [regime-testing]: Target error score: 0