39.803 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying:
  (/ (- x y) (* (* x 2.0) y))
0.017 * * [simplify]: iteration 0: 7 enodes
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10.751 * * [simplify]: iteration 368: 4993 enodes
10.769 * * [simplify]: iteration complete: 5000 enodes
10.769 * * [simplify]: Extracting #0: cost 1 inf + 0
10.769 * * [simplify]: Extracting #1: cost 18 inf + 0
10.769 * * [simplify]: Extracting #2: cost 44 inf + 3
10.769 * * [simplify]: Extracting #3: cost 11 inf + 2275
10.770 * * [simplify]: Extracting #4: cost 0 inf + 2858
10.771 * [simplify]: Simplified to:
  (/ (/ (- x y) x) (* 2.0 y))
10.772 * * [progress]: iteration 1 / 4
10.772 * * * [progress]: picking best candidate
10.775 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>
10.775 * * * [progress]: localizing error
10.785 * * * [progress]: generating rewritten candidates
10.785 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
10.817 * * * [progress]: generating series expansions
10.817 * * * * [progress]: [ 1 / 1 ] generating series at (2)
10.817 * [backup-simplify]: Simplify (/ (- x y) (* (* x 2.0) y)) into (* 0.5 (/ (- x y) (* x y)))
10.817 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in (x y) around 0
10.817 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in y
10.817 * [taylor]: Taking taylor expansion of 0.5 in y
10.817 * [backup-simplify]: Simplify 0.5 into 0.5
10.817 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in y
10.817 * [taylor]: Taking taylor expansion of (- x y) in y
10.817 * [taylor]: Taking taylor expansion of x in y
10.817 * [backup-simplify]: Simplify x into x
10.817 * [taylor]: Taking taylor expansion of y in y
10.817 * [backup-simplify]: Simplify 0 into 0
10.817 * [backup-simplify]: Simplify 1 into 1
10.817 * [taylor]: Taking taylor expansion of (* x y) in y
10.817 * [taylor]: Taking taylor expansion of x in y
10.817 * [backup-simplify]: Simplify x into x
10.817 * [taylor]: Taking taylor expansion of y in y
10.818 * [backup-simplify]: Simplify 0 into 0
10.818 * [backup-simplify]: Simplify 1 into 1
10.818 * [backup-simplify]: Simplify (- 0) into 0
10.818 * [backup-simplify]: Simplify (+ x 0) into x
10.818 * [backup-simplify]: Simplify (* x 0) into 0
10.819 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
10.819 * [backup-simplify]: Simplify (/ x x) into 1
10.819 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
10.819 * [taylor]: Taking taylor expansion of 0.5 in x
10.819 * [backup-simplify]: Simplify 0.5 into 0.5
10.819 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
10.819 * [taylor]: Taking taylor expansion of (- x y) in x
10.819 * [taylor]: Taking taylor expansion of x in x
10.819 * [backup-simplify]: Simplify 0 into 0
10.819 * [backup-simplify]: Simplify 1 into 1
10.819 * [taylor]: Taking taylor expansion of y in x
10.819 * [backup-simplify]: Simplify y into y
10.819 * [taylor]: Taking taylor expansion of (* x y) in x
10.819 * [taylor]: Taking taylor expansion of x in x
10.819 * [backup-simplify]: Simplify 0 into 0
10.819 * [backup-simplify]: Simplify 1 into 1
10.819 * [taylor]: Taking taylor expansion of y in x
10.819 * [backup-simplify]: Simplify y into y
10.819 * [backup-simplify]: Simplify (- y) into (- y)
10.819 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
10.819 * [backup-simplify]: Simplify (* 0 y) into 0
10.820 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
10.820 * [backup-simplify]: Simplify (/ (- y) y) into -1
10.820 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
10.820 * [taylor]: Taking taylor expansion of 0.5 in x
10.820 * [backup-simplify]: Simplify 0.5 into 0.5
10.820 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
10.820 * [taylor]: Taking taylor expansion of (- x y) in x
10.820 * [taylor]: Taking taylor expansion of x in x
10.820 * [backup-simplify]: Simplify 0 into 0
10.820 * [backup-simplify]: Simplify 1 into 1
10.820 * [taylor]: Taking taylor expansion of y in x
10.820 * [backup-simplify]: Simplify y into y
10.820 * [taylor]: Taking taylor expansion of (* x y) in x
10.820 * [taylor]: Taking taylor expansion of x in x
10.820 * [backup-simplify]: Simplify 0 into 0
10.820 * [backup-simplify]: Simplify 1 into 1
10.820 * [taylor]: Taking taylor expansion of y in x
10.820 * [backup-simplify]: Simplify y into y
10.820 * [backup-simplify]: Simplify (- y) into (- y)
10.820 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
10.820 * [backup-simplify]: Simplify (* 0 y) into 0
10.820 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
10.820 * [backup-simplify]: Simplify (/ (- y) y) into -1
10.821 * [backup-simplify]: Simplify (* 0.5 -1) into -0.5
10.821 * [taylor]: Taking taylor expansion of -0.5 in y
10.821 * [backup-simplify]: Simplify -0.5 into -0.5
10.821 * [backup-simplify]: Simplify (- 0) into 0
10.822 * [backup-simplify]: Simplify (+ 1 0) into 1
10.822 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
10.822 * [backup-simplify]: Simplify (- (/ 1 y) (+ (* -1 (/ 0 y)))) into (/ 1 y)
10.823 * [backup-simplify]: Simplify (+ (* 0.5 (/ 1 y)) (* 0 -1)) into (* 0.5 (/ 1 y))
10.823 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
10.823 * [taylor]: Taking taylor expansion of 0.5 in y
10.823 * [backup-simplify]: Simplify 0.5 into 0.5
10.823 * [taylor]: Taking taylor expansion of (/ 1 y) in y
10.823 * [taylor]: Taking taylor expansion of y in y
10.823 * [backup-simplify]: Simplify 0 into 0
10.823 * [backup-simplify]: Simplify 1 into 1
10.823 * [backup-simplify]: Simplify (/ 1 1) into 1
10.824 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
10.824 * [backup-simplify]: Simplify 0.5 into 0.5
10.824 * [backup-simplify]: Simplify -0.5 into -0.5
10.824 * [backup-simplify]: Simplify (- 0) into 0
10.824 * [backup-simplify]: Simplify (+ 0 0) into 0
10.826 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
10.826 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* -1 (/ 0 y)) (* (/ 1 y) (/ 0 y)))) into 0
10.826 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
10.827 * [taylor]: Taking taylor expansion of 0 in y
10.827 * [backup-simplify]: Simplify 0 into 0
10.827 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.828 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
10.828 * [backup-simplify]: Simplify 0 into 0
10.828 * [backup-simplify]: Simplify 0 into 0
10.828 * [backup-simplify]: Simplify (- 0) into 0
10.828 * [backup-simplify]: Simplify (+ 0 0) into 0
10.830 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
10.830 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* -1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.831 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
10.831 * [taylor]: Taking taylor expansion of 0 in y
10.831 * [backup-simplify]: Simplify 0 into 0
10.831 * [backup-simplify]: Simplify 0 into 0
10.832 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.833 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
10.833 * [backup-simplify]: Simplify 0 into 0
10.833 * [backup-simplify]: Simplify 0 into 0
10.833 * [backup-simplify]: Simplify (- 0) into 0
10.834 * [backup-simplify]: Simplify (+ 0 0) into 0
10.835 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
10.835 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* -1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.837 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
10.837 * [taylor]: Taking taylor expansion of 0 in y
10.837 * [backup-simplify]: Simplify 0 into 0
10.837 * [backup-simplify]: Simplify 0 into 0
10.837 * [backup-simplify]: Simplify (+ (* -0.5 (* 1 (/ 1 x))) (* 0.5 (* (/ 1 y) 1))) into (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
10.837 * [backup-simplify]: Simplify (/ (- (/ 1 x) (/ 1 y)) (* (* (/ 1 x) 2.0) (/ 1 y))) into (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y)))))
10.837 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in (x y) around 0
10.837 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in y
10.837 * [taylor]: Taking taylor expansion of 0.5 in y
10.837 * [backup-simplify]: Simplify 0.5 into 0.5
10.837 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 x) (/ 1 y)))) in y
10.837 * [taylor]: Taking taylor expansion of x in y
10.837 * [backup-simplify]: Simplify x into x
10.837 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 y))) in y
10.837 * [taylor]: Taking taylor expansion of y in y
10.837 * [backup-simplify]: Simplify 0 into 0
10.837 * [backup-simplify]: Simplify 1 into 1
10.837 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
10.837 * [taylor]: Taking taylor expansion of (/ 1 x) in y
10.837 * [taylor]: Taking taylor expansion of x in y
10.837 * [backup-simplify]: Simplify x into x
10.838 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
10.838 * [taylor]: Taking taylor expansion of (/ 1 y) in y
10.838 * [taylor]: Taking taylor expansion of y in y
10.838 * [backup-simplify]: Simplify 0 into 0
10.838 * [backup-simplify]: Simplify 1 into 1
10.838 * [backup-simplify]: Simplify (/ 1 1) into 1
10.838 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in x
10.838 * [taylor]: Taking taylor expansion of 0.5 in x
10.838 * [backup-simplify]: Simplify 0.5 into 0.5
10.838 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 x) (/ 1 y)))) in x
10.838 * [taylor]: Taking taylor expansion of x in x
10.838 * [backup-simplify]: Simplify 0 into 0
10.838 * [backup-simplify]: Simplify 1 into 1
10.838 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 y))) in x
10.838 * [taylor]: Taking taylor expansion of y in x
10.838 * [backup-simplify]: Simplify y into y
10.838 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
10.838 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.838 * [taylor]: Taking taylor expansion of x in x
10.838 * [backup-simplify]: Simplify 0 into 0
10.838 * [backup-simplify]: Simplify 1 into 1
10.839 * [backup-simplify]: Simplify (/ 1 1) into 1
10.839 * [taylor]: Taking taylor expansion of (/ 1 y) in x
10.839 * [taylor]: Taking taylor expansion of y in x
10.839 * [backup-simplify]: Simplify y into y
10.839 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
10.839 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in x
10.839 * [taylor]: Taking taylor expansion of 0.5 in x
10.839 * [backup-simplify]: Simplify 0.5 into 0.5
10.839 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 x) (/ 1 y)))) in x
10.839 * [taylor]: Taking taylor expansion of x in x
10.839 * [backup-simplify]: Simplify 0 into 0
10.839 * [backup-simplify]: Simplify 1 into 1
10.839 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 y))) in x
10.839 * [taylor]: Taking taylor expansion of y in x
10.839 * [backup-simplify]: Simplify y into y
10.839 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
10.839 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.839 * [taylor]: Taking taylor expansion of x in x
10.839 * [backup-simplify]: Simplify 0 into 0
10.839 * [backup-simplify]: Simplify 1 into 1
10.839 * [backup-simplify]: Simplify (/ 1 1) into 1
10.839 * [taylor]: Taking taylor expansion of (/ 1 y) in x
10.839 * [taylor]: Taking taylor expansion of y in x
10.840 * [backup-simplify]: Simplify y into y
10.840 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
10.840 * [backup-simplify]: Simplify (+ 1 0) into 1
10.840 * [backup-simplify]: Simplify (* y 1) into y
10.840 * [backup-simplify]: Simplify (* 0 y) into 0
10.840 * [backup-simplify]: Simplify (* 0.5 0) into 0
10.840 * [taylor]: Taking taylor expansion of 0 in y
10.841 * [backup-simplify]: Simplify 0 into 0
10.841 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.841 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
10.841 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
10.842 * [backup-simplify]: Simplify (+ (* y (- (/ 1 y))) (* 0 1)) into (- 1)
10.842 * [backup-simplify]: Simplify (+ (* 0 (- 1)) (* 1 y)) into y
10.843 * [backup-simplify]: Simplify (+ (* 0.5 y) (* 0 0)) into (* 0.5 y)
10.843 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
10.843 * [taylor]: Taking taylor expansion of 0.5 in y
10.843 * [backup-simplify]: Simplify 0.5 into 0.5
10.843 * [taylor]: Taking taylor expansion of y in y
10.843 * [backup-simplify]: Simplify 0 into 0
10.843 * [backup-simplify]: Simplify 1 into 1
10.843 * [backup-simplify]: Simplify 0 into 0
10.843 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.843 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
10.844 * [backup-simplify]: Simplify (- 0) into 0
10.844 * [backup-simplify]: Simplify (+ 0 0) into 0
10.844 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
10.845 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 1)) (* 0 y))) into (- 1)
10.846 * [backup-simplify]: Simplify (+ (* 0.5 (- 1)) (+ (* 0 y) (* 0 0))) into (- 0.5)
10.846 * [taylor]: Taking taylor expansion of (- 0.5) in y
10.846 * [taylor]: Taking taylor expansion of 0.5 in y
10.846 * [backup-simplify]: Simplify 0.5 into 0.5
10.846 * [backup-simplify]: Simplify (* 0.5 0) into 0
10.846 * [backup-simplify]: Simplify 0 into 0
10.846 * [backup-simplify]: Simplify 0 into 0
10.846 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.847 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.847 * [backup-simplify]: Simplify (- 0) into 0
10.847 * [backup-simplify]: Simplify (+ 0 0) into 0
10.848 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
10.848 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 1)) (* 0 y)))) into 0
10.849 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 (- 1)) (+ (* 0 y) (* 0 0)))) into 0
10.849 * [taylor]: Taking taylor expansion of 0 in y
10.849 * [backup-simplify]: Simplify 0 into 0
10.849 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
10.850 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
10.851 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
10.851 * [backup-simplify]: Simplify 0.5 into 0.5
10.851 * [backup-simplify]: Simplify 0 into 0
10.851 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.851 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.852 * [backup-simplify]: Simplify (- 0) into 0
10.852 * [backup-simplify]: Simplify (+ 0 0) into 0
10.853 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
10.854 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 1)) (* 0 y))))) into 0
10.855 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 (- 1)) (+ (* 0 y) (* 0 0))))) into 0
10.855 * [taylor]: Taking taylor expansion of 0 in y
10.855 * [backup-simplify]: Simplify 0 into 0
10.855 * [backup-simplify]: Simplify 0 into 0
10.855 * [backup-simplify]: Simplify (- 0) into 0
10.855 * [backup-simplify]: Simplify 0 into 0
10.855 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
10.855 * [backup-simplify]: Simplify 0 into 0
10.855 * [backup-simplify]: Simplify 0 into 0
10.856 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.856 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.856 * [backup-simplify]: Simplify (- 0) into 0
10.857 * [backup-simplify]: Simplify (+ 0 0) into 0
10.858 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))))) into 0
10.859 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 1)) (* 0 y)))))) into 0
10.861 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 1)) (+ (* 0 y) (* 0 0)))))) into 0
10.861 * [taylor]: Taking taylor expansion of 0 in y
10.861 * [backup-simplify]: Simplify 0 into 0
10.861 * [backup-simplify]: Simplify 0 into 0
10.862 * [backup-simplify]: Simplify (+ (* 0.5 (* (/ 1 y) 1)) (* (- 0.5) (* 1 (/ 1 x)))) into (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
10.862 * [backup-simplify]: Simplify (/ (- (/ 1 (- x)) (/ 1 (- y))) (* (* (/ 1 (- x)) 2.0) (/ 1 (- y)))) into (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y)))
10.862 * [approximate]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in (x y) around 0
10.862 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in y
10.862 * [taylor]: Taking taylor expansion of 0.5 in y
10.862 * [backup-simplify]: Simplify 0.5 into 0.5
10.862 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (* x y)) in y
10.862 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
10.862 * [taylor]: Taking taylor expansion of (/ 1 y) in y
10.862 * [taylor]: Taking taylor expansion of y in y
10.862 * [backup-simplify]: Simplify 0 into 0
10.862 * [backup-simplify]: Simplify 1 into 1
10.862 * [backup-simplify]: Simplify (/ 1 1) into 1
10.862 * [taylor]: Taking taylor expansion of (/ 1 x) in y
10.862 * [taylor]: Taking taylor expansion of x in y
10.862 * [backup-simplify]: Simplify x into x
10.862 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
10.862 * [taylor]: Taking taylor expansion of (* x y) in y
10.862 * [taylor]: Taking taylor expansion of x in y
10.862 * [backup-simplify]: Simplify x into x
10.863 * [taylor]: Taking taylor expansion of y in y
10.863 * [backup-simplify]: Simplify 0 into 0
10.863 * [backup-simplify]: Simplify 1 into 1
10.863 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in x
10.863 * [taylor]: Taking taylor expansion of 0.5 in x
10.863 * [backup-simplify]: Simplify 0.5 into 0.5
10.863 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (* x y)) in x
10.863 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
10.863 * [taylor]: Taking taylor expansion of (/ 1 y) in x
10.863 * [taylor]: Taking taylor expansion of y in x
10.863 * [backup-simplify]: Simplify y into y
10.863 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
10.863 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.863 * [taylor]: Taking taylor expansion of x in x
10.863 * [backup-simplify]: Simplify 0 into 0
10.863 * [backup-simplify]: Simplify 1 into 1
10.863 * [backup-simplify]: Simplify (/ 1 1) into 1
10.863 * [taylor]: Taking taylor expansion of (* x y) in x
10.863 * [taylor]: Taking taylor expansion of x in x
10.863 * [backup-simplify]: Simplify 0 into 0
10.863 * [backup-simplify]: Simplify 1 into 1
10.863 * [taylor]: Taking taylor expansion of y in x
10.863 * [backup-simplify]: Simplify y into y
10.863 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in x
10.863 * [taylor]: Taking taylor expansion of 0.5 in x
10.863 * [backup-simplify]: Simplify 0.5 into 0.5
10.863 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (* x y)) in x
10.863 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
10.863 * [taylor]: Taking taylor expansion of (/ 1 y) in x
10.863 * [taylor]: Taking taylor expansion of y in x
10.863 * [backup-simplify]: Simplify y into y
10.863 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
10.863 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.863 * [taylor]: Taking taylor expansion of x in x
10.863 * [backup-simplify]: Simplify 0 into 0
10.863 * [backup-simplify]: Simplify 1 into 1
10.864 * [backup-simplify]: Simplify (/ 1 1) into 1
10.864 * [taylor]: Taking taylor expansion of (* x y) in x
10.864 * [taylor]: Taking taylor expansion of x in x
10.864 * [backup-simplify]: Simplify 0 into 0
10.864 * [backup-simplify]: Simplify 1 into 1
10.864 * [taylor]: Taking taylor expansion of y in x
10.864 * [backup-simplify]: Simplify y into y
10.864 * [backup-simplify]: Simplify (- 1) into -1
10.864 * [backup-simplify]: Simplify (+ 0 -1) into -1
10.864 * [backup-simplify]: Simplify (* 0 y) into 0
10.864 * [backup-simplify]: Simplify (* -1 0) into 0
10.865 * [backup-simplify]: Simplify (* 0.5 0) into 0
10.865 * [taylor]: Taking taylor expansion of 0 in y
10.865 * [backup-simplify]: Simplify 0 into 0
10.865 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
10.865 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.866 * [backup-simplify]: Simplify (- 0) into 0
10.866 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
10.866 * [backup-simplify]: Simplify (+ (* -1 y) (* (/ 1 y) 0)) into (- y)
10.866 * [backup-simplify]: Simplify (+ (* 0.5 (- y)) (* 0 0)) into (- (* 0.5 y))
10.866 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y
10.866 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
10.866 * [taylor]: Taking taylor expansion of 0.5 in y
10.866 * [backup-simplify]: Simplify 0.5 into 0.5
10.866 * [taylor]: Taking taylor expansion of y in y
10.866 * [backup-simplify]: Simplify 0 into 0
10.866 * [backup-simplify]: Simplify 1 into 1
10.866 * [backup-simplify]: Simplify 0 into 0
10.867 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
10.867 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
10.867 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.868 * [backup-simplify]: Simplify (- 0) into 0
10.868 * [backup-simplify]: Simplify (+ 0 0) into 0
10.869 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) y) (* 0 0))) into 1
10.869 * [backup-simplify]: Simplify (+ (* 0.5 1) (+ (* 0 (- y)) (* 0 0))) into 0.5
10.869 * [taylor]: Taking taylor expansion of 0.5 in y
10.869 * [backup-simplify]: Simplify 0.5 into 0.5
10.870 * [backup-simplify]: Simplify (* 0.5 0) into 0
10.870 * [backup-simplify]: Simplify (- 0) into 0
10.870 * [backup-simplify]: Simplify 0 into 0
10.870 * [backup-simplify]: Simplify 0 into 0
10.871 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
10.871 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.872 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.872 * [backup-simplify]: Simplify (- 0) into 0
10.873 * [backup-simplify]: Simplify (+ 0 0) into 0
10.873 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 y) (* 0 0)))) into 0
10.874 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))) into 0
10.874 * [taylor]: Taking taylor expansion of 0 in y
10.874 * [backup-simplify]: Simplify 0 into 0
10.874 * [backup-simplify]: Simplify 0.5 into 0.5
10.876 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
10.876 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
10.876 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
10.876 * [backup-simplify]: Simplify 0 into 0
10.878 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
10.878 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.878 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.879 * [backup-simplify]: Simplify (- 0) into 0
10.879 * [backup-simplify]: Simplify (+ 0 0) into 0
10.880 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 y) (* 0 0))))) into 0
10.881 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0))))) into 0
10.881 * [taylor]: Taking taylor expansion of 0 in y
10.881 * [backup-simplify]: Simplify 0 into 0
10.881 * [backup-simplify]: Simplify 0 into 0
10.881 * [backup-simplify]: Simplify 0 into 0
10.882 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
10.882 * [backup-simplify]: Simplify (- 0) into 0
10.882 * [backup-simplify]: Simplify 0 into 0
10.882 * [backup-simplify]: Simplify 0 into 0
10.884 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
10.884 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.885 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.885 * [backup-simplify]: Simplify (- 0) into 0
10.885 * [backup-simplify]: Simplify (+ 0 0) into 0
10.887 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 y) (* 0 0)))))) into 0
10.888 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))))) into 0
10.888 * [taylor]: Taking taylor expansion of 0 in y
10.888 * [backup-simplify]: Simplify 0 into 0
10.888 * [backup-simplify]: Simplify 0 into 0
10.889 * [backup-simplify]: Simplify (+ (* (- 0.5) (* (/ 1 (- y)) 1)) (* 0.5 (* 1 (/ 1 (- x))))) into (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
10.889 * * * [progress]: simplifying candidates
10.889 * [simplify]: Simplifying:
  (expm1 (/ (- x y) (* (* x 2.0) y)))
  (log1p (/ (- x y) (* (* x 2.0) y)))
  (- (log (- x y)) (+ (+ (log x) (log 2.0)) (log y)))
  (- (log (- x y)) (+ (log (* x 2.0)) (log y)))
  (- (log (- x y)) (log (* (* x 2.0) y)))
  (log (/ (- x y) (* (* x 2.0) y)))
  (exp (/ (- x y) (* (* x 2.0) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y)))
  (* (cbrt (/ (- x y) (* (* x 2.0) y))) (cbrt (/ (- x y) (* (* x 2.0) y))))
  (cbrt (/ (- x y) (* (* x 2.0) y)))
  (* (* (/ (- x y) (* (* x 2.0) y)) (/ (- x y) (* (* x 2.0) y))) (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (- (- x y))
  (- (* (* x 2.0) y))
  (/ x (* (* x 2.0) y))
  (/ y (* (* x 2.0) y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* x 2.0))
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* x 2.0))
  (/ (sqrt (- x y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ (+ (sqrt x) (sqrt y)) (* x 2.0))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ 1 (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (- x y))
  (/ (- x y) (* x 2.0))
  (/ (* (* x 2.0) y) (cbrt (- x y)))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (/ (* (* x 2.0) y) (- x y))
  (/ (* (* x 2.0) y) (- (sqrt x) (sqrt y)))
  (/ (* (* x 2.0) y) (- x y))
  (* (* (* x 2.0) y) (+ (* x x) (+ (* y y) (* x y))))
  (* (* (* x 2.0) y) (+ x y))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
10.890 * * [simplify]: iteration 0: 84 enodes
10.905 * * [simplify]: iteration 1: 239 enodes
10.962 * * [simplify]: iteration 2: 996 enodes
11.567 * * [simplify]: iteration complete: 5000 enodes
11.567 * * [simplify]: Extracting #0: cost 28 inf + 0
11.568 * * [simplify]: Extracting #1: cost 645 inf + 0
11.573 * * [simplify]: Extracting #2: cost 1543 inf + 2618
11.592 * * [simplify]: Extracting #3: cost 1328 inf + 98975
11.651 * * [simplify]: Extracting #4: cost 132 inf + 316701
11.725 * * [simplify]: Extracting #5: cost 4 inf + 333679
11.818 * * [simplify]: Extracting #6: cost 0 inf + 332803
11.927 * [simplify]: Simplified to:
  (expm1 (/ (- x y) (* x (* 2.0 y))))
  (log1p (/ (- x y) (* x (* 2.0 y))))
  (log (/ (- x y) (* x (* 2.0 y))))
  (log (/ (- x y) (* x (* 2.0 y))))
  (log (/ (- x y) (* x (* 2.0 y))))
  (log (/ (- x y) (* x (* 2.0 y))))
  (exp (/ (- x y) (* x (* 2.0 y))))
  (* (/ (- x y) (* x (* 2.0 y))) (* (/ (- x y) (* x (* 2.0 y))) (/ (- x y) (* x (* 2.0 y)))))
  (* (/ (- x y) (* x (* 2.0 y))) (* (/ (- x y) (* x (* 2.0 y))) (/ (- x y) (* x (* 2.0 y)))))
  (* (/ (- x y) (* x (* 2.0 y))) (* (/ (- x y) (* x (* 2.0 y))) (/ (- x y) (* x (* 2.0 y)))))
  (* (cbrt (/ (- x y) (* x (* 2.0 y)))) (cbrt (/ (- x y) (* x (* 2.0 y)))))
  (cbrt (/ (- x y) (* x (* 2.0 y))))
  (* (/ (- x y) (* x (* 2.0 y))) (* (/ (- x y) (* x (* 2.0 y))) (/ (- x y) (* x (* 2.0 y)))))
  (sqrt (/ (- x y) (* x (* 2.0 y))))
  (sqrt (/ (- x y) (* x (* 2.0 y))))
  (+ (- x) y)
  (* x (- (* 2.0 y)))
  (/ (/ 1 2.0) y)
  (/ (/ 1 2.0) x)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* 2.0 x))
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* 2.0 x))
  (/ (sqrt (- x y)) y)
  (/ (/ 1 2.0) x)
  (/ (- x y) y)
  (/ (/ (+ (sqrt x) (sqrt y)) 2.0) x)
  (/ (- (sqrt x) (sqrt y)) y)
  (/ (/ 1 2.0) x)
  (/ (- x y) y)
  (/ (/ 1 y) (* 2.0 x))
  (/ (* x (* 2.0 y)) (- x y))
  (/ (/ (- x y) 2.0) x)
  (/ (* x (* 2.0 y)) (cbrt (- x y)))
  (/ (* x (* 2.0 y)) (sqrt (- x y)))
  (/ (* x (* 2.0 y)) (- x y))
  (/ (* x (* 2.0 y)) (- (sqrt x) (sqrt y)))
  (/ (* x (* 2.0 y)) (- x y))
  (* (fma x x (* y (+ y x))) (* y (* 2.0 x)))
  (* (+ y x) (* x (* 2.0 y)))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
11.929 * * * [progress]: adding candidates to table
12.037 * * [progress]: iteration 2 / 4
12.037 * * * [progress]: picking best candidate
12.040 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ 0.5 y) (/ 0.5 x)))>
12.040 * * * [progress]: localizing error
12.047 * * * [progress]: generating rewritten candidates
12.047 * * * [progress]: generating series expansions
12.047 * * * [progress]: simplifying candidates
12.047 * [simplify]: Simplifying:
  
12.047 * * [simplify]: iteration 0: 0 enodes
12.047 * * [simplify]: iteration complete: 0 enodes
12.047 * * [simplify]: Extracting #0: cost 0 inf + 0
12.047 * [simplify]: Simplified to:
  
12.047 * * * [progress]: adding candidates to table
12.047 * [progress]: [Phase 3 of 3] Extracting.
12.050 * [simplify]: Simplifying:
  (- (/ 0.5 y) (/ 0.5 x))
12.050 * * [simplify]: iteration 0: 6 enodes
12.050 * * [simplify]: iteration complete: 6 enodes
12.050 * * [simplify]: Extracting #0: cost 1 inf + 0
12.051 * * [simplify]: Extracting #1: cost 3 inf + 0
12.051 * * [simplify]: Extracting #2: cost 6 inf + 0
12.051 * * [simplify]: Extracting #3: cost 3 inf + 3
12.051 * * [simplify]: Extracting #4: cost 0 inf + 210
12.051 * [simplify]: Simplified to:
  (- (/ 0.5 y) (/ 0.5 x))
12.899 * [regime-testing]: Baseline error score: 0.014251781472684086
12.911 * [regime-testing]: Oracle error score: 0.014251781472684086
12.911 * [regime-testing]: End program error score: 0.014251781472684086
13.021 * [regime-testing]: Target error score: 0.014251781472684086