13.458 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.038 * * * [progress]: [2/2] Setting up program.
0.040 * [progress]: [Phase 2 of 3] Improving.
0.040 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (* x x) (* y y)))>
0.041 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.041 * * [simplify]: iteration 0: 5 enodes
0.042 * * [simplify]: iteration 1: 11 enodes
0.043 * * [simplify]: iteration 2: 18 enodes
0.046 * * [simplify]: iteration 3: 35 enodes
0.052 * * [simplify]: iteration 4: 67 enodes
0.069 * * [simplify]: iteration 5: 160 enodes
0.125 * * [simplify]: iteration 6: 287 enodes
0.261 * * [simplify]: iteration 7: 530 enodes
0.944 * * [simplify]: iteration 8: 1490 enodes
5.588 * * [simplify]: iteration complete: 5002 enodes
5.588 * * [simplify]: Extracting #0: cost 1 inf + 0
5.589 * * [simplify]: Extracting #1: cost 279 inf + 0
5.598 * * [simplify]: Extracting #2: cost 916 inf + 3714
5.619 * * [simplify]: Extracting #3: cost 430 inf + 88979
5.672 * * [simplify]: Extracting #4: cost 13 inf + 199588
5.728 * * [simplify]: Extracting #5: cost 0 inf + 202574
5.800 * [simplify]: Simplified to:
  (- (* x x) (* y y))
5.801 * * [progress]: iteration 1 / 4
5.801 * * * [progress]: picking best candidate
5.803 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
5.803 * * * [progress]: localizing error
5.812 * * * [progress]: generating rewritten candidates
5.812 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
5.821 * * * [progress]: generating series expansions
5.821 * * * * [progress]: [ 1 / 1 ] generating series at (2)
5.822 * [backup-simplify]: Simplify (- (* x x) (* y y)) into (- (pow x 2) (pow y 2))
5.822 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
5.822 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
5.822 * [taylor]: Taking taylor expansion of (pow x 2) in y
5.822 * [taylor]: Taking taylor expansion of x in y
5.822 * [backup-simplify]: Simplify x into x
5.822 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.822 * [taylor]: Taking taylor expansion of y in y
5.822 * [backup-simplify]: Simplify 0 into 0
5.822 * [backup-simplify]: Simplify 1 into 1
5.822 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
5.822 * [taylor]: Taking taylor expansion of (pow x 2) in x
5.822 * [taylor]: Taking taylor expansion of x in x
5.822 * [backup-simplify]: Simplify 0 into 0
5.822 * [backup-simplify]: Simplify 1 into 1
5.822 * [taylor]: Taking taylor expansion of (pow y 2) in x
5.822 * [taylor]: Taking taylor expansion of y in x
5.822 * [backup-simplify]: Simplify y into y
5.822 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
5.822 * [taylor]: Taking taylor expansion of (pow x 2) in x
5.822 * [taylor]: Taking taylor expansion of x in x
5.822 * [backup-simplify]: Simplify 0 into 0
5.822 * [backup-simplify]: Simplify 1 into 1
5.822 * [taylor]: Taking taylor expansion of (pow y 2) in x
5.822 * [taylor]: Taking taylor expansion of y in x
5.822 * [backup-simplify]: Simplify y into y
5.822 * [backup-simplify]: Simplify (* y y) into (pow y 2)
5.822 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
5.822 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
5.822 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
5.822 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.822 * [taylor]: Taking taylor expansion of y in y
5.822 * [backup-simplify]: Simplify 0 into 0
5.822 * [backup-simplify]: Simplify 1 into 1
5.822 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
5.823 * [backup-simplify]: Simplify (- 0) into 0
5.823 * [backup-simplify]: Simplify (+ 0 0) into 0
5.823 * [taylor]: Taking taylor expansion of 0 in y
5.823 * [backup-simplify]: Simplify 0 into 0
5.823 * [backup-simplify]: Simplify 0 into 0
5.823 * [backup-simplify]: Simplify (* 1 1) into 1
5.824 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
5.824 * [backup-simplify]: Simplify (- 0) into 0
5.824 * [backup-simplify]: Simplify (+ 1 0) into 1
5.824 * [taylor]: Taking taylor expansion of 1 in y
5.824 * [backup-simplify]: Simplify 1 into 1
5.824 * [backup-simplify]: Simplify 1 into 1
5.824 * [backup-simplify]: Simplify 0 into 0
5.825 * [backup-simplify]: Simplify (* 1 1) into 1
5.825 * [backup-simplify]: Simplify (- 1) into -1
5.825 * [backup-simplify]: Simplify -1 into -1
5.825 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
5.826 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
5.826 * [backup-simplify]: Simplify (- 0) into 0
5.826 * [backup-simplify]: Simplify (+ 0 0) into 0
5.826 * [taylor]: Taking taylor expansion of 0 in y
5.826 * [backup-simplify]: Simplify 0 into 0
5.826 * [backup-simplify]: Simplify 0 into 0
5.826 * [backup-simplify]: Simplify 0 into 0
5.826 * [backup-simplify]: Simplify 0 into 0
5.827 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
5.827 * [backup-simplify]: Simplify (- 0) into 0
5.827 * [backup-simplify]: Simplify 0 into 0
5.828 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
5.828 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
5.829 * [backup-simplify]: Simplify (- 0) into 0
5.829 * [backup-simplify]: Simplify (+ 0 0) into 0
5.829 * [taylor]: Taking taylor expansion of 0 in y
5.829 * [backup-simplify]: Simplify 0 into 0
5.829 * [backup-simplify]: Simplify 0 into 0
5.829 * [backup-simplify]: Simplify 0 into 0
5.829 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
5.829 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
5.829 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
5.829 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
5.829 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
5.829 * [taylor]: Taking taylor expansion of (pow x 2) in y
5.829 * [taylor]: Taking taylor expansion of x in y
5.829 * [backup-simplify]: Simplify x into x
5.829 * [backup-simplify]: Simplify (* x x) into (pow x 2)
5.829 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
5.829 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
5.829 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.830 * [taylor]: Taking taylor expansion of y in y
5.830 * [backup-simplify]: Simplify 0 into 0
5.830 * [backup-simplify]: Simplify 1 into 1
5.830 * [backup-simplify]: Simplify (* 1 1) into 1
5.830 * [backup-simplify]: Simplify (/ 1 1) into 1
5.830 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
5.830 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
5.830 * [taylor]: Taking taylor expansion of (pow x 2) in x
5.830 * [taylor]: Taking taylor expansion of x in x
5.830 * [backup-simplify]: Simplify 0 into 0
5.830 * [backup-simplify]: Simplify 1 into 1
5.830 * [backup-simplify]: Simplify (* 1 1) into 1
5.831 * [backup-simplify]: Simplify (/ 1 1) into 1
5.831 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
5.831 * [taylor]: Taking taylor expansion of (pow y 2) in x
5.831 * [taylor]: Taking taylor expansion of y in x
5.831 * [backup-simplify]: Simplify y into y
5.831 * [backup-simplify]: Simplify (* y y) into (pow y 2)
5.831 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
5.831 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
5.831 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
5.831 * [taylor]: Taking taylor expansion of (pow x 2) in x
5.831 * [taylor]: Taking taylor expansion of x in x
5.831 * [backup-simplify]: Simplify 0 into 0
5.831 * [backup-simplify]: Simplify 1 into 1
5.831 * [backup-simplify]: Simplify (* 1 1) into 1
5.831 * [backup-simplify]: Simplify (/ 1 1) into 1
5.831 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
5.831 * [taylor]: Taking taylor expansion of (pow y 2) in x
5.831 * [taylor]: Taking taylor expansion of y in x
5.831 * [backup-simplify]: Simplify y into y
5.832 * [backup-simplify]: Simplify (* y y) into (pow y 2)
5.832 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
5.832 * [backup-simplify]: Simplify (+ 1 0) into 1
5.832 * [taylor]: Taking taylor expansion of 1 in y
5.832 * [backup-simplify]: Simplify 1 into 1
5.833 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
5.833 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.833 * [backup-simplify]: Simplify (+ 0 0) into 0
5.833 * [taylor]: Taking taylor expansion of 0 in y
5.833 * [backup-simplify]: Simplify 0 into 0
5.834 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
5.834 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.834 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
5.834 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
5.835 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
5.835 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
5.835 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.835 * [taylor]: Taking taylor expansion of y in y
5.835 * [backup-simplify]: Simplify 0 into 0
5.835 * [backup-simplify]: Simplify 1 into 1
5.835 * [backup-simplify]: Simplify (* 1 1) into 1
5.835 * [backup-simplify]: Simplify (/ 1 1) into 1
5.835 * [backup-simplify]: Simplify (- 1) into -1
5.835 * [backup-simplify]: Simplify -1 into -1
5.835 * [backup-simplify]: Simplify 1 into 1
5.836 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
5.837 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.837 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
5.837 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
5.837 * [backup-simplify]: Simplify (- 0) into 0
5.837 * [backup-simplify]: Simplify (+ 0 0) into 0
5.837 * [taylor]: Taking taylor expansion of 0 in y
5.837 * [backup-simplify]: Simplify 0 into 0
5.841 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
5.841 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.841 * [backup-simplify]: Simplify (- 0) into 0
5.841 * [backup-simplify]: Simplify 0 into 0
5.841 * [backup-simplify]: Simplify 0 into 0
5.841 * [backup-simplify]: Simplify 0 into 0
5.842 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
5.843 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.843 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
5.843 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
5.843 * [backup-simplify]: Simplify (- 0) into 0
5.844 * [backup-simplify]: Simplify (+ 0 0) into 0
5.844 * [taylor]: Taking taylor expansion of 0 in y
5.844 * [backup-simplify]: Simplify 0 into 0
5.844 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
5.845 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.845 * [backup-simplify]: Simplify (- 0) into 0
5.845 * [backup-simplify]: Simplify 0 into 0
5.845 * [backup-simplify]: Simplify 0 into 0
5.845 * [backup-simplify]: Simplify 0 into 0
5.845 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
5.846 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
5.846 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
5.846 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
5.846 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
5.846 * [taylor]: Taking taylor expansion of (pow x 2) in y
5.846 * [taylor]: Taking taylor expansion of x in y
5.846 * [backup-simplify]: Simplify x into x
5.846 * [backup-simplify]: Simplify (* x x) into (pow x 2)
5.846 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
5.846 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
5.846 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.846 * [taylor]: Taking taylor expansion of y in y
5.846 * [backup-simplify]: Simplify 0 into 0
5.846 * [backup-simplify]: Simplify 1 into 1
5.846 * [backup-simplify]: Simplify (* 1 1) into 1
5.846 * [backup-simplify]: Simplify (/ 1 1) into 1
5.846 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
5.846 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
5.846 * [taylor]: Taking taylor expansion of (pow x 2) in x
5.846 * [taylor]: Taking taylor expansion of x in x
5.846 * [backup-simplify]: Simplify 0 into 0
5.846 * [backup-simplify]: Simplify 1 into 1
5.847 * [backup-simplify]: Simplify (* 1 1) into 1
5.847 * [backup-simplify]: Simplify (/ 1 1) into 1
5.847 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
5.847 * [taylor]: Taking taylor expansion of (pow y 2) in x
5.847 * [taylor]: Taking taylor expansion of y in x
5.847 * [backup-simplify]: Simplify y into y
5.847 * [backup-simplify]: Simplify (* y y) into (pow y 2)
5.847 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
5.847 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
5.848 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
5.848 * [taylor]: Taking taylor expansion of (pow x 2) in x
5.848 * [taylor]: Taking taylor expansion of x in x
5.848 * [backup-simplify]: Simplify 0 into 0
5.848 * [backup-simplify]: Simplify 1 into 1
5.848 * [backup-simplify]: Simplify (* 1 1) into 1
5.848 * [backup-simplify]: Simplify (/ 1 1) into 1
5.848 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
5.848 * [taylor]: Taking taylor expansion of (pow y 2) in x
5.848 * [taylor]: Taking taylor expansion of y in x
5.848 * [backup-simplify]: Simplify y into y
5.849 * [backup-simplify]: Simplify (* y y) into (pow y 2)
5.849 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
5.849 * [backup-simplify]: Simplify (+ 1 0) into 1
5.849 * [taylor]: Taking taylor expansion of 1 in y
5.849 * [backup-simplify]: Simplify 1 into 1
5.850 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
5.851 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.851 * [backup-simplify]: Simplify (+ 0 0) into 0
5.851 * [taylor]: Taking taylor expansion of 0 in y
5.851 * [backup-simplify]: Simplify 0 into 0
5.852 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
5.853 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.853 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
5.853 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
5.853 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
5.853 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
5.853 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.853 * [taylor]: Taking taylor expansion of y in y
5.853 * [backup-simplify]: Simplify 0 into 0
5.853 * [backup-simplify]: Simplify 1 into 1
5.853 * [backup-simplify]: Simplify (* 1 1) into 1
5.854 * [backup-simplify]: Simplify (/ 1 1) into 1
5.854 * [backup-simplify]: Simplify (- 1) into -1
5.854 * [backup-simplify]: Simplify -1 into -1
5.854 * [backup-simplify]: Simplify 1 into 1
5.855 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
5.856 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.856 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
5.856 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
5.857 * [backup-simplify]: Simplify (- 0) into 0
5.857 * [backup-simplify]: Simplify (+ 0 0) into 0
5.857 * [taylor]: Taking taylor expansion of 0 in y
5.857 * [backup-simplify]: Simplify 0 into 0
5.858 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
5.859 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.859 * [backup-simplify]: Simplify (- 0) into 0
5.859 * [backup-simplify]: Simplify 0 into 0
5.859 * [backup-simplify]: Simplify 0 into 0
5.859 * [backup-simplify]: Simplify 0 into 0
5.860 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
5.861 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.862 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
5.862 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
5.862 * [backup-simplify]: Simplify (- 0) into 0
5.863 * [backup-simplify]: Simplify (+ 0 0) into 0
5.863 * [taylor]: Taking taylor expansion of 0 in y
5.863 * [backup-simplify]: Simplify 0 into 0
5.864 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
5.864 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.865 * [backup-simplify]: Simplify (- 0) into 0
5.865 * [backup-simplify]: Simplify 0 into 0
5.865 * [backup-simplify]: Simplify 0 into 0
5.865 * [backup-simplify]: Simplify 0 into 0
5.865 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
5.865 * * * [progress]: simplifying candidates
5.865 * * * * [progress]: [ 1 / 21 ] simplifiying candidate #<alt (λ (x y) (+ (fma x x (- (* y y))) (fma (- y) y (* y y))))>
5.865 * * * * [progress]: [ 2 / 21 ] simplifiying candidate #<alt (λ (x y) (log1p (expm1 (- (* x x) (* y y)))))>
5.865 * * * * [progress]: [ 3 / 21 ] simplifiying candidate #<alt (λ (x y) (expm1 (log1p (- (* x x) (* y y)))))>
5.866 * * * * [progress]: [ 4 / 21 ] simplifiying candidate #<alt (λ (x y) (fma x x (- (* y y))))>
5.866 * * * * [progress]: [ 5 / 21 ] simplifiying candidate #<alt (λ (x y) (log (/ (exp (* x x)) (exp (* y y)))))>
5.866 * * * * [progress]: [ 6 / 21 ] simplifiying candidate #<alt (λ (x y) (pow (- (* x x) (* y y)) 1))>
5.866 * * * * [progress]: [ 7 / 21 ] simplifiying candidate #<alt (λ (x y) (exp (log (- (* x x) (* y y)))))>
5.866 * * * * [progress]: [ 8 / 21 ] simplifiying candidate #<alt (λ (x y) (log (exp (- (* x x) (* y y)))))>
5.866 * * * * [progress]: [ 9 / 21 ] simplifiying candidate #<alt (λ (x y) (* (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))) (cbrt (- (* x x) (* y y)))))>
5.866 * * * * [progress]: [ 10 / 21 ] simplifiying candidate #<alt (λ (x y) (cbrt (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))))>
5.866 * * * * [progress]: [ 11 / 21 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (- (* x x) (* y y))) (sqrt (- (* x x) (* y y)))))>
5.866 * * * * [progress]: [ 12 / 21 ] simplifiying candidate #<alt (λ (x y) (/ (- (pow (* x x) 3) (pow (* y y) 3)) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))))>
5.866 * * * * [progress]: [ 13 / 21 ] simplifiying candidate #<alt (λ (x y) (+ (* x x) (- (* y y))))>
5.866 * * * * [progress]: [ 14 / 21 ] simplifiying candidate #<alt (λ (x y) (* 1 (- (* x x) (* y y))))>
5.866 * * * * [progress]: [ 15 / 21 ] simplifiying candidate #<alt (λ (x y) (/ (- (* (* x x) (* x x)) (* (* y y) (* y y))) (+ (* x x) (* y y))))>
5.866 * * * * [progress]: [ 16 / 21 ] simplifiying candidate #<alt (λ (x y) (* (+ x y) (- x y)))>
5.866 * * * * [progress]: [ 17 / 21 ] simplifiying candidate #<alt (λ (x y) (+ (* x x) (- (* y y))))>
5.866 * * * * [progress]: [ 18 / 21 ] simplifiying candidate #<alt (λ (x y) (posit16->real (real->posit16 (- (* x x) (* y y)))))>
5.866 * * * * [progress]: [ 19 / 21 ] simplifiying candidate #<alt (λ (x y) (- (pow x 2) (pow y 2)))>
5.866 * * * * [progress]: [ 20 / 21 ] simplifiying candidate #<alt (λ (x y) (- (pow x 2) (pow y 2)))>
5.866 * * * * [progress]: [ 21 / 21 ] simplifiying candidate #<alt (λ (x y) (- (pow x 2) (pow y 2)))>
5.867 * [simplify]: Simplifying:
  (fma x x (- (* y y)))
  (fma (- y) y (* y y))
  (expm1 (- (* x x) (* y y)))
  (log1p (- (* x x) (* y y)))
  (- (* y y))
  (/ (exp (* x x)) (exp (* y y)))
  (log (- (* x x) (* y y)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow (* x x) 3) (pow (* y y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))
  (- (* y y))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (- (* y y))
  (real->posit16 (- (* x x) (* y y)))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
5.867 * * [simplify]: iteration 0: 39 enodes
5.880 * * [simplify]: iteration 1: 102 enodes
5.911 * * [simplify]: iteration 2: 293 enodes
6.057 * * [simplify]: iteration 3: 1354 enodes
7.291 * * [simplify]: iteration complete: 5004 enodes
7.291 * * [simplify]: Extracting #0: cost 18 inf + 0
7.293 * * [simplify]: Extracting #1: cost 438 inf + 1
7.304 * * [simplify]: Extracting #2: cost 1248 inf + 14669
7.364 * * [simplify]: Extracting #3: cost 906 inf + 149730
7.479 * * [simplify]: Extracting #4: cost 119 inf + 335861
7.603 * * [simplify]: Extracting #5: cost 14 inf + 354202
7.671 * * [simplify]: Extracting #6: cost 0 inf + 358749
7.763 * [simplify]: Simplified to:
  (* (+ x y) (- x y))
  0
  (expm1 (* (+ x y) (- x y)))
  (log1p (* (+ x y) (- x y)))
  (- (* y y))
  (exp (* (+ x y) (- x y)))
  (log (* (+ x y) (- x y)))
  (exp (* (+ x y) (- x y)))
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (* (* (* (+ x y) (- x y)) (* (+ x y) (- x y))) (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (+ (* (* x x) x) (* (* y y) y)) (- (* (* x x) x) (* (* y y) y)))
  (fma (* y y) (* x x) (fma (* y y) (* y y) (* (* x x) (* x x))))
  (- (* y y))
  (* (+ (* x x) (* y y)) (- (* x x) (* y y)))
  (fma x x (* y y))
  (+ y x)
  (- x y)
  (- (* y y))
  (real->posit16 (* (+ x y) (- x y)))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
7.764 * * * [progress]: adding candidates to table
7.853 * * [progress]: iteration 2 / 4
7.853 * * * [progress]: picking best candidate
7.855 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
7.855 * * * [progress]: localizing error
7.863 * * * [progress]: generating rewritten candidates
7.864 * * * [progress]: generating series expansions
7.864 * * * [progress]: simplifying candidates
7.864 * [simplify]: Simplifying:
  
7.864 * * [simplify]: iteration 0: 0 enodes
7.864 * * [simplify]: iteration complete: 0 enodes
7.864 * * [simplify]: Extracting #0: cost 0 inf + 0
7.864 * [simplify]: Simplified to:
  
7.864 * * * [progress]: adding candidates to table
7.864 * [progress]: [Phase 3 of 3] Extracting.
7.866 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
7.866 * * [simplify]: iteration 0: 5 enodes
7.867 * * [simplify]: iteration 1: 7 enodes
7.867 * * [simplify]: iteration complete: 7 enodes
7.867 * * [simplify]: Extracting #0: cost 1 inf + 0
7.867 * * [simplify]: Extracting #1: cost 3 inf + 0
7.867 * * [simplify]: Extracting #2: cost 5 inf + 0
7.867 * * [simplify]: Extracting #3: cost 3 inf + 2
7.867 * * [simplify]: Extracting #4: cost 0 inf + 208
7.867 * [simplify]: Simplified to:
  (* (+ y x) (- x y))
9.844 * [regime-testing]: Baseline error score: 0.0005000625078134767
9.851 * [regime-testing]: Oracle error score: 0.0005000625078134767
9.851 * [regime-testing]: End program error score: 0.0005000625078134767