1.410 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.037 * * * [progress]: [2/2] Setting up program.
0.042 * [progress]: [Phase 2 of 3] Improving.
0.043 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.043 * * [simplify]: iteration 0: 5 enodes
0.044 * * [simplify]: iteration 1: 10 enodes
0.048 * * [simplify]: iteration 2: 17 enodes
0.052 * * [simplify]: iteration 3: 32 enodes
0.062 * * [simplify]: iteration 4: 58 enodes
0.095 * * [simplify]: iteration 5: 129 enodes
0.145 * * [simplify]: iteration 6: 281 enodes
0.305 * * [simplify]: iteration 7: 703 enodes
1.345 * * [simplify]: iteration 8: 3184 enodes
2.906 * * [simplify]: iteration complete: 5000 enodes
2.906 * * [simplify]: Extracting #0: cost 1 inf + 0
2.907 * * [simplify]: Extracting #1: cost 139 inf + 0
2.912 * * [simplify]: Extracting #2: cost 1135 inf + 3
2.919 * * [simplify]: Extracting #3: cost 1018 inf + 1047
2.927 * * [simplify]: Extracting #4: cost 149 inf + 6906
2.942 * * [simplify]: Extracting #5: cost 1 inf + 8257
2.949 * * [simplify]: Extracting #6: cost 0 inf + 8263
2.956 * [simplify]: Simplified to:
  (- (* x x) (* y y))
2.956 * * [progress]: iteration 1 / 4
2.957 * * * [progress]: picking best candidate
2.961 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
2.962 * * * [progress]: localizing error
2.975 * * * [progress]: generating rewritten candidates
2.975 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.988 * * * [progress]: generating series expansions
2.988 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.989 * [backup-simplify]: Simplify (- (* x x) (* y y)) into (- (pow x 2) (pow y 2))
2.989 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
2.989 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
2.989 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.989 * [taylor]: Taking taylor expansion of x in y
2.989 * [backup-simplify]: Simplify x into x
2.989 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.989 * [taylor]: Taking taylor expansion of y in y
2.989 * [backup-simplify]: Simplify 0 into 0
2.989 * [backup-simplify]: Simplify 1 into 1
2.989 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
2.989 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.989 * [taylor]: Taking taylor expansion of x in x
2.989 * [backup-simplify]: Simplify 0 into 0
2.989 * [backup-simplify]: Simplify 1 into 1
2.989 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.989 * [taylor]: Taking taylor expansion of y in x
2.989 * [backup-simplify]: Simplify y into y
2.989 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
2.989 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.989 * [taylor]: Taking taylor expansion of x in x
2.989 * [backup-simplify]: Simplify 0 into 0
2.989 * [backup-simplify]: Simplify 1 into 1
2.989 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.989 * [taylor]: Taking taylor expansion of y in x
2.989 * [backup-simplify]: Simplify y into y
2.990 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.990 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
2.990 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
2.990 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
2.990 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.990 * [taylor]: Taking taylor expansion of y in y
2.990 * [backup-simplify]: Simplify 0 into 0
2.990 * [backup-simplify]: Simplify 1 into 1
2.990 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.991 * [backup-simplify]: Simplify (- 0) into 0
2.992 * [backup-simplify]: Simplify (+ 0 0) into 0
2.992 * [taylor]: Taking taylor expansion of 0 in y
2.992 * [backup-simplify]: Simplify 0 into 0
2.992 * [backup-simplify]: Simplify 0 into 0
2.992 * [backup-simplify]: Simplify (* 1 1) into 1
2.993 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
2.994 * [backup-simplify]: Simplify (- 0) into 0
2.994 * [backup-simplify]: Simplify (+ 1 0) into 1
2.994 * [taylor]: Taking taylor expansion of 1 in y
2.994 * [backup-simplify]: Simplify 1 into 1
2.994 * [backup-simplify]: Simplify 1 into 1
2.994 * [backup-simplify]: Simplify 0 into 0
2.995 * [backup-simplify]: Simplify (* 1 1) into 1
2.995 * [backup-simplify]: Simplify (- 1) into -1
2.995 * [backup-simplify]: Simplify -1 into -1
2.996 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.997 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
2.998 * [backup-simplify]: Simplify (- 0) into 0
2.998 * [backup-simplify]: Simplify (+ 0 0) into 0
2.998 * [taylor]: Taking taylor expansion of 0 in y
2.998 * [backup-simplify]: Simplify 0 into 0
2.998 * [backup-simplify]: Simplify 0 into 0
2.998 * [backup-simplify]: Simplify 0 into 0
2.998 * [backup-simplify]: Simplify 0 into 0
2.999 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.000 * [backup-simplify]: Simplify (- 0) into 0
3.000 * [backup-simplify]: Simplify 0 into 0
3.001 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.002 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
3.002 * [backup-simplify]: Simplify (- 0) into 0
3.003 * [backup-simplify]: Simplify (+ 0 0) into 0
3.003 * [taylor]: Taking taylor expansion of 0 in y
3.003 * [backup-simplify]: Simplify 0 into 0
3.003 * [backup-simplify]: Simplify 0 into 0
3.003 * [backup-simplify]: Simplify 0 into 0
3.003 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
3.004 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
3.004 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
3.004 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
3.004 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
3.004 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.004 * [taylor]: Taking taylor expansion of x in y
3.004 * [backup-simplify]: Simplify x into x
3.004 * [backup-simplify]: Simplify (* x x) into (pow x 2)
3.004 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
3.004 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.004 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.004 * [taylor]: Taking taylor expansion of y in y
3.004 * [backup-simplify]: Simplify 0 into 0
3.004 * [backup-simplify]: Simplify 1 into 1
3.005 * [backup-simplify]: Simplify (* 1 1) into 1
3.005 * [backup-simplify]: Simplify (/ 1 1) into 1
3.005 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
3.005 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.005 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.005 * [taylor]: Taking taylor expansion of x in x
3.005 * [backup-simplify]: Simplify 0 into 0
3.006 * [backup-simplify]: Simplify 1 into 1
3.006 * [backup-simplify]: Simplify (* 1 1) into 1
3.006 * [backup-simplify]: Simplify (/ 1 1) into 1
3.006 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
3.006 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.006 * [taylor]: Taking taylor expansion of y in x
3.006 * [backup-simplify]: Simplify y into y
3.006 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.007 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
3.007 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
3.007 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.007 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.007 * [taylor]: Taking taylor expansion of x in x
3.007 * [backup-simplify]: Simplify 0 into 0
3.007 * [backup-simplify]: Simplify 1 into 1
3.007 * [backup-simplify]: Simplify (* 1 1) into 1
3.008 * [backup-simplify]: Simplify (/ 1 1) into 1
3.008 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
3.008 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.008 * [taylor]: Taking taylor expansion of y in x
3.008 * [backup-simplify]: Simplify y into y
3.008 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.008 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
3.009 * [backup-simplify]: Simplify (+ 1 0) into 1
3.009 * [taylor]: Taking taylor expansion of 1 in y
3.009 * [backup-simplify]: Simplify 1 into 1
3.009 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.010 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.010 * [backup-simplify]: Simplify (+ 0 0) into 0
3.010 * [taylor]: Taking taylor expansion of 0 in y
3.010 * [backup-simplify]: Simplify 0 into 0
3.011 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.012 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.012 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
3.012 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
3.012 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.012 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.013 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.013 * [taylor]: Taking taylor expansion of y in y
3.013 * [backup-simplify]: Simplify 0 into 0
3.013 * [backup-simplify]: Simplify 1 into 1
3.013 * [backup-simplify]: Simplify (* 1 1) into 1
3.013 * [backup-simplify]: Simplify (/ 1 1) into 1
3.014 * [backup-simplify]: Simplify (- 1) into -1
3.014 * [backup-simplify]: Simplify -1 into -1
3.014 * [backup-simplify]: Simplify 1 into 1
3.015 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.016 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.016 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
3.016 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
3.016 * [backup-simplify]: Simplify (- 0) into 0
3.017 * [backup-simplify]: Simplify (+ 0 0) into 0
3.017 * [taylor]: Taking taylor expansion of 0 in y
3.017 * [backup-simplify]: Simplify 0 into 0
3.017 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.018 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.018 * [backup-simplify]: Simplify (- 0) into 0
3.018 * [backup-simplify]: Simplify 0 into 0
3.018 * [backup-simplify]: Simplify 0 into 0
3.019 * [backup-simplify]: Simplify 0 into 0
3.020 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.021 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.021 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
3.022 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
3.022 * [backup-simplify]: Simplify (- 0) into 0
3.022 * [backup-simplify]: Simplify (+ 0 0) into 0
3.022 * [taylor]: Taking taylor expansion of 0 in y
3.022 * [backup-simplify]: Simplify 0 into 0
3.024 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.024 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.025 * [backup-simplify]: Simplify (- 0) into 0
3.025 * [backup-simplify]: Simplify 0 into 0
3.025 * [backup-simplify]: Simplify 0 into 0
3.025 * [backup-simplify]: Simplify 0 into 0
3.025 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
3.026 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
3.026 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
3.026 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
3.026 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
3.026 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.026 * [taylor]: Taking taylor expansion of x in y
3.026 * [backup-simplify]: Simplify x into x
3.026 * [backup-simplify]: Simplify (* x x) into (pow x 2)
3.026 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
3.026 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.026 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.026 * [taylor]: Taking taylor expansion of y in y
3.026 * [backup-simplify]: Simplify 0 into 0
3.026 * [backup-simplify]: Simplify 1 into 1
3.027 * [backup-simplify]: Simplify (* 1 1) into 1
3.027 * [backup-simplify]: Simplify (/ 1 1) into 1
3.027 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
3.027 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.027 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.027 * [taylor]: Taking taylor expansion of x in x
3.027 * [backup-simplify]: Simplify 0 into 0
3.027 * [backup-simplify]: Simplify 1 into 1
3.028 * [backup-simplify]: Simplify (* 1 1) into 1
3.028 * [backup-simplify]: Simplify (/ 1 1) into 1
3.028 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
3.028 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.028 * [taylor]: Taking taylor expansion of y in x
3.028 * [backup-simplify]: Simplify y into y
3.028 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.028 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
3.028 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
3.028 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.028 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.028 * [taylor]: Taking taylor expansion of x in x
3.028 * [backup-simplify]: Simplify 0 into 0
3.028 * [backup-simplify]: Simplify 1 into 1
3.029 * [backup-simplify]: Simplify (* 1 1) into 1
3.029 * [backup-simplify]: Simplify (/ 1 1) into 1
3.029 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
3.029 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.029 * [taylor]: Taking taylor expansion of y in x
3.029 * [backup-simplify]: Simplify y into y
3.029 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.029 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
3.030 * [backup-simplify]: Simplify (+ 1 0) into 1
3.030 * [taylor]: Taking taylor expansion of 1 in y
3.030 * [backup-simplify]: Simplify 1 into 1
3.031 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.031 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.032 * [backup-simplify]: Simplify (+ 0 0) into 0
3.032 * [taylor]: Taking taylor expansion of 0 in y
3.032 * [backup-simplify]: Simplify 0 into 0
3.033 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.033 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.034 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
3.034 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
3.034 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.034 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.034 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.034 * [taylor]: Taking taylor expansion of y in y
3.034 * [backup-simplify]: Simplify 0 into 0
3.034 * [backup-simplify]: Simplify 1 into 1
3.035 * [backup-simplify]: Simplify (* 1 1) into 1
3.035 * [backup-simplify]: Simplify (/ 1 1) into 1
3.035 * [backup-simplify]: Simplify (- 1) into -1
3.035 * [backup-simplify]: Simplify -1 into -1
3.035 * [backup-simplify]: Simplify 1 into 1
3.036 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.037 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.037 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
3.038 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
3.038 * [backup-simplify]: Simplify (- 0) into 0
3.039 * [backup-simplify]: Simplify (+ 0 0) into 0
3.039 * [taylor]: Taking taylor expansion of 0 in y
3.039 * [backup-simplify]: Simplify 0 into 0
3.039 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.040 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.040 * [backup-simplify]: Simplify (- 0) into 0
3.040 * [backup-simplify]: Simplify 0 into 0
3.040 * [backup-simplify]: Simplify 0 into 0
3.040 * [backup-simplify]: Simplify 0 into 0
3.042 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.042 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.042 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
3.043 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
3.043 * [backup-simplify]: Simplify (- 0) into 0
3.043 * [backup-simplify]: Simplify (+ 0 0) into 0
3.043 * [taylor]: Taking taylor expansion of 0 in y
3.043 * [backup-simplify]: Simplify 0 into 0
3.044 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.044 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.045 * [backup-simplify]: Simplify (- 0) into 0
3.045 * [backup-simplify]: Simplify 0 into 0
3.045 * [backup-simplify]: Simplify 0 into 0
3.045 * [backup-simplify]: Simplify 0 into 0
3.045 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
3.045 * * * [progress]: simplifying candidates
3.046 * [simplify]: Simplifying:
  (/ (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))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
3.046 * * [simplify]: iteration 0: 33 enodes
3.053 * * [simplify]: iteration 1: 111 enodes
3.105 * * [simplify]: iteration 2: 589 enodes
3.425 * * [simplify]: iteration complete: 5000 enodes
3.426 * * [simplify]: Extracting #0: cost 14 inf + 0
3.427 * * [simplify]: Extracting #1: cost 378 inf + 0
3.435 * * [simplify]: Extracting #2: cost 1741 inf + 421
3.445 * * [simplify]: Extracting #3: cost 1092 inf + 8480
3.452 * * [simplify]: Extracting #4: cost 185 inf + 14419
3.460 * * [simplify]: Extracting #5: cost 22 inf + 15490
3.469 * * [simplify]: Extracting #6: cost 0 inf + 15618
3.487 * [simplify]: Simplified to:
  (pow (exp (+ x y)) (- x y))
  (log (* (+ x y) (- x y)))
  (pow (exp (+ x y)) (- x y))
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (pow (* (+ x y) (- x y)) 3)
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (- (pow x 6) (pow y 6))
  (+ (* y (+ (* y (* x x)) (pow y 3))) (pow x 4))
  (* (- y) y)
  (- (pow x 4) (pow y 4))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (* (- y) y)
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
3.487 * * * [progress]: adding candidates to table
3.533 * * [progress]: iteration 2 / 4
3.533 * * * [progress]: picking best candidate
3.538 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
3.538 * * * [progress]: localizing error
3.551 * * * [progress]: generating rewritten candidates
3.551 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.607 * * * [progress]: generating series expansions
3.607 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.607 * [backup-simplify]: Simplify (* (+ x y) (- x y)) into (* (+ x y) (- x y))
3.607 * [approximate]: Taking taylor expansion of (* (+ x y) (- x y)) in (x y) around 0
3.607 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
3.607 * [taylor]: Taking taylor expansion of (+ x y) in y
3.607 * [taylor]: Taking taylor expansion of x in y
3.607 * [backup-simplify]: Simplify x into x
3.607 * [taylor]: Taking taylor expansion of y in y
3.607 * [backup-simplify]: Simplify 0 into 0
3.607 * [backup-simplify]: Simplify 1 into 1
3.607 * [taylor]: Taking taylor expansion of (- x y) in y
3.607 * [taylor]: Taking taylor expansion of x in y
3.607 * [backup-simplify]: Simplify x into x
3.607 * [taylor]: Taking taylor expansion of y in y
3.607 * [backup-simplify]: Simplify 0 into 0
3.607 * [backup-simplify]: Simplify 1 into 1
3.607 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
3.607 * [taylor]: Taking taylor expansion of (+ x y) in x
3.607 * [taylor]: Taking taylor expansion of x in x
3.607 * [backup-simplify]: Simplify 0 into 0
3.607 * [backup-simplify]: Simplify 1 into 1
3.607 * [taylor]: Taking taylor expansion of y in x
3.607 * [backup-simplify]: Simplify y into y
3.607 * [taylor]: Taking taylor expansion of (- x y) in x
3.607 * [taylor]: Taking taylor expansion of x in x
3.607 * [backup-simplify]: Simplify 0 into 0
3.607 * [backup-simplify]: Simplify 1 into 1
3.607 * [taylor]: Taking taylor expansion of y in x
3.607 * [backup-simplify]: Simplify y into y
3.607 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
3.607 * [taylor]: Taking taylor expansion of (+ x y) in x
3.607 * [taylor]: Taking taylor expansion of x in x
3.607 * [backup-simplify]: Simplify 0 into 0
3.608 * [backup-simplify]: Simplify 1 into 1
3.608 * [taylor]: Taking taylor expansion of y in x
3.608 * [backup-simplify]: Simplify y into y
3.608 * [taylor]: Taking taylor expansion of (- x y) in x
3.608 * [taylor]: Taking taylor expansion of x in x
3.608 * [backup-simplify]: Simplify 0 into 0
3.608 * [backup-simplify]: Simplify 1 into 1
3.608 * [taylor]: Taking taylor expansion of y in x
3.608 * [backup-simplify]: Simplify y into y
3.608 * [backup-simplify]: Simplify (+ 0 y) into y
3.608 * [backup-simplify]: Simplify (- y) into (- y)
3.608 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
3.608 * [backup-simplify]: Simplify (* y (- y)) into (* -1 (pow y 2))
3.608 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
3.608 * [taylor]: Taking taylor expansion of -1 in y
3.608 * [backup-simplify]: Simplify -1 into -1
3.608 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.608 * [taylor]: Taking taylor expansion of y in y
3.608 * [backup-simplify]: Simplify 0 into 0
3.608 * [backup-simplify]: Simplify 1 into 1
3.608 * [backup-simplify]: Simplify (- 0) into 0
3.609 * [backup-simplify]: Simplify (+ 1 0) into 1
3.609 * [backup-simplify]: Simplify (+ 1 0) into 1
3.609 * [backup-simplify]: Simplify (+ (* y 1) (* 1 (- y))) into 0
3.609 * [taylor]: Taking taylor expansion of 0 in y
3.609 * [backup-simplify]: Simplify 0 into 0
3.609 * [backup-simplify]: Simplify 0 into 0
3.609 * [backup-simplify]: Simplify (- 0) into 0
3.610 * [backup-simplify]: Simplify (+ 0 0) into 0
3.610 * [backup-simplify]: Simplify (+ 0 0) into 0
3.610 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 1) (* 0 (- y)))) into 1
3.610 * [taylor]: Taking taylor expansion of 1 in y
3.610 * [backup-simplify]: Simplify 1 into 1
3.610 * [backup-simplify]: Simplify 1 into 1
3.610 * [backup-simplify]: Simplify 0 into 0
3.611 * [backup-simplify]: Simplify (* 1 1) into 1
3.611 * [backup-simplify]: Simplify (* -1 1) into -1
3.611 * [backup-simplify]: Simplify -1 into -1
3.611 * [backup-simplify]: Simplify (- 0) into 0
3.611 * [backup-simplify]: Simplify (+ 0 0) into 0
3.611 * [backup-simplify]: Simplify (+ 0 0) into 0
3.612 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- y))))) into 0
3.612 * [taylor]: Taking taylor expansion of 0 in y
3.612 * [backup-simplify]: Simplify 0 into 0
3.612 * [backup-simplify]: Simplify 0 into 0
3.612 * [backup-simplify]: Simplify 0 into 0
3.612 * [backup-simplify]: Simplify 0 into 0
3.613 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.613 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 1)) into 0
3.613 * [backup-simplify]: Simplify 0 into 0
3.613 * [backup-simplify]: Simplify (- 0) into 0
3.613 * [backup-simplify]: Simplify (+ 0 0) into 0
3.614 * [backup-simplify]: Simplify (+ 0 0) into 0
3.614 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y)))))) into 0
3.615 * [taylor]: Taking taylor expansion of 0 in y
3.615 * [backup-simplify]: Simplify 0 into 0
3.615 * [backup-simplify]: Simplify 0 into 0
3.615 * [backup-simplify]: Simplify 0 into 0
3.615 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
3.615 * [backup-simplify]: Simplify (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) into (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y)))
3.615 * [approximate]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in (x y) around 0
3.615 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in y
3.615 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
3.615 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.615 * [taylor]: Taking taylor expansion of x in y
3.615 * [backup-simplify]: Simplify x into x
3.615 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.615 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.615 * [taylor]: Taking taylor expansion of y in y
3.615 * [backup-simplify]: Simplify 0 into 0
3.615 * [backup-simplify]: Simplify 1 into 1
3.615 * [backup-simplify]: Simplify (/ 1 1) into 1
3.615 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
3.615 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.615 * [taylor]: Taking taylor expansion of x in y
3.616 * [backup-simplify]: Simplify x into x
3.616 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.616 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.616 * [taylor]: Taking taylor expansion of y in y
3.616 * [backup-simplify]: Simplify 0 into 0
3.616 * [backup-simplify]: Simplify 1 into 1
3.616 * [backup-simplify]: Simplify (/ 1 1) into 1
3.616 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in x
3.616 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.616 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.616 * [taylor]: Taking taylor expansion of x in x
3.616 * [backup-simplify]: Simplify 0 into 0
3.616 * [backup-simplify]: Simplify 1 into 1
3.616 * [backup-simplify]: Simplify (/ 1 1) into 1
3.616 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.616 * [taylor]: Taking taylor expansion of y in x
3.616 * [backup-simplify]: Simplify y into y
3.616 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.616 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
3.616 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.616 * [taylor]: Taking taylor expansion of x in x
3.616 * [backup-simplify]: Simplify 0 into 0
3.616 * [backup-simplify]: Simplify 1 into 1
3.617 * [backup-simplify]: Simplify (/ 1 1) into 1
3.617 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.617 * [taylor]: Taking taylor expansion of y in x
3.617 * [backup-simplify]: Simplify y into y
3.617 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.617 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in x
3.617 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.617 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.617 * [taylor]: Taking taylor expansion of x in x
3.617 * [backup-simplify]: Simplify 0 into 0
3.617 * [backup-simplify]: Simplify 1 into 1
3.617 * [backup-simplify]: Simplify (/ 1 1) into 1
3.617 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.617 * [taylor]: Taking taylor expansion of y in x
3.617 * [backup-simplify]: Simplify y into y
3.617 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.617 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
3.617 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.617 * [taylor]: Taking taylor expansion of x in x
3.617 * [backup-simplify]: Simplify 0 into 0
3.617 * [backup-simplify]: Simplify 1 into 1
3.617 * [backup-simplify]: Simplify (/ 1 1) into 1
3.617 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.618 * [taylor]: Taking taylor expansion of y in x
3.618 * [backup-simplify]: Simplify y into y
3.618 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.618 * [backup-simplify]: Simplify (+ 1 0) into 1
3.618 * [backup-simplify]: Simplify (+ 1 0) into 1
3.618 * [backup-simplify]: Simplify (* 1 1) into 1
3.618 * [taylor]: Taking taylor expansion of 1 in y
3.618 * [backup-simplify]: Simplify 1 into 1
3.619 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.619 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
3.619 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
3.619 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.619 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
3.620 * [backup-simplify]: Simplify (+ (* 1 (- (/ 1 y))) (* (/ 1 y) 1)) into 0
3.620 * [taylor]: Taking taylor expansion of 0 in y
3.620 * [backup-simplify]: Simplify 0 into 0
3.620 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.620 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.620 * [backup-simplify]: Simplify (- 0) into 0
3.621 * [backup-simplify]: Simplify (+ 0 0) into 0
3.621 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.621 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.621 * [backup-simplify]: Simplify (+ 0 0) into 0
3.622 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) (- (/ 1 y))) (* 0 1))) into (- (/ 1 (pow y 2)))
3.622 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.622 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.622 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.622 * [taylor]: Taking taylor expansion of y in y
3.622 * [backup-simplify]: Simplify 0 into 0
3.622 * [backup-simplify]: Simplify 1 into 1
3.622 * [backup-simplify]: Simplify (* 1 1) into 1
3.623 * [backup-simplify]: Simplify (/ 1 1) into 1
3.623 * [backup-simplify]: Simplify (- 1) into -1
3.623 * [backup-simplify]: Simplify -1 into -1
3.623 * [backup-simplify]: Simplify 1 into 1
3.624 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.624 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.624 * [backup-simplify]: Simplify (- 0) into 0
3.624 * [backup-simplify]: Simplify (+ 0 0) into 0
3.625 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.625 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.625 * [backup-simplify]: Simplify (+ 0 0) into 0
3.626 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
3.626 * [taylor]: Taking taylor expansion of 0 in y
3.626 * [backup-simplify]: Simplify 0 into 0
3.626 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.627 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.627 * [backup-simplify]: Simplify (- 0) into 0
3.627 * [backup-simplify]: Simplify 0 into 0
3.627 * [backup-simplify]: Simplify 0 into 0
3.627 * [backup-simplify]: Simplify 0 into 0
3.627 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.628 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.628 * [backup-simplify]: Simplify (- 0) into 0
3.628 * [backup-simplify]: Simplify (+ 0 0) into 0
3.629 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.629 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.629 * [backup-simplify]: Simplify (+ 0 0) into 0
3.630 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
3.630 * [taylor]: Taking taylor expansion of 0 in y
3.630 * [backup-simplify]: Simplify 0 into 0
3.630 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.631 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.631 * [backup-simplify]: Simplify (- 0) into 0
3.631 * [backup-simplify]: Simplify 0 into 0
3.631 * [backup-simplify]: Simplify 0 into 0
3.631 * [backup-simplify]: Simplify 0 into 0
3.631 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
3.632 * [backup-simplify]: Simplify (* (+ (/ 1 (- x)) (/ 1 (- y))) (- (/ 1 (- x)) (/ 1 (- y)))) into (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))))
3.632 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in (x y) around 0
3.632 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in y
3.632 * [taylor]: Taking taylor expansion of -1 in y
3.632 * [backup-simplify]: Simplify -1 into -1
3.632 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in y
3.632 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
3.632 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.632 * [taylor]: Taking taylor expansion of y in y
3.632 * [backup-simplify]: Simplify 0 into 0
3.632 * [backup-simplify]: Simplify 1 into 1
3.632 * [backup-simplify]: Simplify (/ 1 1) into 1
3.632 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.632 * [taylor]: Taking taylor expansion of x in y
3.632 * [backup-simplify]: Simplify x into x
3.632 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.632 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
3.632 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.632 * [taylor]: Taking taylor expansion of x in y
3.632 * [backup-simplify]: Simplify x into x
3.632 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.632 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.632 * [taylor]: Taking taylor expansion of y in y
3.632 * [backup-simplify]: Simplify 0 into 0
3.632 * [backup-simplify]: Simplify 1 into 1
3.633 * [backup-simplify]: Simplify (/ 1 1) into 1
3.633 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in x
3.633 * [taylor]: Taking taylor expansion of -1 in x
3.633 * [backup-simplify]: Simplify -1 into -1
3.633 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in x
3.633 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.633 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.633 * [taylor]: Taking taylor expansion of y in x
3.633 * [backup-simplify]: Simplify y into y
3.633 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.633 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.633 * [taylor]: Taking taylor expansion of x in x
3.633 * [backup-simplify]: Simplify 0 into 0
3.633 * [backup-simplify]: Simplify 1 into 1
3.633 * [backup-simplify]: Simplify (/ 1 1) into 1
3.633 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.633 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.633 * [taylor]: Taking taylor expansion of x in x
3.633 * [backup-simplify]: Simplify 0 into 0
3.633 * [backup-simplify]: Simplify 1 into 1
3.633 * [backup-simplify]: Simplify (/ 1 1) into 1
3.633 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.633 * [taylor]: Taking taylor expansion of y in x
3.633 * [backup-simplify]: Simplify y into y
3.633 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.633 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in x
3.634 * [taylor]: Taking taylor expansion of -1 in x
3.634 * [backup-simplify]: Simplify -1 into -1
3.634 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in x
3.634 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.634 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.634 * [taylor]: Taking taylor expansion of y in x
3.634 * [backup-simplify]: Simplify y into y
3.634 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.634 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.634 * [taylor]: Taking taylor expansion of x in x
3.634 * [backup-simplify]: Simplify 0 into 0
3.634 * [backup-simplify]: Simplify 1 into 1
3.634 * [backup-simplify]: Simplify (/ 1 1) into 1
3.634 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.634 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.634 * [taylor]: Taking taylor expansion of x in x
3.634 * [backup-simplify]: Simplify 0 into 0
3.634 * [backup-simplify]: Simplify 1 into 1
3.634 * [backup-simplify]: Simplify (/ 1 1) into 1
3.634 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.634 * [taylor]: Taking taylor expansion of y in x
3.634 * [backup-simplify]: Simplify y into y
3.634 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.635 * [backup-simplify]: Simplify (- 1) into -1
3.635 * [backup-simplify]: Simplify (+ 0 -1) into -1
3.635 * [backup-simplify]: Simplify (+ 1 0) into 1
3.635 * [backup-simplify]: Simplify (* -1 1) into -1
3.636 * [backup-simplify]: Simplify (* -1 -1) into 1
3.636 * [taylor]: Taking taylor expansion of 1 in y
3.636 * [backup-simplify]: Simplify 1 into 1
3.636 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.636 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
3.637 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.637 * [backup-simplify]: Simplify (- 0) into 0
3.637 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
3.637 * [backup-simplify]: Simplify (+ (* -1 (/ 1 y)) (* (/ 1 y) 1)) into 0
3.637 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 -1)) into 0
3.637 * [taylor]: Taking taylor expansion of 0 in y
3.637 * [backup-simplify]: Simplify 0 into 0
3.638 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.638 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.638 * [backup-simplify]: Simplify (+ 0 0) into 0
3.638 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.639 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.639 * [backup-simplify]: Simplify (- 0) into 0
3.639 * [backup-simplify]: Simplify (+ 0 0) into 0
3.640 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) (/ 1 y)) (* 0 1))) into (/ 1 (pow y 2))
3.640 * [backup-simplify]: Simplify (+ (* -1 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))) into (- (/ 1 (pow y 2)))
3.640 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.640 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.640 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.640 * [taylor]: Taking taylor expansion of y in y
3.641 * [backup-simplify]: Simplify 0 into 0
3.641 * [backup-simplify]: Simplify 1 into 1
3.641 * [backup-simplify]: Simplify (* 1 1) into 1
3.641 * [backup-simplify]: Simplify (/ 1 1) into 1
3.641 * [backup-simplify]: Simplify (- 1) into -1
3.641 * [backup-simplify]: Simplify -1 into -1
3.642 * [backup-simplify]: Simplify 1 into 1
3.642 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.642 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.642 * [backup-simplify]: Simplify (+ 0 0) into 0
3.643 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.643 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.643 * [backup-simplify]: Simplify (- 0) into 0
3.644 * [backup-simplify]: Simplify (+ 0 0) into 0
3.644 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 (/ 1 y)) (* 0 1)))) into 0
3.645 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1)))) into 0
3.645 * [taylor]: Taking taylor expansion of 0 in y
3.645 * [backup-simplify]: Simplify 0 into 0
3.645 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.646 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.646 * [backup-simplify]: Simplify (- 0) into 0
3.646 * [backup-simplify]: Simplify 0 into 0
3.646 * [backup-simplify]: Simplify 0 into 0
3.646 * [backup-simplify]: Simplify 0 into 0
3.647 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.647 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.647 * [backup-simplify]: Simplify (+ 0 0) into 0
3.647 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.648 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.648 * [backup-simplify]: Simplify (- 0) into 0
3.648 * [backup-simplify]: Simplify (+ 0 0) into 0
3.649 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 1))))) into 0
3.650 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))))) into 0
3.650 * [taylor]: Taking taylor expansion of 0 in y
3.650 * [backup-simplify]: Simplify 0 into 0
3.651 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.651 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.651 * [backup-simplify]: Simplify (- 0) into 0
3.651 * [backup-simplify]: Simplify 0 into 0
3.651 * [backup-simplify]: Simplify 0 into 0
3.651 * [backup-simplify]: Simplify 0 into 0
3.652 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
3.652 * * * [progress]: simplifying candidates
3.652 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
  (+ (log (+ x y)) (log (- x y)))
  (log (* (+ x y) (- x y)))
  (exp (* (+ x y) (- x y)))
  (* (* (* (+ x y) (+ x y)) (+ x y)) (* (* (- x y) (- 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)))
  (* (+ (pow x 3) (pow y 3)) (- (pow x 3) (pow y 3)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ (* x x) (+ (* y y) (* x y))))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ x y))
  (* (- (* x x) (* y y)) (- (pow x 3) (pow y 3)))
  (* (- x y) (+ (* x x) (+ (* y y) (* x y))))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (* (- x y) (+ x y))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (+ x y) x)
  (* (+ x y) (- y))
  (* (+ x y) x)
  (* (+ x y) (- y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (+ x y) (* (cbrt (- x y)) (cbrt (- x y))))
  (* (+ x y) (sqrt (- x y)))
  (* (+ x y) 1)
  (* (+ x y) (+ (sqrt x) (sqrt y)))
  (* (+ x y) 1)
  (* (cbrt (+ x y)) (- x y))
  (* (sqrt (+ x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- (pow x 3) (pow y 3)))
  (* (+ x y) (- (* x x) (* y y)))
  (* (+ (pow x 3) (pow y 3)) (- x y))
  (* (- (* x x) (* y y)) (- x y))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
3.653 * * [simplify]: iteration 0: 70 enodes
3.666 * * [simplify]: iteration 1: 213 enodes
3.791 * * [simplify]: iteration 2: 1544 enodes
4.449 * * [simplify]: iteration complete: 5002 enodes
4.449 * * [simplify]: Extracting #0: cost 27 inf + 0
4.451 * * [simplify]: Extracting #1: cost 1029 inf + 0
4.456 * * [simplify]: Extracting #2: cost 1939 inf + 604
4.463 * * [simplify]: Extracting #3: cost 1359 inf + 10661
4.477 * * [simplify]: Extracting #4: cost 117 inf + 22533
4.492 * * [simplify]: Extracting #5: cost 35 inf + 23072
4.506 * * [simplify]: Extracting #6: cost 24 inf + 23141
4.516 * * [simplify]: Extracting #7: cost 5 inf + 23215
4.524 * * [simplify]: Extracting #8: cost 0 inf + 23240
4.532 * [simplify]: Simplified to:
  (* (+ x y) (- x y))
  (log (* (+ x y) (- x y)))
  (log (* (+ x y) (- x y)))
  (pow (exp (+ x y)) (- x y))
  (pow (* (+ x y) (- x y)) 3)
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (pow (* (+ x y) (- x y)) 3)
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (- (pow x 3) (pow y 3)) (+ (pow y 3) (pow x 3)))
  (* (+ (* y y) (* x (+ x y))) (+ (* x x) (* y (- y x))))
  (* (* (+ x y) (- x y)) (+ (pow y 3) (pow x 3)))
  (* (+ x y) (+ (* x x) (* y (- y x))))
  (* (* (+ x y) (- x y)) (- (pow x 3) (pow y 3)))
  (* (- x y) (+ (* y y) (* x (+ x y))))
  (* (- x y) (* (* (+ x y) (+ x y)) (- x y)))
  (* (+ x y) (- x y))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (* (+ x y) (cbrt (- x y))) (cbrt (- x y)))
  (* (sqrt (- x y)) (+ x y))
  (+ x y)
  (* (+ x y) (+ (sqrt x) (sqrt y)))
  (+ x y)
  (* (- x y) (cbrt (+ x y)))
  (* (sqrt (+ x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- (pow x 3) (pow y 3)))
  (* (* (+ x y) (+ x y)) (- x y))
  (* (- x y) (+ (pow y 3) (pow x 3)))
  (* (* (+ x y) (- x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
4.532 * * * [progress]: adding candidates to table
4.682 * [progress]: [Phase 3 of 3] Extracting.
4.682 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.682 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (* x x) (- (* x x) (* y y)) y x)
4.682 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.707 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.739 * * * * [regimes]: Trying to branch on (- (* x x) (* y y)) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.763 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.811 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.843 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
4.844 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
4.844 * * [simplify]: iteration 0: 5 enodes
4.844 * * [simplify]: iteration 1: 7 enodes
4.844 * * [simplify]: iteration complete: 7 enodes
4.844 * * [simplify]: Extracting #0: cost 1 inf + 0
4.844 * * [simplify]: Extracting #1: cost 3 inf + 0
4.844 * * [simplify]: Extracting #2: cost 5 inf + 0
4.844 * * [simplify]: Extracting #3: cost 3 inf + 2
4.844 * * [simplify]: Extracting #4: cost 0 inf + 15
4.844 * [simplify]: Simplified to:
  (* (+ y x) (- x y))
6.595 * [regime-testing]: Baseline error score: 0.0007500937617202151
6.599 * [regime-testing]: Oracle error score: 0.00037504688086010754
6.607 * [regime-testing]: End program error score: 0.0007500937617202151