13.463 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying:
  (sqrt (+ (* x x) (* y y)))
0.014 * * [simplify]: Extracting # 0 : cost  0
0.014 * * [simplify]: Extracting # 1 : cost  0
0.014 * * [simplify]: Extracting # 2 : cost  0
0.014 * * [simplify]: Extracting # 3 : cost  0
0.014 * * [simplify]: Extracting # 4 : cost  0
0.014 * * [simplify]: Extracting # 5 : cost  0
0.014 * * [simplify]: iteration  0 :  6  enodes  (cost  8 )
0.015 * * [simplify]: Extracting # 0 : cost  0
0.015 * * [simplify]: iteration  1 :  7  enodes  (cost  8 )
0.016 * * [simplify]: Extracting # 0 : cost  0
0.016 * * [simplify]: iteration done:  7  enodes  (cost  8 )
0.017 * [simplify]: Simplified to:
  (sqrt (+ (* x x) (* y y)))
0.017 * * [progress]: iteration 1 / 4
0.017 * * * [progress]: picking best candidate
0.018 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>
0.018 * * * [progress]: localizing error
0.024 * * * [progress]: generating rewritten candidates
0.024 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.031 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.040 * * * [progress]: generating series expansions
0.040 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.040 * [backup-simplify]: Simplify (sqrt (+ (* x x) (* y y))) into (sqrt (+ (pow x 2) (pow y 2)))
0.040 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in (x y) around 0
0.040 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in y
0.040 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.040 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.040 * [taylor]: Taking taylor expansion of x in y
0.040 * [backup-simplify]: Simplify x into x
0.040 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [backup-simplify]: Simplify 0 into 0
0.040 * [backup-simplify]: Simplify 1 into 1
0.040 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.040 * [backup-simplify]: Simplify (+ (pow x 2) 0) into (pow x 2)
0.040 * [backup-simplify]: Simplify (sqrt (pow x 2)) into x
0.040 * [backup-simplify]: Simplify (+ (* x 0) (* 0 x)) into 0
0.041 * [backup-simplify]: Simplify (+ 0 0) into 0
0.041 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (pow x 2)))) into 0
0.041 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.041 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.041 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [backup-simplify]: Simplify 0 into 0
0.041 * [backup-simplify]: Simplify 1 into 1
0.041 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.041 * [taylor]: Taking taylor expansion of y in x
0.041 * [backup-simplify]: Simplify y into y
0.041 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.041 * [backup-simplify]: Simplify (+ 0 (pow y 2)) into (pow y 2)
0.041 * [backup-simplify]: Simplify (sqrt (pow y 2)) into y
0.041 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.041 * [backup-simplify]: Simplify (+ 0 0) into 0
0.041 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (pow y 2)))) into 0
0.041 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.042 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.042 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [backup-simplify]: Simplify 0 into 0
0.042 * [backup-simplify]: Simplify 1 into 1
0.042 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.042 * [backup-simplify]: Simplify y into y
0.042 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.042 * [backup-simplify]: Simplify (+ 0 (pow y 2)) into (pow y 2)
0.042 * [backup-simplify]: Simplify (sqrt (pow y 2)) into y
0.042 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.042 * [backup-simplify]: Simplify (+ 0 0) into 0
0.042 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (pow y 2)))) into 0
0.042 * [taylor]: Taking taylor expansion of y in y
0.042 * [backup-simplify]: Simplify 0 into 0
0.042 * [backup-simplify]: Simplify 1 into 1
0.042 * [backup-simplify]: Simplify 0 into 0
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [backup-simplify]: Simplify 0 into 0
0.042 * [backup-simplify]: Simplify 0 into 0
0.042 * [backup-simplify]: Simplify 1 into 1
0.043 * [backup-simplify]: Simplify (* 1 1) into 1
0.043 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.043 * [backup-simplify]: Simplify (+ 1 0) into 1
0.044 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 y)) into (/ 1/2 y)
0.044 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.044 * [taylor]: Taking taylor expansion of 1/2 in y
0.044 * [backup-simplify]: Simplify 1/2 into 1/2
0.044 * [taylor]: Taking taylor expansion of y in y
0.044 * [backup-simplify]: Simplify 0 into 0
0.044 * [backup-simplify]: Simplify 1 into 1
0.044 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.045 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.045 * [backup-simplify]: Simplify 0 into 0
0.045 * [backup-simplify]: Simplify 0 into 0
0.045 * [backup-simplify]: Simplify 0 into 0
0.045 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.045 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.046 * [backup-simplify]: Simplify (+ 0 0) into 0
0.046 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 y))))) (* 2 y)) into 0
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [backup-simplify]: Simplify (* 1 (* y 1)) into y
0.047 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y)))) into (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))
0.047 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.047 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.047 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.047 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [backup-simplify]: Simplify x into x
0.047 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.047 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.047 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.047 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [backup-simplify]: Simplify 0 into 0
0.047 * [backup-simplify]: Simplify 1 into 1
0.047 * [backup-simplify]: Simplify (* 1 1) into 1
0.047 * [backup-simplify]: Simplify (/ 1 1) into 1
0.048 * [backup-simplify]: Simplify (+ 0 1) into 1
0.048 * [backup-simplify]: Simplify (sqrt 1) into 1
0.048 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.049 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.049 * [backup-simplify]: Simplify (+ 0 0) into 0
0.049 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.049 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.049 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.049 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [backup-simplify]: Simplify 0 into 0
0.049 * [backup-simplify]: Simplify 1 into 1
0.050 * [backup-simplify]: Simplify (* 1 1) into 1
0.050 * [backup-simplify]: Simplify (/ 1 1) into 1
0.050 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.050 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.050 * [taylor]: Taking taylor expansion of y in x
0.050 * [backup-simplify]: Simplify y into y
0.050 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.050 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.050 * [backup-simplify]: Simplify (+ 1 0) into 1
0.051 * [backup-simplify]: Simplify (sqrt 1) into 1
0.051 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.051 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.051 * [backup-simplify]: Simplify (+ 0 0) into 0
0.052 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.052 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.052 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.052 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [backup-simplify]: Simplify 0 into 0
0.052 * [backup-simplify]: Simplify 1 into 1
0.052 * [backup-simplify]: Simplify (* 1 1) into 1
0.052 * [backup-simplify]: Simplify (/ 1 1) into 1
0.052 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.052 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [backup-simplify]: Simplify y into y
0.053 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.053 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.053 * [backup-simplify]: Simplify (+ 1 0) into 1
0.053 * [backup-simplify]: Simplify (sqrt 1) into 1
0.053 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.054 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.054 * [backup-simplify]: Simplify (+ 0 0) into 0
0.054 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.055 * [taylor]: Taking taylor expansion of 1 in y
0.055 * [backup-simplify]: Simplify 1 into 1
0.055 * [taylor]: Taking taylor expansion of 0 in y
0.055 * [backup-simplify]: Simplify 0 into 0
0.055 * [backup-simplify]: Simplify 1 into 1
0.055 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.056 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.056 * [backup-simplify]: Simplify (+ 0 (/ 1 (pow y 2))) into (/ 1 (pow y 2))
0.057 * [backup-simplify]: Simplify (/ (- (/ 1 (pow y 2)) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 (pow y 2))
0.057 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.057 * [taylor]: Taking taylor expansion of 1/2 in y
0.057 * [backup-simplify]: Simplify 1/2 into 1/2
0.057 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.057 * [taylor]: Taking taylor expansion of y in y
0.057 * [backup-simplify]: Simplify 0 into 0
0.057 * [backup-simplify]: Simplify 1 into 1
0.057 * [backup-simplify]: Simplify (* 1 1) into 1
0.057 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.057 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.058 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.058 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.059 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.059 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.059 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.060 * [backup-simplify]: Simplify (+ 0 0) into 0
0.060 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (pow y 2)))))) (* 2 1)) into 0
0.060 * [taylor]: Taking taylor expansion of 0 in y
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.061 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.061 * [backup-simplify]: Simplify 0 into 0
0.061 * [backup-simplify]: Simplify 0 into 0
0.061 * [backup-simplify]: Simplify 0 into 0
0.061 * [backup-simplify]: Simplify (* 1 (* 1 (/ 1 (/ 1 x)))) into x
0.061 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y))))) into (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))
0.061 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.061 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.061 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.061 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.061 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.061 * [taylor]: Taking taylor expansion of x in y
0.061 * [backup-simplify]: Simplify x into x
0.061 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.062 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.062 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.062 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify 1 into 1
0.062 * [backup-simplify]: Simplify (* 1 1) into 1
0.062 * [backup-simplify]: Simplify (/ 1 1) into 1
0.062 * [backup-simplify]: Simplify (+ 0 1) into 1
0.063 * [backup-simplify]: Simplify (sqrt 1) into 1
0.063 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.063 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.064 * [backup-simplify]: Simplify (+ 0 0) into 0
0.064 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.064 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.064 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.064 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.064 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify 1 into 1
0.064 * [backup-simplify]: Simplify (* 1 1) into 1
0.065 * [backup-simplify]: Simplify (/ 1 1) into 1
0.065 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.065 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [backup-simplify]: Simplify y into y
0.065 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.065 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.065 * [backup-simplify]: Simplify (+ 1 0) into 1
0.065 * [backup-simplify]: Simplify (sqrt 1) into 1
0.066 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.066 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.066 * [backup-simplify]: Simplify (+ 0 0) into 0
0.067 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.067 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.067 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.067 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [backup-simplify]: Simplify (* 1 1) into 1
0.067 * [backup-simplify]: Simplify (/ 1 1) into 1
0.067 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.067 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [backup-simplify]: Simplify y into y
0.067 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.068 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.068 * [backup-simplify]: Simplify (+ 1 0) into 1
0.068 * [backup-simplify]: Simplify (sqrt 1) into 1
0.068 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.069 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.069 * [backup-simplify]: Simplify (+ 0 0) into 0
0.069 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.070 * [taylor]: Taking taylor expansion of 1 in y
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [taylor]: Taking taylor expansion of 0 in y
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.071 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.071 * [backup-simplify]: Simplify (+ 0 (/ 1 (pow y 2))) into (/ 1 (pow y 2))
0.071 * [backup-simplify]: Simplify (/ (- (/ 1 (pow y 2)) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 (pow y 2))
0.072 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.072 * [taylor]: Taking taylor expansion of 1/2 in y
0.072 * [backup-simplify]: Simplify 1/2 into 1/2
0.072 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 1 into 1
0.072 * [backup-simplify]: Simplify (* 1 1) into 1
0.072 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.072 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.073 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.077 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.078 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.078 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.078 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (pow y 2)))))) (* 2 1)) into 0
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.080 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify (* 1 (* 1 (/ 1 (/ 1 (- x))))) into (* -1 x)
0.080 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.080 * [backup-simplify]: Simplify (+ (* x x) (* y y)) into (+ (pow x 2) (pow y 2))
0.080 * [approximate]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in (x y) around 0
0.080 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [backup-simplify]: Simplify x into x
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [backup-simplify]: Simplify y into y
0.080 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [backup-simplify]: Simplify y into y
0.080 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.080 * [backup-simplify]: Simplify (+ 0 (pow y 2)) into (pow y 2)
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.081 * [backup-simplify]: Simplify (+ 0 0) into 0
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify (* 1 1) into 1
0.081 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.082 * [backup-simplify]: Simplify (+ 1 0) into 1
0.082 * [taylor]: Taking taylor expansion of 1 in y
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify (* 1 1) into 1
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.083 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.083 * [backup-simplify]: Simplify (+ 0 0) into 0
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.085 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.085 * [backup-simplify]: Simplify (+ 0 0) into 0
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify (+ (* 1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (+ (pow x 2) (pow y 2))
0.085 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))
0.085 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.085 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.085 * [taylor]: Taking taylor expansion of x in y
0.085 * [backup-simplify]: Simplify x into x
0.085 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.086 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 1 into 1
0.086 * [backup-simplify]: Simplify (* 1 1) into 1
0.086 * [backup-simplify]: Simplify (/ 1 1) into 1
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.086 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 1 into 1
0.086 * [backup-simplify]: Simplify (* 1 1) into 1
0.087 * [backup-simplify]: Simplify (/ 1 1) into 1
0.087 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.087 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.087 * [taylor]: Taking taylor expansion of y in x
0.087 * [backup-simplify]: Simplify y into y
0.087 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.087 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.087 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.087 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 1 into 1
0.087 * [backup-simplify]: Simplify (* 1 1) into 1
0.087 * [backup-simplify]: Simplify (/ 1 1) into 1
0.087 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.087 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.087 * [taylor]: Taking taylor expansion of y in x
0.087 * [backup-simplify]: Simplify y into y
0.087 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.088 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.088 * [backup-simplify]: Simplify (+ 1 0) into 1
0.088 * [taylor]: Taking taylor expansion of 1 in y
0.088 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.089 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.089 * [backup-simplify]: Simplify (+ 0 0) into 0
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.090 * [backup-simplify]: Simplify (+ 0 (/ 1 (pow y 2))) into (/ 1 (pow y 2))
0.090 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.090 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 1 into 1
0.090 * [backup-simplify]: Simplify (* 1 1) into 1
0.091 * [backup-simplify]: Simplify (/ 1 1) into 1
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.092 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.092 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.092 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.092 * [backup-simplify]: Simplify (+ 0 0) into 0
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.094 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.095 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
0.095 * [backup-simplify]: Simplify (+ 0 0) into 0
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.096 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* 1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (+ (pow x 2) (pow y 2))
0.096 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))
0.096 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.096 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.096 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.097 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.097 * [taylor]: Taking taylor expansion of x in y
0.097 * [backup-simplify]: Simplify x into x
0.097 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.097 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.097 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.097 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.097 * [taylor]: Taking taylor expansion of y in y
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [backup-simplify]: Simplify (* 1 1) into 1
0.097 * [backup-simplify]: Simplify (/ 1 1) into 1
0.097 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.097 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.097 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (* 1 1) into 1
0.098 * [backup-simplify]: Simplify (/ 1 1) into 1
0.098 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.098 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.098 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.098 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.098 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.098 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (* 1 1) into 1
0.098 * [backup-simplify]: Simplify (/ 1 1) into 1
0.098 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.099 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.099 * [taylor]: Taking taylor expansion of y in x
0.099 * [backup-simplify]: Simplify y into y
0.099 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.099 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.099 * [backup-simplify]: Simplify (+ 1 0) into 1
0.099 * [taylor]: Taking taylor expansion of 1 in y
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (+ 0 0) into 0
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ 0 (/ 1 (pow y 2))) into (/ 1 (pow y 2))
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.101 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [backup-simplify]: Simplify (* 1 1) into 1
0.102 * [backup-simplify]: Simplify (/ 1 1) into 1
0.102 * [backup-simplify]: Simplify 1 into 1
0.102 * [backup-simplify]: Simplify 1 into 1
0.102 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.103 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.103 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.103 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.103 * [backup-simplify]: Simplify (+ 0 0) into 0
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.104 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.106 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
0.106 * [backup-simplify]: Simplify (+ 0 0) into 0
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* 1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (+ (pow x 2) (pow y 2))
0.107 * * * [progress]: simplifying candidates
0.108 * [simplify]: Simplifying:
  (log (sqrt (+ (* x x) (* y y))))
  (exp (sqrt (+ (* x x) (* y y))))
  (* (cbrt (sqrt (+ (* x x) (* y y)))) (cbrt (sqrt (+ (* x x) (* y y)))))
  (cbrt (sqrt (+ (* x x) (* y y))))
  (* (* (sqrt (+ (* x x) (* y y))) (sqrt (+ (* x x) (* y y)))) (sqrt (+ (* x x) (* y y))))
  (sqrt (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (sqrt (cbrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt 1)
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (pow (* x x) 3) (pow (* y y) 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* (* y y) (* y y)) (* (* x x) (* y y)))))
  (sqrt (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (sqrt (- (* x x) (* y y)))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* 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))))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (- (* x x) (* y y))
  y
  x
  (* -1 x)
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
0.108 * * [simplify]: Extracting # 0 : cost  0
0.109 * * [simplify]: Extracting # 1 : cost  0
0.109 * * [simplify]: Extracting # 2 : cost  0
0.109 * * [simplify]: Extracting # 3 : cost  0
0.109 * * [simplify]: Extracting # 4 : cost  0
0.109 * * [simplify]: Extracting # 5 : cost  0
0.109 * * [simplify]: iteration  0 :  48  enodes  (cost  379 )
0.120 * * [simplify]: Extracting # 0 : cost  0
0.120 * * [simplify]: Extracting # 1 : cost  0
0.120 * * [simplify]: Extracting # 2 : cost  0
0.120 * * [simplify]: Extracting # 3 : cost  0
0.121 * * [simplify]: Extracting # 4 : cost  0
0.121 * * [simplify]: iteration  1 :  124  enodes  (cost  347 )
0.164 * * [simplify]: Extracting # 0 : cost  0
0.164 * * [simplify]: Extracting # 1 : cost  0
0.165 * * [simplify]: Extracting # 2 : cost  0
0.165 * * [simplify]: Extracting # 3 : cost  0
0.165 * * [simplify]: Extracting # 4 : cost  0
0.165 * * [simplify]: iteration  2 :  343  enodes  (cost  295 )
0.300 * * [simplify]: Extracting # 0 : cost  0
0.301 * * [simplify]: Extracting # 1 : cost  0
0.302 * * [simplify]: Extracting # 2 : cost  0
0.303 * * [simplify]: Extracting # 3 : cost  0
0.304 * * [simplify]: Extracting # 4 : cost  0
0.305 * * [simplify]: iteration  3 :  968  enodes  (cost  295 )
0.840 * * [simplify]: Extracting # 0 : cost  0
0.843 * * [simplify]: Extracting # 1 : cost  0
0.845 * * [simplify]: Extracting # 2 : cost  0
0.847 * * [simplify]: Extracting # 3 : cost  0
0.849 * * [simplify]: Extracting # 4 : cost  0
0.851 * * [simplify]: iteration  4 :  2668  enodes  (cost  295 )
1.777 * * [simplify]: Extracting # 0 : cost  0
1.781 * * [simplify]: Extracting # 1 : cost  0
1.787 * * [simplify]: Extracting # 2 : cost  0
1.797 * * [simplify]: Extracting # 3 : cost  0
1.802 * * [simplify]: Extracting # 4 : cost  0
1.807 * * [simplify]: iteration done:  5000  enodes  (cost  295 )
1.807 * [simplify]: Simplified to:
  (log (sqrt (+ (* x x) (* y y))))
  (exp (sqrt (+ (* x x) (* y y))))
  (* (cbrt (sqrt (+ (* x x) (* y y)))) (cbrt (sqrt (+ (* x x) (* y y)))))
  (cbrt (sqrt (+ (* x x) (* y y))))
  (pow (sqrt (+ (* x x) (* y y))) 3)
  (fabs (cbrt (+ (* x x) (* y y))))
  (sqrt (cbrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  1
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (pow y 6) (pow x 6)))
  (sqrt (+ (* (* y y) (- (* y y) (* x x))) (pow x 4)))
  (sqrt (- (pow x 4) (pow y 4)))
  (sqrt (- (* x x) (* y y)))
  1/2
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (exp (+ (* x x) (* 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)))
  (pow (+ (* x x) (* y y)) 3)
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (+ (pow y 6) (pow x 6))
  (+ (* (* y y) (- (* y y) (* x x))) (pow x 4))
  (- (pow x 4) (pow y 4))
  (- (* x x) (* y y))
  y
  x
  (- x)
  (+ (* x x) (* y y))
  (+ (* x x) (* y y))
  (+ (* x x) (* y y))
1.807 * * * [progress]: adding candidates to table
1.871 * * [progress]: iteration 2 / 4
1.871 * * * [progress]: picking best candidate
1.873 * * * * [pick]: Picked  #<alt (λ (x y) (- x))>
1.873 * * * [progress]: localizing error
1.875 * * * [progress]: generating rewritten candidates
1.875 * * * [progress]: generating series expansions
1.875 * * * [progress]: simplifying candidates
1.875 * [simplify]: Simplifying:
  
1.875 * * [simplify]: Extracting # 0 : cost  0
1.875 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.875 * * [simplify]: Extracting # 0 : cost  0
1.875 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.875 * [simplify]: Simplified to:
  
1.875 * * * [progress]: adding candidates to table
1.875 * * [progress]: iteration 3 / 4
1.875 * * * [progress]: picking best candidate
1.877 * * * * [pick]: Picked  #<alt (λ (x y) y)>
1.877 * * * [progress]: localizing error
1.877 * * * [progress]: generating rewritten candidates
1.877 * * * [progress]: generating series expansions
1.877 * * * [progress]: simplifying candidates
1.878 * [simplify]: Simplifying:
  
1.878 * * [simplify]: Extracting # 0 : cost  0
1.878 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.878 * * [simplify]: Extracting # 0 : cost  0
1.878 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.878 * [simplify]: Simplified to:
  
1.878 * * * [progress]: adding candidates to table
1.878 * * [progress]: iteration 4 / 4
1.878 * * * [progress]: picking best candidate
1.879 * * * * [pick]: Picked  #<alt (λ (x y) x)>
1.879 * * * [progress]: localizing error
1.879 * * * [progress]: generating rewritten candidates
1.879 * * * [progress]: generating series expansions
1.879 * * * [progress]: simplifying candidates
1.879 * [simplify]: Simplifying:
  
1.879 * * [simplify]: Extracting # 0 : cost  0
1.879 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.879 * * [simplify]: Extracting # 0 : cost  0
1.879 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.879 * [simplify]: Simplified to:
  
1.879 * * * [progress]: adding candidates to table
1.880 * [progress]: [Phase 3 of 3] Extracting.
1.880 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))> #<alt (λ (x y) y)>)
1.880 * * * [regime-changes]: Trying 6 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) (sqrt (+ (* x x) (* y y))) y x)
1.880 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))> #<alt (λ (x y) y)>)
1.897 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))>)
1.910 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))> #<alt (λ (x y) y)>)
1.927 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
1.939 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))> #<alt (λ (x y) y)>)
1.957 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) (* y y))) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))> #<alt (λ (x y) y)>)
1.975 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))> #<alt (λ (x y) y)>)
2.004 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))> #<alt (λ (x y) y)>)
2.029 * * * [regime]: Found split indices: #<option (#s(si 2 37) #s(si 0 207) #s(si 1 255))>
2.030 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))> #<alt (λ (x y) y)>)
2.068 * [regimes]: Found splitpoints: (#s(sp 2 x -7.1708043387319375e+152) #s(sp 0 x 3.714271113375256e+17) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)> #<alt (λ (x y) (- x))> #<alt (λ (x y) y)>)
2.068 * [simplify]: Simplifying:
  (if (<= x -7.1708043387319375e+152) (- x) (if (<= x 3.714271113375256e+17) (sqrt (+ (* x x) (* y y))) x))
2.068 * * [simplify]: Extracting # 0 : cost  0
2.068 * * [simplify]: Extracting # 1 : cost  0
2.069 * * [simplify]: Extracting # 2 : cost  0
2.069 * * [simplify]: Extracting # 3 : cost  0
2.069 * * [simplify]: Extracting # 4 : cost  0
2.069 * * [simplify]: Extracting # 5 : cost  0
2.069 * * [simplify]: Extracting # 6 : cost  0
2.069 * * [simplify]: Extracting # 7 : cost  0
2.069 * * [simplify]: Extracting # 8 : cost  0
2.069 * * [simplify]: Extracting # 9 : cost  0
2.069 * * [simplify]: iteration  0 :  13  enodes  (cost  19 )
2.069 * * [simplify]: Extracting # 0 : cost  0
2.069 * * [simplify]: iteration  1 :  14  enodes  (cost  19 )
2.072 * * [simplify]: Extracting # 0 : cost  0
2.072 * * [simplify]: iteration done:  14  enodes  (cost  19 )
2.072 * [simplify]: Simplified to:
  (if (<= x -7.1708043387319375e+152) (- x) (if (<= x 3.714271113375256e+17) (sqrt (+ (* x x) (* y y))) x))
2.529 * [regime-testing]: Baseline error score: 31.137360727173895
2.529 * [regime-testing]: Oracle error score: 7.705229157009565
2.531 * [regime-testing]: End program error score: 17.591588664339703
2.561 * [regime-testing]: Target error score: 17.006519533249094