22.685 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying:
  (sqrt (+ (* x x) y))
0.025 * * [simplify]: Extracting # 0 : cost  0
0.025 * * [simplify]: Extracting # 1 : cost  0
0.025 * * [simplify]: Extracting # 2 : cost  0
0.025 * * [simplify]: Extracting # 3 : cost  0
0.025 * * [simplify]: Extracting # 4 : cost  0
0.025 * * [simplify]: Extracting # 5 : cost  0
0.025 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: iteration  1 :  6  enodes  (cost  6 )
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: iteration done:  6  enodes  (cost  6 )
0.027 * [simplify]: Simplified to:
  (sqrt (+ (* x x) y))
0.027 * * [progress]: iteration 1 / 4
0.028 * * * [progress]: picking best candidate
0.029 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) y)))>
0.029 * * * [progress]: localizing error
0.034 * * * [progress]: generating rewritten candidates
0.034 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.047 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.063 * * * [progress]: generating series expansions
0.063 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.063 * [backup-simplify]: Simplify (sqrt (+ (* x x) y)) into (sqrt (+ (pow x 2) y))
0.063 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.063 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.063 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.063 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.063 * [taylor]: Taking taylor expansion of x in y
0.063 * [backup-simplify]: Simplify x into x
0.063 * [taylor]: Taking taylor expansion of y in y
0.063 * [backup-simplify]: Simplify 0 into 0
0.063 * [backup-simplify]: Simplify 1 into 1
0.063 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.064 * [backup-simplify]: Simplify (+ (pow x 2) 0) into (pow x 2)
0.064 * [backup-simplify]: Simplify (sqrt (pow x 2)) into x
0.064 * [backup-simplify]: Simplify (+ (* x 0) (* 0 x)) into 0
0.064 * [backup-simplify]: Simplify (+ 0 1) into 1
0.065 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt (pow x 2)))) into (/ 1/2 x)
0.065 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.065 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.065 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 1 into 1
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [backup-simplify]: Simplify y into y
0.065 * [backup-simplify]: Simplify (+ 0 y) into y
0.065 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.065 * [backup-simplify]: Simplify (+ 0 0) into 0
0.065 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.065 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.065 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.066 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify 1 into 1
0.066 * [taylor]: Taking taylor expansion of y in x
0.066 * [backup-simplify]: Simplify y into y
0.066 * [backup-simplify]: Simplify (+ 0 y) into y
0.066 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.066 * [backup-simplify]: Simplify (+ 0 0) into 0
0.066 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.066 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify 1 into 1
0.067 * [backup-simplify]: Simplify (sqrt 0) into 0
0.068 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [taylor]: Taking taylor expansion of 0 in y
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.069 * [backup-simplify]: Simplify (* 1 1) into 1
0.069 * [backup-simplify]: Simplify (+ 1 0) into 1
0.070 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.070 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.070 * [taylor]: Taking taylor expansion of 1/2 in y
0.070 * [backup-simplify]: Simplify 1/2 into 1/2
0.070 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.071 * [backup-simplify]: Simplify (/ 1 1) into 1
0.071 * [backup-simplify]: Simplify (sqrt 0) into 0
0.072 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.073 * [backup-simplify]: Simplify (+ (* 1/2 +nan.0) (* 0 0)) into (- +nan.0)
0.074 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.074 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.075 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.076 * [backup-simplify]: Simplify (+ (* +nan.0 (pow (* y 1) 2)) (+ (* (- +nan.0) (pow (* 1 x) 2)) (* +nan.0 (* y 1)))) into (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 (pow y 2)) (- (* +nan.0 y))))))
0.076 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 x) (/ 1 x)) (/ 1 y))) into (sqrt (+ (/ 1 (pow x 2)) (/ 1 y)))
0.076 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.076 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [backup-simplify]: Simplify x into x
0.076 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.076 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [backup-simplify]: Simplify (/ 1 1) into 1
0.077 * [backup-simplify]: Simplify (+ 0 1) into 1
0.077 * [backup-simplify]: Simplify (sqrt 0) into 0
0.078 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.078 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.078 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.078 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 1 into 1
0.079 * [backup-simplify]: Simplify (* 1 1) into 1
0.079 * [backup-simplify]: Simplify (/ 1 1) into 1
0.079 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [backup-simplify]: Simplify y into y
0.079 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.079 * [backup-simplify]: Simplify (+ 1 0) into 1
0.079 * [backup-simplify]: Simplify (sqrt 1) into 1
0.080 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.080 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.081 * [backup-simplify]: Simplify (+ 0 0) into 0
0.081 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.081 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.081 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (* 1 1) into 1
0.082 * [backup-simplify]: Simplify (/ 1 1) into 1
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [backup-simplify]: Simplify y into y
0.082 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.082 * [backup-simplify]: Simplify (+ 1 0) into 1
0.082 * [backup-simplify]: Simplify (sqrt 1) into 1
0.083 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.083 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.083 * [backup-simplify]: Simplify (+ 0 0) into 0
0.084 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.084 * [taylor]: Taking taylor expansion of 1 in y
0.084 * [backup-simplify]: Simplify 1 into 1
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.085 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.086 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.086 * [backup-simplify]: Simplify (/ (- (/ 1 y) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 y)
0.086 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.086 * [taylor]: Taking taylor expansion of 1/2 in y
0.086 * [backup-simplify]: Simplify 1/2 into 1/2
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
0.087 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.087 * [backup-simplify]: Simplify 1/2 into 1/2
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.088 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.088 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.088 * [backup-simplify]: Simplify (+ 0 0) into 0
0.089 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 y))))) (* 2 1)) 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 (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.091 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.091 * [backup-simplify]: Simplify (+ 0 0) into 0
0.101 * [backup-simplify]: Simplify (/ (- 0 (pow (/ 1/2 y) 2) (+ (* 2 (* 0 0)))) (* 2 1)) into (/ -1/8 (pow y 2))
0.101 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.101 * [taylor]: Taking taylor expansion of -1/8 in y
0.101 * [backup-simplify]: Simplify -1/8 into -1/8
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
0.102 * [backup-simplify]: Simplify (* 1 1) into 1
0.103 * [backup-simplify]: Simplify (/ -1/8 1) into -1/8
0.103 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.104 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/8 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
0.105 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y)))) into (sqrt (- (/ 1 (pow x 2)) (/ 1 y)))
0.105 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.105 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.105 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.105 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.105 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.105 * [taylor]: Taking taylor expansion of x in y
0.105 * [backup-simplify]: Simplify x into x
0.105 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.105 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.105 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.105 * [taylor]: Taking taylor expansion of y in y
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 1 into 1
0.106 * [backup-simplify]: Simplify (/ 1 1) into 1
0.106 * [backup-simplify]: Simplify (- 1) into -1
0.106 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.107 * [backup-simplify]: Simplify (sqrt 0) into 0
0.108 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.108 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.108 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.108 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify (* 1 1) into 1
0.109 * [backup-simplify]: Simplify (/ 1 1) into 1
0.109 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.109 * [taylor]: Taking taylor expansion of y in x
0.109 * [backup-simplify]: Simplify y into y
0.109 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.110 * [backup-simplify]: Simplify (+ 1 0) into 1
0.110 * [backup-simplify]: Simplify (sqrt 1) into 1
0.111 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.112 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.112 * [backup-simplify]: Simplify (+ 0 0) into 0
0.113 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.113 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.113 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.113 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.113 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 1 into 1
0.113 * [backup-simplify]: Simplify (* 1 1) into 1
0.114 * [backup-simplify]: Simplify (/ 1 1) into 1
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.114 * [taylor]: Taking taylor expansion of y in x
0.114 * [backup-simplify]: Simplify y into y
0.114 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.114 * [backup-simplify]: Simplify (+ 1 0) into 1
0.115 * [backup-simplify]: Simplify (sqrt 1) into 1
0.115 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.116 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.116 * [backup-simplify]: Simplify (+ 0 0) into 0
0.117 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.117 * [taylor]: Taking taylor expansion of 1 in y
0.117 * [backup-simplify]: Simplify 1 into 1
0.117 * [taylor]: Taking taylor expansion of 0 in y
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.118 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.119 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.120 * [backup-simplify]: Simplify (/ (- (- (/ 1 y)) (pow 0 2) (+)) (* 2 1)) into (/ -1/2 y)
0.120 * [taylor]: Taking taylor expansion of (/ -1/2 y) in y
0.120 * [taylor]: Taking taylor expansion of -1/2 in y
0.120 * [backup-simplify]: Simplify -1/2 into -1/2
0.120 * [taylor]: Taking taylor expansion of y in y
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (/ -1/2 1) into -1/2
0.121 * [backup-simplify]: Simplify -1/2 into -1/2
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.124 * [backup-simplify]: Simplify (- 0) into 0
0.124 * [backup-simplify]: Simplify (+ 0 0) into 0
0.124 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ -1/2 y))))) (* 2 1)) into 0
0.125 * [taylor]: Taking taylor expansion of 0 in y
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/2 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.127 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.128 * [backup-simplify]: Simplify (- 0) into 0
0.128 * [backup-simplify]: Simplify (+ 0 0) into 0
0.130 * [backup-simplify]: Simplify (/ (- 0 (pow (/ -1/2 y) 2) (+ (* 2 (* 0 0)))) (* 2 1)) into (/ -1/8 (pow y 2))
0.130 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.130 * [taylor]: Taking taylor expansion of -1/8 in y
0.130 * [backup-simplify]: Simplify -1/8 into -1/8
0.130 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 1 into 1
0.130 * [backup-simplify]: Simplify (* 1 1) into 1
0.131 * [backup-simplify]: Simplify (/ -1/8 1) into -1/8
0.131 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.132 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/8 (/ 0 1)))) into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))) (* 1 (* 1 (/ 1 (/ 1 (- x)))))) into (- (+ x (* 1/2 (/ y x))))
0.132 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.133 * [backup-simplify]: Simplify (+ (* x x) y) into (+ (pow x 2) y)
0.133 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.133 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.133 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.133 * [taylor]: Taking taylor expansion of x in y
0.133 * [backup-simplify]: Simplify x into x
0.133 * [taylor]: Taking taylor expansion of y in y
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.133 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [taylor]: Taking taylor expansion of y in x
0.133 * [backup-simplify]: Simplify y into y
0.133 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.133 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [taylor]: Taking taylor expansion of y in x
0.133 * [backup-simplify]: Simplify y into y
0.133 * [backup-simplify]: Simplify (+ 0 y) into y
0.133 * [taylor]: Taking taylor expansion of y in y
0.133 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 1 into 1
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify (+ 0 0) into 0
0.134 * [taylor]: Taking taylor expansion of 0 in y
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 1 into 1
0.134 * [backup-simplify]: Simplify (* 1 1) into 1
0.135 * [backup-simplify]: Simplify (+ 1 0) into 1
0.135 * [taylor]: Taking taylor expansion of 1 in y
0.135 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.136 * [backup-simplify]: Simplify (+ 0 0) into 0
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 x) 2)) (* 1 (* y 1))) into (+ (pow x 2) y)
0.137 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 x)) (/ 1 y)) into (+ (/ 1 (pow x 2)) (/ 1 y))
0.137 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [backup-simplify]: Simplify x into x
0.137 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.137 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (/ 1 1) into 1
0.138 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (* 1 1) into 1
0.139 * [backup-simplify]: Simplify (/ 1 1) into 1
0.139 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.139 * [taylor]: Taking taylor expansion of y in x
0.139 * [backup-simplify]: Simplify y into y
0.139 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.139 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.139 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify 1 into 1
0.140 * [backup-simplify]: Simplify (* 1 1) into 1
0.140 * [backup-simplify]: Simplify (/ 1 1) into 1
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [backup-simplify]: Simplify y into y
0.140 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.140 * [backup-simplify]: Simplify (+ 1 0) into 1
0.141 * [taylor]: Taking taylor expansion of 1 in y
0.141 * [backup-simplify]: Simplify 1 into 1
0.141 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.142 * [backup-simplify]: Simplify (+ 0 0) into 0
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 1 into 1
0.143 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.144 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 1 into 1
0.145 * [backup-simplify]: Simplify (/ 1 1) into 1
0.145 * [backup-simplify]: Simplify 1 into 1
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.146 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.146 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.146 * [backup-simplify]: Simplify (+ 0 0) into 0
0.146 * [taylor]: Taking taylor expansion of 0 in y
0.146 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.148 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.148 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.148 * [backup-simplify]: Simplify (+ 0 0) into 0
0.148 * [taylor]: Taking taylor expansion of 0 in y
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (/ 1 y)) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2))) into (+ (pow x 2) y)
0.149 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y))) into (- (/ 1 (pow x 2)) (/ 1 y))
0.149 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.149 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.149 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.149 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.149 * [taylor]: Taking taylor expansion of x in y
0.149 * [backup-simplify]: Simplify x into x
0.149 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.149 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.149 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.149 * [taylor]: Taking taylor expansion of y in y
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify 1 into 1
0.149 * [backup-simplify]: Simplify (/ 1 1) into 1
0.149 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.149 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.149 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify 1 into 1
0.150 * [backup-simplify]: Simplify (* 1 1) into 1
0.150 * [backup-simplify]: Simplify (/ 1 1) into 1
0.150 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.150 * [taylor]: Taking taylor expansion of y in x
0.150 * [backup-simplify]: Simplify y into y
0.150 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.150 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.150 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.150 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify 1 into 1
0.150 * [backup-simplify]: Simplify (* 1 1) into 1
0.151 * [backup-simplify]: Simplify (/ 1 1) into 1
0.151 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.151 * [taylor]: Taking taylor expansion of y in x
0.151 * [backup-simplify]: Simplify y into y
0.151 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.151 * [backup-simplify]: Simplify (+ 1 0) into 1
0.151 * [taylor]: Taking taylor expansion of 1 in y
0.151 * [backup-simplify]: Simplify 1 into 1
0.151 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.152 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.152 * [backup-simplify]: Simplify (+ 0 0) into 0
0.152 * [taylor]: Taking taylor expansion of 0 in y
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 1 into 1
0.153 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.153 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.153 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.153 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.153 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.153 * [taylor]: Taking taylor expansion of y in y
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 1 into 1
0.154 * [backup-simplify]: Simplify (/ 1 1) into 1
0.154 * [backup-simplify]: Simplify (- 1) into -1
0.154 * [backup-simplify]: Simplify -1 into -1
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.155 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.155 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.155 * [backup-simplify]: Simplify (- 0) into 0
0.156 * [backup-simplify]: Simplify (+ 0 0) into 0
0.156 * [taylor]: Taking taylor expansion of 0 in y
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.156 * [backup-simplify]: Simplify (- 0) into 0
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.158 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.159 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.159 * [backup-simplify]: Simplify (- 0) into 0
0.159 * [backup-simplify]: Simplify (+ 0 0) into 0
0.159 * [taylor]: Taking taylor expansion of 0 in y
0.159 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2))) into (+ (pow x 2) y)
0.160 * * * [progress]: simplifying candidates
0.160 * [simplify]: Simplifying:
  (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (* (* (sqrt (+ (* x x) y)) (sqrt (+ (* x x) y))) (sqrt (+ (* x x) y)))
  (sqrt (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt 1)
  (sqrt (+ (* x x) y))
  (sqrt (+ (pow (* x x) 3) (pow y 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y))))
  (sqrt (- (* (* x x) (* x x)) (* y y)))
  (sqrt (- (* x x) y))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (* (exp (* x x)) (exp y))
  (log (+ (* x x) y))
  (exp (+ (* x x) y))
  (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y)))
  (cbrt (+ (* x x) y))
  (* (* (+ (* x x) y) (+ (* x x) y)) (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (+ (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y)))
  (- (* (* x x) (* x x)) (* y y))
  (- (* x x) y)
  (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 (pow y 2)) (- (* +nan.0 y))))))
  (+ x (* 1/2 (/ y x)))
  (- (+ x (* 1/2 (/ y x))))
  (+ (pow x 2) y)
  (+ (pow x 2) y)
  (+ (pow x 2) y)
0.161 * * [simplify]: Extracting # 0 : cost  0
0.161 * * [simplify]: Extracting # 1 : cost  0
0.161 * * [simplify]: Extracting # 2 : cost  0
0.161 * * [simplify]: Extracting # 3 : cost  0
0.161 * * [simplify]: Extracting # 4 : cost  0
0.161 * * [simplify]: Extracting # 5 : cost  0
0.161 * * [simplify]: Extracting # 6 : cost  0
0.161 * * [simplify]: Extracting # 7 : cost  0
0.161 * * [simplify]: Extracting # 8 : cost  0
0.161 * * [simplify]: Extracting # 9 : cost  0
0.161 * * [simplify]: Extracting # 10 : cost  0
0.162 * * [simplify]: iteration  0 :  59  enodes  (cost  319 )
0.175 * * [simplify]: Extracting # 0 : cost  0
0.175 * * [simplify]: Extracting # 1 : cost  0
0.175 * * [simplify]: Extracting # 2 : cost  0
0.175 * * [simplify]: Extracting # 3 : cost  0
0.176 * * [simplify]: Extracting # 4 : cost  0
0.176 * * [simplify]: iteration  1 :  140  enodes  (cost  294 )
0.243 * * [simplify]: Extracting # 0 : cost  0
0.243 * * [simplify]: Extracting # 1 : cost  0
0.244 * * [simplify]: Extracting # 2 : cost  0
0.244 * * [simplify]: Extracting # 3 : cost  0
0.244 * * [simplify]: Extracting # 4 : cost  0
0.244 * * [simplify]: iteration  2 :  347  enodes  (cost  258 )
0.414 * * [simplify]: Extracting # 0 : cost  0
0.416 * * [simplify]: Extracting # 1 : cost  0
0.417 * * [simplify]: Extracting # 2 : cost  0
0.418 * * [simplify]: Extracting # 3 : cost  0
0.420 * * [simplify]: Extracting # 4 : cost  0
0.421 * * [simplify]: iteration  3 :  826  enodes  (cost  255 )
0.968 * * [simplify]: Extracting # 0 : cost  0
0.970 * * [simplify]: Extracting # 1 : cost  0
0.972 * * [simplify]: Extracting # 2 : cost  0
0.973 * * [simplify]: Extracting # 3 : cost  0
0.975 * * [simplify]: Extracting # 4 : cost  0
0.976 * * [simplify]: iteration  4 :  2004  enodes  (cost  254 )
2.554 * * [simplify]: Extracting # 0 : cost  0
2.560 * * [simplify]: Extracting # 1 : cost  0
2.571 * * [simplify]: Extracting # 2 : cost  0
2.573 * * [simplify]: Extracting # 3 : cost  0
2.576 * * [simplify]: Extracting # 4 : cost  0
2.579 * * [simplify]: Extracting # 5 : cost  0
2.581 * * [simplify]: iteration  5 :  4212  enodes  (cost  254 )
4.295 * * [simplify]: Extracting # 0 : cost  0
4.299 * * [simplify]: Extracting # 1 : cost  0
4.303 * * [simplify]: Extracting # 2 : cost  0
4.313 * * [simplify]: Extracting # 3 : cost  0
4.317 * * [simplify]: Extracting # 4 : cost  0
4.320 * * [simplify]: iteration done:  5000  enodes  (cost  254 )
4.321 * [simplify]: Simplified to:
  (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (pow (sqrt (+ (* x x) y)) 3)
  (fabs (cbrt (+ (* x x) y)))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  1
  (sqrt (+ y (* x x)))
  (sqrt (+ (pow y 3) (pow x 6)))
  (sqrt (+ (pow x 4) (* y (- y (* x x)))))
  (sqrt (- (pow x 4) (* y y)))
  (sqrt (- (* x x) y))
  1/2
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (exp (+ (* x x) y))
  (log (+ (* x x) y))
  (exp (+ (* x x) y))
  (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y)))
  (cbrt (+ (* x x) y))
  (pow (+ y (* x x)) 3)
  (sqrt (+ y (* x x)))
  (sqrt (+ y (* x x)))
  (+ (pow y 3) (pow x 6))
  (+ (pow x 4) (* y (- y (* x x))))
  (- (pow x 4) (* y y))
  (- (* x x) y)
  (* (- (- (* y y) y) (* x x)) +nan.0)
  (+ x (* 1/2 (/ y x)))
  (- (* (/ y x) -1/2) x)
  (+ y (* x x))
  (+ y (* x x))
  (+ y (* x x))
4.321 * * * [progress]: adding candidates to table
4.391 * * [progress]: iteration 2 / 4
4.391 * * * [progress]: picking best candidate
4.394 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (* 1/2 (/ y x))))>
4.394 * * * [progress]: localizing error
4.399 * * * [progress]: generating rewritten candidates
4.399 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.408 * * * [progress]: generating series expansions
4.408 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.408 * [backup-simplify]: Simplify (+ x (* 1/2 (/ y x))) into (+ x (* 1/2 (/ y x)))
4.408 * [approximate]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in (x y) around 0
4.408 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
4.408 * [taylor]: Taking taylor expansion of x in y
4.408 * [backup-simplify]: Simplify x into x
4.408 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
4.408 * [taylor]: Taking taylor expansion of 1/2 in y
4.408 * [backup-simplify]: Simplify 1/2 into 1/2
4.408 * [taylor]: Taking taylor expansion of (/ y x) in y
4.408 * [taylor]: Taking taylor expansion of y in y
4.408 * [backup-simplify]: Simplify 0 into 0
4.408 * [backup-simplify]: Simplify 1 into 1
4.408 * [taylor]: Taking taylor expansion of x in y
4.408 * [backup-simplify]: Simplify x into x
4.408 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.409 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
4.409 * [taylor]: Taking taylor expansion of x in x
4.409 * [backup-simplify]: Simplify 0 into 0
4.409 * [backup-simplify]: Simplify 1 into 1
4.409 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
4.409 * [taylor]: Taking taylor expansion of 1/2 in x
4.409 * [backup-simplify]: Simplify 1/2 into 1/2
4.409 * [taylor]: Taking taylor expansion of (/ y x) in x
4.409 * [taylor]: Taking taylor expansion of y in x
4.409 * [backup-simplify]: Simplify y into y
4.409 * [taylor]: Taking taylor expansion of x in x
4.409 * [backup-simplify]: Simplify 0 into 0
4.409 * [backup-simplify]: Simplify 1 into 1
4.409 * [backup-simplify]: Simplify (/ y 1) into y
4.409 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
4.409 * [taylor]: Taking taylor expansion of x in x
4.409 * [backup-simplify]: Simplify 0 into 0
4.409 * [backup-simplify]: Simplify 1 into 1
4.409 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
4.409 * [taylor]: Taking taylor expansion of 1/2 in x
4.409 * [backup-simplify]: Simplify 1/2 into 1/2
4.409 * [taylor]: Taking taylor expansion of (/ y x) in x
4.409 * [taylor]: Taking taylor expansion of y in x
4.409 * [backup-simplify]: Simplify y into y
4.409 * [taylor]: Taking taylor expansion of x in x
4.409 * [backup-simplify]: Simplify 0 into 0
4.409 * [backup-simplify]: Simplify 1 into 1
4.409 * [backup-simplify]: Simplify (/ y 1) into y
4.409 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
4.409 * [backup-simplify]: Simplify (+ 0 (* 1/2 y)) into (* 1/2 y)
4.409 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
4.409 * [taylor]: Taking taylor expansion of 1/2 in y
4.409 * [backup-simplify]: Simplify 1/2 into 1/2
4.409 * [taylor]: Taking taylor expansion of y in y
4.409 * [backup-simplify]: Simplify 0 into 0
4.409 * [backup-simplify]: Simplify 1 into 1
4.410 * [backup-simplify]: Simplify (* 1/2 0) into 0
4.410 * [backup-simplify]: Simplify 0 into 0
4.410 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0
4.411 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 y)) into 0
4.411 * [backup-simplify]: Simplify (+ 0 0) into 0
4.411 * [taylor]: Taking taylor expansion of 0 in y
4.411 * [backup-simplify]: Simplify 0 into 0
4.411 * [backup-simplify]: Simplify 0 into 0
4.411 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
4.411 * [backup-simplify]: Simplify 1/2 into 1/2
4.412 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.413 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 y))) into 0
4.413 * [backup-simplify]: Simplify (+ 1 0) into 1
4.413 * [taylor]: Taking taylor expansion of 1 in y
4.413 * [backup-simplify]: Simplify 1 into 1
4.413 * [backup-simplify]: Simplify 1 into 1
4.413 * [backup-simplify]: Simplify 0 into 0
4.414 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
4.414 * [backup-simplify]: Simplify 0 into 0
4.415 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.416 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
4.416 * [backup-simplify]: Simplify (+ 0 0) into 0
4.416 * [taylor]: Taking taylor expansion of 0 in y
4.416 * [backup-simplify]: Simplify 0 into 0
4.416 * [backup-simplify]: Simplify 0 into 0
4.416 * [backup-simplify]: Simplify 0 into 0
4.416 * [backup-simplify]: Simplify 0 into 0
4.417 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
4.417 * [backup-simplify]: Simplify 0 into 0
4.417 * [backup-simplify]: Simplify (+ (* 1 (* 1 x)) (* 1/2 (* y (/ 1 x)))) into (+ x (* 1/2 (/ y x)))
4.417 * [backup-simplify]: Simplify (+ (/ 1 x) (* 1/2 (/ (/ 1 y) (/ 1 x)))) into (+ (* 1/2 (/ x y)) (/ 1 x))
4.417 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
4.417 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
4.417 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.417 * [taylor]: Taking taylor expansion of 1/2 in y
4.417 * [backup-simplify]: Simplify 1/2 into 1/2
4.417 * [taylor]: Taking taylor expansion of (/ x y) in y
4.417 * [taylor]: Taking taylor expansion of x in y
4.417 * [backup-simplify]: Simplify x into x
4.417 * [taylor]: Taking taylor expansion of y in y
4.417 * [backup-simplify]: Simplify 0 into 0
4.417 * [backup-simplify]: Simplify 1 into 1
4.417 * [backup-simplify]: Simplify (/ x 1) into x
4.417 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.417 * [taylor]: Taking taylor expansion of x in y
4.417 * [backup-simplify]: Simplify x into x
4.417 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.417 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
4.417 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.418 * [taylor]: Taking taylor expansion of 1/2 in x
4.418 * [backup-simplify]: Simplify 1/2 into 1/2
4.418 * [taylor]: Taking taylor expansion of (/ x y) in x
4.418 * [taylor]: Taking taylor expansion of x in x
4.418 * [backup-simplify]: Simplify 0 into 0
4.418 * [backup-simplify]: Simplify 1 into 1
4.418 * [taylor]: Taking taylor expansion of y in x
4.418 * [backup-simplify]: Simplify y into y
4.418 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.418 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.418 * [taylor]: Taking taylor expansion of x in x
4.418 * [backup-simplify]: Simplify 0 into 0
4.418 * [backup-simplify]: Simplify 1 into 1
4.418 * [backup-simplify]: Simplify (/ 1 1) into 1
4.418 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
4.418 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.418 * [taylor]: Taking taylor expansion of 1/2 in x
4.418 * [backup-simplify]: Simplify 1/2 into 1/2
4.418 * [taylor]: Taking taylor expansion of (/ x y) in x
4.418 * [taylor]: Taking taylor expansion of x in x
4.418 * [backup-simplify]: Simplify 0 into 0
4.418 * [backup-simplify]: Simplify 1 into 1
4.418 * [taylor]: Taking taylor expansion of y in x
4.418 * [backup-simplify]: Simplify y into y
4.418 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.418 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.418 * [taylor]: Taking taylor expansion of x in x
4.418 * [backup-simplify]: Simplify 0 into 0
4.418 * [backup-simplify]: Simplify 1 into 1
4.418 * [backup-simplify]: Simplify (/ 1 1) into 1
4.419 * [backup-simplify]: Simplify (+ 0 1) into 1
4.419 * [taylor]: Taking taylor expansion of 1 in y
4.419 * [backup-simplify]: Simplify 1 into 1
4.419 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.419 * [backup-simplify]: Simplify (+ 0 0) into 0
4.419 * [taylor]: Taking taylor expansion of 0 in y
4.420 * [backup-simplify]: Simplify 0 into 0
4.420 * [backup-simplify]: Simplify 1 into 1
4.420 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
4.420 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.420 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
4.420 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
4.420 * [taylor]: Taking taylor expansion of 1/2 in y
4.420 * [backup-simplify]: Simplify 1/2 into 1/2
4.420 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.420 * [taylor]: Taking taylor expansion of y in y
4.420 * [backup-simplify]: Simplify 0 into 0
4.420 * [backup-simplify]: Simplify 1 into 1
4.421 * [backup-simplify]: Simplify (/ 1 1) into 1
4.421 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
4.421 * [backup-simplify]: Simplify 1/2 into 1/2
4.421 * [backup-simplify]: Simplify 0 into 0
4.421 * [backup-simplify]: Simplify 0 into 0
4.421 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
4.421 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
4.422 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.422 * [backup-simplify]: Simplify (+ 0 0) into 0
4.422 * [taylor]: Taking taylor expansion of 0 in y
4.422 * [backup-simplify]: Simplify 0 into 0
4.423 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.423 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
4.423 * [backup-simplify]: Simplify 0 into 0
4.423 * [backup-simplify]: Simplify 0 into 0
4.423 * [backup-simplify]: Simplify 0 into 0
4.423 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.424 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.424 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.424 * [backup-simplify]: Simplify (+ 0 0) into 0
4.425 * [taylor]: Taking taylor expansion of 0 in y
4.425 * [backup-simplify]: Simplify 0 into 0
4.425 * [backup-simplify]: Simplify 0 into 0
4.425 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
4.425 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (* 1/2 (/ (/ 1 (- y)) (/ 1 (- x))))) into (- (* 1/2 (/ x y)) (/ 1 x))
4.425 * [approximate]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
4.425 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in y
4.425 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.425 * [taylor]: Taking taylor expansion of 1/2 in y
4.425 * [backup-simplify]: Simplify 1/2 into 1/2
4.425 * [taylor]: Taking taylor expansion of (/ x y) in y
4.425 * [taylor]: Taking taylor expansion of x in y
4.425 * [backup-simplify]: Simplify x into x
4.425 * [taylor]: Taking taylor expansion of y in y
4.425 * [backup-simplify]: Simplify 0 into 0
4.425 * [backup-simplify]: Simplify 1 into 1
4.425 * [backup-simplify]: Simplify (/ x 1) into x
4.425 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.425 * [taylor]: Taking taylor expansion of x in y
4.425 * [backup-simplify]: Simplify x into x
4.425 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.425 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
4.425 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.425 * [taylor]: Taking taylor expansion of 1/2 in x
4.425 * [backup-simplify]: Simplify 1/2 into 1/2
4.425 * [taylor]: Taking taylor expansion of (/ x y) in x
4.425 * [taylor]: Taking taylor expansion of x in x
4.425 * [backup-simplify]: Simplify 0 into 0
4.425 * [backup-simplify]: Simplify 1 into 1
4.425 * [taylor]: Taking taylor expansion of y in x
4.425 * [backup-simplify]: Simplify y into y
4.425 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.425 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.425 * [taylor]: Taking taylor expansion of x in x
4.425 * [backup-simplify]: Simplify 0 into 0
4.425 * [backup-simplify]: Simplify 1 into 1
4.426 * [backup-simplify]: Simplify (/ 1 1) into 1
4.426 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
4.426 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.426 * [taylor]: Taking taylor expansion of 1/2 in x
4.426 * [backup-simplify]: Simplify 1/2 into 1/2
4.426 * [taylor]: Taking taylor expansion of (/ x y) in x
4.426 * [taylor]: Taking taylor expansion of x in x
4.426 * [backup-simplify]: Simplify 0 into 0
4.426 * [backup-simplify]: Simplify 1 into 1
4.426 * [taylor]: Taking taylor expansion of y in x
4.426 * [backup-simplify]: Simplify y into y
4.426 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.426 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.426 * [taylor]: Taking taylor expansion of x in x
4.426 * [backup-simplify]: Simplify 0 into 0
4.426 * [backup-simplify]: Simplify 1 into 1
4.426 * [backup-simplify]: Simplify (/ 1 1) into 1
4.427 * [backup-simplify]: Simplify (- 1) into -1
4.427 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.427 * [taylor]: Taking taylor expansion of -1 in y
4.427 * [backup-simplify]: Simplify -1 into -1
4.427 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.427 * [backup-simplify]: Simplify (- 0) into 0
4.428 * [backup-simplify]: Simplify (+ 0 0) into 0
4.428 * [taylor]: Taking taylor expansion of 0 in y
4.428 * [backup-simplify]: Simplify 0 into 0
4.428 * [backup-simplify]: Simplify -1 into -1
4.428 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
4.432 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.432 * [backup-simplify]: Simplify (- 0) into 0
4.432 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
4.432 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
4.432 * [taylor]: Taking taylor expansion of 1/2 in y
4.432 * [backup-simplify]: Simplify 1/2 into 1/2
4.432 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.432 * [taylor]: Taking taylor expansion of y in y
4.432 * [backup-simplify]: Simplify 0 into 0
4.432 * [backup-simplify]: Simplify 1 into 1
4.433 * [backup-simplify]: Simplify (/ 1 1) into 1
4.433 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
4.433 * [backup-simplify]: Simplify 1/2 into 1/2
4.433 * [backup-simplify]: Simplify 0 into 0
4.433 * [backup-simplify]: Simplify 0 into 0
4.433 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
4.434 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
4.434 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.435 * [backup-simplify]: Simplify (- 0) into 0
4.435 * [backup-simplify]: Simplify (+ 0 0) into 0
4.435 * [taylor]: Taking taylor expansion of 0 in y
4.435 * [backup-simplify]: Simplify 0 into 0
4.436 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.437 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
4.437 * [backup-simplify]: Simplify 0 into 0
4.437 * [backup-simplify]: Simplify 0 into 0
4.437 * [backup-simplify]: Simplify 0 into 0
4.437 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.438 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.438 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.439 * [backup-simplify]: Simplify (- 0) into 0
4.439 * [backup-simplify]: Simplify (+ 0 0) into 0
4.439 * [taylor]: Taking taylor expansion of 0 in y
4.439 * [backup-simplify]: Simplify 0 into 0
4.439 * [backup-simplify]: Simplify 0 into 0
4.440 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))) (* -1 (* 1 (/ 1 (/ 1 (- x)))))) into (+ x (* 1/2 (/ y x)))
4.440 * * * [progress]: simplifying candidates
4.440 * [simplify]: Simplifying:
  (* (exp x) (exp (* 1/2 (/ y x))))
  (log (+ x (* 1/2 (/ y x))))
  (exp (+ x (* 1/2 (/ y x))))
  (* (cbrt (+ x (* 1/2 (/ y x)))) (cbrt (+ x (* 1/2 (/ y x)))))
  (cbrt (+ x (* 1/2 (/ y x))))
  (* (* (+ x (* 1/2 (/ y x))) (+ x (* 1/2 (/ y x)))) (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (+ (pow x 3) (pow (* 1/2 (/ y x)) 3))
  (+ (* x x) (- (* (* 1/2 (/ y x)) (* 1/2 (/ y x))) (* x (* 1/2 (/ y x)))))
  (- (* x x) (* (* 1/2 (/ y x)) (* 1/2 (/ y x))))
  (- x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
4.441 * * [simplify]: Extracting # 0 : cost  0
4.441 * * [simplify]: Extracting # 1 : cost  0
4.441 * * [simplify]: Extracting # 2 : cost  0
4.441 * * [simplify]: Extracting # 3 : cost  0
4.441 * * [simplify]: Extracting # 4 : cost  0
4.441 * * [simplify]: Extracting # 5 : cost  0
4.441 * * [simplify]: Extracting # 6 : cost  0
4.441 * * [simplify]: iteration  0 :  27  enodes  (cost  166 )
4.448 * * [simplify]: Extracting # 0 : cost  0
4.448 * * [simplify]: Extracting # 1 : cost  0
4.448 * * [simplify]: Extracting # 2 : cost  0
4.448 * * [simplify]: Extracting # 3 : cost  0
4.448 * * [simplify]: iteration  1 :  86  enodes  (cost  157 )
4.472 * * [simplify]: Extracting # 0 : cost  0
4.472 * * [simplify]: Extracting # 1 : cost  0
4.473 * * [simplify]: Extracting # 2 : cost  0
4.473 * * [simplify]: Extracting # 3 : cost  0
4.473 * * [simplify]: Extracting # 4 : cost  0
4.474 * * [simplify]: Extracting # 5 : cost  0
4.474 * * [simplify]: iteration  2 :  294  enodes  (cost  143 )
4.652 * * [simplify]: Extracting # 0 : cost  0
4.653 * * [simplify]: Extracting # 1 : cost  0
4.654 * * [simplify]: Extracting # 2 : cost  0
4.655 * * [simplify]: Extracting # 3 : cost  0
4.656 * * [simplify]: Extracting # 4 : cost  0
4.657 * * [simplify]: iteration  3 :  964  enodes  (cost  143 )
5.735 * * [simplify]: Extracting # 0 : cost  0
5.740 * * [simplify]: Extracting # 1 : cost  0
5.743 * * [simplify]: Extracting # 2 : cost  0
5.746 * * [simplify]: Extracting # 3 : cost  0
5.749 * * [simplify]: Extracting # 4 : cost  0
5.752 * * [simplify]: iteration  4 :  3062  enodes  (cost  143 )
7.068 * * [simplify]: Extracting # 0 : cost  0
7.078 * * [simplify]: Extracting # 1 : cost  0
7.086 * * [simplify]: Extracting # 2 : cost  0
7.094 * * [simplify]: Extracting # 3 : cost  0
7.102 * * [simplify]: Extracting # 4 : cost  0
7.115 * * [simplify]: iteration done:  5000  enodes  (cost  143 )
7.115 * [simplify]: Simplified to:
  (exp (+ x (* 1/2 (/ y x))))
  (log (+ x (* 1/2 (/ y x))))
  (exp (+ x (* 1/2 (/ y x))))
  (* (cbrt (+ x (* 1/2 (/ y x)))) (cbrt (+ x (* 1/2 (/ y x)))))
  (cbrt (+ x (* 1/2 (/ y x))))
  (pow (+ x (* 1/2 (/ y x))) 3)
  (sqrt (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (+ (pow x 3) (pow (* 1/2 (/ y x)) 3))
  (+ (* x x) (* (* 1/2 (/ y x)) (- (* 1/2 (/ y x)) x)))
  (- (* x x) (* 1/4 (* (/ y x) (/ y x))))
  (- x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
7.116 * * * [progress]: adding candidates to table
7.152 * * [progress]: iteration 3 / 4
7.152 * * * [progress]: picking best candidate
7.154 * * * * [pick]: Picked  #<alt (λ (x y) (- (* (/ y x) -1/2) x))>
7.154 * * * [progress]: localizing error
7.163 * * * [progress]: generating rewritten candidates
7.163 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
7.182 * * * [progress]: generating series expansions
7.182 * * * * [progress]: [ 1 / 1 ] generating series at (2)
7.182 * [backup-simplify]: Simplify (- (* (/ y x) -1/2) x) into (- (+ x (* 1/2 (/ y x))))
7.182 * [approximate]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in (y x) around 0
7.182 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in x
7.182 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
7.182 * [taylor]: Taking taylor expansion of x in x
7.182 * [backup-simplify]: Simplify 0 into 0
7.182 * [backup-simplify]: Simplify 1 into 1
7.182 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
7.182 * [taylor]: Taking taylor expansion of 1/2 in x
7.182 * [backup-simplify]: Simplify 1/2 into 1/2
7.182 * [taylor]: Taking taylor expansion of (/ y x) in x
7.182 * [taylor]: Taking taylor expansion of y in x
7.182 * [backup-simplify]: Simplify y into y
7.182 * [taylor]: Taking taylor expansion of x in x
7.182 * [backup-simplify]: Simplify 0 into 0
7.182 * [backup-simplify]: Simplify 1 into 1
7.182 * [backup-simplify]: Simplify (/ y 1) into y
7.182 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
7.182 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
7.182 * [taylor]: Taking taylor expansion of x in y
7.182 * [backup-simplify]: Simplify x into x
7.182 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
7.182 * [taylor]: Taking taylor expansion of 1/2 in y
7.183 * [backup-simplify]: Simplify 1/2 into 1/2
7.183 * [taylor]: Taking taylor expansion of (/ y x) in y
7.183 * [taylor]: Taking taylor expansion of y in y
7.183 * [backup-simplify]: Simplify 0 into 0
7.183 * [backup-simplify]: Simplify 1 into 1
7.183 * [taylor]: Taking taylor expansion of x in y
7.183 * [backup-simplify]: Simplify x into x
7.183 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.183 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
7.183 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
7.183 * [taylor]: Taking taylor expansion of x in y
7.183 * [backup-simplify]: Simplify x into x
7.183 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
7.183 * [taylor]: Taking taylor expansion of 1/2 in y
7.183 * [backup-simplify]: Simplify 1/2 into 1/2
7.183 * [taylor]: Taking taylor expansion of (/ y x) in y
7.183 * [taylor]: Taking taylor expansion of y in y
7.183 * [backup-simplify]: Simplify 0 into 0
7.183 * [backup-simplify]: Simplify 1 into 1
7.183 * [taylor]: Taking taylor expansion of x in y
7.183 * [backup-simplify]: Simplify x into x
7.183 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.183 * [backup-simplify]: Simplify (+ x 0) into x
7.183 * [backup-simplify]: Simplify (- x) into (- x)
7.183 * [taylor]: Taking taylor expansion of (- x) in x
7.183 * [taylor]: Taking taylor expansion of x in x
7.183 * [backup-simplify]: Simplify 0 into 0
7.183 * [backup-simplify]: Simplify 1 into 1
7.183 * [backup-simplify]: Simplify (* 1/2 (/ 1 x)) into (/ 1/2 x)
7.183 * [backup-simplify]: Simplify (+ 0 (/ 1/2 x)) into (* 1/2 (/ 1 x))
7.184 * [backup-simplify]: Simplify (- (* 1/2 (/ 1 x))) into (- (* 1/2 (/ 1 x)))
7.184 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ 1 x))) in x
7.184 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
7.184 * [taylor]: Taking taylor expansion of 1/2 in x
7.184 * [backup-simplify]: Simplify 1/2 into 1/2
7.184 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.184 * [taylor]: Taking taylor expansion of x in x
7.184 * [backup-simplify]: Simplify 0 into 0
7.184 * [backup-simplify]: Simplify 1 into 1
7.184 * [backup-simplify]: Simplify (/ 1 1) into 1
7.185 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
7.185 * [backup-simplify]: Simplify (- 1/2) into -1/2
7.185 * [backup-simplify]: Simplify -1/2 into -1/2
7.185 * [backup-simplify]: Simplify (- 0) into 0
7.186 * [backup-simplify]: Simplify 0 into 0
7.186 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)))) into 0
7.186 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 x))) into 0
7.186 * [backup-simplify]: Simplify (+ 0 0) into 0
7.187 * [backup-simplify]: Simplify (- 0) into 0
7.187 * [taylor]: Taking taylor expansion of 0 in x
7.187 * [backup-simplify]: Simplify 0 into 0
7.187 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.188 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
7.188 * [backup-simplify]: Simplify (- 0) into 0
7.188 * [backup-simplify]: Simplify 0 into 0
7.189 * [backup-simplify]: Simplify (- 1) into -1
7.189 * [backup-simplify]: Simplify -1 into -1
7.190 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.190 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 x)))) into 0
7.191 * [backup-simplify]: Simplify (+ 0 0) into 0
7.191 * [backup-simplify]: Simplify (- 0) into 0
7.191 * [taylor]: Taking taylor expansion of 0 in x
7.191 * [backup-simplify]: Simplify 0 into 0
7.191 * [backup-simplify]: Simplify 0 into 0
7.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.192 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
7.192 * [backup-simplify]: Simplify (- 0) into 0
7.192 * [backup-simplify]: Simplify 0 into 0
7.192 * [backup-simplify]: Simplify (- 0) into 0
7.193 * [backup-simplify]: Simplify 0 into 0
7.193 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.193 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 x))))) into 0
7.194 * [backup-simplify]: Simplify (+ 0 0) into 0
7.194 * [backup-simplify]: Simplify (- 0) into 0
7.194 * [taylor]: Taking taylor expansion of 0 in x
7.194 * [backup-simplify]: Simplify 0 into 0
7.194 * [backup-simplify]: Simplify 0 into 0
7.194 * [backup-simplify]: Simplify 0 into 0
7.194 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.195 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
7.195 * [backup-simplify]: Simplify (- 0) into 0
7.195 * [backup-simplify]: Simplify 0 into 0
7.196 * [backup-simplify]: Simplify (+ (* -1 (* x 1)) (* -1/2 (* (/ 1 x) y))) into (- (+ x (* 1/2 (/ y x))))
7.196 * [backup-simplify]: Simplify (- (* (/ (/ 1 y) (/ 1 x)) -1/2) (/ 1 x)) into (- (+ (* 1/2 (/ x y)) (/ 1 x)))
7.196 * [approximate]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in (y x) around 0
7.196 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in x
7.196 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
7.196 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
7.196 * [taylor]: Taking taylor expansion of 1/2 in x
7.196 * [backup-simplify]: Simplify 1/2 into 1/2
7.196 * [taylor]: Taking taylor expansion of (/ x y) in x
7.196 * [taylor]: Taking taylor expansion of x in x
7.196 * [backup-simplify]: Simplify 0 into 0
7.196 * [backup-simplify]: Simplify 1 into 1
7.196 * [taylor]: Taking taylor expansion of y in x
7.196 * [backup-simplify]: Simplify y into y
7.196 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
7.196 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.196 * [taylor]: Taking taylor expansion of x in x
7.196 * [backup-simplify]: Simplify 0 into 0
7.196 * [backup-simplify]: Simplify 1 into 1
7.196 * [backup-simplify]: Simplify (/ 1 1) into 1
7.196 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
7.196 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
7.196 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.196 * [taylor]: Taking taylor expansion of 1/2 in y
7.196 * [backup-simplify]: Simplify 1/2 into 1/2
7.196 * [taylor]: Taking taylor expansion of (/ x y) in y
7.196 * [taylor]: Taking taylor expansion of x in y
7.196 * [backup-simplify]: Simplify x into x
7.196 * [taylor]: Taking taylor expansion of y in y
7.196 * [backup-simplify]: Simplify 0 into 0
7.196 * [backup-simplify]: Simplify 1 into 1
7.196 * [backup-simplify]: Simplify (/ x 1) into x
7.196 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.196 * [taylor]: Taking taylor expansion of x in y
7.197 * [backup-simplify]: Simplify x into x
7.197 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.197 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
7.197 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
7.197 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.197 * [taylor]: Taking taylor expansion of 1/2 in y
7.197 * [backup-simplify]: Simplify 1/2 into 1/2
7.197 * [taylor]: Taking taylor expansion of (/ x y) in y
7.197 * [taylor]: Taking taylor expansion of x in y
7.197 * [backup-simplify]: Simplify x into x
7.197 * [taylor]: Taking taylor expansion of y in y
7.197 * [backup-simplify]: Simplify 0 into 0
7.197 * [backup-simplify]: Simplify 1 into 1
7.197 * [backup-simplify]: Simplify (/ x 1) into x
7.197 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.197 * [taylor]: Taking taylor expansion of x in y
7.197 * [backup-simplify]: Simplify x into x
7.197 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.197 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
7.197 * [backup-simplify]: Simplify (+ (* 1/2 x) 0) into (* 1/2 x)
7.197 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
7.197 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
7.197 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
7.197 * [taylor]: Taking taylor expansion of 1/2 in x
7.197 * [backup-simplify]: Simplify 1/2 into 1/2
7.197 * [taylor]: Taking taylor expansion of x in x
7.197 * [backup-simplify]: Simplify 0 into 0
7.197 * [backup-simplify]: Simplify 1 into 1
7.198 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
7.198 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
7.198 * [backup-simplify]: Simplify (+ 0 (/ 1 x)) into (/ 1 x)
7.198 * [backup-simplify]: Simplify (- (/ 1 x)) into (- (/ 1 x))
7.198 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
7.198 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.198 * [taylor]: Taking taylor expansion of x in x
7.198 * [backup-simplify]: Simplify 0 into 0
7.198 * [backup-simplify]: Simplify 1 into 1
7.198 * [backup-simplify]: Simplify (/ 1 1) into 1
7.199 * [backup-simplify]: Simplify (- 1) into -1
7.199 * [backup-simplify]: Simplify -1 into -1
7.199 * [backup-simplify]: Simplify (* 1/2 0) into 0
7.199 * [backup-simplify]: Simplify (- 0) into 0
7.199 * [backup-simplify]: Simplify 0 into 0
7.200 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.200 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
7.201 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
7.201 * [backup-simplify]: Simplify (+ 0 0) into 0
7.201 * [backup-simplify]: Simplify (- 0) into 0
7.201 * [taylor]: Taking taylor expansion of 0 in x
7.201 * [backup-simplify]: Simplify 0 into 0
7.201 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.202 * [backup-simplify]: Simplify (- 0) into 0
7.202 * [backup-simplify]: Simplify 0 into 0
7.202 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
7.202 * [backup-simplify]: Simplify (- 1/2) into -1/2
7.202 * [backup-simplify]: Simplify -1/2 into -1/2
7.203 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.204 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
7.204 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.204 * [backup-simplify]: Simplify (+ 0 0) into 0
7.205 * [backup-simplify]: Simplify (- 0) into 0
7.205 * [taylor]: Taking taylor expansion of 0 in x
7.205 * [backup-simplify]: Simplify 0 into 0
7.205 * [backup-simplify]: Simplify 0 into 0
7.205 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.206 * [backup-simplify]: Simplify (- 0) into 0
7.206 * [backup-simplify]: Simplify 0 into 0
7.206 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
7.206 * [backup-simplify]: Simplify (- 0) into 0
7.206 * [backup-simplify]: Simplify 0 into 0
7.208 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.209 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
7.209 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.209 * [backup-simplify]: Simplify (+ 0 0) into 0
7.210 * [backup-simplify]: Simplify (- 0) into 0
7.210 * [taylor]: Taking taylor expansion of 0 in x
7.210 * [backup-simplify]: Simplify 0 into 0
7.210 * [backup-simplify]: Simplify 0 into 0
7.210 * [backup-simplify]: Simplify 0 into 0
7.210 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.210 * [backup-simplify]: Simplify (- 0) into 0
7.210 * [backup-simplify]: Simplify 0 into 0
7.211 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 x) (/ 1 (/ 1 y)))) (* -1 (* (/ 1 (/ 1 x)) 1))) into (- (+ x (* 1/2 (/ y x))))
7.211 * [backup-simplify]: Simplify (- (* (/ (/ 1 (- y)) (/ 1 (- x))) -1/2) (/ 1 (- x))) into (- (/ 1 x) (* 1/2 (/ x y)))
7.211 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in (y x) around 0
7.211 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in x
7.211 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.211 * [taylor]: Taking taylor expansion of x in x
7.211 * [backup-simplify]: Simplify 0 into 0
7.211 * [backup-simplify]: Simplify 1 into 1
7.211 * [backup-simplify]: Simplify (/ 1 1) into 1
7.211 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
7.211 * [taylor]: Taking taylor expansion of 1/2 in x
7.211 * [backup-simplify]: Simplify 1/2 into 1/2
7.211 * [taylor]: Taking taylor expansion of (/ x y) in x
7.211 * [taylor]: Taking taylor expansion of x in x
7.211 * [backup-simplify]: Simplify 0 into 0
7.211 * [backup-simplify]: Simplify 1 into 1
7.211 * [taylor]: Taking taylor expansion of y in x
7.211 * [backup-simplify]: Simplify y into y
7.211 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
7.211 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
7.211 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.211 * [taylor]: Taking taylor expansion of x in y
7.211 * [backup-simplify]: Simplify x into x
7.211 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.211 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.212 * [taylor]: Taking taylor expansion of 1/2 in y
7.212 * [backup-simplify]: Simplify 1/2 into 1/2
7.212 * [taylor]: Taking taylor expansion of (/ x y) in y
7.212 * [taylor]: Taking taylor expansion of x in y
7.212 * [backup-simplify]: Simplify x into x
7.212 * [taylor]: Taking taylor expansion of y in y
7.212 * [backup-simplify]: Simplify 0 into 0
7.212 * [backup-simplify]: Simplify 1 into 1
7.212 * [backup-simplify]: Simplify (/ x 1) into x
7.212 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
7.212 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.212 * [taylor]: Taking taylor expansion of x in y
7.212 * [backup-simplify]: Simplify x into x
7.212 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.212 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.212 * [taylor]: Taking taylor expansion of 1/2 in y
7.212 * [backup-simplify]: Simplify 1/2 into 1/2
7.212 * [taylor]: Taking taylor expansion of (/ x y) in y
7.212 * [taylor]: Taking taylor expansion of x in y
7.212 * [backup-simplify]: Simplify x into x
7.212 * [taylor]: Taking taylor expansion of y in y
7.212 * [backup-simplify]: Simplify 0 into 0
7.212 * [backup-simplify]: Simplify 1 into 1
7.212 * [backup-simplify]: Simplify (/ x 1) into x
7.212 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
7.212 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
7.212 * [backup-simplify]: Simplify (+ 0 (- (* 1/2 x))) into (- (* 1/2 x))
7.212 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
7.212 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
7.212 * [taylor]: Taking taylor expansion of 1/2 in x
7.212 * [backup-simplify]: Simplify 1/2 into 1/2
7.212 * [taylor]: Taking taylor expansion of x in x
7.212 * [backup-simplify]: Simplify 0 into 0
7.212 * [backup-simplify]: Simplify 1 into 1
7.213 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
7.213 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
7.213 * [backup-simplify]: Simplify (- 0) into 0
7.213 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
7.213 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.213 * [taylor]: Taking taylor expansion of x in x
7.213 * [backup-simplify]: Simplify 0 into 0
7.213 * [backup-simplify]: Simplify 1 into 1
7.214 * [backup-simplify]: Simplify (/ 1 1) into 1
7.214 * [backup-simplify]: Simplify 1 into 1
7.214 * [backup-simplify]: Simplify (* 1/2 0) into 0
7.214 * [backup-simplify]: Simplify (- 0) into 0
7.214 * [backup-simplify]: Simplify 0 into 0
7.214 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
7.215 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.216 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
7.216 * [backup-simplify]: Simplify (- 0) into 0
7.216 * [backup-simplify]: Simplify (+ 0 0) into 0
7.216 * [taylor]: Taking taylor expansion of 0 in x
7.216 * [backup-simplify]: Simplify 0 into 0
7.220 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.220 * [backup-simplify]: Simplify 0 into 0
7.221 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
7.221 * [backup-simplify]: Simplify (- 1/2) into -1/2
7.221 * [backup-simplify]: Simplify -1/2 into -1/2
7.221 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.222 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.223 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
7.223 * [backup-simplify]: Simplify (- 0) into 0
7.223 * [backup-simplify]: Simplify (+ 0 0) into 0
7.223 * [taylor]: Taking taylor expansion of 0 in x
7.223 * [backup-simplify]: Simplify 0 into 0
7.223 * [backup-simplify]: Simplify 0 into 0
7.224 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.224 * [backup-simplify]: Simplify 0 into 0
7.225 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
7.225 * [backup-simplify]: Simplify (- 0) into 0
7.225 * [backup-simplify]: Simplify 0 into 0
7.225 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
7.226 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.227 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
7.227 * [backup-simplify]: Simplify (- 0) into 0
7.228 * [backup-simplify]: Simplify (+ 0 0) into 0
7.228 * [taylor]: Taking taylor expansion of 0 in x
7.228 * [backup-simplify]: Simplify 0 into 0
7.228 * [backup-simplify]: Simplify 0 into 0
7.228 * [backup-simplify]: Simplify 0 into 0
7.228 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.228 * [backup-simplify]: Simplify 0 into 0
7.228 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 (- x)) (/ 1 (/ 1 (- y))))) (* 1 (* (/ 1 (/ 1 (- x))) 1))) into (- (+ x (* 1/2 (/ y x))))
7.229 * * * [progress]: simplifying candidates
7.229 * [simplify]: Simplifying:
  (/ (exp (* (/ y x) -1/2)) (exp x))
  (log (- (* (/ y x) -1/2) x))
  (exp (- (* (/ y x) -1/2) x))
  (* (cbrt (- (* (/ y x) -1/2) x)) (cbrt (- (* (/ y x) -1/2) x)))
  (cbrt (- (* (/ y x) -1/2) x))
  (* (* (- (* (/ y x) -1/2) x) (- (* (/ y x) -1/2) x)) (- (* (/ y x) -1/2) x))
  (sqrt (- (* (/ y x) -1/2) x))
  (sqrt (- (* (/ y x) -1/2) x))
  (- (pow (* (/ y x) -1/2) 3) (pow x 3))
  (+ (* (* (/ y x) -1/2) (* (/ y x) -1/2)) (+ (* x x) (* (* (/ y x) -1/2) x)))
  (- x)
  (- (* (* (/ y x) -1/2) (* (/ y x) -1/2)) (* x x))
  (+ (* (/ y x) -1/2) x)
  (- x)
  (- (+ x (* 1/2 (/ y x))))
  (- (+ x (* 1/2 (/ y x))))
  (- (+ x (* 1/2 (/ y x))))
7.229 * * [simplify]: Extracting # 0 : cost  0
7.229 * * [simplify]: Extracting # 1 : cost  0
7.229 * * [simplify]: Extracting # 2 : cost  0
7.229 * * [simplify]: Extracting # 3 : cost  0
7.229 * * [simplify]: Extracting # 4 : cost  0
7.229 * * [simplify]: Extracting # 5 : cost  0
7.230 * * [simplify]: Extracting # 6 : cost  0
7.230 * * [simplify]: Extracting # 7 : cost  0
7.230 * * [simplify]: iteration  0 :  32  enodes  (cost  173 )
7.237 * * [simplify]: Extracting # 0 : cost  0
7.237 * * [simplify]: Extracting # 1 : cost  0
7.237 * * [simplify]: Extracting # 2 : cost  0
7.237 * * [simplify]: Extracting # 3 : cost  0
7.238 * * [simplify]: iteration  1 :  82  enodes  (cost  166 )
7.265 * * [simplify]: Extracting # 0 : cost  0
7.266 * * [simplify]: Extracting # 1 : cost  0
7.266 * * [simplify]: Extracting # 2 : cost  0
7.267 * * [simplify]: Extracting # 3 : cost  0
7.267 * * [simplify]: Extracting # 4 : cost  0
7.267 * * [simplify]: iteration  2 :  227  enodes  (cost  149 )
7.419 * * [simplify]: Extracting # 0 : cost  0
7.421 * * [simplify]: Extracting # 1 : cost  0
7.423 * * [simplify]: Extracting # 2 : cost  0
7.425 * * [simplify]: Extracting # 3 : cost  0
7.426 * * [simplify]: Extracting # 4 : cost  0
7.428 * * [simplify]: Extracting # 5 : cost  0
7.429 * * [simplify]: Extracting # 6 : cost  0
7.430 * * [simplify]: iteration  3 :  841  enodes  (cost  147 )
8.601 * * [simplify]: Extracting # 0 : cost  0
8.610 * * [simplify]: Extracting # 1 : cost  0
8.615 * * [simplify]: Extracting # 2 : cost  0
8.620 * * [simplify]: Extracting # 3 : cost  0
8.626 * * [simplify]: Extracting # 4 : cost  0
8.631 * * [simplify]: iteration  4 :  3605  enodes  (cost  147 )
10.152 * * [simplify]: Extracting # 0 : cost  0
10.160 * * [simplify]: Extracting # 1 : cost  0
10.171 * * [simplify]: Extracting # 2 : cost  0
10.181 * * [simplify]: iteration done:  5000  enodes  (cost  147 )
10.182 * [simplify]: Simplified to:
  (exp (- (* (/ y x) -1/2) x))
  (log (- (* (/ y x) -1/2) x))
  (exp (- (* (/ y x) -1/2) x))
  (* (cbrt (- (* (/ y x) -1/2) x)) (cbrt (- (* (/ y x) -1/2) x)))
  (cbrt (- (* (/ y x) -1/2) x))
  (pow (- (* (/ y x) -1/2) x) 3)
  (sqrt (- (* (/ y x) -1/2) x))
  (sqrt (- (* (/ y x) -1/2) x))
  (- (pow (* (/ y x) -1/2) 3) (pow x 3))
  (+ (* (+ (* (/ y x) -1/2) x) (* (/ y x) -1/2)) (* x x))
  (- x)
  (- (* (* (/ y x) (/ y x)) 1/4) (* x x))
  (+ (* (/ y x) -1/2) x)
  (- x)
  (- (* (/ y x) -1/2) x)
  (- (* (/ y x) -1/2) x)
  (- (* (/ y x) -1/2) x)
10.182 * * * [progress]: adding candidates to table
10.225 * [progress]: [Phase 3 of 3] Extracting.
10.225 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
10.225 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (+ (* x x) y) (sqrt (+ (* x x) y)) y x)
10.226 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
10.252 * * * * [regimes]: Trying to branch on (+ (* x x) y) from (#<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
10.286 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) y)) from (#<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
10.329 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
10.370 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
10.408 * * * [regime]: Found split indices: #<option (#s(si 2 40) #s(si 0 196) #s(si 1 255))>
10.408 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
10.487 * [regimes]: Found splitpoints: (#s(sp 2 x -1.2996772002233855e+154) #s(sp 0 x 7.419817825242465e+111) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)
10.487 * [simplify]: Simplifying:
  (if (<= x -1.2996772002233855e+154) (- (* (/ y x) -1/2) x) (if (<= x 7.419817825242465e+111) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
10.487 * * [simplify]: Extracting # 0 : cost  0
10.487 * * [simplify]: Extracting # 1 : cost  0
10.487 * * [simplify]: Extracting # 2 : cost  0
10.487 * * [simplify]: Extracting # 3 : cost  0
10.487 * * [simplify]: Extracting # 4 : cost  0
10.487 * * [simplify]: Extracting # 5 : cost  0
10.487 * * [simplify]: Extracting # 6 : cost  0
10.487 * * [simplify]: Extracting # 7 : cost  0
10.487 * * [simplify]: iteration  0 :  18  enodes  (cost  28 )
10.488 * * [simplify]: Extracting # 0 : cost  0
10.488 * * [simplify]: iteration  1 :  22  enodes  (cost  28 )
10.489 * * [simplify]: Extracting # 0 : cost  0
10.489 * * [simplify]: iteration done:  22  enodes  (cost  28 )
10.489 * [simplify]: Simplified to:
  (if (<= x -1.2996772002233855e+154) (- (* (/ y x) -1/2) x) (if (<= x 7.419817825242465e+111) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
11.674 * [regime-testing]: Baseline error score: 21.702628069520554
11.680 * [regime-testing]: Oracle error score: 0.0017904648199634156
11.687 * [regime-testing]: End program error score: 0.07042765673656178
11.736 * [regime-testing]: Target error score: 0.40340168429592244