19.632 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying:
  (sqrt (+ (* x x) y))
0.019 * * [simplify]: Extracting # 0 : cost  0
0.019 * * [simplify]: Extracting # 1 : cost  0
0.019 * * [simplify]: Extracting # 2 : cost  0
0.019 * * [simplify]: Extracting # 3 : cost  0
0.019 * * [simplify]: Extracting # 4 : cost  0
0.019 * * [simplify]: Extracting # 5 : cost  0
0.019 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.020 * * [simplify]: Extracting # 0 : cost  0
0.020 * * [simplify]: iteration  1 :  6  enodes  (cost  6 )
0.022 * * [simplify]: Extracting # 0 : cost  0
0.022 * * [simplify]: iteration done:  6  enodes  (cost  6 )
0.022 * [simplify]: Simplified to:
  (sqrt (+ (* x x) y))
0.022 * * [progress]: iteration 1 / 4
0.022 * * * [progress]: picking best candidate
0.025 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) y)))>
0.025 * * * [progress]: localizing error
0.036 * * * [progress]: generating rewritten candidates
0.036 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.056 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.073 * * * [progress]: generating series expansions
0.073 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.074 * [backup-simplify]: Simplify (sqrt (+ (* x x) y)) into (sqrt (+ (pow x 2) y))
0.074 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.074 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.074 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.074 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.074 * [taylor]: Taking taylor expansion of x in y
0.074 * [backup-simplify]: Simplify x into x
0.074 * [taylor]: Taking taylor expansion of y in y
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 1 into 1
0.074 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.074 * [backup-simplify]: Simplify (+ (pow x 2) 0) into (pow x 2)
0.074 * [backup-simplify]: Simplify (sqrt (pow x 2)) into x
0.074 * [backup-simplify]: Simplify (+ (* x 0) (* 0 x)) into 0
0.075 * [backup-simplify]: Simplify (+ 0 1) into 1
0.075 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt (pow x 2)))) into (/ 1/2 x)
0.075 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.075 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.075 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [backup-simplify]: Simplify y into y
0.076 * [backup-simplify]: Simplify (+ 0 y) into y
0.076 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.076 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.076 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.076 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [backup-simplify]: Simplify y into y
0.076 * [backup-simplify]: Simplify (+ 0 y) into y
0.077 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.077 * [backup-simplify]: Simplify (+ 0 0) into 0
0.077 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.077 * [taylor]: Taking taylor expansion of (sqrt 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
0.078 * [backup-simplify]: Simplify (sqrt 0) into 0
0.079 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.080 * [backup-simplify]: Simplify (* 1 1) into 1
0.080 * [backup-simplify]: Simplify (+ 1 0) into 1
0.081 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.081 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.081 * [taylor]: Taking taylor expansion of 1/2 in y
0.081 * [backup-simplify]: Simplify 1/2 into 1/2
0.081 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify (/ 1 1) into 1
0.082 * [backup-simplify]: Simplify (sqrt 0) into 0
0.084 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.085 * [backup-simplify]: Simplify (+ (* 1/2 +nan.0) (* 0 0)) into (- +nan.0)
0.086 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.086 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.089 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.090 * [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))))))
0.090 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 x) (/ 1 x)) (/ 1 y))) into (sqrt (+ (/ 1 (pow x 2)) (/ 1 y)))
0.090 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.090 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.090 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.090 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.090 * [taylor]: Taking taylor expansion of x in y
0.090 * [backup-simplify]: Simplify x into x
0.090 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.090 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) 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
0.091 * [backup-simplify]: Simplify (/ 1 1) into 1
0.091 * [backup-simplify]: Simplify (+ 0 1) into 1
0.092 * [backup-simplify]: Simplify (sqrt 0) into 0
0.093 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.093 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.093 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.093 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.093 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 1 into 1
0.093 * [backup-simplify]: Simplify (* 1 1) into 1
0.094 * [backup-simplify]: Simplify (/ 1 1) into 1
0.094 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.094 * [taylor]: Taking taylor expansion of y in x
0.094 * [backup-simplify]: Simplify y into y
0.094 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.094 * [backup-simplify]: Simplify (+ 1 0) into 1
0.095 * [backup-simplify]: Simplify (sqrt 1) into 1
0.096 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.096 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.097 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.097 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.097 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) 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
0.098 * [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 y) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.099 * [backup-simplify]: Simplify y into y
0.099 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.099 * [backup-simplify]: Simplify (+ 1 0) into 1
0.099 * [backup-simplify]: Simplify (sqrt 1) into 1
0.100 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.102 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.102 * [taylor]: Taking taylor expansion of 1 in y
0.102 * [backup-simplify]: Simplify 1 into 1
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.104 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.104 * [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
0.124 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.124 * [backup-simplify]: Simplify (+ 0 0) into 0
0.126 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 y))))) (* 2 1)) into 0
0.126 * [taylor]: Taking taylor expansion of 0 in y
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.128 * [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
0.129 * [backup-simplify]: Simplify (+ 0 0) into 0
0.129 * [backup-simplify]: Simplify (/ (- 0 (pow (/ 1/2 y) 2) (+ (* 2 (* 0 0)))) (* 2 1)) into (/ -1/8 (pow y 2))
0.129 * [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
0.130 * [backup-simplify]: Simplify (/ -1/8 1) into -1/8
0.131 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.131 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/8 (/ 0 1)))) into 0
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
0.131 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y)))) into (sqrt (- (/ 1 (pow x 2)) (/ 1 y)))
0.132 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.132 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.132 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.132 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.132 * [taylor]: Taking taylor expansion of x in y
0.132 * [backup-simplify]: Simplify x into x
0.132 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.132 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.132 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.132 * [taylor]: Taking taylor expansion of y in y
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 1 into 1
0.132 * [backup-simplify]: Simplify (/ 1 1) into 1
0.132 * [backup-simplify]: Simplify (- 1) into -1
0.133 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.133 * [backup-simplify]: Simplify (sqrt 0) into 0
0.134 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.134 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.134 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.134 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.134 * [taylor]: Taking taylor expansion of x in x
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 1) into 1
0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [backup-simplify]: Simplify y into y
0.135 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.135 * [backup-simplify]: Simplify (+ 1 0) into 1
0.135 * [backup-simplify]: Simplify (sqrt 1) into 1
0.136 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.136 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.137 * [backup-simplify]: Simplify (+ 0 0) into 0
0.137 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.137 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.137 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (* 1 1) into 1
0.138 * [backup-simplify]: Simplify (/ 1 1) into 1
0.138 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [backup-simplify]: Simplify y into y
0.138 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.138 * [backup-simplify]: Simplify (+ 1 0) into 1
0.138 * [backup-simplify]: Simplify (sqrt 1) into 1
0.139 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.139 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.140 * [taylor]: Taking taylor expansion of 1 in y
0.140 * [backup-simplify]: Simplify 1 into 1
0.140 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify 1 into 1
0.141 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.141 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.142 * [backup-simplify]: Simplify (/ (- (- (/ 1 y)) (pow 0 2) (+)) (* 2 1)) into (/ -1/2 y)
0.142 * [taylor]: Taking taylor expansion of (/ -1/2 y) in y
0.142 * [taylor]: Taking taylor expansion of -1/2 in y
0.142 * [backup-simplify]: Simplify -1/2 into -1/2
0.142 * [taylor]: Taking taylor expansion of y in y
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 1 into 1
0.143 * [backup-simplify]: Simplify (/ -1/2 1) into -1/2
0.143 * [backup-simplify]: Simplify -1/2 into -1/2
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.144 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [backup-simplify]: Simplify (+ 0 0) into 0
0.145 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ -1/2 y))))) (* 2 1)) into 0
0.145 * [taylor]: Taking taylor expansion of 0 in y
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/2 (/ 0 1)))) into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.147 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.147 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.147 * [backup-simplify]: Simplify (- 0) into 0
0.147 * [backup-simplify]: Simplify (+ 0 0) into 0
0.148 * [backup-simplify]: Simplify (/ (- 0 (pow (/ -1/2 y) 2) (+ (* 2 (* 0 0)))) (* 2 1)) into (/ -1/8 (pow y 2))
0.148 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.148 * [taylor]: Taking taylor expansion of -1/8 in y
0.148 * [backup-simplify]: Simplify -1/8 into -1/8
0.148 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.148 * [taylor]: Taking taylor expansion of y in y
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 1 into 1
0.149 * [backup-simplify]: Simplify (* 1 1) into 1
0.149 * [backup-simplify]: Simplify (/ -1/8 1) into -1/8
0.149 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.150 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/8 (/ 0 1)))) into 0
0.150 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))) (* 1 (* 1 (/ 1 (/ 1 (- x)))))) into (- (+ x (* 1/2 (/ y x))))
0.150 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.150 * [backup-simplify]: Simplify (+ (* x x) y) into (+ (pow x 2) y)
0.150 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.150 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.150 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.150 * [taylor]: Taking taylor expansion of x in y
0.150 * [backup-simplify]: Simplify x into x
0.150 * [taylor]: Taking taylor expansion of y in y
0.150 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify 1 into 1
0.150 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) 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 * [taylor]: Taking taylor expansion of y in x
0.150 * [backup-simplify]: Simplify y into y
0.150 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.150 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 1 into 1
0.151 * [taylor]: Taking taylor expansion of y in x
0.151 * [backup-simplify]: Simplify y into y
0.151 * [backup-simplify]: Simplify (+ 0 y) into y
0.151 * [taylor]: Taking taylor expansion of y in y
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 1 into 1
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify (+ 0 0) into 0
0.151 * [taylor]: Taking taylor expansion of 0 in y
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 1 into 1
0.151 * [backup-simplify]: Simplify (* 1 1) into 1
0.152 * [backup-simplify]: Simplify (+ 1 0) into 1
0.152 * [taylor]: Taking taylor expansion of 1 in y
0.152 * [backup-simplify]: Simplify 1 into 1
0.152 * [backup-simplify]: Simplify 1 into 1
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.153 * [backup-simplify]: Simplify (+ 0 0) into 0
0.153 * [taylor]: Taking taylor expansion of 0 in y
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 x) 2)) (* 1 (* y 1))) into (+ (pow x 2) y)
0.154 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 x)) (/ 1 y)) into (+ (/ 1 (pow x 2)) (/ 1 y))
0.154 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.154 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.154 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.154 * [taylor]: Taking taylor expansion of x in y
0.154 * [backup-simplify]: Simplify x into x
0.154 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.154 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.154 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.154 * [taylor]: Taking taylor expansion of y in y
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 1 into 1
0.155 * [backup-simplify]: Simplify (/ 1 1) into 1
0.155 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.155 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.155 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify 1 into 1
0.155 * [backup-simplify]: Simplify (* 1 1) into 1
0.156 * [backup-simplify]: Simplify (/ 1 1) into 1
0.156 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.156 * [taylor]: Taking taylor expansion of y in x
0.156 * [backup-simplify]: Simplify y into y
0.156 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.156 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.156 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.156 * [taylor]: Taking taylor expansion of x in x
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify 1 into 1
0.156 * [backup-simplify]: Simplify (* 1 1) into 1
0.157 * [backup-simplify]: Simplify (/ 1 1) into 1
0.157 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.157 * [taylor]: Taking taylor expansion of y in x
0.157 * [backup-simplify]: Simplify y into y
0.157 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.157 * [backup-simplify]: Simplify (+ 1 0) into 1
0.157 * [taylor]: Taking taylor expansion of 1 in y
0.158 * [backup-simplify]: Simplify 1 into 1
0.158 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.159 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) 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 1 into 1
0.160 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.161 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.161 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.161 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.161 * [taylor]: Taking taylor expansion of y in y
0.161 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify 1 into 1
0.162 * [backup-simplify]: Simplify (/ 1 1) into 1
0.162 * [backup-simplify]: Simplify 1 into 1
0.162 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify 0 into 0
0.163 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.164 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.164 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.165 * [backup-simplify]: Simplify (+ 0 0) into 0
0.165 * [taylor]: Taking taylor expansion of 0 in y
0.165 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.168 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.168 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.169 * [backup-simplify]: Simplify (+ 0 0) into 0
0.169 * [taylor]: Taking taylor expansion of 0 in y
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (/ 1 y)) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2))) into (+ (pow x 2) y)
0.169 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y))) into (- (/ 1 (pow x 2)) (/ 1 y))
0.169 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.169 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.170 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.170 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.170 * [taylor]: Taking taylor expansion of x in y
0.170 * [backup-simplify]: Simplify x into x
0.170 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.170 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.170 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.170 * [taylor]: Taking taylor expansion of y in y
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify 1 into 1
0.170 * [backup-simplify]: Simplify (/ 1 1) into 1
0.170 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.171 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.171 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 1 into 1
0.171 * [backup-simplify]: Simplify (* 1 1) into 1
0.171 * [backup-simplify]: Simplify (/ 1 1) into 1
0.171 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.171 * [taylor]: Taking taylor expansion of y in x
0.172 * [backup-simplify]: Simplify y into y
0.172 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.172 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.172 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.172 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify 1 into 1
0.172 * [backup-simplify]: Simplify (* 1 1) into 1
0.173 * [backup-simplify]: Simplify (/ 1 1) into 1
0.173 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.173 * [taylor]: Taking taylor expansion of y in x
0.173 * [backup-simplify]: Simplify y into y
0.173 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.173 * [backup-simplify]: Simplify (+ 1 0) into 1
0.173 * [taylor]: Taking taylor expansion of 1 in y
0.173 * [backup-simplify]: Simplify 1 into 1
0.174 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.175 * [backup-simplify]: Simplify (+ 0 0) into 0
0.175 * [taylor]: Taking taylor expansion of 0 in y
0.175 * [backup-simplify]: Simplify 0 into 0
0.175 * [backup-simplify]: Simplify 1 into 1
0.176 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.177 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.178 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.178 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.178 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.178 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.178 * [taylor]: Taking taylor expansion of y in y
0.178 * [backup-simplify]: Simplify 0 into 0
0.178 * [backup-simplify]: Simplify 1 into 1
0.178 * [backup-simplify]: Simplify (/ 1 1) into 1
0.179 * [backup-simplify]: Simplify (- 1) into -1
0.179 * [backup-simplify]: Simplify -1 into -1
0.179 * [backup-simplify]: Simplify 0 into 0
0.179 * [backup-simplify]: Simplify 0 into 0
0.180 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.181 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.181 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.181 * [backup-simplify]: Simplify (- 0) into 0
0.182 * [backup-simplify]: Simplify (+ 0 0) into 0
0.182 * [taylor]: Taking taylor expansion of 0 in y
0.182 * [backup-simplify]: Simplify 0 into 0
0.183 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.183 * [backup-simplify]: Simplify (- 0) into 0
0.183 * [backup-simplify]: Simplify 0 into 0
0.183 * [backup-simplify]: Simplify 0 into 0
0.183 * [backup-simplify]: Simplify 0 into 0
0.185 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.186 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.186 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.186 * [backup-simplify]: Simplify (- 0) into 0
0.187 * [backup-simplify]: Simplify (+ 0 0) into 0
0.187 * [taylor]: Taking taylor expansion of 0 in y
0.187 * [backup-simplify]: Simplify 0 into 0
0.187 * [backup-simplify]: Simplify 0 into 0
0.187 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2))) into (+ (pow x 2) y)
0.188 * * * [progress]: simplifying candidates
0.189 * [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)
0.190 * * [simplify]: Extracting # 0 : cost  0
0.190 * * [simplify]: Extracting # 1 : cost  0
0.190 * * [simplify]: Extracting # 2 : cost  0
0.190 * * [simplify]: Extracting # 3 : cost  0
0.191 * * [simplify]: Extracting # 4 : cost  0
0.191 * * [simplify]: Extracting # 5 : cost  0
0.191 * * [simplify]: Extracting # 6 : cost  0
0.191 * * [simplify]: Extracting # 7 : cost  0
0.191 * * [simplify]: Extracting # 8 : cost  0
0.191 * * [simplify]: Extracting # 9 : cost  0
0.191 * * [simplify]: Extracting # 10 : cost  0
0.192 * * [simplify]: iteration  0 :  59  enodes  (cost  319 )
0.218 * * [simplify]: Extracting # 0 : cost  0
0.218 * * [simplify]: Extracting # 1 : cost  0
0.219 * * [simplify]: Extracting # 2 : cost  0
0.219 * * [simplify]: Extracting # 3 : cost  0
0.219 * * [simplify]: Extracting # 4 : cost  0
0.219 * * [simplify]: iteration  1 :  140  enodes  (cost  294 )
0.313 * * [simplify]: Extracting # 0 : cost  0
0.314 * * [simplify]: Extracting # 1 : cost  0
0.314 * * [simplify]: Extracting # 2 : cost  0
0.315 * * [simplify]: Extracting # 3 : cost  0
0.316 * * [simplify]: Extracting # 4 : cost  0
0.316 * * [simplify]: iteration  2 :  347  enodes  (cost  258 )
0.536 * * [simplify]: Extracting # 0 : cost  0
0.537 * * [simplify]: Extracting # 1 : cost  0
0.539 * * [simplify]: Extracting # 2 : cost  0
0.540 * * [simplify]: Extracting # 3 : cost  0
0.541 * * [simplify]: Extracting # 4 : cost  0
0.543 * * [simplify]: iteration  3 :  826  enodes  (cost  255 )
1.087 * * [simplify]: Extracting # 0 : cost  0
1.089 * * [simplify]: Extracting # 1 : cost  0
1.091 * * [simplify]: Extracting # 2 : cost  0
1.093 * * [simplify]: Extracting # 3 : cost  0
1.094 * * [simplify]: Extracting # 4 : cost  0
1.098 * * [simplify]: iteration  4 :  2004  enodes  (cost  254 )
2.786 * * [simplify]: Extracting # 0 : cost  0
2.799 * * [simplify]: Extracting # 1 : cost  0
2.802 * * [simplify]: Extracting # 2 : cost  0
2.805 * * [simplify]: Extracting # 3 : cost  0
2.808 * * [simplify]: Extracting # 4 : cost  0
2.811 * * [simplify]: Extracting # 5 : cost  0
2.813 * * [simplify]: iteration  5 :  4212  enodes  (cost  254 )
4.436 * * [simplify]: Extracting # 0 : cost  0
4.439 * * [simplify]: Extracting # 1 : cost  0
4.444 * * [simplify]: Extracting # 2 : cost  0
4.455 * * [simplify]: Extracting # 3 : cost  0
4.459 * * [simplify]: Extracting # 4 : cost  0
4.463 * * [simplify]: iteration done:  5000  enodes  (cost  254 )
4.463 * [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))
4.463 * * * [progress]: adding candidates to table
4.548 * * [progress]: iteration 2 / 4
4.548 * * * [progress]: picking best candidate
4.550 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (* 1/2 (/ y x))))>
4.551 * * * [progress]: localizing error
4.557 * * * [progress]: generating rewritten candidates
4.557 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.570 * * * [progress]: generating series expansions
4.570 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.570 * [backup-simplify]: Simplify (+ x (* 1/2 (/ y x))) into (+ x (* 1/2 (/ y x)))
4.570 * [approximate]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in (x y) around 0
4.570 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
4.570 * [taylor]: Taking taylor expansion of x in y
4.570 * [backup-simplify]: Simplify x into x
4.570 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
4.570 * [taylor]: Taking taylor expansion of 1/2 in y
4.570 * [backup-simplify]: Simplify 1/2 into 1/2
4.570 * [taylor]: Taking taylor expansion of (/ y x) in y
4.570 * [taylor]: Taking taylor expansion of y in y
4.570 * [backup-simplify]: Simplify 0 into 0
4.570 * [backup-simplify]: Simplify 1 into 1
4.570 * [taylor]: Taking taylor expansion of x in y
4.570 * [backup-simplify]: Simplify x into x
4.570 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.571 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
4.571 * [taylor]: Taking taylor expansion of x in x
4.571 * [backup-simplify]: Simplify 0 into 0
4.571 * [backup-simplify]: Simplify 1 into 1
4.571 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
4.571 * [taylor]: Taking taylor expansion of 1/2 in x
4.571 * [backup-simplify]: Simplify 1/2 into 1/2
4.571 * [taylor]: Taking taylor expansion of (/ y x) in x
4.571 * [taylor]: Taking taylor expansion of y in x
4.571 * [backup-simplify]: Simplify y into y
4.571 * [taylor]: Taking taylor expansion of x in x
4.571 * [backup-simplify]: Simplify 0 into 0
4.571 * [backup-simplify]: Simplify 1 into 1
4.571 * [backup-simplify]: Simplify (/ y 1) into y
4.571 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
4.571 * [taylor]: Taking taylor expansion of x in x
4.571 * [backup-simplify]: Simplify 0 into 0
4.571 * [backup-simplify]: Simplify 1 into 1
4.571 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
4.571 * [taylor]: Taking taylor expansion of 1/2 in x
4.571 * [backup-simplify]: Simplify 1/2 into 1/2
4.571 * [taylor]: Taking taylor expansion of (/ y x) in x
4.571 * [taylor]: Taking taylor expansion of y in x
4.571 * [backup-simplify]: Simplify y into y
4.571 * [taylor]: Taking taylor expansion of x in x
4.571 * [backup-simplify]: Simplify 0 into 0
4.571 * [backup-simplify]: Simplify 1 into 1
4.571 * [backup-simplify]: Simplify (/ y 1) into y
4.571 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
4.572 * [backup-simplify]: Simplify (+ 0 (* 1/2 y)) into (* 1/2 y)
4.572 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
4.572 * [taylor]: Taking taylor expansion of 1/2 in y
4.572 * [backup-simplify]: Simplify 1/2 into 1/2
4.572 * [taylor]: Taking taylor expansion of y in y
4.572 * [backup-simplify]: Simplify 0 into 0
4.572 * [backup-simplify]: Simplify 1 into 1
4.572 * [backup-simplify]: Simplify (* 1/2 0) into 0
4.572 * [backup-simplify]: Simplify 0 into 0
4.573 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0
4.574 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 y)) into 0
4.574 * [backup-simplify]: Simplify (+ 0 0) into 0
4.574 * [taylor]: Taking taylor expansion of 0 in y
4.574 * [backup-simplify]: Simplify 0 into 0
4.574 * [backup-simplify]: Simplify 0 into 0
4.575 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
4.575 * [backup-simplify]: Simplify 1/2 into 1/2
4.577 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.578 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 y))) into 0
4.578 * [backup-simplify]: Simplify (+ 1 0) into 1
4.578 * [taylor]: Taking taylor expansion of 1 in y
4.578 * [backup-simplify]: Simplify 1 into 1
4.578 * [backup-simplify]: Simplify 1 into 1
4.578 * [backup-simplify]: Simplify 0 into 0
4.579 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
4.579 * [backup-simplify]: Simplify 0 into 0
4.581 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.582 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
4.583 * [backup-simplify]: Simplify (+ 0 0) into 0
4.583 * [taylor]: Taking taylor expansion of 0 in y
4.583 * [backup-simplify]: Simplify 0 into 0
4.583 * [backup-simplify]: Simplify 0 into 0
4.583 * [backup-simplify]: Simplify 0 into 0
4.583 * [backup-simplify]: Simplify 0 into 0
4.584 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
4.584 * [backup-simplify]: Simplify 0 into 0
4.584 * [backup-simplify]: Simplify (+ (* 1 (* 1 x)) (* 1/2 (* y (/ 1 x)))) into (+ x (* 1/2 (/ y x)))
4.585 * [backup-simplify]: Simplify (+ (/ 1 x) (* 1/2 (/ (/ 1 y) (/ 1 x)))) into (+ (* 1/2 (/ x y)) (/ 1 x))
4.585 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
4.585 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
4.585 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.585 * [taylor]: Taking taylor expansion of 1/2 in y
4.585 * [backup-simplify]: Simplify 1/2 into 1/2
4.585 * [taylor]: Taking taylor expansion of (/ x y) in y
4.585 * [taylor]: Taking taylor expansion of x in y
4.585 * [backup-simplify]: Simplify x into x
4.585 * [taylor]: Taking taylor expansion of y in y
4.585 * [backup-simplify]: Simplify 0 into 0
4.585 * [backup-simplify]: Simplify 1 into 1
4.585 * [backup-simplify]: Simplify (/ x 1) into x
4.585 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.585 * [taylor]: Taking taylor expansion of x in y
4.585 * [backup-simplify]: Simplify x into x
4.585 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.585 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
4.585 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.585 * [taylor]: Taking taylor expansion of 1/2 in x
4.585 * [backup-simplify]: Simplify 1/2 into 1/2
4.585 * [taylor]: Taking taylor expansion of (/ x y) in x
4.585 * [taylor]: Taking taylor expansion of x in x
4.585 * [backup-simplify]: Simplify 0 into 0
4.585 * [backup-simplify]: Simplify 1 into 1
4.585 * [taylor]: Taking taylor expansion of y in x
4.585 * [backup-simplify]: Simplify y into y
4.585 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.586 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.586 * [taylor]: Taking taylor expansion of x in x
4.586 * [backup-simplify]: Simplify 0 into 0
4.586 * [backup-simplify]: Simplify 1 into 1
4.586 * [backup-simplify]: Simplify (/ 1 1) into 1
4.586 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
4.586 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.586 * [taylor]: Taking taylor expansion of 1/2 in x
4.586 * [backup-simplify]: Simplify 1/2 into 1/2
4.586 * [taylor]: Taking taylor expansion of (/ x y) in x
4.586 * [taylor]: Taking taylor expansion of x in x
4.586 * [backup-simplify]: Simplify 0 into 0
4.586 * [backup-simplify]: Simplify 1 into 1
4.586 * [taylor]: Taking taylor expansion of y in x
4.586 * [backup-simplify]: Simplify y into y
4.586 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.586 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.586 * [taylor]: Taking taylor expansion of x in x
4.586 * [backup-simplify]: Simplify 0 into 0
4.587 * [backup-simplify]: Simplify 1 into 1
4.587 * [backup-simplify]: Simplify (/ 1 1) into 1
4.587 * [backup-simplify]: Simplify (+ 0 1) into 1
4.587 * [taylor]: Taking taylor expansion of 1 in y
4.587 * [backup-simplify]: Simplify 1 into 1
4.588 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.589 * [backup-simplify]: Simplify (+ 0 0) into 0
4.589 * [taylor]: Taking taylor expansion of 0 in y
4.589 * [backup-simplify]: Simplify 0 into 0
4.589 * [backup-simplify]: Simplify 1 into 1
4.589 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
4.590 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.590 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
4.590 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
4.590 * [taylor]: Taking taylor expansion of 1/2 in y
4.590 * [backup-simplify]: Simplify 1/2 into 1/2
4.590 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.590 * [taylor]: Taking taylor expansion of y in y
4.590 * [backup-simplify]: Simplify 0 into 0
4.590 * [backup-simplify]: Simplify 1 into 1
4.591 * [backup-simplify]: Simplify (/ 1 1) into 1
4.591 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
4.591 * [backup-simplify]: Simplify 1/2 into 1/2
4.591 * [backup-simplify]: Simplify 0 into 0
4.591 * [backup-simplify]: Simplify 0 into 0
4.591 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
4.592 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
4.593 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.593 * [backup-simplify]: Simplify (+ 0 0) into 0
4.593 * [taylor]: Taking taylor expansion of 0 in y
4.593 * [backup-simplify]: Simplify 0 into 0
4.594 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.595 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
4.595 * [backup-simplify]: Simplify 0 into 0
4.595 * [backup-simplify]: Simplify 0 into 0
4.595 * [backup-simplify]: Simplify 0 into 0
4.595 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.596 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.597 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.597 * [backup-simplify]: Simplify (+ 0 0) into 0
4.597 * [taylor]: Taking taylor expansion of 0 in y
4.598 * [backup-simplify]: Simplify 0 into 0
4.598 * [backup-simplify]: Simplify 0 into 0
4.598 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
4.598 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (* 1/2 (/ (/ 1 (- y)) (/ 1 (- x))))) into (- (* 1/2 (/ x y)) (/ 1 x))
4.598 * [approximate]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
4.598 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in y
4.598 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.598 * [taylor]: Taking taylor expansion of 1/2 in y
4.598 * [backup-simplify]: Simplify 1/2 into 1/2
4.598 * [taylor]: Taking taylor expansion of (/ x y) in y
4.598 * [taylor]: Taking taylor expansion of x in y
4.598 * [backup-simplify]: Simplify x into x
4.598 * [taylor]: Taking taylor expansion of y in y
4.599 * [backup-simplify]: Simplify 0 into 0
4.599 * [backup-simplify]: Simplify 1 into 1
4.599 * [backup-simplify]: Simplify (/ x 1) into x
4.599 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.599 * [taylor]: Taking taylor expansion of x in y
4.599 * [backup-simplify]: Simplify x into x
4.599 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.599 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
4.599 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.599 * [taylor]: Taking taylor expansion of 1/2 in x
4.599 * [backup-simplify]: Simplify 1/2 into 1/2
4.599 * [taylor]: Taking taylor expansion of (/ x y) in x
4.599 * [taylor]: Taking taylor expansion of x in x
4.599 * [backup-simplify]: Simplify 0 into 0
4.599 * [backup-simplify]: Simplify 1 into 1
4.599 * [taylor]: Taking taylor expansion of y in x
4.599 * [backup-simplify]: Simplify y into y
4.599 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.599 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.599 * [taylor]: Taking taylor expansion of x in x
4.599 * [backup-simplify]: Simplify 0 into 0
4.599 * [backup-simplify]: Simplify 1 into 1
4.600 * [backup-simplify]: Simplify (/ 1 1) into 1
4.600 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
4.600 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.600 * [taylor]: Taking taylor expansion of 1/2 in x
4.600 * [backup-simplify]: Simplify 1/2 into 1/2
4.600 * [taylor]: Taking taylor expansion of (/ x y) in x
4.600 * [taylor]: Taking taylor expansion of x in x
4.600 * [backup-simplify]: Simplify 0 into 0
4.600 * [backup-simplify]: Simplify 1 into 1
4.600 * [taylor]: Taking taylor expansion of y in x
4.600 * [backup-simplify]: Simplify y into y
4.600 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.600 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.600 * [taylor]: Taking taylor expansion of x in x
4.600 * [backup-simplify]: Simplify 0 into 0
4.600 * [backup-simplify]: Simplify 1 into 1
4.601 * [backup-simplify]: Simplify (/ 1 1) into 1
4.610 * [backup-simplify]: Simplify (- 1) into -1
4.610 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.611 * [taylor]: Taking taylor expansion of -1 in y
4.611 * [backup-simplify]: Simplify -1 into -1
4.612 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.612 * [backup-simplify]: Simplify (- 0) into 0
4.613 * [backup-simplify]: Simplify (+ 0 0) into 0
4.613 * [taylor]: Taking taylor expansion of 0 in y
4.613 * [backup-simplify]: Simplify 0 into 0
4.613 * [backup-simplify]: Simplify -1 into -1
4.613 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
4.614 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.614 * [backup-simplify]: Simplify (- 0) into 0
4.614 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
4.614 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
4.614 * [taylor]: Taking taylor expansion of 1/2 in y
4.614 * [backup-simplify]: Simplify 1/2 into 1/2
4.614 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.615 * [taylor]: Taking taylor expansion of y in y
4.615 * [backup-simplify]: Simplify 0 into 0
4.615 * [backup-simplify]: Simplify 1 into 1
4.615 * [backup-simplify]: Simplify (/ 1 1) into 1
4.615 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
4.616 * [backup-simplify]: Simplify 1/2 into 1/2
4.616 * [backup-simplify]: Simplify 0 into 0
4.616 * [backup-simplify]: Simplify 0 into 0
4.616 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
4.616 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
4.617 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.618 * [backup-simplify]: Simplify (- 0) into 0
4.618 * [backup-simplify]: Simplify (+ 0 0) into 0
4.618 * [taylor]: Taking taylor expansion of 0 in y
4.618 * [backup-simplify]: Simplify 0 into 0
4.619 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.620 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
4.620 * [backup-simplify]: Simplify 0 into 0
4.620 * [backup-simplify]: Simplify 0 into 0
4.620 * [backup-simplify]: Simplify 0 into 0
4.620 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.621 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
4.622 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.623 * [backup-simplify]: Simplify (- 0) into 0
4.623 * [backup-simplify]: Simplify (+ 0 0) into 0
4.623 * [taylor]: Taking taylor expansion of 0 in y
4.623 * [backup-simplify]: Simplify 0 into 0
4.623 * [backup-simplify]: Simplify 0 into 0
4.623 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))) (* -1 (* 1 (/ 1 (/ 1 (- x)))))) into (+ x (* 1/2 (/ y x)))
4.624 * * * [progress]: simplifying candidates
4.624 * [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)))
4.625 * * [simplify]: Extracting # 0 : cost  0
4.625 * * [simplify]: Extracting # 1 : cost  0
4.625 * * [simplify]: Extracting # 2 : cost  0
4.625 * * [simplify]: Extracting # 3 : cost  0
4.625 * * [simplify]: Extracting # 4 : cost  0
4.625 * * [simplify]: Extracting # 5 : cost  0
4.625 * * [simplify]: Extracting # 6 : cost  0
4.626 * * [simplify]: iteration  0 :  27  enodes  (cost  166 )
4.639 * * [simplify]: Extracting # 0 : cost  0
4.639 * * [simplify]: Extracting # 1 : cost  0
4.639 * * [simplify]: Extracting # 2 : cost  0
4.639 * * [simplify]: Extracting # 3 : cost  0
4.640 * * [simplify]: iteration  1 :  86  enodes  (cost  157 )
4.687 * * [simplify]: Extracting # 0 : cost  0
4.687 * * [simplify]: Extracting # 1 : cost  0
4.688 * * [simplify]: Extracting # 2 : cost  0
4.689 * * [simplify]: Extracting # 3 : cost  0
4.689 * * [simplify]: Extracting # 4 : cost  0
4.690 * * [simplify]: Extracting # 5 : cost  0
4.691 * * [simplify]: iteration  2 :  294  enodes  (cost  143 )
4.869 * * [simplify]: Extracting # 0 : cost  0
4.871 * * [simplify]: Extracting # 1 : cost  0
4.873 * * [simplify]: Extracting # 2 : cost  0
4.875 * * [simplify]: Extracting # 3 : cost  0
4.876 * * [simplify]: Extracting # 4 : cost  0
4.878 * * [simplify]: iteration  3 :  964  enodes  (cost  143 )
6.388 * * [simplify]: Extracting # 0 : cost  0
6.392 * * [simplify]: Extracting # 1 : cost  0
6.395 * * [simplify]: Extracting # 2 : cost  0
6.398 * * [simplify]: Extracting # 3 : cost  0
6.401 * * [simplify]: Extracting # 4 : cost  0
6.404 * * [simplify]: iteration  4 :  3062  enodes  (cost  143 )
8.071 * * [simplify]: Extracting # 0 : cost  0
8.081 * * [simplify]: Extracting # 1 : cost  0
8.090 * * [simplify]: Extracting # 2 : cost  0
8.096 * * [simplify]: Extracting # 3 : cost  0
8.100 * * [simplify]: Extracting # 4 : cost  0
8.109 * * [simplify]: iteration done:  5000  enodes  (cost  143 )
8.109 * [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)))
8.109 * * * [progress]: adding candidates to table
8.130 * * [progress]: iteration 3 / 4
8.130 * * * [progress]: picking best candidate
8.131 * * * * [pick]: Picked  #<alt (λ (x y) (- (* (/ y x) -1/2) x))>
8.131 * * * [progress]: localizing error
8.137 * * * [progress]: generating rewritten candidates
8.137 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
8.149 * * * [progress]: generating series expansions
8.149 * * * * [progress]: [ 1 / 1 ] generating series at (2)
8.149 * [backup-simplify]: Simplify (- (* (/ y x) -1/2) x) into (- (+ x (* 1/2 (/ y x))))
8.149 * [approximate]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in (y x) around 0
8.149 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in x
8.149 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
8.149 * [taylor]: Taking taylor expansion of x in x
8.149 * [backup-simplify]: Simplify 0 into 0
8.149 * [backup-simplify]: Simplify 1 into 1
8.149 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
8.149 * [taylor]: Taking taylor expansion of 1/2 in x
8.149 * [backup-simplify]: Simplify 1/2 into 1/2
8.149 * [taylor]: Taking taylor expansion of (/ y x) in x
8.149 * [taylor]: Taking taylor expansion of y in x
8.149 * [backup-simplify]: Simplify y into y
8.149 * [taylor]: Taking taylor expansion of x in x
8.149 * [backup-simplify]: Simplify 0 into 0
8.149 * [backup-simplify]: Simplify 1 into 1
8.150 * [backup-simplify]: Simplify (/ y 1) into y
8.150 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
8.150 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
8.150 * [taylor]: Taking taylor expansion of x in y
8.150 * [backup-simplify]: Simplify x into x
8.150 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
8.150 * [taylor]: Taking taylor expansion of 1/2 in y
8.150 * [backup-simplify]: Simplify 1/2 into 1/2
8.150 * [taylor]: Taking taylor expansion of (/ y x) in y
8.150 * [taylor]: Taking taylor expansion of y in y
8.150 * [backup-simplify]: Simplify 0 into 0
8.150 * [backup-simplify]: Simplify 1 into 1
8.150 * [taylor]: Taking taylor expansion of x in y
8.150 * [backup-simplify]: Simplify x into x
8.150 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
8.150 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
8.150 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
8.150 * [taylor]: Taking taylor expansion of x in y
8.150 * [backup-simplify]: Simplify x into x
8.150 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
8.150 * [taylor]: Taking taylor expansion of 1/2 in y
8.150 * [backup-simplify]: Simplify 1/2 into 1/2
8.150 * [taylor]: Taking taylor expansion of (/ y x) in y
8.150 * [taylor]: Taking taylor expansion of y in y
8.150 * [backup-simplify]: Simplify 0 into 0
8.150 * [backup-simplify]: Simplify 1 into 1
8.150 * [taylor]: Taking taylor expansion of x in y
8.150 * [backup-simplify]: Simplify x into x
8.150 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
8.150 * [backup-simplify]: Simplify (+ x 0) into x
8.150 * [backup-simplify]: Simplify (- x) into (- x)
8.150 * [taylor]: Taking taylor expansion of (- x) in x
8.150 * [taylor]: Taking taylor expansion of x in x
8.150 * [backup-simplify]: Simplify 0 into 0
8.150 * [backup-simplify]: Simplify 1 into 1
8.150 * [backup-simplify]: Simplify (* 1/2 (/ 1 x)) into (/ 1/2 x)
8.150 * [backup-simplify]: Simplify (+ 0 (/ 1/2 x)) into (* 1/2 (/ 1 x))
8.150 * [backup-simplify]: Simplify (- (* 1/2 (/ 1 x))) into (- (* 1/2 (/ 1 x)))
8.150 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ 1 x))) in x
8.150 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
8.150 * [taylor]: Taking taylor expansion of 1/2 in x
8.151 * [backup-simplify]: Simplify 1/2 into 1/2
8.151 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.151 * [taylor]: Taking taylor expansion of x in x
8.151 * [backup-simplify]: Simplify 0 into 0
8.151 * [backup-simplify]: Simplify 1 into 1
8.151 * [backup-simplify]: Simplify (/ 1 1) into 1
8.151 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
8.152 * [backup-simplify]: Simplify (- 1/2) into -1/2
8.152 * [backup-simplify]: Simplify -1/2 into -1/2
8.152 * [backup-simplify]: Simplify (- 0) into 0
8.152 * [backup-simplify]: Simplify 0 into 0
8.152 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)))) into 0
8.152 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 x))) into 0
8.153 * [backup-simplify]: Simplify (+ 0 0) into 0
8.153 * [backup-simplify]: Simplify (- 0) into 0
8.153 * [taylor]: Taking taylor expansion of 0 in x
8.153 * [backup-simplify]: Simplify 0 into 0
8.153 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.154 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
8.154 * [backup-simplify]: Simplify (- 0) into 0
8.154 * [backup-simplify]: Simplify 0 into 0
8.154 * [backup-simplify]: Simplify (- 1) into -1
8.154 * [backup-simplify]: Simplify -1 into -1
8.154 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
8.155 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 x)))) into 0
8.155 * [backup-simplify]: Simplify (+ 0 0) into 0
8.155 * [backup-simplify]: Simplify (- 0) into 0
8.155 * [taylor]: Taking taylor expansion of 0 in x
8.155 * [backup-simplify]: Simplify 0 into 0
8.155 * [backup-simplify]: Simplify 0 into 0
8.156 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.157 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
8.157 * [backup-simplify]: Simplify (- 0) into 0
8.157 * [backup-simplify]: Simplify 0 into 0
8.157 * [backup-simplify]: Simplify (- 0) into 0
8.157 * [backup-simplify]: Simplify 0 into 0
8.157 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
8.158 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 x))))) into 0
8.158 * [backup-simplify]: Simplify (+ 0 0) into 0
8.158 * [backup-simplify]: Simplify (- 0) into 0
8.158 * [taylor]: Taking taylor expansion of 0 in x
8.159 * [backup-simplify]: Simplify 0 into 0
8.159 * [backup-simplify]: Simplify 0 into 0
8.159 * [backup-simplify]: Simplify 0 into 0
8.159 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.160 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.160 * [backup-simplify]: Simplify (- 0) into 0
8.160 * [backup-simplify]: Simplify 0 into 0
8.160 * [backup-simplify]: Simplify (+ (* -1 (* x 1)) (* -1/2 (* (/ 1 x) y))) into (- (+ x (* 1/2 (/ y x))))
8.161 * [backup-simplify]: Simplify (- (* (/ (/ 1 y) (/ 1 x)) -1/2) (/ 1 x)) into (- (+ (* 1/2 (/ x y)) (/ 1 x)))
8.161 * [approximate]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in (y x) around 0
8.161 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in x
8.161 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
8.161 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
8.161 * [taylor]: Taking taylor expansion of 1/2 in x
8.161 * [backup-simplify]: Simplify 1/2 into 1/2
8.161 * [taylor]: Taking taylor expansion of (/ x y) in x
8.161 * [taylor]: Taking taylor expansion of x in x
8.161 * [backup-simplify]: Simplify 0 into 0
8.161 * [backup-simplify]: Simplify 1 into 1
8.161 * [taylor]: Taking taylor expansion of y in x
8.161 * [backup-simplify]: Simplify y into y
8.161 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
8.161 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.161 * [taylor]: Taking taylor expansion of x in x
8.161 * [backup-simplify]: Simplify 0 into 0
8.161 * [backup-simplify]: Simplify 1 into 1
8.161 * [backup-simplify]: Simplify (/ 1 1) into 1
8.161 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
8.161 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
8.161 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
8.161 * [taylor]: Taking taylor expansion of 1/2 in y
8.161 * [backup-simplify]: Simplify 1/2 into 1/2
8.161 * [taylor]: Taking taylor expansion of (/ x y) in y
8.161 * [taylor]: Taking taylor expansion of x in y
8.161 * [backup-simplify]: Simplify x into x
8.161 * [taylor]: Taking taylor expansion of y in y
8.161 * [backup-simplify]: Simplify 0 into 0
8.161 * [backup-simplify]: Simplify 1 into 1
8.161 * [backup-simplify]: Simplify (/ x 1) into x
8.161 * [taylor]: Taking taylor expansion of (/ 1 x) in y
8.161 * [taylor]: Taking taylor expansion of x in y
8.161 * [backup-simplify]: Simplify x into x
8.161 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
8.161 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
8.161 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
8.161 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
8.161 * [taylor]: Taking taylor expansion of 1/2 in y
8.162 * [backup-simplify]: Simplify 1/2 into 1/2
8.162 * [taylor]: Taking taylor expansion of (/ x y) in y
8.162 * [taylor]: Taking taylor expansion of x in y
8.162 * [backup-simplify]: Simplify x into x
8.162 * [taylor]: Taking taylor expansion of y in y
8.162 * [backup-simplify]: Simplify 0 into 0
8.162 * [backup-simplify]: Simplify 1 into 1
8.162 * [backup-simplify]: Simplify (/ x 1) into x
8.162 * [taylor]: Taking taylor expansion of (/ 1 x) in y
8.162 * [taylor]: Taking taylor expansion of x in y
8.162 * [backup-simplify]: Simplify x into x
8.162 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
8.162 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
8.162 * [backup-simplify]: Simplify (+ (* 1/2 x) 0) into (* 1/2 x)
8.162 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
8.162 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
8.162 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
8.162 * [taylor]: Taking taylor expansion of 1/2 in x
8.162 * [backup-simplify]: Simplify 1/2 into 1/2
8.162 * [taylor]: Taking taylor expansion of x in x
8.162 * [backup-simplify]: Simplify 0 into 0
8.162 * [backup-simplify]: Simplify 1 into 1
8.163 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
8.163 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
8.163 * [backup-simplify]: Simplify (+ 0 (/ 1 x)) into (/ 1 x)
8.163 * [backup-simplify]: Simplify (- (/ 1 x)) into (- (/ 1 x))
8.163 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
8.163 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.163 * [taylor]: Taking taylor expansion of x in x
8.163 * [backup-simplify]: Simplify 0 into 0
8.163 * [backup-simplify]: Simplify 1 into 1
8.163 * [backup-simplify]: Simplify (/ 1 1) into 1
8.164 * [backup-simplify]: Simplify (- 1) into -1
8.164 * [backup-simplify]: Simplify -1 into -1
8.164 * [backup-simplify]: Simplify (* 1/2 0) into 0
8.165 * [backup-simplify]: Simplify (- 0) into 0
8.165 * [backup-simplify]: Simplify 0 into 0
8.166 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.167 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
8.167 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
8.167 * [backup-simplify]: Simplify (+ 0 0) into 0
8.168 * [backup-simplify]: Simplify (- 0) into 0
8.168 * [taylor]: Taking taylor expansion of 0 in x
8.168 * [backup-simplify]: Simplify 0 into 0
8.168 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.169 * [backup-simplify]: Simplify (- 0) into 0
8.169 * [backup-simplify]: Simplify 0 into 0
8.169 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
8.170 * [backup-simplify]: Simplify (- 1/2) into -1/2
8.170 * [backup-simplify]: Simplify -1/2 into -1/2
8.172 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.173 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
8.173 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
8.173 * [backup-simplify]: Simplify (+ 0 0) into 0
8.174 * [backup-simplify]: Simplify (- 0) into 0
8.174 * [taylor]: Taking taylor expansion of 0 in x
8.174 * [backup-simplify]: Simplify 0 into 0
8.174 * [backup-simplify]: Simplify 0 into 0
8.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.175 * [backup-simplify]: Simplify (- 0) into 0
8.175 * [backup-simplify]: Simplify 0 into 0
8.176 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
8.177 * [backup-simplify]: Simplify (- 0) into 0
8.177 * [backup-simplify]: Simplify 0 into 0
8.179 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.180 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
8.181 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
8.181 * [backup-simplify]: Simplify (+ 0 0) into 0
8.181 * [backup-simplify]: Simplify (- 0) into 0
8.181 * [taylor]: Taking taylor expansion of 0 in x
8.182 * [backup-simplify]: Simplify 0 into 0
8.182 * [backup-simplify]: Simplify 0 into 0
8.182 * [backup-simplify]: Simplify 0 into 0
8.182 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.183 * [backup-simplify]: Simplify (- 0) into 0
8.183 * [backup-simplify]: Simplify 0 into 0
8.183 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 x) (/ 1 (/ 1 y)))) (* -1 (* (/ 1 (/ 1 x)) 1))) into (- (+ x (* 1/2 (/ y x))))
8.184 * [backup-simplify]: Simplify (- (* (/ (/ 1 (- y)) (/ 1 (- x))) -1/2) (/ 1 (- x))) into (- (/ 1 x) (* 1/2 (/ x y)))
8.184 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in (y x) around 0
8.184 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in x
8.184 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.184 * [taylor]: Taking taylor expansion of x in x
8.184 * [backup-simplify]: Simplify 0 into 0
8.184 * [backup-simplify]: Simplify 1 into 1
8.184 * [backup-simplify]: Simplify (/ 1 1) into 1
8.184 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
8.184 * [taylor]: Taking taylor expansion of 1/2 in x
8.184 * [backup-simplify]: Simplify 1/2 into 1/2
8.184 * [taylor]: Taking taylor expansion of (/ x y) in x
8.184 * [taylor]: Taking taylor expansion of x in x
8.184 * [backup-simplify]: Simplify 0 into 0
8.184 * [backup-simplify]: Simplify 1 into 1
8.184 * [taylor]: Taking taylor expansion of y in x
8.184 * [backup-simplify]: Simplify y into y
8.184 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
8.184 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
8.184 * [taylor]: Taking taylor expansion of (/ 1 x) in y
8.185 * [taylor]: Taking taylor expansion of x in y
8.185 * [backup-simplify]: Simplify x into x
8.185 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
8.185 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
8.185 * [taylor]: Taking taylor expansion of 1/2 in y
8.185 * [backup-simplify]: Simplify 1/2 into 1/2
8.185 * [taylor]: Taking taylor expansion of (/ x y) in y
8.185 * [taylor]: Taking taylor expansion of x in y
8.185 * [backup-simplify]: Simplify x into x
8.185 * [taylor]: Taking taylor expansion of y in y
8.185 * [backup-simplify]: Simplify 0 into 0
8.185 * [backup-simplify]: Simplify 1 into 1
8.185 * [backup-simplify]: Simplify (/ x 1) into x
8.185 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
8.185 * [taylor]: Taking taylor expansion of (/ 1 x) in y
8.185 * [taylor]: Taking taylor expansion of x in y
8.185 * [backup-simplify]: Simplify x into x
8.185 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
8.185 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
8.185 * [taylor]: Taking taylor expansion of 1/2 in y
8.185 * [backup-simplify]: Simplify 1/2 into 1/2
8.185 * [taylor]: Taking taylor expansion of (/ x y) in y
8.185 * [taylor]: Taking taylor expansion of x in y
8.185 * [backup-simplify]: Simplify x into x
8.185 * [taylor]: Taking taylor expansion of y in y
8.185 * [backup-simplify]: Simplify 0 into 0
8.185 * [backup-simplify]: Simplify 1 into 1
8.185 * [backup-simplify]: Simplify (/ x 1) into x
8.186 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
8.186 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
8.186 * [backup-simplify]: Simplify (+ 0 (- (* 1/2 x))) into (- (* 1/2 x))
8.186 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
8.186 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
8.186 * [taylor]: Taking taylor expansion of 1/2 in x
8.186 * [backup-simplify]: Simplify 1/2 into 1/2
8.186 * [taylor]: Taking taylor expansion of x in x
8.186 * [backup-simplify]: Simplify 0 into 0
8.186 * [backup-simplify]: Simplify 1 into 1
8.192 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
8.193 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
8.193 * [backup-simplify]: Simplify (- 0) into 0
8.193 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
8.193 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.193 * [taylor]: Taking taylor expansion of x in x
8.193 * [backup-simplify]: Simplify 0 into 0
8.193 * [backup-simplify]: Simplify 1 into 1
8.193 * [backup-simplify]: Simplify (/ 1 1) into 1
8.194 * [backup-simplify]: Simplify 1 into 1
8.194 * [backup-simplify]: Simplify (* 1/2 0) into 0
8.194 * [backup-simplify]: Simplify (- 0) into 0
8.194 * [backup-simplify]: Simplify 0 into 0
8.195 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
8.196 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.196 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
8.197 * [backup-simplify]: Simplify (- 0) into 0
8.197 * [backup-simplify]: Simplify (+ 0 0) into 0
8.197 * [taylor]: Taking taylor expansion of 0 in x
8.197 * [backup-simplify]: Simplify 0 into 0
8.197 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.197 * [backup-simplify]: Simplify 0 into 0
8.198 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
8.198 * [backup-simplify]: Simplify (- 1/2) into -1/2
8.198 * [backup-simplify]: Simplify -1/2 into -1/2
8.198 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
8.199 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.200 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
8.200 * [backup-simplify]: Simplify (- 0) into 0
8.200 * [backup-simplify]: Simplify (+ 0 0) into 0
8.200 * [taylor]: Taking taylor expansion of 0 in x
8.201 * [backup-simplify]: Simplify 0 into 0
8.201 * [backup-simplify]: Simplify 0 into 0
8.201 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.201 * [backup-simplify]: Simplify 0 into 0
8.202 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
8.202 * [backup-simplify]: Simplify (- 0) into 0
8.202 * [backup-simplify]: Simplify 0 into 0
8.202 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
8.203 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.204 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
8.205 * [backup-simplify]: Simplify (- 0) into 0
8.205 * [backup-simplify]: Simplify (+ 0 0) into 0
8.205 * [taylor]: Taking taylor expansion of 0 in x
8.205 * [backup-simplify]: Simplify 0 into 0
8.205 * [backup-simplify]: Simplify 0 into 0
8.205 * [backup-simplify]: Simplify 0 into 0
8.206 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.206 * [backup-simplify]: Simplify 0 into 0
8.206 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 (- x)) (/ 1 (/ 1 (- y))))) (* 1 (* (/ 1 (/ 1 (- x))) 1))) into (- (+ x (* 1/2 (/ y x))))
8.206 * * * [progress]: simplifying candidates
8.206 * [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))))
8.207 * * [simplify]: Extracting # 0 : cost  0
8.207 * * [simplify]: Extracting # 1 : cost  0
8.207 * * [simplify]: Extracting # 2 : cost  0
8.207 * * [simplify]: Extracting # 3 : cost  0
8.207 * * [simplify]: Extracting # 4 : cost  0
8.207 * * [simplify]: Extracting # 5 : cost  0
8.207 * * [simplify]: Extracting # 6 : cost  0
8.207 * * [simplify]: Extracting # 7 : cost  0
8.207 * * [simplify]: iteration  0 :  32  enodes  (cost  173 )
8.214 * * [simplify]: Extracting # 0 : cost  0
8.214 * * [simplify]: Extracting # 1 : cost  0
8.214 * * [simplify]: Extracting # 2 : cost  0
8.214 * * [simplify]: Extracting # 3 : cost  0
8.214 * * [simplify]: iteration  1 :  82  enodes  (cost  166 )
8.240 * * [simplify]: Extracting # 0 : cost  0
8.240 * * [simplify]: Extracting # 1 : cost  0
8.241 * * [simplify]: Extracting # 2 : cost  0
8.242 * * [simplify]: Extracting # 3 : cost  0
8.242 * * [simplify]: Extracting # 4 : cost  0
8.242 * * [simplify]: iteration  2 :  227  enodes  (cost  149 )
8.423 * * [simplify]: Extracting # 0 : cost  0
8.424 * * [simplify]: Extracting # 1 : cost  0
8.425 * * [simplify]: Extracting # 2 : cost  0
8.426 * * [simplify]: Extracting # 3 : cost  0
8.427 * * [simplify]: Extracting # 4 : cost  0
8.428 * * [simplify]: Extracting # 5 : cost  0
8.429 * * [simplify]: Extracting # 6 : cost  0
8.430 * * [simplify]: iteration  3 :  841  enodes  (cost  147 )
9.716 * * [simplify]: Extracting # 0 : cost  0
9.727 * * [simplify]: Extracting # 1 : cost  0
9.733 * * [simplify]: Extracting # 2 : cost  0
9.740 * * [simplify]: Extracting # 3 : cost  0
9.743 * * [simplify]: Extracting # 4 : cost  0
9.750 * * [simplify]: iteration  4 :  3605  enodes  (cost  147 )
11.330 * * [simplify]: Extracting # 0 : cost  0
11.335 * * [simplify]: Extracting # 1 : cost  0
11.340 * * [simplify]: Extracting # 2 : cost  0
11.345 * * [simplify]: iteration done:  5000  enodes  (cost  147 )
11.345 * [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)
11.345 * * * [progress]: adding candidates to table
11.372 * [progress]: [Phase 3 of 3] Extracting.
11.372 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))> #<alt (λ (x y) (- (* (/ y x) -1/2) x))>)