19.907 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (sqrt (+ (* x x) y))
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: Extracting # 3 : cost  0
0.035 * * [simplify]: Extracting # 4 : cost  0
0.035 * * [simplify]: Extracting # 5 : cost  0
0.035 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.037 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: iteration  1 :  6  enodes  (cost  6 )
0.038 * * [simplify]: Extracting # 0 : cost  0
0.038 * * [simplify]: iteration done:  6  enodes  (cost  6 )
0.038 * [simplify]: Simplified to:
  (sqrt (+ (* x x) y))
0.039 * * [progress]: iteration 1 / 4
0.039 * * * [progress]: picking best candidate
0.050 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) y)))>
0.050 * * * [progress]: localizing error
0.060 * * * [progress]: generating rewritten candidates
0.060 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.074 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.082 * * * [progress]: generating series expansions
0.082 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.083 * [backup-simplify]: Simplify (sqrt (+ (* x x) y)) into (sqrt (+ (pow x 2) y))
0.083 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.083 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.083 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.083 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.083 * [taylor]: Taking taylor expansion of x in y
0.083 * [backup-simplify]: Simplify x into x
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 1 into 1
0.083 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.083 * [backup-simplify]: Simplify (+ (pow x 2) 0) into (pow x 2)
0.083 * [backup-simplify]: Simplify (sqrt (pow x 2)) into x
0.083 * [backup-simplify]: Simplify (+ (* x 0) (* 0 x)) into 0
0.084 * [backup-simplify]: Simplify (+ 0 1) into 1
0.084 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt (pow x 2)))) into (/ 1/2 x)
0.084 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.084 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.084 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [backup-simplify]: Simplify y into y
0.084 * [backup-simplify]: Simplify (+ 0 y) into y
0.084 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.084 * [backup-simplify]: Simplify (+ 0 0) into 0
0.084 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.084 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.084 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.084 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [backup-simplify]: Simplify y into y
0.084 * [backup-simplify]: Simplify (+ 0 y) into y
0.084 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.085 * [backup-simplify]: Simplify (+ 0 0) into 0
0.085 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt y))) into 0
0.085 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (sqrt 0) into 0
0.086 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.086 * [backup-simplify]: Simplify (* 1 1) into 1
0.087 * [backup-simplify]: Simplify (+ 1 0) into 1
0.087 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.087 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.087 * [taylor]: Taking taylor expansion of 1/2 in y
0.087 * [backup-simplify]: Simplify 1/2 into 1/2
0.087 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 1 into 1
0.087 * [backup-simplify]: Simplify (/ 1 1) into 1
0.088 * [backup-simplify]: Simplify (sqrt 0) into 0
0.088 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.089 * [backup-simplify]: Simplify (+ (* 1/2 +nan.0) (* 0 0)) into (- +nan.0)
0.090 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.090 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.091 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.092 * [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))))))
0.092 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 x) (/ 1 x)) (/ 1 y))) into (sqrt (+ (/ 1 (pow x 2)) (/ 1 y)))
0.092 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.092 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.092 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.092 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.092 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.092 * [taylor]: Taking taylor expansion of x in y
0.092 * [backup-simplify]: Simplify x into x
0.092 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.092 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.092 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.092 * [taylor]: Taking taylor expansion of y in y
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
0.093 * [backup-simplify]: Simplify (+ 0 1) into 1
0.093 * [backup-simplify]: Simplify (sqrt 0) into 0
0.094 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.094 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.094 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.094 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.094 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify (* 1 1) into 1
0.095 * [backup-simplify]: Simplify (/ 1 1) into 1
0.095 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.095 * [taylor]: Taking taylor expansion of y in x
0.095 * [backup-simplify]: Simplify y into y
0.095 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.095 * [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
0.096 * [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
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [backup-simplify]: Simplify (* 1 1) into 1
0.097 * [backup-simplify]: Simplify (/ 1 1) into 1
0.097 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.097 * [taylor]: Taking taylor expansion of y in x
0.097 * [backup-simplify]: Simplify y into y
0.098 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.098 * [backup-simplify]: Simplify (+ 1 0) into 1
0.098 * [backup-simplify]: Simplify (sqrt 1) into 1
0.099 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (+ 0 0) into 0
0.101 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.101 * [taylor]: Taking taylor expansion of 1 in y
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 1 into 1
0.102 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.103 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.103 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.104 * [backup-simplify]: Simplify (/ (- (/ 1 y) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 y)
0.104 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.104 * [taylor]: Taking taylor expansion of 1/2 in y
0.104 * [backup-simplify]: Simplify 1/2 into 1/2
0.104 * [taylor]: Taking taylor expansion of y in y
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 1 into 1
0.105 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.105 * [backup-simplify]: Simplify 1/2 into 1/2
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.107 * [backup-simplify]: Simplify (+ 0 0) into 0
0.108 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 y))))) (* 2 1)) into 0
0.108 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.111 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.112 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.112 * [backup-simplify]: Simplify (+ 0 0) into 0
0.113 * [backup-simplify]: Simplify (/ (- 0 (pow (/ 1/2 y) 2) (+ (* 2 (* 0 0)))) (* 2 1)) into (/ -1/8 (pow y 2))
0.113 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.113 * [taylor]: Taking taylor expansion of -1/8 in y
0.113 * [backup-simplify]: Simplify -1/8 into -1/8
0.113 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.113 * [taylor]: Taking taylor expansion of y in y
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 1 into 1
0.114 * [backup-simplify]: Simplify (* 1 1) into 1
0.114 * [backup-simplify]: Simplify (/ -1/8 1) into -1/8
0.114 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.115 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/8 (/ 0 1)))) into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
0.115 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y)))) into (sqrt (- (/ 1 (pow x 2)) (/ 1 y)))
0.115 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.115 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.115 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.115 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.115 * [taylor]: Taking taylor expansion of x in y
0.115 * [backup-simplify]: Simplify x into x
0.115 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.115 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.115 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.115 * [taylor]: Taking taylor expansion of y in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (/ 1 1) into 1
0.116 * [backup-simplify]: Simplify (- 1) into -1
0.116 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.116 * [backup-simplify]: Simplify (sqrt 0) into 0
0.117 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.117 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.117 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.118 * [backup-simplify]: Simplify (* 1 1) into 1
0.118 * [backup-simplify]: Simplify (/ 1 1) into 1
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [backup-simplify]: Simplify y into y
0.118 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.118 * [backup-simplify]: Simplify (+ 1 0) into 1
0.118 * [backup-simplify]: Simplify (sqrt 1) into 1
0.119 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify (+ 0 0) into 0
0.120 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.120 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.120 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.120 * [backup-simplify]: Simplify (* 1 1) into 1
0.120 * [backup-simplify]: Simplify (/ 1 1) into 1
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.120 * [taylor]: Taking taylor expansion of y in x
0.121 * [backup-simplify]: Simplify y into y
0.121 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.121 * [backup-simplify]: Simplify (+ 1 0) into 1
0.121 * [backup-simplify]: Simplify (sqrt 1) into 1
0.121 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify (+ 0 0) into 0
0.123 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.123 * [taylor]: Taking taylor expansion of 1 in y
0.123 * [backup-simplify]: Simplify 1 into 1
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 1 into 1
0.123 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.124 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.124 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.124 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.125 * [backup-simplify]: Simplify (/ (- (- (/ 1 y)) (pow 0 2) (+)) (* 2 1)) into (/ -1/2 y)
0.125 * [taylor]: Taking taylor expansion of (/ -1/2 y) in y
0.125 * [taylor]: Taking taylor expansion of -1/2 in y
0.125 * [backup-simplify]: Simplify -1/2 into -1/2
0.125 * [taylor]: Taking taylor expansion of y in y
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (/ -1/2 1) into -1/2
0.125 * [backup-simplify]: Simplify -1/2 into -1/2
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.126 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.126 * [backup-simplify]: Simplify (- 0) into 0
0.127 * [backup-simplify]: Simplify (+ 0 0) into 0
0.127 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ -1/2 y))))) (* 2 1)) into 0
0.127 * [taylor]: Taking taylor expansion of 0 in y
0.127 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1/2 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.129 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.129 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.129 * [backup-simplify]: Simplify (- 0) into 0
0.129 * [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)
0.132 * [backup-simplify]: Simplify (+ (* x x) y) into (+ (pow x 2) y)
0.132 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.132 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) 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 * [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 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.132 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 1 into 1
0.132 * [taylor]: Taking taylor expansion of y in x
0.132 * [backup-simplify]: Simplify y into y
0.132 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.132 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 1 into 1
0.132 * [taylor]: Taking taylor expansion of y in x
0.132 * [backup-simplify]: Simplify y into y
0.132 * [backup-simplify]: Simplify (+ 0 y) into 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 0 into 0
0.133 * [backup-simplify]: Simplify (+ 0 0) into 0
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [backup-simplify]: Simplify (* 1 1) into 1
0.133 * [backup-simplify]: Simplify (+ 1 0) into 1
0.133 * [taylor]: Taking taylor expansion of 1 in y
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) 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 0 into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 x) 2)) (* 1 (* y 1))) into (+ (pow x 2) y)
0.134 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 x)) (/ 1 y)) into (+ (/ 1 (pow x 2)) (/ 1 y))
0.134 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.134 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.135 * [taylor]: Taking taylor expansion of x in y
0.135 * [backup-simplify]: Simplify x into x
0.135 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.135 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.135 * [taylor]: Taking taylor expansion of y in y
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify (/ 1 1) into 1
0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify (* 1 1) into 1
0.136 * [backup-simplify]: Simplify (/ 1 1) into 1
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [backup-simplify]: Simplify y into y
0.136 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.136 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.136 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [backup-simplify]: Simplify (* 1 1) into 1
0.136 * [backup-simplify]: Simplify (/ 1 1) into 1
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [backup-simplify]: Simplify y into y
0.136 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.137 * [backup-simplify]: Simplify (+ 1 0) into 1
0.137 * [taylor]: Taking taylor expansion of 1 in y
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.138 * [backup-simplify]: Simplify (+ 0 0) into 0
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.139 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.139 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.139 * [taylor]: Taking taylor expansion of y in y
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify 1 into 1
0.139 * [backup-simplify]: Simplify (/ 1 1) into 1
0.139 * [backup-simplify]: Simplify 1 into 1
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.140 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.140 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.141 * [backup-simplify]: Simplify (+ 0 0) into 0
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.142 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.143 * [backup-simplify]: Simplify (+ 0 0) into 0
0.143 * [taylor]: Taking taylor expansion of 0 in y
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (/ 1 y)) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2))) into (+ (pow x 2) y)
0.143 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y))) into (- (/ 1 (pow x 2)) (/ 1 y))
0.143 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.143 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.143 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.143 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.143 * [taylor]: Taking taylor expansion of x in y
0.143 * [backup-simplify]: Simplify x into x
0.143 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.143 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.143 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.143 * [taylor]: Taking taylor expansion of y in y
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 1 into 1
0.148 * [backup-simplify]: Simplify (/ 1 1) into 1
0.148 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.148 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 1 into 1
0.148 * [backup-simplify]: Simplify (* 1 1) into 1
0.149 * [backup-simplify]: Simplify (/ 1 1) into 1
0.149 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.149 * [taylor]: Taking taylor expansion of y in x
0.149 * [backup-simplify]: Simplify y into y
0.149 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
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
0.149 * [backup-simplify]: Simplify (* 1 1) into 1
0.149 * [backup-simplify]: Simplify (/ 1 1) into 1
0.149 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.149 * [taylor]: Taking taylor expansion of y in x
0.149 * [backup-simplify]: Simplify y into y
0.149 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.150 * [backup-simplify]: Simplify (+ 1 0) into 1
0.150 * [taylor]: Taking taylor expansion of 1 in y
0.150 * [backup-simplify]: Simplify 1 into 1
0.150 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.151 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) 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 1 into 1
0.151 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.152 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.152 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.152 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.152 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.152 * [taylor]: Taking taylor expansion of y in y
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 1 into 1
0.152 * [backup-simplify]: Simplify (/ 1 1) into 1
0.153 * [backup-simplify]: Simplify (- 1) into -1
0.153 * [backup-simplify]: Simplify -1 into -1
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.154 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.154 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.154 * [backup-simplify]: Simplify (- 0) into 0
0.154 * [backup-simplify]: Simplify (+ 0 0) into 0
0.154 * [taylor]: Taking taylor expansion of 0 in y
0.154 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.155 * [backup-simplify]: Simplify (- 0) into 0
0.155 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.156 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.156 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.156 * [backup-simplify]: Simplify (- 0) into 0
0.157 * [backup-simplify]: Simplify (+ 0 0) into 0
0.157 * [taylor]: Taking taylor expansion of 0 in y
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2))) into (+ (pow x 2) y)
0.157 * * * [progress]: simplifying candidates
0.158 * [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)
0.159 * * [simplify]: Extracting # 0 : cost  0
0.159 * * [simplify]: Extracting # 1 : cost  0
0.159 * * [simplify]: Extracting # 2 : cost  0
0.159 * * [simplify]: Extracting # 3 : cost  0
0.159 * * [simplify]: Extracting # 4 : cost  0
0.159 * * [simplify]: Extracting # 5 : cost  0
0.159 * * [simplify]: Extracting # 6 : cost  0
0.159 * * [simplify]: Extracting # 7 : cost  0
0.159 * * [simplify]: Extracting # 8 : cost  0
0.159 * * [simplify]: Extracting # 9 : cost  0
0.159 * * [simplify]: Extracting # 10 : cost  0
0.160 * * [simplify]: iteration  0 :  59  enodes  (cost  319 )
0.173 * * [simplify]: Extracting # 0 : cost  0
0.174 * * [simplify]: Extracting # 1 : cost  0
0.174 * * [simplify]: Extracting # 2 : cost  0
0.174 * * [simplify]: Extracting # 3 : cost  0
0.175 * * [simplify]: Extracting # 4 : cost  0
0.175 * * [simplify]: iteration  1 :  140  enodes  (cost  294 )
0.225 * * [simplify]: Extracting # 0 : cost  0
0.225 * * [simplify]: Extracting # 1 : cost  0
0.225 * * [simplify]: Extracting # 2 : cost  0
0.226 * * [simplify]: Extracting # 3 : cost  0
0.226 * * [simplify]: Extracting # 4 : cost  0
0.226 * * [simplify]: iteration  2 :  347  enodes  (cost  258 )
0.391 * * [simplify]: Extracting # 0 : cost  0
0.392 * * [simplify]: Extracting # 1 : cost  0
0.393 * * [simplify]: Extracting # 2 : cost  0
0.393 * * [simplify]: Extracting # 3 : cost  0
0.394 * * [simplify]: Extracting # 4 : cost  0
0.394 * * [simplify]: iteration  3 :  826  enodes  (cost  255 )
1.018 * * [simplify]: Extracting # 0 : cost  0
1.020 * * [simplify]: Extracting # 1 : cost  0
1.022 * * [simplify]: Extracting # 2 : cost  0
1.024 * * [simplify]: Extracting # 3 : cost  0
1.027 * * [simplify]: Extracting # 4 : cost  0
1.029 * * [simplify]: iteration  4 :  2004  enodes  (cost  254 )
2.783 * * [simplify]: Extracting # 0 : cost  0
2.787 * * [simplify]: Extracting # 1 : cost  0
2.790 * * [simplify]: Extracting # 2 : cost  0
2.793 * * [simplify]: Extracting # 3 : cost  0
2.796 * * [simplify]: Extracting # 4 : cost  0
2.799 * * [simplify]: Extracting # 5 : cost  0
2.807 * * [simplify]: iteration  5 :  4212  enodes  (cost  254 )
4.449 * * [simplify]: Extracting # 0 : cost  0
4.453 * * [simplify]: Extracting # 1 : cost  0
4.458 * * [simplify]: Extracting # 2 : cost  0
4.462 * * [simplify]: Extracting # 3 : cost  0
4.466 * * [simplify]: Extracting # 4 : cost  0
4.470 * * [simplify]: iteration done:  5000  enodes  (cost  254 )
4.470 * [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))
4.470 * * * [progress]: adding candidates to table
4.588 * * [progress]: iteration 2 / 4
4.588 * * * [progress]: picking best candidate
4.591 * * * * [pick]: Picked  #<alt (λ (x y) (- (* (/ y x) -1/2) x))>
4.591 * * * [progress]: localizing error
4.599 * * * [progress]: generating rewritten candidates
4.600 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.618 * * * [progress]: generating series expansions
4.618 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.618 * [backup-simplify]: Simplify (- (* (/ y x) -1/2) x) into (- (+ x (* 1/2 (/ y x))))
4.618 * [approximate]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in (y x) around 0
4.618 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in x
4.618 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
4.618 * [taylor]: Taking taylor expansion of x in x
4.618 * [backup-simplify]: Simplify 0 into 0
4.618 * [backup-simplify]: Simplify 1 into 1
4.618 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
4.618 * [taylor]: Taking taylor expansion of 1/2 in x
4.618 * [backup-simplify]: Simplify 1/2 into 1/2
4.618 * [taylor]: Taking taylor expansion of (/ y x) in x
4.618 * [taylor]: Taking taylor expansion of y in x
4.619 * [backup-simplify]: Simplify y into y
4.619 * [taylor]: Taking taylor expansion of x in x
4.619 * [backup-simplify]: Simplify 0 into 0
4.619 * [backup-simplify]: Simplify 1 into 1
4.619 * [backup-simplify]: Simplify (/ y 1) into y
4.619 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
4.619 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
4.619 * [taylor]: Taking taylor expansion of x in y
4.619 * [backup-simplify]: Simplify x into x
4.619 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
4.619 * [taylor]: Taking taylor expansion of 1/2 in y
4.619 * [backup-simplify]: Simplify 1/2 into 1/2
4.619 * [taylor]: Taking taylor expansion of (/ y x) in y
4.619 * [taylor]: Taking taylor expansion of y in y
4.619 * [backup-simplify]: Simplify 0 into 0
4.619 * [backup-simplify]: Simplify 1 into 1
4.619 * [taylor]: Taking taylor expansion of x in y
4.619 * [backup-simplify]: Simplify x into x
4.619 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.619 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
4.619 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
4.619 * [taylor]: Taking taylor expansion of x in y
4.619 * [backup-simplify]: Simplify x into x
4.619 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
4.619 * [taylor]: Taking taylor expansion of 1/2 in y
4.619 * [backup-simplify]: Simplify 1/2 into 1/2
4.619 * [taylor]: Taking taylor expansion of (/ y x) in y
4.619 * [taylor]: Taking taylor expansion of y in y
4.619 * [backup-simplify]: Simplify 0 into 0
4.619 * [backup-simplify]: Simplify 1 into 1
4.619 * [taylor]: Taking taylor expansion of x in y
4.619 * [backup-simplify]: Simplify x into x
4.619 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.620 * [backup-simplify]: Simplify (+ x 0) into x
4.620 * [backup-simplify]: Simplify (- x) into (- x)
4.620 * [taylor]: Taking taylor expansion of (- x) in x
4.620 * [taylor]: Taking taylor expansion of x in x
4.620 * [backup-simplify]: Simplify 0 into 0
4.620 * [backup-simplify]: Simplify 1 into 1
4.620 * [backup-simplify]: Simplify (* 1/2 (/ 1 x)) into (/ 1/2 x)
4.620 * [backup-simplify]: Simplify (+ 0 (/ 1/2 x)) into (* 1/2 (/ 1 x))
4.620 * [backup-simplify]: Simplify (- (* 1/2 (/ 1 x))) into (- (* 1/2 (/ 1 x)))
4.620 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ 1 x))) in x
4.620 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
4.620 * [taylor]: Taking taylor expansion of 1/2 in x
4.620 * [backup-simplify]: Simplify 1/2 into 1/2
4.620 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.620 * [taylor]: Taking taylor expansion of x in x
4.620 * [backup-simplify]: Simplify 0 into 0
4.620 * [backup-simplify]: Simplify 1 into 1
4.621 * [backup-simplify]: Simplify (/ 1 1) into 1
4.621 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
4.622 * [backup-simplify]: Simplify (- 1/2) into -1/2
4.622 * [backup-simplify]: Simplify -1/2 into -1/2
4.622 * [backup-simplify]: Simplify (- 0) into 0
4.622 * [backup-simplify]: Simplify 0 into 0
4.622 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)))) into 0
4.623 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 x))) into 0
4.623 * [backup-simplify]: Simplify (+ 0 0) into 0
4.623 * [backup-simplify]: Simplify (- 0) into 0
4.623 * [taylor]: Taking taylor expansion of 0 in x
4.623 * [backup-simplify]: Simplify 0 into 0
4.624 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.624 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
4.625 * [backup-simplify]: Simplify (- 0) into 0
4.625 * [backup-simplify]: Simplify 0 into 0
4.625 * [backup-simplify]: Simplify (- 1) into -1
4.625 * [backup-simplify]: Simplify -1 into -1
4.625 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
4.626 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 x)))) into 0
4.626 * [backup-simplify]: Simplify (+ 0 0) into 0
4.627 * [backup-simplify]: Simplify (- 0) into 0
4.627 * [taylor]: Taking taylor expansion of 0 in x
4.627 * [backup-simplify]: Simplify 0 into 0
4.627 * [backup-simplify]: Simplify 0 into 0
4.628 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.629 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
4.629 * [backup-simplify]: Simplify (- 0) into 0
4.629 * [backup-simplify]: Simplify 0 into 0
4.629 * [backup-simplify]: Simplify (- 0) into 0
4.629 * [backup-simplify]: Simplify 0 into 0
4.630 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
4.631 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 x))))) into 0
4.631 * [backup-simplify]: Simplify (+ 0 0) into 0
4.631 * [backup-simplify]: Simplify (- 0) into 0
4.631 * [taylor]: Taking taylor expansion of 0 in x
4.631 * [backup-simplify]: Simplify 0 into 0
4.631 * [backup-simplify]: Simplify 0 into 0
4.631 * [backup-simplify]: Simplify 0 into 0
4.632 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.633 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.633 * [backup-simplify]: Simplify (- 0) into 0
4.633 * [backup-simplify]: Simplify 0 into 0
4.634 * [backup-simplify]: Simplify (+ (* -1 (* x 1)) (* -1/2 (* (/ 1 x) y))) into (- (+ x (* 1/2 (/ y x))))
4.634 * [backup-simplify]: Simplify (- (* (/ (/ 1 y) (/ 1 x)) -1/2) (/ 1 x)) into (- (+ (* 1/2 (/ x y)) (/ 1 x)))
4.634 * [approximate]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in (y x) around 0
4.634 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in x
4.634 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
4.634 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.634 * [taylor]: Taking taylor expansion of 1/2 in x
4.634 * [backup-simplify]: Simplify 1/2 into 1/2
4.634 * [taylor]: Taking taylor expansion of (/ x y) in x
4.634 * [taylor]: Taking taylor expansion of x in x
4.634 * [backup-simplify]: Simplify 0 into 0
4.634 * [backup-simplify]: Simplify 1 into 1
4.634 * [taylor]: Taking taylor expansion of y in x
4.634 * [backup-simplify]: Simplify y into y
4.634 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.634 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.634 * [taylor]: Taking taylor expansion of x in x
4.634 * [backup-simplify]: Simplify 0 into 0
4.634 * [backup-simplify]: Simplify 1 into 1
4.635 * [backup-simplify]: Simplify (/ 1 1) into 1
4.635 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
4.635 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
4.635 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.635 * [taylor]: Taking taylor expansion of 1/2 in y
4.635 * [backup-simplify]: Simplify 1/2 into 1/2
4.635 * [taylor]: Taking taylor expansion of (/ x y) in y
4.635 * [taylor]: Taking taylor expansion of x in y
4.635 * [backup-simplify]: Simplify x into x
4.635 * [taylor]: Taking taylor expansion of y in y
4.635 * [backup-simplify]: Simplify 0 into 0
4.635 * [backup-simplify]: Simplify 1 into 1
4.635 * [backup-simplify]: Simplify (/ x 1) into x
4.635 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.635 * [taylor]: Taking taylor expansion of x in y
4.635 * [backup-simplify]: Simplify x into x
4.635 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.635 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
4.635 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
4.635 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.635 * [taylor]: Taking taylor expansion of 1/2 in y
4.635 * [backup-simplify]: Simplify 1/2 into 1/2
4.635 * [taylor]: Taking taylor expansion of (/ x y) in y
4.635 * [taylor]: Taking taylor expansion of x in y
4.635 * [backup-simplify]: Simplify x into x
4.635 * [taylor]: Taking taylor expansion of y in y
4.635 * [backup-simplify]: Simplify 0 into 0
4.635 * [backup-simplify]: Simplify 1 into 1
4.636 * [backup-simplify]: Simplify (/ x 1) into x
4.636 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.636 * [taylor]: Taking taylor expansion of x in y
4.636 * [backup-simplify]: Simplify x into x
4.636 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.636 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
4.636 * [backup-simplify]: Simplify (+ (* 1/2 x) 0) into (* 1/2 x)
4.636 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
4.636 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
4.636 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
4.636 * [taylor]: Taking taylor expansion of 1/2 in x
4.636 * [backup-simplify]: Simplify 1/2 into 1/2
4.636 * [taylor]: Taking taylor expansion of x in x
4.636 * [backup-simplify]: Simplify 0 into 0
4.636 * [backup-simplify]: Simplify 1 into 1
4.637 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
4.637 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
4.637 * [backup-simplify]: Simplify (+ 0 (/ 1 x)) into (/ 1 x)
4.637 * [backup-simplify]: Simplify (- (/ 1 x)) into (- (/ 1 x))
4.638 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
4.638 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.638 * [taylor]: Taking taylor expansion of x in x
4.638 * [backup-simplify]: Simplify 0 into 0
4.638 * [backup-simplify]: Simplify 1 into 1
4.638 * [backup-simplify]: Simplify (/ 1 1) into 1
4.638 * [backup-simplify]: Simplify (- 1) into -1
4.638 * [backup-simplify]: Simplify -1 into -1
4.639 * [backup-simplify]: Simplify (* 1/2 0) into 0
4.639 * [backup-simplify]: Simplify (- 0) into 0
4.639 * [backup-simplify]: Simplify 0 into 0
4.640 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.641 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
4.641 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
4.641 * [backup-simplify]: Simplify (+ 0 0) into 0
4.642 * [backup-simplify]: Simplify (- 0) into 0
4.642 * [taylor]: Taking taylor expansion of 0 in x
4.642 * [backup-simplify]: Simplify 0 into 0
4.642 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.643 * [backup-simplify]: Simplify (- 0) into 0
4.643 * [backup-simplify]: Simplify 0 into 0
4.643 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
4.644 * [backup-simplify]: Simplify (- 1/2) into -1/2
4.644 * [backup-simplify]: Simplify -1/2 into -1/2
4.645 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.646 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
4.646 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
4.646 * [backup-simplify]: Simplify (+ 0 0) into 0
4.647 * [backup-simplify]: Simplify (- 0) into 0
4.647 * [taylor]: Taking taylor expansion of 0 in x
4.647 * [backup-simplify]: Simplify 0 into 0
4.647 * [backup-simplify]: Simplify 0 into 0
4.647 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.647 * [backup-simplify]: Simplify (- 0) into 0
4.647 * [backup-simplify]: Simplify 0 into 0
4.648 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
4.648 * [backup-simplify]: Simplify (- 0) into 0
4.648 * [backup-simplify]: Simplify 0 into 0
4.650 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.650 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
4.651 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
4.651 * [backup-simplify]: Simplify (+ 0 0) into 0
4.651 * [backup-simplify]: Simplify (- 0) into 0
4.651 * [taylor]: Taking taylor expansion of 0 in x
4.651 * [backup-simplify]: Simplify 0 into 0
4.651 * [backup-simplify]: Simplify 0 into 0
4.651 * [backup-simplify]: Simplify 0 into 0
4.652 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.652 * [backup-simplify]: Simplify (- 0) into 0
4.652 * [backup-simplify]: Simplify 0 into 0
4.652 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 x) (/ 1 (/ 1 y)))) (* -1 (* (/ 1 (/ 1 x)) 1))) into (- (+ x (* 1/2 (/ y x))))
4.652 * [backup-simplify]: Simplify (- (* (/ (/ 1 (- y)) (/ 1 (- x))) -1/2) (/ 1 (- x))) into (- (/ 1 x) (* 1/2 (/ x y)))
4.652 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in (y x) around 0
4.652 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in x
4.652 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.652 * [taylor]: Taking taylor expansion of x in x
4.652 * [backup-simplify]: Simplify 0 into 0
4.652 * [backup-simplify]: Simplify 1 into 1
4.653 * [backup-simplify]: Simplify (/ 1 1) into 1
4.653 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
4.653 * [taylor]: Taking taylor expansion of 1/2 in x
4.653 * [backup-simplify]: Simplify 1/2 into 1/2
4.653 * [taylor]: Taking taylor expansion of (/ x y) in x
4.653 * [taylor]: Taking taylor expansion of x in x
4.653 * [backup-simplify]: Simplify 0 into 0
4.653 * [backup-simplify]: Simplify 1 into 1
4.653 * [taylor]: Taking taylor expansion of y in x
4.653 * [backup-simplify]: Simplify y into y
4.653 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.653 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
4.653 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.653 * [taylor]: Taking taylor expansion of x in y
4.653 * [backup-simplify]: Simplify x into x
4.653 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.653 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.653 * [taylor]: Taking taylor expansion of 1/2 in y
4.653 * [backup-simplify]: Simplify 1/2 into 1/2
4.653 * [taylor]: Taking taylor expansion of (/ x y) in y
4.653 * [taylor]: Taking taylor expansion of x in y
4.653 * [backup-simplify]: Simplify x into x
4.653 * [taylor]: Taking taylor expansion of y in y
4.653 * [backup-simplify]: Simplify 0 into 0
4.653 * [backup-simplify]: Simplify 1 into 1
4.653 * [backup-simplify]: Simplify (/ x 1) into x
4.653 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
4.653 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.653 * [taylor]: Taking taylor expansion of x in y
4.653 * [backup-simplify]: Simplify x into x
4.653 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.653 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
4.653 * [taylor]: Taking taylor expansion of 1/2 in y
4.653 * [backup-simplify]: Simplify 1/2 into 1/2
4.653 * [taylor]: Taking taylor expansion of (/ x y) in y
4.653 * [taylor]: Taking taylor expansion of x in y
4.653 * [backup-simplify]: Simplify x into x
4.653 * [taylor]: Taking taylor expansion of y in y
4.653 * [backup-simplify]: Simplify 0 into 0
4.653 * [backup-simplify]: Simplify 1 into 1
4.653 * [backup-simplify]: Simplify (/ x 1) into x
4.653 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
4.653 * [backup-simplify]: Simplify (- (* 1/2 x)) into (- (* 1/2 x))
4.653 * [backup-simplify]: Simplify (+ 0 (- (* 1/2 x))) into (- (* 1/2 x))
4.653 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
4.654 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
4.654 * [taylor]: Taking taylor expansion of 1/2 in x
4.654 * [backup-simplify]: Simplify 1/2 into 1/2
4.654 * [taylor]: Taking taylor expansion of x in x
4.654 * [backup-simplify]: Simplify 0 into 0
4.654 * [backup-simplify]: Simplify 1 into 1
4.654 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
4.654 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 x)) into 0
4.655 * [backup-simplify]: Simplify (- 0) into 0
4.655 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
4.655 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.655 * [taylor]: Taking taylor expansion of x in x
4.655 * [backup-simplify]: Simplify 0 into 0
4.655 * [backup-simplify]: Simplify 1 into 1
4.655 * [backup-simplify]: Simplify (/ 1 1) into 1
4.655 * [backup-simplify]: Simplify 1 into 1
4.655 * [backup-simplify]: Simplify (* 1/2 0) into 0
4.655 * [backup-simplify]: Simplify (- 0) into 0
4.655 * [backup-simplify]: Simplify 0 into 0
4.656 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
4.656 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.657 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 x))) into 0
4.657 * [backup-simplify]: Simplify (- 0) into 0
4.657 * [backup-simplify]: Simplify (+ 0 0) into 0
4.657 * [taylor]: Taking taylor expansion of 0 in x
4.657 * [backup-simplify]: Simplify 0 into 0
4.658 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.658 * [backup-simplify]: Simplify 0 into 0
4.658 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
4.658 * [backup-simplify]: Simplify (- 1/2) into -1/2
4.658 * [backup-simplify]: Simplify -1/2 into -1/2
4.658 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
4.660 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.660 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 x)))) into 0
4.660 * [backup-simplify]: Simplify (- 0) into 0
4.661 * [backup-simplify]: Simplify (+ 0 0) into 0
4.661 * [taylor]: Taking taylor expansion of 0 in x
4.661 * [backup-simplify]: Simplify 0 into 0
4.661 * [backup-simplify]: Simplify 0 into 0
4.661 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.661 * [backup-simplify]: Simplify 0 into 0
4.662 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
4.662 * [backup-simplify]: Simplify (- 0) into 0
4.662 * [backup-simplify]: Simplify 0 into 0
4.662 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
4.663 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.664 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 x))))) into 0
4.665 * [backup-simplify]: Simplify (- 0) into 0
4.665 * [backup-simplify]: Simplify (+ 0 0) into 0
4.665 * [taylor]: Taking taylor expansion of 0 in x
4.665 * [backup-simplify]: Simplify 0 into 0
4.665 * [backup-simplify]: Simplify 0 into 0
4.665 * [backup-simplify]: Simplify 0 into 0
4.669 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.669 * [backup-simplify]: Simplify 0 into 0
4.669 * [backup-simplify]: Simplify (+ (* -1/2 (* (/ 1 (- x)) (/ 1 (/ 1 (- y))))) (* 1 (* (/ 1 (/ 1 (- x))) 1))) into (- (+ x (* 1/2 (/ y x))))
4.669 * * * [progress]: simplifying candidates
4.670 * [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))))
4.670 * * [simplify]: Extracting # 0 : cost  0
4.670 * * [simplify]: Extracting # 1 : cost  0
4.670 * * [simplify]: Extracting # 2 : cost  0
4.670 * * [simplify]: Extracting # 3 : cost  0
4.670 * * [simplify]: Extracting # 4 : cost  0
4.670 * * [simplify]: Extracting # 5 : cost  0
4.670 * * [simplify]: Extracting # 6 : cost  0
4.670 * * [simplify]: Extracting # 7 : cost  0
4.670 * * [simplify]: iteration  0 :  32  enodes  (cost  173 )
4.681 * * [simplify]: Extracting # 0 : cost  0
4.681 * * [simplify]: Extracting # 1 : cost  0
4.681 * * [simplify]: Extracting # 2 : cost  0
4.681 * * [simplify]: Extracting # 3 : cost  0
4.681 * * [simplify]: iteration  1 :  82  enodes  (cost  166 )
4.715 * * [simplify]: Extracting # 0 : cost  0
4.716 * * [simplify]: Extracting # 1 : cost  0
4.716 * * [simplify]: Extracting # 2 : cost  0
4.716 * * [simplify]: Extracting # 3 : cost  0
4.717 * * [simplify]: Extracting # 4 : cost  0
4.717 * * [simplify]: iteration  2 :  227  enodes  (cost  149 )
4.841 * * [simplify]: Extracting # 0 : cost  0
4.842 * * [simplify]: Extracting # 1 : cost  0
4.842 * * [simplify]: Extracting # 2 : cost  0
4.843 * * [simplify]: Extracting # 3 : cost  0
4.844 * * [simplify]: Extracting # 4 : cost  0
4.845 * * [simplify]: Extracting # 5 : cost  0
4.846 * * [simplify]: Extracting # 6 : cost  0
4.846 * * [simplify]: iteration  3 :  841  enodes  (cost  147 )
6.011 * * [simplify]: Extracting # 0 : cost  0
6.017 * * [simplify]: Extracting # 1 : cost  0
6.020 * * [simplify]: Extracting # 2 : cost  0
6.024 * * [simplify]: Extracting # 3 : cost  0
6.027 * * [simplify]: Extracting # 4 : cost  0
6.030 * * [simplify]: iteration  4 :  3605  enodes  (cost  147 )
7.499 * * [simplify]: Extracting # 0 : cost  0
7.504 * * [simplify]: Extracting # 1 : cost  0
7.511 * * [simplify]: Extracting # 2 : cost  0
7.519 * * [simplify]: iteration done:  5000  enodes  (cost  147 )
7.519 * [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)
7.519 * * * [progress]: adding candidates to table
7.560 * * [progress]: iteration 3 / 4
7.560 * * * [progress]: picking best candidate
7.562 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (* 1/2 (/ y x))))>
7.562 * * * [progress]: localizing error
7.571 * * * [progress]: generating rewritten candidates
7.571 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
7.581 * * * [progress]: generating series expansions
7.581 * * * * [progress]: [ 1 / 1 ] generating series at (2)
7.581 * [backup-simplify]: Simplify (+ x (* 1/2 (/ y x))) into (+ x (* 1/2 (/ y x)))
7.581 * [approximate]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in (x y) around 0
7.581 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
7.581 * [taylor]: Taking taylor expansion of x in y
7.581 * [backup-simplify]: Simplify x into x
7.581 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
7.581 * [taylor]: Taking taylor expansion of 1/2 in y
7.581 * [backup-simplify]: Simplify 1/2 into 1/2
7.581 * [taylor]: Taking taylor expansion of (/ y x) in y
7.581 * [taylor]: Taking taylor expansion of y in y
7.581 * [backup-simplify]: Simplify 0 into 0
7.581 * [backup-simplify]: Simplify 1 into 1
7.581 * [taylor]: Taking taylor expansion of x in y
7.581 * [backup-simplify]: Simplify x into x
7.581 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.581 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
7.581 * [taylor]: Taking taylor expansion of x in x
7.581 * [backup-simplify]: Simplify 0 into 0
7.581 * [backup-simplify]: Simplify 1 into 1
7.581 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
7.582 * [taylor]: Taking taylor expansion of 1/2 in x
7.582 * [backup-simplify]: Simplify 1/2 into 1/2
7.582 * [taylor]: Taking taylor expansion of (/ y x) in x
7.582 * [taylor]: Taking taylor expansion of y in x
7.582 * [backup-simplify]: Simplify y into y
7.582 * [taylor]: Taking taylor expansion of x in x
7.582 * [backup-simplify]: Simplify 0 into 0
7.582 * [backup-simplify]: Simplify 1 into 1
7.582 * [backup-simplify]: Simplify (/ y 1) into y
7.582 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
7.582 * [taylor]: Taking taylor expansion of x in x
7.582 * [backup-simplify]: Simplify 0 into 0
7.582 * [backup-simplify]: Simplify 1 into 1
7.582 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
7.582 * [taylor]: Taking taylor expansion of 1/2 in x
7.582 * [backup-simplify]: Simplify 1/2 into 1/2
7.582 * [taylor]: Taking taylor expansion of (/ y x) in x
7.582 * [taylor]: Taking taylor expansion of y in x
7.582 * [backup-simplify]: Simplify y into y
7.582 * [taylor]: Taking taylor expansion of x in x
7.582 * [backup-simplify]: Simplify 0 into 0
7.582 * [backup-simplify]: Simplify 1 into 1
7.582 * [backup-simplify]: Simplify (/ y 1) into y
7.582 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
7.582 * [backup-simplify]: Simplify (+ 0 (* 1/2 y)) into (* 1/2 y)
7.582 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
7.582 * [taylor]: Taking taylor expansion of 1/2 in y
7.582 * [backup-simplify]: Simplify 1/2 into 1/2
7.582 * [taylor]: Taking taylor expansion of y in y
7.582 * [backup-simplify]: Simplify 0 into 0
7.583 * [backup-simplify]: Simplify 1 into 1
7.583 * [backup-simplify]: Simplify (* 1/2 0) into 0
7.583 * [backup-simplify]: Simplify 0 into 0
7.584 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0
7.584 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 y)) into 0
7.585 * [backup-simplify]: Simplify (+ 0 0) into 0
7.585 * [taylor]: Taking taylor expansion of 0 in y
7.585 * [backup-simplify]: Simplify 0 into 0
7.585 * [backup-simplify]: Simplify 0 into 0
7.586 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
7.586 * [backup-simplify]: Simplify 1/2 into 1/2
7.587 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.588 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 y))) into 0
7.588 * [backup-simplify]: Simplify (+ 1 0) into 1
7.588 * [taylor]: Taking taylor expansion of 1 in y
7.588 * [backup-simplify]: Simplify 1 into 1
7.588 * [backup-simplify]: Simplify 1 into 1
7.588 * [backup-simplify]: Simplify 0 into 0
7.589 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
7.589 * [backup-simplify]: Simplify 0 into 0
7.591 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.592 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
7.592 * [backup-simplify]: Simplify (+ 0 0) into 0
7.592 * [taylor]: Taking taylor expansion of 0 in y
7.592 * [backup-simplify]: Simplify 0 into 0
7.592 * [backup-simplify]: Simplify 0 into 0
7.592 * [backup-simplify]: Simplify 0 into 0
7.592 * [backup-simplify]: Simplify 0 into 0
7.593 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
7.593 * [backup-simplify]: Simplify 0 into 0
7.593 * [backup-simplify]: Simplify (+ (* 1 (* 1 x)) (* 1/2 (* y (/ 1 x)))) into (+ x (* 1/2 (/ y x)))
7.593 * [backup-simplify]: Simplify (+ (/ 1 x) (* 1/2 (/ (/ 1 y) (/ 1 x)))) into (+ (* 1/2 (/ x y)) (/ 1 x))
7.593 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
7.593 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
7.593 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.593 * [taylor]: Taking taylor expansion of 1/2 in y
7.593 * [backup-simplify]: Simplify 1/2 into 1/2
7.593 * [taylor]: Taking taylor expansion of (/ x y) in y
7.593 * [taylor]: Taking taylor expansion of x in y
7.593 * [backup-simplify]: Simplify x into x
7.593 * [taylor]: Taking taylor expansion of y in y
7.593 * [backup-simplify]: Simplify 0 into 0
7.593 * [backup-simplify]: Simplify 1 into 1
7.594 * [backup-simplify]: Simplify (/ x 1) into x
7.594 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.594 * [taylor]: Taking taylor expansion of x in y
7.594 * [backup-simplify]: Simplify x into x
7.594 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.594 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
7.594 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
7.594 * [taylor]: Taking taylor expansion of 1/2 in x
7.594 * [backup-simplify]: Simplify 1/2 into 1/2
7.594 * [taylor]: Taking taylor expansion of (/ x y) in x
7.594 * [taylor]: Taking taylor expansion of x in x
7.594 * [backup-simplify]: Simplify 0 into 0
7.594 * [backup-simplify]: Simplify 1 into 1
7.594 * [taylor]: Taking taylor expansion of y in x
7.594 * [backup-simplify]: Simplify y into y
7.594 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
7.594 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.594 * [taylor]: Taking taylor expansion of x in x
7.594 * [backup-simplify]: Simplify 0 into 0
7.594 * [backup-simplify]: Simplify 1 into 1
7.594 * [backup-simplify]: Simplify (/ 1 1) into 1
7.594 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
7.595 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
7.595 * [taylor]: Taking taylor expansion of 1/2 in x
7.595 * [backup-simplify]: Simplify 1/2 into 1/2
7.595 * [taylor]: Taking taylor expansion of (/ x y) in x
7.595 * [taylor]: Taking taylor expansion of x in x
7.595 * [backup-simplify]: Simplify 0 into 0
7.595 * [backup-simplify]: Simplify 1 into 1
7.595 * [taylor]: Taking taylor expansion of y in x
7.595 * [backup-simplify]: Simplify y into y
7.595 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
7.595 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.595 * [taylor]: Taking taylor expansion of x in x
7.595 * [backup-simplify]: Simplify 0 into 0
7.595 * [backup-simplify]: Simplify 1 into 1
7.595 * [backup-simplify]: Simplify (/ 1 1) into 1
7.596 * [backup-simplify]: Simplify (+ 0 1) into 1
7.596 * [taylor]: Taking taylor expansion of 1 in y
7.596 * [backup-simplify]: Simplify 1 into 1
7.596 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.597 * [backup-simplify]: Simplify (+ 0 0) into 0
7.597 * [taylor]: Taking taylor expansion of 0 in y
7.597 * [backup-simplify]: Simplify 0 into 0
7.597 * [backup-simplify]: Simplify 1 into 1
7.597 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
7.598 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.598 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
7.598 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
7.598 * [taylor]: Taking taylor expansion of 1/2 in y
7.598 * [backup-simplify]: Simplify 1/2 into 1/2
7.598 * [taylor]: Taking taylor expansion of (/ 1 y) in y
7.598 * [taylor]: Taking taylor expansion of y in y
7.598 * [backup-simplify]: Simplify 0 into 0
7.598 * [backup-simplify]: Simplify 1 into 1
7.599 * [backup-simplify]: Simplify (/ 1 1) into 1
7.599 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
7.599 * [backup-simplify]: Simplify 1/2 into 1/2
7.599 * [backup-simplify]: Simplify 0 into 0
7.599 * [backup-simplify]: Simplify 0 into 0
7.599 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
7.600 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
7.601 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.601 * [backup-simplify]: Simplify (+ 0 0) into 0
7.601 * [taylor]: Taking taylor expansion of 0 in y
7.601 * [backup-simplify]: Simplify 0 into 0
7.602 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.602 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
7.602 * [backup-simplify]: Simplify 0 into 0
7.602 * [backup-simplify]: Simplify 0 into 0
7.602 * [backup-simplify]: Simplify 0 into 0
7.603 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
7.603 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
7.604 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.604 * [backup-simplify]: Simplify (+ 0 0) into 0
7.604 * [taylor]: Taking taylor expansion of 0 in y
7.604 * [backup-simplify]: Simplify 0 into 0
7.605 * [backup-simplify]: Simplify 0 into 0
7.605 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 y)) (/ 1 x))) (* 1 (* 1 (/ 1 (/ 1 x))))) into (+ x (* 1/2 (/ y x)))
7.605 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (* 1/2 (/ (/ 1 (- y)) (/ 1 (- x))))) into (- (* 1/2 (/ x y)) (/ 1 x))
7.605 * [approximate]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
7.605 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in y
7.605 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
7.605 * [taylor]: Taking taylor expansion of 1/2 in y
7.605 * [backup-simplify]: Simplify 1/2 into 1/2
7.605 * [taylor]: Taking taylor expansion of (/ x y) in y
7.605 * [taylor]: Taking taylor expansion of x in y
7.605 * [backup-simplify]: Simplify x into x
7.605 * [taylor]: Taking taylor expansion of y in y
7.605 * [backup-simplify]: Simplify 0 into 0
7.605 * [backup-simplify]: Simplify 1 into 1
7.606 * [backup-simplify]: Simplify (/ x 1) into x
7.606 * [taylor]: Taking taylor expansion of (/ 1 x) in y
7.606 * [taylor]: Taking taylor expansion of x in y
7.606 * [backup-simplify]: Simplify x into x
7.606 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
7.606 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
7.606 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
7.606 * [taylor]: Taking taylor expansion of 1/2 in x
7.606 * [backup-simplify]: Simplify 1/2 into 1/2
7.606 * [taylor]: Taking taylor expansion of (/ x y) in x
7.606 * [taylor]: Taking taylor expansion of x in x
7.606 * [backup-simplify]: Simplify 0 into 0
7.606 * [backup-simplify]: Simplify 1 into 1
7.606 * [taylor]: Taking taylor expansion of y in x
7.606 * [backup-simplify]: Simplify y into y
7.606 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
7.606 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.606 * [taylor]: Taking taylor expansion of x in x
7.606 * [backup-simplify]: Simplify 0 into 0
7.606 * [backup-simplify]: Simplify 1 into 1
7.606 * [backup-simplify]: Simplify (/ 1 1) into 1
7.606 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
7.607 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
7.607 * [taylor]: Taking taylor expansion of 1/2 in x
7.607 * [backup-simplify]: Simplify 1/2 into 1/2
7.607 * [taylor]: Taking taylor expansion of (/ x y) in x
7.607 * [taylor]: Taking taylor expansion of x in x
7.607 * [backup-simplify]: Simplify 0 into 0
7.607 * [backup-simplify]: Simplify 1 into 1
7.607 * [taylor]: Taking taylor expansion of y in x
7.607 * [backup-simplify]: Simplify y into y
7.607 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
7.607 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.607 * [taylor]: Taking taylor expansion of x in x
7.607 * [backup-simplify]: Simplify 0 into 0
7.607 * [backup-simplify]: Simplify 1 into 1
7.607 * [backup-simplify]: Simplify (/ 1 1) into 1
7.608 * [backup-simplify]: Simplify (- 1) into -1
7.608 * [backup-simplify]: Simplify (+ 0 -1) into -1
7.608 * [taylor]: Taking taylor expansion of -1 in y
7.608 * [backup-simplify]: Simplify -1 into -1
7.609 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.609 * [backup-simplify]: Simplify (- 0) into 0
7.609 * [backup-simplify]: Simplify (+ 0 0) into 0
7.609 * [taylor]: Taking taylor expansion of 0 in y
7.609 * [backup-simplify]: Simplify 0 into 0
7.609 * [backup-simplify]: Simplify -1 into -1
7.610 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
7.610 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.611 * [backup-simplify]: Simplify (- 0) into 0
7.611 * [backup-simplify]: Simplify (+ (/ 1/2 y) 0) into (* 1/2 (/ 1 y))
7.611 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
7.611 * [taylor]: Taking taylor expansion of 1/2 in y
7.611 * [backup-simplify]: Simplify 1/2 into 1/2
7.611 * [taylor]: Taking taylor expansion of (/ 1 y) in y
7.611 * [taylor]: Taking taylor expansion of y in y
7.611 * [backup-simplify]: Simplify 0 into 0
7.611 * [backup-simplify]: Simplify 1 into 1
7.611 * [backup-simplify]: Simplify (/ 1 1) into 1
7.612 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
7.612 * [backup-simplify]: Simplify 1/2 into 1/2
7.612 * [backup-simplify]: Simplify 0 into 0
7.612 * [backup-simplify]: Simplify 0 into 0
7.612 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
7.612 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
7.613 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.613 * [backup-simplify]: Simplify (- 0) into 0
7.614 * [backup-simplify]: Simplify (+ 0 0) into 0
7.614 * [taylor]: Taking taylor expansion of 0 in y
7.614 * [backup-simplify]: Simplify 0 into 0
7.615 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.615 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
7.615 * [backup-simplify]: Simplify 0 into 0
7.615 * [backup-simplify]: Simplify 0 into 0
7.615 * [backup-simplify]: Simplify 0 into 0
7.615 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
7.616 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
7.617 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.617 * [backup-simplify]: Simplify (- 0) into 0
7.618 * [backup-simplify]: Simplify (+ 0 0) into 0
7.618 * [taylor]: Taking taylor expansion of 0 in y
7.618 * [backup-simplify]: Simplify 0 into 0
7.618 * [backup-simplify]: Simplify 0 into 0
7.618 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))) (* -1 (* 1 (/ 1 (/ 1 (- x)))))) into (+ x (* 1/2 (/ y x)))
7.618 * * * [progress]: simplifying candidates
7.619 * [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)))
7.619 * * [simplify]: Extracting # 0 : cost  0
7.619 * * [simplify]: Extracting # 1 : cost  0
7.619 * * [simplify]: Extracting # 2 : cost  0
7.619 * * [simplify]: Extracting # 3 : cost  0
7.620 * * [simplify]: Extracting # 4 : cost  0
7.620 * * [simplify]: Extracting # 5 : cost  0
7.620 * * [simplify]: Extracting # 6 : cost  0
7.620 * * [simplify]: iteration  0 :  27  enodes  (cost  166 )
7.633 * * [simplify]: Extracting # 0 : cost  0
7.633 * * [simplify]: Extracting # 1 : cost  0
7.633 * * [simplify]: Extracting # 2 : cost  0
7.633 * * [simplify]: Extracting # 3 : cost  0
7.633 * * [simplify]: iteration  1 :  86  enodes  (cost  157 )
7.668 * * [simplify]: Extracting # 0 : cost  0
7.669 * * [simplify]: Extracting # 1 : cost  0
7.669 * * [simplify]: Extracting # 2 : cost  0
7.669 * * [simplify]: Extracting # 3 : cost  0
7.669 * * [simplify]: Extracting # 4 : cost  0
7.670 * * [simplify]: Extracting # 5 : cost  0
7.670 * * [simplify]: iteration  2 :  294  enodes  (cost  143 )
7.868 * * [simplify]: Extracting # 0 : cost  0
7.873 * * [simplify]: Extracting # 1 : cost  0
7.875 * * [simplify]: Extracting # 2 : cost  0
7.876 * * [simplify]: Extracting # 3 : cost  0
7.877 * * [simplify]: Extracting # 4 : cost  0
7.879 * * [simplify]: iteration  3 :  964  enodes  (cost  143 )
8.783 * * [simplify]: Extracting # 0 : cost  0
8.790 * * [simplify]: Extracting # 1 : cost  0
8.793 * * [simplify]: Extracting # 2 : cost  0
8.796 * * [simplify]: Extracting # 3 : cost  0
8.798 * * [simplify]: Extracting # 4 : cost  0
8.801 * * [simplify]: iteration  4 :  3062  enodes  (cost  143 )
10.334 * * [simplify]: Extracting # 0 : cost  0
10.342 * * [simplify]: Extracting # 1 : cost  0
10.352 * * [simplify]: Extracting # 2 : cost  0
10.357 * * [simplify]: Extracting # 3 : cost  0
10.362 * * [simplify]: Extracting # 4 : cost  0
10.366 * * [simplify]: iteration done:  5000  enodes  (cost  143 )
10.367 * [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)))
10.367 * * * [progress]: adding candidates to table
10.389 * [progress]: [Phase 3 of 3] Extracting.
10.389 * * [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))>)
10.389 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (+ (* x x) y) (sqrt (+ (* x x) y)) y x)
10.389 * * * * [regimes]: Trying to branch on (* x x) from (#<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))>)
10.407 * * * * [regimes]: Trying to branch on (+ (* x x) y) from (#<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))>)
10.424 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) y)) from (#<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))>)
10.450 * * * * [regimes]: Trying to branch on y from (#<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))>)
10.494 * * * * [regimes]: Trying to branch on x from (#<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))>)
10.520 * * * [regime]: Found split indices: #<option (#s(si 2 43) #s(si 1 198) #s(si 0 255))>
10.520 * [binary-search]: Improving bounds with binary search for x and (#<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))>)
10.583 * [regimes]: Found splitpoints: (#s(sp 2 x -1.3303999492099964e+154) #s(sp 1 x 6.063771965228405e+84) #s(sp 0 x +nan.0)) , with alts (#<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))>)
10.584 * [simplify]: Simplifying:
  (if (<= x -1.3303999492099964e+154) (- (* (/ y x) -1/2) x) (if (<= x 6.063771965228405e+84) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
10.584 * * [simplify]: Extracting # 0 : cost  0
10.584 * * [simplify]: Extracting # 1 : cost  0
10.584 * * [simplify]: Extracting # 2 : cost  0
10.584 * * [simplify]: Extracting # 3 : cost  0
10.584 * * [simplify]: Extracting # 4 : cost  0
10.584 * * [simplify]: Extracting # 5 : cost  0
10.584 * * [simplify]: Extracting # 6 : cost  0
10.584 * * [simplify]: Extracting # 7 : cost  0
10.584 * * [simplify]: iteration  0 :  18  enodes  (cost  28 )
10.585 * * [simplify]: Extracting # 0 : cost  0
10.585 * * [simplify]: iteration  1 :  22  enodes  (cost  28 )
10.586 * * [simplify]: Extracting # 0 : cost  0
10.586 * * [simplify]: iteration done:  22  enodes  (cost  28 )
10.586 * [simplify]: Simplified to:
  (if (<= x -1.3303999492099964e+154) (- (* (/ y x) -1/2) x) (if (<= x 6.063771965228405e+84) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
11.922 * [regime-testing]: Baseline error score: 20.93499187398425
11.924 * [regime-testing]: Oracle error score: 0.002750343792974122
11.933 * [regime-testing]: End program error score: 0.26422314913338235
11.980 * [regime-testing]: Target error score: 0.5165771228967615