12.530 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.040 * * * [progress]: [2/2] Setting up program.
0.043 * [progress]: [Phase 2 of 3] Improving.
0.044 * [simplify]: Simplifying:
  (sqrt (+ x y))
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: Extracting # 3 : cost  0
0.044 * * [simplify]: Extracting # 4 : cost  0
0.044 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
0.045 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
0.047 * * [simplify]: Extracting # 0 : cost  0
0.047 * * [simplify]: iteration done:  5  enodes  (cost  4 )
0.047 * [simplify]: Simplified to:
  (sqrt (+ x y))
0.048 * * [progress]: iteration 1 / 4
0.048 * * * [progress]: picking best candidate
0.050 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ x y)))>
0.050 * * * [progress]: localizing error
0.069 * * * [progress]: generating rewritten candidates
0.069 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.085 * * * [progress]: generating series expansions
0.085 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.085 * [backup-simplify]: Simplify (sqrt (+ x y)) into (sqrt (+ x y))
0.085 * [approximate]: Taking taylor expansion of (sqrt (+ x y)) in (x y) around 0
0.085 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in y
0.085 * [taylor]: Taking taylor expansion of (+ x y) in y
0.085 * [taylor]: Taking taylor expansion of x in y
0.085 * [backup-simplify]: Simplify x into x
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 (+ x 0) into x
0.085 * [backup-simplify]: Simplify (sqrt x) into (sqrt x)
0.086 * [backup-simplify]: Simplify (+ 0 1) into 1
0.086 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt x))) into (* 1/2 (sqrt (/ 1 x)))
0.086 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.086 * [taylor]: Taking taylor expansion of (+ x y) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 1 into 1
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [backup-simplify]: Simplify y into y
0.086 * [backup-simplify]: Simplify (+ 0 y) into y
0.086 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.087 * [backup-simplify]: Simplify (+ 1 0) into 1
0.087 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.087 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.087 * [taylor]: Taking taylor expansion of (+ x y) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 1 into 1
0.087 * [taylor]: Taking taylor expansion of y in x
0.087 * [backup-simplify]: Simplify y into y
0.087 * [backup-simplify]: Simplify (+ 0 y) into y
0.087 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.088 * [backup-simplify]: Simplify (+ 1 0) into 1
0.088 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.088 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 1 into 1
0.089 * [backup-simplify]: Simplify (sqrt 0) into 0
0.090 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.090 * [taylor]: Taking taylor expansion of 1/2 in y
0.090 * [backup-simplify]: Simplify 1/2 into 1/2
0.090 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
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 (sqrt 0) into 0
0.093 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.094 * [backup-simplify]: Simplify (+ (* 1/2 +nan.0) (* 0 0)) into (- +nan.0)
0.095 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.095 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.095 * [backup-simplify]: Simplify (+ 0 0) into 0
0.096 * [backup-simplify]: Simplify (/ (- 0 (pow (* 1/2 (sqrt (/ 1 y))) 2) (+)) (* 2 (sqrt y))) into (* -1/8 (sqrt (/ 1 (pow y 3))))
0.096 * [taylor]: Taking taylor expansion of (* -1/8 (sqrt (/ 1 (pow y 3)))) in y
0.096 * [taylor]: Taking taylor expansion of -1/8 in y
0.096 * [backup-simplify]: Simplify -1/8 into -1/8
0.096 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (pow y 3))) in y
0.096 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.096 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 1 into 1
0.096 * [backup-simplify]: Simplify (* 1 1) into 1
0.097 * [backup-simplify]: Simplify (* 1 1) into 1
0.097 * [backup-simplify]: Simplify (/ 1 1) into 1
0.098 * [backup-simplify]: Simplify (sqrt 0) into 0
0.099 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.100 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.101 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.107 * [backup-simplify]: Simplify (+ (* -1/8 +nan.0) (+ (* 0 +nan.0) (* 0 0))) into (- +nan.0)
0.107 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.108 * [backup-simplify]: Simplify (+ (* (- +nan.0) (pow (* 1 x) 2)) (+ (* +nan.0 (* y 1)) (* (- +nan.0) (* 1 x)))) into (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 x) (- (* +nan.0 y))))))
0.109 * [backup-simplify]: Simplify (sqrt (+ (/ 1 x) (/ 1 y))) into (sqrt (+ (/ 1 y) (/ 1 x)))
0.109 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.109 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in y
0.109 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify (/ 1 1) into 1
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.109 * [taylor]: Taking taylor expansion of x in y
0.109 * [backup-simplify]: Simplify x into x
0.109 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.110 * [backup-simplify]: Simplify (+ 1 0) into 1
0.110 * [backup-simplify]: Simplify (sqrt 0) into 0
0.111 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.111 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.112 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.112 * [taylor]: Taking taylor expansion of y in x
0.112 * [backup-simplify]: Simplify y into y
0.112 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.112 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify (/ 1 1) into 1
0.113 * [backup-simplify]: Simplify (+ 0 1) into 1
0.113 * [backup-simplify]: Simplify (sqrt 0) into 0
0.114 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.114 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.114 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.114 * [taylor]: Taking taylor expansion of y in x
0.114 * [backup-simplify]: Simplify y into y
0.115 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.115 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [backup-simplify]: Simplify (/ 1 1) into 1
0.115 * [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 0 in y
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [taylor]: Taking taylor expansion of +nan.0 in y
0.117 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.117 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.118 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.120 * [backup-simplify]: Simplify (/ (- (/ 1 y) (pow +nan.0 2) (+)) (* 2 0)) into (* +nan.0 (- (/ 1 y) +nan.0))
0.120 * [taylor]: Taking taylor expansion of (* +nan.0 (- (/ 1 y) +nan.0)) in y
0.120 * [taylor]: Taking taylor expansion of +nan.0 in y
0.120 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 y) +nan.0) in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in y
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
0.120 * [backup-simplify]: Simplify (/ 1 1) into 1
0.120 * [taylor]: Taking taylor expansion of +nan.0 in y
0.120 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.121 * [backup-simplify]: Simplify (+ 1 0) into 1
0.121 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.121 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.121 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.121 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.123 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (+ 0 0) into 0
0.124 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 (* +nan.0 (- (/ 1 y) +nan.0)))))) (* 2 0)) into (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0)))
0.124 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.124 * [taylor]: Taking taylor expansion of +nan.0 in y
0.124 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.124 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.124 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.124 * [taylor]: Taking taylor expansion of +nan.0 in y
0.124 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.124 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (/ 1 1) into 1
0.125 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.125 * [taylor]: Taking taylor expansion of +nan.0 in y
0.125 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.125 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.126 * [backup-simplify]: Simplify (+ +nan.0 0) into (- +nan.0)
0.126 * [backup-simplify]: Simplify (* +nan.0 (- +nan.0)) into +nan.0
0.126 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.127 * [backup-simplify]: Simplify (+ (* +nan.0 (* (/ 1 (/ 1 y)) (pow (/ 1 x) 2))) (+ +nan.0 (* +nan.0 (* (/ 1 (/ 1 y)) (/ 1 x))))) into (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
0.127 * [backup-simplify]: Simplify (sqrt (+ (/ 1 (- x)) (/ 1 (- y)))) into (sqrt (- (+ (/ 1 y) (/ 1 x))))
0.127 * [approximate]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.127 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in y
0.127 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in y
0.128 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.128 * [taylor]: Taking taylor expansion of y in y
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 1 into 1
0.128 * [backup-simplify]: Simplify (/ 1 1) into 1
0.128 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.128 * [taylor]: Taking taylor expansion of x in y
0.128 * [backup-simplify]: Simplify x into x
0.128 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.129 * [backup-simplify]: Simplify (+ 1 0) into 1
0.129 * [backup-simplify]: Simplify (- 1) into -1
0.129 * [backup-simplify]: Simplify (sqrt 0) into 0
0.130 * [backup-simplify]: Simplify (- 1) into -1
0.131 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.131 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in x
0.131 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in x
0.131 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [backup-simplify]: Simplify y into y
0.131 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.132 * [taylor]: Taking taylor expansion of (/ 1 x) 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 * [backup-simplify]: Simplify (/ 1 1) into 1
0.132 * [backup-simplify]: Simplify (+ 0 1) into 1
0.133 * [backup-simplify]: Simplify (- 1) into -1
0.133 * [backup-simplify]: Simplify (sqrt 0) into 0
0.134 * [backup-simplify]: Simplify (- 1) into -1
0.135 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.135 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in x
0.135 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in x
0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
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 * [taylor]: Taking taylor expansion of (/ 1 x) 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
0.136 * [backup-simplify]: Simplify (/ 1 1) into 1
0.136 * [backup-simplify]: Simplify (+ 0 1) into 1
0.137 * [backup-simplify]: Simplify (- 1) into -1
0.137 * [backup-simplify]: Simplify (sqrt 0) into 0
0.137 * [backup-simplify]: Simplify (- 1) into -1
0.139 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [taylor]: Taking taylor expansion of +nan.0 in y
0.139 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.139 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.140 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.140 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.141 * [backup-simplify]: Simplify (/ (- (- (/ 1 y)) (pow +nan.0 2) (+)) (* 2 0)) into (* +nan.0 (+ (/ 1 y) (- +nan.0)))
0.141 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (/ 1 y) (- +nan.0))) in y
0.141 * [taylor]: Taking taylor expansion of +nan.0 in y
0.141 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.141 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (- +nan.0)) in y
0.141 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.141 * [taylor]: Taking taylor expansion of y in y
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 1 into 1
0.142 * [backup-simplify]: Simplify (/ 1 1) into 1
0.142 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.142 * [taylor]: Taking taylor expansion of +nan.0 in y
0.142 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.143 * [backup-simplify]: Simplify (+ 1 0) into 1
0.143 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.143 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.143 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.145 * [backup-simplify]: Simplify (+ 0 0) into 0
0.145 * [backup-simplify]: Simplify (- 0) into 0
0.147 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 (* +nan.0 (+ (/ 1 y) (- +nan.0))))))) (* 2 0)) into (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0)))
0.147 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.147 * [taylor]: Taking taylor expansion of +nan.0 in y
0.147 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.147 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.147 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.147 * [taylor]: Taking taylor expansion of +nan.0 in y
0.147 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.147 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.147 * [taylor]: Taking taylor expansion of y in y
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 1 into 1
0.147 * [backup-simplify]: Simplify (/ 1 1) into 1
0.147 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.147 * [taylor]: Taking taylor expansion of +nan.0 in y
0.147 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.148 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.148 * [backup-simplify]: Simplify (+ +nan.0 0) into (- +nan.0)
0.149 * [backup-simplify]: Simplify (* +nan.0 (- +nan.0)) into +nan.0
0.149 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.150 * [backup-simplify]: Simplify (+ (* +nan.0 (* (/ 1 (/ 1 (- y))) (pow (/ 1 (- x)) 2))) (+ +nan.0 (* +nan.0 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))))) into (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
0.150 * * * [progress]: simplifying candidates
0.151 * [simplify]: Simplifying:
  (log (sqrt (+ x y)))
  (exp (sqrt (+ x y)))
  (* (cbrt (sqrt (+ x y))) (cbrt (sqrt (+ x y))))
  (cbrt (sqrt (+ x y)))
  (* (* (sqrt (+ x y)) (sqrt (+ x y))) (sqrt (+ x y)))
  (sqrt (* (cbrt (+ x y)) (cbrt (+ x y))))
  (sqrt (cbrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt 1)
  (sqrt (+ x y))
  (sqrt 1)
  (sqrt (+ x y))
  (sqrt (+ (pow x 3) (pow y 3)))
  (sqrt (+ (* x x) (- (* y y) (* x y))))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- x y))
  (/ 1 2)
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 x) (- (* +nan.0 y))))))
  (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
  (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
0.152 * * [simplify]: Extracting # 0 : cost  0
0.152 * * [simplify]: Extracting # 1 : cost  0
0.152 * * [simplify]: Extracting # 2 : cost  0
0.152 * * [simplify]: Extracting # 3 : cost  0
0.152 * * [simplify]: Extracting # 4 : cost  0
0.152 * * [simplify]: Extracting # 5 : cost  0
0.153 * * [simplify]: Extracting # 6 : cost  0
0.153 * * [simplify]: Extracting # 7 : cost  0
0.153 * * [simplify]: Extracting # 8 : cost  0
0.153 * * [simplify]: Extracting # 9 : cost  0
0.153 * * [simplify]: iteration  0 :  53  enodes  (cost  174 )
0.176 * * [simplify]: Extracting # 0 : cost  0
0.176 * * [simplify]: Extracting # 1 : cost  0
0.177 * * [simplify]: Extracting # 2 : cost  0
0.177 * * [simplify]: Extracting # 3 : cost  0
0.177 * * [simplify]: Extracting # 4 : cost  0
0.177 * * [simplify]: Extracting # 5 : cost  0
0.178 * * [simplify]: iteration  1 :  115  enodes  (cost  151 )
0.237 * * [simplify]: Extracting # 0 : cost  0
0.238 * * [simplify]: Extracting # 1 : cost  0
0.238 * * [simplify]: Extracting # 2 : cost  0
0.239 * * [simplify]: Extracting # 3 : cost  0
0.239 * * [simplify]: Extracting # 4 : cost  0
0.240 * * [simplify]: iteration  2 :  240  enodes  (cost  147 )
0.352 * * [simplify]: Extracting # 0 : cost  0
0.353 * * [simplify]: Extracting # 1 : cost  0
0.353 * * [simplify]: Extracting # 2 : cost  0
0.354 * * [simplify]: Extracting # 3 : cost  0
0.354 * * [simplify]: Extracting # 4 : cost  0
0.355 * * [simplify]: iteration  3 :  471  enodes  (cost  137 )
0.655 * * [simplify]: Extracting # 0 : cost  0
0.657 * * [simplify]: Extracting # 1 : cost  0
0.659 * * [simplify]: Extracting # 2 : cost  0
0.660 * * [simplify]: Extracting # 3 : cost  0
0.662 * * [simplify]: Extracting # 4 : cost  0
0.663 * * [simplify]: iteration  4 :  845  enodes  (cost  136 )
1.167 * * [simplify]: Extracting # 0 : cost  0
1.170 * * [simplify]: Extracting # 1 : cost  0
1.172 * * [simplify]: Extracting # 2 : cost  0
1.174 * * [simplify]: Extracting # 3 : cost  0
1.176 * * [simplify]: Extracting # 4 : cost  0
1.178 * * [simplify]: iteration  5 :  1417  enodes  (cost  134 )
2.079 * * [simplify]: Extracting # 0 : cost  0
2.082 * * [simplify]: Extracting # 1 : cost  0
2.085 * * [simplify]: Extracting # 2 : cost  0
2.089 * * [simplify]: Extracting # 3 : cost  0
2.093 * * [simplify]: Extracting # 4 : cost  0
2.097 * * [simplify]: iteration  6 :  2636  enodes  (cost  134 )
3.639 * * [simplify]: Extracting # 0 : cost  0
3.646 * * [simplify]: Extracting # 1 : cost  0
3.655 * * [simplify]: Extracting # 2 : cost  0
3.664 * * [simplify]: Extracting # 3 : cost  0
3.673 * * [simplify]: Extracting # 4 : cost  0
3.682 * * [simplify]: iteration done:  5001  enodes  (cost  134 )
3.682 * [simplify]: Simplified to:
  (log (sqrt (+ x y)))
  (exp (sqrt (+ x y)))
  (* (cbrt (sqrt (+ x y))) (cbrt (sqrt (+ x y))))
  (cbrt (sqrt (+ x y)))
  (pow (sqrt (+ x y)) 3)
  (fabs (cbrt (+ x y)))
  (sqrt (cbrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  1
  (sqrt (+ x y))
  1
  (sqrt (+ x y))
  (sqrt (+ (pow x 3) (pow y 3)))
  (sqrt (+ (* x x) (* y (- y x))))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- x y))
  1/2
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (* (- (- x y) (* x x)) +nan.0)
  (- (* (- y (/ y x)) (/ +nan.0 x)) +nan.0)
  (- (* (- y (/ y x)) (/ +nan.0 x)) +nan.0)
3.682 * * * [progress]: adding candidates to table
3.749 * [progress]: [Phase 3 of 3] Extracting.
3.751 * [simplify]: Simplifying:
  (sqrt (+ x y))
3.751 * * [simplify]: Extracting # 0 : cost  0
3.751 * * [simplify]: Extracting # 1 : cost  0
3.751 * * [simplify]: Extracting # 2 : cost  0
3.751 * * [simplify]: Extracting # 3 : cost  0
3.751 * * [simplify]: Extracting # 4 : cost  0
3.751 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
3.751 * * [simplify]: Extracting # 0 : cost  0
3.751 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
3.751 * * [simplify]: Extracting # 0 : cost  0
3.752 * * [simplify]: iteration done:  5  enodes  (cost  4 )
3.752 * [simplify]: Simplified to:
  (sqrt (+ x y))
5.034 * [regime-testing]: Baseline error score: 0.006875859482435304
5.039 * [regime-testing]: Oracle error score: 0.006875859482435304
5.039 * [regime-testing]: End program error score: 0.006875859482435304