32.749 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.083 * * * [progress]: [2/2] Setting up program.
0.084 * [progress]: [Phase 2 of 3] Improving.
0.084 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt.f64 (+.f64 (*.f64 x x) y))
0.095 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.095 * * [simplify]: iteration  1 :  7  enodes  (cost  9 )
0.096 * [simplify]: Simplified to:
   (sqrt.f64 (+.f64 (*.f64 x x) y))
0.096 * * [progress]: iteration 1 / 4
0.096 * * * [progress]: picking best candidate
0.097 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>
0.097 * * * [progress]: localizing error
0.101 * * * [progress]: generating rewritten candidates
0.101 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.106 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.110 * * * [progress]: generating series expansions
0.110 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.111 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.111 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.111 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.111 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.111 * [taylor]: Taking taylor expansion of x in y
0.111 * [taylor]: Taking taylor expansion of y in y
0.112 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.112 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [taylor]: Taking taylor expansion of y in x
0.112 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.112 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.113 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of y in x
0.113 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.113 * [taylor]: Taking taylor expansion of y in y
0.113 * [taylor]: Taking taylor expansion of 0 in y
0.114 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.114 * [taylor]: Taking taylor expansion of 1/2 in y
0.114 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.117 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.117 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.117 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.117 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.117 * [taylor]: Taking taylor expansion of x in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.118 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.118 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.119 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.119 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.119 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.119 * [taylor]: Taking taylor expansion of y in x
0.120 * [taylor]: Taking taylor expansion of 1 in y
0.120 * [taylor]: Taking taylor expansion of 0 in y
0.121 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.121 * [taylor]: Taking taylor expansion of 1/2 in y
0.121 * [taylor]: Taking taylor expansion of y in y
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.125 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.125 * [taylor]: Taking taylor expansion of -1/8 in y
0.126 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.126 * [taylor]: Taking taylor expansion of y in y
0.127 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.127 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.127 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.127 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.127 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.127 * [taylor]: Taking taylor expansion of x in y
0.127 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.128 * [taylor]: Taking taylor expansion of y in y
0.128 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.128 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.128 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.128 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.129 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.129 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.129 * [taylor]: Taking taylor expansion of y in x
0.130 * [taylor]: Taking taylor expansion of 1 in y
0.130 * [taylor]: Taking taylor expansion of 0 in y
0.131 * [taylor]: Taking taylor expansion of (/ -1/2 y) in y
0.131 * [taylor]: Taking taylor expansion of -1/2 in y
0.131 * [taylor]: Taking taylor expansion of y in y
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.135 * [taylor]: Taking taylor expansion of -1/8 in y
0.135 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.135 * [taylor]: Taking taylor expansion of y in y
0.137 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.137 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.137 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [taylor]: Taking taylor expansion of 1 in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.138 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.139 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.139 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.139 * [taylor]: Taking taylor expansion of x in y
0.139 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.139 * [taylor]: Taking taylor expansion of y in y
0.139 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.139 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.139 * [taylor]: Taking taylor expansion of y in x
0.139 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.139 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.139 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of 1 in y
0.140 * [taylor]: Taking taylor expansion of 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 * [taylor]: Taking taylor expansion of 0 in y
0.143 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.144 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.144 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.144 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.144 * [taylor]: Taking taylor expansion of x in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.145 * [taylor]: Taking taylor expansion of y in y
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.145 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.145 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.145 * [taylor]: Taking taylor expansion of y in x
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.145 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.145 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.145 * [taylor]: Taking taylor expansion of y in x
0.145 * [taylor]: Taking taylor expansion of 1 in y
0.146 * [taylor]: Taking taylor expansion of 0 in y
0.147 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.147 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.147 * [taylor]: Taking taylor expansion of y in y
0.148 * [taylor]: Taking taylor expansion of 0 in y
0.150 * [taylor]: Taking taylor expansion of 0 in y
0.150 * * * [progress]: simplifying candidates
0.151 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (exp.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (log.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (*.f64 (*.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)) (sqrt.f64 (+.f64 (*.f64 x x) y))) (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (*.f64 (cbrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y))) (cbrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y))))
  (cbrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (/.f64 1 2)
  (sqrt.f64 (+.f64 (pow.f64 (*.f64 x x) 3) (pow.f64 y 3)))
  (sqrt.f64 (+.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (-.f64 (*.f64 y y) (*.f64 (*.f64 x x) y))))
  (sqrt.f64 (-.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (*.f64 y y)))
  (sqrt.f64 (-.f64 (*.f64 x x) y))
  (sqrt.f64 (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) y)) (cbrt.f64 (+.f64 (*.f64 x x) y))))
  (sqrt.f64 (cbrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 1)
  (sqrt.f64 (+.f64 (*.f64 x x) y))
  (*.f64 (exp.f64 (*.f64 x x)) (exp.f64 y))
  (exp.f64 (+.f64 (*.f64 x x) y))
  (log.f64 (+.f64 (*.f64 x x) y))
  (*.f64 (*.f64 (+.f64 (*.f64 x x) y) (+.f64 (*.f64 x x) y)) (+.f64 (*.f64 x x) y))
  (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) y)) (cbrt.f64 (+.f64 (*.f64 x x) y)))
  (cbrt.f64 (+.f64 (*.f64 x x) y))
  (sqrt.f64 (+.f64 (*.f64 x x) y))
  (sqrt.f64 (+.f64 (*.f64 x x) y))
  (+.f64 (pow.f64 (*.f64 x x) 3) (pow.f64 y 3))
  (+.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (-.f64 (*.f64 y y) (*.f64 (*.f64 x x) y)))
  (-.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (*.f64 y y))
  (-.f64 (*.f64 x x) y)
  (+.f64 (*.f64 (pow.f64 NAN.f64 3) (pow.f64 y 2)) (+.f64 (*.f64 NAN.f64 y) (*.f64 1/2 (*.f64 (pow.f64 x 2) NAN.f64))))
  (+.f64 x (*.f64 1/2 (/.f64 y x)))
  (neg.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (+.f64 (pow.f64 x 2) y)
  (+.f64 (pow.f64 x 2) y)
  (+.f64 (pow.f64 x 2) y)
0.270 * * [simplify]: iteration  0 :  4921  enodes  (cost  392 )
0.270 * * [simplify]: iteration  1 :  4921  enodes  (cost  392 )
0.273 * [simplify]: Simplified to:
   (exp.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (log.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (pow.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)) 3)
  (*.f64 (cbrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y))) (cbrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y))))
  (cbrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  1/2
  (sqrt.f64 (+.f64 (pow.f64 x 6) (pow.f64 y 3)))
  (sqrt.f64 (+.f64 (pow.f64 x 4) (*.f64 y (-.f64 y (*.f64 x x)))))
  (sqrt.f64 (-.f64 (pow.f64 x 4) (*.f64 y y)))
  (sqrt.f64 (-.f64 (*.f64 x x) y))
  (fabs.f64 (cbrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (cbrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  1
  (sqrt.f64 (+.f64 (*.f64 x x) y))
  (exp.f64 (+.f64 (*.f64 x x) y))
  (exp.f64 (+.f64 (*.f64 x x) y))
  (log.f64 (+.f64 (*.f64 x x) y))
  (pow.f64 (+.f64 (*.f64 x x) y) 3)
  (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) y)) (cbrt.f64 (+.f64 (*.f64 x x) y)))
  (cbrt.f64 (+.f64 (*.f64 x x) y))
  (sqrt.f64 (+.f64 (*.f64 x x) y))
  (sqrt.f64 (+.f64 (*.f64 x x) y))
  (+.f64 (pow.f64 x 6) (pow.f64 y 3))
  (+.f64 (pow.f64 x 4) (*.f64 y (-.f64 y (*.f64 x x))))
  (-.f64 (pow.f64 x 4) (*.f64 y y))
  (-.f64 (*.f64 x x) y)
  (+.f64 (*.f64 (*.f64 y y) (pow.f64 NAN.f64 3)) (*.f64 NAN.f64 (+.f64 y (*.f64 (*.f64 x x) 1/2))))
  (+.f64 x (*.f64 1/2 (/.f64 y x)))
  (-.f64 (*.f64 y (/.f64 -1/2 x)) x)
  (+.f64 (*.f64 x x) y)
  (+.f64 (*.f64 x x) y)
  (+.f64 (*.f64 x x) y)
0.273 * * * [progress]: adding candidates to table
0.289 * * [progress]: iteration 2 / 4
0.289 * * * [progress]: picking best candidate
0.291 * * * * [pick]: Picked  #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))>
0.291 * * * [progress]: localizing error
0.295 * * * [progress]: generating rewritten candidates
0.295 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.303 * * * [progress]: generating series expansions
0.303 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.304 * [approximate]: Taking taylor expansion of (* -1/2 (/ y x)) in (y x) around 0
0.304 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in x
0.304 * [taylor]: Taking taylor expansion of -1/2 in x
0.304 * [taylor]: Taking taylor expansion of (/ y x) in x
0.304 * [taylor]: Taking taylor expansion of y in x
0.304 * [taylor]: Taking taylor expansion of x in x
0.304 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in y
0.304 * [taylor]: Taking taylor expansion of -1/2 in y
0.304 * [taylor]: Taking taylor expansion of (/ y x) in y
0.304 * [taylor]: Taking taylor expansion of y in y
0.304 * [taylor]: Taking taylor expansion of x in y
0.304 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in y
0.304 * [taylor]: Taking taylor expansion of -1/2 in y
0.304 * [taylor]: Taking taylor expansion of (/ y x) in y
0.304 * [taylor]: Taking taylor expansion of y in y
0.304 * [taylor]: Taking taylor expansion of x in y
0.304 * [taylor]: Taking taylor expansion of (/ -1/2 x) in x
0.304 * [taylor]: Taking taylor expansion of -1/2 in x
0.304 * [taylor]: Taking taylor expansion of x in x
0.305 * [taylor]: Taking taylor expansion of 0 in x
0.306 * [taylor]: Taking taylor expansion of 0 in x
0.308 * [taylor]: Taking taylor expansion of 0 in x
0.309 * [approximate]: Taking taylor expansion of (* -1/2 (/ x y)) in (y x) around 0
0.309 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in x
0.309 * [taylor]: Taking taylor expansion of -1/2 in x
0.309 * [taylor]: Taking taylor expansion of (/ x y) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of y in x
0.309 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.309 * [taylor]: Taking taylor expansion of -1/2 in y
0.309 * [taylor]: Taking taylor expansion of (/ x y) in y
0.309 * [taylor]: Taking taylor expansion of x in y
0.309 * [taylor]: Taking taylor expansion of y in y
0.309 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.309 * [taylor]: Taking taylor expansion of -1/2 in y
0.309 * [taylor]: Taking taylor expansion of (/ x y) in y
0.309 * [taylor]: Taking taylor expansion of x in y
0.309 * [taylor]: Taking taylor expansion of y in y
0.309 * [taylor]: Taking taylor expansion of (* -1/2 x) in x
0.309 * [taylor]: Taking taylor expansion of -1/2 in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.310 * [taylor]: Taking taylor expansion of 0 in x
0.311 * [taylor]: Taking taylor expansion of 0 in x
0.313 * [taylor]: Taking taylor expansion of 0 in x
0.313 * [approximate]: Taking taylor expansion of (* -1/2 (/ x y)) in (y x) around 0
0.313 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in x
0.313 * [taylor]: Taking taylor expansion of -1/2 in x
0.313 * [taylor]: Taking taylor expansion of (/ x y) in x
0.313 * [taylor]: Taking taylor expansion of x in x
0.313 * [taylor]: Taking taylor expansion of y in x
0.314 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.314 * [taylor]: Taking taylor expansion of -1/2 in y
0.314 * [taylor]: Taking taylor expansion of (/ x y) in y
0.314 * [taylor]: Taking taylor expansion of x in y
0.314 * [taylor]: Taking taylor expansion of y in y
0.314 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.314 * [taylor]: Taking taylor expansion of -1/2 in y
0.314 * [taylor]: Taking taylor expansion of (/ x y) in y
0.314 * [taylor]: Taking taylor expansion of x in y
0.314 * [taylor]: Taking taylor expansion of y in y
0.314 * [taylor]: Taking taylor expansion of (* -1/2 x) in x
0.314 * [taylor]: Taking taylor expansion of -1/2 in x
0.314 * [taylor]: Taking taylor expansion of x in x
0.315 * [taylor]: Taking taylor expansion of 0 in x
0.316 * [taylor]: Taking taylor expansion of 0 in x
0.317 * [taylor]: Taking taylor expansion of 0 in x
0.318 * * * [progress]: simplifying candidates
0.318 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 y (/.f64 -1/2 x))
  (+.f64 (log.f64 y) (-.f64 (log.f64 -1/2) (log.f64 x)))
  (+.f64 (log.f64 y) (log.f64 (/.f64 -1/2 x)))
  (exp.f64 (*.f64 y (/.f64 -1/2 x)))
  (log.f64 (*.f64 y (/.f64 -1/2 x)))
  (*.f64 (*.f64 (*.f64 y (/.f64 -1/2 x)) (*.f64 y (/.f64 -1/2 x))) (*.f64 y (/.f64 -1/2 x)))
  (*.f64 (cbrt.f64 (*.f64 y (/.f64 -1/2 x))) (cbrt.f64 (*.f64 y (/.f64 -1/2 x))))
  (cbrt.f64 (*.f64 y (/.f64 -1/2 x)))
  (*.f64 (*.f64 (*.f64 y y) y) (*.f64 (*.f64 (/.f64 -1/2 x) (/.f64 -1/2 x)) (/.f64 -1/2 x)))
  (*.f64 (*.f64 (*.f64 y y) y) (/.f64 (*.f64 (*.f64 -1/2 -1/2) -1/2) (*.f64 (*.f64 x x) x)))
  (sqrt.f64 (*.f64 y (/.f64 -1/2 x)))
  (sqrt.f64 (*.f64 y (/.f64 -1/2 x)))
  (*.f64 (sqrt.f64 y) (sqrt.f64 (/.f64 -1/2 x)))
  (*.f64 (sqrt.f64 y) (sqrt.f64 (/.f64 -1/2 x)))
  (*.f64 (sqrt.f64 y) (/.f64 (sqrt.f64 -1/2) (sqrt.f64 x)))
  (*.f64 (sqrt.f64 y) (/.f64 (sqrt.f64 -1/2) (sqrt.f64 x)))
  (*.f64 y -1/2)
  (*.f64 (cbrt.f64 y) (/.f64 -1/2 x))
  (*.f64 (sqrt.f64 y) (/.f64 -1/2 x))
  (*.f64 y (/.f64 -1/2 x))
  (*.f64 y (*.f64 (cbrt.f64 (/.f64 -1/2 x)) (cbrt.f64 (/.f64 -1/2 x))))
  (*.f64 y (sqrt.f64 (/.f64 -1/2 x)))
  (*.f64 y (/.f64 (*.f64 (cbrt.f64 -1/2) (cbrt.f64 -1/2)) (*.f64 (cbrt.f64 x) (cbrt.f64 x))))
  (*.f64 y (/.f64 (*.f64 (cbrt.f64 -1/2) (cbrt.f64 -1/2)) (sqrt.f64 x)))
  (*.f64 y (/.f64 (*.f64 (cbrt.f64 -1/2) (cbrt.f64 -1/2)) 1))
  (*.f64 y (/.f64 (sqrt.f64 -1/2) (*.f64 (cbrt.f64 x) (cbrt.f64 x))))
  (*.f64 y (/.f64 (sqrt.f64 -1/2) (sqrt.f64 x)))
  (*.f64 y (/.f64 (sqrt.f64 -1/2) 1))
  (*.f64 y (/.f64 1 (*.f64 (cbrt.f64 x) (cbrt.f64 x))))
  (*.f64 y (/.f64 1 (sqrt.f64 x)))
  (*.f64 y (/.f64 1 1))
  (*.f64 y 1)
  (*.f64 y -1/2)
  (*.f64 -1/2 (/.f64 y x))
  (*.f64 -1/2 (/.f64 y x))
  (*.f64 -1/2 (/.f64 y x))
0.446 * * [simplify]: iteration  0 :  4989  enodes  (cost  348 )
0.446 * * [simplify]: iteration  1 :  4989  enodes  (cost  348 )
0.449 * [simplify]: Simplified to:
   (*.f64 y (/.f64 -1/2 x))
  (log.f64 (*.f64 y (/.f64 -1/2 x)))
  (log.f64 (*.f64 y (/.f64 -1/2 x)))
  (exp.f64 (*.f64 y (/.f64 -1/2 x)))
  (log.f64 (*.f64 y (/.f64 -1/2 x)))
  (*.f64 -1/8 (pow.f64 (/.f64 y x) 3))
  (*.f64 (cbrt.f64 (*.f64 y (/.f64 -1/2 x))) (cbrt.f64 (*.f64 y (/.f64 -1/2 x))))
  (cbrt.f64 (*.f64 y (/.f64 -1/2 x)))
  (*.f64 -1/8 (pow.f64 (/.f64 y x) 3))
  (*.f64 -1/8 (pow.f64 (/.f64 y x) 3))
  (sqrt.f64 (*.f64 y (/.f64 -1/2 x)))
  (sqrt.f64 (*.f64 y (/.f64 -1/2 x)))
  (*.f64 (sqrt.f64 y) (sqrt.f64 (/.f64 -1/2 x)))
  (*.f64 (sqrt.f64 y) (sqrt.f64 (/.f64 -1/2 x)))
  (*.f64 (sqrt.f64 y) (/.f64 (sqrt.f64 -1/2) (sqrt.f64 x)))
  (*.f64 (sqrt.f64 y) (/.f64 (sqrt.f64 -1/2) (sqrt.f64 x)))
  (*.f64 y -1/2)
  (*.f64 (/.f64 -1/2 x) (cbrt.f64 y))
  (*.f64 (/.f64 -1/2 x) (sqrt.f64 y))
  (*.f64 y (/.f64 -1/2 x))
  (*.f64 y (*.f64 (cbrt.f64 (/.f64 -1/2 x)) (cbrt.f64 (/.f64 -1/2 x))))
  (*.f64 y (sqrt.f64 (/.f64 -1/2 x)))
  (*.f64 y (/.f64 (*.f64 (cbrt.f64 -1/2) (cbrt.f64 -1/2)) (*.f64 (cbrt.f64 x) (cbrt.f64 x))))
  (*.f64 y (/.f64 (*.f64 (cbrt.f64 -1/2) (cbrt.f64 -1/2)) (sqrt.f64 x)))
  (*.f64 y (*.f64 (cbrt.f64 -1/2) (cbrt.f64 -1/2)))
  (*.f64 y (/.f64 (sqrt.f64 -1/2) (*.f64 (cbrt.f64 x) (cbrt.f64 x))))
  (*.f64 y (/.f64 (sqrt.f64 -1/2) (sqrt.f64 x)))
  (*.f64 y (sqrt.f64 -1/2))
  (/.f64 y (*.f64 (cbrt.f64 x) (cbrt.f64 x)))
  (/.f64 y (sqrt.f64 x))
  y
  y
  (*.f64 y -1/2)
  (*.f64 y (/.f64 -1/2 x))
  (*.f64 y (/.f64 -1/2 x))
  (*.f64 y (/.f64 -1/2 x))
0.449 * * * [progress]: adding candidates to table
0.469 * * [progress]: iteration 3 / 4
0.469 * * * [progress]: picking best candidate
0.470 * * * * [pick]: Picked  #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>
0.470 * * * [progress]: localizing error
0.474 * * * [progress]: generating rewritten candidates
0.474 * * * [progress]: generating series expansions
0.474 * * * [progress]: simplifying candidates
0.474 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.486 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.486 * [simplify]: Simplified to:
   
0.486 * * * [progress]: adding candidates to table
0.486 * [progress]: [Phase 3 of 3] Extracting.
0.486 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))> #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>)
0.486 * * * [regime-changes]: Trying 5 branch expressions: ((*.f64 x x) (+.f64 (*.f64 x x) y) (sqrt.f64 (+.f64 (*.f64 x x) y)) y x)
0.487 * * * * [regimes]: Trying to branch on (*.f64 x x) from (#<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))> #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>)
0.497 * * * * [regimes]: Trying to branch on (+.f64 (*.f64 x x) y) from (#<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))> #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>)
0.511 * * * * [regimes]: Trying to branch on (sqrt.f64 (+.f64 (*.f64 x x) y)) from (#<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))> #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>)
0.524 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))> #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>)
0.550 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))> #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>)
0.581 * * * [regime]: Found split indices: #<option (#s(si 1 42) #s(si 2 215) #s(si 0 255))>
0.581 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))> #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>)
0.614 * [regimes]: Found splitpoints: (#s(sp 1 x -1.3355176168044041e+154) #s(sp 2 x 1.8166674840918218e+147) #s(sp 0 x +nan.0)) , with alts (#<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))> #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>)
0.614 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<=.f64 x -13355176168044040979053955319528265143440163653174692804498384431560761120478265364045474855835041272863217308711843149723321653852486690787831015077314560) (-.f64 (*.f64 y (/.f64 -1/2 x)) x) (if (<=.f64 x 1816667484091821754341202543188640476849293742505282878263172016327811991671234710743406972654152598043242169402170547365580579779034843286503161856) (sqrt.f64 (+.f64 (*.f64 x x) y)) (+.f64 x (*.f64 1/2 (/.f64 y x)))))
0.618 * * [simplify]: iteration  0 :  35  enodes  (cost  41 )
0.618 * * [simplify]: iteration  1 :  35  enodes  (cost  41 )
0.618 * [simplify]: Simplified to:
   (if (<=.f64 x -13355176168044040979053955319528265143440163653174692804498384431560761120478265364045474855835041272863217308711843149723321653852486690787831015077314560) (-.f64 (*.f64 y (/.f64 -1/2 x)) x) (if (<=.f64 x 1816667484091821754341202543188640476849293742505282878263172016327811991671234710743406972654152598043242169402170547365580579779034843286503161856) (sqrt.f64 (+.f64 y (*.f64 x x))) (+.f64 x (*.f64 1/2 (/.f64 y x)))))
1.022 * [regime-testing]: End program error score: 0.01986949882080555
1.051 * [regime-testing]: Target error score: 0.42480169987358907