32.332 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.084 * * * [progress]: [2/2] Setting up program.
0.085 * [progress]: [Phase 2 of 3] Improving.
0.086 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt.f64 (+.f64 (*.f64 x x) y))
0.090 * * [simplify]: iteration  0 :  6  enodes  (cost  6 )
0.090 * * [simplify]: iteration  1 :  6  enodes  (cost  6 )
0.091 * [simplify]: Simplified to:
   (sqrt.f64 (+.f64 (*.f64 x x) y))
0.091 * * [progress]: iteration 1 / 4
0.091 * * * [progress]: picking best candidate
0.092 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))>
0.092 * * * [progress]: localizing error
0.096 * * * [progress]: generating rewritten candidates
0.096 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.101 * * * [progress]: generating series expansions
0.101 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.101 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.101 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.101 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.101 * [taylor]: Taking taylor expansion of x in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.102 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.102 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.102 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.102 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.102 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.103 * [taylor]: Taking taylor expansion of 1/2 in y
0.103 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.104 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.104 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.104 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.104 * [taylor]: Taking taylor expansion of x in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.104 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.104 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.105 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.105 * [taylor]: Taking taylor expansion of y in x
0.105 * [taylor]: Taking taylor expansion of 1 in y
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.105 * [taylor]: Taking taylor expansion of 1/2 in y
0.105 * [taylor]: Taking taylor expansion of y in y
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.106 * [taylor]: Taking taylor expansion of -1/8 in y
0.106 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.106 * [taylor]: Taking taylor expansion of y in y
0.106 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.106 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.106 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.106 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.106 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.106 * [taylor]: Taking taylor expansion of x in y
0.106 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.106 * [taylor]: Taking taylor expansion of y in y
0.106 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.106 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.107 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.107 * [taylor]: Taking taylor expansion of y in x
0.107 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.107 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.107 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.107 * [taylor]: Taking taylor expansion of y in x
0.107 * [taylor]: Taking taylor expansion of 1 in y
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.107 * [taylor]: Taking taylor expansion of (/ -1/2 y) in y
0.107 * [taylor]: Taking taylor expansion of -1/2 in y
0.107 * [taylor]: Taking taylor expansion of y in y
0.108 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.108 * [taylor]: Taking taylor expansion of -1/8 in y
0.108 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.108 * * * [progress]: simplifying candidates
0.109 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (exp.f64 (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)))
  (*.f64 (*.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)) (sqrt.f64 (+.f64 (*.f64 x x) 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))
  (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))
  (/.f64 1 2)
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.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))))
0.167 * * [simplify]: iteration  0 :  4926  enodes  (cost  159 )
0.167 * * [simplify]: iteration  1 :  4926  enodes  (cost  159 )
0.168 * [simplify]: Simplified to:
   (log.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (exp.f64 (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)))
  (pow.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)) 3)
  (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))
  (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))
  1/2
  (sqrt.f64 (sqrt.f64 (+.f64 (*.f64 x x) y)))
  (sqrt.f64 (sqrt.f64 (+.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)
0.168 * * * [progress]: adding candidates to table
0.178 * * [progress]: iteration 2 / 4
0.178 * * * [progress]: picking best candidate
0.181 * * * * [pick]: Picked  #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>
0.181 * * * [progress]: localizing error
0.186 * * * [progress]: generating rewritten candidates
0.186 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.189 * * * [progress]: generating series expansions
0.189 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.189 * [approximate]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in (x y) around 0
0.190 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
0.190 * [taylor]: Taking taylor expansion of x in y
0.190 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.190 * [taylor]: Taking taylor expansion of 1/2 in y
0.190 * [taylor]: Taking taylor expansion of (/ y x) in y
0.190 * [taylor]: Taking taylor expansion of y in y
0.190 * [taylor]: Taking taylor expansion of x in y
0.192 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.192 * [taylor]: Taking taylor expansion of 1/2 in x
0.192 * [taylor]: Taking taylor expansion of (/ y x) in x
0.192 * [taylor]: Taking taylor expansion of y in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.192 * [taylor]: Taking taylor expansion of 1/2 in x
0.192 * [taylor]: Taking taylor expansion of (/ y x) in x
0.192 * [taylor]: Taking taylor expansion of y in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.192 * [taylor]: Taking taylor expansion of 1/2 in y
0.193 * [taylor]: Taking taylor expansion of y in y
0.193 * [taylor]: Taking taylor expansion of 0 in y
0.193 * [taylor]: Taking taylor expansion of 1 in y
0.193 * [taylor]: Taking taylor expansion of 0 in y
0.193 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
0.193 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
0.193 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.193 * [taylor]: Taking taylor expansion of 1/2 in y
0.193 * [taylor]: Taking taylor expansion of (/ x y) in y
0.193 * [taylor]: Taking taylor expansion of x in y
0.193 * [taylor]: Taking taylor expansion of y in y
0.193 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.194 * [taylor]: Taking taylor expansion of x in y
0.194 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
0.194 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.194 * [taylor]: Taking taylor expansion of 1/2 in x
0.194 * [taylor]: Taking taylor expansion of (/ x y) in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of y in x
0.194 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
0.194 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.194 * [taylor]: Taking taylor expansion of 1/2 in x
0.194 * [taylor]: Taking taylor expansion of (/ x y) in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of y in x
0.194 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of 1 in y
0.194 * [taylor]: Taking taylor expansion of 0 in y
0.194 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.194 * [taylor]: Taking taylor expansion of 1/2 in y
0.194 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.194 * [taylor]: Taking taylor expansion of y in y
0.194 * [taylor]: Taking taylor expansion of 0 in y
0.195 * [taylor]: Taking taylor expansion of 0 in y
0.195 * [approximate]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
0.195 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in y
0.195 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.195 * [taylor]: Taking taylor expansion of 1/2 in y
0.195 * [taylor]: Taking taylor expansion of (/ x y) in y
0.195 * [taylor]: Taking taylor expansion of x in y
0.195 * [taylor]: Taking taylor expansion of y in y
0.195 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.195 * [taylor]: Taking taylor expansion of x in y
0.195 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
0.195 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.195 * [taylor]: Taking taylor expansion of 1/2 in x
0.195 * [taylor]: Taking taylor expansion of (/ x y) in x
0.195 * [taylor]: Taking taylor expansion of x in x
0.195 * [taylor]: Taking taylor expansion of y in x
0.195 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.195 * [taylor]: Taking taylor expansion of x in x
0.195 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
0.195 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.195 * [taylor]: Taking taylor expansion of 1/2 in x
0.195 * [taylor]: Taking taylor expansion of (/ x y) in x
0.195 * [taylor]: Taking taylor expansion of x in x
0.195 * [taylor]: Taking taylor expansion of y in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of -1 in y
0.196 * [taylor]: Taking taylor expansion of 0 in y
0.196 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.196 * [taylor]: Taking taylor expansion of 1/2 in y
0.196 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.196 * [taylor]: Taking taylor expansion of y in y
0.196 * [taylor]: Taking taylor expansion of 0 in y
0.196 * [taylor]: Taking taylor expansion of 0 in y
0.197 * * * [progress]: simplifying candidates
0.197 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (exp.f64 x) (exp.f64 (*.f64 1/2 (/.f64 y x))))
  (log.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (exp.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (*.f64 (cbrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x)))) (cbrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x)))))
  (cbrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (*.f64 (*.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))) (+.f64 x (*.f64 1/2 (/.f64 y x)))) (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (sqrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (sqrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (+.f64 (pow.f64 x 3) (pow.f64 (*.f64 1/2 (/.f64 y x)) 3))
  (+.f64 (*.f64 x x) (-.f64 (*.f64 (*.f64 1/2 (/.f64 y x)) (*.f64 1/2 (/.f64 y x))) (*.f64 x (*.f64 1/2 (/.f64 y x)))))
  (-.f64 (*.f64 x x) (*.f64 (*.f64 1/2 (/.f64 y x)) (*.f64 1/2 (/.f64 y x))))
  (-.f64 x (*.f64 1/2 (/.f64 y x)))
  (+.f64 x (*.f64 1/2 (/.f64 y x)))
  (+.f64 x (*.f64 1/2 (/.f64 y x)))
  (+.f64 x (*.f64 1/2 (/.f64 y x)))
0.257 * * [simplify]: iteration  0 :  5032  enodes  (cost  143 )
0.258 * [simplify]: Simplified to:
   (*.f64 (exp.f64 x) (sqrt.f64 (exp.f64 (/.f64 y x))))
  (log.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (*.f64 (exp.f64 x) (sqrt.f64 (exp.f64 (/.f64 y x))))
  (*.f64 (cbrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x)))) (cbrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x)))))
  (cbrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (pow.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))) 3)
  (sqrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (sqrt.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (+.f64 (pow.f64 x 3) (pow.f64 (*.f64 1/2 (/.f64 y x)) 3))
  (+.f64 (*.f64 x x) (-.f64 (*.f64 (/.f64 y x) (*.f64 (/.f64 y x) 1/4)) (*.f64 1/2 y)))
  (-.f64 (*.f64 x x) (*.f64 (/.f64 y x) (*.f64 (/.f64 y x) 1/4)))
  (-.f64 x (*.f64 1/2 (/.f64 y x)))
  (+.f64 x (*.f64 1/2 (/.f64 y x)))
  (+.f64 x (*.f64 1/2 (/.f64 y x)))
  (+.f64 x (*.f64 1/2 (/.f64 y x)))
0.258 * * * [progress]: adding candidates to table
0.264 * * [progress]: iteration 3 / 4
0.264 * * * [progress]: picking best candidate
0.266 * * * * [pick]: Picked  #<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))>
0.266 * * * [progress]: localizing error
0.270 * * * [progress]: generating rewritten candidates
0.270 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.277 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.284 * * * [progress]: generating series expansions
0.284 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.285 * [approximate]: Taking taylor expansion of (* -1/2 (/ y x)) in (y x) around 0
0.285 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in x
0.285 * [taylor]: Taking taylor expansion of -1/2 in x
0.285 * [taylor]: Taking taylor expansion of (/ y x) in x
0.285 * [taylor]: Taking taylor expansion of y in x
0.285 * [taylor]: Taking taylor expansion of x in x
0.285 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in y
0.285 * [taylor]: Taking taylor expansion of -1/2 in y
0.285 * [taylor]: Taking taylor expansion of (/ y x) in y
0.285 * [taylor]: Taking taylor expansion of y in y
0.285 * [taylor]: Taking taylor expansion of x in y
0.285 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in y
0.285 * [taylor]: Taking taylor expansion of -1/2 in y
0.285 * [taylor]: Taking taylor expansion of (/ y x) in y
0.285 * [taylor]: Taking taylor expansion of y in y
0.285 * [taylor]: Taking taylor expansion of x in y
0.285 * [taylor]: Taking taylor expansion of (/ -1/2 x) in x
0.285 * [taylor]: Taking taylor expansion of -1/2 in x
0.285 * [taylor]: Taking taylor expansion of x in x
0.285 * [taylor]: Taking taylor expansion of 0 in x
0.285 * [taylor]: Taking taylor expansion of 0 in x
0.286 * [taylor]: Taking taylor expansion of 0 in x
0.286 * [approximate]: Taking taylor expansion of (* -1/2 (/ x y)) in (y x) around 0
0.286 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in x
0.286 * [taylor]: Taking taylor expansion of -1/2 in x
0.286 * [taylor]: Taking taylor expansion of (/ x y) in x
0.286 * [taylor]: Taking taylor expansion of x in x
0.286 * [taylor]: Taking taylor expansion of y in x
0.286 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.286 * [taylor]: Taking taylor expansion of -1/2 in y
0.286 * [taylor]: Taking taylor expansion of (/ x y) in y
0.286 * [taylor]: Taking taylor expansion of x in y
0.286 * [taylor]: Taking taylor expansion of y in y
0.286 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.286 * [taylor]: Taking taylor expansion of -1/2 in y
0.286 * [taylor]: Taking taylor expansion of (/ x y) in y
0.286 * [taylor]: Taking taylor expansion of x in y
0.286 * [taylor]: Taking taylor expansion of y in y
0.286 * [taylor]: Taking taylor expansion of (* -1/2 x) in x
0.286 * [taylor]: Taking taylor expansion of -1/2 in x
0.286 * [taylor]: Taking taylor expansion of x in x
0.286 * [taylor]: Taking taylor expansion of 0 in x
0.286 * [taylor]: Taking taylor expansion of 0 in x
0.287 * [taylor]: Taking taylor expansion of 0 in x
0.287 * [approximate]: Taking taylor expansion of (* -1/2 (/ x y)) in (y x) around 0
0.287 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in x
0.287 * [taylor]: Taking taylor expansion of -1/2 in x
0.287 * [taylor]: Taking taylor expansion of (/ x y) in x
0.287 * [taylor]: Taking taylor expansion of x in x
0.287 * [taylor]: Taking taylor expansion of y in x
0.287 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.287 * [taylor]: Taking taylor expansion of -1/2 in y
0.287 * [taylor]: Taking taylor expansion of (/ x y) in y
0.287 * [taylor]: Taking taylor expansion of x in y
0.287 * [taylor]: Taking taylor expansion of y in y
0.287 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.287 * [taylor]: Taking taylor expansion of -1/2 in y
0.287 * [taylor]: Taking taylor expansion of (/ x y) in y
0.287 * [taylor]: Taking taylor expansion of x in y
0.287 * [taylor]: Taking taylor expansion of y in y
0.287 * [taylor]: Taking taylor expansion of (* -1/2 x) in x
0.287 * [taylor]: Taking taylor expansion of -1/2 in x
0.287 * [taylor]: Taking taylor expansion of x in x
0.287 * [taylor]: Taking taylor expansion of 0 in x
0.288 * [taylor]: Taking taylor expansion of 0 in x
0.288 * [taylor]: Taking taylor expansion of 0 in x
0.288 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.288 * [approximate]: Taking taylor expansion of (neg (+ x (* 1/2 (/ y x)))) in (y x) around 0
0.288 * [taylor]: Taking taylor expansion of (neg (+ x (* 1/2 (/ y x)))) in x
0.288 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
0.288 * [taylor]: Taking taylor expansion of x in x
0.288 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.288 * [taylor]: Taking taylor expansion of 1/2 in x
0.288 * [taylor]: Taking taylor expansion of (/ y x) in x
0.288 * [taylor]: Taking taylor expansion of y in x
0.288 * [taylor]: Taking taylor expansion of x in x
0.288 * [taylor]: Taking taylor expansion of (neg (+ x (* 1/2 (/ y x)))) in y
0.288 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
0.288 * [taylor]: Taking taylor expansion of x in y
0.288 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.288 * [taylor]: Taking taylor expansion of 1/2 in y
0.288 * [taylor]: Taking taylor expansion of (/ y x) in y
0.288 * [taylor]: Taking taylor expansion of y in y
0.288 * [taylor]: Taking taylor expansion of x in y
0.288 * [taylor]: Taking taylor expansion of (neg (+ x (* 1/2 (/ y x)))) in y
0.288 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
0.288 * [taylor]: Taking taylor expansion of x in y
0.288 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.288 * [taylor]: Taking taylor expansion of 1/2 in y
0.288 * [taylor]: Taking taylor expansion of (/ y x) in y
0.288 * [taylor]: Taking taylor expansion of y in y
0.288 * [taylor]: Taking taylor expansion of x in y
0.289 * [taylor]: Taking taylor expansion of (neg x) in x
0.289 * [taylor]: Taking taylor expansion of x in x
0.289 * [taylor]: Taking taylor expansion of (neg (* 1/2 (/ 1 x))) in x
0.289 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.289 * [taylor]: Taking taylor expansion of 1/2 in x
0.289 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.289 * [taylor]: Taking taylor expansion of x in x
0.289 * [taylor]: Taking taylor expansion of 0 in x
0.289 * [taylor]: Taking taylor expansion of 0 in x
0.289 * [taylor]: Taking taylor expansion of 0 in x
0.290 * [approximate]: Taking taylor expansion of (neg (+ (* 1/2 (/ x y)) (/ 1 x))) in (y x) around 0
0.290 * [taylor]: Taking taylor expansion of (neg (+ (* 1/2 (/ x y)) (/ 1 x))) in x
0.290 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
0.290 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.290 * [taylor]: Taking taylor expansion of 1/2 in x
0.290 * [taylor]: Taking taylor expansion of (/ x y) in x
0.290 * [taylor]: Taking taylor expansion of x in x
0.290 * [taylor]: Taking taylor expansion of y in x
0.290 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.290 * [taylor]: Taking taylor expansion of x in x
0.290 * [taylor]: Taking taylor expansion of (neg (+ (* 1/2 (/ x y)) (/ 1 x))) in y
0.290 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
0.290 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.290 * [taylor]: Taking taylor expansion of 1/2 in y
0.290 * [taylor]: Taking taylor expansion of (/ x y) in y
0.290 * [taylor]: Taking taylor expansion of x in y
0.290 * [taylor]: Taking taylor expansion of y in y
0.290 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.290 * [taylor]: Taking taylor expansion of x in y
0.290 * [taylor]: Taking taylor expansion of (neg (+ (* 1/2 (/ x y)) (/ 1 x))) in y
0.290 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
0.290 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.290 * [taylor]: Taking taylor expansion of 1/2 in y
0.290 * [taylor]: Taking taylor expansion of (/ x y) in y
0.290 * [taylor]: Taking taylor expansion of x in y
0.290 * [taylor]: Taking taylor expansion of y in y
0.290 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.290 * [taylor]: Taking taylor expansion of x in y
0.291 * [taylor]: Taking taylor expansion of (neg (* 1/2 x)) in x
0.291 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.291 * [taylor]: Taking taylor expansion of 1/2 in x
0.291 * [taylor]: Taking taylor expansion of x in x
0.291 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.291 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.291 * [taylor]: Taking taylor expansion of x in x
0.291 * [taylor]: Taking taylor expansion of 0 in x
0.291 * [taylor]: Taking taylor expansion of 0 in x
0.292 * [taylor]: Taking taylor expansion of 0 in x
0.292 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in (y x) around 0
0.292 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in x
0.292 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.292 * [taylor]: Taking taylor expansion of x in x
0.292 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.292 * [taylor]: Taking taylor expansion of 1/2 in x
0.292 * [taylor]: Taking taylor expansion of (/ x y) in x
0.292 * [taylor]: Taking taylor expansion of x in x
0.292 * [taylor]: Taking taylor expansion of y in x
0.292 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
0.292 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.292 * [taylor]: Taking taylor expansion of x in y
0.292 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.292 * [taylor]: Taking taylor expansion of 1/2 in y
0.292 * [taylor]: Taking taylor expansion of (/ x y) in y
0.292 * [taylor]: Taking taylor expansion of x in y
0.292 * [taylor]: Taking taylor expansion of y in y
0.292 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
0.292 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.292 * [taylor]: Taking taylor expansion of x in y
0.292 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.292 * [taylor]: Taking taylor expansion of 1/2 in y
0.292 * [taylor]: Taking taylor expansion of (/ x y) in y
0.292 * [taylor]: Taking taylor expansion of x in y
0.292 * [taylor]: Taking taylor expansion of y in y
0.293 * [taylor]: Taking taylor expansion of (neg (* 1/2 x)) in x
0.293 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.293 * [taylor]: Taking taylor expansion of 1/2 in x
0.293 * [taylor]: Taking taylor expansion of x in x
0.293 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.293 * [taylor]: Taking taylor expansion of x in x
0.293 * [taylor]: Taking taylor expansion of 0 in x
0.293 * [taylor]: Taking taylor expansion of 0 in x
0.294 * [taylor]: Taking taylor expansion of 0 in x
0.294 * * * [progress]: simplifying candidates
0.295 * [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)))
  (log.f64 (*.f64 y (/.f64 -1/2 x)))
  (exp.f64 (*.f64 y (/.f64 -1/2 x)))
  (*.f64 (*.f64 (*.f64 y y) y) (/.f64 (*.f64 (*.f64 -1/2 -1/2) -1/2) (*.f64 (*.f64 x x) x)))
  (*.f64 (*.f64 (*.f64 y y) y) (*.f64 (*.f64 (/.f64 -1/2 x) (/.f64 -1/2 x)) (/.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 (/.f64 -1/2 x)) (*.f64 y (/.f64 -1/2 x))) (*.f64 y (/.f64 -1/2 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 (*.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 (cbrt.f64 y) (/.f64 -1/2 x))
  (*.f64 (sqrt.f64 y) (/.f64 -1/2 x))
  (*.f64 y (/.f64 -1/2 x))
  (*.f64 y -1/2)
  (/.f64 (exp.f64 (*.f64 y (/.f64 -1/2 x))) (exp.f64 x))
  (log.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (exp.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (*.f64 (cbrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x)) (cbrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x)))
  (cbrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (*.f64 (*.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x) (-.f64 (*.f64 y (/.f64 -1/2 x)) x)) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (sqrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (sqrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (-.f64 (pow.f64 (*.f64 y (/.f64 -1/2 x)) 3) (pow.f64 x 3))
  (+.f64 (*.f64 (*.f64 y (/.f64 -1/2 x)) (*.f64 y (/.f64 -1/2 x))) (+.f64 (*.f64 x x) (*.f64 (*.f64 y (/.f64 -1/2 x)) x)))
  (neg.f64 x)
  (-.f64 (*.f64 (*.f64 y (/.f64 -1/2 x)) (*.f64 y (/.f64 -1/2 x))) (*.f64 x x))
  (+.f64 (*.f64 y (/.f64 -1/2 x)) x)
  (*.f64 -1/2 (/.f64 y x))
  (*.f64 -1/2 (/.f64 y x))
  (*.f64 -1/2 (/.f64 y x))
  (neg.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (neg.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
  (neg.f64 (+.f64 x (*.f64 1/2 (/.f64 y x))))
0.336 * * [simplify]: iteration  0 :  5315  enodes  (cost  373 )
0.339 * [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)))
  (log.f64 (*.f64 y (/.f64 -1/2 x)))
  (exp.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))
  (*.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))
  (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 (*.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 (/.f64 -1/2 x) (cbrt.f64 y))
  (*.f64 (/.f64 -1/2 x) (sqrt.f64 y))
  (*.f64 y (/.f64 -1/2 x))
  (*.f64 y -1/2)
  (exp.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (log.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (exp.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (*.f64 (cbrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x)) (cbrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x)))
  (cbrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (pow.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x) 3)
  (sqrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (sqrt.f64 (-.f64 (*.f64 y (/.f64 -1/2 x)) x))
  (-.f64 (*.f64 -1/8 (pow.f64 (/.f64 y x) 3)) (pow.f64 x 3))
  (+.f64 (*.f64 x x) (*.f64 y (+.f64 -1/2 (*.f64 y (/.f64 1/4 (*.f64 x x))))))
  (neg.f64 x)
  (-.f64 (*.f64 (*.f64 y y) (/.f64 1/4 (*.f64 x x))) (*.f64 x x))
  (+.f64 x (*.f64 y (/.f64 -1/2 x)))
  (*.f64 y (/.f64 -1/2 x))
  (*.f64 y (/.f64 -1/2 x))
  (*.f64 y (/.f64 -1/2 x))
  (-.f64 (*.f64 y (/.f64 -1/2 x)) x)
  (-.f64 (*.f64 y (/.f64 -1/2 x)) x)
  (-.f64 (*.f64 y (/.f64 -1/2 x)) x)
0.339 * * * [progress]: adding candidates to table
0.361 * [progress]: [Phase 3 of 3] Extracting.
0.361 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))> #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>)
0.361 * * * [regime-changes]: Trying 5 branch expressions: ((*.f64 x x) (+.f64 (*.f64 x x) y) (sqrt.f64 (+.f64 (*.f64 x x) y)) y x)
0.362 * * * * [regimes]: Trying to branch on (*.f64 x x) from (#<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))> #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>)
0.384 * * * * [regimes]: Trying to branch on (+.f64 (*.f64 x x) y) from (#<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))> #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>)
0.410 * * * * [regimes]: Trying to branch on (sqrt.f64 (+.f64 (*.f64 x x) y)) from (#<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))> #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>)
0.435 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))> #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>)
0.473 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))> #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>)
0.504 * * * [regime]: Found split indices: #<option (#s(si 0 48) #s(si 1 186) #s(si 2 255))>
0.504 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))> #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>)
0.526 * [regimes]: Found splitpoints: (#s(sp 0 x -1.3651068086214808e+154) #s(sp 1 x 2.67516239235005e+84) #s(sp 2 x +nan.0)) , with alts (#<alt (λ (x y) (-.f64 (*.f64 y (/.f64 -1/2 x)) x))> #<alt (λ (x y) (sqrt.f64 (+.f64 (*.f64 x x) y)))> #<alt (λ (x y) (+.f64 x (*.f64 1/2 (/.f64 y x))))>)
0.526 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<=.f64 x -1.3651068086214808e+154) (-.f64 (*.f64 y (/.f64 -1/2 x)) x) (if (<=.f64 x 2.67516239235005e+84) (sqrt.f64 (+.f64 (*.f64 x x) y)) (+.f64 x (*.f64 1/2 (/.f64 y x)))))
0.527 * * [simplify]: iteration  0 :  33  enodes  (cost  28 )
0.527 * * [simplify]: iteration  1 :  33  enodes  (cost  28 )
0.528 * [simplify]: Simplified to:
   (if (<=.f64 x -1.3651068086214808e+154) (-.f64 (*.f64 y (/.f64 -1/2 x)) x) (if (<=.f64 x 2.67516239235005e+84) (sqrt.f64 (+.f64 y (*.f64 x x))) (+.f64 x (*.f64 1/2 (/.f64 y x)))))
1.053 * [regime-testing]: End program error score: 0.22588978034060708
1.111 * [regime-testing]: Target error score: 0.4545018321056692