9.032 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.110 * * * [progress]: [2/2] Setting up program.
0.111 * [progress]: [Phase 2 of 3] Improving.
0.113 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y))
0.120 * * [simplify]: iteration  0 :  37  enodes  (cost  13 )
0.120 * * [simplify]: iteration  1 :  37  enodes  (cost  13 )
0.120 * [simplify]: Simplified to:
   (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2)))
0.122 * * [progress]: iteration 1 / 4
0.122 * * * [progress]: picking best candidate
0.122 * * * * [pick]: Picked  #<alt (λ (x y) (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y)))>
0.122 * * * [progress]: localizing error
0.132 * * * [progress]: generating rewritten candidates
0.132 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.143 * * * [progress]: generating series expansions
0.143 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.144 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) (* x y))) in (x y) around 0
0.144 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) (* x y))) in y
0.144 * [taylor]: Taking taylor expansion of 1/2 in y
0.144 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.144 * [taylor]: Taking taylor expansion of (+ x y) in y
0.144 * [taylor]: Taking taylor expansion of x in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.144 * [taylor]: Taking taylor expansion of (* x y) in y
0.144 * [taylor]: Taking taylor expansion of x in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.145 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) (* x y))) in x
0.145 * [taylor]: Taking taylor expansion of 1/2 in x
0.145 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.145 * [taylor]: Taking taylor expansion of (+ x y) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of y in x
0.145 * [taylor]: Taking taylor expansion of (* x y) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of y in x
0.146 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) (* x y))) in x
0.146 * [taylor]: Taking taylor expansion of 1/2 in x
0.146 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.146 * [taylor]: Taking taylor expansion of (+ x y) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of y in x
0.146 * [taylor]: Taking taylor expansion of (* x y) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of y in x
0.147 * [taylor]: Taking taylor expansion of 1/2 in y
0.149 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.149 * [taylor]: Taking taylor expansion of 1/2 in y
0.149 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.149 * [taylor]: Taking taylor expansion of y in y
0.151 * [taylor]: Taking taylor expansion of 0 in y
0.155 * [taylor]: Taking taylor expansion of 0 in y
0.159 * [taylor]: Taking taylor expansion of 0 in y
0.162 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in (x y) around 0
0.162 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in y
0.162 * [taylor]: Taking taylor expansion of 1/2 in y
0.162 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in y
0.162 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.162 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.162 * [taylor]: Taking taylor expansion of x in y
0.162 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.162 * [taylor]: Taking taylor expansion of y in y
0.163 * [taylor]: Taking taylor expansion of (* y x) in y
0.163 * [taylor]: Taking taylor expansion of y in y
0.163 * [taylor]: Taking taylor expansion of x in y
0.163 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.163 * [taylor]: Taking taylor expansion of 1/2 in x
0.163 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.163 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.163 * [taylor]: Taking taylor expansion of y in x
0.163 * [taylor]: Taking taylor expansion of (* y x) in x
0.163 * [taylor]: Taking taylor expansion of y in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.163 * [taylor]: Taking taylor expansion of 1/2 in x
0.163 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.163 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.163 * [taylor]: Taking taylor expansion of y in x
0.164 * [taylor]: Taking taylor expansion of (* y x) in x
0.164 * [taylor]: Taking taylor expansion of y in x
0.164 * [taylor]: Taking taylor expansion of x in x
0.164 * [taylor]: Taking taylor expansion of 0 in y
0.166 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.166 * [taylor]: Taking taylor expansion of 1/2 in y
0.166 * [taylor]: Taking taylor expansion of y in y
0.169 * [taylor]: Taking taylor expansion of 1/2 in y
0.173 * [taylor]: Taking taylor expansion of 0 in y
0.178 * [taylor]: Taking taylor expansion of 0 in y
0.185 * [taylor]: Taking taylor expansion of 0 in y
0.189 * [approximate]: Taking taylor expansion of (* -1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in (x y) around 0
0.189 * [taylor]: Taking taylor expansion of (* -1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in y
0.189 * [taylor]: Taking taylor expansion of -1/2 in y
0.189 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in y
0.189 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.189 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of (* y x) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of (* -1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.189 * [taylor]: Taking taylor expansion of -1/2 in x
0.189 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.189 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.190 * [taylor]: Taking taylor expansion of y in x
0.190 * [taylor]: Taking taylor expansion of (* y x) in x
0.190 * [taylor]: Taking taylor expansion of y in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (* -1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.190 * [taylor]: Taking taylor expansion of -1/2 in x
0.190 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.190 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.190 * [taylor]: Taking taylor expansion of y in x
0.190 * [taylor]: Taking taylor expansion of (* y x) in x
0.190 * [taylor]: Taking taylor expansion of y in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.191 * [taylor]: Taking taylor expansion of 0 in y
0.192 * [taylor]: Taking taylor expansion of (neg (* 1/2 y)) in y
0.192 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.192 * [taylor]: Taking taylor expansion of 1/2 in y
0.192 * [taylor]: Taking taylor expansion of y in y
0.195 * [taylor]: Taking taylor expansion of -1/2 in y
0.199 * [taylor]: Taking taylor expansion of 0 in y
0.203 * [taylor]: Taking taylor expansion of 0 in y
0.210 * [taylor]: Taking taylor expansion of 0 in y
0.212 * * * [progress]: simplifying candidates
0.212 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (log.f64 (+.f64 x y)) (+.f64 (+.f64 (log.f64 x) (log.f64 2)) (log.f64 y)))
  (-.f64 (log.f64 (+.f64 x y)) (+.f64 (log.f64 (*.f64 x 2)) (log.f64 y)))
  (-.f64 (log.f64 (+.f64 x y)) (log.f64 (*.f64 (*.f64 x 2) y)))
  (exp.f64 (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y)))
  (log.f64 (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y)))
  (*.f64 (*.f64 (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y)) (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y))) (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y)))
  (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y))))
  (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y)))
  (/.f64 (*.f64 (*.f64 (+.f64 x y) (+.f64 x y)) (+.f64 x y)) (*.f64 (*.f64 (*.f64 (*.f64 x 2) y) (*.f64 (*.f64 x 2) y)) (*.f64 (*.f64 x 2) y)))
  (/.f64 (*.f64 (*.f64 (+.f64 x y) (+.f64 x y)) (+.f64 x y)) (*.f64 (*.f64 (*.f64 (*.f64 x 2) (*.f64 x 2)) (*.f64 x 2)) (*.f64 (*.f64 y y) y)))
  (/.f64 (*.f64 (*.f64 (+.f64 x y) (+.f64 x y)) (+.f64 x y)) (*.f64 (*.f64 (*.f64 (*.f64 x x) x) (*.f64 (*.f64 2 2) 2)) (*.f64 (*.f64 y y) y)))
  (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y)))
  (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 (*.f64 x 2) y)))
  (neg.f64 (+.f64 x y))
  (neg.f64 (*.f64 (*.f64 x 2) y))
  (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) (*.f64 x 2))
  (/.f64 (cbrt.f64 (+.f64 x y)) y)
  (/.f64 (sqrt.f64 (+.f64 x y)) (*.f64 x 2))
  (/.f64 (sqrt.f64 (+.f64 x y)) y)
  (/.f64 1 (*.f64 x 2))
  (/.f64 (+.f64 x y) y)
  (/.f64 1 (*.f64 x 2))
  (/.f64 (+.f64 x y) y)
  (/.f64 (*.f64 (*.f64 x 2) y) (+.f64 x y))
  (/.f64 1 (*.f64 (*.f64 x 2) y))
  (*.f64 (*.f64 (*.f64 x 2) y) (+.f64 (*.f64 x x) (-.f64 (*.f64 y y) (*.f64 x y))))
  (*.f64 (*.f64 (*.f64 x 2) y) (-.f64 x y))
  (/.f64 (*.f64 (*.f64 x 2) y) (cbrt.f64 (+.f64 x y)))
  (/.f64 (*.f64 (*.f64 x 2) y) (sqrt.f64 (+.f64 x y)))
  (/.f64 (*.f64 (*.f64 x 2) y) (+.f64 x y))
  (/.f64 (*.f64 (*.f64 x 2) y) (+.f64 x y))
  (/.f64 (+.f64 x y) (*.f64 x 2))
  (+.f64 (*.f64 1/2 (/.f64 1 x)) (*.f64 1/2 (/.f64 1 y)))
  (+.f64 (*.f64 1/2 (/.f64 1 x)) (*.f64 1/2 (/.f64 1 y)))
  (+.f64 (*.f64 1/2 (/.f64 1 x)) (*.f64 1/2 (/.f64 1 y)))
0.252 * * [simplify]: iteration  0 :  5355  enodes  (cost  451 )
0.255 * [simplify]: Simplified to:
   (log.f64 (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2))))
  (log.f64 (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2))))
  (log.f64 (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2))))
  (sqrt.f64 (exp.f64 (/.f64 (+.f64 x y) (*.f64 x y))))
  (log.f64 (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2))))
  (/.f64 (pow.f64 (/.f64 (+.f64 x y) (*.f64 x y)) 3) 8)
  (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2)))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2)))))
  (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2))))
  (/.f64 (pow.f64 (/.f64 (+.f64 x y) (*.f64 x y)) 3) 8)
  (/.f64 (pow.f64 (/.f64 (+.f64 x y) (*.f64 x y)) 3) 8)
  (/.f64 (pow.f64 (/.f64 (+.f64 x y) (*.f64 x y)) 3) 8)
  (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2))))
  (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 y (*.f64 x 2))))
  (neg.f64 (+.f64 x y))
  (*.f64 (*.f64 x y) -2)
  (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) (*.f64 x 2))
  (/.f64 (cbrt.f64 (+.f64 x y)) y)
  (/.f64 (sqrt.f64 (+.f64 x y)) (*.f64 x 2))
  (/.f64 (sqrt.f64 (+.f64 x y)) y)
  (/.f64 1/2 x)
  (/.f64 (+.f64 x y) y)
  (/.f64 1/2 x)
  (/.f64 (+.f64 x y) y)
  (/.f64 (*.f64 x 2) (/.f64 (+.f64 x y) y))
  (/.f64 (/.f64 1/2 x) y)
  (*.f64 (*.f64 y (*.f64 x 2)) (+.f64 (*.f64 y y) (*.f64 x (-.f64 x y))))
  (*.f64 (*.f64 y (*.f64 x 2)) (-.f64 x y))
  (/.f64 (*.f64 x 2) (/.f64 (cbrt.f64 (+.f64 x y)) y))
  (/.f64 y (/.f64 (sqrt.f64 (+.f64 x y)) (*.f64 x 2)))
  (/.f64 (*.f64 x 2) (/.f64 (+.f64 x y) y))
  (/.f64 (*.f64 x 2) (/.f64 (+.f64 x y) y))
  (/.f64 (+.f64 x y) (*.f64 x 2))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
0.256 * * * [progress]: adding candidates to table
0.280 * * [progress]: iteration 2 / 4
0.280 * * * [progress]: picking best candidate
0.282 * * * * [pick]: Picked  #<alt (λ (x y) (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))>
0.282 * * * [progress]: localizing error
0.287 * * * [progress]: generating rewritten candidates
0.287 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.302 * * * [progress]: generating series expansions
0.302 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.303 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ 1 x)) (* 1/2 (/ 1 y))) in (x y) around 0
0.303 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 x)) (* 1/2 (/ 1 y))) in y
0.303 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in y
0.303 * [taylor]: Taking taylor expansion of 1/2 in y
0.303 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.303 * [taylor]: Taking taylor expansion of x in y
0.303 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.303 * [taylor]: Taking taylor expansion of 1/2 in y
0.303 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.303 * [taylor]: Taking taylor expansion of y in y
0.303 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 x)) (* 1/2 (/ 1 y))) in x
0.303 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.303 * [taylor]: Taking taylor expansion of 1/2 in x
0.303 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.303 * [taylor]: Taking taylor expansion of x in x
0.303 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.303 * [taylor]: Taking taylor expansion of 1/2 in x
0.303 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.303 * [taylor]: Taking taylor expansion of y in x
0.304 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 x)) (* 1/2 (/ 1 y))) in x
0.304 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.304 * [taylor]: Taking taylor expansion of 1/2 in x
0.304 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.304 * [taylor]: Taking taylor expansion of x in x
0.304 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.304 * [taylor]: Taking taylor expansion of 1/2 in x
0.304 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.304 * [taylor]: Taking taylor expansion of y in x
0.304 * [taylor]: Taking taylor expansion of 1/2 in y
0.306 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.306 * [taylor]: Taking taylor expansion of 1/2 in y
0.306 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.306 * [taylor]: Taking taylor expansion of y in y
0.309 * [taylor]: Taking taylor expansion of 0 in y
0.313 * [taylor]: Taking taylor expansion of 0 in y
0.319 * [taylor]: Taking taylor expansion of 0 in y
0.321 * [approximate]: Taking taylor expansion of (+ (* 1/2 x) (* 1/2 y)) in (x y) around 0
0.321 * [taylor]: Taking taylor expansion of (+ (* 1/2 x) (* 1/2 y)) in y
0.321 * [taylor]: Taking taylor expansion of (* 1/2 x) in y
0.321 * [taylor]: Taking taylor expansion of 1/2 in y
0.321 * [taylor]: Taking taylor expansion of x in y
0.321 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.321 * [taylor]: Taking taylor expansion of 1/2 in y
0.321 * [taylor]: Taking taylor expansion of y in y
0.321 * [taylor]: Taking taylor expansion of (+ (* 1/2 x) (* 1/2 y)) in x
0.321 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.321 * [taylor]: Taking taylor expansion of 1/2 in x
0.321 * [taylor]: Taking taylor expansion of x in x
0.322 * [taylor]: Taking taylor expansion of (* 1/2 y) in x
0.322 * [taylor]: Taking taylor expansion of 1/2 in x
0.322 * [taylor]: Taking taylor expansion of y in x
0.322 * [taylor]: Taking taylor expansion of (+ (* 1/2 x) (* 1/2 y)) in x
0.322 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.322 * [taylor]: Taking taylor expansion of 1/2 in x
0.322 * [taylor]: Taking taylor expansion of x in x
0.322 * [taylor]: Taking taylor expansion of (* 1/2 y) in x
0.322 * [taylor]: Taking taylor expansion of 1/2 in x
0.322 * [taylor]: Taking taylor expansion of y in x
0.322 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.322 * [taylor]: Taking taylor expansion of 1/2 in y
0.322 * [taylor]: Taking taylor expansion of y in y
0.323 * [taylor]: Taking taylor expansion of 1/2 in y
0.325 * [taylor]: Taking taylor expansion of 0 in y
0.327 * [taylor]: Taking taylor expansion of 0 in y
0.330 * [approximate]: Taking taylor expansion of (neg (+ (* 1/2 x) (* 1/2 y))) in (x y) around 0
0.330 * [taylor]: Taking taylor expansion of (neg (+ (* 1/2 x) (* 1/2 y))) in y
0.330 * [taylor]: Taking taylor expansion of (+ (* 1/2 x) (* 1/2 y)) in y
0.330 * [taylor]: Taking taylor expansion of (* 1/2 x) in y
0.330 * [taylor]: Taking taylor expansion of 1/2 in y
0.330 * [taylor]: Taking taylor expansion of x in y
0.330 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.330 * [taylor]: Taking taylor expansion of 1/2 in y
0.330 * [taylor]: Taking taylor expansion of y in y
0.330 * [taylor]: Taking taylor expansion of (neg (+ (* 1/2 x) (* 1/2 y))) in x
0.330 * [taylor]: Taking taylor expansion of (+ (* 1/2 x) (* 1/2 y)) in x
0.330 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.330 * [taylor]: Taking taylor expansion of 1/2 in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.330 * [taylor]: Taking taylor expansion of (* 1/2 y) in x
0.330 * [taylor]: Taking taylor expansion of 1/2 in x
0.330 * [taylor]: Taking taylor expansion of y in x
0.330 * [taylor]: Taking taylor expansion of (neg (+ (* 1/2 x) (* 1/2 y))) in x
0.330 * [taylor]: Taking taylor expansion of (+ (* 1/2 x) (* 1/2 y)) in x
0.330 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.330 * [taylor]: Taking taylor expansion of 1/2 in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.330 * [taylor]: Taking taylor expansion of (* 1/2 y) in x
0.330 * [taylor]: Taking taylor expansion of 1/2 in x
0.330 * [taylor]: Taking taylor expansion of y in x
0.331 * [taylor]: Taking taylor expansion of (neg (* 1/2 y)) in y
0.331 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.331 * [taylor]: Taking taylor expansion of 1/2 in y
0.331 * [taylor]: Taking taylor expansion of y in y
0.333 * [taylor]: Taking taylor expansion of -1/2 in y
0.335 * [taylor]: Taking taylor expansion of 0 in y
0.337 * [taylor]: Taking taylor expansion of 0 in y
0.339 * * * [progress]: simplifying candidates
0.339 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (exp.f64 (/.f64 1/2 x)) (exp.f64 (/.f64 1/2 y)))
  (exp.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (log.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (*.f64 (*.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)) (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))) (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (*.f64 (cbrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))) (cbrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))))
  (cbrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (sqrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (sqrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (+.f64 (*.f64 1/2 y) (*.f64 x 1/2))
  (*.f64 x y)
  (+.f64 (pow.f64 (/.f64 1/2 x) 3) (pow.f64 (/.f64 1/2 y) 3))
  (+.f64 (*.f64 (/.f64 1/2 x) (/.f64 1/2 x)) (-.f64 (*.f64 (/.f64 1/2 y) (/.f64 1/2 y)) (*.f64 (/.f64 1/2 x) (/.f64 1/2 y))))
  (-.f64 (*.f64 (/.f64 1/2 x) (/.f64 1/2 x)) (*.f64 (/.f64 1/2 y) (/.f64 1/2 y)))
  (-.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 (cbrt.f64 1/2) x) (/.f64 (cbrt.f64 1/2) y))
  (+.f64 (/.f64 (sqrt.f64 1/2) x) (/.f64 (sqrt.f64 1/2) y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1 x) (/.f64 1 y))
  (+.f64 (*.f64 1/2 (/.f64 1 x)) (*.f64 1/2 (/.f64 1 y)))
  (+.f64 (*.f64 1/2 (/.f64 1 x)) (*.f64 1/2 (/.f64 1 y)))
  (+.f64 (*.f64 1/2 (/.f64 1 x)) (*.f64 1/2 (/.f64 1 y)))
0.416 * * [simplify]: iteration  0 :  5100  enodes  (cost  274 )
0.418 * [simplify]: Simplified to:
   (exp.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (exp.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (log.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (pow.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)) 3)
  (*.f64 (cbrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))) (cbrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))))
  (cbrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (sqrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (sqrt.f64 (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))
  (*.f64 1/2 (+.f64 x y))
  (*.f64 x y)
  (+.f64 (pow.f64 (/.f64 1/2 x) 3) (pow.f64 (/.f64 1/2 y) 3))
  (+.f64 (/.f64 1/4 (*.f64 x x)) (/.f64 (+.f64 (/.f64 1/4 y) (/.f64 -1/4 x)) y))
  (-.f64 (/.f64 1/4 (*.f64 x x)) (/.f64 1/4 (*.f64 y y)))
  (-.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 (cbrt.f64 1/2) x) (/.f64 (cbrt.f64 1/2) y))
  (+.f64 (/.f64 (sqrt.f64 1/2) x) (/.f64 (sqrt.f64 1/2) y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1 x) (/.f64 1 y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
0.418 * * * [progress]: adding candidates to table
0.431 * * [progress]: iteration 3 / 4
0.431 * * * [progress]: picking best candidate
0.431 * * * * [pick]: Picked  #<alt (λ (x y) (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))>
0.432 * * * [progress]: localizing error
0.438 * * * [progress]: generating rewritten candidates
0.438 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.449 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.462 * * * [progress]: generating series expansions
0.462 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.463 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) (* x y))) in (x y) around 0
0.463 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) (* x y))) in y
0.463 * [taylor]: Taking taylor expansion of 1/2 in y
0.463 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.463 * [taylor]: Taking taylor expansion of (+ x y) in y
0.463 * [taylor]: Taking taylor expansion of x in y
0.463 * [taylor]: Taking taylor expansion of y in y
0.463 * [taylor]: Taking taylor expansion of (* x y) in y
0.463 * [taylor]: Taking taylor expansion of x in y
0.463 * [taylor]: Taking taylor expansion of y in y
0.464 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) (* x y))) in x
0.464 * [taylor]: Taking taylor expansion of 1/2 in x
0.464 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.464 * [taylor]: Taking taylor expansion of (+ x y) in x
0.464 * [taylor]: Taking taylor expansion of x in x
0.464 * [taylor]: Taking taylor expansion of y in x
0.464 * [taylor]: Taking taylor expansion of (* x y) in x
0.464 * [taylor]: Taking taylor expansion of x in x
0.464 * [taylor]: Taking taylor expansion of y in x
0.465 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) (* x y))) in x
0.465 * [taylor]: Taking taylor expansion of 1/2 in x
0.465 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.465 * [taylor]: Taking taylor expansion of (+ x y) in x
0.465 * [taylor]: Taking taylor expansion of x in x
0.465 * [taylor]: Taking taylor expansion of y in x
0.465 * [taylor]: Taking taylor expansion of (* x y) in x
0.465 * [taylor]: Taking taylor expansion of x in x
0.465 * [taylor]: Taking taylor expansion of y in x
0.466 * [taylor]: Taking taylor expansion of 1/2 in y
0.468 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.468 * [taylor]: Taking taylor expansion of 1/2 in y
0.468 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.468 * [taylor]: Taking taylor expansion of y in y
0.471 * [taylor]: Taking taylor expansion of 0 in y
0.475 * [taylor]: Taking taylor expansion of 0 in y
0.481 * [taylor]: Taking taylor expansion of 0 in y
0.483 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in (x y) around 0
0.483 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in y
0.483 * [taylor]: Taking taylor expansion of 1/2 in y
0.483 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in y
0.483 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.483 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.483 * [taylor]: Taking taylor expansion of x in y
0.483 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.483 * [taylor]: Taking taylor expansion of y in y
0.484 * [taylor]: Taking taylor expansion of (* y x) in y
0.484 * [taylor]: Taking taylor expansion of y in y
0.484 * [taylor]: Taking taylor expansion of x in y
0.484 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.484 * [taylor]: Taking taylor expansion of 1/2 in x
0.484 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.484 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.484 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.484 * [taylor]: Taking taylor expansion of x in x
0.484 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.484 * [taylor]: Taking taylor expansion of y in x
0.484 * [taylor]: Taking taylor expansion of (* y x) in x
0.484 * [taylor]: Taking taylor expansion of y in x
0.484 * [taylor]: Taking taylor expansion of x in x
0.484 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.484 * [taylor]: Taking taylor expansion of 1/2 in x
0.484 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.484 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.484 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.484 * [taylor]: Taking taylor expansion of x in x
0.484 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.484 * [taylor]: Taking taylor expansion of y in x
0.484 * [taylor]: Taking taylor expansion of (* y x) in x
0.484 * [taylor]: Taking taylor expansion of y in x
0.484 * [taylor]: Taking taylor expansion of x in x
0.485 * [taylor]: Taking taylor expansion of 0 in y
0.487 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.487 * [taylor]: Taking taylor expansion of 1/2 in y
0.487 * [taylor]: Taking taylor expansion of y in y
0.490 * [taylor]: Taking taylor expansion of 1/2 in y
0.495 * [taylor]: Taking taylor expansion of 0 in y
0.501 * [taylor]: Taking taylor expansion of 0 in y
0.508 * [taylor]: Taking taylor expansion of 0 in y
0.511 * [approximate]: Taking taylor expansion of (* -1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in (x y) around 0
0.511 * [taylor]: Taking taylor expansion of (* -1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in y
0.511 * [taylor]: Taking taylor expansion of -1/2 in y
0.511 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in y
0.512 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.512 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.512 * [taylor]: Taking taylor expansion of x in y
0.512 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.512 * [taylor]: Taking taylor expansion of y in y
0.512 * [taylor]: Taking taylor expansion of (* y x) in y
0.512 * [taylor]: Taking taylor expansion of y in y
0.512 * [taylor]: Taking taylor expansion of x in y
0.512 * [taylor]: Taking taylor expansion of (* -1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.512 * [taylor]: Taking taylor expansion of -1/2 in x
0.512 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.512 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.512 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.512 * [taylor]: Taking taylor expansion of x in x
0.512 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.512 * [taylor]: Taking taylor expansion of y in x
0.512 * [taylor]: Taking taylor expansion of (* y x) in x
0.512 * [taylor]: Taking taylor expansion of y in x
0.512 * [taylor]: Taking taylor expansion of x in x
0.512 * [taylor]: Taking taylor expansion of (* -1/2 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.512 * [taylor]: Taking taylor expansion of -1/2 in x
0.512 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.512 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.512 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.512 * [taylor]: Taking taylor expansion of x in x
0.513 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.513 * [taylor]: Taking taylor expansion of y in x
0.513 * [taylor]: Taking taylor expansion of (* y x) in x
0.513 * [taylor]: Taking taylor expansion of y in x
0.513 * [taylor]: Taking taylor expansion of x in x
0.513 * [taylor]: Taking taylor expansion of 0 in y
0.515 * [taylor]: Taking taylor expansion of (neg (* 1/2 y)) in y
0.515 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.515 * [taylor]: Taking taylor expansion of 1/2 in y
0.515 * [taylor]: Taking taylor expansion of y in y
0.519 * [taylor]: Taking taylor expansion of -1/2 in y
0.524 * [taylor]: Taking taylor expansion of 0 in y
0.530 * [taylor]: Taking taylor expansion of 0 in y
0.537 * [taylor]: Taking taylor expansion of 0 in y
0.539 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.539 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) x)) in (x y) around 0
0.540 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) x)) in y
0.540 * [taylor]: Taking taylor expansion of 1/2 in y
0.540 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in y
0.540 * [taylor]: Taking taylor expansion of (+ x y) in y
0.540 * [taylor]: Taking taylor expansion of x in y
0.540 * [taylor]: Taking taylor expansion of y in y
0.540 * [taylor]: Taking taylor expansion of x in y
0.540 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) x)) in x
0.540 * [taylor]: Taking taylor expansion of 1/2 in x
0.540 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.540 * [taylor]: Taking taylor expansion of (+ x y) in x
0.540 * [taylor]: Taking taylor expansion of x in x
0.540 * [taylor]: Taking taylor expansion of y in x
0.540 * [taylor]: Taking taylor expansion of x in x
0.540 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) x)) in x
0.540 * [taylor]: Taking taylor expansion of 1/2 in x
0.540 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.540 * [taylor]: Taking taylor expansion of (+ x y) in x
0.540 * [taylor]: Taking taylor expansion of x in x
0.540 * [taylor]: Taking taylor expansion of y in x
0.540 * [taylor]: Taking taylor expansion of x in x
0.541 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.541 * [taylor]: Taking taylor expansion of 1/2 in y
0.541 * [taylor]: Taking taylor expansion of y in y
0.542 * [taylor]: Taking taylor expansion of 1/2 in y
0.543 * [taylor]: Taking taylor expansion of 0 in y
0.545 * [taylor]: Taking taylor expansion of 0 in y
0.547 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.547 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) x)) in y
0.547 * [taylor]: Taking taylor expansion of 1/2 in y
0.547 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in y
0.547 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.547 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.547 * [taylor]: Taking taylor expansion of x in y
0.547 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.548 * [taylor]: Taking taylor expansion of y in y
0.548 * [taylor]: Taking taylor expansion of x in y
0.548 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) x)) in x
0.548 * [taylor]: Taking taylor expansion of 1/2 in x
0.548 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in x
0.548 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.548 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.548 * [taylor]: Taking taylor expansion of x in x
0.548 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.548 * [taylor]: Taking taylor expansion of y in x
0.548 * [taylor]: Taking taylor expansion of x in x
0.548 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) x)) in x
0.548 * [taylor]: Taking taylor expansion of 1/2 in x
0.548 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in x
0.548 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.548 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.548 * [taylor]: Taking taylor expansion of x in x
0.548 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.548 * [taylor]: Taking taylor expansion of y in x
0.548 * [taylor]: Taking taylor expansion of x in x
0.549 * [taylor]: Taking taylor expansion of 0 in y
0.550 * [taylor]: Taking taylor expansion of 1/2 in y
0.552 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.552 * [taylor]: Taking taylor expansion of 1/2 in y
0.552 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.552 * [taylor]: Taking taylor expansion of y in y
0.555 * [taylor]: Taking taylor expansion of 0 in y
0.560 * [taylor]: Taking taylor expansion of 0 in y
0.563 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.563 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) x)) in y
0.563 * [taylor]: Taking taylor expansion of 1/2 in y
0.563 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in y
0.563 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.563 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.563 * [taylor]: Taking taylor expansion of x in y
0.563 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.563 * [taylor]: Taking taylor expansion of y in y
0.563 * [taylor]: Taking taylor expansion of x in y
0.564 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) x)) in x
0.564 * [taylor]: Taking taylor expansion of 1/2 in x
0.564 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in x
0.564 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.564 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.564 * [taylor]: Taking taylor expansion of x in x
0.564 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.564 * [taylor]: Taking taylor expansion of y in x
0.564 * [taylor]: Taking taylor expansion of x in x
0.564 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) x)) in x
0.564 * [taylor]: Taking taylor expansion of 1/2 in x
0.564 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in x
0.564 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.564 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.564 * [taylor]: Taking taylor expansion of x in x
0.564 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.564 * [taylor]: Taking taylor expansion of y in x
0.564 * [taylor]: Taking taylor expansion of x in x
0.565 * [taylor]: Taking taylor expansion of 0 in y
0.566 * [taylor]: Taking taylor expansion of 1/2 in y
0.569 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.569 * [taylor]: Taking taylor expansion of 1/2 in y
0.569 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.569 * [taylor]: Taking taylor expansion of y in y
0.573 * [taylor]: Taking taylor expansion of 0 in y
0.579 * [taylor]: Taking taylor expansion of 0 in y
0.581 * * * [progress]: simplifying candidates
0.582 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (-.f64 (log.f64 (+.f64 x y)) (+.f64 (log.f64 x) (log.f64 2))) (log.f64 y))
  (-.f64 (-.f64 (log.f64 (+.f64 x y)) (log.f64 (*.f64 x 2))) (log.f64 y))
  (-.f64 (log.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (log.f64 y))
  (exp.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (log.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (*.f64 (*.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y) (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y)) (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (*.f64 (cbrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y)) (cbrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y)))
  (cbrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (/.f64 (*.f64 (*.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (/.f64 (+.f64 x y) (*.f64 x 2))) (/.f64 (+.f64 x y) (*.f64 x 2))) (*.f64 (*.f64 y y) y))
  (/.f64 (/.f64 (*.f64 (*.f64 (+.f64 x y) (+.f64 x y)) (+.f64 x y)) (*.f64 (*.f64 (*.f64 x 2) (*.f64 x 2)) (*.f64 x 2))) (*.f64 (*.f64 y y) y))
  (/.f64 (/.f64 (*.f64 (*.f64 (+.f64 x y) (+.f64 x y)) (+.f64 x y)) (*.f64 (*.f64 (*.f64 x x) x) (*.f64 (*.f64 2 2) 2))) (*.f64 (*.f64 y y) y))
  (sqrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (sqrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (neg.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (neg.f64 y)
  (/.f64 (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 y))
  (/.f64 (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))) (sqrt.f64 y))
  (/.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (sqrt.f64 y))
  (/.f64 (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))) 1)
  (/.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) y)
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 y))
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (sqrt.f64 y))
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (sqrt.f64 y))
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) 1)
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) y)
  (/.f64 (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) x) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (cbrt.f64 (+.f64 x y)) 2) (cbrt.f64 y))
  (/.f64 (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) x) (sqrt.f64 y))
  (/.f64 (/.f64 (cbrt.f64 (+.f64 x y)) 2) (sqrt.f64 y))
  (/.f64 (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) x) 1)
  (/.f64 (/.f64 (cbrt.f64 (+.f64 x y)) 2) y)
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) x) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) 2) (cbrt.f64 y))
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) x) (sqrt.f64 y))
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) 2) (sqrt.f64 y))
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) x) 1)
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) 2) y)
  (/.f64 (/.f64 1 x) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (+.f64 x y) 2) (cbrt.f64 y))
  (/.f64 (/.f64 1 x) (sqrt.f64 y))
  (/.f64 (/.f64 (+.f64 x y) 2) (sqrt.f64 y))
  (/.f64 (/.f64 1 x) 1)
  (/.f64 (/.f64 (+.f64 x y) 2) y)
  (/.f64 (/.f64 1 x) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (+.f64 x y) 2) (cbrt.f64 y))
  (/.f64 (/.f64 1 x) (sqrt.f64 y))
  (/.f64 (/.f64 (+.f64 x y) 2) (sqrt.f64 y))
  (/.f64 (/.f64 1 x) 1)
  (/.f64 (/.f64 (+.f64 x y) 2) y)
  (/.f64 1 (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (cbrt.f64 y))
  (/.f64 1 (sqrt.f64 y))
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (sqrt.f64 y))
  (/.f64 1 1)
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y)
  (/.f64 (+.f64 x y) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 1 (*.f64 x 2)) (cbrt.f64 y))
  (/.f64 (+.f64 x y) (sqrt.f64 y))
  (/.f64 (/.f64 1 (*.f64 x 2)) (sqrt.f64 y))
  (/.f64 (+.f64 x y) 1)
  (/.f64 (/.f64 1 (*.f64 x 2)) y)
  (/.f64 y (/.f64 (+.f64 x y) (*.f64 x 2)))
  (/.f64 1 y)
  (*.f64 y (*.f64 x 2))
  (/.f64 y (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))))
  (/.f64 y (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))))
  (/.f64 y (/.f64 (cbrt.f64 (+.f64 x y)) 2))
  (/.f64 y (/.f64 (sqrt.f64 (+.f64 x y)) 2))
  (/.f64 y (/.f64 (+.f64 x y) 2))
  (/.f64 y (/.f64 (+.f64 x y) 2))
  (/.f64 y (/.f64 (+.f64 x y) (*.f64 x 2)))
  (/.f64 y (/.f64 1 (*.f64 x 2)))
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (sqrt.f64 y))
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) 1)
  (-.f64 (log.f64 (+.f64 x y)) (+.f64 (log.f64 x) (log.f64 2)))
  (-.f64 (log.f64 (+.f64 x y)) (log.f64 (*.f64 x 2)))
  (exp.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (log.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (*.f64 (*.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (/.f64 (+.f64 x y) (*.f64 x 2))) (/.f64 (+.f64 x y) (*.f64 x 2)))
  (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))))
  (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (/.f64 (*.f64 (*.f64 (+.f64 x y) (+.f64 x y)) (+.f64 x y)) (*.f64 (*.f64 (*.f64 x 2) (*.f64 x 2)) (*.f64 x 2)))
  (/.f64 (*.f64 (*.f64 (+.f64 x y) (+.f64 x y)) (+.f64 x y)) (*.f64 (*.f64 (*.f64 x x) x) (*.f64 (*.f64 2 2) 2)))
  (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (neg.f64 (+.f64 x y))
  (neg.f64 (*.f64 x 2))
  (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) x)
  (/.f64 (cbrt.f64 (+.f64 x y)) 2)
  (/.f64 (sqrt.f64 (+.f64 x y)) x)
  (/.f64 (sqrt.f64 (+.f64 x y)) 2)
  (/.f64 1 x)
  (/.f64 (+.f64 x y) 2)
  (/.f64 1 x)
  (/.f64 (+.f64 x y) 2)
  (/.f64 (*.f64 x 2) (+.f64 x y))
  (/.f64 1 (*.f64 x 2))
  (*.f64 (*.f64 x 2) (+.f64 (*.f64 x x) (-.f64 (*.f64 y y) (*.f64 x y))))
  (*.f64 (*.f64 x 2) (-.f64 x y))
  (/.f64 (*.f64 x 2) (cbrt.f64 (+.f64 x y)))
  (/.f64 (*.f64 x 2) (sqrt.f64 (+.f64 x y)))
  (/.f64 (*.f64 x 2) (+.f64 x y))
  (/.f64 (*.f64 x 2) (+.f64 x y))
  (/.f64 (+.f64 x y) x)
  (+.f64 (*.f64 1/2 (/.f64 1 x)) (*.f64 1/2 (/.f64 1 y)))
  (+.f64 (*.f64 1/2 (/.f64 1 x)) (*.f64 1/2 (/.f64 1 y)))
  (+.f64 (*.f64 1/2 (/.f64 1 x)) (*.f64 1/2 (/.f64 1 y)))
  (+.f64 (*.f64 1/2 (/.f64 y x)) 1/2)
  (+.f64 (*.f64 1/2 (/.f64 y x)) 1/2)
  (+.f64 (*.f64 1/2 (/.f64 y x)) 1/2)
0.628 * * [simplify]: iteration  0 :  5207  enodes  (cost  1434 )
0.636 * [simplify]: Simplified to:
   (log.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (log.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (log.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (sqrt.f64 (exp.f64 (/.f64 (+.f64 x y) (*.f64 x y))))
  (log.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (/.f64 (pow.f64 (/.f64 (+.f64 x y) (*.f64 x y)) 3) 8)
  (*.f64 (cbrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y)) (cbrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y)))
  (cbrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (/.f64 (pow.f64 (/.f64 (+.f64 x y) (*.f64 x y)) 3) 8)
  (/.f64 (pow.f64 (/.f64 (+.f64 x y) (*.f64 x y)) 3) 8)
  (/.f64 (pow.f64 (/.f64 (+.f64 x y) (*.f64 x y)) 3) 8)
  (sqrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (sqrt.f64 (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))
  (-.f64 -1/2 (/.f64 (/.f64 y x) 2))
  (neg.f64 y)
  (/.f64 (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 y))
  (/.f64 (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))) (sqrt.f64 y))
  (/.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (sqrt.f64 y))
  (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))))
  (/.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) y)
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 y))
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (sqrt.f64 y))
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (sqrt.f64 y))
  (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (/.f64 (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) y)
  (/.f64 (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) x) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (cbrt.f64 (+.f64 x y)) 2) (cbrt.f64 y))
  (/.f64 (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) x) (sqrt.f64 y))
  (/.f64 (/.f64 (cbrt.f64 (+.f64 x y)) 2) (sqrt.f64 y))
  (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) x)
  (/.f64 (/.f64 (cbrt.f64 (+.f64 x y)) 2) y)
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) x) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) 2) (cbrt.f64 y))
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) x) (sqrt.f64 y))
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) 2) (sqrt.f64 y))
  (/.f64 (sqrt.f64 (+.f64 x y)) x)
  (/.f64 (/.f64 (sqrt.f64 (+.f64 x y)) 2) y)
  (/.f64 (/.f64 1 x) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (+.f64 x y) 2) (cbrt.f64 y))
  (/.f64 (/.f64 1 x) (sqrt.f64 y))
  (/.f64 (/.f64 (+.f64 x y) 2) (sqrt.f64 y))
  (/.f64 1 x)
  (/.f64 (/.f64 (+.f64 x y) 2) y)
  (/.f64 (/.f64 1 x) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (+.f64 x y) 2) (cbrt.f64 y))
  (/.f64 (/.f64 1 x) (sqrt.f64 y))
  (/.f64 (/.f64 (+.f64 x y) 2) (sqrt.f64 y))
  (/.f64 1 x)
  (/.f64 (/.f64 (+.f64 x y) 2) y)
  (/.f64 1 (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (cbrt.f64 y))
  (/.f64 1 (sqrt.f64 y))
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (sqrt.f64 y))
  1
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y)
  (/.f64 (+.f64 x y) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 1/2 x) (cbrt.f64 y))
  (/.f64 (+.f64 x y) (sqrt.f64 y))
  (/.f64 (/.f64 1/2 x) (sqrt.f64 y))
  (+.f64 x y)
  (/.f64 (/.f64 1/2 x) y)
  (/.f64 x (/.f64 (/.f64 (+.f64 x y) 2) y))
  (/.f64 1 y)
  (*.f64 y (*.f64 x 2))
  (/.f64 y (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))))
  (/.f64 y (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))))
  (/.f64 y (/.f64 (cbrt.f64 (+.f64 x y)) 2))
  (/.f64 y (/.f64 (sqrt.f64 (+.f64 x y)) 2))
  (/.f64 y (/.f64 (+.f64 x y) 2))
  (/.f64 y (/.f64 (+.f64 x y) 2))
  (/.f64 x (/.f64 (/.f64 (+.f64 x y) 2) y))
  (*.f64 y (*.f64 x 2))
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (*.f64 (cbrt.f64 y) (cbrt.f64 y)))
  (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) (sqrt.f64 y))
  (/.f64 (+.f64 x y) (*.f64 x 2))
  (log.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (log.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (sqrt.f64 (exp.f64 (/.f64 (+.f64 x y) x)))
  (log.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (pow.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) 3)
  (*.f64 (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))) (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2))))
  (cbrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (pow.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) 3)
  (pow.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) 3)
  (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (sqrt.f64 (/.f64 (+.f64 x y) (*.f64 x 2)))
  (-.f64 (neg.f64 y) x)
  (*.f64 x -2)
  (/.f64 (*.f64 (cbrt.f64 (+.f64 x y)) (cbrt.f64 (+.f64 x y))) x)
  (/.f64 (cbrt.f64 (+.f64 x y)) 2)
  (/.f64 (sqrt.f64 (+.f64 x y)) x)
  (/.f64 (sqrt.f64 (+.f64 x y)) 2)
  (/.f64 1 x)
  (/.f64 (+.f64 x y) 2)
  (/.f64 1 x)
  (/.f64 (+.f64 x y) 2)
  (/.f64 x (/.f64 (+.f64 x y) 2))
  (/.f64 1/2 x)
  (*.f64 (*.f64 x 2) (+.f64 (*.f64 y y) (*.f64 x (-.f64 x y))))
  (*.f64 (*.f64 x 2) (-.f64 x y))
  (/.f64 x (/.f64 (cbrt.f64 (+.f64 x y)) 2))
  (/.f64 x (/.f64 (sqrt.f64 (+.f64 x y)) 2))
  (/.f64 x (/.f64 (+.f64 x y) 2))
  (/.f64 x (/.f64 (+.f64 x y) 2))
  (/.f64 (+.f64 x y) x)
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
  (+.f64 1/2 (*.f64 1/2 (/.f64 y x)))
  (+.f64 1/2 (*.f64 1/2 (/.f64 y x)))
  (+.f64 1/2 (*.f64 1/2 (/.f64 y x)))
0.637 * * * [progress]: adding candidates to table
0.679 * [progress]: [Phase 3 of 3] Extracting.
0.679 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))> #<alt (λ (x y) (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))>)
0.680 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.680 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))> #<alt (λ (x y) (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))>)
0.687 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+.f64 (/.f64 1/2 x) (/.f64 1/2 y)))> #<alt (λ (x y) (/.f64 (/.f64 (+.f64 x y) (*.f64 x 2)) y))>)
0.696 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.696 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
0.697 * * [simplify]: iteration  0 :  8  enodes  (cost  10 )
0.697 * * [simplify]: iteration  1 :  8  enodes  (cost  10 )
0.698 * [simplify]: Simplified to:
   (+.f64 (/.f64 1/2 x) (/.f64 1/2 y))
1.094 * [regime-testing]: End program error score: 0.012688067645496895
1.111 * [regime-testing]: Target error score: 0.012688067645496895