42.624 * [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> :
   (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992)
0.120 * * [simplify]: iteration  0 :  565  enodes  (cost  13 )
0.120 * * [simplify]: iteration  1 :  565  enodes  (cost  13 )
0.120 * [simplify]: Simplified to:
   (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992)
0.122 * * [progress]: iteration 1 / 4
0.122 * * * [progress]: picking best candidate
0.123 * * * * [pick]: Picked  #<alt (λ (x y) (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992))>
0.123 * * * [progress]: localizing error
0.132 * * * [progress]: generating rewritten candidates
0.132 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.139 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
0.145 * * * [progress]: generating series expansions
0.145 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.146 * [approximate]: Taking taylor expansion of (- (* x y) (+ x (* 1/2 y))) in (y x) around 0
0.146 * [taylor]: Taking taylor expansion of (- (* x y) (+ x (* 1/2 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 (* 1/2 y)) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (* 1/2 y) in x
0.146 * [taylor]: Taking taylor expansion of 1/2 in x
0.146 * [taylor]: Taking taylor expansion of y in x
0.146 * [taylor]: Taking taylor expansion of (- (* x y) (+ x (* 1/2 y))) in y
0.146 * [taylor]: Taking taylor expansion of (* x y) in y
0.146 * [taylor]: Taking taylor expansion of x in y
0.146 * [taylor]: Taking taylor expansion of y in y
0.146 * [taylor]: Taking taylor expansion of (+ x (* 1/2 y)) in y
0.146 * [taylor]: Taking taylor expansion of x in y
0.146 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.146 * [taylor]: Taking taylor expansion of 1/2 in y
0.146 * [taylor]: Taking taylor expansion of y in y
0.146 * [taylor]: Taking taylor expansion of (- (* x y) (+ x (* 1/2 y))) in y
0.146 * [taylor]: Taking taylor expansion of (* x y) in y
0.146 * [taylor]: Taking taylor expansion of x in y
0.146 * [taylor]: Taking taylor expansion of y in y
0.146 * [taylor]: Taking taylor expansion of (+ x (* 1/2 y)) in y
0.146 * [taylor]: Taking taylor expansion of x in y
0.146 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.146 * [taylor]: Taking taylor expansion of 1/2 in y
0.146 * [taylor]: Taking taylor expansion of y in y
0.147 * [taylor]: Taking taylor expansion of (neg x) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.148 * [taylor]: Taking taylor expansion of (- x 1/2) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [taylor]: Taking taylor expansion of 1/2 in x
0.149 * [taylor]: Taking taylor expansion of 0 in x
0.150 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1/2 (/ 1 y)) (/ 1 x))) in (y x) around 0
0.150 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1/2 (/ 1 y)) (/ 1 x))) in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.150 * [taylor]: Taking taylor expansion of (* x y) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.150 * [taylor]: Taking taylor expansion of y in x
0.150 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (/ 1 x)) in x
0.150 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.150 * [taylor]: Taking taylor expansion of 1/2 in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.150 * [taylor]: Taking taylor expansion of y in x
0.151 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1/2 (/ 1 y)) (/ 1 x))) in y
0.151 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.151 * [taylor]: Taking taylor expansion of (* x y) in y
0.151 * [taylor]: Taking taylor expansion of x in y
0.151 * [taylor]: Taking taylor expansion of y in y
0.151 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (/ 1 x)) in y
0.151 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.151 * [taylor]: Taking taylor expansion of 1/2 in y
0.151 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.151 * [taylor]: Taking taylor expansion of y in y
0.151 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.151 * [taylor]: Taking taylor expansion of x in y
0.151 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1/2 (/ 1 y)) (/ 1 x))) in y
0.151 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.151 * [taylor]: Taking taylor expansion of (* x y) in y
0.151 * [taylor]: Taking taylor expansion of x in y
0.151 * [taylor]: Taking taylor expansion of y in y
0.152 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (/ 1 x)) in y
0.152 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.152 * [taylor]: Taking taylor expansion of 1/2 in y
0.152 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.152 * [taylor]: Taking taylor expansion of y in y
0.152 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.152 * [taylor]: Taking taylor expansion of x in y
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of 1/2 in x
0.154 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.154 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.154 * [taylor]: Taking taylor expansion of x in x
0.156 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (+ (/ 1 x) (/ 1 (* x y)))) in (y x) around 0
0.156 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (+ (/ 1 x) (/ 1 (* x y)))) in x
0.156 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.156 * [taylor]: Taking taylor expansion of 1/2 in x
0.156 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.156 * [taylor]: Taking taylor expansion of y in x
0.156 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 (* x y))) in x
0.156 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.156 * [taylor]: Taking taylor expansion of x in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.157 * [taylor]: Taking taylor expansion of (* x y) in x
0.157 * [taylor]: Taking taylor expansion of x in x
0.157 * [taylor]: Taking taylor expansion of y in x
0.157 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (+ (/ 1 x) (/ 1 (* x y)))) in y
0.157 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.157 * [taylor]: Taking taylor expansion of 1/2 in y
0.157 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.157 * [taylor]: Taking taylor expansion of y in y
0.157 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 (* x y))) in y
0.157 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.157 * [taylor]: Taking taylor expansion of x in y
0.157 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.157 * [taylor]: Taking taylor expansion of (* x y) in y
0.157 * [taylor]: Taking taylor expansion of x in y
0.157 * [taylor]: Taking taylor expansion of y in y
0.158 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (+ (/ 1 x) (/ 1 (* x y)))) in y
0.158 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.158 * [taylor]: Taking taylor expansion of 1/2 in y
0.158 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.158 * [taylor]: Taking taylor expansion of y in y
0.158 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 (* x y))) in y
0.158 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.158 * [taylor]: Taking taylor expansion of x in y
0.158 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.158 * [taylor]: Taking taylor expansion of (* x y) in y
0.158 * [taylor]: Taking taylor expansion of x in y
0.158 * [taylor]: Taking taylor expansion of y in y
0.158 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1/2) in x
0.159 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.159 * [taylor]: Taking taylor expansion of x in x
0.159 * [taylor]: Taking taylor expansion of 1/2 in x
0.160 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.162 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
0.162 * [approximate]: Taking taylor expansion of (* (- x 1/2) y) in (y x) around 0
0.162 * [taylor]: Taking taylor expansion of (* (- x 1/2) y) in x
0.162 * [taylor]: Taking taylor expansion of (- x 1/2) in x
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [taylor]: Taking taylor expansion of 1/2 in x
0.162 * [taylor]: Taking taylor expansion of y in x
0.162 * [taylor]: Taking taylor expansion of (* (- x 1/2) y) in y
0.162 * [taylor]: Taking taylor expansion of (- x 1/2) in y
0.162 * [taylor]: Taking taylor expansion of x in y
0.162 * [taylor]: Taking taylor expansion of 1/2 in y
0.162 * [taylor]: Taking taylor expansion of y in y
0.162 * [taylor]: Taking taylor expansion of (* (- x 1/2) y) in y
0.162 * [taylor]: Taking taylor expansion of (- x 1/2) in y
0.162 * [taylor]: Taking taylor expansion of x in y
0.162 * [taylor]: Taking taylor expansion of 1/2 in y
0.162 * [taylor]: Taking taylor expansion of y in y
0.163 * [taylor]: Taking taylor expansion of 0 in x
0.163 * [taylor]: Taking taylor expansion of (- x 1/2) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of 1/2 in x
0.164 * [taylor]: Taking taylor expansion of 0 in x
0.165 * [taylor]: Taking taylor expansion of 0 in x
0.165 * [taylor]: Taking taylor expansion of 0 in x
0.166 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in (y x) around 0
0.166 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in x
0.166 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in x
0.166 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.166 * [taylor]: Taking taylor expansion of x in x
0.166 * [taylor]: Taking taylor expansion of 1/2 in x
0.166 * [taylor]: Taking taylor expansion of y in x
0.167 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in y
0.167 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in y
0.167 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.167 * [taylor]: Taking taylor expansion of x in y
0.167 * [taylor]: Taking taylor expansion of 1/2 in y
0.167 * [taylor]: Taking taylor expansion of y in y
0.167 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in y
0.167 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in y
0.167 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.167 * [taylor]: Taking taylor expansion of x in y
0.167 * [taylor]: Taking taylor expansion of 1/2 in y
0.167 * [taylor]: Taking taylor expansion of y in y
0.168 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in x
0.168 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.168 * [taylor]: Taking taylor expansion of x in x
0.168 * [taylor]: Taking taylor expansion of 1/2 in x
0.169 * [taylor]: Taking taylor expansion of 0 in x
0.171 * [taylor]: Taking taylor expansion of 0 in x
0.172 * [taylor]: Taking taylor expansion of 0 in x
0.174 * [taylor]: Taking taylor expansion of 0 in x
0.175 * [approximate]: Taking taylor expansion of (/ (+ 1/2 (/ 1 x)) y) in (y x) around 0
0.175 * [taylor]: Taking taylor expansion of (/ (+ 1/2 (/ 1 x)) y) in x
0.175 * [taylor]: Taking taylor expansion of (+ 1/2 (/ 1 x)) in x
0.175 * [taylor]: Taking taylor expansion of 1/2 in x
0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.175 * [taylor]: Taking taylor expansion of x in x
0.175 * [taylor]: Taking taylor expansion of y in x
0.175 * [taylor]: Taking taylor expansion of (/ (+ 1/2 (/ 1 x)) y) in y
0.175 * [taylor]: Taking taylor expansion of (+ 1/2 (/ 1 x)) in y
0.175 * [taylor]: Taking taylor expansion of 1/2 in y
0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.175 * [taylor]: Taking taylor expansion of x in y
0.175 * [taylor]: Taking taylor expansion of y in y
0.176 * [taylor]: Taking taylor expansion of (/ (+ 1/2 (/ 1 x)) y) in y
0.176 * [taylor]: Taking taylor expansion of (+ 1/2 (/ 1 x)) in y
0.176 * [taylor]: Taking taylor expansion of 1/2 in y
0.176 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.176 * [taylor]: Taking taylor expansion of x in y
0.176 * [taylor]: Taking taylor expansion of y in y
0.176 * [taylor]: Taking taylor expansion of (+ 1/2 (/ 1 x)) in x
0.176 * [taylor]: Taking taylor expansion of 1/2 in x
0.176 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of 0 in x
0.178 * [taylor]: Taking taylor expansion of 0 in x
0.179 * [taylor]: Taking taylor expansion of 0 in x
0.181 * [taylor]: Taking taylor expansion of 0 in x
0.182 * * * [progress]: simplifying candidates
0.182 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (exp.f64 (*.f64 y (+.f64 x -1/2))) (exp.f64 x))
  (exp.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (log.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (*.f64 (*.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) (-.f64 (*.f64 y (+.f64 x -1/2)) x)) (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (*.f64 (cbrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x)) (cbrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x)))
  (cbrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (sqrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (sqrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (-.f64 (pow.f64 (*.f64 y (+.f64 x -1/2)) 3) (pow.f64 x 3))
  (+.f64 (*.f64 (*.f64 y (+.f64 x -1/2)) (*.f64 y (+.f64 x -1/2))) (+.f64 (*.f64 x x) (*.f64 (*.f64 y (+.f64 x -1/2)) x)))
  (neg.f64 x)
  (-.f64 (*.f64 (*.f64 y (+.f64 x -1/2)) (*.f64 y (+.f64 x -1/2))) (*.f64 x x))
  (+.f64 (*.f64 y (+.f64 x -1/2)) x)
  (-.f64 (*.f64 -1/2 y) x)
  (-.f64 (*.f64 y -1/2) x)
  (*.f64 y (+.f64 x -1/2))
  (+.f64 (log.f64 y) (log.f64 (+.f64 x -1/2)))
  (exp.f64 (*.f64 y (+.f64 x -1/2)))
  (log.f64 (*.f64 y (+.f64 x -1/2)))
  (*.f64 (*.f64 (*.f64 y (+.f64 x -1/2)) (*.f64 y (+.f64 x -1/2))) (*.f64 y (+.f64 x -1/2)))
  (*.f64 (cbrt.f64 (*.f64 y (+.f64 x -1/2))) (cbrt.f64 (*.f64 y (+.f64 x -1/2))))
  (cbrt.f64 (*.f64 y (+.f64 x -1/2)))
  (*.f64 (*.f64 (*.f64 y y) y) (*.f64 (*.f64 (+.f64 x -1/2) (+.f64 x -1/2)) (+.f64 x -1/2)))
  (sqrt.f64 (*.f64 y (+.f64 x -1/2)))
  (sqrt.f64 (*.f64 y (+.f64 x -1/2)))
  (*.f64 (sqrt.f64 y) (sqrt.f64 (+.f64 x -1/2)))
  (*.f64 (sqrt.f64 y) (sqrt.f64 (+.f64 x -1/2)))
  (*.f64 x y)
  (*.f64 -1/2 y)
  (*.f64 y x)
  (*.f64 y -1/2)
  (*.f64 y (+.f64 (pow.f64 x 3) (pow.f64 -1/2 3)))
  (*.f64 y (-.f64 (*.f64 x x) (*.f64 -1/2 -1/2)))
  (*.f64 (cbrt.f64 y) (+.f64 x -1/2))
  (*.f64 (sqrt.f64 y) (+.f64 x -1/2))
  (*.f64 y (+.f64 x -1/2))
  (*.f64 y (*.f64 (cbrt.f64 (+.f64 x -1/2)) (cbrt.f64 (+.f64 x -1/2))))
  (*.f64 y (sqrt.f64 (+.f64 x -1/2)))
  (*.f64 y 1)
  (*.f64 y 1)
  (-.f64 (*.f64 x y) (+.f64 x (*.f64 1/2 y)))
  (-.f64 (*.f64 x y) (+.f64 x (*.f64 1/2 y)))
  (-.f64 (*.f64 x y) (+.f64 x (*.f64 1/2 y)))
  (-.f64 (*.f64 x y) (*.f64 1/2 y))
  (-.f64 (*.f64 x y) (*.f64 1/2 y))
  (-.f64 (*.f64 x y) (*.f64 1/2 y))
0.319 * * [simplify]: iteration  0 :  4853  enodes  (cost  464 )
0.319 * * [simplify]: iteration  1 :  4853  enodes  (cost  464 )
0.324 * [simplify]: Simplified to:
   (exp.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (exp.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (log.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (pow.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 3)
  (*.f64 (cbrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x)) (cbrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x)))
  (cbrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (sqrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (sqrt.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x))
  (-.f64 (pow.f64 (*.f64 y (+.f64 x -1/2)) 3) (pow.f64 x 3))
  (+.f64 (*.f64 x x) (*.f64 (*.f64 y (+.f64 x -1/2)) (+.f64 x (*.f64 y (+.f64 x -1/2)))))
  (neg.f64 x)
  (-.f64 (*.f64 (*.f64 y (+.f64 x -1/2)) (*.f64 y (+.f64 x -1/2))) (*.f64 x x))
  (+.f64 x (*.f64 y (+.f64 x -1/2)))
  (-.f64 (*.f64 y -1/2) x)
  (-.f64 (*.f64 y -1/2) x)
  (*.f64 y (+.f64 x -1/2))
  (log.f64 (*.f64 y (+.f64 x -1/2)))
  (exp.f64 (*.f64 y (+.f64 x -1/2)))
  (log.f64 (*.f64 y (+.f64 x -1/2)))
  (pow.f64 (*.f64 y (+.f64 x -1/2)) 3)
  (*.f64 (cbrt.f64 (*.f64 y (+.f64 x -1/2))) (cbrt.f64 (*.f64 y (+.f64 x -1/2))))
  (cbrt.f64 (*.f64 y (+.f64 x -1/2)))
  (pow.f64 (*.f64 y (+.f64 x -1/2)) 3)
  (sqrt.f64 (*.f64 y (+.f64 x -1/2)))
  (sqrt.f64 (*.f64 y (+.f64 x -1/2)))
  (*.f64 (sqrt.f64 y) (sqrt.f64 (+.f64 x -1/2)))
  (*.f64 (sqrt.f64 y) (sqrt.f64 (+.f64 x -1/2)))
  (*.f64 y x)
  (*.f64 y -1/2)
  (*.f64 y x)
  (*.f64 y -1/2)
  (*.f64 y (+.f64 (pow.f64 x 3) -1/8))
  (*.f64 y (-.f64 (*.f64 x x) 1/4))
  (*.f64 (+.f64 x -1/2) (cbrt.f64 y))
  (*.f64 (+.f64 x -1/2) (sqrt.f64 y))
  (*.f64 y (+.f64 x -1/2))
  (*.f64 y (*.f64 (cbrt.f64 (+.f64 x -1/2)) (cbrt.f64 (+.f64 x -1/2))))
  (*.f64 y (sqrt.f64 (+.f64 x -1/2)))
  y
  y
  (-.f64 (*.f64 y (+.f64 x -1/2)) x)
  (-.f64 (*.f64 y (+.f64 x -1/2)) x)
  (-.f64 (*.f64 y (+.f64 x -1/2)) x)
  (*.f64 y (+.f64 x -1/2))
  (*.f64 y (+.f64 x -1/2))
  (*.f64 y (+.f64 x -1/2))
0.324 * * * [progress]: adding candidates to table
0.358 * * [progress]: iteration 2 / 4
0.358 * * * [progress]: picking best candidate
0.359 * * * * [pick]: Picked  #<alt (λ (x y) (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992))>
0.359 * * * [progress]: localizing error
0.368 * * * [progress]: generating rewritten candidates
0.368 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
0.375 * * * [progress]: generating series expansions
0.375 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
0.376 * [approximate]: Taking taylor expansion of (* (- y 1) x) in (x y) around 0
0.376 * [taylor]: Taking taylor expansion of (* (- y 1) x) in y
0.376 * [taylor]: Taking taylor expansion of (- y 1) in y
0.376 * [taylor]: Taking taylor expansion of y in y
0.376 * [taylor]: Taking taylor expansion of 1 in y
0.376 * [taylor]: Taking taylor expansion of x in y
0.376 * [taylor]: Taking taylor expansion of (* (- y 1) x) in x
0.376 * [taylor]: Taking taylor expansion of (- y 1) in x
0.376 * [taylor]: Taking taylor expansion of y in x
0.376 * [taylor]: Taking taylor expansion of 1 in x
0.376 * [taylor]: Taking taylor expansion of x in x
0.376 * [taylor]: Taking taylor expansion of (* (- y 1) x) in x
0.376 * [taylor]: Taking taylor expansion of (- y 1) in x
0.376 * [taylor]: Taking taylor expansion of y in x
0.376 * [taylor]: Taking taylor expansion of 1 in x
0.376 * [taylor]: Taking taylor expansion of x in x
0.376 * [taylor]: Taking taylor expansion of 0 in y
0.377 * [taylor]: Taking taylor expansion of (- y 1) in y
0.377 * [taylor]: Taking taylor expansion of y in y
0.377 * [taylor]: Taking taylor expansion of 1 in y
0.378 * [taylor]: Taking taylor expansion of 0 in y
0.378 * [taylor]: Taking taylor expansion of 0 in y
0.379 * [taylor]: Taking taylor expansion of 0 in y
0.380 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) 1) x) in (x y) around 0
0.380 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1) x) in y
0.380 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1) in y
0.380 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.380 * [taylor]: Taking taylor expansion of y in y
0.380 * [taylor]: Taking taylor expansion of 1 in y
0.380 * [taylor]: Taking taylor expansion of x in y
0.380 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1) x) in x
0.380 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1) in x
0.380 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.380 * [taylor]: Taking taylor expansion of y in x
0.380 * [taylor]: Taking taylor expansion of 1 in x
0.380 * [taylor]: Taking taylor expansion of x in x
0.381 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1) x) in x
0.381 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1) in x
0.381 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.381 * [taylor]: Taking taylor expansion of y in x
0.381 * [taylor]: Taking taylor expansion of 1 in x
0.381 * [taylor]: Taking taylor expansion of x in x
0.381 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1) in y
0.381 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.381 * [taylor]: Taking taylor expansion of y in y
0.381 * [taylor]: Taking taylor expansion of 1 in y
0.382 * [taylor]: Taking taylor expansion of 0 in y
0.384 * [taylor]: Taking taylor expansion of 0 in y
0.385 * [taylor]: Taking taylor expansion of 0 in y
0.387 * [taylor]: Taking taylor expansion of 0 in y
0.388 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 1) x) in (x y) around 0
0.388 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1) x) in y
0.388 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1) in y
0.388 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.388 * [taylor]: Taking taylor expansion of y in y
0.388 * [taylor]: Taking taylor expansion of 1 in y
0.388 * [taylor]: Taking taylor expansion of x in y
0.388 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1) x) in x
0.388 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1) in x
0.388 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.388 * [taylor]: Taking taylor expansion of y in x
0.388 * [taylor]: Taking taylor expansion of 1 in x
0.388 * [taylor]: Taking taylor expansion of x in x
0.389 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1) x) in x
0.389 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1) in x
0.389 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.389 * [taylor]: Taking taylor expansion of y in x
0.389 * [taylor]: Taking taylor expansion of 1 in x
0.389 * [taylor]: Taking taylor expansion of x in x
0.389 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1) in y
0.389 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.389 * [taylor]: Taking taylor expansion of y in y
0.389 * [taylor]: Taking taylor expansion of 1 in y
0.390 * [taylor]: Taking taylor expansion of 0 in y
0.391 * [taylor]: Taking taylor expansion of 0 in y
0.392 * [taylor]: Taking taylor expansion of 0 in y
0.394 * [taylor]: Taking taylor expansion of 0 in y
0.395 * * * [progress]: simplifying candidates
0.395 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 x (-.f64 y 1))
  (+.f64 (log.f64 x) (log.f64 (-.f64 y 1)))
  (exp.f64 (*.f64 x (-.f64 y 1)))
  (log.f64 (*.f64 x (-.f64 y 1)))
  (*.f64 (*.f64 (*.f64 x (-.f64 y 1)) (*.f64 x (-.f64 y 1))) (*.f64 x (-.f64 y 1)))
  (*.f64 (cbrt.f64 (*.f64 x (-.f64 y 1))) (cbrt.f64 (*.f64 x (-.f64 y 1))))
  (cbrt.f64 (*.f64 x (-.f64 y 1)))
  (*.f64 (*.f64 (*.f64 x x) x) (*.f64 (*.f64 (-.f64 y 1) (-.f64 y 1)) (-.f64 y 1)))
  (sqrt.f64 (*.f64 x (-.f64 y 1)))
  (sqrt.f64 (*.f64 x (-.f64 y 1)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 y 1)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 y 1)))
  (*.f64 y x)
  (*.f64 (neg.f64 1) x)
  (*.f64 x y)
  (*.f64 x (neg.f64 1))
  (*.f64 x (-.f64 (pow.f64 y 3) (pow.f64 1 3)))
  (*.f64 x (-.f64 (*.f64 y y) (*.f64 1 1)))
  (*.f64 (cbrt.f64 x) (-.f64 y 1))
  (*.f64 (sqrt.f64 x) (-.f64 y 1))
  (*.f64 x (-.f64 y 1))
  (*.f64 x (*.f64 (cbrt.f64 (-.f64 y 1)) (cbrt.f64 (-.f64 y 1))))
  (*.f64 x (sqrt.f64 (-.f64 y 1)))
  (*.f64 x 1)
  (*.f64 x (+.f64 (sqrt.f64 y) 1))
  (*.f64 x (+.f64 (sqrt.f64 y) (sqrt.f64 1)))
  (*.f64 x (+.f64 (sqrt.f64 y) 1))
  (*.f64 x 1)
  (-.f64 (*.f64 x y) x)
  (-.f64 (*.f64 x y) x)
  (-.f64 (*.f64 x y) x)
0.471 * * [simplify]: iteration  0 :  5167  enodes  (cost  258 )
0.473 * [simplify]: Simplified to:
   (*.f64 x (-.f64 y 1))
  (log.f64 (*.f64 x (-.f64 y 1)))
  (exp.f64 (*.f64 x (-.f64 y 1)))
  (log.f64 (*.f64 x (-.f64 y 1)))
  (pow.f64 (*.f64 x (-.f64 y 1)) 3)
  (*.f64 (cbrt.f64 (*.f64 x (-.f64 y 1))) (cbrt.f64 (*.f64 x (-.f64 y 1))))
  (cbrt.f64 (*.f64 x (-.f64 y 1)))
  (pow.f64 (*.f64 x (-.f64 y 1)) 3)
  (sqrt.f64 (*.f64 x (-.f64 y 1)))
  (sqrt.f64 (*.f64 x (-.f64 y 1)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 y 1)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 y 1)))
  (*.f64 x y)
  (neg.f64 x)
  (*.f64 x y)
  (neg.f64 x)
  (*.f64 x (+.f64 -1 (pow.f64 y 3)))
  (*.f64 x (+.f64 -1 (*.f64 y y)))
  (*.f64 (-.f64 y 1) (cbrt.f64 x))
  (*.f64 (-.f64 y 1) (sqrt.f64 x))
  (*.f64 x (-.f64 y 1))
  (*.f64 x (*.f64 (cbrt.f64 (-.f64 y 1)) (cbrt.f64 (-.f64 y 1))))
  (*.f64 x (sqrt.f64 (-.f64 y 1)))
  x
  (*.f64 x (+.f64 1 (sqrt.f64 y)))
  (*.f64 x (+.f64 1 (sqrt.f64 y)))
  (*.f64 x (+.f64 1 (sqrt.f64 y)))
  x
  (*.f64 x (-.f64 y 1))
  (*.f64 x (-.f64 y 1))
  (*.f64 x (-.f64 y 1))
0.474 * * * [progress]: adding candidates to table
0.488 * [progress]: [Phase 3 of 3] Extracting.
0.489 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992))> #<alt (λ (x y) (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992))>)
0.489 * * * [regime-changes]: Trying 4 branch expressions: ((-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992) y x)
0.489 * * * * [regimes]: Trying to branch on (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) from (#<alt (λ (x y) (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992))> #<alt (λ (x y) (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992))>)
0.499 * * * * [regimes]: Trying to branch on (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992) from (#<alt (λ (x y) (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992))> #<alt (λ (x y) (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992))>)
0.514 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992))> #<alt (λ (x y) (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992))>)
0.525 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992))> #<alt (λ (x y) (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992))>)
0.536 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.536 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992)
0.541 * * [simplify]: iteration  0 :  22  enodes  (cost  13 )
0.541 * * [simplify]: iteration  1 :  22  enodes  (cost  13 )
0.541 * [simplify]: Simplified to:
   (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992)
1.024 * [regime-testing]: End program error score: 0.010251281410176272