3.532 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.083 * * * [progress]: [2/2] Setting up program.
0.085 * [progress]: [Phase 2 of 3] Improving.
0.086 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992)
0.115 * * [simplify]: iteration  0 :  564  enodes  (cost  13 )
0.115 * * [simplify]: iteration  1 :  564  enodes  (cost  13 )
0.116 * [simplify]: Simplified to:
   (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992)
0.118 * * [progress]: iteration 1 / 4
0.118 * * * [progress]: picking best candidate
0.119 * * * * [pick]: Picked  #<alt (λ (x y) (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992))>
0.119 * * * [progress]: localizing error
0.126 * * * [progress]: generating rewritten candidates
0.126 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
0.134 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.143 * * * [progress]: generating series expansions
0.143 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
0.144 * [approximate]: Taking taylor expansion of (* x (- y 1)) in (x y) around 0
0.144 * [taylor]: Taking taylor expansion of (* x (- y 1)) in y
0.144 * [taylor]: Taking taylor expansion of x in y
0.144 * [taylor]: Taking taylor expansion of (- y 1) in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.144 * [taylor]: Taking taylor expansion of 1 in y
0.144 * [taylor]: Taking taylor expansion of (* x (- y 1)) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [taylor]: Taking taylor expansion of (- y 1) in x
0.144 * [taylor]: Taking taylor expansion of y in x
0.144 * [taylor]: Taking taylor expansion of 1 in x
0.144 * [taylor]: Taking taylor expansion of (* x (- y 1)) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [taylor]: Taking taylor expansion of (- y 1) in x
0.144 * [taylor]: Taking taylor expansion of y in x
0.144 * [taylor]: Taking taylor expansion of 1 in x
0.145 * [taylor]: Taking taylor expansion of 0 in y
0.146 * [taylor]: Taking taylor expansion of (- y 1) in y
0.146 * [taylor]: Taking taylor expansion of y in y
0.146 * [taylor]: Taking taylor expansion of 1 in y
0.147 * [taylor]: Taking taylor expansion of 0 in y
0.148 * [taylor]: Taking taylor expansion of 0 in y
0.150 * [taylor]: Taking taylor expansion of 0 in y
0.152 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) 1) x) in (x y) around 0
0.152 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1) x) in y
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1) 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 in y
0.152 * [taylor]: Taking taylor expansion of x in y
0.152 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1) x) in x
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1) in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.152 * [taylor]: Taking taylor expansion of y in x
0.152 * [taylor]: Taking taylor expansion of 1 in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1) x) in x
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1) in x
0.153 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.154 * [taylor]: Taking taylor expansion of y in x
0.154 * [taylor]: Taking taylor expansion of 1 in x
0.154 * [taylor]: Taking taylor expansion of x in x
0.155 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1) in y
0.155 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.155 * [taylor]: Taking taylor expansion of y in y
0.155 * [taylor]: Taking taylor expansion of 1 in y
0.157 * [taylor]: Taking taylor expansion of 0 in y
0.159 * [taylor]: Taking taylor expansion of 0 in y
0.163 * [taylor]: Taking taylor expansion of 0 in y
0.167 * [taylor]: Taking taylor expansion of 0 in y
0.170 * [approximate]: Taking taylor expansion of (/ (+ 1 (/ 1 y)) x) in (x y) around 0
0.170 * [taylor]: Taking taylor expansion of (/ (+ 1 (/ 1 y)) x) in y
0.170 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 y)) in y
0.170 * [taylor]: Taking taylor expansion of 1 in y
0.170 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.170 * [taylor]: Taking taylor expansion of y in y
0.170 * [taylor]: Taking taylor expansion of x in y
0.171 * [taylor]: Taking taylor expansion of (/ (+ 1 (/ 1 y)) x) in x
0.171 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 y)) in x
0.171 * [taylor]: Taking taylor expansion of 1 in x
0.171 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.171 * [taylor]: Taking taylor expansion of y in x
0.171 * [taylor]: Taking taylor expansion of x in x
0.172 * [taylor]: Taking taylor expansion of (/ (+ 1 (/ 1 y)) x) in x
0.172 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 y)) in x
0.172 * [taylor]: Taking taylor expansion of 1 in x
0.172 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.172 * [taylor]: Taking taylor expansion of y in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.173 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 y)) in y
0.173 * [taylor]: Taking taylor expansion of 1 in y
0.173 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.173 * [taylor]: Taking taylor expansion of y in y
0.177 * [taylor]: Taking taylor expansion of 0 in y
0.180 * [taylor]: Taking taylor expansion of 0 in y
0.184 * [taylor]: Taking taylor expansion of 0 in y
0.189 * [taylor]: Taking taylor expansion of 0 in y
0.191 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.192 * [approximate]: Taking taylor expansion of (- (* x y) (+ (* 1/2 y) x)) in (x y) around 0
0.192 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1/2 y) x)) in y
0.192 * [taylor]: Taking taylor expansion of (* x y) in y
0.192 * [taylor]: Taking taylor expansion of x in y
0.192 * [taylor]: Taking taylor expansion of y in y
0.192 * [taylor]: Taking taylor expansion of (+ (* 1/2 y) x) 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
0.192 * [taylor]: Taking taylor expansion of x in y
0.192 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1/2 y) x)) in x
0.192 * [taylor]: Taking taylor expansion of (* x y) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of y in x
0.192 * [taylor]: Taking taylor expansion of (+ (* 1/2 y) x) in x
0.192 * [taylor]: Taking taylor expansion of (* 1/2 y) in x
0.192 * [taylor]: Taking taylor expansion of 1/2 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 y) (+ (* 1/2 y) x)) in x
0.192 * [taylor]: Taking taylor expansion of (* x y) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of y in x
0.192 * [taylor]: Taking taylor expansion of (+ (* 1/2 y) x) in x
0.192 * [taylor]: Taking taylor expansion of (* 1/2 y) in x
0.192 * [taylor]: Taking taylor expansion of 1/2 in x
0.192 * [taylor]: Taking taylor expansion of y in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (neg (* 1/2 y)) in y
0.193 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.193 * [taylor]: Taking taylor expansion of 1/2 in y
0.193 * [taylor]: Taking taylor expansion of y in y
0.195 * [taylor]: Taking taylor expansion of (- y 1) in y
0.195 * [taylor]: Taking taylor expansion of y in y
0.195 * [taylor]: Taking taylor expansion of 1 in y
0.197 * [taylor]: Taking taylor expansion of 0 in y
0.200 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 x) (* 1/2 (/ 1 y)))) in (x y) around 0
0.200 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 x) (* 1/2 (/ 1 y)))) in y
0.200 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.200 * [taylor]: Taking taylor expansion of (* x y) in y
0.200 * [taylor]: Taking taylor expansion of x in y
0.200 * [taylor]: Taking taylor expansion of y in y
0.201 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/2 (/ 1 y))) in y
0.201 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.201 * [taylor]: Taking taylor expansion of x in y
0.201 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.201 * [taylor]: Taking taylor expansion of 1/2 in y
0.201 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.201 * [taylor]: Taking taylor expansion of y in y
0.201 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 x) (* 1/2 (/ 1 y)))) in x
0.201 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.201 * [taylor]: Taking taylor expansion of (* x y) in x
0.201 * [taylor]: Taking taylor expansion of x in x
0.201 * [taylor]: Taking taylor expansion of y in x
0.202 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/2 (/ 1 y))) in x
0.202 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.202 * [taylor]: Taking taylor expansion of x in x
0.202 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.202 * [taylor]: Taking taylor expansion of 1/2 in x
0.202 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.202 * [taylor]: Taking taylor expansion of y in x
0.202 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 x) (* 1/2 (/ 1 y)))) in x
0.202 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.202 * [taylor]: Taking taylor expansion of (* x y) in x
0.202 * [taylor]: Taking taylor expansion of x in x
0.202 * [taylor]: Taking taylor expansion of y in x
0.203 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/2 (/ 1 y))) in x
0.203 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.203 * [taylor]: Taking taylor expansion of x in x
0.203 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.203 * [taylor]: Taking taylor expansion of 1/2 in x
0.203 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.203 * [taylor]: Taking taylor expansion of y in x
0.204 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1) in y
0.204 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.204 * [taylor]: Taking taylor expansion of y in y
0.204 * [taylor]: Taking taylor expansion of 1 in y
0.207 * [taylor]: Taking taylor expansion of (neg (* 1/2 (/ 1 y))) in y
0.207 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.207 * [taylor]: Taking taylor expansion of 1/2 in y
0.207 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.207 * [taylor]: Taking taylor expansion of y in y
0.212 * [approximate]: Taking taylor expansion of (+ (/ 1 x) (+ (* 1/2 (/ 1 y)) (/ 1 (* x y)))) in (x y) around 0
0.212 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (+ (* 1/2 (/ 1 y)) (/ 1 (* x y)))) in y
0.212 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.212 * [taylor]: Taking taylor expansion of x in y
0.212 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (/ 1 (* x y))) in y
0.213 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.213 * [taylor]: Taking taylor expansion of 1/2 in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.213 * [taylor]: Taking taylor expansion of (* x y) in y
0.213 * [taylor]: Taking taylor expansion of x in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (+ (* 1/2 (/ 1 y)) (/ 1 (* x y)))) in x
0.213 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (/ 1 (* x y))) in x
0.213 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.213 * [taylor]: Taking taylor expansion of 1/2 in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.214 * [taylor]: Taking taylor expansion of (* x y) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (+ (* 1/2 (/ 1 y)) (/ 1 (* x y)))) in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (/ 1 (* x y))) in x
0.214 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.214 * [taylor]: Taking taylor expansion of 1/2 in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.215 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.215 * [taylor]: Taking taylor expansion of (* x y) in x
0.215 * [taylor]: Taking taylor expansion of x in x
0.215 * [taylor]: Taking taylor expansion of y in x
0.216 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1) in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.216 * [taylor]: Taking taylor expansion of y in y
0.216 * [taylor]: Taking taylor expansion of 1 in y
0.219 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.219 * [taylor]: Taking taylor expansion of 1/2 in y
0.219 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.219 * [taylor]: Taking taylor expansion of y in y
0.223 * * * [progress]: simplifying candidates
0.224 * [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 (exp.f64 (*.f64 x (-.f64 y 1))) (exp.f64 (*.f64 y 1/2)))
  (exp.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)))
  (log.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)))
  (*.f64 (*.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2))) (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)))
  (*.f64 (cbrt.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2))) (cbrt.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2))))
  (cbrt.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)))
  (sqrt.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)))
  (sqrt.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)))
  (-.f64 (pow.f64 (*.f64 x (-.f64 y 1)) 3) (pow.f64 (*.f64 y 1/2) 3))
  (+.f64 (*.f64 (*.f64 x (-.f64 y 1)) (*.f64 x (-.f64 y 1))) (+.f64 (*.f64 (*.f64 y 1/2) (*.f64 y 1/2)) (*.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2))))
  (neg.f64 (*.f64 y 1/2))
  (-.f64 (*.f64 (*.f64 x (-.f64 y 1)) (*.f64 x (-.f64 y 1))) (*.f64 (*.f64 y 1/2) (*.f64 y 1/2)))
  (+.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2))
  (-.f64 (*.f64 (neg.f64 1) x) (*.f64 y 1/2))
  (-.f64 (*.f64 x (neg.f64 1)) (*.f64 y 1/2))
  (-.f64 (*.f64 x y) x)
  (-.f64 (*.f64 x y) x)
  (-.f64 (*.f64 x y) x)
  (-.f64 (*.f64 x y) (+.f64 (*.f64 1/2 y) x))
  (-.f64 (*.f64 x y) (+.f64 x (*.f64 1/2 y)))
  (-.f64 (*.f64 x y) (+.f64 x (*.f64 1/2 y)))
0.288 * * [simplify]: iteration  0 :  4970  enodes  (cost  496 )
0.289 * * [simplify]: iteration  1 :  4970  enodes  (cost  496 )
0.292 * [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
  (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 x (-.f64 y 1)) 3) (pow.f64 (*.f64 y 1/2) 3))
  (+.f64 (*.f64 y (*.f64 y 1/4)) (*.f64 (*.f64 x (-.f64 y 1)) (-.f64 (*.f64 y (+.f64 1/2 x)) x)))
  (*.f64 y -1/2)
  (*.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) (-.f64 (*.f64 y (+.f64 1/2 x)) x))
  (-.f64 (*.f64 y (+.f64 1/2 x)) x)
  (-.f64 (*.f64 y -1/2) x)
  (-.f64 (*.f64 y -1/2) x)
  (*.f64 x (-.f64 y 1))
  (*.f64 x (-.f64 y 1))
  (*.f64 x (-.f64 y 1))
  (-.f64 (*.f64 y (+.f64 x -1/2)) x)
  (-.f64 (*.f64 y (+.f64 x -1/2)) x)
  (-.f64 (*.f64 y (+.f64 x -1/2)) x)
0.292 * * * [progress]: adding candidates to table
0.318 * * [progress]: iteration 2 / 4
0.318 * * * [progress]: picking best candidate
0.319 * * * * [pick]: Picked  #<alt (λ (x y) (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992))>
0.319 * * * [progress]: localizing error
0.325 * * * [progress]: generating rewritten candidates
0.325 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.332 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
0.343 * * * [progress]: generating series expansions
0.343 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.344 * [approximate]: Taking taylor expansion of (- (* x y) (+ (* 1/2 y) x)) in (y x) around 0
0.344 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1/2 y) x)) in x
0.344 * [taylor]: Taking taylor expansion of (* x y) in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of y in x
0.344 * [taylor]: Taking taylor expansion of (+ (* 1/2 y) x) in x
0.344 * [taylor]: Taking taylor expansion of (* 1/2 y) in x
0.344 * [taylor]: Taking taylor expansion of 1/2 in x
0.344 * [taylor]: Taking taylor expansion of y in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1/2 y) x)) in y
0.344 * [taylor]: Taking taylor expansion of (* x y) in y
0.344 * [taylor]: Taking taylor expansion of x in y
0.344 * [taylor]: Taking taylor expansion of y in y
0.344 * [taylor]: Taking taylor expansion of (+ (* 1/2 y) x) in y
0.344 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.344 * [taylor]: Taking taylor expansion of 1/2 in y
0.344 * [taylor]: Taking taylor expansion of y in y
0.344 * [taylor]: Taking taylor expansion of x in y
0.344 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1/2 y) x)) in y
0.344 * [taylor]: Taking taylor expansion of (* x y) in y
0.344 * [taylor]: Taking taylor expansion of x in y
0.344 * [taylor]: Taking taylor expansion of y in y
0.344 * [taylor]: Taking taylor expansion of (+ (* 1/2 y) x) in y
0.344 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.344 * [taylor]: Taking taylor expansion of 1/2 in y
0.344 * [taylor]: Taking taylor expansion of y in y
0.344 * [taylor]: Taking taylor expansion of x in y
0.345 * [taylor]: Taking taylor expansion of (neg x) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.346 * [taylor]: Taking taylor expansion of (- x 1/2) in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.346 * [taylor]: Taking taylor expansion of 1/2 in x
0.348 * [taylor]: Taking taylor expansion of 0 in x
0.351 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 x) (* 1/2 (/ 1 y)))) in (y x) around 0
0.351 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 x) (* 1/2 (/ 1 y)))) in x
0.351 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.351 * [taylor]: Taking taylor expansion of (* x y) in x
0.351 * [taylor]: Taking taylor expansion of x in x
0.351 * [taylor]: Taking taylor expansion of y in x
0.352 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/2 (/ 1 y))) in x
0.352 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.352 * [taylor]: Taking taylor expansion of x in x
0.352 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.352 * [taylor]: Taking taylor expansion of 1/2 in x
0.352 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.352 * [taylor]: Taking taylor expansion of y in x
0.352 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 x) (* 1/2 (/ 1 y)))) in y
0.352 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.352 * [taylor]: Taking taylor expansion of (* x y) in y
0.352 * [taylor]: Taking taylor expansion of x in y
0.352 * [taylor]: Taking taylor expansion of y in y
0.353 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/2 (/ 1 y))) in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.353 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.353 * [taylor]: Taking taylor expansion of 1/2 in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.353 * [taylor]: Taking taylor expansion of y in y
0.353 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 x) (* 1/2 (/ 1 y)))) in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.353 * [taylor]: Taking taylor expansion of (* x y) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.353 * [taylor]: Taking taylor expansion of y in y
0.354 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/2 (/ 1 y))) in y
0.354 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.354 * [taylor]: Taking taylor expansion of x in y
0.354 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.354 * [taylor]: Taking taylor expansion of 1/2 in y
0.354 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.354 * [taylor]: Taking taylor expansion of y in y
0.355 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in x
0.355 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.355 * [taylor]: Taking taylor expansion of x in x
0.355 * [taylor]: Taking taylor expansion of 1/2 in x
0.359 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.359 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.359 * [taylor]: Taking taylor expansion of x in x
0.364 * [approximate]: Taking taylor expansion of (+ (/ 1 x) (+ (* 1/2 (/ 1 y)) (/ 1 (* x y)))) in (y x) around 0
0.364 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (+ (* 1/2 (/ 1 y)) (/ 1 (* x y)))) in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (/ 1 (* x y))) in x
0.364 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in x
0.364 * [taylor]: Taking taylor expansion of 1/2 in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.364 * [taylor]: Taking taylor expansion of y in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.364 * [taylor]: Taking taylor expansion of (* x y) in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of y in x
0.365 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (+ (* 1/2 (/ 1 y)) (/ 1 (* x y)))) in y
0.365 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.365 * [taylor]: Taking taylor expansion of x in y
0.365 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (/ 1 (* x y))) in y
0.365 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.365 * [taylor]: Taking taylor expansion of 1/2 in y
0.365 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.365 * [taylor]: Taking taylor expansion of y in y
0.365 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.365 * [taylor]: Taking taylor expansion of (* x y) in y
0.365 * [taylor]: Taking taylor expansion of x in y
0.366 * [taylor]: Taking taylor expansion of y in y
0.366 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (+ (* 1/2 (/ 1 y)) (/ 1 (* x y)))) in y
0.366 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.366 * [taylor]: Taking taylor expansion of x in y
0.366 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 y)) (/ 1 (* x y))) in y
0.366 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.366 * [taylor]: Taking taylor expansion of 1/2 in y
0.366 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.366 * [taylor]: Taking taylor expansion of y in y
0.367 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.367 * [taylor]: Taking taylor expansion of (* x y) in y
0.367 * [taylor]: Taking taylor expansion of x in y
0.367 * [taylor]: Taking taylor expansion of y in y
0.368 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1/2) in x
0.368 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.368 * [taylor]: Taking taylor expansion of x in x
0.368 * [taylor]: Taking taylor expansion of 1/2 in x
0.371 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.371 * [taylor]: Taking taylor expansion of x in x
0.375 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
0.376 * [approximate]: Taking taylor expansion of (* (- x 1/2) y) in (y x) around 0
0.376 * [taylor]: Taking taylor expansion of (* (- x 1/2) y) in x
0.376 * [taylor]: Taking taylor expansion of (- x 1/2) in x
0.376 * [taylor]: Taking taylor expansion of x in x
0.376 * [taylor]: Taking taylor expansion of 1/2 in x
0.376 * [taylor]: Taking taylor expansion of y in x
0.376 * [taylor]: Taking taylor expansion of (* (- x 1/2) y) in y
0.376 * [taylor]: Taking taylor expansion of (- x 1/2) in y
0.376 * [taylor]: Taking taylor expansion of x in y
0.376 * [taylor]: Taking taylor expansion of 1/2 in y
0.376 * [taylor]: Taking taylor expansion of y in y
0.376 * [taylor]: Taking taylor expansion of (* (- x 1/2) y) in y
0.376 * [taylor]: Taking taylor expansion of (- x 1/2) in y
0.376 * [taylor]: Taking taylor expansion of x in y
0.376 * [taylor]: Taking taylor expansion of 1/2 in y
0.376 * [taylor]: Taking taylor expansion of y in y
0.377 * [taylor]: Taking taylor expansion of 0 in x
0.378 * [taylor]: Taking taylor expansion of (- x 1/2) in x
0.378 * [taylor]: Taking taylor expansion of x in x
0.378 * [taylor]: Taking taylor expansion of 1/2 in x
0.379 * [taylor]: Taking taylor expansion of 0 in x
0.381 * [taylor]: Taking taylor expansion of 0 in x
0.383 * [taylor]: Taking taylor expansion of 0 in x
0.384 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in (y x) around 0
0.384 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in x
0.384 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in x
0.384 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.385 * [taylor]: Taking taylor expansion of x in x
0.385 * [taylor]: Taking taylor expansion of 1/2 in x
0.385 * [taylor]: Taking taylor expansion of y in x
0.385 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in y
0.385 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in y
0.385 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.385 * [taylor]: Taking taylor expansion of x in y
0.385 * [taylor]: Taking taylor expansion of 1/2 in y
0.385 * [taylor]: Taking taylor expansion of y in y
0.386 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in y
0.386 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in y
0.386 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.386 * [taylor]: Taking taylor expansion of x in y
0.386 * [taylor]: Taking taylor expansion of 1/2 in y
0.386 * [taylor]: Taking taylor expansion of y in y
0.387 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in x
0.387 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.387 * [taylor]: Taking taylor expansion of x in x
0.388 * [taylor]: Taking taylor expansion of 1/2 in x
0.390 * [taylor]: Taking taylor expansion of 0 in x
0.394 * [taylor]: Taking taylor expansion of 0 in x
0.398 * [taylor]: Taking taylor expansion of 0 in x
0.403 * [taylor]: Taking taylor expansion of 0 in x
0.406 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) 1/2) y) in (y x) around 0
0.406 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1/2) y) in x
0.406 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1/2) in x
0.406 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.406 * [taylor]: Taking taylor expansion of x in x
0.406 * [taylor]: Taking taylor expansion of 1/2 in x
0.406 * [taylor]: Taking taylor expansion of y in x
0.406 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1/2) y) in y
0.407 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1/2) in y
0.407 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.407 * [taylor]: Taking taylor expansion of x in y
0.407 * [taylor]: Taking taylor expansion of 1/2 in y
0.407 * [taylor]: Taking taylor expansion of y in y
0.407 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1/2) y) in y
0.407 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1/2) in y
0.408 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.408 * [taylor]: Taking taylor expansion of x in y
0.408 * [taylor]: Taking taylor expansion of 1/2 in y
0.408 * [taylor]: Taking taylor expansion of y in y
0.408 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1/2) in x
0.409 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.409 * [taylor]: Taking taylor expansion of x in x
0.409 * [taylor]: Taking taylor expansion of 1/2 in x
0.410 * [taylor]: Taking taylor expansion of 0 in x
0.412 * [taylor]: Taking taylor expansion of 0 in x
0.415 * [taylor]: Taking taylor expansion of 0 in x
0.418 * [taylor]: Taking taylor expansion of 0 in x
0.420 * * * [progress]: simplifying candidates
0.421 * [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 (*.f64 1/2 y) x))
  (-.f64 (*.f64 x y) (+.f64 (*.f64 1/2 y) x))
  (-.f64 (*.f64 x y) (+.f64 (*.f64 1/2 y) x))
  (-.f64 (*.f64 x y) (*.f64 1/2 y))
  (-.f64 (*.f64 x y) (*.f64 1/2 y))
  (-.f64 (*.f64 x y) (*.f64 1/2 y))
0.481 * * [simplify]: iteration  0 :  4890  enodes  (cost  464 )
0.481 * * [simplify]: iteration  1 :  4890  enodes  (cost  464 )
0.485 * [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))
0.485 * * * [progress]: adding candidates to table
0.508 * [progress]: [Phase 3 of 3] Extracting.
0.508 * * [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))>)
0.509 * * * [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)
0.509 * * * * [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))>)
0.520 * * * * [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))>)
0.529 * * * * [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))>)
0.537 * * * * [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))>)
0.546 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.546 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992)
0.548 * * [simplify]: iteration  0 :  58  enodes  (cost  16 )
0.548 * * [simplify]: iteration  1 :  58  enodes  (cost  16 )
0.548 * [simplify]: Simplified to:
   (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992)
0.970 * [regime-testing]: End program error score: 0.009751218902362795