21.563 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.099 * * * [progress]: [2/2] Setting up program.
0.101 * [progress]: [Phase 2 of 3] Improving.
0.102 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (-.f64 (*.f64 x (-.f64 y 1)) (*.f64 y 1/2)) 8277062471433911/9007199254740992)
0.124 * * [simplify]: iteration  0 :  563  enodes  (cost  9 )
0.124 * * [simplify]: iteration  1 :  563  enodes  (cost  9 )
0.124 * [simplify]: Simplified to:
   (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992)
0.127 * * [progress]: iteration 1 / 4
0.127 * * * [progress]: picking best candidate
0.128 * * * * [pick]: Picked  #<alt (λ (x y) (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992))>
0.128 * * * [progress]: localizing error
0.137 * * * [progress]: generating rewritten candidates
0.137 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
0.144 * * * [progress]: generating series expansions
0.144 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
0.144 * [approximate]: Taking taylor expansion of (* (- x 1/2) y) in (y x) around 0
0.144 * [taylor]: Taking taylor expansion of (* (- x 1/2) y) in x
0.144 * [taylor]: Taking taylor expansion of (- x 1/2) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [taylor]: Taking taylor expansion of 1/2 in x
0.144 * [taylor]: Taking taylor expansion of y in x
0.144 * [taylor]: Taking taylor expansion of (* (- x 1/2) y) in y
0.144 * [taylor]: Taking taylor expansion of (- x 1/2) in y
0.144 * [taylor]: Taking taylor expansion of x in y
0.144 * [taylor]: Taking taylor expansion of 1/2 in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.144 * [taylor]: Taking taylor expansion of (* (- x 1/2) y) in y
0.144 * [taylor]: Taking taylor expansion of (- x 1/2) in y
0.144 * [taylor]: Taking taylor expansion of x in y
0.144 * [taylor]: Taking taylor expansion of 1/2 in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.144 * [taylor]: Taking taylor expansion of 0 in x
0.145 * [taylor]: Taking taylor expansion of (- x 1/2) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of 1/2 in x
0.145 * [taylor]: Taking taylor expansion of 0 in x
0.145 * [taylor]: Taking taylor expansion of 0 in x
0.145 * [taylor]: Taking taylor expansion of 0 in x
0.145 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in (y x) around 0
0.145 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in x
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in x
0.145 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of 1/2 in x
0.145 * [taylor]: Taking taylor expansion of y in x
0.145 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in y
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.145 * [taylor]: Taking taylor expansion of x in y
0.145 * [taylor]: Taking taylor expansion of 1/2 in y
0.145 * [taylor]: Taking taylor expansion of y in y
0.146 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1/2) y) in y
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1/2) in y
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.146 * [taylor]: Taking taylor expansion of x 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 (- (/ 1 x) 1/2) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of 1/2 in x
0.146 * [taylor]: Taking taylor expansion of 0 in x
0.146 * [taylor]: Taking taylor expansion of 0 in x
0.147 * [taylor]: Taking taylor expansion of 0 in x
0.147 * [taylor]: Taking taylor expansion of 0 in x
0.147 * [approximate]: Taking taylor expansion of (/ (+ 1/2 (/ 1 x)) y) in (y x) around 0
0.147 * [taylor]: Taking taylor expansion of (/ (+ 1/2 (/ 1 x)) y) in x
0.147 * [taylor]: Taking taylor expansion of (+ 1/2 (/ 1 x)) in x
0.147 * [taylor]: Taking taylor expansion of 1/2 in x
0.147 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.147 * [taylor]: Taking taylor expansion of y in x
0.147 * [taylor]: Taking taylor expansion of (/ (+ 1/2 (/ 1 x)) y) in y
0.147 * [taylor]: Taking taylor expansion of (+ 1/2 (/ 1 x)) in y
0.147 * [taylor]: Taking taylor expansion of 1/2 in y
0.147 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.147 * [taylor]: Taking taylor expansion of x in y
0.147 * [taylor]: Taking taylor expansion of y in y
0.147 * [taylor]: Taking taylor expansion of (/ (+ 1/2 (/ 1 x)) y) in y
0.147 * [taylor]: Taking taylor expansion of (+ 1/2 (/ 1 x)) in y
0.147 * [taylor]: Taking taylor expansion of 1/2 in y
0.148 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.148 * [taylor]: Taking taylor expansion of x in y
0.148 * [taylor]: Taking taylor expansion of y in y
0.148 * [taylor]: Taking taylor expansion of (+ 1/2 (/ 1 x)) in x
0.148 * [taylor]: Taking taylor expansion of 1/2 in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [taylor]: Taking taylor expansion of 0 in x
0.148 * [taylor]: Taking taylor expansion of 0 in x
0.148 * [taylor]: Taking taylor expansion of 0 in x
0.149 * [taylor]: Taking taylor expansion of 0 in x
0.149 * * * [progress]: simplifying candidates
0.149 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 y (+.f64 x -1/2))
  (+.f64 (log.f64 y) (log.f64 (+.f64 x -1/2)))
  (log.f64 (*.f64 y (+.f64 x -1/2)))
  (exp.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)))
  (*.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 (+.f64 x -1/2)) (*.f64 y (+.f64 x -1/2))) (*.f64 y (+.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 y x)
  (*.f64 y -1/2)
  (*.f64 x y)
  (*.f64 -1/2 y)
  (*.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 (cbrt.f64 y) (+.f64 x -1/2))
  (*.f64 (sqrt.f64 y) (+.f64 x -1/2))
  (*.f64 y (+.f64 x -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 (*.f64 x y) (*.f64 1/2 y))
  (-.f64 (*.f64 x y) (*.f64 1/2 y))
  (-.f64 (*.f64 x y) (*.f64 1/2 y))
0.190 * * [simplify]: iteration  0 :  5394  enodes  (cost  159 )
0.192 * [simplify]: Simplified to:
   (*.f64 y (+.f64 x -1/2))
  (log.f64 (*.f64 y (+.f64 x -1/2)))
  (log.f64 (*.f64 y (+.f64 x -1/2)))
  (exp.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 (cbrt.f64 (+.f64 x -1/2)) (cbrt.f64 (+.f64 x -1/2))))
  (*.f64 y (sqrt.f64 (+.f64 x -1/2)))
  y
  y
  (*.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 (pow.f64 x 3) -1/8))
  (*.f64 y (-.f64 (*.f64 x x) 1/4))
  (*.f64 y (+.f64 x -1/2))
  (*.f64 y (+.f64 x -1/2))
  (*.f64 y (+.f64 x -1/2))
0.192 * * * [progress]: adding candidates to table
0.202 * [progress]: [Phase 3 of 3] Extracting.
0.204 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992)
0.206 * * [simplify]: iteration  0 :  21  enodes  (cost  9 )
0.206 * * [simplify]: iteration  1 :  21  enodes  (cost  9 )
0.206 * [simplify]: Simplified to:
   (+.f64 (-.f64 (*.f64 y (+.f64 x -1/2)) x) 8277062471433911/9007199254740992)
0.697 * [regime-testing]: End program error score: 0.008476978987630656