34.401 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.301 * * * [progress]: [2/2] Setting up program.
0.304 * [progress]: [Phase 2 of 3] Improving.
0.304 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ (* x x) y))
0.306 * * [simplify]: iteration  0 :  6  enodes  (cost  6 )
0.306 * * [simplify]: iteration  1 :  6  enodes  (cost  6 )
0.306 * [simplify]: Simplified to:
   (sqrt (+ (* x x) y))
0.307 * * [progress]: iteration 1 / 4
0.307 * * * [progress]: picking best candidate
0.313 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) y)))>
0.313 * * * [progress]: localizing error
0.317 * * * [progress]: generating rewritten candidates
0.317 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.321 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.325 * * * [progress]: generating series expansions
0.325 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.325 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.325 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.325 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.325 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.325 * [taylor]: Taking taylor expansion of x in y
0.325 * [taylor]: Taking taylor expansion of y in y
0.325 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.326 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.326 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.326 * [taylor]: Taking taylor expansion of x in x
0.326 * [taylor]: Taking taylor expansion of y in x
0.326 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.326 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.326 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.326 * [taylor]: Taking taylor expansion of x in x
0.326 * [taylor]: Taking taylor expansion of y in x
0.326 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.326 * [taylor]: Taking taylor expansion of y in y
0.326 * [taylor]: Taking taylor expansion of 0 in y
0.326 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.326 * [taylor]: Taking taylor expansion of 1/2 in y
0.326 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.326 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.326 * [taylor]: Taking taylor expansion of y in y
0.327 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.327 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.327 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.327 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.327 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.327 * [taylor]: Taking taylor expansion of x in y
0.327 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.327 * [taylor]: Taking taylor expansion of y in y
0.327 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.327 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.327 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.327 * [taylor]: Taking taylor expansion of x in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.327 * [taylor]: Taking taylor expansion of y in x
0.327 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.327 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.327 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.327 * [taylor]: Taking taylor expansion of x in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.327 * [taylor]: Taking taylor expansion of y in x
0.328 * [taylor]: Taking taylor expansion of 1 in y
0.328 * [taylor]: Taking taylor expansion of 0 in y
0.328 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.328 * [taylor]: Taking taylor expansion of 1/2 in y
0.328 * [taylor]: Taking taylor expansion of y in y
0.328 * [taylor]: Taking taylor expansion of 0 in y
0.328 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.328 * [taylor]: Taking taylor expansion of -1/8 in y
0.328 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.328 * [taylor]: Taking taylor expansion of y in y
0.329 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.329 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.329 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.329 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.329 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.329 * [taylor]: Taking taylor expansion of x in y
0.329 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.329 * [taylor]: Taking taylor expansion of y in y
0.329 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.329 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.329 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.329 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.329 * [taylor]: Taking taylor expansion of x in x
0.329 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.329 * [taylor]: Taking taylor expansion of y in x
0.329 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.329 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.329 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.329 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.329 * [taylor]: Taking taylor expansion of x in x
0.329 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.329 * [taylor]: Taking taylor expansion of y in x
0.329 * [taylor]: Taking taylor expansion of 1 in y
0.330 * [taylor]: Taking taylor expansion of 0 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 0 in y
0.330 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.330 * [taylor]: Taking taylor expansion of -1/8 in y
0.330 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.330 * [taylor]: Taking taylor expansion of y in y
0.331 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.331 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.331 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.331 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.331 * [taylor]: Taking taylor expansion of x in y
0.331 * [taylor]: Taking taylor expansion of y in y
0.331 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.331 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.331 * [taylor]: Taking taylor expansion of x in x
0.331 * [taylor]: Taking taylor expansion of y in x
0.331 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.331 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.331 * [taylor]: Taking taylor expansion of x in x
0.331 * [taylor]: Taking taylor expansion of y in x
0.331 * [taylor]: Taking taylor expansion of y in y
0.331 * [taylor]: Taking taylor expansion of 0 in y
0.331 * [taylor]: Taking taylor expansion of 1 in y
0.331 * [taylor]: Taking taylor expansion of 0 in y
0.331 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.331 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.331 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.331 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.331 * [taylor]: Taking taylor expansion of x in y
0.331 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.331 * [taylor]: Taking taylor expansion of y in y
0.332 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.332 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.332 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.332 * [taylor]: Taking taylor expansion of y in x
0.332 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.332 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.332 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.332 * [taylor]: Taking taylor expansion of y in x
0.332 * [taylor]: Taking taylor expansion of 1 in y
0.332 * [taylor]: Taking taylor expansion of 0 in y
0.332 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.332 * [taylor]: Taking taylor expansion of y in y
0.332 * [taylor]: Taking taylor expansion of 0 in y
0.332 * [taylor]: Taking taylor expansion of 0 in y
0.333 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.333 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.333 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.333 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.333 * [taylor]: Taking taylor expansion of x in y
0.333 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.333 * [taylor]: Taking taylor expansion of y in y
0.333 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.333 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.333 * [taylor]: Taking taylor expansion of x in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.333 * [taylor]: Taking taylor expansion of y in x
0.333 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.333 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.333 * [taylor]: Taking taylor expansion of x in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.333 * [taylor]: Taking taylor expansion of y in x
0.333 * [taylor]: Taking taylor expansion of 1 in y
0.333 * [taylor]: Taking taylor expansion of 0 in y
0.333 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.333 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.333 * [taylor]: Taking taylor expansion of y in y
0.334 * [taylor]: Taking taylor expansion of 0 in y
0.334 * [taylor]: Taking taylor expansion of 0 in y
0.334 * * * [progress]: simplifying candidates
0.334 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (* (* (sqrt (+ (* x x) y)) (sqrt (+ (* x x) y))) (sqrt (+ (* x x) y)))
  (sqrt (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt 1)
  (sqrt (+ (* x x) y))
  (sqrt (+ (pow (* x x) 3) (pow y 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y))))
  (sqrt (- (* (* x x) (* x x)) (* y y)))
  (sqrt (- (* x x) y))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (* (exp (* x x)) (exp y))
  (log (+ (* x x) y))
  (exp (+ (* x x) y))
  (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y)))
  (cbrt (+ (* x x) y))
  (* (* (+ (* x x) y) (+ (* x x) y)) (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (+ (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y)))
  (- (* (* x x) (* x x)) (* y y))
  (- (* x x) y)
  (+ (* (pow NAN 3) (pow y 2)) (+ (* NAN y) (* 1/2 (* (pow x 2) NAN))))
  (+ x (* 1/2 (/ y x)))
  (neg (+ x (* 1/2 (/ y x))))
  (+ (pow x 2) y)
  (+ (pow x 2) y)
  (+ (pow x 2) y)
0.387 * * [simplify]: iteration  0 :  4926  enodes  (cost  260 )
0.387 * * [simplify]: iteration  1 :  4926  enodes  (cost  260 )
0.388 * [simplify]: Simplified to:
   (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (pow (sqrt (+ (* x x) y)) 3)
  (fabs (cbrt (+ (* x x) y)))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  1
  (sqrt (+ (* x x) y))
  (sqrt (+ (pow x 6) (pow y 3)))
  (sqrt (+ (pow x 4) (* y (- y (* x x)))))
  (sqrt (- (pow x 4) (* y y)))
  (sqrt (- (* x x) y))
  1/2
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (exp (+ (* x x) y))
  (log (+ (* x x) y))
  (exp (+ (* x x) y))
  (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y)))
  (cbrt (+ (* x x) y))
  (pow (+ (* x x) y) 3)
  (sqrt (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (+ (pow x 6) (pow y 3))
  (+ (pow x 4) (* y (- y (* x x))))
  (- (pow x 4) (* y y))
  (- (* x x) y)
  (+ (* y (* y (pow NAN 3))) (* NAN (+ y (* x (* x 1/2)))))
  (+ x (* y (/ 1/2 x)))
  (- (* y (/ -1/2 x)) x)
  (+ (* x x) y)
  (+ (* x x) y)
  (+ (* x x) y)
0.389 * * * [progress]: adding candidates to table
0.421 * * [progress]: iteration 2 / 4
0.421 * * * [progress]: picking best candidate
0.425 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (* y (/ 1/2 x))))>
0.425 * * * [progress]: localizing error
0.432 * * * [progress]: generating rewritten candidates
0.432 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.440 * * * [progress]: generating series expansions
0.440 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.440 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (y x) around 0
0.440 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.440 * [taylor]: Taking taylor expansion of 1/2 in x
0.440 * [taylor]: Taking taylor expansion of (/ y x) in x
0.440 * [taylor]: Taking taylor expansion of y in x
0.440 * [taylor]: Taking taylor expansion of x in x
0.440 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.440 * [taylor]: Taking taylor expansion of 1/2 in y
0.440 * [taylor]: Taking taylor expansion of (/ y x) in y
0.440 * [taylor]: Taking taylor expansion of y in y
0.440 * [taylor]: Taking taylor expansion of x in y
0.440 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.440 * [taylor]: Taking taylor expansion of 1/2 in y
0.440 * [taylor]: Taking taylor expansion of (/ y x) in y
0.440 * [taylor]: Taking taylor expansion of y in y
0.440 * [taylor]: Taking taylor expansion of x in y
0.441 * [taylor]: Taking taylor expansion of (/ 1/2 x) in x
0.441 * [taylor]: Taking taylor expansion of 1/2 in x
0.441 * [taylor]: Taking taylor expansion of x in x
0.441 * [taylor]: Taking taylor expansion of 0 in x
0.441 * [taylor]: Taking taylor expansion of 0 in x
0.442 * [taylor]: Taking taylor expansion of 0 in x
0.442 * [approximate]: Taking taylor expansion of (* 1/2 (/ x y)) in (y x) around 0
0.442 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.442 * [taylor]: Taking taylor expansion of 1/2 in x
0.442 * [taylor]: Taking taylor expansion of (/ x y) in x
0.442 * [taylor]: Taking taylor expansion of x in x
0.442 * [taylor]: Taking taylor expansion of y in x
0.442 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.442 * [taylor]: Taking taylor expansion of 1/2 in y
0.442 * [taylor]: Taking taylor expansion of (/ x y) in y
0.442 * [taylor]: Taking taylor expansion of x in y
0.442 * [taylor]: Taking taylor expansion of y in y
0.442 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.442 * [taylor]: Taking taylor expansion of 1/2 in y
0.442 * [taylor]: Taking taylor expansion of (/ x y) in y
0.442 * [taylor]: Taking taylor expansion of x in y
0.442 * [taylor]: Taking taylor expansion of y in y
0.442 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.443 * [taylor]: Taking taylor expansion of 1/2 in x
0.443 * [taylor]: Taking taylor expansion of x in x
0.443 * [taylor]: Taking taylor expansion of 0 in x
0.443 * [taylor]: Taking taylor expansion of 0 in x
0.443 * [taylor]: Taking taylor expansion of 0 in x
0.444 * [approximate]: Taking taylor expansion of (* 1/2 (/ x y)) in (y x) around 0
0.444 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.444 * [taylor]: Taking taylor expansion of 1/2 in x
0.444 * [taylor]: Taking taylor expansion of (/ x y) in x
0.444 * [taylor]: Taking taylor expansion of x in x
0.444 * [taylor]: Taking taylor expansion of y in x
0.444 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.444 * [taylor]: Taking taylor expansion of 1/2 in y
0.444 * [taylor]: Taking taylor expansion of (/ x y) in y
0.444 * [taylor]: Taking taylor expansion of x in y
0.444 * [taylor]: Taking taylor expansion of y in y
0.444 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.444 * [taylor]: Taking taylor expansion of 1/2 in y
0.444 * [taylor]: Taking taylor expansion of (/ x y) in y
0.444 * [taylor]: Taking taylor expansion of x in y
0.444 * [taylor]: Taking taylor expansion of y in y
0.444 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.444 * [taylor]: Taking taylor expansion of 1/2 in x
0.444 * [taylor]: Taking taylor expansion of x in x
0.444 * [taylor]: Taking taylor expansion of 0 in x
0.445 * [taylor]: Taking taylor expansion of 0 in x
0.445 * [taylor]: Taking taylor expansion of 0 in x
0.445 * * * [progress]: simplifying candidates
0.446 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* y (/ 1/2 x))
  (+ (log y) (- (log 1/2) (log x)))
  (+ (log y) (log (/ 1/2 x)))
  (log (* y (/ 1/2 x)))
  (exp (* y (/ 1/2 x)))
  (* (* (* y y) y) (/ (* (* 1/2 1/2) 1/2) (* (* x x) x)))
  (* (* (* y y) y) (* (* (/ 1/2 x) (/ 1/2 x)) (/ 1/2 x)))
  (* (cbrt (* y (/ 1/2 x))) (cbrt (* y (/ 1/2 x))))
  (cbrt (* y (/ 1/2 x)))
  (* (* (* y (/ 1/2 x)) (* y (/ 1/2 x))) (* y (/ 1/2 x)))
  (sqrt (* y (/ 1/2 x)))
  (sqrt (* y (/ 1/2 x)))
  (* (sqrt y) (sqrt (/ 1/2 x)))
  (* (sqrt y) (sqrt (/ 1/2 x)))
  (* (sqrt y) (/ (sqrt 1/2) (sqrt x)))
  (* (sqrt y) (/ (sqrt 1/2) (sqrt x)))
  (* y (* (cbrt (/ 1/2 x)) (cbrt (/ 1/2 x))))
  (* y (sqrt (/ 1/2 x)))
  (* y (/ (* (cbrt 1/2) (cbrt 1/2)) (* (cbrt x) (cbrt x))))
  (* y (/ (* (cbrt 1/2) (cbrt 1/2)) (sqrt x)))
  (* y (/ (* (cbrt 1/2) (cbrt 1/2)) 1))
  (* y (/ (sqrt 1/2) (* (cbrt x) (cbrt x))))
  (* y (/ (sqrt 1/2) (sqrt x)))
  (* y (/ (sqrt 1/2) 1))
  (* y (/ 1 (* (cbrt x) (cbrt x))))
  (* y (/ 1 (sqrt x)))
  (* y (/ 1 1))
  (* y 1)
  (* y 1/2)
  (* (cbrt y) (/ 1/2 x))
  (* (sqrt y) (/ 1/2 x))
  (* y (/ 1/2 x))
  (* y 1/2)
  (* 1/2 (/ y x))
  (* 1/2 (/ y x))
  (* 1/2 (/ y x))
0.505 * * [simplify]: iteration  0 :  4960  enodes  (cost  229 )
0.505 * * [simplify]: iteration  1 :  4960  enodes  (cost  229 )
0.507 * [simplify]: Simplified to:
   (* y (/ 1/2 x))
  (log (* y (/ 1/2 x)))
  (log (* y (/ 1/2 x)))
  (log (* y (/ 1/2 x)))
  (sqrt (exp (/ y x)))
  (* 1/8 (pow (/ y x) 3))
  (* 1/8 (pow (/ y x) 3))
  (* (cbrt (* y (/ 1/2 x))) (cbrt (* y (/ 1/2 x))))
  (cbrt (* y (/ 1/2 x)))
  (* 1/8 (pow (/ y x) 3))
  (sqrt (* y (/ 1/2 x)))
  (sqrt (* y (/ 1/2 x)))
  (* (sqrt y) (sqrt (/ 1/2 x)))
  (* (sqrt y) (sqrt (/ 1/2 x)))
  (* (sqrt y) (/ (sqrt 1/2) (sqrt x)))
  (* (sqrt y) (/ (sqrt 1/2) (sqrt x)))
  (* y (* (cbrt (/ 1/2 x)) (cbrt (/ 1/2 x))))
  (* y (sqrt (/ 1/2 x)))
  (* y (* (cbrt 1/2) (/ (cbrt 1/2) (* (cbrt x) (cbrt x)))))
  (* y (* (cbrt 1/2) (/ (cbrt 1/2) (sqrt x))))
  (* y (* (cbrt 1/2) (cbrt 1/2)))
  (* y (/ (sqrt 1/2) (* (cbrt x) (cbrt x))))
  (* y (/ (sqrt 1/2) (sqrt x)))
  (* y (sqrt 1/2))
  (/ y (* (cbrt x) (cbrt x)))
  (/ y (sqrt x))
  y
  y
  (* y 1/2)
  (* 1/2 (/ (cbrt y) x))
  (* 1/2 (/ (sqrt y) x))
  (* y (/ 1/2 x))
  (* y 1/2)
  (* y (/ 1/2 x))
  (* y (/ 1/2 x))
  (* y (/ 1/2 x))
0.507 * * * [progress]: adding candidates to table
0.539 * * [progress]: iteration 3 / 4
0.539 * * * [progress]: picking best candidate
0.541 * * * * [pick]: Picked  #<alt (λ (x y) (- (* y (/ -1/2 x)) x))>
0.541 * * * [progress]: localizing error
0.546 * * * [progress]: generating rewritten candidates
0.546 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.553 * * * [progress]: generating series expansions
0.553 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.553 * [approximate]: Taking taylor expansion of (* -1/2 (/ y x)) in (y x) around 0
0.553 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in x
0.553 * [taylor]: Taking taylor expansion of -1/2 in x
0.553 * [taylor]: Taking taylor expansion of (/ y x) in x
0.553 * [taylor]: Taking taylor expansion of y in x
0.553 * [taylor]: Taking taylor expansion of x in x
0.554 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in y
0.554 * [taylor]: Taking taylor expansion of -1/2 in y
0.554 * [taylor]: Taking taylor expansion of (/ y x) in y
0.554 * [taylor]: Taking taylor expansion of y in y
0.554 * [taylor]: Taking taylor expansion of x in y
0.554 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in y
0.554 * [taylor]: Taking taylor expansion of -1/2 in y
0.554 * [taylor]: Taking taylor expansion of (/ y x) in y
0.554 * [taylor]: Taking taylor expansion of y in y
0.554 * [taylor]: Taking taylor expansion of x in y
0.554 * [taylor]: Taking taylor expansion of (/ -1/2 x) in x
0.554 * [taylor]: Taking taylor expansion of -1/2 in x
0.554 * [taylor]: Taking taylor expansion of x in x
0.554 * [taylor]: Taking taylor expansion of 0 in x
0.554 * [taylor]: Taking taylor expansion of 0 in x
0.554 * [taylor]: Taking taylor expansion of 0 in x
0.555 * [approximate]: Taking taylor expansion of (* -1/2 (/ x y)) in (y x) around 0
0.555 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in x
0.555 * [taylor]: Taking taylor expansion of -1/2 in x
0.555 * [taylor]: Taking taylor expansion of (/ x y) in x
0.555 * [taylor]: Taking taylor expansion of x in x
0.555 * [taylor]: Taking taylor expansion of y in x
0.555 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.555 * [taylor]: Taking taylor expansion of -1/2 in y
0.555 * [taylor]: Taking taylor expansion of (/ x y) in y
0.555 * [taylor]: Taking taylor expansion of x in y
0.555 * [taylor]: Taking taylor expansion of y in y
0.555 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.555 * [taylor]: Taking taylor expansion of -1/2 in y
0.555 * [taylor]: Taking taylor expansion of (/ x y) in y
0.555 * [taylor]: Taking taylor expansion of x in y
0.555 * [taylor]: Taking taylor expansion of y in y
0.555 * [taylor]: Taking taylor expansion of (* -1/2 x) in x
0.555 * [taylor]: Taking taylor expansion of -1/2 in x
0.555 * [taylor]: Taking taylor expansion of x in x
0.555 * [taylor]: Taking taylor expansion of 0 in x
0.555 * [taylor]: Taking taylor expansion of 0 in x
0.556 * [taylor]: Taking taylor expansion of 0 in x
0.556 * [approximate]: Taking taylor expansion of (* -1/2 (/ x y)) in (y x) around 0
0.556 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in x
0.556 * [taylor]: Taking taylor expansion of -1/2 in x
0.556 * [taylor]: Taking taylor expansion of (/ x y) in x
0.556 * [taylor]: Taking taylor expansion of x in x
0.556 * [taylor]: Taking taylor expansion of y in x
0.556 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.556 * [taylor]: Taking taylor expansion of -1/2 in y
0.556 * [taylor]: Taking taylor expansion of (/ x y) in y
0.556 * [taylor]: Taking taylor expansion of x in y
0.556 * [taylor]: Taking taylor expansion of y in y
0.556 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
0.556 * [taylor]: Taking taylor expansion of -1/2 in y
0.556 * [taylor]: Taking taylor expansion of (/ x y) in y
0.556 * [taylor]: Taking taylor expansion of x in y
0.556 * [taylor]: Taking taylor expansion of y in y
0.556 * [taylor]: Taking taylor expansion of (* -1/2 x) in x
0.556 * [taylor]: Taking taylor expansion of -1/2 in x
0.556 * [taylor]: Taking taylor expansion of x in x
0.556 * [taylor]: Taking taylor expansion of 0 in x
0.556 * [taylor]: Taking taylor expansion of 0 in x
0.557 * [taylor]: Taking taylor expansion of 0 in x
0.557 * * * [progress]: simplifying candidates
0.557 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* y (/ -1/2 x))
  (+ (log y) (- (log -1/2) (log x)))
  (+ (log y) (log (/ -1/2 x)))
  (log (* y (/ -1/2 x)))
  (exp (* y (/ -1/2 x)))
  (* (* (* y y) y) (/ (* (* -1/2 -1/2) -1/2) (* (* x x) x)))
  (* (* (* y y) y) (* (* (/ -1/2 x) (/ -1/2 x)) (/ -1/2 x)))
  (* (cbrt (* y (/ -1/2 x))) (cbrt (* y (/ -1/2 x))))
  (cbrt (* y (/ -1/2 x)))
  (* (* (* y (/ -1/2 x)) (* y (/ -1/2 x))) (* y (/ -1/2 x)))
  (sqrt (* y (/ -1/2 x)))
  (sqrt (* y (/ -1/2 x)))
  (* (sqrt y) (sqrt (/ -1/2 x)))
  (* (sqrt y) (sqrt (/ -1/2 x)))
  (* (sqrt y) (/ (sqrt -1/2) (sqrt x)))
  (* (sqrt y) (/ (sqrt -1/2) (sqrt x)))
  (* y (* (cbrt (/ -1/2 x)) (cbrt (/ -1/2 x))))
  (* y (sqrt (/ -1/2 x)))
  (* y (/ (* (cbrt -1/2) (cbrt -1/2)) (* (cbrt x) (cbrt x))))
  (* y (/ (* (cbrt -1/2) (cbrt -1/2)) (sqrt x)))
  (* y (/ (* (cbrt -1/2) (cbrt -1/2)) 1))
  (* y (/ (sqrt -1/2) (* (cbrt x) (cbrt x))))
  (* y (/ (sqrt -1/2) (sqrt x)))
  (* y (/ (sqrt -1/2) 1))
  (* y (/ 1 (* (cbrt x) (cbrt x))))
  (* y (/ 1 (sqrt x)))
  (* y (/ 1 1))
  (* y 1)
  (* y -1/2)
  (* (cbrt y) (/ -1/2 x))
  (* (sqrt y) (/ -1/2 x))
  (* y (/ -1/2 x))
  (* y -1/2)
  (* -1/2 (/ y x))
  (* -1/2 (/ y x))
  (* -1/2 (/ y x))
0.618 * * [simplify]: iteration  0 :  5360  enodes  (cost  230 )
0.620 * [simplify]: Simplified to:
   (* y (/ -1/2 x))
  (log (* y (/ -1/2 x)))
  (log (* y (/ -1/2 x)))
  (log (* y (/ -1/2 x)))
  (pow (exp y) (/ -1/2 x))
  (* -1/8 (pow (/ y x) 3))
  (* -1/8 (pow (/ y x) 3))
  (* (cbrt (* y (/ -1/2 x))) (cbrt (* y (/ -1/2 x))))
  (cbrt (* y (/ -1/2 x)))
  (* -1/8 (pow (/ y x) 3))
  (sqrt (* y (/ -1/2 x)))
  (sqrt (* y (/ -1/2 x)))
  (* (sqrt y) (sqrt (/ -1/2 x)))
  (* (sqrt y) (sqrt (/ -1/2 x)))
  (* (sqrt y) (/ (sqrt -1/2) (sqrt x)))
  (* (sqrt y) (/ (sqrt -1/2) (sqrt x)))
  (* y (* (cbrt (/ -1/2 x)) (cbrt (/ -1/2 x))))
  (* y (sqrt (/ -1/2 x)))
  (* y (* (cbrt -1/2) (/ (cbrt -1/2) (* (cbrt x) (cbrt x)))))
  (* y (* (cbrt -1/2) (/ (cbrt -1/2) (sqrt x))))
  (* y (* (cbrt -1/2) (cbrt -1/2)))
  (* y (/ (sqrt -1/2) (* (cbrt x) (cbrt x))))
  (* y (/ (sqrt -1/2) (sqrt x)))
  (* y (sqrt -1/2))
  (/ y (* (cbrt x) (cbrt x)))
  (/ y (sqrt x))
  y
  y
  (* y -1/2)
  (* -1/2 (/ (cbrt y) x))
  (* -1/2 (/ (sqrt y) x))
  (* y (/ -1/2 x))
  (* y -1/2)
  (* y (/ -1/2 x))
  (* y (/ -1/2 x))
  (* y (/ -1/2 x))
0.620 * * * [progress]: adding candidates to table
0.652 * [progress]: [Phase 3 of 3] Extracting.
0.653 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ x (* y (/ 1/2 x))))> #<alt (λ (x y) (- (* y (/ -1/2 x)) x))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
0.653 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (+ (* x x) y) (sqrt (+ (* x x) y)) y x)
0.653 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (+ x (* y (/ 1/2 x))))> #<alt (λ (x y) (- (* y (/ -1/2 x)) x))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
0.688 * * * * [regimes]: Trying to branch on (+ (* x x) y) from (#<alt (λ (x y) (+ x (* y (/ 1/2 x))))> #<alt (λ (x y) (- (* y (/ -1/2 x)) x))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
0.724 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) y)) from (#<alt (λ (x y) (+ x (* y (/ 1/2 x))))> #<alt (λ (x y) (- (* y (/ -1/2 x)) x))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
0.763 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ x (* y (/ 1/2 x))))> #<alt (λ (x y) (- (* y (/ -1/2 x)) x))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
0.801 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ x (* y (/ 1/2 x))))> #<alt (λ (x y) (- (* y (/ -1/2 x)) x))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
0.843 * * * [regime]: Found split indices: #<option (#s(si 1 49) #s(si 2 209) #s(si 0 255))>
0.843 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (+ x (* y (/ 1/2 x))))> #<alt (λ (x y) (- (* y (/ -1/2 x)) x))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
0.865 * [regimes]: Found splitpoints: (#s(sp 1 x -1.3695581431145475e+154) #s(sp 2 x 9.466964783487594e+132) #s(sp 0 x +nan.0)) , with alts (#<alt (λ (x y) (+ x (* y (/ 1/2 x))))> #<alt (λ (x y) (- (* y (/ -1/2 x)) x))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
0.865 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= x -1.3695581431145475e+154) (- (* y (/ -1/2 x)) x) (if (<= x 9.466964783487594e+132) (sqrt (+ (* x x) y)) (+ x (* y (/ 1/2 x)))))
0.866 * * [simplify]: iteration  0 :  33  enodes  (cost  28 )
0.866 * * [simplify]: iteration  1 :  33  enodes  (cost  28 )
0.866 * [simplify]: Simplified to:
   (if (<= x -1.3695581431145475e+154) (- (* y (/ -1/2 x)) x) (if (<= x 9.466964783487594e+132) (sqrt (+ y (* x x))) (+ x (* y (/ 1/2 x)))))
1.522 * [regime-testing]: End program error score: 0.04464637945940492
1.608 * [regime-testing]: Target error score: 0.6051770107793218