8.232 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.069 * * * [progress]: [2/2] Setting up program.
0.072 * [progress]: [Phase 2 of 3] Improving.
0.072 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x y) (+ y y))
0.080 * * [simplify]: iteration  0 :  203  enodes  (cost  7 )
0.081 * * [simplify]: iteration  1 :  203  enodes  (cost  7 )
0.081 * [simplify]: Simplified to:
   (+ 1/2 (* x (/ 1/2 y)))
0.084 * * [progress]: iteration 1 / 4
0.085 * * * [progress]: picking best candidate
0.090 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (+ y y)))>
0.090 * * * [progress]: localizing error
0.094 * * * [progress]: generating rewritten candidates
0.094 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.106 * * * [progress]: generating series expansions
0.106 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.106 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (x y) around 0
0.106 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.106 * [taylor]: Taking taylor expansion of 1/2 in y
0.106 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.106 * [taylor]: Taking taylor expansion of (+ x y) in y
0.106 * [taylor]: Taking taylor expansion of x in y
0.106 * [taylor]: Taking taylor expansion of y in y
0.106 * [taylor]: Taking taylor expansion of y in y
0.106 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.106 * [taylor]: Taking taylor expansion of 1/2 in x
0.106 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.106 * [taylor]: Taking taylor expansion of (+ x y) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.106 * [taylor]: Taking taylor expansion of y in x
0.106 * [taylor]: Taking taylor expansion of y in x
0.106 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.107 * [taylor]: Taking taylor expansion of 1/2 in x
0.107 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.107 * [taylor]: Taking taylor expansion of (+ x y) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of y in x
0.107 * [taylor]: Taking taylor expansion of y in x
0.107 * [taylor]: Taking taylor expansion of 1/2 in y
0.107 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.107 * [taylor]: Taking taylor expansion of 1/2 in y
0.107 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.107 * [taylor]: Taking taylor expansion of y in y
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.108 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.108 * [taylor]: Taking taylor expansion of 1/2 in y
0.108 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.108 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.108 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.108 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.108 * [taylor]: Taking taylor expansion of x in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.108 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.108 * [taylor]: Taking taylor expansion of 1/2 in x
0.108 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.108 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.108 * [taylor]: Taking taylor expansion of 1/2 in x
0.108 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.108 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [taylor]: Taking taylor expansion of y in x
0.108 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.108 * [taylor]: Taking taylor expansion of 1/2 in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.109 * [taylor]: Taking taylor expansion of 1/2 in y
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.110 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.110 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.110 * [taylor]: Taking taylor expansion of 1/2 in y
0.110 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.110 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.110 * [taylor]: Taking taylor expansion of 1/2 in x
0.110 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.110 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.110 * [taylor]: Taking taylor expansion of 1/2 in x
0.110 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.110 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.110 * [taylor]: Taking taylor expansion of 1/2 in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of 1/2 in y
0.110 * [taylor]: Taking taylor expansion of 0 in y
0.111 * [taylor]: Taking taylor expansion of 0 in y
0.111 * [taylor]: Taking taylor expansion of 0 in y
0.111 * * * [progress]: simplifying candidates
0.112 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ x y)) (log (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (exp (/ (+ x y) (+ y y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (+ y y) (+ y y)) (+ y y)))
  (* (cbrt (/ (+ x y) (+ y y))) (cbrt (/ (+ x y) (+ y y))))
  (cbrt (/ (+ x y) (+ y y)))
  (* (* (/ (+ x y) (+ y y)) (/ (+ x y) (+ y y))) (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (neg (+ x y))
  (neg (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (cbrt (+ x y)) (cbrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ y y)))
  (/ (cbrt (+ x y)) (sqrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (+ x y)) (+ (cbrt y) (cbrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (cbrt y))
  (/ (cbrt (+ x y)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) y)
  (/ (cbrt (+ x y)) (+ 1 1))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (+ 1 1))
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (+ 1 1))
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ x y)) (cbrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (+ (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (sqrt (+ x y)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 2)
  (/ (+ x y) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 2)
  (/ (+ x y) y)
  (/ 1 (+ y y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (sqrt (+ y y)))
  (/ (+ x y) 1)
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) 1)
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (/ (+ x y) (+ 1 1))
  (/ (+ x y) (+ 1 1))
  (/ (+ x y) 2)
  (/ (+ y y) (cbrt (+ x y)))
  (/ (+ y y) (sqrt (+ x y)))
  (/ (+ y y) (+ x y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (+ (pow y 3) (pow y 3)))
  (/ (+ x y) (- (* y y) (* y y)))
  (* (+ y y) (+ (* x x) (- (* y y) (* x y))))
  (* (+ y y) (- x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.163 * * [simplify]: iteration  0 :  5049  enodes  (cost  940 )
0.167 * [simplify]: Simplified to:
   (log (* 1/2 (/ (+ x y) y)))
  (log (* 1/2 (/ (+ x y) y)))
  (sqrt (exp (/ (+ x y) y)))
  (* 1/8 (pow (/ (+ x y) y) 3))
  (* (cbrt (* 1/2 (/ (+ x y) y))) (cbrt (* 1/2 (/ (+ x y) y))))
  (cbrt (* 1/2 (/ (+ x y) y)))
  (* 1/8 (pow (/ (+ x y) y) 3))
  (sqrt (* 1/2 (/ (+ x y) y)))
  (sqrt (* 1/2 (/ (+ x y) y)))
  (- (neg y) x)
  (* y -2)
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (* (cbrt (+ y y)) (cbrt (+ y y)))))
  (/ (cbrt (+ x y)) (cbrt (+ y y)))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (sqrt (+ y y))))
  (/ (cbrt (+ x y)) (sqrt (+ y y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (* (/ (cbrt (+ x y)) y) 1/2)
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (* (cbrt y) (cbrt y))))
  (* 1/2 (/ (cbrt (+ x y)) (cbrt y)))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (sqrt y)))
  (* 1/2 (/ (cbrt (+ x y)) (sqrt y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (* (/ (cbrt (+ x y)) y) 1/2)
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (cbrt y)))
  (* 1/2 (/ (cbrt (+ x y)) (* (cbrt y) (cbrt y))))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (sqrt y)))
  (* 1/2 (/ (cbrt (+ x y)) (sqrt y)))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) y))
  (* 1/2 (cbrt (+ x y)))
  (* (cbrt (+ x y)) (* 1/2 (cbrt (+ x y))))
  (/ (cbrt (+ x y)) y)
  (* (cbrt (+ x y)) (* 1/2 (cbrt (+ x y))))
  (/ (cbrt (+ x y)) y)
  (* (cbrt (+ x y)) (* 1/2 (cbrt (+ x y))))
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ x y)) (cbrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (sqrt (+ x y))
  (* (/ (sqrt (+ x y)) y) 1/2)
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (* (/ (sqrt (+ x y)) (cbrt y)) 1/2)
  (/ (sqrt (+ x y)) (sqrt y))
  (* (/ (sqrt (+ x y)) (sqrt y)) 1/2)
  (sqrt (+ x y))
  (* (/ (sqrt (+ x y)) y) 1/2)
  (/ (sqrt (+ x y)) (cbrt y))
  (* (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y))) 1/2)
  (/ (sqrt (+ x y)) (sqrt y))
  (* (/ (sqrt (+ x y)) (sqrt y)) 1/2)
  (/ (sqrt (+ x y)) y)
  (* 1/2 (sqrt (+ x y)))
  (* 1/2 (sqrt (+ x y)))
  (/ (sqrt (+ x y)) y)
  (* 1/2 (sqrt (+ x y)))
  (/ (sqrt (+ x y)) y)
  (* 1/2 (sqrt (+ x y)))
  (/ (sqrt (+ x y)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  1
  (* 1/2 (/ (+ x y) y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (* 1/2 (/ (+ x y) (cbrt y)))
  (/ 1 (sqrt y))
  (* 1/2 (/ (+ x y) (sqrt y)))
  1
  (* 1/2 (/ (+ x y) y))
  (/ 1 (cbrt y))
  (* 1/2 (/ (+ x y) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (* 1/2 (/ (+ x y) (sqrt y)))
  (/ 1 y)
  (* 1/2 (+ x y))
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  1
  (* 1/2 (/ (+ x y) y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (* 1/2 (/ (+ x y) (cbrt y)))
  (/ 1 (sqrt y))
  (* 1/2 (/ (+ x y) (sqrt y)))
  1
  (* 1/2 (/ (+ x y) y))
  (/ 1 (cbrt y))
  (* 1/2 (/ (+ x y) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (* 1/2 (/ (+ x y) (sqrt y)))
  (/ 1 y)
  (* 1/2 (+ x y))
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  (/ 1/2 y)
  (* y (/ 2 (+ x y)))
  (/ (+ x y) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (sqrt (+ y y)))
  (+ x y)
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (+ x y)
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (* 1/2 (+ x y))
  (* 1/2 (+ x y))
  (* 1/2 (+ x y))
  (* y (/ 2 (cbrt (+ x y))))
  (* y (/ 2 (sqrt (+ x y))))
  (* y (/ 2 (+ x y)))
  (* y (/ 2 (+ x y)))
  (* 1/2 (/ (+ x y) (pow y 3)))
  (/ 1 0)
  (* y (* 2 (+ (* y y) (* x (- x y)))))
  (* y (* 2 (- x y)))
  (+ 1/2 (* 1/2 (/ x y)))
  (+ 1/2 (* 1/2 (/ x y)))
  (+ 1/2 (* 1/2 (/ x y)))
0.167 * * * [progress]: adding candidates to table
0.227 * * [progress]: iteration 2 / 4
0.227 * * * [progress]: picking best candidate
0.230 * * * * [pick]: Picked  #<alt (λ (x y) (+ 1/2 (* x (/ 1/2 y))))>
0.230 * * * [progress]: localizing error
0.236 * * * [progress]: generating rewritten candidates
0.236 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.244 * * * [progress]: generating series expansions
0.244 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.244 * [approximate]: Taking taylor expansion of (* 1/2 (/ x y)) in (x y) around 0
0.244 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.244 * [taylor]: Taking taylor expansion of 1/2 in y
0.244 * [taylor]: Taking taylor expansion of (/ x y) in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.244 * [taylor]: Taking taylor expansion of 1/2 in x
0.244 * [taylor]: Taking taylor expansion of (/ x y) in x
0.244 * [taylor]: Taking taylor expansion of x in x
0.244 * [taylor]: Taking taylor expansion of y in x
0.244 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.244 * [taylor]: Taking taylor expansion of 1/2 in x
0.244 * [taylor]: Taking taylor expansion of (/ x y) in x
0.244 * [taylor]: Taking taylor expansion of x in x
0.244 * [taylor]: Taking taylor expansion of y in x
0.244 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.244 * [taylor]: Taking taylor expansion of 1/2 in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of 0 in y
0.245 * [taylor]: Taking taylor expansion of 0 in y
0.245 * [taylor]: Taking taylor expansion of 0 in y
0.245 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (x y) around 0
0.245 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.245 * [taylor]: Taking taylor expansion of 1/2 in y
0.245 * [taylor]: Taking taylor expansion of (/ y x) in y
0.245 * [taylor]: Taking taylor expansion of y in y
0.245 * [taylor]: Taking taylor expansion of x in y
0.245 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.245 * [taylor]: Taking taylor expansion of 1/2 in x
0.245 * [taylor]: Taking taylor expansion of (/ y x) in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.245 * [taylor]: Taking taylor expansion of 1/2 in x
0.245 * [taylor]: Taking taylor expansion of (/ y x) in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.245 * [taylor]: Taking taylor expansion of 1/2 in y
0.245 * [taylor]: Taking taylor expansion of y in y
0.245 * [taylor]: Taking taylor expansion of 0 in y
0.246 * [taylor]: Taking taylor expansion of 0 in y
0.246 * [taylor]: Taking taylor expansion of 0 in y
0.246 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (x y) around 0
0.246 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.246 * [taylor]: Taking taylor expansion of 1/2 in y
0.246 * [taylor]: Taking taylor expansion of (/ y x) in y
0.246 * [taylor]: Taking taylor expansion of y in y
0.246 * [taylor]: Taking taylor expansion of x in y
0.246 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.246 * [taylor]: Taking taylor expansion of 1/2 in x
0.246 * [taylor]: Taking taylor expansion of (/ y x) in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.246 * [taylor]: Taking taylor expansion of 1/2 in x
0.246 * [taylor]: Taking taylor expansion of (/ y x) in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.246 * [taylor]: Taking taylor expansion of 1/2 in y
0.246 * [taylor]: Taking taylor expansion of y in y
0.246 * [taylor]: Taking taylor expansion of 0 in y
0.247 * [taylor]: Taking taylor expansion of 0 in y
0.247 * [taylor]: Taking taylor expansion of 0 in y
0.247 * * * [progress]: simplifying candidates
0.247 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (/ 1/2 y))
  (+ (log x) (- (log 1/2) (log y)))
  (+ (log x) (log (/ 1/2 y)))
  (log (* x (/ 1/2 y)))
  (exp (* x (/ 1/2 y)))
  (* (* (* x x) x) (/ (* (* 1/2 1/2) 1/2) (* (* y y) y)))
  (* (* (* x x) x) (* (* (/ 1/2 y) (/ 1/2 y)) (/ 1/2 y)))
  (* (cbrt (* x (/ 1/2 y))) (cbrt (* x (/ 1/2 y))))
  (cbrt (* x (/ 1/2 y)))
  (* (* (* x (/ 1/2 y)) (* x (/ 1/2 y))) (* x (/ 1/2 y)))
  (sqrt (* x (/ 1/2 y)))
  (sqrt (* x (/ 1/2 y)))
  (* (sqrt x) (sqrt (/ 1/2 y)))
  (* (sqrt x) (sqrt (/ 1/2 y)))
  (* (sqrt x) (/ (sqrt 1/2) (sqrt y)))
  (* (sqrt x) (/ (sqrt 1/2) (sqrt y)))
  (* x (* (cbrt (/ 1/2 y)) (cbrt (/ 1/2 y))))
  (* x (sqrt (/ 1/2 y)))
  (* x (/ (* (cbrt 1/2) (cbrt 1/2)) (* (cbrt y) (cbrt y))))
  (* x (/ (* (cbrt 1/2) (cbrt 1/2)) (sqrt y)))
  (* x (/ (* (cbrt 1/2) (cbrt 1/2)) 1))
  (* x (/ (sqrt 1/2) (* (cbrt y) (cbrt y))))
  (* x (/ (sqrt 1/2) (sqrt y)))
  (* x (/ (sqrt 1/2) 1))
  (* x (/ 1 (* (cbrt y) (cbrt y))))
  (* x (/ 1 (sqrt y)))
  (* x (/ 1 1))
  (* x 1)
  (* x 1/2)
  (* (cbrt x) (/ 1/2 y))
  (* (sqrt x) (/ 1/2 y))
  (* x (/ 1/2 y))
  (* x 1/2)
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
0.295 * * [simplify]: iteration  0 :  4935  enodes  (cost  229 )
0.295 * * [simplify]: iteration  1 :  4935  enodes  (cost  229 )
0.296 * [simplify]: Simplified to:
   (* x (/ 1/2 y))
  (log (* x (/ 1/2 y)))
  (log (* x (/ 1/2 y)))
  (log (* x (/ 1/2 y)))
  (sqrt (exp (/ x y)))
  (* 1/8 (pow (/ x y) 3))
  (* 1/8 (pow (/ x y) 3))
  (* (cbrt (* x (/ 1/2 y))) (cbrt (* x (/ 1/2 y))))
  (cbrt (* x (/ 1/2 y)))
  (* 1/8 (pow (/ x y) 3))
  (sqrt (* x (/ 1/2 y)))
  (sqrt (* x (/ 1/2 y)))
  (* (sqrt x) (sqrt (/ 1/2 y)))
  (* (sqrt x) (sqrt (/ 1/2 y)))
  (* (sqrt x) (/ (sqrt 1/2) (sqrt y)))
  (* (sqrt x) (/ (sqrt 1/2) (sqrt y)))
  (* x (* (cbrt (/ 1/2 y)) (cbrt (/ 1/2 y))))
  (* x (sqrt (/ 1/2 y)))
  (* x (* (cbrt 1/2) (/ (cbrt 1/2) (* (cbrt y) (cbrt y)))))
  (* x (* (cbrt 1/2) (/ (cbrt 1/2) (sqrt y))))
  (* x (* (cbrt 1/2) (cbrt 1/2)))
  (* x (/ (sqrt 1/2) (* (cbrt y) (cbrt y))))
  (* x (/ (sqrt 1/2) (sqrt y)))
  (* x (sqrt 1/2))
  (/ x (* (cbrt y) (cbrt y)))
  (/ x (sqrt y))
  x
  x
  (* x 1/2)
  (* 1/2 (/ (cbrt x) y))
  (* 1/2 (/ (sqrt x) y))
  (* x (/ 1/2 y))
  (* x 1/2)
  (* x (/ 1/2 y))
  (* x (/ 1/2 y))
  (* x (/ 1/2 y))
0.297 * * * [progress]: adding candidates to table
0.336 * [progress]: [Phase 3 of 3] Extracting.
0.336 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ 1/2 (* x (/ 1/2 y))))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.336 * * * [regime-changes]: Trying 3 branch expressions: ((/ (+ x y) (+ y y)) y x)
0.336 * * * * [regimes]: Trying to branch on (/ (+ x y) (+ y y)) from (#<alt (λ (x y) (+ 1/2 (* x (/ 1/2 y))))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.368 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ 1/2 (* x (/ 1/2 y))))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.400 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ 1/2 (* x (/ 1/2 y))))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.432 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.432 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x y) (+ y y))
0.433 * * [simplify]: iteration  0 :  22  enodes  (cost  7 )
0.433 * * [simplify]: iteration  1 :  22  enodes  (cost  7 )
0.433 * [simplify]: Simplified to:
   (/ (+ x y) (+ y y))
1.038 * [regime-testing]: End program error score: 0.022877507123507643
1.115 * [regime-testing]: Target error score: 0.049256157019627454