8.529 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x y) (+ y y))
0.017 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.018 * * [simplify]: iteration  1 :  11  enodes  (cost  3 )
0.019 * * [simplify]: iteration  2 :  13  enodes  (cost  3 )
0.020 * * [simplify]: iteration  3 :  13  enodes  (cost  3 )
0.020 * [simplify]: Simplified to:
   (/ (+ x y) (+ y y))
0.021 * * [progress]: iteration 1 / 4
0.021 * * * [progress]: picking best candidate
0.023 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (+ y y)))>
0.023 * * * [progress]: localizing error
0.027 * * * [progress]: generating rewritten candidates
0.027 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.038 * * * [progress]: generating series expansions
0.038 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.038 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (x y) around 0
0.038 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.038 * [taylor]: Taking taylor expansion of 1/2 in y
0.038 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.038 * [taylor]: Taking taylor expansion of (+ x y) in y
0.038 * [taylor]: Taking taylor expansion of x in y
0.038 * [taylor]: Taking taylor expansion of y in y
0.038 * [taylor]: Taking taylor expansion of y in y
0.038 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.038 * [taylor]: Taking taylor expansion of 1/2 in x
0.038 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.038 * [taylor]: Taking taylor expansion of (+ x y) in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of y in x
0.038 * [taylor]: Taking taylor expansion of y in x
0.038 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.038 * [taylor]: Taking taylor expansion of 1/2 in x
0.038 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.038 * [taylor]: Taking taylor expansion of (+ x y) in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of y in x
0.038 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of 1/2 in y
0.039 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.039 * [taylor]: Taking taylor expansion of 1/2 in y
0.039 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.039 * [taylor]: Taking taylor expansion of y in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.040 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.040 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.040 * [taylor]: Taking taylor expansion of 1/2 in y
0.040 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.040 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.040 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.040 * [taylor]: Taking taylor expansion of x in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.040 * [taylor]: Taking taylor expansion of 1/2 in x
0.040 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.040 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.040 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.040 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.040 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.040 * [taylor]: Taking taylor expansion of 1/2 in x
0.040 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.040 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.040 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.040 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.040 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.040 * [taylor]: Taking taylor expansion of 1/2 in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of 1/2 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.041 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.041 * [taylor]: Taking taylor expansion of 1/2 in y
0.041 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.041 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.041 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.041 * [taylor]: Taking taylor expansion of y in y
0.041 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.041 * [taylor]: Taking taylor expansion of x in y
0.041 * [taylor]: Taking taylor expansion of y in y
0.041 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.041 * [taylor]: Taking taylor expansion of 1/2 in x
0.042 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.042 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.042 * [taylor]: Taking taylor expansion of 1/2 in x
0.042 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.042 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.042 * [taylor]: Taking taylor expansion of 1/2 in y
0.042 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of 1/2 in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.043 * [taylor]: Taking taylor expansion of 0 in y
0.043 * * * [progress]: simplifying candidates
0.044 * [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)
0.049 * * [simplify]: iteration  0 :  225  enodes  (cost  519 )
0.053 * * [simplify]: iteration  1 :  735  enodes  (cost  475 )
0.067 * * [simplify]: iteration  2 :  3013  enodes  (cost  475 )
0.148 * * [simplify]: iteration  3 :  5002  enodes  (cost  475 )
0.151 * [simplify]: Simplified to:
   (log (/ (+ x y) (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (exp (/ (+ x y) (+ y y)))
  (pow (/ (+ x y) (+ y y)) 3)
  (* (cbrt (/ (+ x y) (+ y y))) (cbrt (/ (+ x y) (+ y y))))
  (cbrt (/ (+ x y) (+ y y)))
  (pow (/ (+ x y) (+ y y)) 3)
  (sqrt (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (neg (+ x y))
  (* -2 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)))
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt (+ x y)) 2) (cbrt y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (/ (cbrt (+ x y)) 2) (sqrt y))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (cbrt y))
  (/ (/ (cbrt (+ x y)) (cbrt y)) (* 2 (cbrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (/ (cbrt (+ x y)) 2) (sqrt y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) y)
  (/ (cbrt (+ x y)) 2)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (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))
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt (+ x y)) 2) (cbrt y))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (/ (sqrt (+ x y)) 2) (sqrt y))
  (sqrt (+ x y))
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (/ (sqrt (+ x y)) (cbrt y)) (* 2 (cbrt y)))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (/ (sqrt (+ x y)) 2) (sqrt y))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (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
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ (+ x y) 2) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ (+ x y) 2) (sqrt y))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (+ x y) (cbrt y)) (* 2 (cbrt y)))
  (/ 1 (sqrt y))
  (/ (/ (+ x y) 2) (sqrt y))
  (/ 1 y)
  (/ (+ x y) 2)
  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
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ (+ x y) 2) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ (+ x y) 2) (sqrt y))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (+ x y) (cbrt y)) (* 2 (cbrt y)))
  (/ 1 (sqrt y))
  (/ (/ (+ x y) 2) (sqrt y))
  (/ 1 y)
  (/ (+ x y) 2)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  (/ 1/2 y)
  (/ (+ y y) (+ 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)
  (/ (+ x y) 2)
  (/ (+ x y) 2)
  (/ (+ x y) 2)
  (/ (+ y y) (cbrt (+ x y)))
  (/ (+ y y) (sqrt (+ x y)))
  (/ (+ y y) (+ x y))
  (/ (+ y y) (+ x y))
  (/ (/ (+ x y) 2) (pow y 3))
  (/ (+ x y) 0)
  (* (+ (* y (- y x)) (* x x)) (+ y y))
  (* (+ y y) (- x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.152 * * * [progress]: adding candidates to table
0.321 * * [progress]: iteration 2 / 4
0.321 * * * [progress]: picking best candidate
0.323 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))>
0.323 * * * [progress]: localizing error
0.327 * * * [progress]: generating rewritten candidates
0.328 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.334 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.340 * * * [progress]: generating series expansions
0.340 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.340 * [approximate]: Taking taylor expansion of (* 1/2 (/ x y)) in (x y) around 0
0.340 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.340 * [taylor]: Taking taylor expansion of 1/2 in y
0.340 * [taylor]: Taking taylor expansion of (/ x y) in y
0.340 * [taylor]: Taking taylor expansion of x in y
0.340 * [taylor]: Taking taylor expansion of y in y
0.340 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.340 * [taylor]: Taking taylor expansion of 1/2 in x
0.340 * [taylor]: Taking taylor expansion of (/ x y) in x
0.340 * [taylor]: Taking taylor expansion of x in x
0.340 * [taylor]: Taking taylor expansion of y in x
0.340 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.340 * [taylor]: Taking taylor expansion of 1/2 in x
0.340 * [taylor]: Taking taylor expansion of (/ x y) in x
0.340 * [taylor]: Taking taylor expansion of x in x
0.340 * [taylor]: Taking taylor expansion of y in x
0.340 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.340 * [taylor]: Taking taylor expansion of 1/2 in y
0.340 * [taylor]: Taking taylor expansion of y in y
0.340 * [taylor]: Taking taylor expansion of 0 in y
0.340 * [taylor]: Taking taylor expansion of 0 in y
0.341 * [taylor]: Taking taylor expansion of 0 in y
0.341 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (x y) around 0
0.341 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.341 * [taylor]: Taking taylor expansion of 1/2 in y
0.341 * [taylor]: Taking taylor expansion of (/ y x) in y
0.341 * [taylor]: Taking taylor expansion of y in y
0.341 * [taylor]: Taking taylor expansion of x in y
0.341 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.341 * [taylor]: Taking taylor expansion of 1/2 in x
0.341 * [taylor]: Taking taylor expansion of (/ y x) in x
0.341 * [taylor]: Taking taylor expansion of y in x
0.341 * [taylor]: Taking taylor expansion of x in x
0.341 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.341 * [taylor]: Taking taylor expansion of 1/2 in x
0.341 * [taylor]: Taking taylor expansion of (/ y x) in x
0.341 * [taylor]: Taking taylor expansion of y in x
0.341 * [taylor]: Taking taylor expansion of x in x
0.341 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.341 * [taylor]: Taking taylor expansion of 1/2 in y
0.341 * [taylor]: Taking taylor expansion of y in y
0.341 * [taylor]: Taking taylor expansion of 0 in y
0.344 * [taylor]: Taking taylor expansion of 0 in y
0.344 * [taylor]: Taking taylor expansion of 0 in y
0.344 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (x y) around 0
0.344 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.344 * [taylor]: Taking taylor expansion of 1/2 in y
0.344 * [taylor]: Taking taylor expansion of (/ y x) 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 (* 1/2 (/ y x)) in x
0.344 * [taylor]: Taking taylor expansion of 1/2 in x
0.344 * [taylor]: Taking taylor expansion of (/ y x) 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 (* 1/2 (/ y x)) in x
0.344 * [taylor]: Taking taylor expansion of 1/2 in x
0.344 * [taylor]: Taking taylor expansion of (/ y x) in x
0.344 * [taylor]: Taking taylor expansion of y in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.345 * [taylor]: Taking taylor expansion of 1/2 in y
0.345 * [taylor]: Taking taylor expansion of y in y
0.345 * [taylor]: Taking taylor expansion of 0 in y
0.345 * [taylor]: Taking taylor expansion of 0 in y
0.345 * [taylor]: Taking taylor expansion of 0 in y
0.345 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.345 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) 1/2) in (x y) around 0
0.345 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) 1/2) in y
0.345 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.345 * [taylor]: Taking taylor expansion of 1/2 in y
0.345 * [taylor]: Taking taylor expansion of (/ x y) in y
0.345 * [taylor]: Taking taylor expansion of x in y
0.345 * [taylor]: Taking taylor expansion of y in y
0.345 * [taylor]: Taking taylor expansion of 1/2 in y
0.345 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) 1/2) in x
0.345 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.345 * [taylor]: Taking taylor expansion of 1/2 in x
0.345 * [taylor]: Taking taylor expansion of (/ x y) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of y in x
0.345 * [taylor]: Taking taylor expansion of 1/2 in x
0.346 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) 1/2) in x
0.346 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.346 * [taylor]: Taking taylor expansion of 1/2 in x
0.346 * [taylor]: Taking taylor expansion of (/ x y) in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.346 * [taylor]: Taking taylor expansion of y in x
0.346 * [taylor]: Taking taylor expansion of 1/2 in x
0.346 * [taylor]: Taking taylor expansion of 1/2 in y
0.346 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.346 * [taylor]: Taking taylor expansion of 1/2 in y
0.346 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.346 * [taylor]: Taking taylor expansion of y in y
0.346 * [taylor]: Taking taylor expansion of 0 in y
0.346 * [taylor]: Taking taylor expansion of 0 in y
0.346 * [taylor]: Taking taylor expansion of 0 in y
0.347 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in (x y) around 0
0.347 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in y
0.347 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.347 * [taylor]: Taking taylor expansion of 1/2 in y
0.347 * [taylor]: Taking taylor expansion of (/ y x) in y
0.347 * [taylor]: Taking taylor expansion of y in y
0.347 * [taylor]: Taking taylor expansion of x in y
0.347 * [taylor]: Taking taylor expansion of 1/2 in y
0.347 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in x
0.347 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.347 * [taylor]: Taking taylor expansion of 1/2 in x
0.347 * [taylor]: Taking taylor expansion of (/ y x) in x
0.347 * [taylor]: Taking taylor expansion of y in x
0.347 * [taylor]: Taking taylor expansion of x in x
0.347 * [taylor]: Taking taylor expansion of 1/2 in x
0.347 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in x
0.347 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.347 * [taylor]: Taking taylor expansion of 1/2 in x
0.347 * [taylor]: Taking taylor expansion of (/ y x) in x
0.347 * [taylor]: Taking taylor expansion of y in x
0.347 * [taylor]: Taking taylor expansion of x in x
0.347 * [taylor]: Taking taylor expansion of 1/2 in x
0.347 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.347 * [taylor]: Taking taylor expansion of 1/2 in y
0.347 * [taylor]: Taking taylor expansion of y in y
0.347 * [taylor]: Taking taylor expansion of 1/2 in y
0.347 * [taylor]: Taking taylor expansion of 0 in y
0.347 * [taylor]: Taking taylor expansion of 0 in y
0.348 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in (x y) around 0
0.348 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in y
0.348 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.348 * [taylor]: Taking taylor expansion of 1/2 in y
0.348 * [taylor]: Taking taylor expansion of (/ y x) in y
0.348 * [taylor]: Taking taylor expansion of y in y
0.348 * [taylor]: Taking taylor expansion of x in y
0.348 * [taylor]: Taking taylor expansion of 1/2 in y
0.348 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in x
0.348 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.348 * [taylor]: Taking taylor expansion of 1/2 in x
0.348 * [taylor]: Taking taylor expansion of (/ y x) in x
0.348 * [taylor]: Taking taylor expansion of y in x
0.348 * [taylor]: Taking taylor expansion of x in x
0.348 * [taylor]: Taking taylor expansion of 1/2 in x
0.348 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in x
0.348 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.348 * [taylor]: Taking taylor expansion of 1/2 in x
0.348 * [taylor]: Taking taylor expansion of (/ y x) in x
0.348 * [taylor]: Taking taylor expansion of y in x
0.348 * [taylor]: Taking taylor expansion of x in x
0.348 * [taylor]: Taking taylor expansion of 1/2 in x
0.348 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.348 * [taylor]: Taking taylor expansion of 1/2 in y
0.348 * [taylor]: Taking taylor expansion of y in y
0.348 * [taylor]: Taking taylor expansion of 1/2 in y
0.348 * [taylor]: Taking taylor expansion of 0 in y
0.349 * [taylor]: Taking taylor expansion of 0 in y
0.349 * * * [progress]: simplifying candidates
0.349 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 1/2 (/ x y))
  (+ (log 1/2) (- (log x) (log y)))
  (+ (log 1/2) (log (/ x y)))
  (log (* 1/2 (/ x y)))
  (exp (* 1/2 (/ x y)))
  (* (* (* 1/2 1/2) 1/2) (/ (* (* x x) x) (* (* y y) y)))
  (* (* (* 1/2 1/2) 1/2) (* (* (/ x y) (/ x y)) (/ x y)))
  (* (cbrt (* 1/2 (/ x y))) (cbrt (* 1/2 (/ x y))))
  (cbrt (* 1/2 (/ x y)))
  (* (* (* 1/2 (/ x y)) (* 1/2 (/ x y))) (* 1/2 (/ x y)))
  (sqrt (* 1/2 (/ x y)))
  (sqrt (* 1/2 (/ x y)))
  (* (sqrt 1/2) (sqrt (/ x y)))
  (* (sqrt 1/2) (sqrt (/ x y)))
  (* (sqrt 1/2) (/ (sqrt x) (sqrt y)))
  (* (sqrt 1/2) (/ (sqrt x) (sqrt y)))
  (* 1/2 (* (cbrt (/ x y)) (cbrt (/ x y))))
  (* 1/2 (sqrt (/ x y)))
  (* 1/2 (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))))
  (* 1/2 (/ (* (cbrt x) (cbrt x)) (sqrt y)))
  (* 1/2 (/ (* (cbrt x) (cbrt x)) 1))
  (* 1/2 (/ (sqrt x) (* (cbrt y) (cbrt y))))
  (* 1/2 (/ (sqrt x) (sqrt y)))
  (* 1/2 (/ (sqrt x) 1))
  (* 1/2 (/ 1 (* (cbrt y) (cbrt y))))
  (* 1/2 (/ 1 (sqrt y)))
  (* 1/2 (/ 1 1))
  (* 1/2 1)
  (* 1/2 x)
  (* (cbrt 1/2) (/ x y))
  (* (sqrt 1/2) (/ x y))
  (* 1/2 (/ x y))
  (* 1/2 x)
  (* (exp (* 1/2 (/ x y))) (exp 1/2))
  (log (+ (* 1/2 (/ x y)) 1/2))
  (exp (+ (* 1/2 (/ x y)) 1/2))
  (* (cbrt (+ (* 1/2 (/ x y)) 1/2)) (cbrt (+ (* 1/2 (/ x y)) 1/2)))
  (cbrt (+ (* 1/2 (/ x y)) 1/2))
  (* (* (+ (* 1/2 (/ x y)) 1/2) (+ (* 1/2 (/ x y)) 1/2)) (+ (* 1/2 (/ x y)) 1/2))
  (sqrt (+ (* 1/2 (/ x y)) 1/2))
  (sqrt (+ (* 1/2 (/ x y)) 1/2))
  (+ (pow (* 1/2 (/ x y)) 3) (pow 1/2 3))
  (+ (* (* 1/2 (/ x y)) (* 1/2 (/ x y))) (- (* 1/2 1/2) (* (* 1/2 (/ x y)) 1/2)))
  (- (* (* 1/2 (/ x y)) (* 1/2 (/ x y))) (* 1/2 1/2))
  (- (* 1/2 (/ x y)) 1/2)
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.353 * * [simplify]: iteration  0 :  219  enodes  (cost  204 )
0.358 * * [simplify]: iteration  1 :  999  enodes  (cost  186 )
0.378 * * [simplify]: iteration  2 :  4341  enodes  (cost  183 )
0.448 * * [simplify]: iteration  3 :  5002  enodes  (cost  183 )
0.449 * [simplify]: Simplified to:
   (* 1/2 (/ x y))
  (log (* 1/2 (/ x y)))
  (log (* 1/2 (/ x y)))
  (log (* 1/2 (/ x y)))
  (exp (* 1/2 (/ x y)))
  (pow (* 1/2 (/ x y)) 3)
  (pow (* 1/2 (/ x y)) 3)
  (* (cbrt (* 1/2 (/ x y))) (cbrt (* 1/2 (/ x y))))
  (cbrt (* 1/2 (/ x y)))
  (pow (* 1/2 (/ x y)) 3)
  (sqrt (* 1/2 (/ x y)))
  (sqrt (* 1/2 (/ x y)))
  (* (sqrt 1/2) (sqrt (/ x y)))
  (* (sqrt 1/2) (sqrt (/ x y)))
  (* (sqrt 1/2) (/ (sqrt x) (sqrt y)))
  (* (sqrt 1/2) (/ (sqrt x) (sqrt y)))
  (* 1/2 (* (cbrt (/ x y)) (cbrt (/ x y))))
  (* 1/2 (sqrt (/ x y)))
  (* 1/2 (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))))
  (* 1/2 (/ (* (cbrt x) (cbrt x)) (sqrt y)))
  (* (* (cbrt x) (cbrt x)) 1/2)
  (* 1/2 (/ (sqrt x) (* (cbrt y) (cbrt y))))
  (* 1/2 (/ (sqrt x) (sqrt y)))
  (* (sqrt x) 1/2)
  (/ 1/2 (* (cbrt y) (cbrt y)))
  (/ 1/2 (sqrt y))
  1/2
  1/2
  (* 1/2 x)
  (* (cbrt 1/2) (/ x y))
  (* (sqrt 1/2) (/ x y))
  (* 1/2 (/ x y))
  (* 1/2 x)
  (exp (+ (* 1/2 (/ x y)) 1/2))
  (log (+ (* 1/2 (/ x y)) 1/2))
  (exp (+ (* 1/2 (/ x y)) 1/2))
  (* (cbrt (+ (* 1/2 (/ x y)) 1/2)) (cbrt (+ (* 1/2 (/ x y)) 1/2)))
  (cbrt (+ (* 1/2 (/ x y)) 1/2))
  (pow (+ (* 1/2 (/ x y)) 1/2) 3)
  (sqrt (+ (* 1/2 (/ x y)) 1/2))
  (sqrt (+ (* 1/2 (/ x y)) 1/2))
  (* 1/8 (+ 1 (pow (/ x y) 3)))
  (+ 1/4 (neg (* (* 1/4 (/ x y)) (- 1 (/ x y)))))
  (+ -1/4 (* 1/4 (* (/ x y) (/ x y))))
  (- (* 1/2 (/ x y)) 1/2)
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.449 * * * [progress]: adding candidates to table
0.490 * [progress]: [Phase 3 of 3] Extracting.
0.490 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.490 * * * [regime-changes]: Trying 3 branch expressions: ((/ (+ x y) (+ y y)) y x)
0.490 * * * * [regimes]: Trying to branch on (/ (+ x y) (+ y y)) from (#<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.520 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.550 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
0.579 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.580 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* 1/2 (/ x y)) 1/2)
0.580 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.581 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.581 * [simplify]: Simplified to:
   (+ (* 1/2 (/ x y)) 1/2)
1.209 * [regime-testing]: Baseline error score: 0.025503187898487312
1.209 * [regime-testing]: Oracle error score: 0.00037504688086010754
1.211 * [regime-testing]: End program error score: 0.025503187898487312
1.273 * [regime-testing]: Target error score: 0.025503187898487312