8.222 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* x y) (+ y 1.0))
0.014 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.014 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.015 * * [simplify]: iteration  2 :  14  enodes  (cost  7 )
0.017 * * [simplify]: iteration  3 :  17  enodes  (cost  7 )
0.019 * * [simplify]: iteration  4 :  18  enodes  (cost  7 )
0.021 * * [simplify]: iteration  done :  18  enodes  (cost  7 )
0.021 * [simplify]: Simplified to:
   (/ (* x y) (+ y 1.0))
0.021 * * [progress]: iteration 1 / 4
0.021 * * * [progress]: picking best candidate
0.023 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x y) (+ y 1.0)))>
0.023 * * * [progress]: localizing error
0.027 * * * [progress]: generating rewritten candidates
0.027 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.035 * * * [progress]: generating series expansions
0.035 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.035 * [approximate]: Taking taylor expansion of (/ (* x y) (+ y 1.0)) in (x y) around 0
0.035 * [taylor]: Taking taylor expansion of (/ (* x y) (+ y 1.0)) in y
0.035 * [taylor]: Taking taylor expansion of (* x y) in y
0.035 * [taylor]: Taking taylor expansion of x in y
0.035 * [taylor]: Taking taylor expansion of y in y
0.035 * [taylor]: Taking taylor expansion of (+ y 1.0) in y
0.035 * [taylor]: Taking taylor expansion of y in y
0.035 * [taylor]: Taking taylor expansion of 1.0 in y
0.036 * [taylor]: Taking taylor expansion of (/ (* x y) (+ y 1.0)) in x
0.036 * [taylor]: Taking taylor expansion of (* x y) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of (+ y 1.0) in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of 1.0 in x
0.036 * [taylor]: Taking taylor expansion of (/ (* x y) (+ y 1.0)) in x
0.036 * [taylor]: Taking taylor expansion of (* x y) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of (+ y 1.0) in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of 1.0 in x
0.037 * [taylor]: Taking taylor expansion of (/ y (+ y 1.0)) in y
0.037 * [taylor]: Taking taylor expansion of y in y
0.037 * [taylor]: Taking taylor expansion of (+ y 1.0) in y
0.037 * [taylor]: Taking taylor expansion of y in y
0.037 * [taylor]: Taking taylor expansion of 1.0 in y
0.038 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.045 * [approximate]: Taking taylor expansion of (/ 1 (* x (* (+ (/ 1 y) 1.0) y))) in (x y) around 0
0.045 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (+ (/ 1 y) 1.0) y))) in y
0.045 * [taylor]: Taking taylor expansion of (* x (* (+ (/ 1 y) 1.0) y)) in y
0.045 * [taylor]: Taking taylor expansion of x in y
0.045 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) 1.0) y) in y
0.045 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.045 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of 1.0 in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (+ (/ 1 y) 1.0) y))) in x
0.047 * [taylor]: Taking taylor expansion of (* x (* (+ (/ 1 y) 1.0) y)) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) 1.0) y) in x
0.048 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of 1.0 in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (+ (/ 1 y) 1.0) y))) in x
0.049 * [taylor]: Taking taylor expansion of (* x (* (+ (/ 1 y) 1.0) y)) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) 1.0) y) in x
0.049 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of 1.0 in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.050 * [taylor]: Taking taylor expansion of (/ 1 (+ (* 1.0 y) 1)) in y
0.050 * [taylor]: Taking taylor expansion of (+ (* 1.0 y) 1) in y
0.050 * [taylor]: Taking taylor expansion of (* 1.0 y) in y
0.050 * [taylor]: Taking taylor expansion of 1.0 in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.050 * [taylor]: Taking taylor expansion of 1 in y
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [taylor]: Taking taylor expansion of 0 in y
0.060 * [approximate]: Taking taylor expansion of (/ 1 (* x (* (- 1.0 (/ 1 y)) y))) in (x y) around 0
0.060 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (- 1.0 (/ 1 y)) y))) in y
0.060 * [taylor]: Taking taylor expansion of (* x (* (- 1.0 (/ 1 y)) y)) in y
0.060 * [taylor]: Taking taylor expansion of x in y
0.060 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 y)) y) in y
0.060 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
0.060 * [taylor]: Taking taylor expansion of 1.0 in y
0.060 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.060 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of y in y
0.063 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (- 1.0 (/ 1 y)) y))) in x
0.063 * [taylor]: Taking taylor expansion of (* x (* (- 1.0 (/ 1 y)) y)) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 y)) y) in x
0.063 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
0.063 * [taylor]: Taking taylor expansion of 1.0 in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.064 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (- 1.0 (/ 1 y)) y))) in x
0.064 * [taylor]: Taking taylor expansion of (* x (* (- 1.0 (/ 1 y)) y)) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 y)) y) in x
0.064 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
0.064 * [taylor]: Taking taylor expansion of 1.0 in x
0.064 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.064 * [taylor]: Taking taylor expansion of y in x
0.064 * [taylor]: Taking taylor expansion of y in x
0.065 * [taylor]: Taking taylor expansion of (/ 1 (- (* 1.0 y) 1)) in y
0.065 * [taylor]: Taking taylor expansion of (- (* 1.0 y) 1) in y
0.066 * [taylor]: Taking taylor expansion of (* 1.0 y) in y
0.066 * [taylor]: Taking taylor expansion of 1.0 in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of 1 in y
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.081 * * * [progress]: simplifying candidates
0.082 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ (log x) (log y)) (log (+ y 1.0)))
  (- (log (* x y)) (log (+ y 1.0)))
  (log (/ (* x y) (+ y 1.0)))
  (exp (/ (* x y) (+ y 1.0)))
  (/ (* (* (* x x) x) (* (* y y) y)) (* (* (+ y 1.0) (+ y 1.0)) (+ y 1.0)))
  (/ (* (* (* x y) (* x y)) (* x y)) (* (* (+ y 1.0) (+ y 1.0)) (+ y 1.0)))
  (* (cbrt (/ (* x y) (+ y 1.0))) (cbrt (/ (* x y) (+ y 1.0))))
  (cbrt (/ (* x y) (+ y 1.0)))
  (* (* (/ (* x y) (+ y 1.0)) (/ (* x y) (+ y 1.0))) (/ (* x y) (+ y 1.0)))
  (sqrt (/ (* x y) (+ y 1.0)))
  (sqrt (/ (* x y) (+ y 1.0)))
  (- (* x y))
  (- (+ y 1.0))
  (/ x (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (/ y (cbrt (+ y 1.0)))
  (/ x (sqrt (+ y 1.0)))
  (/ y (sqrt (+ y 1.0)))
  (/ x 1)
  (/ y (+ y 1.0))
  (/ x 1)
  (/ y (+ y 1.0))
  (/ 1 (+ y 1.0))
  (/ (+ y 1.0) (* x y))
  (/ (* x y) (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (/ (* x y) (sqrt (+ y 1.0)))
  (/ (* x y) 1)
  (/ (* x y) 1)
  (/ (+ y 1.0) y)
  (/ (* x y) (+ (pow y 3) (pow 1.0 3)))
  (/ (* x y) (- (* y y) (* 1.0 1.0)))
  (- (+ (* 1.0 (* x y)) (* 1.0 (* x (pow y 3)))) (* 1.0 (* x (pow y 2))))
  (- (+ x (* 1.0 (/ x (pow y 2)))) (* 1.0 (/ x y)))
  (- (+ x (* 1.0 (/ x (pow y 2)))) (* 1.0 (/ x y)))
0.084 * * [simplify]: iteration  0 :  72  enodes  (cost  319 )
0.099 * * [simplify]: iteration  1 :  195  enodes  (cost  304 )
0.146 * * [simplify]: iteration  2 :  651  enodes  (cost  256 )
0.631 * * [simplify]: iteration  3 :  2968  enodes  (cost  250 )
1.557 * * [simplify]: iteration  done :  5000  enodes  (cost  250 )
1.557 * [simplify]: Simplified to:
   (log (/ (* x y) (+ y 1.0)))
  (log (/ (* x y) (+ y 1.0)))
  (log (/ (* x y) (+ y 1.0)))
  (exp (/ (* x y) (+ y 1.0)))
  (pow (/ (* x y) (+ y 1.0)) 3)
  (pow (/ (* x y) (+ y 1.0)) 3)
  (* (cbrt (/ (* x y) (+ y 1.0))) (cbrt (/ (* x y) (+ y 1.0))))
  (cbrt (/ (* x y) (+ y 1.0)))
  (pow (/ (* x y) (+ y 1.0)) 3)
  (sqrt (/ (* x y) (+ y 1.0)))
  (sqrt (/ (* x y) (+ y 1.0)))
  (- (* x y))
  (- (+ y 1.0))
  (/ x (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (/ y (cbrt (+ y 1.0)))
  (/ x (sqrt (+ y 1.0)))
  (/ y (sqrt (+ y 1.0)))
  x
  (/ y (+ y 1.0))
  x
  (/ y (+ y 1.0))
  (/ 1 (+ y 1.0))
  (/ (+ y 1.0) (* x y))
  (/ (* x y) (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (/ (* x y) (sqrt (+ y 1.0)))
  (* x y)
  (* x y)
  (/ (+ y 1.0) y)
  (/ (* x y) (+ (pow y 3) (pow 1.0 3)))
  (/ (* x y) (- (* y y) (* 1.0 1.0)))
  (* (* 1.0 x) (+ (- (pow y 3) (* y y)) y))
  (+ x (* (/ x y) (- (/ 1.0 y) 1.0)))
  (+ x (* (/ x y) (- (/ 1.0 y) 1.0)))
1.558 * * * [progress]: adding candidates to table
1.606 * * [progress]: iteration 2 / 4
1.606 * * * [progress]: picking best candidate
1.608 * * * * [pick]: Picked  #<alt (λ (x y) (* x (/ y (+ y 1.0))))>
1.608 * * * [progress]: localizing error
1.614 * * * [progress]: generating rewritten candidates
1.614 * * * [progress]: generating series expansions
1.614 * * * [progress]: simplifying candidates
1.615 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.616 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.616 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.616 * [simplify]: Simplified to:
   
1.616 * * * [progress]: adding candidates to table
1.616 * [progress]: [Phase 3 of 3] Extracting.
1.617 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (/ y (+ y 1.0)))
1.618 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.618 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
1.618 * * [simplify]: iteration  done :  8  enodes  (cost  7 )
1.618 * [simplify]: Simplified to:
   (* x (/ y (+ y 1.0)))
1.962 * [regime-testing]: End program error score: 0.016377047130891362
1.986 * [regime-testing]: Target error score: 0.024455108975435624