15.622 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.326 * * * [progress]: [2/2] Setting up program.
0.329 * [progress]: [Phase 2 of 3] Improving.
0.329 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (/ x 2.0) (* y x)) z)
0.332 * * [simplify]: iteration  0 :  19  enodes  (cost  9 )
0.332 * * [simplify]: iteration  1 :  19  enodes  (cost  9 )
0.332 * [simplify]: Simplified to:
   (+ (/ x 2.0) (+ (* x y) z))
0.335 * * [progress]: iteration 1 / 4
0.335 * * * [progress]: picking best candidate
0.337 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))>
0.337 * * * [progress]: localizing error
0.343 * * * [progress]: generating rewritten candidates
0.343 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.349 * * * [progress]: generating series expansions
0.349 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.350 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in (x y) around 0
0.350 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in y
0.350 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.350 * [taylor]: Taking taylor expansion of 0.5 in y
0.350 * [taylor]: Taking taylor expansion of x in y
0.350 * [taylor]: Taking taylor expansion of (* x y) in y
0.350 * [taylor]: Taking taylor expansion of x in y
0.350 * [taylor]: Taking taylor expansion of y in y
0.350 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.350 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.350 * [taylor]: Taking taylor expansion of 0.5 in x
0.350 * [taylor]: Taking taylor expansion of x in x
0.350 * [taylor]: Taking taylor expansion of (* x y) in x
0.350 * [taylor]: Taking taylor expansion of x in x
0.350 * [taylor]: Taking taylor expansion of y in x
0.350 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.350 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.350 * [taylor]: Taking taylor expansion of 0.5 in x
0.350 * [taylor]: Taking taylor expansion of x in x
0.350 * [taylor]: Taking taylor expansion of (* x y) in x
0.350 * [taylor]: Taking taylor expansion of x in x
0.350 * [taylor]: Taking taylor expansion of y in x
0.350 * [taylor]: Taking taylor expansion of 0 in y
0.350 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.350 * [taylor]: Taking taylor expansion of y in y
0.350 * [taylor]: Taking taylor expansion of 0.5 in y
0.350 * [taylor]: Taking taylor expansion of 0 in y
0.351 * [taylor]: Taking taylor expansion of 0 in y
0.351 * [taylor]: Taking taylor expansion of 0 in y
0.351 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.351 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.351 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.351 * [taylor]: Taking taylor expansion of (* x y) in y
0.351 * [taylor]: Taking taylor expansion of x in y
0.351 * [taylor]: Taking taylor expansion of y in y
0.351 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.351 * [taylor]: Taking taylor expansion of 0.5 in y
0.351 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.351 * [taylor]: Taking taylor expansion of x in y
0.351 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.351 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.351 * [taylor]: Taking taylor expansion of (* x y) in x
0.351 * [taylor]: Taking taylor expansion of x in x
0.351 * [taylor]: Taking taylor expansion of y in x
0.351 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.351 * [taylor]: Taking taylor expansion of 0.5 in x
0.351 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.351 * [taylor]: Taking taylor expansion of x in x
0.351 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.351 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.351 * [taylor]: Taking taylor expansion of (* x y) in x
0.351 * [taylor]: Taking taylor expansion of x in x
0.351 * [taylor]: Taking taylor expansion of y in x
0.351 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.352 * [taylor]: Taking taylor expansion of 0.5 in x
0.352 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.352 * [taylor]: Taking taylor expansion of x in x
0.352 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.352 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.352 * [taylor]: Taking taylor expansion of y in y
0.352 * [taylor]: Taking taylor expansion of 0.5 in y
0.352 * [taylor]: Taking taylor expansion of 0 in y
0.352 * [taylor]: Taking taylor expansion of 0 in y
0.352 * [taylor]: Taking taylor expansion of 0 in y
0.353 * [taylor]: Taking taylor expansion of 0 in y
0.353 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.353 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.353 * [taylor]: Taking taylor expansion of (* x y) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.353 * [taylor]: Taking taylor expansion of y in y
0.353 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.353 * [taylor]: Taking taylor expansion of 0.5 in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.353 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.353 * [taylor]: Taking taylor expansion of (* x y) in x
0.353 * [taylor]: Taking taylor expansion of x in x
0.353 * [taylor]: Taking taylor expansion of y in x
0.353 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.353 * [taylor]: Taking taylor expansion of 0.5 in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.353 * [taylor]: Taking taylor expansion of x in x
0.353 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.353 * [taylor]: Taking taylor expansion of (* x y) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [taylor]: Taking taylor expansion of y in x
0.354 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.354 * [taylor]: Taking taylor expansion of 0.5 in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.354 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.354 * [taylor]: Taking taylor expansion of y in y
0.354 * [taylor]: Taking taylor expansion of 0.5 in y
0.354 * [taylor]: Taking taylor expansion of 0 in y
0.354 * [taylor]: Taking taylor expansion of 0 in y
0.355 * [taylor]: Taking taylor expansion of 0 in y
0.355 * [taylor]: Taking taylor expansion of 0 in y
0.355 * * * [progress]: simplifying candidates
0.355 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (/ x 2.0)) (exp (* y x)))
  (log (+ (/ x 2.0) (* y x)))
  (exp (+ (/ x 2.0) (* y x)))
  (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x))))
  (cbrt (+ (/ x 2.0) (* y x)))
  (* (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (+ (pow (/ x 2.0) 3) (pow (* y x) 3))
  (+ (* (/ x 2.0) (/ x 2.0)) (- (* (* y x) (* y x)) (* (/ x 2.0) (* y x))))
  (- (* (/ x 2.0) (/ x 2.0)) (* (* y x) (* y x)))
  (- (/ x 2.0) (* y x))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
0.398 * * [simplify]: iteration  0 :  5278  enodes  (cost  137 )
0.399 * [simplify]: Simplified to:
   (exp (+ (/ x 2.0) (* x y)))
  (log (+ (/ x 2.0) (* x y)))
  (exp (+ (/ x 2.0) (* x y)))
  (* (cbrt (+ (/ x 2.0) (* x y))) (cbrt (+ (/ x 2.0) (* x y))))
  (cbrt (+ (/ x 2.0) (* x y)))
  (pow (+ (/ x 2.0) (* x y)) 3)
  (sqrt (+ (/ x 2.0) (* x y)))
  (sqrt (+ (/ x 2.0) (* x y)))
  (+ (pow (/ x 2.0) 3) (pow (* x y) 3))
  (* x (+ (* x (- (* y y) (/ y 2.0))) (/ x (* 2.0 2.0))))
  (* x (- (/ x (* 2.0 2.0)) (* x (* y y))))
  (- (/ x 2.0) (* x y))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
0.399 * * * [progress]: adding candidates to table
0.420 * * [progress]: iteration 2 / 4
0.420 * * * [progress]: picking best candidate
0.422 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* x (+ y 0.5)) z))>
0.422 * * * [progress]: localizing error
0.427 * * * [progress]: generating rewritten candidates
0.427 * * * [progress]: generating series expansions
0.427 * * * [progress]: simplifying candidates
0.427 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.429 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.429 * [simplify]: Simplified to:
   
0.429 * * * [progress]: adding candidates to table
0.430 * [progress]: [Phase 3 of 3] Extracting.
0.432 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x (+ y 0.5)) z)
0.433 * * [simplify]: iteration  0 :  10  enodes  (cost  7 )
0.433 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.433 * [simplify]: Simplified to:
   (+ (* x (+ y 0.5)) z)
1.051 * [regime-testing]: End program error score: 0.008251031378922365