30.643 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.271 * * * [progress]: [2/2] Setting up program.
0.272 * [progress]: [Phase 2 of 3] Improving.
0.272 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (+.f64 (/.f64 x 2) (*.f64 y x)) z)
0.285 * * [simplify]: iteration  0 :  20  enodes  (cost  13 )
0.285 * * [simplify]: iteration  1 :  20  enodes  (cost  13 )
0.286 * [simplify]: Simplified to:
   (+.f64 (+.f64 (/.f64 x 2) (*.f64 x y)) z)
0.288 * * [progress]: iteration 1 / 4
0.288 * * * [progress]: picking best candidate
0.289 * * * * [pick]: Picked  #<alt (λ (x y z) (+.f64 (+.f64 (/.f64 x 2) (*.f64 y x)) z))>
0.289 * * * [progress]: localizing error
0.295 * * * [progress]: generating rewritten candidates
0.295 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.303 * * * [progress]: generating series expansions
0.303 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.303 * [approximate]: Taking taylor expansion of (+ (* 1/2 x) (* x y)) in (x y) around 0
0.303 * [taylor]: Taking taylor expansion of (+ (* 1/2 x) (* x y)) in y
0.303 * [taylor]: Taking taylor expansion of (* 1/2 x) in y
0.303 * [taylor]: Taking taylor expansion of 1/2 in y
0.303 * [taylor]: Taking taylor expansion of x in y
0.303 * [taylor]: Taking taylor expansion of (* x y) in y
0.303 * [taylor]: Taking taylor expansion of x in y
0.303 * [taylor]: Taking taylor expansion of y in y
0.303 * [taylor]: Taking taylor expansion of (+ (* 1/2 x) (* x y)) in x
0.303 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.303 * [taylor]: Taking taylor expansion of 1/2 in x
0.303 * [taylor]: Taking taylor expansion of x in x
0.303 * [taylor]: Taking taylor expansion of (* x y) in x
0.303 * [taylor]: Taking taylor expansion of x in x
0.303 * [taylor]: Taking taylor expansion of y in x
0.303 * [taylor]: Taking taylor expansion of (+ (* 1/2 x) (* x y)) in x
0.304 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.304 * [taylor]: Taking taylor expansion of 1/2 in x
0.304 * [taylor]: Taking taylor expansion of x in x
0.304 * [taylor]: Taking taylor expansion of (* x y) in x
0.304 * [taylor]: Taking taylor expansion of x in x
0.304 * [taylor]: Taking taylor expansion of y in x
0.304 * [taylor]: Taking taylor expansion of 0 in y
0.304 * [taylor]: Taking taylor expansion of (+ y 1/2) in y
0.304 * [taylor]: Taking taylor expansion of y in y
0.304 * [taylor]: Taking taylor expansion of 1/2 in y
0.305 * [taylor]: Taking taylor expansion of 0 in y
0.306 * [taylor]: Taking taylor expansion of 0 in y
0.307 * [taylor]: Taking taylor expansion of 0 in y
0.308 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 1/2 (/ 1 x))) in (x y) around 0
0.308 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 1/2 (/ 1 x))) in y
0.308 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.308 * [taylor]: Taking taylor expansion of (* x y) in y
0.308 * [taylor]: Taking taylor expansion of x in y
0.308 * [taylor]: Taking taylor expansion of y in y
0.309 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in y
0.309 * [taylor]: Taking taylor expansion of 1/2 in y
0.309 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.309 * [taylor]: Taking taylor expansion of x in y
0.309 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 1/2 (/ 1 x))) in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.309 * [taylor]: Taking taylor expansion of (* x y) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of y in x
0.309 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.309 * [taylor]: Taking taylor expansion of 1/2 in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 1/2 (/ 1 x))) in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.309 * [taylor]: Taking taylor expansion of (* x y) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of y in x
0.310 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.310 * [taylor]: Taking taylor expansion of 1/2 in x
0.310 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.310 * [taylor]: Taking taylor expansion of x in x
0.310 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1/2) in y
0.310 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.310 * [taylor]: Taking taylor expansion of y in y
0.310 * [taylor]: Taking taylor expansion of 1/2 in y
0.312 * [taylor]: Taking taylor expansion of 0 in y
0.313 * [taylor]: Taking taylor expansion of 0 in y
0.316 * [taylor]: Taking taylor expansion of 0 in y
0.319 * [taylor]: Taking taylor expansion of 0 in y
0.320 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1/2 (/ 1 x))) in (x y) around 0
0.320 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1/2 (/ 1 x))) in y
0.320 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.320 * [taylor]: Taking taylor expansion of (* x y) in y
0.320 * [taylor]: Taking taylor expansion of x in y
0.320 * [taylor]: Taking taylor expansion of y in y
0.321 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in y
0.321 * [taylor]: Taking taylor expansion of 1/2 in y
0.321 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.321 * [taylor]: Taking taylor expansion of x in y
0.321 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1/2 (/ 1 x))) in x
0.321 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.321 * [taylor]: Taking taylor expansion of (* x y) in x
0.321 * [taylor]: Taking taylor expansion of x in x
0.321 * [taylor]: Taking taylor expansion of y in x
0.321 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.321 * [taylor]: Taking taylor expansion of 1/2 in x
0.321 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.321 * [taylor]: Taking taylor expansion of x in x
0.321 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1/2 (/ 1 x))) in x
0.321 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.321 * [taylor]: Taking taylor expansion of (* x y) in x
0.321 * [taylor]: Taking taylor expansion of x in x
0.321 * [taylor]: Taking taylor expansion of y in x
0.322 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.322 * [taylor]: Taking taylor expansion of 1/2 in x
0.322 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.322 * [taylor]: Taking taylor expansion of x in x
0.322 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1/2) in y
0.322 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.322 * [taylor]: Taking taylor expansion of y in y
0.322 * [taylor]: Taking taylor expansion of 1/2 in y
0.326 * [taylor]: Taking taylor expansion of 0 in y
0.328 * [taylor]: Taking taylor expansion of 0 in y
0.330 * [taylor]: Taking taylor expansion of 0 in y
0.333 * [taylor]: Taking taylor expansion of 0 in y
0.334 * * * [progress]: simplifying candidates
0.335 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (exp.f64 (/.f64 x 2)) (exp.f64 (*.f64 y x)))
  (exp.f64 (+.f64 (/.f64 x 2) (*.f64 y x)))
  (log.f64 (+.f64 (/.f64 x 2) (*.f64 y x)))
  (*.f64 (*.f64 (+.f64 (/.f64 x 2) (*.f64 y x)) (+.f64 (/.f64 x 2) (*.f64 y x))) (+.f64 (/.f64 x 2) (*.f64 y x)))
  (*.f64 (cbrt.f64 (+.f64 (/.f64 x 2) (*.f64 y x))) (cbrt.f64 (+.f64 (/.f64 x 2) (*.f64 y x))))
  (cbrt.f64 (+.f64 (/.f64 x 2) (*.f64 y x)))
  (sqrt.f64 (+.f64 (/.f64 x 2) (*.f64 y x)))
  (sqrt.f64 (+.f64 (/.f64 x 2) (*.f64 y x)))
  (+.f64 (pow.f64 (/.f64 x 2) 3) (pow.f64 (*.f64 y x) 3))
  (+.f64 (*.f64 (/.f64 x 2) (/.f64 x 2)) (-.f64 (*.f64 (*.f64 y x) (*.f64 y x)) (*.f64 (/.f64 x 2) (*.f64 y x))))
  (-.f64 (*.f64 (/.f64 x 2) (/.f64 x 2)) (*.f64 (*.f64 y x) (*.f64 y x)))
  (-.f64 (/.f64 x 2) (*.f64 y x))
  (+.f64 (*.f64 1/2 x) (*.f64 x y))
  (+.f64 (*.f64 1/2 x) (*.f64 x y))
  (+.f64 (*.f64 1/2 x) (*.f64 x y))
0.414 * * [simplify]: iteration  0 :  5180  enodes  (cost  167 )
0.416 * [simplify]: Simplified to:
   (pow.f64 (exp.f64 x) (+.f64 y 1/2))
  (pow.f64 (exp.f64 x) (+.f64 y 1/2))
  (log.f64 (*.f64 x (+.f64 y 1/2)))
  (pow.f64 (*.f64 x (+.f64 y 1/2)) 3)
  (*.f64 (cbrt.f64 (*.f64 x (+.f64 y 1/2))) (cbrt.f64 (*.f64 x (+.f64 y 1/2))))
  (cbrt.f64 (*.f64 x (+.f64 y 1/2)))
  (sqrt.f64 (*.f64 x (+.f64 y 1/2)))
  (sqrt.f64 (*.f64 x (+.f64 y 1/2)))
  (+.f64 (pow.f64 (/.f64 x 2) 3) (pow.f64 (*.f64 x y) 3))
  (*.f64 x (+.f64 (*.f64 y (*.f64 x (-.f64 -1/2 (neg.f64 y)))) (/.f64 x 4)))
  (*.f64 x (-.f64 (/.f64 x 4) (*.f64 x (*.f64 y y))))
  (*.f64 x (-.f64 (neg.f64 y) -1/2))
  (*.f64 x (+.f64 y 1/2))
  (*.f64 x (+.f64 y 1/2))
  (*.f64 x (+.f64 y 1/2))
0.416 * * * [progress]: adding candidates to table
0.427 * * [progress]: iteration 2 / 4
0.427 * * * [progress]: picking best candidate
0.428 * * * * [pick]: Picked  #<alt (λ (x y z) (+.f64 (*.f64 x (+.f64 y 1/2)) z))>
0.428 * * * [progress]: localizing error
0.433 * * * [progress]: generating rewritten candidates
0.433 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.440 * * * [progress]: generating series expansions
0.440 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.440 * [approximate]: Taking taylor expansion of (* (+ y 1/2) x) in (x y) around 0
0.440 * [taylor]: Taking taylor expansion of (* (+ y 1/2) x) in y
0.440 * [taylor]: Taking taylor expansion of (+ y 1/2) in y
0.440 * [taylor]: Taking taylor expansion of y in y
0.440 * [taylor]: Taking taylor expansion of 1/2 in y
0.440 * [taylor]: Taking taylor expansion of x in y
0.440 * [taylor]: Taking taylor expansion of (* (+ y 1/2) x) in x
0.440 * [taylor]: Taking taylor expansion of (+ y 1/2) in x
0.440 * [taylor]: Taking taylor expansion of y in x
0.440 * [taylor]: Taking taylor expansion of 1/2 in x
0.440 * [taylor]: Taking taylor expansion of x in x
0.440 * [taylor]: Taking taylor expansion of (* (+ y 1/2) x) in x
0.440 * [taylor]: Taking taylor expansion of (+ y 1/2) in x
0.440 * [taylor]: Taking taylor expansion of y in x
0.440 * [taylor]: Taking taylor expansion of 1/2 in x
0.440 * [taylor]: Taking taylor expansion of x in x
0.441 * [taylor]: Taking taylor expansion of 0 in y
0.441 * [taylor]: Taking taylor expansion of (+ y 1/2) in y
0.441 * [taylor]: Taking taylor expansion of y in y
0.441 * [taylor]: Taking taylor expansion of 1/2 in y
0.441 * [taylor]: Taking taylor expansion of 0 in y
0.442 * [taylor]: Taking taylor expansion of 0 in y
0.443 * [taylor]: Taking taylor expansion of 0 in y
0.444 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 1/2) x) in (x y) around 0
0.444 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1/2) x) in y
0.444 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1/2) in y
0.444 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.444 * [taylor]: Taking taylor expansion of y in y
0.444 * [taylor]: Taking taylor expansion of 1/2 in y
0.444 * [taylor]: Taking taylor expansion of x in y
0.444 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1/2) x) in x
0.444 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1/2) in x
0.444 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.444 * [taylor]: Taking taylor expansion of y 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 (/ (+ (/ 1 y) 1/2) x) in x
0.444 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1/2) in x
0.444 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.444 * [taylor]: Taking taylor expansion of y in x
0.445 * [taylor]: Taking taylor expansion of 1/2 in x
0.445 * [taylor]: Taking taylor expansion of x in x
0.445 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1/2) in y
0.445 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.445 * [taylor]: Taking taylor expansion of y in y
0.445 * [taylor]: Taking taylor expansion of 1/2 in y
0.446 * [taylor]: Taking taylor expansion of 0 in y
0.447 * [taylor]: Taking taylor expansion of 0 in y
0.449 * [taylor]: Taking taylor expansion of 0 in y
0.451 * [taylor]: Taking taylor expansion of 0 in y
0.452 * [approximate]: Taking taylor expansion of (* -1 (/ (- 1/2 (/ 1 y)) x)) in (x y) around 0
0.452 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1/2 (/ 1 y)) x)) in y
0.452 * [taylor]: Taking taylor expansion of -1 in y
0.452 * [taylor]: Taking taylor expansion of (/ (- 1/2 (/ 1 y)) x) in y
0.452 * [taylor]: Taking taylor expansion of (- 1/2 (/ 1 y)) in y
0.452 * [taylor]: Taking taylor expansion of 1/2 in y
0.452 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.452 * [taylor]: Taking taylor expansion of y in y
0.453 * [taylor]: Taking taylor expansion of x in y
0.453 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1/2 (/ 1 y)) x)) in x
0.453 * [taylor]: Taking taylor expansion of -1 in x
0.453 * [taylor]: Taking taylor expansion of (/ (- 1/2 (/ 1 y)) x) in x
0.453 * [taylor]: Taking taylor expansion of (- 1/2 (/ 1 y)) in x
0.453 * [taylor]: Taking taylor expansion of 1/2 in x
0.453 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.453 * [taylor]: Taking taylor expansion of y in x
0.453 * [taylor]: Taking taylor expansion of x in x
0.454 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1/2 (/ 1 y)) x)) in x
0.454 * [taylor]: Taking taylor expansion of -1 in x
0.454 * [taylor]: Taking taylor expansion of (/ (- 1/2 (/ 1 y)) x) in x
0.454 * [taylor]: Taking taylor expansion of (- 1/2 (/ 1 y)) in x
0.454 * [taylor]: Taking taylor expansion of 1/2 in x
0.454 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.454 * [taylor]: Taking taylor expansion of y in x
0.454 * [taylor]: Taking taylor expansion of x in x
0.455 * [taylor]: Taking taylor expansion of (* -1 (- 1/2 (/ 1 y))) in y
0.455 * [taylor]: Taking taylor expansion of -1 in y
0.455 * [taylor]: Taking taylor expansion of (- 1/2 (/ 1 y)) in y
0.455 * [taylor]: Taking taylor expansion of 1/2 in y
0.455 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.455 * [taylor]: Taking taylor expansion of y in y
0.456 * [taylor]: Taking taylor expansion of 0 in y
0.458 * [taylor]: Taking taylor expansion of 0 in y
0.461 * [taylor]: Taking taylor expansion of 0 in y
0.464 * [taylor]: Taking taylor expansion of 0 in y
0.465 * * * [progress]: simplifying candidates
0.466 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 x (+.f64 y 1/2))
  (+.f64 (log.f64 x) (log.f64 (+.f64 y 1/2)))
  (exp.f64 (*.f64 x (+.f64 y 1/2)))
  (log.f64 (*.f64 x (+.f64 y 1/2)))
  (*.f64 (*.f64 (*.f64 x (+.f64 y 1/2)) (*.f64 x (+.f64 y 1/2))) (*.f64 x (+.f64 y 1/2)))
  (*.f64 (cbrt.f64 (*.f64 x (+.f64 y 1/2))) (cbrt.f64 (*.f64 x (+.f64 y 1/2))))
  (cbrt.f64 (*.f64 x (+.f64 y 1/2)))
  (*.f64 (*.f64 (*.f64 x x) x) (*.f64 (*.f64 (+.f64 y 1/2) (+.f64 y 1/2)) (+.f64 y 1/2)))
  (sqrt.f64 (*.f64 x (+.f64 y 1/2)))
  (sqrt.f64 (*.f64 x (+.f64 y 1/2)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (+.f64 y 1/2)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (+.f64 y 1/2)))
  (*.f64 y x)
  (*.f64 1/2 x)
  (*.f64 x y)
  (*.f64 x 1/2)
  (*.f64 x (+.f64 (pow.f64 y 3) (pow.f64 1/2 3)))
  (*.f64 x (-.f64 (*.f64 y y) (*.f64 1/2 1/2)))
  (*.f64 (cbrt.f64 x) (+.f64 y 1/2))
  (*.f64 (sqrt.f64 x) (+.f64 y 1/2))
  (*.f64 x (+.f64 y 1/2))
  (*.f64 x (*.f64 (cbrt.f64 (+.f64 y 1/2)) (cbrt.f64 (+.f64 y 1/2))))
  (*.f64 x (sqrt.f64 (+.f64 y 1/2)))
  (*.f64 x 1)
  (*.f64 x 1)
  (+.f64 (*.f64 1/2 x) (*.f64 x y))
  (+.f64 (*.f64 1/2 x) (*.f64 x y))
  (+.f64 (*.f64 1/2 x) (*.f64 x y))
0.562 * * [simplify]: iteration  0 :  4892  enodes  (cost  233 )
0.562 * * [simplify]: iteration  1 :  4892  enodes  (cost  233 )
0.564 * [simplify]: Simplified to:
   (*.f64 x (+.f64 y 1/2))
  (log.f64 (*.f64 x (+.f64 y 1/2)))
  (exp.f64 (*.f64 x (+.f64 y 1/2)))
  (log.f64 (*.f64 x (+.f64 y 1/2)))
  (pow.f64 (*.f64 x (+.f64 y 1/2)) 3)
  (*.f64 (cbrt.f64 (*.f64 x (+.f64 y 1/2))) (cbrt.f64 (*.f64 x (+.f64 y 1/2))))
  (cbrt.f64 (*.f64 x (+.f64 y 1/2)))
  (pow.f64 (*.f64 x (+.f64 y 1/2)) 3)
  (sqrt.f64 (*.f64 x (+.f64 y 1/2)))
  (sqrt.f64 (*.f64 x (+.f64 y 1/2)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (+.f64 y 1/2)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (+.f64 y 1/2)))
  (*.f64 x y)
  (*.f64 x 1/2)
  (*.f64 x y)
  (*.f64 x 1/2)
  (*.f64 x (+.f64 (pow.f64 y 3) 1/8))
  (*.f64 x (-.f64 (*.f64 y y) 1/4))
  (*.f64 (+.f64 y 1/2) (cbrt.f64 x))
  (*.f64 (+.f64 y 1/2) (sqrt.f64 x))
  (*.f64 x (+.f64 y 1/2))
  (*.f64 x (*.f64 (cbrt.f64 (+.f64 y 1/2)) (cbrt.f64 (+.f64 y 1/2))))
  (*.f64 x (sqrt.f64 (+.f64 y 1/2)))
  x
  x
  (*.f64 x (+.f64 y 1/2))
  (*.f64 x (+.f64 y 1/2))
  (*.f64 x (+.f64 y 1/2))
0.564 * * * [progress]: adding candidates to table
0.584 * [progress]: [Phase 3 of 3] Extracting.
0.586 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (*.f64 x (+.f64 y 1/2)) z)
0.590 * * [simplify]: iteration  0 :  11  enodes  (cost  10 )
0.590 * * [simplify]: iteration  1 :  11  enodes  (cost  10 )
0.590 * [simplify]: Simplified to:
   (+.f64 (*.f64 x (+.f64 y 1/2)) z)
1.033 * [regime-testing]: End program error score: 0.00707400456316054