25.362 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.284 * * * [progress]: [2/2] Setting up program.
0.287 * [progress]: [Phase 2 of 3] Improving.
0.287 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z)
0.292 * * [simplify]: iteration  0 :  19  enodes  (cost  9 )
0.292 * * [simplify]: iteration  1 :  19  enodes  (cost  9 )
0.292 * [simplify]: Simplified to:
   (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y)) z)
0.296 * * [progress]: iteration 1 / 4
0.296 * * * [progress]: picking best candidate
0.298 * * * * [pick]: Picked  #<alt (λ (x y z) (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z))>
0.298 * * * [progress]: localizing error
0.304 * * * [progress]: generating rewritten candidates
0.304 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.311 * * * [progress]: generating series expansions
0.311 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.311 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in (x y) around 0
0.311 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.311 * [taylor]: Taking taylor expansion of 0.5 in y
0.311 * [taylor]: Taking taylor expansion of x in y
0.312 * [taylor]: Taking taylor expansion of (* x y) in y
0.312 * [taylor]: Taking taylor expansion of x in y
0.312 * [taylor]: Taking taylor expansion of y in y
0.312 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.312 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.312 * [taylor]: Taking taylor expansion of 0.5 in x
0.312 * [taylor]: Taking taylor expansion of x in x
0.312 * [taylor]: Taking taylor expansion of (* x y) in x
0.312 * [taylor]: Taking taylor expansion of x in x
0.312 * [taylor]: Taking taylor expansion of y in x
0.312 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.312 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.312 * [taylor]: Taking taylor expansion of 0.5 in x
0.312 * [taylor]: Taking taylor expansion of x in x
0.312 * [taylor]: Taking taylor expansion of (* x y) in x
0.312 * [taylor]: Taking taylor expansion of x in x
0.312 * [taylor]: Taking taylor expansion of y in x
0.312 * [taylor]: Taking taylor expansion of 0 in y
0.312 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.312 * [taylor]: Taking taylor expansion of y in y
0.312 * [taylor]: Taking taylor expansion of 0.5 in y
0.312 * [taylor]: Taking taylor expansion of 0 in y
0.312 * [taylor]: Taking taylor expansion of 0 in y
0.313 * [taylor]: Taking taylor expansion of 0 in y
0.313 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.313 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.313 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.313 * [taylor]: Taking taylor expansion of (* x y) in y
0.313 * [taylor]: Taking taylor expansion of x in y
0.313 * [taylor]: Taking taylor expansion of y in y
0.313 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.313 * [taylor]: Taking taylor expansion of 0.5 in y
0.313 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.313 * [taylor]: Taking taylor expansion of x in y
0.313 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.313 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.313 * [taylor]: Taking taylor expansion of (* x y) in x
0.313 * [taylor]: Taking taylor expansion of x in x
0.313 * [taylor]: Taking taylor expansion of y in x
0.313 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.313 * [taylor]: Taking taylor expansion of 0.5 in x
0.313 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.313 * [taylor]: Taking taylor expansion of x in x
0.314 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.314 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.314 * [taylor]: Taking taylor expansion of (* x y) in x
0.314 * [taylor]: Taking taylor expansion of x in x
0.314 * [taylor]: Taking taylor expansion of y in x
0.314 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.314 * [taylor]: Taking taylor expansion of 0.5 in x
0.314 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.314 * [taylor]: Taking taylor expansion of x in x
0.314 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.314 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.314 * [taylor]: Taking taylor expansion of y in y
0.314 * [taylor]: Taking taylor expansion of 0.5 in y
0.314 * [taylor]: Taking taylor expansion of 0 in y
0.315 * [taylor]: Taking taylor expansion of 0 in y
0.315 * [taylor]: Taking taylor expansion of 0 in y
0.316 * [taylor]: Taking taylor expansion of 0 in y
0.316 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.316 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.316 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.316 * [taylor]: Taking taylor expansion of (* x y) in y
0.316 * [taylor]: Taking taylor expansion of x in y
0.316 * [taylor]: Taking taylor expansion of y in y
0.316 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.316 * [taylor]: Taking taylor expansion of 0.5 in y
0.316 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.316 * [taylor]: Taking taylor expansion of x in y
0.316 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.316 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.316 * [taylor]: Taking taylor expansion of (* x y) in x
0.316 * [taylor]: Taking taylor expansion of x in x
0.316 * [taylor]: Taking taylor expansion of y in x
0.316 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.316 * [taylor]: Taking taylor expansion of 0.5 in x
0.316 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.316 * [taylor]: Taking taylor expansion of x in x
0.316 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.316 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.316 * [taylor]: Taking taylor expansion of (* x y) in x
0.316 * [taylor]: Taking taylor expansion of x in x
0.317 * [taylor]: Taking taylor expansion of y in x
0.317 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.317 * [taylor]: Taking taylor expansion of 0.5 in x
0.317 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.317 * [taylor]: Taking taylor expansion of x in x
0.317 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.317 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.317 * [taylor]: Taking taylor expansion of y in y
0.317 * [taylor]: Taking taylor expansion of 0.5 in y
0.317 * [taylor]: Taking taylor expansion of 0 in y
0.317 * [taylor]: Taking taylor expansion of 0 in y
0.318 * [taylor]: Taking taylor expansion of 0 in y
0.318 * [taylor]: Taking taylor expansion of 0 in y
0.319 * * * [progress]: simplifying candidates
0.319 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (exp.f64 (/.f64 x 2.0)) (exp.f64 (*.f64 y x)))
  (log.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)))
  (exp.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)))
  (*.f64 (cbrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x))) (cbrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x))))
  (cbrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)))
  (*.f64 (*.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) (+.f64 (/.f64 x 2.0) (*.f64 y x))) (+.f64 (/.f64 x 2.0) (*.f64 y x)))
  (sqrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)))
  (sqrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)))
  (+.f64 (pow.f64 (/.f64 x 2.0) 3) (pow.f64 (*.f64 y x) 3))
  (+.f64 (*.f64 (/.f64 x 2.0) (/.f64 x 2.0)) (-.f64 (*.f64 (*.f64 y x) (*.f64 y x)) (*.f64 (/.f64 x 2.0) (*.f64 y x))))
  (-.f64 (*.f64 (/.f64 x 2.0) (/.f64 x 2.0)) (*.f64 (*.f64 y x) (*.f64 y x)))
  (-.f64 (/.f64 x 2.0) (*.f64 y x))
  (+.f64 (*.f64 0.5 x) (*.f64 x y))
  (+.f64 (*.f64 0.5 x) (*.f64 x y))
  (+.f64 (*.f64 0.5 x) (*.f64 x y))
0.373 * * [simplify]: iteration  0 :  5278  enodes  (cost  137 )
0.375 * [simplify]: Simplified to:
   (exp.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y)))
  (log.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y)))
  (exp.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y)))
  (*.f64 (cbrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y))) (cbrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y))))
  (cbrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y)))
  (pow.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y)) 3)
  (sqrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y)))
  (sqrt.f64 (+.f64 (/.f64 x 2.0) (*.f64 x y)))
  (+.f64 (pow.f64 (/.f64 x 2.0) 3) (pow.f64 (*.f64 x y) 3))
  (*.f64 x (+.f64 (*.f64 y (-.f64 (*.f64 x y) (/.f64 x 2.0))) (/.f64 x (*.f64 2.0 2.0))))
  (*.f64 x (-.f64 (/.f64 x (*.f64 2.0 2.0)) (*.f64 x (*.f64 y y))))
  (-.f64 (/.f64 x 2.0) (*.f64 x y))
  (*.f64 x (+.f64 y 0.5))
  (*.f64 x (+.f64 y 0.5))
  (*.f64 x (+.f64 y 0.5))
0.375 * * * [progress]: adding candidates to table
0.394 * * [progress]: iteration 2 / 4
0.394 * * * [progress]: picking best candidate
0.397 * * * * [pick]: Picked  #<alt (λ (x y z) (+.f64 (*.f64 x (+.f64 y 0.5)) z))>
0.397 * * * [progress]: localizing error
0.402 * * * [progress]: generating rewritten candidates
0.402 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.409 * * * [progress]: generating series expansions
0.409 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.409 * [approximate]: Taking taylor expansion of (* x (+ y 0.5)) in (x y) around 0
0.409 * [taylor]: Taking taylor expansion of (* x (+ y 0.5)) in y
0.409 * [taylor]: Taking taylor expansion of x in y
0.409 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.409 * [taylor]: Taking taylor expansion of y in y
0.409 * [taylor]: Taking taylor expansion of 0.5 in y
0.409 * [taylor]: Taking taylor expansion of (* x (+ y 0.5)) in x
0.409 * [taylor]: Taking taylor expansion of x in x
0.409 * [taylor]: Taking taylor expansion of (+ y 0.5) in x
0.409 * [taylor]: Taking taylor expansion of y in x
0.409 * [taylor]: Taking taylor expansion of 0.5 in x
0.409 * [taylor]: Taking taylor expansion of (* x (+ y 0.5)) in x
0.409 * [taylor]: Taking taylor expansion of x in x
0.409 * [taylor]: Taking taylor expansion of (+ y 0.5) in x
0.409 * [taylor]: Taking taylor expansion of y in x
0.409 * [taylor]: Taking taylor expansion of 0.5 in x
0.409 * [taylor]: Taking taylor expansion of 0 in y
0.409 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.409 * [taylor]: Taking taylor expansion of y in y
0.410 * [taylor]: Taking taylor expansion of 0.5 in y
0.410 * [taylor]: Taking taylor expansion of 0 in y
0.410 * [taylor]: Taking taylor expansion of 0 in y
0.410 * [taylor]: Taking taylor expansion of 0 in y
0.410 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in (x y) around 0
0.410 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in y
0.410 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.410 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.410 * [taylor]: Taking taylor expansion of y in y
0.410 * [taylor]: Taking taylor expansion of 0.5 in y
0.411 * [taylor]: Taking taylor expansion of x in y
0.411 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in x
0.411 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in x
0.411 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.411 * [taylor]: Taking taylor expansion of y in x
0.411 * [taylor]: Taking taylor expansion of 0.5 in x
0.411 * [taylor]: Taking taylor expansion of x in x
0.411 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in x
0.411 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in x
0.411 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.411 * [taylor]: Taking taylor expansion of y in x
0.411 * [taylor]: Taking taylor expansion of 0.5 in x
0.411 * [taylor]: Taking taylor expansion of x in x
0.411 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.411 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.411 * [taylor]: Taking taylor expansion of y in y
0.411 * [taylor]: Taking taylor expansion of 0.5 in y
0.411 * [taylor]: Taking taylor expansion of 0 in y
0.412 * [taylor]: Taking taylor expansion of 0 in y
0.412 * [taylor]: Taking taylor expansion of 0 in y
0.413 * [taylor]: Taking taylor expansion of 0 in y
0.413 * [approximate]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in (x y) around 0
0.413 * [taylor]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in y
0.413 * [taylor]: Taking taylor expansion of -1 in y
0.413 * [taylor]: Taking taylor expansion of (/ (- 0.5 (/ 1 y)) x) in y
0.413 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in y
0.413 * [taylor]: Taking taylor expansion of 0.5 in y
0.413 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.413 * [taylor]: Taking taylor expansion of y in y
0.413 * [taylor]: Taking taylor expansion of x in y
0.413 * [taylor]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in x
0.413 * [taylor]: Taking taylor expansion of -1 in x
0.413 * [taylor]: Taking taylor expansion of (/ (- 0.5 (/ 1 y)) x) in x
0.413 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in x
0.413 * [taylor]: Taking taylor expansion of 0.5 in x
0.413 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.413 * [taylor]: Taking taylor expansion of y in x
0.413 * [taylor]: Taking taylor expansion of x in x
0.414 * [taylor]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in x
0.414 * [taylor]: Taking taylor expansion of -1 in x
0.414 * [taylor]: Taking taylor expansion of (/ (- 0.5 (/ 1 y)) x) in x
0.414 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in x
0.414 * [taylor]: Taking taylor expansion of 0.5 in x
0.414 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.414 * [taylor]: Taking taylor expansion of y in x
0.414 * [taylor]: Taking taylor expansion of x in x
0.414 * [taylor]: Taking taylor expansion of (* -1 (- 0.5 (/ 1 y))) in y
0.414 * [taylor]: Taking taylor expansion of -1 in y
0.414 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in y
0.414 * [taylor]: Taking taylor expansion of 0.5 in y
0.414 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.414 * [taylor]: Taking taylor expansion of y in y
0.414 * [taylor]: Taking taylor expansion of 0 in y
0.415 * [taylor]: Taking taylor expansion of 0 in y
0.415 * [taylor]: Taking taylor expansion of 0 in y
0.416 * [taylor]: Taking taylor expansion of 0 in y
0.416 * * * [progress]: simplifying candidates
0.417 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 x (+.f64 y 0.5))
  (+.f64 (log.f64 x) (log.f64 (+.f64 y 0.5)))
  (log.f64 (*.f64 x (+.f64 y 0.5)))
  (exp.f64 (*.f64 x (+.f64 y 0.5)))
  (*.f64 (*.f64 (*.f64 x x) x) (*.f64 (*.f64 (+.f64 y 0.5) (+.f64 y 0.5)) (+.f64 y 0.5)))
  (*.f64 (cbrt.f64 (*.f64 x (+.f64 y 0.5))) (cbrt.f64 (*.f64 x (+.f64 y 0.5))))
  (cbrt.f64 (*.f64 x (+.f64 y 0.5)))
  (*.f64 (*.f64 (*.f64 x (+.f64 y 0.5)) (*.f64 x (+.f64 y 0.5))) (*.f64 x (+.f64 y 0.5)))
  (sqrt.f64 (*.f64 x (+.f64 y 0.5)))
  (sqrt.f64 (*.f64 x (+.f64 y 0.5)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (+.f64 y 0.5)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (+.f64 y 0.5)))
  (*.f64 x y)
  (*.f64 x 0.5)
  (*.f64 y x)
  (*.f64 0.5 x)
  (*.f64 x (*.f64 (cbrt.f64 (+.f64 y 0.5)) (cbrt.f64 (+.f64 y 0.5))))
  (*.f64 x (sqrt.f64 (+.f64 y 0.5)))
  (*.f64 x 1)
  (*.f64 x 1)
  (*.f64 (cbrt.f64 x) (+.f64 y 0.5))
  (*.f64 (sqrt.f64 x) (+.f64 y 0.5))
  (*.f64 x (+.f64 y 0.5))
  (*.f64 x (+.f64 (pow.f64 y 3) (pow.f64 0.5 3)))
  (*.f64 x (-.f64 (*.f64 y y) (*.f64 0.5 0.5)))
  (+.f64 (*.f64 0.5 x) (*.f64 x y))
  (+.f64 (*.f64 0.5 x) (*.f64 x y))
  (+.f64 (*.f64 0.5 x) (*.f64 x y))
0.495 * * [simplify]: iteration  0 :  4889  enodes  (cost  163 )
0.496 * * [simplify]: iteration  1 :  4889  enodes  (cost  163 )
0.497 * [simplify]: Simplified to:
   (*.f64 x (+.f64 y 0.5))
  (log.f64 (*.f64 x (+.f64 y 0.5)))
  (log.f64 (*.f64 x (+.f64 y 0.5)))
  (exp.f64 (*.f64 x (+.f64 y 0.5)))
  (pow.f64 (*.f64 x (+.f64 y 0.5)) 3)
  (*.f64 (cbrt.f64 (*.f64 x (+.f64 y 0.5))) (cbrt.f64 (*.f64 x (+.f64 y 0.5))))
  (cbrt.f64 (*.f64 x (+.f64 y 0.5)))
  (pow.f64 (*.f64 x (+.f64 y 0.5)) 3)
  (sqrt.f64 (*.f64 x (+.f64 y 0.5)))
  (sqrt.f64 (*.f64 x (+.f64 y 0.5)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (+.f64 y 0.5)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (+.f64 y 0.5)))
  (*.f64 x y)
  (*.f64 x 0.5)
  (*.f64 x y)
  (*.f64 x 0.5)
  (*.f64 x (*.f64 (cbrt.f64 (+.f64 y 0.5)) (cbrt.f64 (+.f64 y 0.5))))
  (*.f64 x (sqrt.f64 (+.f64 y 0.5)))
  x
  x
  (*.f64 (+.f64 y 0.5) (cbrt.f64 x))
  (*.f64 (+.f64 y 0.5) (sqrt.f64 x))
  (*.f64 x (+.f64 y 0.5))
  (*.f64 x (+.f64 (pow.f64 y 3) (pow.f64 0.5 3)))
  (*.f64 x (-.f64 (*.f64 y y) (*.f64 0.5 0.5)))
  (*.f64 x (+.f64 y 0.5))
  (*.f64 x (+.f64 y 0.5))
  (*.f64 x (+.f64 y 0.5))
0.497 * * * [progress]: adding candidates to table
0.524 * [progress]: [Phase 3 of 3] Extracting.
0.524 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z) (+.f64 (*.f64 x (+.f64 y 0.5)) z))> #<alt (λ (x y z) (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z))>)
0.525 * * * [regime-changes]: Trying 5 branch expressions: ((+.f64 (/.f64 x 2.0) (*.f64 y x)) (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z) z y x)
0.525 * * * * [regimes]: Trying to branch on (+.f64 (/.f64 x 2.0) (*.f64 y x)) from (#<alt (λ (x y z) (+.f64 (*.f64 x (+.f64 y 0.5)) z))> #<alt (λ (x y z) (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z))>)
0.565 * * * * [regimes]: Trying to branch on (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z) from (#<alt (λ (x y z) (+.f64 (*.f64 x (+.f64 y 0.5)) z))> #<alt (λ (x y z) (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z))>)
0.607 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z) (+.f64 (*.f64 x (+.f64 y 0.5)) z))> #<alt (λ (x y z) (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z))>)
0.645 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z) (+.f64 (*.f64 x (+.f64 y 0.5)) z))> #<alt (λ (x y z) (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z))>)
0.681 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z) (+.f64 (*.f64 x (+.f64 y 0.5)) z))> #<alt (λ (x y z) (+.f64 (+.f64 (/.f64 x 2.0) (*.f64 y x)) z))>)
0.719 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.720 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 (*.f64 x (+.f64 y 0.5)) z)
0.721 * * [simplify]: iteration  0 :  10  enodes  (cost  7 )
0.721 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.721 * [simplify]: Simplified to:
   (+.f64 (*.f64 x (+.f64 y 0.5)) z)
1.436 * [regime-testing]: End program error score: 0.006750843855481936