12.852 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
0.026 * * [simplify]: iteration  0 :  228  enodes  (cost  7 )
0.027 * * [simplify]: iteration  1 :  228  enodes  (cost  7 )
0.027 * [simplify]: Simplified to:
   (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
0.027 * * [progress]: iteration 1 / 4
0.027 * * * [progress]: picking best candidate
0.029 * * * * [pick]: Picked  #<alt (λ (x) (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))>
0.029 * * * [progress]: localizing error
0.033 * * * [progress]: generating rewritten candidates
0.033 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.040 * * * [progress]: generating series expansions
0.040 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.040 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.040 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.040 * [taylor]: Taking taylor expansion of 1.0 in x
0.040 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.040 * [taylor]: Taking taylor expansion of 0.5 in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.040 * [taylor]: Taking taylor expansion of 1.0 in x
0.040 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.040 * [taylor]: Taking taylor expansion of 0.5 in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.042 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.042 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.042 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.042 * [taylor]: Taking taylor expansion of 1.0 in x
0.042 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.042 * [taylor]: Taking taylor expansion of 0.5 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 x in x
0.042 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.042 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.042 * [taylor]: Taking taylor expansion of 1.0 in x
0.042 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.042 * [taylor]: Taking taylor expansion of 0.5 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 x in x
0.045 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.045 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.045 * [taylor]: Taking taylor expansion of -1 in x
0.045 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.045 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.045 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.045 * [taylor]: Taking taylor expansion of 0.5 in x
0.045 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of 1.0 in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.045 * [taylor]: Taking taylor expansion of -1 in x
0.045 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.045 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.045 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.045 * [taylor]: Taking taylor expansion of 0.5 in x
0.045 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of 1.0 in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.048 * * * [progress]: simplifying candidates
0.049 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
  (+.f64 (log.f64 x) (log.f64 (-.f64 1.0 (*.f64 x 0.5))))
  (log.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (exp.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 (*.f64 (*.f64 x x) x) (*.f64 (*.f64 (-.f64 1.0 (*.f64 x 0.5)) (-.f64 1.0 (*.f64 x 0.5))) (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 (cbrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))) (cbrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))))
  (cbrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 (*.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))) (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))) (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (sqrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (sqrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 x 1.0)
  (*.f64 x (neg.f64 (*.f64 x 0.5)))
  (*.f64 1.0 x)
  (*.f64 (neg.f64 (*.f64 x 0.5)) x)
  (*.f64 x (*.f64 (cbrt.f64 (-.f64 1.0 (*.f64 x 0.5))) (cbrt.f64 (-.f64 1.0 (*.f64 x 0.5)))))
  (*.f64 x (sqrt.f64 (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 x 1)
  (*.f64 (cbrt.f64 x) (-.f64 1.0 (*.f64 x 0.5)))
  (*.f64 (sqrt.f64 x) (-.f64 1.0 (*.f64 x 0.5)))
  (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
  (*.f64 x (-.f64 (pow.f64 1.0 3) (pow.f64 (*.f64 x 0.5) 3)))
  (*.f64 x (-.f64 (*.f64 1.0 1.0) (*.f64 (*.f64 x 0.5) (*.f64 x 0.5))))
  (-.f64 (*.f64 1.0 x) (*.f64 0.5 (pow.f64 x 2)))
  (-.f64 (*.f64 1.0 x) (*.f64 0.5 (pow.f64 x 2)))
  (-.f64 (*.f64 1.0 x) (*.f64 0.5 (pow.f64 x 2)))
0.100 * * [simplify]: iteration  0 :  4987  enodes  (cost  218 )
0.100 * * [simplify]: iteration  1 :  4987  enodes  (cost  218 )
0.102 * [simplify]: Simplified to:
   (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
  (log.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (log.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (exp.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (pow.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))) 3)
  (*.f64 (cbrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))) (cbrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))))
  (cbrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (pow.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))) 3)
  (sqrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (sqrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 1.0 (*.f64 x 0.5))))
  (*.f64 x 1.0)
  (*.f64 x (neg.f64 (*.f64 x 0.5)))
  (*.f64 x 1.0)
  (*.f64 x (neg.f64 (*.f64 x 0.5)))
  (*.f64 x (*.f64 (cbrt.f64 (-.f64 1.0 (*.f64 x 0.5))) (cbrt.f64 (-.f64 1.0 (*.f64 x 0.5)))))
  (*.f64 x (sqrt.f64 (-.f64 1.0 (*.f64 x 0.5))))
  x
  (*.f64 (-.f64 1.0 (*.f64 x 0.5)) (cbrt.f64 x))
  (*.f64 (-.f64 1.0 (*.f64 x 0.5)) (sqrt.f64 x))
  (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
  (*.f64 x (-.f64 (pow.f64 1.0 3) (pow.f64 (*.f64 x 0.5) 3)))
  (*.f64 x (-.f64 (*.f64 1.0 1.0) (*.f64 (*.f64 x 0.5) (*.f64 x 0.5))))
  (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
  (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
  (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
0.102 * * * [progress]: adding candidates to table
0.121 * * [progress]: iteration 2 / 4
0.121 * * * [progress]: picking best candidate
0.123 * * * * [pick]: Picked  #<alt (λ (x) (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))>
0.123 * * * [progress]: localizing error
0.129 * * * [progress]: generating rewritten candidates
0.129 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.134 * * * [progress]: generating series expansions
0.134 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.135 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
0.135 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
0.135 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.135 * [taylor]: Taking taylor expansion of 1.0 in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.135 * [taylor]: Taking taylor expansion of 0.5 in x
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
0.135 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.135 * [taylor]: Taking taylor expansion of 1.0 in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.135 * [taylor]: Taking taylor expansion of 0.5 in x
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.137 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
0.137 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
0.137 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of 1.0 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
0.137 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of 1.0 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.141 * [approximate]: Taking taylor expansion of (neg (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
0.141 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
0.141 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
0.141 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.141 * [taylor]: Taking taylor expansion of 0.5 in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.141 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.141 * [taylor]: Taking taylor expansion of 1.0 in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
0.141 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
0.141 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.141 * [taylor]: Taking taylor expansion of 0.5 in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.141 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.141 * [taylor]: Taking taylor expansion of 1.0 in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.144 * * * [progress]: simplifying candidates
0.144 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (exp.f64 (*.f64 x 1.0)) (exp.f64 (*.f64 x (neg.f64 (*.f64 x 0.5)))))
  (log.f64 (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))
  (exp.f64 (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))
  (*.f64 (cbrt.f64 (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5))))) (cbrt.f64 (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5))))))
  (cbrt.f64 (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))
  (*.f64 (*.f64 (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))) (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5))))) (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))
  (sqrt.f64 (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))
  (sqrt.f64 (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))
  (+.f64 (pow.f64 (*.f64 x 1.0) 3) (pow.f64 (*.f64 x (neg.f64 (*.f64 x 0.5))) 3))
  (+.f64 (*.f64 (*.f64 x 1.0) (*.f64 x 1.0)) (-.f64 (*.f64 (*.f64 x (neg.f64 (*.f64 x 0.5))) (*.f64 x (neg.f64 (*.f64 x 0.5)))) (*.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5))))))
  (-.f64 (*.f64 (*.f64 x 1.0) (*.f64 x 1.0)) (*.f64 (*.f64 x (neg.f64 (*.f64 x 0.5))) (*.f64 x (neg.f64 (*.f64 x 0.5)))))
  (-.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5))))
  (+.f64 1.0 (neg.f64 (*.f64 x 0.5)))
  (-.f64 (*.f64 1.0 x) (*.f64 0.5 (pow.f64 x 2)))
  (-.f64 (*.f64 1.0 x) (*.f64 0.5 (pow.f64 x 2)))
  (-.f64 (*.f64 1.0 x) (*.f64 0.5 (pow.f64 x 2)))
0.200 * * [simplify]: iteration  0 :  5363  enodes  (cost  154 )
0.201 * [simplify]: Simplified to:
   (pow.f64 (exp.f64 x) (-.f64 1.0 (*.f64 x 0.5)))
  (log.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (pow.f64 (exp.f64 x) (-.f64 1.0 (*.f64 x 0.5)))
  (*.f64 (cbrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))) (cbrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))))
  (cbrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (pow.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))) 3)
  (sqrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (sqrt.f64 (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))
  (-.f64 (pow.f64 (*.f64 x 1.0) 3) (pow.f64 (*.f64 x (*.f64 x 0.5)) 3))
  (+.f64 (*.f64 (*.f64 0.5 0.5) (pow.f64 x 4)) (*.f64 (*.f64 x (*.f64 x 1.0)) (+.f64 1.0 (*.f64 x 0.5))))
  (*.f64 x (*.f64 (-.f64 (*.f64 1.0 1.0) (*.f64 0.5 (*.f64 x (*.f64 x 0.5)))) x))
  (*.f64 x (+.f64 1.0 (*.f64 x 0.5)))
  (-.f64 1.0 (*.f64 x 0.5))
  (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
  (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
  (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
0.201 * * * [progress]: adding candidates to table
0.217 * [progress]: [Phase 3 of 3] Extracting.
0.217 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))> #<alt (λ (x) (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))>)
0.218 * * * [regime-changes]: Trying 2 branch expressions: ((*.f64 x (-.f64 1.0 (*.f64 x 0.5))) x)
0.218 * * * * [regimes]: Trying to branch on (*.f64 x (-.f64 1.0 (*.f64 x 0.5))) from (#<alt (λ (x) (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))> #<alt (λ (x) (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))>)
0.241 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+.f64 (*.f64 x 1.0) (*.f64 x (neg.f64 (*.f64 x 0.5)))))> #<alt (λ (x) (*.f64 x (-.f64 1.0 (*.f64 x 0.5))))>)
0.263 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.263 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
0.265 * * [simplify]: iteration  0 :  34  enodes  (cost  7 )
0.265 * * [simplify]: iteration  1 :  34  enodes  (cost  7 )
0.265 * [simplify]: Simplified to:
   (*.f64 x (-.f64 1.0 (*.f64 x 0.5)))
0.689 * [regime-testing]: End program error score: 0.011001375171896487