13.601 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 2.0 (+ (* x x) (* x y)))
0.018 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.019 * * [simplify]: iteration  1 :  18  enodes  (cost  7 )
0.022 * * [simplify]: iteration  2 :  34  enodes  (cost  7 )
0.030 * * [simplify]: iteration  3 :  45  enodes  (cost  7 )
0.037 * * [simplify]: iteration  4 :  47  enodes  (cost  7 )
0.043 * * [simplify]: iteration  done :  47  enodes  (cost  7 )
0.043 * [simplify]: Simplified to:
   (* (* x (+ x y)) 2.0)
0.045 * * [progress]: iteration 1 / 4
0.045 * * * [progress]: picking best candidate
0.047 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (+ x y)) 2.0))>
0.047 * * * [progress]: localizing error
0.052 * * * [progress]: generating rewritten candidates
0.052 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.062 * * * [progress]: generating series expansions
0.062 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.062 * [approximate]: Taking taylor expansion of (* x (+ x y)) in (x y) around 0
0.062 * [taylor]: Taking taylor expansion of (* x (+ x y)) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.062 * [taylor]: Taking taylor expansion of (+ x y) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.063 * [taylor]: Taking taylor expansion of y in y
0.063 * [taylor]: Taking taylor expansion of (* x (+ x y)) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (+ x y) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of (* x (+ x y)) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (+ x y) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of 1 in y
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in (x y) around 0
0.068 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in y
0.068 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.068 * [taylor]: Taking taylor expansion of x in y
0.068 * [taylor]: Taking taylor expansion of x in y
0.068 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in x
0.068 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.069 * [taylor]: Taking taylor expansion of x in x
0.069 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in x
0.069 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.069 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.069 * [taylor]: Taking taylor expansion of y in x
0.069 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.069 * [taylor]: Taking taylor expansion of x in x
0.069 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of 1 in y
0.071 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.071 * [taylor]: Taking taylor expansion of y in y
0.073 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in (x y) around 0
0.079 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in y
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in x
0.080 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) x) in x
0.081 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of 1 in y
0.083 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.090 * * * [progress]: simplifying candidates
0.091 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (+ x y))
  (+ (log x) (log (+ x y)))
  (log (* x (+ x y)))
  (exp (* x (+ x y)))
  (* (* (* x x) x) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (* x (+ x y))) (cbrt (* x (+ x y))))
  (cbrt (* x (+ x y)))
  (* (* (* x (+ x y)) (* x (+ x y))) (* x (+ x y)))
  (sqrt (* x (+ x y)))
  (sqrt (* x (+ x y)))
  (* (sqrt x) (sqrt (+ x y)))
  (* (sqrt x) (sqrt (+ x y)))
  (* x x)
  (* x y)
  (* x x)
  (* y x)
  (* x (* (cbrt (+ x y)) (cbrt (+ x y))))
  (* x (sqrt (+ x y)))
  (* x 1)
  (* x 1)
  (* (cbrt x) (+ x y))
  (* (sqrt x) (+ x y))
  (* x (+ x y))
  (* x (+ (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (+ (pow x 2) (* x y))
  (+ (pow x 2) (* x y))
  (+ (pow x 2) (* x y))
0.092 * * [simplify]: iteration  0 :  44  enodes  (cost  194 )
0.107 * * [simplify]: iteration  1 :  122  enodes  (cost  181 )
0.130 * * [simplify]: iteration  2 :  320  enodes  (cost  163 )
0.264 * * [simplify]: iteration  3 :  1003  enodes  (cost  163 )
1.972 * * [simplify]: iteration  4 :  3944  enodes  (cost  163 )
3.344 * * [simplify]: iteration  done :  5000  enodes  (cost  163 )
3.344 * [simplify]: Simplified to:
   (* (+ x y) x)
  (log (* x (+ x y)))
  (log (* x (+ x y)))
  (exp (* x (+ x y)))
  (pow (* x (+ x y)) 3)
  (* (cbrt (* x (+ x y))) (cbrt (* x (+ x y))))
  (cbrt (* x (+ x y)))
  (pow (* x (+ x y)) 3)
  (sqrt (* x (+ x y)))
  (sqrt (* x (+ x y)))
  (* (sqrt x) (sqrt (+ x y)))
  (* (sqrt x) (sqrt (+ x y)))
  (pow x 2)
  (* y x)
  (pow x 2)
  (* y x)
  (* x (* (cbrt (+ x y)) (cbrt (+ x y))))
  (* x (sqrt (+ x y)))
  x
  x
  (* (cbrt x) (+ x y))
  (* (sqrt x) (+ x y))
  (* (+ x y) x)
  (* x (+ (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (* (+ x y) x)
  (* (+ x y) x)
  (* (+ x y) x)
3.344 * * * [progress]: adding candidates to table
3.387 * * [progress]: iteration 2 / 4
3.387 * * * [progress]: picking best candidate
3.388 * * * * [pick]: Picked  #<alt (λ (x y) (* 2.0 (+ (* x x) (* x y))))>
3.388 * * * [progress]: localizing error
3.394 * * * [progress]: generating rewritten candidates
3.394 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
3.397 * * * [progress]: generating series expansions
3.397 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
3.397 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* x y)) in (x y) around 0
3.397 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* x y)) in y
3.397 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.397 * [taylor]: Taking taylor expansion of x in y
3.397 * [taylor]: Taking taylor expansion of (* x y) in y
3.397 * [taylor]: Taking taylor expansion of x in y
3.397 * [taylor]: Taking taylor expansion of y in y
3.397 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* x y)) in x
3.397 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.397 * [taylor]: Taking taylor expansion of x in x
3.397 * [taylor]: Taking taylor expansion of (* x y) in x
3.397 * [taylor]: Taking taylor expansion of x in x
3.397 * [taylor]: Taking taylor expansion of y in x
3.397 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* x y)) in x
3.397 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.397 * [taylor]: Taking taylor expansion of x in x
3.397 * [taylor]: Taking taylor expansion of (* x y) in x
3.397 * [taylor]: Taking taylor expansion of x in x
3.397 * [taylor]: Taking taylor expansion of y in x
3.398 * [taylor]: Taking taylor expansion of 0 in y
3.398 * [taylor]: Taking taylor expansion of y in y
3.399 * [taylor]: Taking taylor expansion of 1 in y
3.401 * [taylor]: Taking taylor expansion of 0 in y
3.403 * [taylor]: Taking taylor expansion of 0 in y
3.403 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
3.403 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in y
3.403 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
3.403 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.403 * [taylor]: Taking taylor expansion of x in y
3.403 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
3.403 * [taylor]: Taking taylor expansion of (* x y) in y
3.403 * [taylor]: Taking taylor expansion of x in y
3.403 * [taylor]: Taking taylor expansion of y in y
3.404 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in x
3.404 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.404 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.404 * [taylor]: Taking taylor expansion of x in x
3.404 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.404 * [taylor]: Taking taylor expansion of (* x y) in x
3.404 * [taylor]: Taking taylor expansion of x in x
3.404 * [taylor]: Taking taylor expansion of y in x
3.405 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in x
3.405 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.405 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.405 * [taylor]: Taking taylor expansion of x in x
3.405 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.405 * [taylor]: Taking taylor expansion of (* x y) in x
3.405 * [taylor]: Taking taylor expansion of x in x
3.405 * [taylor]: Taking taylor expansion of y in x
3.406 * [taylor]: Taking taylor expansion of 1 in y
3.407 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.407 * [taylor]: Taking taylor expansion of y in y
3.409 * [taylor]: Taking taylor expansion of 0 in y
3.411 * [taylor]: Taking taylor expansion of 0 in y
3.414 * [taylor]: Taking taylor expansion of 0 in y
3.415 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
3.415 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in y
3.415 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
3.415 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.415 * [taylor]: Taking taylor expansion of x in y
3.415 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
3.415 * [taylor]: Taking taylor expansion of (* x y) in y
3.415 * [taylor]: Taking taylor expansion of x in y
3.415 * [taylor]: Taking taylor expansion of y in y
3.415 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in x
3.415 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.415 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.415 * [taylor]: Taking taylor expansion of x in x
3.416 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.416 * [taylor]: Taking taylor expansion of (* x y) in x
3.416 * [taylor]: Taking taylor expansion of x in x
3.416 * [taylor]: Taking taylor expansion of y in x
3.416 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (* x y))) in x
3.416 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.416 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.416 * [taylor]: Taking taylor expansion of x in x
3.417 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.417 * [taylor]: Taking taylor expansion of (* x y) in x
3.417 * [taylor]: Taking taylor expansion of x in x
3.417 * [taylor]: Taking taylor expansion of y in x
3.417 * [taylor]: Taking taylor expansion of 1 in y
3.418 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.418 * [taylor]: Taking taylor expansion of y in y
3.420 * [taylor]: Taking taylor expansion of 0 in y
3.423 * [taylor]: Taking taylor expansion of 0 in y
3.426 * [taylor]: Taking taylor expansion of 0 in y
3.426 * * * [progress]: simplifying candidates
3.426 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (* x x)) (exp (* x y)))
  (log (+ (* x x) (* x y)))
  (exp (+ (* x x) (* x y)))
  (* (cbrt (+ (* x x) (* x y))) (cbrt (+ (* x x) (* x y))))
  (cbrt (+ (* x x) (* x y)))
  (* (* (+ (* x x) (* x y)) (+ (* x x) (* x y))) (+ (* x x) (* x y)))
  (sqrt (+ (* x x) (* x y)))
  (sqrt (+ (* x x) (* x y)))
  (+ (pow (* x x) 3) (pow (* x y) 3))
  (+ (* (* x x) (* x x)) (- (* (* x y) (* x y)) (* (* x x) (* x y))))
  (- (* (* x x) (* x x)) (* (* x y) (* x y)))
  (- (* x x) (* x y))
  (+ x y)
  (+ (pow x 2) (* x y))
  (+ (pow x 2) (* x y))
  (+ (pow x 2) (* x y))
3.428 * * [simplify]: iteration  0 :  30  enodes  (cost  169 )
3.434 * * [simplify]: iteration  1 :  99  enodes  (cost  130 )
3.476 * * [simplify]: iteration  2 :  349  enodes  (cost  112 )
3.587 * * [simplify]: iteration  3 :  933  enodes  (cost  112 )
4.023 * * [simplify]: iteration  4 :  2088  enodes  (cost  112 )
5.099 * * [simplify]: iteration  done :  5000  enodes  (cost  112 )
5.099 * [simplify]: Simplified to:
   (exp (* x (+ x y)))
  (log (* x (+ x y)))
  (exp (* x (+ x y)))
  (* (cbrt (* x (+ x y))) (cbrt (* x (+ x y))))
  (cbrt (* x (+ x y)))
  (pow (* x (+ x y)) 3)
  (sqrt (* x (+ x y)))
  (sqrt (* x (+ x y)))
  (+ (pow x 6) (pow (* x y) 3))
  (+ (* (* x (- y x)) (* x y)) (pow x 4))
  (* (* x (+ x y)) (* x (- x y)))
  (* x (- x y))
  (+ x y)
  (* x (+ x y))
  (* x (+ x y))
  (* x (+ x y))
5.099 * * * [progress]: adding candidates to table
5.125 * [progress]: [Phase 3 of 3] Extracting.
5.125 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (* x (+ x y)) 2.0))> #<alt (λ (x y) (* 2.0 (+ (* x x) (* x y))))>)
5.125 * * * [regime-changes]: Trying 4 branch expressions: ((+ (* x x) (* x y)) (* 2.0 (+ (* x x) (* x y))) y x)
5.125 * * * * [regimes]: Trying to branch on (+ (* x x) (* x y)) from (#<alt (λ (x y) (* (* x (+ x y)) 2.0))> #<alt (λ (x y) (* 2.0 (+ (* x x) (* x y))))>)
5.139 * * * * [regimes]: Trying to branch on (* 2.0 (+ (* x x) (* x y))) from (#<alt (λ (x y) (* (* x (+ x y)) 2.0))> #<alt (λ (x y) (* 2.0 (+ (* x x) (* x y))))>)
5.150 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (* x (+ x y)) 2.0))> #<alt (λ (x y) (* 2.0 (+ (* x x) (* x y))))>)
5.160 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (* x (+ x y)) 2.0))> #<alt (λ (x y) (* 2.0 (+ (* x x) (* x y))))>)
5.173 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
5.173 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (* x (+ x y)) 2.0)
5.174 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
5.174 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
5.174 * * [simplify]: iteration  done :  9  enodes  (cost  7 )
5.174 * [simplify]: Simplified to:
   (* (* x (+ x y)) 2.0)
5.642 * [regime-testing]: Baseline error score: 0.015876984623077885
5.643 * [regime-testing]: Oracle error score: 0.010376297037129641
5.644 * [regime-testing]: End program error score: 0.015876984623077885
5.660 * [regime-testing]: Target error score: 0.008126015751968996