15.319 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.010 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.012 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (+ y 1.0))
0.013 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
0.014 * * [simplify]: iteration  1 :  13  enodes  (cost  5 )
0.015 * * [simplify]: iteration  2 :  14  enodes  (cost  5 )
0.017 * * [simplify]: iteration  done :  14  enodes  (cost  5 )
0.017 * [simplify]: Simplified to:
   (* x (+ y 1.0))
0.017 * * [progress]: iteration 1 / 4
0.017 * * * [progress]: picking best candidate
0.018 * * * * [pick]: Picked  #<alt (λ (x y) (* x (+ y 1.0)))>
0.019 * * * [progress]: localizing error
0.022 * * * [progress]: generating rewritten candidates
0.022 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.033 * * * [progress]: generating series expansions
0.033 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.033 * [approximate]: Taking taylor expansion of (* x (+ y 1.0)) in (x y) around 0
0.033 * [taylor]: Taking taylor expansion of (* x (+ y 1.0)) in y
0.033 * [taylor]: Taking taylor expansion of x in y
0.033 * [taylor]: Taking taylor expansion of (+ y 1.0) in y
0.033 * [taylor]: Taking taylor expansion of y in y
0.033 * [taylor]: Taking taylor expansion of 1.0 in y
0.033 * [taylor]: Taking taylor expansion of (* x (+ y 1.0)) in x
0.033 * [taylor]: Taking taylor expansion of x in x
0.033 * [taylor]: Taking taylor expansion of (+ y 1.0) in x
0.033 * [taylor]: Taking taylor expansion of y in x
0.033 * [taylor]: Taking taylor expansion of 1.0 in x
0.033 * [taylor]: Taking taylor expansion of (* x (+ y 1.0)) in x
0.033 * [taylor]: Taking taylor expansion of x in x
0.033 * [taylor]: Taking taylor expansion of (+ y 1.0) in x
0.033 * [taylor]: Taking taylor expansion of y in x
0.033 * [taylor]: Taking taylor expansion of 1.0 in x
0.033 * [taylor]: Taking taylor expansion of 0 in y
0.034 * [taylor]: Taking taylor expansion of (+ y 1.0) in y
0.034 * [taylor]: Taking taylor expansion of y in y
0.034 * [taylor]: Taking taylor expansion of 1.0 in y
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.037 * [taylor]: Taking taylor expansion of 0 in y
0.038 * [taylor]: Taking taylor expansion of 0 in y
0.039 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in (x y) around 0
0.039 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in y
0.039 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.039 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.039 * [taylor]: Taking taylor expansion of y in y
0.039 * [taylor]: Taking taylor expansion of 1.0 in y
0.039 * [taylor]: Taking taylor expansion of x in y
0.039 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x
0.039 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.039 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.039 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of 1.0 in x
0.039 * [taylor]: Taking taylor expansion of x in x
0.039 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x
0.039 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.040 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.040 * [taylor]: Taking taylor expansion of 1.0 in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.040 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of 1.0 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.043 * [taylor]: Taking taylor expansion of 0 in y
0.045 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [approximate]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 y)) x)) in (x y) around 0
0.048 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 y)) x)) in y
0.048 * [taylor]: Taking taylor expansion of -1 in y
0.048 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 y)) x) in y
0.048 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
0.048 * [taylor]: Taking taylor expansion of 1.0 in y
0.048 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of x in y
0.049 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 y)) x)) in x
0.049 * [taylor]: Taking taylor expansion of -1 in x
0.049 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 y)) x) in x
0.049 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
0.049 * [taylor]: Taking taylor expansion of 1.0 in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 y)) x)) in x
0.050 * [taylor]: Taking taylor expansion of -1 in x
0.050 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 y)) x) in x
0.050 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
0.050 * [taylor]: Taking taylor expansion of 1.0 in x
0.050 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.050 * [taylor]: Taking taylor expansion of y in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of (* -1 (- 1.0 (/ 1 y))) in y
0.050 * [taylor]: Taking taylor expansion of -1 in y
0.050 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
0.050 * [taylor]: Taking taylor expansion of 1.0 in y
0.050 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [taylor]: Taking taylor expansion of 0 in y
0.060 * [taylor]: Taking taylor expansion of 0 in y
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.065 * * * [progress]: simplifying candidates
0.066 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (+ y 1.0))
  (+ (log x) (log (+ y 1.0)))
  (log (* x (+ y 1.0)))
  (exp (* x (+ y 1.0)))
  (* (* (* x x) x) (* (* (+ y 1.0) (+ y 1.0)) (+ y 1.0)))
  (* (cbrt (* x (+ y 1.0))) (cbrt (* x (+ y 1.0))))
  (cbrt (* x (+ y 1.0)))
  (* (* (* x (+ y 1.0)) (* x (+ y 1.0))) (* x (+ y 1.0)))
  (sqrt (* x (+ y 1.0)))
  (sqrt (* x (+ y 1.0)))
  (* (sqrt x) (sqrt (+ y 1.0)))
  (* (sqrt x) (sqrt (+ y 1.0)))
  (* x y)
  (* x 1.0)
  (* y x)
  (* 1.0 x)
  (* x (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (* x (sqrt (+ y 1.0)))
  (* x 1)
  (* x 1)
  (* (cbrt x) (+ y 1.0))
  (* (sqrt x) (+ y 1.0))
  (* x (+ y 1.0))
  (* x (+ (pow y 3) (pow 1.0 3)))
  (* x (- (* y y) (* 1.0 1.0)))
  (+ (* 1.0 x) (* x y))
  (+ (* 1.0 x) (* x y))
  (+ (* 1.0 x) (* x y))
0.067 * * [simplify]: iteration  0 :  46  enodes  (cost  194 )
0.079 * * [simplify]: iteration  1 :  127  enodes  (cost  183 )
0.103 * * [simplify]: iteration  2 :  445  enodes  (cost  163 )
0.237 * * [simplify]: iteration  3 :  1372  enodes  (cost  163 )
1.061 * * [simplify]: iteration  4 :  3800  enodes  (cost  163 )
3.646 * * [simplify]: iteration  done :  5000  enodes  (cost  163 )
3.646 * [simplify]: Simplified to:
   (* (+ y 1.0) x)
  (log (* x (+ y 1.0)))
  (log (* x (+ y 1.0)))
  (exp (* x (+ y 1.0)))
  (pow (* (+ y 1.0) x) 3)
  (* (cbrt (* x (+ y 1.0))) (cbrt (* x (+ y 1.0))))
  (cbrt (* x (+ y 1.0)))
  (pow (* (+ y 1.0) x) 3)
  (sqrt (* x (+ y 1.0)))
  (sqrt (* x (+ y 1.0)))
  (* (sqrt x) (sqrt (+ y 1.0)))
  (* (sqrt x) (sqrt (+ y 1.0)))
  (* x y)
  (* 1.0 x)
  (* x y)
  (* 1.0 x)
  (* x (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (* x (sqrt (+ y 1.0)))
  x
  x
  (* (cbrt x) (+ y 1.0))
  (* (sqrt x) (+ y 1.0))
  (* (+ y 1.0) x)
  (* x (+ (pow y 3) (pow 1.0 3)))
  (* x (- (* y y) (* 1.0 1.0)))
  (* (+ y 1.0) x)
  (* (+ y 1.0) x)
  (* (+ y 1.0) x)
3.646 * * * [progress]: adding candidates to table
3.686 * * [progress]: iteration 2 / 4
3.686 * * * [progress]: picking best candidate
3.687 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* x y) (* 1.0 x)))>
3.687 * * * [progress]: localizing error
3.692 * * * [progress]: generating rewritten candidates
3.692 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.694 * * * [progress]: generating series expansions
3.695 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.695 * [approximate]: Taking taylor expansion of (+ (* 1.0 x) (* x y)) in (x y) around 0
3.695 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* x y)) in y
3.695 * [taylor]: Taking taylor expansion of (* 1.0 x) in y
3.695 * [taylor]: Taking taylor expansion of 1.0 in y
3.695 * [taylor]: Taking taylor expansion of x in y
3.695 * [taylor]: Taking taylor expansion of (* x y) in y
3.695 * [taylor]: Taking taylor expansion of x in y
3.695 * [taylor]: Taking taylor expansion of y in y
3.695 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* x y)) in x
3.695 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.695 * [taylor]: Taking taylor expansion of 1.0 in x
3.695 * [taylor]: Taking taylor expansion of x in x
3.695 * [taylor]: Taking taylor expansion of (* x y) in x
3.695 * [taylor]: Taking taylor expansion of x in x
3.695 * [taylor]: Taking taylor expansion of y in x
3.695 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* x y)) in x
3.695 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.695 * [taylor]: Taking taylor expansion of 1.0 in x
3.695 * [taylor]: Taking taylor expansion of x in x
3.695 * [taylor]: Taking taylor expansion of (* x y) in x
3.695 * [taylor]: Taking taylor expansion of x in x
3.695 * [taylor]: Taking taylor expansion of y in x
3.696 * [taylor]: Taking taylor expansion of 0 in y
3.697 * [taylor]: Taking taylor expansion of (+ y 1.0) in y
3.697 * [taylor]: Taking taylor expansion of y in y
3.697 * [taylor]: Taking taylor expansion of 1.0 in y
3.699 * [taylor]: Taking taylor expansion of 0 in y
3.701 * [taylor]: Taking taylor expansion of 0 in y
3.703 * [taylor]: Taking taylor expansion of 0 in y
3.703 * [approximate]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in (x y) around 0
3.703 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in y
3.703 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
3.703 * [taylor]: Taking taylor expansion of 1.0 in y
3.703 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.703 * [taylor]: Taking taylor expansion of x in y
3.703 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
3.703 * [taylor]: Taking taylor expansion of (* x y) in y
3.703 * [taylor]: Taking taylor expansion of x in y
3.703 * [taylor]: Taking taylor expansion of y in y
3.703 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in x
3.704 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.704 * [taylor]: Taking taylor expansion of 1.0 in x
3.704 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.704 * [taylor]: Taking taylor expansion of x in x
3.704 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.704 * [taylor]: Taking taylor expansion of (* x y) in x
3.704 * [taylor]: Taking taylor expansion of x in x
3.704 * [taylor]: Taking taylor expansion of y in x
3.704 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in x
3.704 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.704 * [taylor]: Taking taylor expansion of 1.0 in x
3.704 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.704 * [taylor]: Taking taylor expansion of x in x
3.705 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.705 * [taylor]: Taking taylor expansion of (* x y) in x
3.705 * [taylor]: Taking taylor expansion of x in x
3.705 * [taylor]: Taking taylor expansion of y in x
3.705 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
3.705 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.705 * [taylor]: Taking taylor expansion of y in y
3.706 * [taylor]: Taking taylor expansion of 1.0 in y
3.707 * [taylor]: Taking taylor expansion of 0 in y
3.710 * [taylor]: Taking taylor expansion of 0 in y
3.713 * [taylor]: Taking taylor expansion of 0 in y
3.716 * [taylor]: Taking taylor expansion of 0 in y
3.717 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in (x y) around 0
3.717 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in y
3.717 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
3.717 * [taylor]: Taking taylor expansion of (* x y) in y
3.717 * [taylor]: Taking taylor expansion of x in y
3.717 * [taylor]: Taking taylor expansion of y in y
3.717 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
3.717 * [taylor]: Taking taylor expansion of 1.0 in y
3.717 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.717 * [taylor]: Taking taylor expansion of x in y
3.717 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in x
3.717 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.717 * [taylor]: Taking taylor expansion of (* x y) in x
3.717 * [taylor]: Taking taylor expansion of x in x
3.717 * [taylor]: Taking taylor expansion of y in x
3.718 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.718 * [taylor]: Taking taylor expansion of 1.0 in x
3.718 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.718 * [taylor]: Taking taylor expansion of x in x
3.718 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in x
3.718 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
3.718 * [taylor]: Taking taylor expansion of (* x y) in x
3.718 * [taylor]: Taking taylor expansion of x in x
3.718 * [taylor]: Taking taylor expansion of y in x
3.718 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.719 * [taylor]: Taking taylor expansion of 1.0 in x
3.719 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.719 * [taylor]: Taking taylor expansion of x in x
3.720 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
3.720 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.720 * [taylor]: Taking taylor expansion of y in y
3.720 * [taylor]: Taking taylor expansion of 1.0 in y
3.722 * [taylor]: Taking taylor expansion of 0 in y
3.725 * [taylor]: Taking taylor expansion of 0 in y
3.729 * [taylor]: Taking taylor expansion of 0 in y
3.733 * [taylor]: Taking taylor expansion of 0 in y
3.733 * * * [progress]: simplifying candidates
3.734 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (* x y)) (exp (* 1.0 x)))
  (log (+ (* x y) (* 1.0 x)))
  (exp (+ (* x y) (* 1.0 x)))
  (* (cbrt (+ (* x y) (* 1.0 x))) (cbrt (+ (* x y) (* 1.0 x))))
  (cbrt (+ (* x y) (* 1.0 x)))
  (* (* (+ (* x y) (* 1.0 x)) (+ (* x y) (* 1.0 x))) (+ (* x y) (* 1.0 x)))
  (sqrt (+ (* x y) (* 1.0 x)))
  (sqrt (+ (* x y) (* 1.0 x)))
  (+ (pow (* x y) 3) (pow (* 1.0 x) 3))
  (+ (* (* x y) (* x y)) (- (* (* 1.0 x) (* 1.0 x)) (* (* x y) (* 1.0 x))))
  (- (* (* x y) (* x y)) (* (* 1.0 x) (* 1.0 x)))
  (- (* x y) (* 1.0 x))
  (+ (* 1.0 x) (* x y))
  (+ (* 1.0 x) (* x y))
  (+ (* 1.0 x) (* x y))
3.735 * * [simplify]: iteration  0 :  28  enodes  (cost  166 )
3.740 * * [simplify]: iteration  1 :  95  enodes  (cost  161 )
3.759 * * [simplify]: iteration  2 :  305  enodes  (cost  115 )
3.831 * * [simplify]: iteration  3 :  933  enodes  (cost  113 )
4.131 * * [simplify]: iteration  4 :  2369  enodes  (cost  111 )
5.162 * * [simplify]: iteration  done :  5001  enodes  (cost  111 )
5.163 * [simplify]: Simplified to:
   (exp (* x (+ 1.0 y)))
  (log (* x (+ 1.0 y)))
  (exp (* x (+ 1.0 y)))
  (* (cbrt (* x (+ 1.0 y))) (cbrt (* x (+ 1.0 y))))
  (cbrt (* x (+ 1.0 y)))
  (pow (* x (+ 1.0 y)) 3)
  (sqrt (* x (+ 1.0 y)))
  (sqrt (* x (+ 1.0 y)))
  (+ (pow (* x y) 3) (pow (* 1.0 x) 3))
  (* (* x (+ (* 1.0 (- 1.0 y)) (* y y))) x)
  (* (* x (+ 1.0 y)) (* x (- y 1.0)))
  (* x (- y 1.0))
  (* x (+ 1.0 y))
  (* x (+ 1.0 y))
  (* x (+ 1.0 y))
5.163 * * * [progress]: adding candidates to table
5.193 * [progress]: [Phase 3 of 3] Extracting.
5.193 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (* x y) (* 1.0 x)))> #<alt (λ (x y) (* x (+ y 1.0)))>)
5.193 * * * [regime-changes]: Trying 4 branch expressions: ((+ y 1.0) (* x (+ y 1.0)) y x)
5.193 * * * * [regimes]: Trying to branch on (+ y 1.0) from (#<alt (λ (x y) (+ (* x y) (* 1.0 x)))> #<alt (λ (x y) (* x (+ y 1.0)))>)
5.203 * * * * [regimes]: Trying to branch on (* x (+ y 1.0)) from (#<alt (λ (x y) (+ (* x y) (* 1.0 x)))> #<alt (λ (x y) (* x (+ y 1.0)))>)
5.214 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (* x y) (* 1.0 x)))> #<alt (λ (x y) (* x (+ y 1.0)))>)
5.227 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (* x y) (* 1.0 x)))> #<alt (λ (x y) (* x (+ y 1.0)))>)
5.237 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
5.237 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* x y) (* 1.0 x))
5.238 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
5.238 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
5.238 * * [simplify]: iteration  done :  9  enodes  (cost  7 )
5.238 * [simplify]: Simplified to:
   (+ (* x y) (* 1.0 x))
5.583 * [regime-testing]: Baseline error score: 0.010147509063813266
5.584 * [regime-testing]: Oracle error score: 0.00037504688086010754
5.585 * [regime-testing]: End program error score: 0.010147509063813266
5.600 * [regime-testing]: Target error score: 0.010147509063813266