4.234 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying:
  (- (- 1.0 x) y)
0.025 * * [simplify]: iteration 0: 5 enodes
0.026 * * [simplify]: iteration 1: 11 enodes
0.029 * * [simplify]: iteration 2: 22 enodes
0.035 * * [simplify]: iteration 3: 38 enodes
0.045 * * [simplify]: iteration 4: 82 enodes
0.072 * * [simplify]: iteration 5: 194 enodes
0.183 * * [simplify]: iteration 6: 415 enodes
0.452 * * [simplify]: iteration 7: 1460 enodes
2.563 * * [simplify]: iteration complete: 5000 enodes
2.563 * * [simplify]: Extracting #0: cost 1 inf + 0
2.567 * * [simplify]: Extracting #1: cost 1302 inf + 0
2.578 * * [simplify]: Extracting #2: cost 1089 inf + 37645
2.619 * * [simplify]: Extracting #3: cost 43 inf + 102869
2.649 * * [simplify]: Extracting #4: cost 0 inf + 106835
2.704 * [simplify]: Simplified to:
  (- 1.0 (+ y x))
2.706 * * [progress]: iteration 1 / 4
2.706 * * * [progress]: picking best candidate
2.714 * * * * [pick]: Picked  #<alt (λ (x y) (- (- 1.0 x) y))>
2.714 * * * [progress]: localizing error
2.724 * * * [progress]: generating rewritten candidates
2.724 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.770 * * * [progress]: generating series expansions
2.770 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.770 * [backup-simplify]: Simplify (- (- 1.0 x) y) into (- 1.0 (+ x y))
2.770 * [approximate]: Taking taylor expansion of (- 1.0 (+ x y)) in (x y) around 0
2.770 * [taylor]: Taking taylor expansion of (- 1.0 (+ x y)) in y
2.770 * [taylor]: Taking taylor expansion of 1.0 in y
2.770 * [backup-simplify]: Simplify 1.0 into 1.0
2.770 * [taylor]: Taking taylor expansion of (+ x y) in y
2.770 * [taylor]: Taking taylor expansion of x in y
2.770 * [backup-simplify]: Simplify x into x
2.770 * [taylor]: Taking taylor expansion of y in y
2.770 * [backup-simplify]: Simplify 0 into 0
2.770 * [backup-simplify]: Simplify 1 into 1
2.770 * [taylor]: Taking taylor expansion of (- 1.0 (+ x y)) in x
2.770 * [taylor]: Taking taylor expansion of 1.0 in x
2.770 * [backup-simplify]: Simplify 1.0 into 1.0
2.770 * [taylor]: Taking taylor expansion of (+ x y) in x
2.770 * [taylor]: Taking taylor expansion of x in x
2.770 * [backup-simplify]: Simplify 0 into 0
2.770 * [backup-simplify]: Simplify 1 into 1
2.770 * [taylor]: Taking taylor expansion of y in x
2.770 * [backup-simplify]: Simplify y into y
2.770 * [taylor]: Taking taylor expansion of (- 1.0 (+ x y)) in x
2.770 * [taylor]: Taking taylor expansion of 1.0 in x
2.770 * [backup-simplify]: Simplify 1.0 into 1.0
2.770 * [taylor]: Taking taylor expansion of (+ x y) in x
2.770 * [taylor]: Taking taylor expansion of x in x
2.770 * [backup-simplify]: Simplify 0 into 0
2.770 * [backup-simplify]: Simplify 1 into 1
2.770 * [taylor]: Taking taylor expansion of y in x
2.770 * [backup-simplify]: Simplify y into y
2.770 * [backup-simplify]: Simplify (+ 0 y) into y
2.770 * [backup-simplify]: Simplify (- y) into (- y)
2.770 * [backup-simplify]: Simplify (+ 1.0 (- y)) into (- 1.0 y)
2.770 * [taylor]: Taking taylor expansion of (- 1.0 y) in y
2.770 * [taylor]: Taking taylor expansion of 1.0 in y
2.770 * [backup-simplify]: Simplify 1.0 into 1.0
2.770 * [taylor]: Taking taylor expansion of y in y
2.770 * [backup-simplify]: Simplify 0 into 0
2.770 * [backup-simplify]: Simplify 1 into 1
2.771 * [backup-simplify]: Simplify (- 0) into 0
2.771 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.771 * [backup-simplify]: Simplify 1.0 into 1.0
2.772 * [backup-simplify]: Simplify (+ 1 0) into 1
2.772 * [backup-simplify]: Simplify (- 1) into -1
2.772 * [backup-simplify]: Simplify (+ 0 -1) into -1
2.772 * [taylor]: Taking taylor expansion of -1 in y
2.772 * [backup-simplify]: Simplify -1 into -1
2.772 * [backup-simplify]: Simplify -1 into -1
2.772 * [backup-simplify]: Simplify (- 1) into -1
2.773 * [backup-simplify]: Simplify (+ 0 -1) into -1
2.773 * [backup-simplify]: Simplify -1 into -1
2.773 * [backup-simplify]: Simplify (+ (* -1 (* y 1)) (+ (* -1 (* 1 x)) 1.0)) into (- 1.0 (+ x y))
2.773 * [backup-simplify]: Simplify (- (- 1.0 (/ 1 x)) (/ 1 y)) into (- 1.0 (+ (/ 1 x) (/ 1 y)))
2.773 * [approximate]: Taking taylor expansion of (- 1.0 (+ (/ 1 x) (/ 1 y))) in (x y) around 0
2.773 * [taylor]: Taking taylor expansion of (- 1.0 (+ (/ 1 x) (/ 1 y))) in y
2.773 * [taylor]: Taking taylor expansion of 1.0 in y
2.773 * [backup-simplify]: Simplify 1.0 into 1.0
2.773 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
2.773 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.773 * [taylor]: Taking taylor expansion of x in y
2.773 * [backup-simplify]: Simplify x into x
2.773 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
2.773 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.773 * [taylor]: Taking taylor expansion of y in y
2.773 * [backup-simplify]: Simplify 0 into 0
2.773 * [backup-simplify]: Simplify 1 into 1
2.774 * [backup-simplify]: Simplify (/ 1 1) into 1
2.774 * [taylor]: Taking taylor expansion of (- 1.0 (+ (/ 1 x) (/ 1 y))) in x
2.774 * [taylor]: Taking taylor expansion of 1.0 in x
2.774 * [backup-simplify]: Simplify 1.0 into 1.0
2.774 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
2.774 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.774 * [taylor]: Taking taylor expansion of x in x
2.774 * [backup-simplify]: Simplify 0 into 0
2.774 * [backup-simplify]: Simplify 1 into 1
2.774 * [backup-simplify]: Simplify (/ 1 1) into 1
2.774 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.774 * [taylor]: Taking taylor expansion of y in x
2.774 * [backup-simplify]: Simplify y into y
2.774 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.774 * [taylor]: Taking taylor expansion of (- 1.0 (+ (/ 1 x) (/ 1 y))) in x
2.774 * [taylor]: Taking taylor expansion of 1.0 in x
2.774 * [backup-simplify]: Simplify 1.0 into 1.0
2.774 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
2.774 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.774 * [taylor]: Taking taylor expansion of x in x
2.774 * [backup-simplify]: Simplify 0 into 0
2.774 * [backup-simplify]: Simplify 1 into 1
2.775 * [backup-simplify]: Simplify (/ 1 1) into 1
2.775 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.775 * [taylor]: Taking taylor expansion of y in x
2.775 * [backup-simplify]: Simplify y into y
2.775 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.775 * [backup-simplify]: Simplify (+ 1 0) into 1
2.775 * [backup-simplify]: Simplify (- 1) into -1
2.776 * [backup-simplify]: Simplify (+ 0 -1) into -1
2.776 * [taylor]: Taking taylor expansion of -1 in y
2.776 * [backup-simplify]: Simplify -1 into -1
2.776 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.776 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
2.776 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
2.776 * [backup-simplify]: Simplify (+ 1.0 (- (/ 1 y))) into (- 1.0 (/ 1 y))
2.776 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
2.776 * [taylor]: Taking taylor expansion of 1.0 in y
2.776 * [backup-simplify]: Simplify 1.0 into 1.0
2.776 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.777 * [taylor]: Taking taylor expansion of y in y
2.777 * [backup-simplify]: Simplify 0 into 0
2.777 * [backup-simplify]: Simplify 1 into 1
2.777 * [backup-simplify]: Simplify (/ 1 1) into 1
2.777 * [backup-simplify]: Simplify (- 1) into -1
2.777 * [backup-simplify]: Simplify (+ 0 -1) into -1
2.777 * [backup-simplify]: Simplify -1 into -1
2.777 * [backup-simplify]: Simplify -1 into -1
2.778 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.778 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
2.778 * [backup-simplify]: Simplify (+ 0 0) into 0
2.779 * [backup-simplify]: Simplify (- 0) into 0
2.779 * [backup-simplify]: Simplify (+ 0 0) into 0
2.779 * [taylor]: Taking taylor expansion of 0 in y
2.779 * [backup-simplify]: Simplify 0 into 0
2.779 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.780 * [backup-simplify]: Simplify (- 0) into 0
2.780 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.780 * [backup-simplify]: Simplify 1.0 into 1.0
2.780 * [backup-simplify]: Simplify (+ 1.0 (+ (* -1 (* 1 (/ 1 (/ 1 x)))) (* -1 (* (/ 1 (/ 1 y)) 1)))) into (- 1.0 (+ x y))
2.780 * [backup-simplify]: Simplify (- (- 1.0 (/ 1 (- x))) (/ 1 (- y))) into (+ (/ 1 y) (+ (/ 1 x) 1.0))
2.780 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (+ (/ 1 x) 1.0)) in (x y) around 0
2.780 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (+ (/ 1 x) 1.0)) in y
2.780 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.780 * [taylor]: Taking taylor expansion of y in y
2.780 * [backup-simplify]: Simplify 0 into 0
2.780 * [backup-simplify]: Simplify 1 into 1
2.781 * [backup-simplify]: Simplify (/ 1 1) into 1
2.781 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in y
2.781 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.781 * [taylor]: Taking taylor expansion of x in y
2.781 * [backup-simplify]: Simplify x into x
2.781 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
2.781 * [taylor]: Taking taylor expansion of 1.0 in y
2.781 * [backup-simplify]: Simplify 1.0 into 1.0
2.781 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (+ (/ 1 x) 1.0)) in x
2.781 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.781 * [taylor]: Taking taylor expansion of y in x
2.781 * [backup-simplify]: Simplify y into y
2.781 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.781 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
2.781 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.781 * [taylor]: Taking taylor expansion of x in x
2.781 * [backup-simplify]: Simplify 0 into 0
2.781 * [backup-simplify]: Simplify 1 into 1
2.781 * [backup-simplify]: Simplify (/ 1 1) into 1
2.781 * [taylor]: Taking taylor expansion of 1.0 in x
2.781 * [backup-simplify]: Simplify 1.0 into 1.0
2.781 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (+ (/ 1 x) 1.0)) in x
2.781 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.781 * [taylor]: Taking taylor expansion of y in x
2.781 * [backup-simplify]: Simplify y into y
2.781 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.781 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
2.782 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.782 * [taylor]: Taking taylor expansion of x in x
2.782 * [backup-simplify]: Simplify 0 into 0
2.782 * [backup-simplify]: Simplify 1 into 1
2.782 * [backup-simplify]: Simplify (/ 1 1) into 1
2.782 * [taylor]: Taking taylor expansion of 1.0 in x
2.782 * [backup-simplify]: Simplify 1.0 into 1.0
2.782 * [backup-simplify]: Simplify (+ 1 0) into 1
2.783 * [backup-simplify]: Simplify (+ 0 1) into 1
2.783 * [taylor]: Taking taylor expansion of 1 in y
2.783 * [backup-simplify]: Simplify 1 into 1
2.783 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.783 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
2.783 * [backup-simplify]: Simplify (+ (/ 1 y) 1.0) into (+ 1.0 (/ 1 y))
2.783 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 y)) in y
2.783 * [taylor]: Taking taylor expansion of 1.0 in y
2.783 * [backup-simplify]: Simplify 1.0 into 1.0
2.783 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.783 * [taylor]: Taking taylor expansion of y in y
2.784 * [backup-simplify]: Simplify 0 into 0
2.784 * [backup-simplify]: Simplify 1 into 1
2.784 * [backup-simplify]: Simplify (/ 1 1) into 1
2.784 * [backup-simplify]: Simplify (+ 0 1) into 1
2.784 * [backup-simplify]: Simplify 1 into 1
2.784 * [backup-simplify]: Simplify 1 into 1
2.784 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
2.785 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.785 * [backup-simplify]: Simplify (+ 0 0) into 0
2.785 * [backup-simplify]: Simplify (+ 0 0) into 0
2.785 * [taylor]: Taking taylor expansion of 0 in y
2.785 * [backup-simplify]: Simplify 0 into 0
2.786 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.786 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.786 * [backup-simplify]: Simplify 1.0 into 1.0
2.786 * [backup-simplify]: Simplify (+ 1.0 (+ (* 1 (* 1 (/ 1 (/ 1 (- x))))) (* 1 (* (/ 1 (/ 1 (- y))) 1)))) into (- 1.0 (+ x y))
2.786 * * * [progress]: simplifying candidates
2.787 * [simplify]: Simplifying:
  (/ (/ (exp 1.0) (exp x)) (exp y))
  (/ (exp (- 1.0 x)) (exp y))
  (log (- (- 1.0 x) y))
  (exp (- (- 1.0 x) y))
  (* (cbrt (- (- 1.0 x) y)) (cbrt (- (- 1.0 x) y)))
  (cbrt (- (- 1.0 x) y))
  (* (* (- (- 1.0 x) y) (- (- 1.0 x) y)) (- (- 1.0 x) y))
  (sqrt (- (- 1.0 x) y))
  (sqrt (- (- 1.0 x) y))
  (- (pow (- 1.0 x) 3) (pow y 3))
  (+ (* (- 1.0 x) (- 1.0 x)) (+ (* y y) (* (- 1.0 x) y)))
  (- y)
  (- (* (- 1.0 x) (- 1.0 x)) (* y y))
  (+ (- 1.0 x) y)
  (+ (sqrt (- 1.0 x)) (sqrt y))
  (- (sqrt (- 1.0 x)) (sqrt y))
  (- (- 1.0 x) y)
  (- (- 1.0 x) y)
  (- (- x) y)
  (- (- x) y)
  (+ x y)
  (- y)
  (- 1.0 (+ x y))
  (- 1.0 (+ x y))
  (- 1.0 (+ x y))
2.787 * * [simplify]: iteration 0: 39 enodes
2.795 * * [simplify]: iteration 1: 79 enodes
2.821 * * [simplify]: iteration 2: 220 enodes
2.897 * * [simplify]: iteration 3: 913 enodes
3.398 * * [simplify]: iteration complete: 5001 enodes
3.398 * * [simplify]: Extracting #0: cost 16 inf + 0
3.399 * * [simplify]: Extracting #1: cost 385 inf + 0
3.405 * * [simplify]: Extracting #2: cost 1686 inf + 1399
3.425 * * [simplify]: Extracting #3: cost 1362 inf + 82531
3.526 * * [simplify]: Extracting #4: cost 360 inf + 300675
3.664 * * [simplify]: Extracting #5: cost 58 inf + 368155
3.788 * * [simplify]: Extracting #6: cost 13 inf + 374906
3.908 * * [simplify]: Extracting #7: cost 0 inf + 379111
4.041 * [simplify]: Simplified to:
  (exp (- (- 1.0 x) y))
  (exp (- (- 1.0 x) y))
  (log (- (- 1.0 x) y))
  (exp (- (- 1.0 x) y))
  (* (cbrt (- (- 1.0 x) y)) (cbrt (- (- 1.0 x) y)))
  (cbrt (- (- 1.0 x) y))
  (* (- (- 1.0 x) y) (* (- (- 1.0 x) y) (- (- 1.0 x) y)))
  (sqrt (- (- 1.0 x) y))
  (sqrt (- (- 1.0 x) y))
  (- (* (- 1.0 x) (* (- 1.0 x) (- 1.0 x))) (* y (* y y)))
  (+ (* y y) (* (- 1.0 x) (+ y (- 1.0 x))))
  (- y)
  (- (* (- 1.0 x) (- 1.0 x)) (* y y))
  (- (+ y 1.0) x)
  (+ (sqrt y) (sqrt (- 1.0 x)))
  (- (sqrt (- 1.0 x)) (sqrt y))
  (- (- 1.0 x) y)
  (- (- 1.0 x) y)
  (- (+ y x))
  (- (+ y x))
  (+ y x)
  (- y)
  (- (- 1.0 x) y)
  (- (- 1.0 x) y)
  (- (- 1.0 x) y)
4.042 * * * [progress]: adding candidates to table
4.102 * * [progress]: iteration 2 / 4
4.102 * * * [progress]: picking best candidate
4.106 * * * * [pick]: Picked  #<alt (λ (x y) (- 1.0 (+ x y)))>
4.106 * * * [progress]: localizing error
4.116 * * * [progress]: generating rewritten candidates
4.116 * * * [progress]: generating series expansions
4.117 * * * [progress]: simplifying candidates
4.117 * [simplify]: Simplifying:
  
4.117 * * [simplify]: iteration 0: 0 enodes
4.117 * * [simplify]: iteration complete: 0 enodes
4.117 * * [simplify]: Extracting #0: cost 0 inf + 0
4.117 * [simplify]: Simplified to:
  
4.117 * * * [progress]: adding candidates to table
4.118 * [progress]: [Phase 3 of 3] Extracting.
4.125 * [simplify]: Simplifying:
  (- 1.0 (+ x y))
4.125 * * [simplify]: iteration 0: 5 enodes
4.125 * * [simplify]: iteration 1: 6 enodes
4.126 * * [simplify]: iteration complete: 6 enodes
4.126 * * [simplify]: Extracting #0: cost 1 inf + 0
4.126 * * [simplify]: Extracting #1: cost 3 inf + 0
4.126 * * [simplify]: Extracting #2: cost 4 inf + 1
4.126 * * [simplify]: Extracting #3: cost 0 inf + 128
4.126 * [simplify]: Simplified to:
  (- 1.0 (+ x y))
4.954 * [regime-testing]: Baseline error score: 0.0011251406425803225
4.962 * [regime-testing]: Oracle error score: 0.0011251406425803225
4.963 * [regime-testing]: End program error score: 0.0011251406425803225