11.095 * [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.
0.018 * [simplify]: Simplifying:
  (+ (+ x y) x)
0.018 * * [simplify]: iteration 0: 4 enodes
0.018 * * [simplify]: iteration 1: 6 enodes
0.019 * * [simplify]: iteration 2: 9 enodes
0.020 * * [simplify]: iteration 3: 11 enodes
0.021 * * [simplify]: iteration 4: 12 enodes
0.023 * * [simplify]: iteration complete: 12 enodes
0.023 * * [simplify]: Extracting #0: cost 1 inf + 0
0.023 * * [simplify]: Extracting #1: cost 5 inf + 0
0.023 * * [simplify]: Extracting #2: cost 4 inf + 2
0.023 * * [simplify]: Extracting #3: cost 0 inf + 14
0.023 * [simplify]: Simplified to:
  (+ x (+ y x))
0.029 * * [progress]: iteration 1 / 4
0.029 * * * [progress]: picking best candidate
0.033 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (+ y x)))>
0.033 * * * [progress]: localizing error
0.043 * * * [progress]: generating rewritten candidates
0.044 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.065 * * * [progress]: generating series expansions
0.065 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.065 * [backup-simplify]: Simplify (+ x (+ y x)) into (+ (* 2 x) y)
0.065 * [approximate]: Taking taylor expansion of (+ (* 2 x) y) in (x y) around 0
0.065 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in y
0.065 * [taylor]: Taking taylor expansion of (* 2 x) in y
0.065 * [taylor]: Taking taylor expansion of 2 in y
0.065 * [backup-simplify]: Simplify 2 into 2
0.065 * [taylor]: Taking taylor expansion of x in y
0.065 * [backup-simplify]: Simplify x into x
0.065 * [taylor]: Taking taylor expansion of y in y
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 1 into 1
0.065 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.065 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.065 * [taylor]: Taking taylor expansion of 2 in x
0.065 * [backup-simplify]: Simplify 2 into 2
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 1 into 1
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [backup-simplify]: Simplify y into y
0.065 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.065 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.065 * [taylor]: Taking taylor expansion of 2 in x
0.065 * [backup-simplify]: Simplify 2 into 2
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 1 into 1
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [backup-simplify]: Simplify y into y
0.066 * [backup-simplify]: Simplify (* 2 0) into 0
0.066 * [backup-simplify]: Simplify (+ 0 y) into y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify 1 into 1
0.066 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify (+ (* 2 1) (* 0 0)) into 2
0.067 * [backup-simplify]: Simplify (+ 2 0) into 2
0.067 * [taylor]: Taking taylor expansion of 2 in y
0.067 * [backup-simplify]: Simplify 2 into 2
0.067 * [backup-simplify]: Simplify 2 into 2
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [backup-simplify]: Simplify (+ (* 2 0) (+ (* 0 1) (* 0 0))) into 0
0.068 * [backup-simplify]: Simplify (+ 0 0) into 0
0.068 * [taylor]: Taking taylor expansion of 0 in y
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify (+ (* 2 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.069 * [backup-simplify]: Simplify (+ 0 0) into 0
0.069 * [taylor]: Taking taylor expansion of 0 in y
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify (+ (* 1 (* y 1)) (* 2 (* 1 x))) into (+ (* 2 x) y)
0.069 * [backup-simplify]: Simplify (+ (/ 1 x) (+ (/ 1 y) (/ 1 x))) into (+ (* 2 (/ 1 x)) (/ 1 y))
0.069 * [approximate]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (/ 1 y)) in (x y) around 0
0.069 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (/ 1 y)) in y
0.069 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.069 * [taylor]: Taking taylor expansion of 2 in y
0.069 * [backup-simplify]: Simplify 2 into 2
0.069 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.069 * [backup-simplify]: Simplify x into x
0.069 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.069 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 1 into 1
0.069 * [backup-simplify]: Simplify (/ 1 1) into 1
0.069 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (/ 1 y)) in x
0.070 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.070 * [taylor]: Taking taylor expansion of 2 in x
0.070 * [backup-simplify]: Simplify 2 into 2
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [backup-simplify]: Simplify (/ 1 1) into 1
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.070 * [backup-simplify]: Simplify y into y
0.070 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.070 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (/ 1 y)) in x
0.070 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.070 * [taylor]: Taking taylor expansion of 2 in x
0.070 * [backup-simplify]: Simplify 2 into 2
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [backup-simplify]: Simplify (/ 1 1) into 1
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.071 * [backup-simplify]: Simplify y into y
0.071 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.071 * [backup-simplify]: Simplify (* 2 1) into 2
0.071 * [backup-simplify]: Simplify (+ 2 0) into 2
0.071 * [taylor]: Taking taylor expansion of 2 in y
0.071 * [backup-simplify]: Simplify 2 into 2
0.072 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.072 * [backup-simplify]: Simplify (+ (* 2 0) (* 0 1)) into 0
0.072 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.072 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 1 into 1
0.072 * [backup-simplify]: Simplify (/ 1 1) into 1
0.072 * [backup-simplify]: Simplify 1 into 1
0.072 * [backup-simplify]: Simplify 2 into 2
0.073 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.073 * [backup-simplify]: Simplify (+ (* 2 0) (+ (* 0 0) (* 0 1))) into 0
0.073 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.074 * [backup-simplify]: Simplify (+ 0 0) into 0
0.074 * [taylor]: Taking taylor expansion of 0 in y
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.075 * [backup-simplify]: Simplify (+ (* 2 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.076 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.076 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.078 * [backup-simplify]: Simplify (+ (* 2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.078 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify (+ (* 2 (* 1 (/ 1 (/ 1 x)))) (* 1 (* (/ 1 (/ 1 y)) 1))) into (+ (* 2 x) y)
0.078 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (+ (/ 1 (- y)) (/ 1 (- x)))) into (- (+ (* 2 (/ 1 x)) (/ 1 y)))
0.078 * [approximate]: Taking taylor expansion of (- (+ (* 2 (/ 1 x)) (/ 1 y))) in (x y) around 0
0.078 * [taylor]: Taking taylor expansion of (- (+ (* 2 (/ 1 x)) (/ 1 y))) in y
0.078 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (/ 1 y)) in y
0.078 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.078 * [taylor]: Taking taylor expansion of 2 in y
0.078 * [backup-simplify]: Simplify 2 into 2
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.078 * [taylor]: Taking taylor expansion of x in y
0.078 * [backup-simplify]: Simplify x into x
0.078 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.079 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [backup-simplify]: Simplify (/ 1 1) into 1
0.079 * [taylor]: Taking taylor expansion of (- (+ (* 2 (/ 1 x)) (/ 1 y))) in x
0.079 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (/ 1 y)) in x
0.079 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.079 * [taylor]: Taking taylor expansion of 2 in x
0.079 * [backup-simplify]: Simplify 2 into 2
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [backup-simplify]: Simplify (/ 1 1) into 1
0.079 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [backup-simplify]: Simplify y into y
0.079 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.079 * [taylor]: Taking taylor expansion of (- (+ (* 2 (/ 1 x)) (/ 1 y))) in x
0.079 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (/ 1 y)) in x
0.079 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.079 * [taylor]: Taking taylor expansion of 2 in x
0.079 * [backup-simplify]: Simplify 2 into 2
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.080 * [backup-simplify]: Simplify (/ 1 1) into 1
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [backup-simplify]: Simplify y into y
0.080 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.080 * [backup-simplify]: Simplify (* 2 1) into 2
0.080 * [backup-simplify]: Simplify (+ 2 0) into 2
0.080 * [backup-simplify]: Simplify (- 2) into -2
0.080 * [taylor]: Taking taylor expansion of -2 in y
0.080 * [backup-simplify]: Simplify -2 into -2
0.081 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.081 * [backup-simplify]: Simplify (+ (* 2 0) (* 0 1)) into 0
0.081 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.081 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.081 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify (/ 1 1) into 1
0.082 * [backup-simplify]: Simplify (- 1) into -1
0.082 * [backup-simplify]: Simplify -1 into -1
0.082 * [backup-simplify]: Simplify -2 into -2
0.083 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.084 * [backup-simplify]: Simplify (+ (* 2 0) (+ (* 0 0) (* 0 1))) into 0
0.084 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.084 * [backup-simplify]: Simplify (+ 0 0) into 0
0.085 * [backup-simplify]: Simplify (- 0) into 0
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.086 * [backup-simplify]: Simplify (- 0) into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify (+ (* 2 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.088 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.088 * [backup-simplify]: Simplify (+ 0 0) into 0
0.088 * [backup-simplify]: Simplify (- 0) into 0
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.089 * [backup-simplify]: Simplify (- 0) into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.092 * [backup-simplify]: Simplify (+ (* 2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.092 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.092 * [backup-simplify]: Simplify (+ 0 0) into 0
0.092 * [backup-simplify]: Simplify (- 0) into 0
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify (+ (* -2 (* 1 (/ 1 (/ 1 (- x))))) (* -1 (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 2 x) y)
0.093 * * * [progress]: simplifying candidates
0.093 * [simplify]: Simplifying:
  (* (exp x) (* (exp y) (exp x)))
  (* (exp x) (exp (+ y x)))
  (log (+ x (+ y x)))
  (exp (+ x (+ y x)))
  (* (cbrt (+ x (+ y x))) (cbrt (+ x (+ y x))))
  (cbrt (+ x (+ y x)))
  (* (* (+ x (+ y x)) (+ x (+ y x))) (+ x (+ y x)))
  (sqrt (+ x (+ y x)))
  (sqrt (+ x (+ y x)))
  (+ (pow x 3) (pow (+ y x) 3))
  (+ (* x x) (- (* (+ y x) (+ y x)) (* x (+ y x))))
  (- (* x x) (* (+ y x) (+ y x)))
  (- x (+ y x))
  (+ x (+ y x))
  (+ x (+ y x))
  (+ x y)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
0.094 * * [simplify]: iteration 0: 32 enodes
0.103 * * [simplify]: iteration 1: 85 enodes
0.124 * * [simplify]: iteration 2: 262 enodes
0.241 * * [simplify]: iteration 3: 1119 enodes
0.646 * * [simplify]: iteration complete: 5002 enodes
0.647 * * [simplify]: Extracting #0: cost 12 inf + 0
0.647 * * [simplify]: Extracting #1: cost 181 inf + 0
0.650 * * [simplify]: Extracting #2: cost 1520 inf + 78
0.656 * * [simplify]: Extracting #3: cost 1771 inf + 5268
0.668 * * [simplify]: Extracting #4: cost 249 inf + 18524
0.681 * * [simplify]: Extracting #5: cost 52 inf + 20756
0.690 * * [simplify]: Extracting #6: cost 7 inf + 20961
0.701 * * [simplify]: Extracting #7: cost 0 inf + 21002
0.708 * [simplify]: Simplified to:
  (exp (+ x (+ x y)))
  (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 y) 3) (pow x 3))
  (+ (* y (+ x y)) (* x x))
  (* (+ x (+ x y)) (- y))
  (- y)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x y)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
0.708 * * * [progress]: adding candidates to table
0.775 * [progress]: [Phase 3 of 3] Extracting.
0.779 * [simplify]: Simplifying:
  (+ x (+ y x))
0.779 * * [simplify]: iteration 0: 4 enodes
0.779 * * [simplify]: iteration 1: 6 enodes
0.779 * * [simplify]: iteration complete: 6 enodes
0.779 * * [simplify]: Extracting #0: cost 1 inf + 0
0.779 * * [simplify]: Extracting #1: cost 3 inf + 0
0.780 * * [simplify]: Extracting #2: cost 3 inf + 1
0.780 * * [simplify]: Extracting #3: cost 0 inf + 10
0.780 * [simplify]: Simplified to:
  (+ x (+ y x))
1.566 * [regime-testing]: Baseline error score: 0.019877484685585697
1.568 * [regime-testing]: Oracle error score: 0.019877484685585697
1.569 * [regime-testing]: End program error score: 0.019877484685585697
1.636 * [regime-testing]: Target error score: 0