38.665 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying:
  (/ (+ x y) (+ y y))
0.024 * * [simplify]: iteration 0: 5 enodes
0.025 * * [simplify]: iteration 1: 8 enodes
0.026 * * [simplify]: iteration 2: 11 enodes
0.027 * * [simplify]: iteration complete: 11 enodes
0.027 * * [simplify]: Extracting #0: cost 1 inf + 0
0.027 * * [simplify]: Extracting #1: cost 5 inf + 0
0.027 * * [simplify]: Extracting #2: cost 5 inf + 42
0.027 * * [simplify]: Extracting #3: cost 3 inf + 44
0.027 * * [simplify]: Extracting #4: cost 0 inf + 291
0.027 * [simplify]: Simplified to:
  (/ (+ y x) (+ y y))
0.028 * * [progress]: iteration 1 / 4
0.028 * * * [progress]: picking best candidate
0.031 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (+ y y)))>
0.031 * * * [progress]: localizing error
0.038 * * * [progress]: generating rewritten candidates
0.038 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.066 * * * [progress]: generating series expansions
0.066 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.066 * [backup-simplify]: Simplify (/ (+ x y) (+ y y)) into (* 1/2 (/ (+ x y) y))
0.066 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (x y) around 0
0.067 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.067 * [taylor]: Taking taylor expansion of 1/2 in y
0.067 * [backup-simplify]: Simplify 1/2 into 1/2
0.067 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.067 * [taylor]: Taking taylor expansion of (+ x y) in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [backup-simplify]: Simplify x into x
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [backup-simplify]: Simplify (+ x 0) into x
0.067 * [backup-simplify]: Simplify (/ x 1) into x
0.067 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.067 * [taylor]: Taking taylor expansion of 1/2 in x
0.067 * [backup-simplify]: Simplify 1/2 into 1/2
0.067 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.067 * [taylor]: Taking taylor expansion of (+ x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [backup-simplify]: Simplify y into y
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [backup-simplify]: Simplify y into y
0.067 * [backup-simplify]: Simplify (+ 0 y) into y
0.067 * [backup-simplify]: Simplify (/ y y) into 1
0.067 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.067 * [taylor]: Taking taylor expansion of 1/2 in x
0.067 * [backup-simplify]: Simplify 1/2 into 1/2
0.067 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.067 * [taylor]: Taking taylor expansion of (+ x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [backup-simplify]: Simplify y into y
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [backup-simplify]: Simplify y into y
0.067 * [backup-simplify]: Simplify (+ 0 y) into y
0.067 * [backup-simplify]: Simplify (/ y y) into 1
0.068 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
0.068 * [taylor]: Taking taylor expansion of 1/2 in y
0.068 * [backup-simplify]: Simplify 1/2 into 1/2
0.068 * [backup-simplify]: Simplify (+ 1 0) into 1
0.068 * [backup-simplify]: Simplify (- (/ 1 y) (+ (* 1 (/ 0 y)))) into (/ 1 y)
0.069 * [backup-simplify]: Simplify (+ (* 1/2 (/ 1 y)) (* 0 1)) into (* 1/2 (/ 1 y))
0.069 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.069 * [taylor]: Taking taylor expansion of 1/2 in y
0.069 * [backup-simplify]: Simplify 1/2 into 1/2
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 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
0.069 * [backup-simplify]: Simplify 1/2 into 1/2
0.069 * [backup-simplify]: Simplify 1/2 into 1/2
0.069 * [backup-simplify]: Simplify (+ 0 0) into 0
0.070 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* 1 (/ 0 y)) (* (/ 1 y) (/ 0 y)))) into 0
0.070 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 (/ 1 y)) (* 0 1))) into 0
0.070 * [taylor]: Taking taylor expansion of 0 in y
0.070 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.071 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify (+ 0 0) into 0
0.071 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* 1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.072 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 1)))) into 0
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.074 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify (+ 0 0) into 0
0.074 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* 1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.075 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 1))))) into 0
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ 1/2 (* 1/2 (* (/ 1 y) x))) into (+ (* 1/2 (/ x y)) 1/2)
0.075 * [backup-simplify]: Simplify (/ (+ (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 y))) into (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y))
0.075 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in (x y) around 0
0.075 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.075 * [taylor]: Taking taylor expansion of 1/2 in y
0.075 * [backup-simplify]: Simplify 1/2 into 1/2
0.075 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.075 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.075 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [backup-simplify]: Simplify x into x
0.076 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.076 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [backup-simplify]: Simplify (/ 1 1) into 1
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.076 * [taylor]: Taking taylor expansion of 1/2 in x
0.076 * [backup-simplify]: Simplify 1/2 into 1/2
0.076 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [backup-simplify]: Simplify (/ 1 1) into 1
0.076 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [backup-simplify]: Simplify y into y
0.076 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [backup-simplify]: Simplify y into y
0.076 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.076 * [taylor]: Taking taylor expansion of 1/2 in x
0.076 * [backup-simplify]: Simplify 1/2 into 1/2
0.076 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [backup-simplify]: Simplify (/ 1 1) into 1
0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [backup-simplify]: Simplify y into y
0.077 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [backup-simplify]: Simplify y into y
0.077 * [backup-simplify]: Simplify (+ 1 0) into 1
0.077 * [backup-simplify]: Simplify (* 1 y) into y
0.077 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
0.077 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.077 * [taylor]: Taking taylor expansion of 1/2 in y
0.077 * [backup-simplify]: Simplify 1/2 into 1/2
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.078 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.078 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.078 * [backup-simplify]: Simplify (+ (* 1 0) (* (/ 1 y) y)) into 1
0.078 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 y)) into 1/2
0.078 * [taylor]: Taking taylor expansion of 1/2 in y
0.079 * [backup-simplify]: Simplify 1/2 into 1/2
0.079 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.079 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.080 * [backup-simplify]: Simplify (+ 0 0) into 0
0.080 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (* 0 y))) into 0
0.080 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 y))) into 0
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1/2 into 1/2
0.081 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.081 * [backup-simplify]: Simplify 1/2 into 1/2
0.082 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.082 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.082 * [backup-simplify]: Simplify (+ 0 0) into 0
0.082 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 y)))) into 0
0.083 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 y)))) into 0
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.085 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.085 * [backup-simplify]: Simplify (+ 0 0) into 0
0.085 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.086 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 y))))) into 0
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 y) (/ 1 (/ 1 x)))) 1/2) into (+ (* 1/2 (/ x y)) 1/2)
0.087 * [backup-simplify]: Simplify (/ (+ (/ 1 (- x)) (/ 1 (- y))) (+ (/ 1 (- y)) (/ 1 (- y)))) into (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y))
0.087 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in (x y) around 0
0.087 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.087 * [taylor]: Taking taylor expansion of 1/2 in y
0.087 * [backup-simplify]: Simplify 1/2 into 1/2
0.087 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.087 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.087 * [taylor]: Taking taylor expansion of x in y
0.087 * [backup-simplify]: Simplify x into x
0.087 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.087 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 1 into 1
0.087 * [backup-simplify]: Simplify (/ 1 1) into 1
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 1 into 1
0.087 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.087 * [taylor]: Taking taylor expansion of 1/2 in x
0.087 * [backup-simplify]: Simplify 1/2 into 1/2
0.087 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.087 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify (/ 1 1) into 1
0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [backup-simplify]: Simplify y into y
0.088 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [backup-simplify]: Simplify y into y
0.088 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.088 * [taylor]: Taking taylor expansion of 1/2 in x
0.088 * [backup-simplify]: Simplify 1/2 into 1/2
0.088 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.088 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify (/ 1 1) into 1
0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [backup-simplify]: Simplify y into y
0.088 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [backup-simplify]: Simplify y into y
0.089 * [backup-simplify]: Simplify (+ 1 0) into 1
0.089 * [backup-simplify]: Simplify (* 1 y) into y
0.089 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
0.089 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.089 * [taylor]: Taking taylor expansion of 1/2 in y
0.089 * [backup-simplify]: Simplify 1/2 into 1/2
0.089 * [taylor]: Taking taylor expansion of y in y
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 1 into 1
0.089 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.089 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.090 * [backup-simplify]: Simplify (+ (* 1 0) (* (/ 1 y) y)) into 1
0.090 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 y)) into 1/2
0.090 * [taylor]: Taking taylor expansion of 1/2 in y
0.090 * [backup-simplify]: Simplify 1/2 into 1/2
0.090 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.091 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.091 * [backup-simplify]: Simplify (+ 0 0) into 0
0.091 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (* 0 y))) into 0
0.092 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 y))) into 0
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 1/2 into 1/2
0.092 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.092 * [backup-simplify]: Simplify 1/2 into 1/2
0.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.093 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.093 * [backup-simplify]: Simplify (+ 0 0) into 0
0.094 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 y)))) into 0
0.095 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 y)))) into 0
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
0.095 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.096 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.096 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.098 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 y))))) into 0
0.098 * [taylor]: Taking taylor expansion of 0 in y
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (- y)) (/ 1 (/ 1 (- x))))) 1/2) into (+ (* 1/2 (/ x y)) 1/2)
0.098 * * * [progress]: simplifying candidates
0.099 * [simplify]: Simplifying:
  (- (log (+ x y)) (log (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (exp (/ (+ x y) (+ y y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (+ y y) (+ y y)) (+ y y)))
  (* (cbrt (/ (+ x y) (+ y y))) (cbrt (/ (+ x y) (+ y y))))
  (cbrt (/ (+ x y) (+ y y)))
  (* (* (/ (+ x y) (+ y y)) (/ (+ x y) (+ y y))) (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (- (+ x y))
  (- (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (cbrt (+ x y)) (cbrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ y y)))
  (/ (cbrt (+ x y)) (sqrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (+ x y)) (+ (cbrt y) (cbrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (cbrt y))
  (/ (cbrt (+ x y)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) y)
  (/ (cbrt (+ x y)) (+ 1 1))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (+ 1 1))
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (+ 1 1))
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ x y)) (cbrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (+ (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (sqrt (+ x y)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 2)
  (/ (+ x y) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 2)
  (/ (+ x y) y)
  (/ 1 (+ y y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (sqrt (+ y y)))
  (/ (+ x y) 1)
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) 1)
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (/ (+ x y) (+ 1 1))
  (/ (+ x y) (+ 1 1))
  (/ (+ x y) 2)
  (/ (+ y y) (cbrt (+ x y)))
  (/ (+ y y) (sqrt (+ x y)))
  (/ (+ y y) (+ x y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (+ (pow y 3) (pow y 3)))
  (/ (+ x y) (- (* y y) (* y y)))
  (* (+ y y) (+ (* x x) (- (* y y) (* x y))))
  (* (+ y y) (- x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.100 * * [simplify]: iteration 0: 112 enodes
0.125 * * [simplify]: iteration 1: 231 enodes
0.228 * * [simplify]: iteration 2: 650 enodes
0.617 * * [simplify]: iteration 3: 2666 enodes
1.272 * * [simplify]: iteration complete: 5360 enodes
1.272 * * [simplify]: Extracting #0: cost 67 inf + 0
1.275 * * [simplify]: Extracting #1: cost 1049 inf + 2
1.282 * * [simplify]: Extracting #2: cost 2021 inf + 1881
1.293 * * [simplify]: Extracting #3: cost 1938 inf + 50451
1.360 * * [simplify]: Extracting #4: cost 377 inf + 290991
1.434 * * [simplify]: Extracting #5: cost 8 inf + 362195
1.513 * * [simplify]: Extracting #6: cost 0 inf + 363860
1.595 * [simplify]: Simplified to:
  (log (/ (+ y x) (+ y y)))
  (log (/ (+ y x) (+ y y)))
  (exp (/ (+ y x) (+ y y)))
  (* (* (/ (+ y x) (+ y y)) (/ (+ y x) (+ y y))) (/ (+ y x) (+ y y)))
  (* (cbrt (/ (+ y x) (+ y y))) (cbrt (/ (+ y x) (+ y y))))
  (cbrt (/ (+ y x) (+ y y)))
  (* (* (/ (+ y x) (+ y y)) (/ (+ y x) (+ y y))) (/ (+ y x) (+ y y)))
  (sqrt (/ (+ y x) (+ y y)))
  (sqrt (/ (+ y x) (+ y y)))
  (- (- y) x)
  (* -2 y)
  (* (/ (cbrt (+ y x)) (cbrt (+ y y))) (/ (cbrt (+ y x)) (cbrt (+ y y))))
  (/ (cbrt (+ y x)) (cbrt (+ y y)))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (sqrt (+ y y)))
  (/ (cbrt (+ y x)) (sqrt (+ y y)))
  (* (cbrt (+ y x)) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) (+ y y))
  (* (/ (cbrt (+ y x)) (cbrt y)) (/ (cbrt (+ y x)) (cbrt y)))
  (/ (cbrt (+ y x)) (+ (cbrt y) (cbrt y)))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (sqrt y))
  (/ (cbrt (+ y x)) (+ (sqrt y) (sqrt y)))
  (* (cbrt (+ y x)) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) (+ y y))
  (* (/ (cbrt (+ y x)) (cbrt y)) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) (* (+ (cbrt y) (cbrt y)) (cbrt y)))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (sqrt y))
  (/ (cbrt (+ y x)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) y)
  (/ (cbrt (+ y x)) 2)
  (* (/ (cbrt (+ y x)) 2) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) y)
  (* (/ (cbrt (+ y x)) 2) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) y)
  (* (/ (cbrt (+ y x)) 2) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) y)
  (/ (sqrt (+ y x)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ y x)) (cbrt (+ y y)))
  (/ (sqrt (+ y x)) (sqrt (+ y y)))
  (/ (sqrt (+ y x)) (sqrt (+ y y)))
  (sqrt (+ y x))
  (/ (sqrt (+ y x)) (+ y y))
  (/ (sqrt (+ y x)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (+ y x)) (+ (cbrt y) (cbrt y)))
  (/ (sqrt (+ y x)) (sqrt y))
  (/ (sqrt (+ y x)) (+ (sqrt y) (sqrt y)))
  (sqrt (+ y x))
  (/ (sqrt (+ y x)) (+ y y))
  (/ (sqrt (+ y x)) (cbrt y))
  (/ (sqrt (+ y x)) (* (+ (cbrt y) (cbrt y)) (cbrt y)))
  (/ (sqrt (+ y x)) (sqrt y))
  (/ (sqrt (+ y x)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) 2)
  (/ (sqrt (+ y x)) 2)
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) 2)
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) 2)
  (/ (sqrt (+ y x)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ y x) (sqrt (+ y y)))
  1
  (/ (+ y x) (+ y y))
  (/ (/ 1 (cbrt y)) (cbrt y))
  (/ (+ y x) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  1
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (+ y x) (cbrt y)) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ y x) 2)
  1/2
  (/ (+ y x) y)
  1/2
  (/ (+ y x) y)
  1/2
  (/ (+ y x) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ y x) (sqrt (+ y y)))
  1
  (/ (+ y x) (+ y y))
  (/ (/ 1 (cbrt y)) (cbrt y))
  (/ (+ y x) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  1
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (+ y x) (cbrt y)) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ y x) 2)
  1/2
  (/ (+ y x) y)
  1/2
  (/ (+ y x) y)
  1/2
  (/ (+ y x) y)
  (/ 1/2 y)
  (/ (+ y y) (+ y x))
  (/ (+ y x) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (sqrt (+ y y)))
  (+ y x)
  (/ (+ y x) (* (cbrt y) (cbrt y)))
  (/ (+ y x) (sqrt y))
  (+ y x)
  (/ (+ y x) (cbrt y))
  (/ (+ y x) (sqrt y))
  (/ (+ y x) y)
  (/ (+ y x) 2)
  (/ (+ y x) 2)
  (/ (+ y x) 2)
  (/ (+ y y) (cbrt (+ y x)))
  (/ (+ y y) (sqrt (+ y x)))
  (/ (+ y y) (+ y x))
  (/ (+ y y) (+ y x))
  (/ (/ (+ y x) (* y y)) (+ y y))
  (/ (+ y x) 0)
  (+ (* y (+ (* x x) (* y (- y x)))) (* y (+ (* x x) (* y (- y x)))))
  (* (- x y) (+ y y))
  (+ 1/2 (/ (* 1/2 x) y))
  (+ 1/2 (/ (* 1/2 x) y))
  (+ 1/2 (/ (* 1/2 x) y))
1.599 * * * [progress]: adding candidates to table
1.872 * * [progress]: iteration 2 / 4
1.872 * * * [progress]: picking best candidate
1.876 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))>
1.876 * * * [progress]: localizing error
1.882 * * * [progress]: generating rewritten candidates
1.882 * * * [progress]: generating series expansions
1.882 * * * [progress]: simplifying candidates
1.883 * [simplify]: Simplifying:
  
1.883 * * [simplify]: iteration 0: 0 enodes
1.883 * * [simplify]: iteration complete: 0 enodes
1.883 * * [simplify]: Extracting #0: cost 0 inf + 0
1.883 * [simplify]: Simplified to:
  
1.883 * * * [progress]: adding candidates to table
1.883 * [progress]: [Phase 3 of 3] Extracting.
1.886 * [simplify]: Simplifying:
  (+ (* 1/2 (/ x y)) 1/2)
1.886 * * [simplify]: iteration 0: 6 enodes
1.887 * * [simplify]: iteration 1: 8 enodes
1.887 * * [simplify]: iteration complete: 8 enodes
1.887 * * [simplify]: Extracting #0: cost 1 inf + 0
1.887 * * [simplify]: Extracting #1: cost 3 inf + 0
1.887 * * [simplify]: Extracting #2: cost 3 inf + 1
1.887 * * [simplify]: Extracting #3: cost 5 inf + 1
1.887 * * [simplify]: Extracting #4: cost 0 inf + 251
1.887 * [simplify]: Simplified to:
  (+ 1/2 (* (/ x y) 1/2))
2.672 * [regime-testing]: Baseline error score: 0.026116625902688904
2.684 * [regime-testing]: Oracle error score: 0.026116625902688904
2.684 * [regime-testing]: End program error score: 0.026116625902688904
2.844 * [regime-testing]: Target error score: 0.026116625902688904