13.808 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying:
  (/ (+ x y) (+ y y))
0.029 * * [simplify]: iteration 0: 5 enodes
0.031 * * [simplify]: iteration 1: 8 enodes
0.033 * * [simplify]: iteration 2: 11 enodes
0.034 * * [simplify]: iteration 3: 13 enodes
0.036 * * [simplify]: iteration complete: 13 enodes
0.036 * * [simplify]: Extracting #0: cost 1 inf + 0
0.036 * * [simplify]: Extracting #1: cost 7 inf + 0
0.036 * * [simplify]: Extracting #2: cost 5 inf + 5
0.036 * * [simplify]: Extracting #3: cost 4 inf + 6
0.036 * * [simplify]: Extracting #4: cost 0 inf + 26
0.036 * [simplify]: Simplified to:
  (/ (+ y x) (+ y y))
0.040 * * [progress]: iteration 1 / 4
0.040 * * * [progress]: picking best candidate
0.042 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ y x) (+ y y)))>
0.042 * * * [progress]: localizing error
0.049 * * * [progress]: generating rewritten candidates
0.049 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.079 * * * [progress]: generating series expansions
0.079 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.079 * [backup-simplify]: Simplify (/ (+ y x) (+ y y)) into (* 1/2 (/ (+ x y) y))
0.079 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (y x) around 0
0.079 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.079 * [taylor]: Taking taylor expansion of 1/2 in x
0.079 * [backup-simplify]: Simplify 1/2 into 1/2
0.079 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.079 * [taylor]: Taking taylor expansion of (+ x y) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [backup-simplify]: Simplify y into y
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [backup-simplify]: Simplify y into y
0.080 * [backup-simplify]: Simplify (+ 0 y) into y
0.080 * [backup-simplify]: Simplify (/ y y) into 1
0.080 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.080 * [taylor]: Taking taylor expansion of 1/2 in y
0.080 * [backup-simplify]: Simplify 1/2 into 1/2
0.080 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.080 * [taylor]: Taking taylor expansion of (+ x y) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [backup-simplify]: Simplify x into x
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [backup-simplify]: Simplify (+ x 0) into x
0.080 * [backup-simplify]: Simplify (/ x 1) into x
0.080 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.080 * [taylor]: Taking taylor expansion of 1/2 in y
0.080 * [backup-simplify]: Simplify 1/2 into 1/2
0.080 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.080 * [taylor]: Taking taylor expansion of (+ x y) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [backup-simplify]: Simplify x into x
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [backup-simplify]: Simplify (+ x 0) into x
0.080 * [backup-simplify]: Simplify (/ x 1) into x
0.080 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
0.080 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.080 * [taylor]: Taking taylor expansion of 1/2 in x
0.080 * [backup-simplify]: Simplify 1/2 into 1/2
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify (+ 0 1) into 1
0.082 * [backup-simplify]: Simplify (- (/ 1 1) (+ (* x (/ 0 1)))) into 1
0.082 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 x)) into 1/2
0.082 * [taylor]: Taking taylor expansion of 1/2 in x
0.082 * [backup-simplify]: Simplify 1/2 into 1/2
0.082 * [backup-simplify]: Simplify 1/2 into 1/2
0.083 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.083 * [backup-simplify]: Simplify 1/2 into 1/2
0.083 * [backup-simplify]: Simplify (+ 0 0) into 0
0.084 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 1 (/ 0 1)))) into 0
0.084 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 x))) into 0
0.084 * [taylor]: Taking taylor expansion of 0 in x
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify (+ 0 0) into 0
0.087 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 x)))) into 0
0.087 * [taylor]: Taking taylor expansion of 0 in x
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (+ (* 1/2 (* x (/ 1 y))) 1/2) into (+ (* 1/2 (/ x y)) 1/2)
0.088 * [backup-simplify]: Simplify (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 y))) into (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y))
0.088 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in (y x) around 0
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
0.088 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.088 * [taylor]: Taking taylor expansion of 1/2 in y
0.088 * [backup-simplify]: Simplify 1/2 into 1/2
0.088 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.088 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.088 * [taylor]: Taking taylor expansion of x in y
0.088 * [backup-simplify]: Simplify x into x
0.089 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.089 * [taylor]: Taking taylor expansion of (/ 1 y) in y
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 1) into 1
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 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) 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 (* (+ (/ 1 x) (/ 1 y)) y) in y
0.089 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [backup-simplify]: Simplify x into x
0.089 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.089 * [taylor]: Taking taylor expansion of (/ 1 y) in y
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 1) into 1
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
0.090 * [backup-simplify]: Simplify (+ 0 1) into 1
0.090 * [backup-simplify]: Simplify (* 1 0) into 0
0.090 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.090 * [taylor]: Taking taylor expansion of 0 in x
0.090 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.091 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
0.091 * [backup-simplify]: Simplify (+ (* 1 1) (* (/ 1 x) 0)) into 1
0.091 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.092 * [taylor]: Taking taylor expansion of 1/2 in x
0.092 * [backup-simplify]: Simplify 1/2 into 1/2
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
0.092 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.092 * [backup-simplify]: Simplify (+ 0 0) into 0
0.093 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 1) (* 0 0))) into (/ 1 x)
0.093 * [backup-simplify]: Simplify (+ (* 1/2 (/ 1 x)) (+ (* 0 1) (* 0 0))) into (* 1/2 (/ 1 x))
0.093 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.093 * [taylor]: Taking taylor expansion of 1/2 in x
0.093 * [backup-simplify]: Simplify 1/2 into 1/2
0.093 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify (/ 1 1) into 1
0.094 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
0.094 * [backup-simplify]: Simplify 1/2 into 1/2
0.094 * [backup-simplify]: Simplify 1/2 into 1/2
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (+ 0 0) into 0
0.096 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 0) (+ (* 0 1) (* 0 0)))) into 0
0.096 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 (/ 1 x)) (+ (* 0 1) (* 0 0)))) into 0
0.096 * [taylor]: Taking taylor expansion of 0 in x
0.096 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.097 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.098 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.098 * [backup-simplify]: Simplify (+ 0 0) into 0
0.099 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.100 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 (/ 1 x)) (+ (* 0 1) (* 0 0))))) into 0
0.100 * [taylor]: Taking taylor expansion of 0 in x
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (+ 1/2 (* 1/2 (* (/ 1 (/ 1 x)) (/ 1 y)))) into (+ (* 1/2 (/ x y)) 1/2)
0.102 * [backup-simplify]: Simplify (/ (+ (/ 1 (- y)) (/ 1 (- x))) (+ (/ 1 (- y)) (/ 1 (- y)))) into (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y))
0.102 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in (y x) around 0
0.102 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.102 * [taylor]: Taking taylor expansion of 1/2 in x
0.102 * [backup-simplify]: Simplify 1/2 into 1/2
0.102 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.102 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 1 into 1
0.102 * [backup-simplify]: Simplify (/ 1 1) into 1
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [backup-simplify]: Simplify y into y
0.102 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [backup-simplify]: Simplify y into y
0.102 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.102 * [taylor]: Taking taylor expansion of 1/2 in y
0.102 * [backup-simplify]: Simplify 1/2 into 1/2
0.102 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.102 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [backup-simplify]: Simplify x into x
0.102 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (/ 1 1) into 1
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 1 into 1
0.103 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.103 * [taylor]: Taking taylor expansion of 1/2 in y
0.103 * [backup-simplify]: Simplify 1/2 into 1/2
0.103 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.103 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [backup-simplify]: Simplify x into x
0.103 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (/ 1 1) into 1
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (+ 0 1) into 1
0.104 * [backup-simplify]: Simplify (* 1 0) into 0
0.104 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.104 * [taylor]: Taking taylor expansion of 0 in x
0.104 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
0.105 * [backup-simplify]: Simplify (+ (* 1 1) (* (/ 1 x) 0)) into 1
0.105 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.105 * [taylor]: Taking taylor expansion of 1/2 in x
0.105 * [backup-simplify]: Simplify 1/2 into 1/2
0.105 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
0.106 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (+ 0 0) into 0
0.107 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 1) (* 0 0))) into (/ 1 x)
0.107 * [backup-simplify]: Simplify (+ (* 1/2 (/ 1 x)) (+ (* 0 1) (* 0 0))) into (* 1/2 (/ 1 x))
0.107 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.107 * [taylor]: Taking taylor expansion of 1/2 in x
0.107 * [backup-simplify]: Simplify 1/2 into 1/2
0.107 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (/ 1 1) into 1
0.108 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
0.108 * [backup-simplify]: Simplify 1/2 into 1/2
0.108 * [backup-simplify]: Simplify 1/2 into 1/2
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.109 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.109 * [backup-simplify]: Simplify (+ 0 0) into 0
0.110 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 0) (+ (* 0 1) (* 0 0)))) into 0
0.110 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 (/ 1 x)) (+ (* 0 1) (* 0 0)))) into 0
0.110 * [taylor]: Taking taylor expansion of 0 in x
0.110 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.111 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.112 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.112 * [backup-simplify]: Simplify (+ 0 0) into 0
0.113 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.114 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 (/ 1 x)) (+ (* 0 1) (* 0 0))))) into 0
0.114 * [taylor]: Taking taylor expansion of 0 in x
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.116 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify (+ 1/2 (* 1/2 (* (/ 1 (/ 1 (- x))) (/ 1 (- y))))) into (+ (* 1/2 (/ x y)) 1/2)
0.117 * * * [progress]: simplifying candidates
0.119 * [simplify]: Simplifying:
  (- (log (+ y x)) (log (+ y y)))
  (log (/ (+ y x) (+ y y)))
  (exp (/ (+ y x) (+ y y)))
  (/ (* (* (+ y x) (+ y x)) (+ y x)) (* (* (+ y y) (+ y y)) (+ 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))
  (- (+ y y))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (* (cbrt (+ y y)) (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))) 1)
  (/ (cbrt (+ y x)) (+ y y))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (* (cbrt y) (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))) 1)
  (/ (cbrt (+ y x)) (+ y y))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (cbrt y))
  (/ (cbrt (+ y x)) (+ (* (cbrt y) (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)) (+ 1 1))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (+ 1 1))
  (/ (cbrt (+ y x)) y)
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (+ 1 1))
  (/ (cbrt (+ y x)) y)
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) 2)
  (/ (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)) 1)
  (/ (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)) 1)
  (/ (sqrt (+ y x)) (+ y y))
  (/ (sqrt (+ y x)) (cbrt y))
  (/ (sqrt (+ y x)) (+ (* (cbrt y) (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)) (+ 1 1))
  (/ (sqrt (+ y x)) (+ 1 1))
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) (+ 1 1))
  (/ (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 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 1)
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ y x) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ y x) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ y x) y)
  (/ 1 (+ 1 1))
  (/ (+ 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 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 1)
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ y x) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ y x) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ y x) y)
  (/ 1 (+ 1 1))
  (/ (+ y x) y)
  (/ 1 2)
  (/ (+ y x) y)
  (/ 1 (+ y y))
  (/ (+ y y) (+ y x))
  (/ (+ y x) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (sqrt (+ y y)))
  (/ (+ y x) 1)
  (/ (+ y x) (* (cbrt y) (cbrt y)))
  (/ (+ y x) (sqrt y))
  (/ (+ y x) 1)
  (/ (+ y x) (cbrt y))
  (/ (+ y x) (sqrt y))
  (/ (+ y x) y)
  (/ (+ y x) (+ 1 1))
  (/ (+ y x) (+ 1 1))
  (/ (+ y x) 2)
  (/ (+ y y) (cbrt (+ y x)))
  (/ (+ y y) (sqrt (+ y x)))
  (/ (+ y y) (+ y x))
  (/ (+ y y) (+ y x))
  (/ (+ y x) (+ (pow y 3) (pow y 3)))
  (/ (+ y x) (- (* y y) (* y y)))
  (* (+ y y) (+ (* y y) (- (* x x) (* y x))))
  (* (+ y y) (- y x))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.122 * * [simplify]: iteration 0: 112 enodes
0.152 * * [simplify]: iteration 1: 234 enodes
0.227 * * [simplify]: iteration 2: 761 enodes
1.214 * * [simplify]: iteration 3: 4849 enodes
2.659 * * [simplify]: iteration complete: 5001 enodes
2.659 * * [simplify]: Extracting #0: cost 67 inf + 0
2.661 * * [simplify]: Extracting #1: cost 625 inf + 2
2.664 * * [simplify]: Extracting #2: cost 1242 inf + 853
2.669 * * [simplify]: Extracting #3: cost 851 inf + 7734
2.681 * * [simplify]: Extracting #4: cost 40 inf + 14172
2.687 * * [simplify]: Extracting #5: cost 5 inf + 14370
2.694 * * [simplify]: Extracting #6: cost 0 inf + 14407
2.705 * [simplify]: Simplified to:
  (log (/ (+ y x) (+ y y)))
  (log (/ (+ y x) (+ y y)))
  (sqrt (exp (/ (+ y x) y)))
  (pow (/ (+ y x) (+ y y)) 3)
  (* (cbrt (/ (+ y x) (+ y y))) (cbrt (/ (+ y x) (+ y y))))
  (cbrt (/ (+ y x) (+ y y)))
  (pow (/ (+ y x) (+ y y)) 3)
  (sqrt (/ (+ y x) (+ y y)))
  (sqrt (/ (+ y x) (+ y y)))
  (- (+ y x))
  (* y -2)
  (* (/ (cbrt (+ y x)) (cbrt (+ y y))) (/ (cbrt (+ y x)) (cbrt (+ y y))))
  (/ (cbrt (+ y x)) (cbrt (+ y y)))
  (* (/ (cbrt (+ y x)) (sqrt (+ y y))) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) (sqrt (+ y y)))
  (* (cbrt (+ y x)) (cbrt (+ y x)))
  (/ (/ (cbrt (+ y x)) 2) y)
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt (+ y x)) (cbrt y)) 2)
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (sqrt y))
  (/ (/ (cbrt (+ y x)) (sqrt y)) 2)
  (* (cbrt (+ y x)) (cbrt (+ y x)))
  (/ (/ (cbrt (+ y x)) 2) y)
  (* (/ (cbrt (+ y x)) (cbrt y)) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) (* 2 (* (cbrt y) (cbrt y))))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (sqrt y))
  (/ (/ (cbrt (+ y x)) (sqrt y)) 2)
  (/ (cbrt (+ y x)) (/ y (cbrt (+ y x))))
  (/ (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) 2))
  (/ (sqrt (+ y x)) (sqrt y))
  (/ (/ (sqrt (+ y x)) (sqrt y)) 2)
  (sqrt (+ y x))
  (/ (sqrt (+ y x)) (+ y y))
  (/ (sqrt (+ y x)) (cbrt y))
  (/ (sqrt (+ y x)) (* 2 (* (cbrt y) (cbrt y))))
  (/ (sqrt (+ y x)) (sqrt y))
  (/ (/ (sqrt (+ y x)) (sqrt y)) 2)
  (/ (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) 2))
  (/ 1 (sqrt y))
  (/ (/ (+ y x) 2) (sqrt y))
  1
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (/ (+ y x) (cbrt y)) 2) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ (+ y x) 2) (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) 2))
  (/ 1 (sqrt y))
  (/ (/ (+ y x) 2) (sqrt y))
  1
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (/ (+ y x) (cbrt y)) 2) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ (+ y x) 2) (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 (/ (sqrt (+ y x)) 2))
  (/ (+ y y) (+ y x))
  (/ (+ y y) (+ y x))
  (/ (/ (+ y x) (pow y 3)) 2)
  (/ (+ y x) 0)
  (* (+ (* (- x y) x) (* y y)) (+ y y))
  (* (- y x) (+ y y))
  (* 1/2 (+ 1 (/ x y)))
  (* 1/2 (+ 1 (/ x y)))
  (* 1/2 (+ 1 (/ x y)))
2.707 * * * [progress]: adding candidates to table
2.918 * * [progress]: iteration 2 / 4
2.918 * * * [progress]: picking best candidate
2.922 * * * * [pick]: Picked  #<alt (λ (x y) (* 1/2 (+ 1 (/ x y))))>
2.922 * * * [progress]: localizing error
2.929 * * * [progress]: generating rewritten candidates
2.930 * * * [progress]: generating series expansions
2.930 * * * [progress]: simplifying candidates
2.930 * [simplify]: Simplifying:
  
2.930 * * [simplify]: iteration 0: 0 enodes
2.930 * * [simplify]: iteration complete: 0 enodes
2.930 * * [simplify]: Extracting #0: cost 0 inf + 0
2.930 * [simplify]: Simplified to:
  
2.930 * * * [progress]: adding candidates to table
2.930 * [progress]: [Phase 3 of 3] Extracting.
2.933 * [simplify]: Simplifying:
  (* 1/2 (+ 1 (/ x y)))
2.933 * * [simplify]: iteration 0: 7 enodes
2.933 * * [simplify]: iteration 1: 11 enodes
2.934 * * [simplify]: iteration complete: 11 enodes
2.934 * * [simplify]: Extracting #0: cost 1 inf + 0
2.934 * * [simplify]: Extracting #1: cost 3 inf + 0
2.934 * * [simplify]: Extracting #2: cost 4 inf + 1
2.934 * * [simplify]: Extracting #3: cost 5 inf + 2
2.934 * * [simplify]: Extracting #4: cost 0 inf + 19
2.934 * [simplify]: Simplified to:
  (* (+ 1 (/ x y)) 1/2)
4.351 * [regime-testing]: Baseline error score: 0.033577317477274805
4.353 * [regime-testing]: Oracle error score: 0.033577317477274805
4.353 * [regime-testing]: End program error score: 0.033577317477274805
4.452 * [regime-testing]: Target error score: 0.033577317477274805