49.663 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying:
  (/ (+ x y) (+ y y))
0.020 * * [simplify]: iteration 0: 5 enodes
0.021 * * [simplify]: iteration 1: 8 enodes
0.022 * * [simplify]: iteration 2: 11 enodes
0.023 * * [simplify]: iteration 3: 13 enodes
0.026 * * [simplify]: iteration complete: 13 enodes
0.026 * * [simplify]: Extracting #0: cost 1 inf + 0
0.026 * * [simplify]: Extracting #1: cost 7 inf + 0
0.026 * * [simplify]: Extracting #2: cost 5 inf + 43
0.026 * * [simplify]: Extracting #3: cost 4 inf + 44
0.026 * * [simplify]: Extracting #4: cost 0 inf + 373
0.026 * [simplify]: Simplified to:
  (/ (+ y x) (+ y y))
0.027 * * [progress]: iteration 1 / 4
0.027 * * * [progress]: picking best candidate
0.033 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (+ y y)))>
0.033 * * * [progress]: localizing error
0.046 * * * [progress]: generating rewritten candidates
0.046 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.082 * * * [progress]: generating series expansions
0.082 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.082 * [backup-simplify]: Simplify (/ (+ x y) (+ y y)) into (* 1/2 (/ (+ x y) y))
0.082 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (x y) around 0
0.082 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.082 * [taylor]: Taking taylor expansion of 1/2 in y
0.082 * [backup-simplify]: Simplify 1/2 into 1/2
0.082 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.082 * [taylor]: Taking taylor expansion of (+ x y) in y
0.082 * [taylor]: Taking taylor expansion of x in y
0.082 * [backup-simplify]: Simplify x into x
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify (+ x 0) into x
0.083 * [backup-simplify]: Simplify (/ x 1) into x
0.083 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.083 * [taylor]: Taking taylor expansion of 1/2 in x
0.083 * [backup-simplify]: Simplify 1/2 into 1/2
0.083 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.083 * [taylor]: Taking taylor expansion of (+ x y) in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 1 into 1
0.083 * [taylor]: Taking taylor expansion of y in x
0.083 * [backup-simplify]: Simplify y into y
0.083 * [taylor]: Taking taylor expansion of y in x
0.083 * [backup-simplify]: Simplify y into y
0.083 * [backup-simplify]: Simplify (+ 0 y) into y
0.083 * [backup-simplify]: Simplify (/ y y) into 1
0.083 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.083 * [taylor]: Taking taylor expansion of 1/2 in x
0.083 * [backup-simplify]: Simplify 1/2 into 1/2
0.083 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.083 * [taylor]: Taking taylor expansion of (+ x y) in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 1 into 1
0.083 * [taylor]: Taking taylor expansion of y in x
0.083 * [backup-simplify]: Simplify y into y
0.083 * [taylor]: Taking taylor expansion of y in x
0.083 * [backup-simplify]: Simplify y into y
0.083 * [backup-simplify]: Simplify (+ 0 y) into y
0.083 * [backup-simplify]: Simplify (/ y y) into 1
0.084 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
0.084 * [taylor]: Taking taylor expansion of 1/2 in y
0.084 * [backup-simplify]: Simplify 1/2 into 1/2
0.084 * [backup-simplify]: Simplify (+ 1 0) into 1
0.084 * [backup-simplify]: Simplify (- (/ 1 y) (+ (* 1 (/ 0 y)))) into (/ 1 y)
0.085 * [backup-simplify]: Simplify (+ (* 1/2 (/ 1 y)) (* 0 1)) into (* 1/2 (/ 1 y))
0.085 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.085 * [taylor]: Taking taylor expansion of 1/2 in y
0.085 * [backup-simplify]: Simplify 1/2 into 1/2
0.085 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (/ 1 1) into 1
0.085 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
0.085 * [backup-simplify]: Simplify 1/2 into 1/2
0.085 * [backup-simplify]: Simplify 1/2 into 1/2
0.086 * [backup-simplify]: Simplify (+ 0 0) into 0
0.086 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* 1 (/ 0 y)) (* (/ 1 y) (/ 0 y)))) into 0
0.086 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 (/ 1 y)) (* 0 1))) into 0
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (+ 0 0) into 0
0.088 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* 1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.089 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 1)))) into 0
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.090 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (+ 0 0) into 0
0.090 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* 1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.091 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 1))))) into 0
0.091 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ 1/2 (* 1/2 (* (/ 1 y) x))) into (+ (* 1/2 (/ x y)) 1/2)
0.092 * [backup-simplify]: Simplify (/ (+ (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 y))) into (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y))
0.092 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in (x y) around 0
0.092 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.092 * [taylor]: Taking taylor expansion of 1/2 in y
0.092 * [backup-simplify]: Simplify 1/2 into 1/2
0.092 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.092 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.092 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.092 * [taylor]: Taking taylor expansion of x in y
0.092 * [backup-simplify]: Simplify x into x
0.092 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.092 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.092 * [taylor]: Taking taylor expansion of y in y
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (/ 1 1) into 1
0.092 * [taylor]: Taking taylor expansion of y in y
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 1 into 1
0.092 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.092 * [taylor]: Taking taylor expansion of 1/2 in x
0.092 * [backup-simplify]: Simplify 1/2 into 1/2
0.092 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.092 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 1 into 1
0.093 * [backup-simplify]: Simplify (/ 1 1) into 1
0.093 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [backup-simplify]: Simplify y into y
0.093 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [backup-simplify]: Simplify y into y
0.093 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) 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) (/ 1 y)) y) in x
0.093 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.093 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 1 into 1
0.093 * [backup-simplify]: Simplify (/ 1 1) into 1
0.093 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [backup-simplify]: Simplify y into y
0.093 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [backup-simplify]: Simplify y into y
0.094 * [backup-simplify]: Simplify (+ 1 0) into 1
0.094 * [backup-simplify]: Simplify (* 1 y) into y
0.094 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
0.094 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.094 * [taylor]: Taking taylor expansion of 1/2 in y
0.094 * [backup-simplify]: Simplify 1/2 into 1/2
0.094 * [taylor]: Taking taylor expansion of y in y
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.094 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.095 * [backup-simplify]: Simplify (+ (* 1 0) (* (/ 1 y) y)) into 1
0.095 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 y)) into 1/2
0.095 * [taylor]: Taking taylor expansion of 1/2 in y
0.095 * [backup-simplify]: Simplify 1/2 into 1/2
0.095 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.095 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.096 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.096 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (* 0 y))) into 0
0.098 * [backup-simplify]: Simplify (+ (* 1/2 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 1/2 into 1/2
0.099 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.099 * [backup-simplify]: Simplify 1/2 into 1/2
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.100 * [backup-simplify]: Simplify (+ 0 0) into 0
0.101 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 y)))) into 0
0.102 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 y)))) into 0
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.105 * [backup-simplify]: Simplify (+ 0 0) into 0
0.105 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.113 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 y))))) into 0
0.113 * [taylor]: Taking taylor expansion of 0 in y
0.113 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 y) (/ 1 (/ 1 x)))) 1/2) into (+ (* 1/2 (/ x y)) 1/2)
0.114 * [backup-simplify]: Simplify (/ (+ (/ 1 (- x)) (/ 1 (- y))) (+ (/ 1 (- y)) (/ 1 (- y)))) into (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y))
0.114 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in (x y) around 0
0.114 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.114 * [taylor]: Taking taylor expansion of 1/2 in y
0.114 * [backup-simplify]: Simplify 1/2 into 1/2
0.114 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.114 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [backup-simplify]: Simplify x into x
0.115 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.115 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.115 * [taylor]: Taking taylor expansion of y in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [backup-simplify]: Simplify (/ 1 1) into 1
0.115 * [taylor]: Taking taylor expansion of y in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.115 * [taylor]: Taking taylor expansion of 1/2 in x
0.115 * [backup-simplify]: Simplify 1/2 into 1/2
0.115 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.116 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (/ 1 1) into 1
0.116 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [backup-simplify]: Simplify y into y
0.116 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [backup-simplify]: Simplify y into y
0.116 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.116 * [taylor]: Taking taylor expansion of 1/2 in x
0.116 * [backup-simplify]: Simplify 1/2 into 1/2
0.116 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.116 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.117 * [backup-simplify]: Simplify (/ 1 1) into 1
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.117 * [taylor]: Taking taylor expansion of y in x
0.117 * [backup-simplify]: Simplify y into y
0.117 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.117 * [taylor]: Taking taylor expansion of y in x
0.117 * [backup-simplify]: Simplify y into y
0.117 * [backup-simplify]: Simplify (+ 1 0) into 1
0.117 * [backup-simplify]: Simplify (* 1 y) into y
0.117 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
0.117 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.117 * [taylor]: Taking taylor expansion of 1/2 in y
0.117 * [backup-simplify]: Simplify 1/2 into 1/2
0.117 * [taylor]: Taking taylor expansion of y in y
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.118 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.118 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.118 * [backup-simplify]: Simplify (+ (* 1 0) (* (/ 1 y) y)) into 1
0.119 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 y)) into 1/2
0.119 * [taylor]: Taking taylor expansion of 1/2 in y
0.119 * [backup-simplify]: Simplify 1/2 into 1/2
0.119 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.119 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.120 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.120 * [backup-simplify]: Simplify (+ 0 0) into 0
0.120 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (* 0 y))) into 0
0.121 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 y))) into 0
0.121 * [taylor]: Taking taylor expansion of 0 in y
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1/2 into 1/2
0.121 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.121 * [backup-simplify]: Simplify 1/2 into 1/2
0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.122 * [backup-simplify]: Simplify (+ 0 0) into 0
0.123 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 y)))) into 0
0.124 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 y)))) into 0
0.124 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.125 * [backup-simplify]: Simplify (+ 0 0) into 0
0.126 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.127 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 y))))) into 0
0.127 * [taylor]: Taking taylor expansion of 0 in y
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (+ (* 1/2 (* (/ 1 (- y)) (/ 1 (/ 1 (- x))))) 1/2) into (+ (* 1/2 (/ x y)) 1/2)
0.128 * * * [progress]: simplifying candidates
0.129 * [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)
0.130 * * [simplify]: iteration 0: 112 enodes
0.154 * * [simplify]: iteration 1: 234 enodes
0.229 * * [simplify]: iteration 2: 767 enodes
1.104 * * [simplify]: iteration 3: 4902 enodes
2.500 * * [simplify]: iteration complete: 5000 enodes
2.500 * * [simplify]: Extracting #0: cost 67 inf + 0
2.501 * * [simplify]: Extracting #1: cost 623 inf + 2
2.506 * * [simplify]: Extracting #2: cost 1222 inf + 19894
2.551 * * [simplify]: Extracting #3: cost 722 inf + 167664
2.618 * * [simplify]: Extracting #4: cost 36 inf + 258452
2.704 * * [simplify]: Extracting #5: cost 6 inf + 262841
2.756 * * [simplify]: Extracting #6: cost 0 inf + 265067
2.853 * [simplify]: Simplified to:
  (log (/ (+ x y) (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (exp (/ (+ x y) (+ y y)))
  (* (/ (+ x y) (+ y y)) (* (/ (+ x y) (+ y y)) (/ (+ x 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)))
  (- (+ y x))
  (* -2 y)
  (* (/ (cbrt (+ x y)) (cbrt (+ y y))) (/ (cbrt (+ x 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)))
  (/ (cbrt (+ x y)) (+ y y))
  (* (/ (cbrt (+ x y)) (cbrt y)) (/ (cbrt (+ x y)) (cbrt y)))
  (/ (cbrt (+ x y)) (+ (cbrt y) (cbrt y)))
  (/ (cbrt (+ x y)) (/ (sqrt y) (cbrt (+ x y))))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (cbrt y))
  (/ (cbrt (+ x y)) (* (+ (cbrt y) (cbrt y)) (cbrt y)))
  (/ (cbrt (+ x y)) (/ (sqrt y) (cbrt (+ x y))))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (cbrt (+ x y)) (/ y (cbrt (+ x y))))
  (/ (cbrt (+ x y)) 2)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (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))
  (/ (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))
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (sqrt (+ x 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)) 2)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (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
  (/ (+ 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
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (+ x y) (cbrt y)) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) 2)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ 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
  (/ (+ 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
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (/ (+ x y) (cbrt y)) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) 2)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  (/ 1/2 y)
  (/ (+ y y) (+ x y))
  (/ (/ (+ x y) (cbrt (+ y y))) (cbrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  (+ x y)
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (+ x y)
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (/ (+ x y) 2)
  (/ (+ x y) 2)
  (/ (+ x y) 2)
  (/ (+ y y) (cbrt (+ x y)))
  (/ (+ y y) (sqrt (+ x y)))
  (/ (+ y y) (+ x y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (* (+ y y) (* y y)))
  (/ (+ x y) 0)
  (+ (* y (+ (* y y) (* x (- x y)))) (* y (+ (* y y) (* x (- x y)))))
  (* y (+ (- x y) (- x y)))
  (+ 1/2 (/ (* 1/2 x) y))
  (+ 1/2 (/ (* 1/2 x) y))
  (+ 1/2 (/ (* 1/2 x) y))
2.863 * * * [progress]: adding candidates to table
3.192 * * [progress]: iteration 2 / 4
3.192 * * * [progress]: picking best candidate
3.199 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))>
3.199 * * * [progress]: localizing error
3.215 * * * [progress]: generating rewritten candidates
3.215 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
3.240 * * * [progress]: generating series expansions
3.240 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
3.240 * [backup-simplify]: Simplify (* 1/2 (/ x y)) into (* 1/2 (/ x y))
3.240 * [approximate]: Taking taylor expansion of (* 1/2 (/ x y)) in (x y) around 0
3.240 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
3.240 * [taylor]: Taking taylor expansion of 1/2 in y
3.240 * [backup-simplify]: Simplify 1/2 into 1/2
3.241 * [taylor]: Taking taylor expansion of (/ x y) in y
3.241 * [taylor]: Taking taylor expansion of x in y
3.241 * [backup-simplify]: Simplify x into x
3.241 * [taylor]: Taking taylor expansion of y in y
3.241 * [backup-simplify]: Simplify 0 into 0
3.241 * [backup-simplify]: Simplify 1 into 1
3.241 * [backup-simplify]: Simplify (/ x 1) into x
3.241 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
3.241 * [taylor]: Taking taylor expansion of 1/2 in x
3.241 * [backup-simplify]: Simplify 1/2 into 1/2
3.241 * [taylor]: Taking taylor expansion of (/ x y) in x
3.241 * [taylor]: Taking taylor expansion of x in x
3.241 * [backup-simplify]: Simplify 0 into 0
3.241 * [backup-simplify]: Simplify 1 into 1
3.241 * [taylor]: Taking taylor expansion of y in x
3.241 * [backup-simplify]: Simplify y into y
3.241 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.241 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
3.241 * [taylor]: Taking taylor expansion of 1/2 in x
3.241 * [backup-simplify]: Simplify 1/2 into 1/2
3.241 * [taylor]: Taking taylor expansion of (/ x y) in x
3.241 * [taylor]: Taking taylor expansion of x in x
3.241 * [backup-simplify]: Simplify 0 into 0
3.241 * [backup-simplify]: Simplify 1 into 1
3.241 * [taylor]: Taking taylor expansion of y in x
3.241 * [backup-simplify]: Simplify y into y
3.241 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.241 * [backup-simplify]: Simplify (* 1/2 (/ 1 y)) into (/ 1/2 y)
3.241 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
3.241 * [taylor]: Taking taylor expansion of 1/2 in y
3.241 * [backup-simplify]: Simplify 1/2 into 1/2
3.241 * [taylor]: Taking taylor expansion of y in y
3.242 * [backup-simplify]: Simplify 0 into 0
3.242 * [backup-simplify]: Simplify 1 into 1
3.242 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
3.242 * [backup-simplify]: Simplify 1/2 into 1/2
3.243 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
3.243 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 (/ 1 y))) into 0
3.243 * [taylor]: Taking taylor expansion of 0 in y
3.243 * [backup-simplify]: Simplify 0 into 0
3.244 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
3.244 * [backup-simplify]: Simplify 0 into 0
3.244 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.245 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
3.245 * [taylor]: Taking taylor expansion of 0 in y
3.245 * [backup-simplify]: Simplify 0 into 0
3.245 * [backup-simplify]: Simplify 0 into 0
3.245 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.245 * [backup-simplify]: Simplify 0 into 0
3.246 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.246 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
3.246 * [taylor]: Taking taylor expansion of 0 in y
3.247 * [backup-simplify]: Simplify 0 into 0
3.247 * [backup-simplify]: Simplify 0 into 0
3.247 * [backup-simplify]: Simplify 0 into 0
3.247 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.247 * [backup-simplify]: Simplify 0 into 0
3.247 * [backup-simplify]: Simplify (* 1/2 (* (/ 1 y) x)) into (* 1/2 (/ x y))
3.247 * [backup-simplify]: Simplify (* 1/2 (/ (/ 1 x) (/ 1 y))) into (* 1/2 (/ y x))
3.247 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (x y) around 0
3.247 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
3.247 * [taylor]: Taking taylor expansion of 1/2 in y
3.247 * [backup-simplify]: Simplify 1/2 into 1/2
3.247 * [taylor]: Taking taylor expansion of (/ y x) in y
3.248 * [taylor]: Taking taylor expansion of y in y
3.248 * [backup-simplify]: Simplify 0 into 0
3.248 * [backup-simplify]: Simplify 1 into 1
3.248 * [taylor]: Taking taylor expansion of x in y
3.248 * [backup-simplify]: Simplify x into x
3.248 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.248 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
3.248 * [taylor]: Taking taylor expansion of 1/2 in x
3.248 * [backup-simplify]: Simplify 1/2 into 1/2
3.248 * [taylor]: Taking taylor expansion of (/ y x) in x
3.248 * [taylor]: Taking taylor expansion of y in x
3.248 * [backup-simplify]: Simplify y into y
3.248 * [taylor]: Taking taylor expansion of x in x
3.248 * [backup-simplify]: Simplify 0 into 0
3.248 * [backup-simplify]: Simplify 1 into 1
3.248 * [backup-simplify]: Simplify (/ y 1) into y
3.248 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
3.248 * [taylor]: Taking taylor expansion of 1/2 in x
3.248 * [backup-simplify]: Simplify 1/2 into 1/2
3.248 * [taylor]: Taking taylor expansion of (/ y x) in x
3.248 * [taylor]: Taking taylor expansion of y in x
3.248 * [backup-simplify]: Simplify y into y
3.248 * [taylor]: Taking taylor expansion of x in x
3.248 * [backup-simplify]: Simplify 0 into 0
3.248 * [backup-simplify]: Simplify 1 into 1
3.248 * [backup-simplify]: Simplify (/ y 1) into y
3.248 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
3.248 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
3.248 * [taylor]: Taking taylor expansion of 1/2 in y
3.248 * [backup-simplify]: Simplify 1/2 into 1/2
3.248 * [taylor]: Taking taylor expansion of y in y
3.248 * [backup-simplify]: Simplify 0 into 0
3.248 * [backup-simplify]: Simplify 1 into 1
3.249 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
3.249 * [backup-simplify]: Simplify 1/2 into 1/2
3.249 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0
3.250 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 y)) into 0
3.250 * [taylor]: Taking taylor expansion of 0 in y
3.250 * [backup-simplify]: Simplify 0 into 0
3.250 * [backup-simplify]: Simplify 0 into 0
3.250 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
3.250 * [backup-simplify]: Simplify 0 into 0
3.251 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.252 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 y))) into 0
3.252 * [taylor]: Taking taylor expansion of 0 in y
3.252 * [backup-simplify]: Simplify 0 into 0
3.252 * [backup-simplify]: Simplify 0 into 0
3.252 * [backup-simplify]: Simplify 0 into 0
3.252 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
3.253 * [backup-simplify]: Simplify 0 into 0
3.254 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.255 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
3.255 * [taylor]: Taking taylor expansion of 0 in y
3.255 * [backup-simplify]: Simplify 0 into 0
3.255 * [backup-simplify]: Simplify 0 into 0
3.255 * [backup-simplify]: Simplify (* 1/2 (* (/ 1 y) (/ 1 (/ 1 x)))) into (* 1/2 (/ x y))
3.255 * [backup-simplify]: Simplify (* 1/2 (/ (/ 1 (- x)) (/ 1 (- y)))) into (* 1/2 (/ y x))
3.255 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (x y) around 0
3.255 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
3.255 * [taylor]: Taking taylor expansion of 1/2 in y
3.255 * [backup-simplify]: Simplify 1/2 into 1/2
3.255 * [taylor]: Taking taylor expansion of (/ y x) in y
3.255 * [taylor]: Taking taylor expansion of y in y
3.255 * [backup-simplify]: Simplify 0 into 0
3.255 * [backup-simplify]: Simplify 1 into 1
3.255 * [taylor]: Taking taylor expansion of x in y
3.255 * [backup-simplify]: Simplify x into x
3.255 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.255 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
3.255 * [taylor]: Taking taylor expansion of 1/2 in x
3.255 * [backup-simplify]: Simplify 1/2 into 1/2
3.255 * [taylor]: Taking taylor expansion of (/ y x) in x
3.255 * [taylor]: Taking taylor expansion of y in x
3.255 * [backup-simplify]: Simplify y into y
3.255 * [taylor]: Taking taylor expansion of x in x
3.255 * [backup-simplify]: Simplify 0 into 0
3.255 * [backup-simplify]: Simplify 1 into 1
3.255 * [backup-simplify]: Simplify (/ y 1) into y
3.255 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
3.255 * [taylor]: Taking taylor expansion of 1/2 in x
3.255 * [backup-simplify]: Simplify 1/2 into 1/2
3.255 * [taylor]: Taking taylor expansion of (/ y x) in x
3.255 * [taylor]: Taking taylor expansion of y in x
3.255 * [backup-simplify]: Simplify y into y
3.255 * [taylor]: Taking taylor expansion of x in x
3.255 * [backup-simplify]: Simplify 0 into 0
3.255 * [backup-simplify]: Simplify 1 into 1
3.255 * [backup-simplify]: Simplify (/ y 1) into y
3.256 * [backup-simplify]: Simplify (* 1/2 y) into (* 1/2 y)
3.256 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
3.256 * [taylor]: Taking taylor expansion of 1/2 in y
3.256 * [backup-simplify]: Simplify 1/2 into 1/2
3.256 * [taylor]: Taking taylor expansion of y in y
3.256 * [backup-simplify]: Simplify 0 into 0
3.256 * [backup-simplify]: Simplify 1 into 1
3.256 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
3.256 * [backup-simplify]: Simplify 1/2 into 1/2
3.257 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0
3.257 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 y)) into 0
3.257 * [taylor]: Taking taylor expansion of 0 in y
3.257 * [backup-simplify]: Simplify 0 into 0
3.257 * [backup-simplify]: Simplify 0 into 0
3.258 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
3.258 * [backup-simplify]: Simplify 0 into 0
3.259 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.259 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 y))) into 0
3.259 * [taylor]: Taking taylor expansion of 0 in y
3.259 * [backup-simplify]: Simplify 0 into 0
3.259 * [backup-simplify]: Simplify 0 into 0
3.259 * [backup-simplify]: Simplify 0 into 0
3.260 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
3.260 * [backup-simplify]: Simplify 0 into 0
3.261 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.262 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
3.262 * [taylor]: Taking taylor expansion of 0 in y
3.262 * [backup-simplify]: Simplify 0 into 0
3.262 * [backup-simplify]: Simplify 0 into 0
3.262 * [backup-simplify]: Simplify (* 1/2 (* (/ 1 (- y)) (/ 1 (/ 1 (- x))))) into (* 1/2 (/ x y))
3.263 * * * [progress]: simplifying candidates
3.263 * [simplify]: Simplifying:
  (* 1/2 (/ x y))
  (+ (log 1/2) (- (log x) (log y)))
  (+ (log 1/2) (log (/ x y)))
  (log (* 1/2 (/ x y)))
  (exp (* 1/2 (/ x y)))
  (* (* (* 1/2 1/2) 1/2) (/ (* (* x x) x) (* (* y y) y)))
  (* (* (* 1/2 1/2) 1/2) (* (* (/ x y) (/ x y)) (/ x y)))
  (* (cbrt (* 1/2 (/ x y))) (cbrt (* 1/2 (/ x y))))
  (cbrt (* 1/2 (/ x y)))
  (* (* (* 1/2 (/ x y)) (* 1/2 (/ x y))) (* 1/2 (/ x y)))
  (sqrt (* 1/2 (/ x y)))
  (sqrt (* 1/2 (/ x y)))
  (* (sqrt 1/2) (sqrt (/ x y)))
  (* (sqrt 1/2) (sqrt (/ x y)))
  (* (sqrt 1/2) (/ (sqrt x) (sqrt y)))
  (* (sqrt 1/2) (/ (sqrt x) (sqrt y)))
  (* 1/2 (* (cbrt (/ x y)) (cbrt (/ x y))))
  (* 1/2 (sqrt (/ x y)))
  (* 1/2 (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))))
  (* 1/2 (/ (* (cbrt x) (cbrt x)) (sqrt y)))
  (* 1/2 (/ (* (cbrt x) (cbrt x)) 1))
  (* 1/2 (/ (sqrt x) (* (cbrt y) (cbrt y))))
  (* 1/2 (/ (sqrt x) (sqrt y)))
  (* 1/2 (/ (sqrt x) 1))
  (* 1/2 (/ 1 (* (cbrt y) (cbrt y))))
  (* 1/2 (/ 1 (sqrt y)))
  (* 1/2 (/ 1 1))
  (* 1/2 1)
  (* 1/2 x)
  (* (cbrt 1/2) (/ x y))
  (* (sqrt 1/2) (/ x y))
  (* 1/2 (/ x y))
  (* 1/2 x)
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
3.264 * * [simplify]: iteration 0: 68 enodes
3.282 * * [simplify]: iteration 1: 178 enodes
3.337 * * [simplify]: iteration 2: 572 enodes
3.823 * * [simplify]: iteration 3: 2504 enodes
5.107 * * [simplify]: iteration complete: 5000 enodes
5.107 * * [simplify]: Extracting #0: cost 23 inf + 0
5.111 * * [simplify]: Extracting #1: cost 922 inf + 1
5.123 * * [simplify]: Extracting #2: cost 1379 inf + 10153
5.172 * * [simplify]: Extracting #3: cost 388 inf + 176825
5.226 * * [simplify]: Extracting #4: cost 28 inf + 251774
5.293 * * [simplify]: Extracting #5: cost 2 inf + 258101
5.346 * * [simplify]: Extracting #6: cost 0 inf + 258798
5.394 * [simplify]: Simplified to:
  (* (/ x y) 1/2)
  (log (* (/ x y) 1/2))
  (log (* (/ x y) 1/2))
  (log (* (/ x y) 1/2))
  (sqrt (exp (/ x y)))
  (* (* (/ x y) (/ x y)) (* 1/8 (/ x y)))
  (* (* (/ x y) (/ x y)) (* 1/8 (/ x y)))
  (* (cbrt (* (/ x y) 1/2)) (cbrt (* (/ x y) 1/2)))
  (cbrt (* (/ x y) 1/2))
  (* (* (/ x y) (/ x y)) (* 1/8 (/ x y)))
  (sqrt (* (/ x y) 1/2))
  (sqrt (* (/ x y) 1/2))
  (* (sqrt 1/2) (sqrt (/ x y)))
  (* (sqrt 1/2) (sqrt (/ x y)))
  (* (/ (sqrt 1/2) (sqrt y)) (sqrt x))
  (* (/ (sqrt 1/2) (sqrt y)) (sqrt x))
  (* (cbrt (/ x y)) (* (cbrt (/ x y)) 1/2))
  (* (sqrt (/ x y)) 1/2)
  (* 1/2 (* (/ (cbrt x) (cbrt y)) (/ (cbrt x) (cbrt y))))
  (* (* 1/2 (/ (cbrt x) (sqrt y))) (cbrt x))
  (* (* 1/2 (cbrt x)) (cbrt x))
  (* (/ 1/2 (cbrt y)) (/ (sqrt x) (cbrt y)))
  (/ (sqrt x) (/ (sqrt y) 1/2))
  (* 1/2 (sqrt x))
  (/ 1/2 (* (cbrt y) (cbrt y)))
  (/ 1/2 (sqrt y))
  1/2
  1/2
  (* 1/2 x)
  (* (/ (cbrt 1/2) y) x)
  (/ x (/ y (sqrt 1/2)))
  (* (/ x y) 1/2)
  (* 1/2 x)
  (* (/ x y) 1/2)
  (* (/ x y) 1/2)
  (* (/ x y) 1/2)
5.396 * * * [progress]: adding candidates to table
5.577 * [progress]: [Phase 3 of 3] Extracting.
5.581 * [simplify]: Simplifying:
  (+ (* 1/2 (/ x y)) 1/2)
5.581 * * [simplify]: iteration 0: 6 enodes
5.582 * * [simplify]: iteration 1: 8 enodes
5.582 * * [simplify]: iteration complete: 8 enodes
5.582 * * [simplify]: Extracting #0: cost 1 inf + 0
5.582 * * [simplify]: Extracting #1: cost 3 inf + 0
5.582 * * [simplify]: Extracting #2: cost 3 inf + 1
5.582 * * [simplify]: Extracting #3: cost 5 inf + 1
5.583 * * [simplify]: Extracting #4: cost 0 inf + 251
5.583 * [simplify]: Simplified to:
  (+ 1/2 (* (/ x y) 1/2))
6.656 * [regime-testing]: Baseline error score: 0.009074254594414447
6.665 * [regime-testing]: Oracle error score: 0.009074254594414447
6.665 * [regime-testing]: End program error score: 0.009074254594414447
6.764 * [regime-testing]: Target error score: 0.009074254594414447