27.683 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying:
  (/ (* x y) (+ y 1.0))
0.019 * * [simplify]: Extracting # 0 : cost  0
0.019 * * [simplify]: Extracting # 1 : cost  0
0.019 * * [simplify]: Extracting # 2 : cost  0
0.019 * * [simplify]: Extracting # 3 : cost  0
0.019 * * [simplify]: Extracting # 4 : cost  0
0.019 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.020 * * [simplify]: Extracting # 0 : cost  0
0.020 * * [simplify]: Extracting # 1 : cost  0
0.020 * * [simplify]: Extracting # 2 : cost  0
0.020 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.022 * * [simplify]: Extracting # 0 : cost  0
0.022 * * [simplify]: Extracting # 1 : cost  0
0.022 * * [simplify]: Extracting # 2 : cost  0
0.022 * * [simplify]: iteration  2 :  14  enodes  (cost  7 )
0.024 * * [simplify]: Extracting # 0 : cost  0
0.024 * * [simplify]: Extracting # 1 : cost  0
0.024 * * [simplify]: Extracting # 2 : cost  0
0.024 * * [simplify]: iteration  3 :  17  enodes  (cost  7 )
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: iteration  4 :  18  enodes  (cost  7 )
0.032 * * [simplify]: Extracting # 0 : cost  0
0.032 * * [simplify]: iteration done:  18  enodes  (cost  7 )
0.032 * [simplify]: Simplified to:
  (/ (* x y) (+ y 1.0))
0.033 * * [progress]: iteration 1 / 4
0.033 * * * [progress]: picking best candidate
0.036 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x y) (+ y 1.0)))>
0.036 * * * [progress]: localizing error
0.048 * * * [progress]: generating rewritten candidates
0.048 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.081 * * * [progress]: generating series expansions
0.081 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.081 * [backup-simplify]: Simplify (/ (* x y) (+ y 1.0)) into (/ (* x y) (+ y 1.0))
0.081 * [approximate]: Taking taylor expansion of (/ (* x y) (+ y 1.0)) in (x y) around 0
0.081 * [taylor]: Taking taylor expansion of (/ (* x y) (+ y 1.0)) in y
0.081 * [taylor]: Taking taylor expansion of (* x y) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [backup-simplify]: Simplify x into x
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.081 * [taylor]: Taking taylor expansion of (+ y 1.0) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.081 * [taylor]: Taking taylor expansion of 1.0 in y
0.081 * [backup-simplify]: Simplify 1.0 into 1.0
0.081 * [backup-simplify]: Simplify (* x 0) into 0
0.082 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.082 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.082 * [backup-simplify]: Simplify (/ x 1.0) into (* 1.0 x)
0.082 * [taylor]: Taking taylor expansion of (/ (* x y) (+ y 1.0)) in x
0.082 * [taylor]: Taking taylor expansion of (* x y) in x
0.082 * [taylor]: Taking taylor expansion of x in x
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 x
0.082 * [backup-simplify]: Simplify y into y
0.082 * [taylor]: Taking taylor expansion of (+ y 1.0) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [backup-simplify]: Simplify y into y
0.082 * [taylor]: Taking taylor expansion of 1.0 in x
0.082 * [backup-simplify]: Simplify 1.0 into 1.0
0.082 * [backup-simplify]: Simplify (* 0 y) into 0
0.083 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.083 * [backup-simplify]: Simplify (+ y 1.0) into (+ y 1.0)
0.083 * [backup-simplify]: Simplify (/ y (+ y 1.0)) into (/ y (+ y 1.0))
0.083 * [taylor]: Taking taylor expansion of (/ (* x y) (+ y 1.0)) 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 1.0) in x
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 1.0 in x
0.083 * [backup-simplify]: Simplify 1.0 into 1.0
0.083 * [backup-simplify]: Simplify (* 0 y) into 0
0.083 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.083 * [backup-simplify]: Simplify (+ y 1.0) into (+ y 1.0)
0.083 * [backup-simplify]: Simplify (/ y (+ y 1.0)) into (/ y (+ y 1.0))
0.083 * [taylor]: Taking taylor expansion of (/ y (+ y 1.0)) in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.084 * [taylor]: Taking taylor expansion of (+ y 1.0) in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.084 * [taylor]: Taking taylor expansion of 1.0 in y
0.084 * [backup-simplify]: Simplify 1.0 into 1.0
0.084 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.084 * [backup-simplify]: Simplify (/ 1 1.0) into 1.0
0.084 * [backup-simplify]: Simplify 1.0 into 1.0
0.085 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.085 * [backup-simplify]: Simplify (+ 0 0) into 0
0.085 * [backup-simplify]: Simplify (- (/ 0 (+ y 1.0)) (+ (* (/ y (+ y 1.0)) (/ 0 (+ y 1.0))))) into 0
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (+ 1 0) into 1
0.087 * [backup-simplify]: Simplify (- (/ 0 1.0) (+ (* 1.0 (/ 1 1.0)))) into (- 1.0)
0.088 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.088 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.089 * [backup-simplify]: Simplify (+ 0 0) into 0
0.089 * [backup-simplify]: Simplify (- (/ 0 (+ y 1.0)) (+ (* (/ y (+ y 1.0)) (/ 0 (+ y 1.0))) (* 0 (/ 0 (+ y 1.0))))) 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 0 into 0
0.089 * [backup-simplify]: Simplify (+ 0 0) into 0
0.092 * [backup-simplify]: Simplify (- (/ 0 1.0) (+ (* 1.0 (/ 0 1.0)) (* (- 1.0) (/ 1 1.0)))) into 1.0
0.092 * [backup-simplify]: Simplify 1.0 into 1.0
0.093 * [backup-simplify]: Simplify (+ (* 1.0 (* (pow y 3) x)) (+ (* (- 1.0) (* (pow y 2) x)) (* 1.0 (* y x)))) into (- (+ (* 1.0 (* x y)) (* 1.0 (* x (pow y 3)))) (* 1.0 (* x (pow y 2))))
0.093 * [backup-simplify]: Simplify (/ (* (/ 1 x) (/ 1 y)) (+ (/ 1 y) 1.0)) into (/ 1 (* x (* (+ (/ 1 y) 1.0) y)))
0.093 * [approximate]: Taking taylor expansion of (/ 1 (* x (* (+ (/ 1 y) 1.0) y))) in (x y) around 0
0.093 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (+ (/ 1 y) 1.0) y))) in y
0.093 * [taylor]: Taking taylor expansion of (* x (* (+ (/ 1 y) 1.0) y)) in y
0.093 * [taylor]: Taking taylor expansion of x in y
0.093 * [backup-simplify]: Simplify x into x
0.093 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) 1.0) y) in y
0.093 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.093 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.093 * [taylor]: Taking taylor expansion of y in y
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 1.0 in y
0.094 * [backup-simplify]: Simplify 1.0 into 1.0
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) into 1
0.094 * [backup-simplify]: Simplify (* 1 0) into 0
0.094 * [backup-simplify]: Simplify (* x 0) into 0
0.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.095 * [backup-simplify]: Simplify (+ (* 1 1) (* 1.0 0)) into 1
0.096 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.096 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.096 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (+ (/ 1 y) 1.0) y))) in x
0.096 * [taylor]: Taking taylor expansion of (* x (* (+ (/ 1 y) 1.0) y)) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 1 into 1
0.096 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) 1.0) y) in x
0.096 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.096 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [backup-simplify]: Simplify y into y
0.096 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.096 * [taylor]: Taking taylor expansion of 1.0 in x
0.096 * [backup-simplify]: Simplify 1.0 into 1.0
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [backup-simplify]: Simplify y into y
0.096 * [backup-simplify]: Simplify (+ (/ 1 y) 1.0) into (+ (/ 1 y) 1.0)
0.096 * [backup-simplify]: Simplify (* (+ (/ 1 y) 1.0) y) into (* (+ (/ 1 y) 1.0) y)
0.097 * [backup-simplify]: Simplify (* 0 (* (+ (/ 1 y) 1.0) y)) into 0
0.097 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.097 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [backup-simplify]: Simplify (+ (* (+ (/ 1 y) 1.0) 0) (* 0 y)) into 0
0.098 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (* (+ (/ 1 y) 1.0) y))) into (+ (* 1.0 y) 1)
0.098 * [backup-simplify]: Simplify (/ 1 (+ (* 1.0 y) 1)) into (/ 1 (+ (* 1.0 y) 1))
0.098 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (+ (/ 1 y) 1.0) y))) in x
0.098 * [taylor]: Taking taylor expansion of (* x (* (+ (/ 1 y) 1.0) y)) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) 1.0) y) in x
0.098 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.098 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.098 * [taylor]: Taking taylor expansion of 1.0 in x
0.098 * [backup-simplify]: Simplify 1.0 into 1.0
0.099 * [taylor]: Taking taylor expansion of y in x
0.099 * [backup-simplify]: Simplify y into y
0.099 * [backup-simplify]: Simplify (+ (/ 1 y) 1.0) into (+ (/ 1 y) 1.0)
0.099 * [backup-simplify]: Simplify (* (+ (/ 1 y) 1.0) y) into (* (+ (/ 1 y) 1.0) y)
0.099 * [backup-simplify]: Simplify (* 0 (* (+ (/ 1 y) 1.0) y)) into 0
0.099 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.100 * [backup-simplify]: Simplify (+ 0 0) into 0
0.100 * [backup-simplify]: Simplify (+ (* (+ (/ 1 y) 1.0) 0) (* 0 y)) into 0
0.100 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (* (+ (/ 1 y) 1.0) y))) into (+ (* 1.0 y) 1)
0.100 * [backup-simplify]: Simplify (/ 1 (+ (* 1.0 y) 1)) into (/ 1 (+ (* 1.0 y) 1))
0.101 * [taylor]: Taking taylor expansion of (/ 1 (+ (* 1.0 y) 1)) in y
0.101 * [taylor]: Taking taylor expansion of (+ (* 1.0 y) 1) in y
0.101 * [taylor]: Taking taylor expansion of (* 1.0 y) in y
0.101 * [taylor]: Taking taylor expansion of 1.0 in y
0.101 * [backup-simplify]: Simplify 1.0 into 1.0
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [taylor]: Taking taylor expansion of 1 in y
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [backup-simplify]: Simplify (* 1.0 0) into 0
0.102 * [backup-simplify]: Simplify (+ 0 1) into 1
0.102 * [backup-simplify]: Simplify (/ 1 1) into 1
0.102 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.103 * [backup-simplify]: Simplify (+ 0 0) into 0
0.103 * [backup-simplify]: Simplify (+ (* (+ (/ 1 y) 1.0) 0) (+ (* 0 0) (* 0 y))) into 0
0.104 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (* (+ (/ 1 y) 1.0) y)))) into 0
0.105 * [backup-simplify]: Simplify (- (+ (* (/ 1 (+ (* 1.0 y) 1)) (/ 0 (+ (* 1.0 y) 1))))) into 0
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
0.107 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.109 * [backup-simplify]: Simplify (- (+ (* 1 (/ 1.0 1)))) into (- 1.0)
0.110 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.110 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.111 * [backup-simplify]: Simplify (+ 0 0) into 0
0.112 * [backup-simplify]: Simplify (+ (* (+ (/ 1 y) 1.0) 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.113 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (* (+ (/ 1 y) 1.0) y))))) into 0
0.113 * [backup-simplify]: Simplify (- (+ (* (/ 1 (+ (* 1.0 y) 1)) (/ 0 (+ (* 1.0 y) 1))) (* 0 (/ 0 (+ (* 1.0 y) 1))))) into 0
0.113 * [taylor]: Taking taylor expansion of 0 in y
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
0.115 * [backup-simplify]: Simplify (+ 0 0) into 0
0.120 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* (- 1.0) (/ 1.0 1)))) into 1.0
0.120 * [backup-simplify]: Simplify 1.0 into 1.0
0.121 * [backup-simplify]: Simplify (+ (* 1.0 (* (pow (/ 1 y) 2) (/ 1 (/ 1 x)))) (+ (* (- 1.0) (* (/ 1 y) (/ 1 (/ 1 x)))) (* 1 (* 1 (/ 1 (/ 1 x)))))) into (- (+ x (* 1.0 (/ x (pow y 2)))) (* 1.0 (/ x y)))
0.121 * [backup-simplify]: Simplify (/ (* (/ 1 (- x)) (/ 1 (- y))) (+ (/ 1 (- y)) 1.0)) into (/ 1 (* x (* (- 1.0 (/ 1 y)) y)))
0.121 * [approximate]: Taking taylor expansion of (/ 1 (* x (* (- 1.0 (/ 1 y)) y))) in (x y) around 0
0.122 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (- 1.0 (/ 1 y)) y))) in y
0.122 * [taylor]: Taking taylor expansion of (* x (* (- 1.0 (/ 1 y)) y)) in y
0.122 * [taylor]: Taking taylor expansion of x in y
0.122 * [backup-simplify]: Simplify x into x
0.122 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 y)) y) in y
0.122 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
0.122 * [taylor]: Taking taylor expansion of 1.0 in y
0.122 * [backup-simplify]: Simplify 1.0 into 1.0
0.122 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.122 * [taylor]: Taking taylor expansion of y in y
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (/ 1 1) into 1
0.122 * [taylor]: Taking taylor expansion of y in y
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 1 into 1
0.123 * [backup-simplify]: Simplify (- 1) into -1
0.123 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.124 * [backup-simplify]: Simplify (* -1 0) into 0
0.124 * [backup-simplify]: Simplify (* x 0) into 0
0.125 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify (- 0) into 0
0.126 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.127 * [backup-simplify]: Simplify (+ (* -1 1) (* 1.0 0)) into -1
0.127 * [backup-simplify]: Simplify (+ (* x -1) (* 0 0)) into (- x)
0.128 * [backup-simplify]: Simplify (/ 1 (- x)) into (/ -1 x)
0.128 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (- 1.0 (/ 1 y)) y))) in x
0.128 * [taylor]: Taking taylor expansion of (* x (* (- 1.0 (/ 1 y)) y)) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 1 into 1
0.128 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 y)) y) in x
0.128 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
0.128 * [taylor]: Taking taylor expansion of 1.0 in x
0.128 * [backup-simplify]: Simplify 1.0 into 1.0
0.128 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [backup-simplify]: Simplify y into y
0.128 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [backup-simplify]: Simplify y into y
0.128 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.128 * [backup-simplify]: Simplify (+ 1.0 (- (/ 1 y))) into (- 1.0 (/ 1 y))
0.128 * [backup-simplify]: Simplify (* (- 1.0 (/ 1 y)) y) into (* y (- 1.0 (/ 1 y)))
0.129 * [backup-simplify]: Simplify (* 0 (* y (- 1.0 (/ 1 y)))) into 0
0.129 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.129 * [backup-simplify]: Simplify (- 0) into 0
0.130 * [backup-simplify]: Simplify (+ 0 0) into 0
0.130 * [backup-simplify]: Simplify (+ (* (- 1.0 (/ 1 y)) 0) (* 0 y)) into 0
0.131 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (* y (- 1.0 (/ 1 y))))) into (- (* 1.0 y) 1)
0.131 * [backup-simplify]: Simplify (/ 1 (- (* 1.0 y) 1)) into (/ 1 (- (* 1.0 y) 1))
0.131 * [taylor]: Taking taylor expansion of (/ 1 (* x (* (- 1.0 (/ 1 y)) y))) in x
0.131 * [taylor]: Taking taylor expansion of (* x (* (- 1.0 (/ 1 y)) y)) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify 1 into 1
0.131 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 y)) y) in x
0.131 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
0.131 * [taylor]: Taking taylor expansion of 1.0 in x
0.131 * [backup-simplify]: Simplify 1.0 into 1.0
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [backup-simplify]: Simplify y into y
0.131 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [backup-simplify]: Simplify y into y
0.131 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.131 * [backup-simplify]: Simplify (+ 1.0 (- (/ 1 y))) into (- 1.0 (/ 1 y))
0.132 * [backup-simplify]: Simplify (* (- 1.0 (/ 1 y)) y) into (* y (- 1.0 (/ 1 y)))
0.132 * [backup-simplify]: Simplify (* 0 (* y (- 1.0 (/ 1 y)))) into 0
0.132 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.132 * [backup-simplify]: Simplify (- 0) into 0
0.133 * [backup-simplify]: Simplify (+ 0 0) into 0
0.133 * [backup-simplify]: Simplify (+ (* (- 1.0 (/ 1 y)) 0) (* 0 y)) into 0
0.134 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (* y (- 1.0 (/ 1 y))))) into (- (* 1.0 y) 1)
0.134 * [backup-simplify]: Simplify (/ 1 (- (* 1.0 y) 1)) into (/ 1 (- (* 1.0 y) 1))
0.134 * [taylor]: Taking taylor expansion of (/ 1 (- (* 1.0 y) 1)) in y
0.134 * [taylor]: Taking taylor expansion of (- (* 1.0 y) 1) in y
0.134 * [taylor]: Taking taylor expansion of (* 1.0 y) in y
0.134 * [taylor]: Taking taylor expansion of 1.0 in y
0.134 * [backup-simplify]: Simplify 1.0 into 1.0
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 1 into 1
0.134 * [taylor]: Taking taylor expansion of 1 in y
0.134 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify (* 1.0 0) into 0
0.135 * [backup-simplify]: Simplify (- 1) into -1
0.136 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.136 * [backup-simplify]: Simplify (/ 1 -1) into -1
0.137 * [backup-simplify]: Simplify -1 into -1
0.137 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.137 * [backup-simplify]: Simplify (- 0) into 0
0.138 * [backup-simplify]: Simplify (+ 0 0) into 0
0.138 * [backup-simplify]: Simplify (+ (* (- 1.0 (/ 1 y)) 0) (+ (* 0 0) (* 0 y))) into 0
0.139 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (* y (- 1.0 (/ 1 y)))))) into 0
0.140 * [backup-simplify]: Simplify (- (+ (* (/ 1 (- (* 1.0 y) 1)) (/ 0 (- (* 1.0 y) 1))))) into 0
0.140 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
0.142 * [backup-simplify]: Simplify (- 0) into 0
0.142 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.145 * [backup-simplify]: Simplify (- (+ (* -1 (/ 1.0 -1)))) into (- 1.0)
0.145 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.146 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.146 * [backup-simplify]: Simplify (- 0) into 0
0.146 * [backup-simplify]: Simplify (+ 0 0) into 0
0.147 * [backup-simplify]: Simplify (+ (* (- 1.0 (/ 1 y)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.149 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (* y (- 1.0 (/ 1 y))))))) into 0
0.149 * [backup-simplify]: Simplify (- (+ (* (/ 1 (- (* 1.0 y) 1)) (/ 0 (- (* 1.0 y) 1))) (* 0 (/ 0 (- (* 1.0 y) 1))))) into 0
0.149 * [taylor]: Taking taylor expansion of 0 in y
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
0.151 * [backup-simplify]: Simplify (- 0) into 0
0.152 * [backup-simplify]: Simplify (+ 0 0) into 0
0.156 * [backup-simplify]: Simplify (- (+ (* -1 (/ 0 -1)) (* (- 1.0) (/ 1.0 -1)))) into (- 1.0)
0.157 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.158 * [backup-simplify]: Simplify (+ (* (- 1.0) (* (pow (/ 1 (- y)) 2) (/ 1 (/ 1 (- x))))) (+ (* (- 1.0) (* (/ 1 (- y)) (/ 1 (/ 1 (- x))))) (* -1 (* 1 (/ 1 (/ 1 (- x))))))) into (- (+ x (* 1.0 (/ x (pow y 2)))) (* 1.0 (/ x y)))
0.158 * * * [progress]: simplifying candidates
0.159 * [simplify]: Simplifying:
  (expm1 (/ (* x y) (+ y 1.0)))
  (log1p (/ (* x y) (+ y 1.0)))
  (- (+ (log x) (log y)) (log (+ y 1.0)))
  (- (log (* x y)) (log (+ y 1.0)))
  (log (/ (* x y) (+ y 1.0)))
  (exp (/ (* x y) (+ y 1.0)))
  (/ (* (* (* x x) x) (* (* y y) y)) (* (* (+ y 1.0) (+ y 1.0)) (+ y 1.0)))
  (/ (* (* (* x y) (* x y)) (* x y)) (* (* (+ y 1.0) (+ y 1.0)) (+ y 1.0)))
  (* (cbrt (/ (* x y) (+ y 1.0))) (cbrt (/ (* x y) (+ y 1.0))))
  (cbrt (/ (* x y) (+ y 1.0)))
  (* (* (/ (* x y) (+ y 1.0)) (/ (* x y) (+ y 1.0))) (/ (* x y) (+ y 1.0)))
  (sqrt (/ (* x y) (+ y 1.0)))
  (sqrt (/ (* x y) (+ y 1.0)))
  (- (* x y))
  (- (+ y 1.0))
  (/ x (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (/ y (cbrt (+ y 1.0)))
  (/ x (sqrt (+ y 1.0)))
  (/ y (sqrt (+ y 1.0)))
  (/ x 1)
  (/ y (+ y 1.0))
  (/ x 1)
  (/ y (+ y 1.0))
  (/ 1 (+ y 1.0))
  (/ (+ y 1.0) (* x y))
  (/ (* x y) (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (/ (* x y) (sqrt (+ y 1.0)))
  (/ (* x y) 1)
  (/ (* x y) 1)
  (/ (+ y 1.0) y)
  (/ (* x y) (+ (pow y 3) (pow 1.0 3)))
  (/ (* x y) (- (* y y) (* 1.0 1.0)))
  (- (+ (* 1.0 (* x y)) (* 1.0 (* x (pow y 3)))) (* 1.0 (* x (pow y 2))))
  (- (+ x (* 1.0 (/ x (pow y 2)))) (* 1.0 (/ x y)))
  (- (+ x (* 1.0 (/ x (pow y 2)))) (* 1.0 (/ x y)))
0.161 * * [simplify]: Extracting # 0 : cost  0
0.161 * * [simplify]: Extracting # 1 : cost  0
0.161 * * [simplify]: Extracting # 2 : cost  0
0.161 * * [simplify]: Extracting # 3 : cost  0
0.162 * * [simplify]: Extracting # 4 : cost  0
0.162 * * [simplify]: Extracting # 5 : cost  0
0.162 * * [simplify]: Extracting # 6 : cost  0
0.162 * * [simplify]: Extracting # 7 : cost  0
0.162 * * [simplify]: iteration  0 :  74  enodes  (cost  335 )
0.200 * * [simplify]: Extracting # 0 : cost  0
0.201 * * [simplify]: Extracting # 1 : cost  0
0.201 * * [simplify]: Extracting # 2 : cost  0
0.202 * * [simplify]: Extracting # 3 : cost  0
0.202 * * [simplify]: Extracting # 4 : cost  0
0.203 * * [simplify]: iteration  1 :  197  enodes  (cost  320 )
0.359 * * [simplify]: Extracting # 0 : cost  0
0.361 * * [simplify]: Extracting # 1 : cost  0
0.362 * * [simplify]: Extracting # 2 : cost  0
0.364 * * [simplify]: Extracting # 3 : cost  0
0.365 * * [simplify]: Extracting # 4 : cost  0
0.366 * * [simplify]: iteration  2 :  690  enodes  (cost  272 )
1.279 * * [simplify]: Extracting # 0 : cost  0
1.297 * * [simplify]: Extracting # 1 : cost  0
1.304 * * [simplify]: Extracting # 2 : cost  0
1.310 * * [simplify]: Extracting # 3 : cost  0
1.316 * * [simplify]: Extracting # 4 : cost  0
1.322 * * [simplify]: iteration  3 :  2778  enodes  (cost  266 )
2.824 * * [simplify]: Extracting # 0 : cost  0
2.841 * * [simplify]: Extracting # 1 : cost  0
2.853 * * [simplify]: Extracting # 2 : cost  0
2.865 * * [simplify]: iteration done:  5000  enodes  (cost  263 )
2.866 * [simplify]: Simplified to:
  (expm1 (/ (* x y) (+ y 1.0)))
  (log1p (/ (* x y) (+ y 1.0)))
  (log (/ (* x y) (+ y 1.0)))
  (log (/ (* x y) (+ y 1.0)))
  (log (/ (* x y) (+ y 1.0)))
  (exp (/ (* x y) (+ y 1.0)))
  (pow (/ (* x y) (+ y 1.0)) 3)
  (pow (/ (* x y) (+ y 1.0)) 3)
  (* (cbrt (/ (* x y) (+ y 1.0))) (cbrt (/ (* x y) (+ y 1.0))))
  (cbrt (/ (* x y) (+ y 1.0)))
  (pow (/ (* x y) (+ y 1.0)) 3)
  (sqrt (/ (* x y) (+ y 1.0)))
  (sqrt (/ (* x y) (+ y 1.0)))
  (- (* x y))
  (- (+ y 1.0))
  (/ x (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (/ y (cbrt (+ y 1.0)))
  (/ x (sqrt (+ y 1.0)))
  (/ y (sqrt (+ y 1.0)))
  x
  (/ y (+ y 1.0))
  x
  (/ y (+ y 1.0))
  (/ 1 (+ y 1.0))
  (/ (+ y 1.0) (* x y))
  (/ (* x y) (* (cbrt (+ y 1.0)) (cbrt (+ y 1.0))))
  (/ (* x y) (sqrt (+ y 1.0)))
  (* x y)
  (* x y)
  (/ (+ y 1.0) y)
  (/ (* x y) (+ (pow y 3) (pow 1.0 3)))
  (/ (* x y) (- (* y y) (* 1.0 1.0)))
  (* (* 1.0 x) (fma y (- (* y y) y) y))
  (fma (/ x y) (- (/ 1.0 y) 1.0) x)
  (fma (/ x y) (- (/ 1.0 y) 1.0) x)
2.866 * * * [progress]: adding candidates to table
2.965 * * [progress]: iteration 2 / 4
2.965 * * * [progress]: picking best candidate
2.968 * * * * [pick]: Picked  #<alt (λ (x y) (* x (/ y (+ y 1.0))))>
2.968 * * * [progress]: localizing error
2.980 * * * [progress]: generating rewritten candidates
2.980 * * * [progress]: generating series expansions
2.981 * * * [progress]: simplifying candidates
2.981 * [simplify]: Simplifying:
  
2.981 * * [simplify]: Extracting # 0 : cost  0
2.981 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.981 * * [simplify]: Extracting # 0 : cost  0
2.981 * * [simplify]: iteration done:  0  enodes  (cost  0 )
2.981 * [simplify]: Simplified to:
  
2.981 * * * [progress]: adding candidates to table
2.982 * [progress]: [Phase 3 of 3] Extracting.
2.985 * [simplify]: Simplifying:
  (* x (/ y (+ y 1.0)))
2.985 * * [simplify]: Extracting # 0 : cost  0
2.985 * * [simplify]: Extracting # 1 : cost  0
2.985 * * [simplify]: Extracting # 2 : cost  0
2.985 * * [simplify]: Extracting # 3 : cost  0
2.986 * * [simplify]: Extracting # 4 : cost  0
2.986 * * [simplify]: Extracting # 5 : cost  0
2.986 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
2.986 * * [simplify]: Extracting # 0 : cost  0
2.986 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
2.987 * * [simplify]: Extracting # 0 : cost  0
2.987 * * [simplify]: iteration done:  8  enodes  (cost  7 )
2.987 * [simplify]: Simplified to:
  (* x (/ y (+ y 1.0)))
3.805 * [regime-testing]: Baseline error score: 0.01675209401175147
3.808 * [regime-testing]: Oracle error score: 0.01675209401175147
3.808 * [regime-testing]: End program error score: 0.01675209401175147
3.843 * [regime-testing]: Target error score: 0.02508773404319098