2.503 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying:
  (+ (+ (/ x 2.0) (* y x)) z)
0.020 * * [simplify]: Extracting # 0 : cost  0
0.020 * * [simplify]: Extracting # 1 : cost  0
0.020 * * [simplify]: Extracting # 2 : cost  0
0.020 * * [simplify]: Extracting # 3 : cost  0
0.020 * * [simplify]: Extracting # 4 : cost  0
0.020 * * [simplify]: Extracting # 5 : cost  0
0.020 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.021 * * [simplify]: Extracting # 0 : cost  0
0.021 * * [simplify]: Extracting # 1 : cost  0
0.021 * * [simplify]: Extracting # 2 : cost  0
0.021 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.023 * * [simplify]: Extracting # 0 : cost  0
0.023 * * [simplify]: Extracting # 1 : cost  0
0.023 * * [simplify]: Extracting # 2 : cost  0
0.023 * * [simplify]: iteration  2 :  19  enodes  (cost  9 )
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: iteration  3 :  21  enodes  (cost  9 )
0.036 * * [simplify]: Extracting # 0 : cost  0
0.036 * * [simplify]: iteration done:  21  enodes  (cost  9 )
0.036 * [simplify]: Simplified to:
  (+ (+ (/ x 2.0) (* y x)) z)
0.036 * * [progress]: iteration 1 / 4
0.036 * * * [progress]: picking best candidate
0.038 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))>
0.038 * * * [progress]: localizing error
0.051 * * * [progress]: generating rewritten candidates
0.051 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.069 * * * [progress]: generating series expansions
0.069 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.070 * [backup-simplify]: Simplify (+ (/ x 2.0) (* y x)) into (+ (* 0.5 x) (* x y))
0.070 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in (x y) around 0
0.070 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in y
0.070 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.070 * [taylor]: Taking taylor expansion of 0.5 in y
0.070 * [backup-simplify]: Simplify 0.5 into 0.5
0.070 * [taylor]: Taking taylor expansion of x in y
0.070 * [backup-simplify]: Simplify x into x
0.070 * [taylor]: Taking taylor expansion of (* x y) in y
0.070 * [taylor]: Taking taylor expansion of x in y
0.070 * [backup-simplify]: Simplify x into x
0.070 * [taylor]: Taking taylor expansion of y in y
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.070 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.070 * [taylor]: Taking taylor expansion of 0.5 in x
0.070 * [backup-simplify]: Simplify 0.5 into 0.5
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [taylor]: Taking taylor expansion of (* x y) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [taylor]: Taking taylor expansion of y in x
0.070 * [backup-simplify]: Simplify y into y
0.070 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.070 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.070 * [taylor]: Taking taylor expansion of 0.5 in x
0.070 * [backup-simplify]: Simplify 0.5 into 0.5
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [taylor]: Taking taylor expansion of (* x y) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [taylor]: Taking taylor expansion of y in x
0.070 * [backup-simplify]: Simplify y into y
0.071 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.071 * [backup-simplify]: Simplify (* 0 y) into 0
0.071 * [backup-simplify]: Simplify (+ 0 0) into 0
0.071 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.072 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.072 * [backup-simplify]: Simplify (+ 0.5 y) into (+ y 0.5)
0.072 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 1 into 1
0.072 * [taylor]: Taking taylor expansion of 0.5 in y
0.072 * [backup-simplify]: Simplify 0.5 into 0.5
0.073 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.073 * [backup-simplify]: Simplify 0.5 into 0.5
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.074 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.074 * [backup-simplify]: Simplify (+ 0 0) into 0
0.074 * [taylor]: Taking taylor expansion of 0 in y
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify (+ 1 0) into 1
0.074 * [backup-simplify]: Simplify 1 into 1
0.074 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.076 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.076 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.078 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify (+ (* 1 (* y x)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* x y))
0.078 * [backup-simplify]: Simplify (+ (/ (/ 1 x) 2.0) (* (/ 1 y) (/ 1 x))) into (+ (/ 1 (* x y)) (* 0.5 (/ 1 x)))
0.079 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.079 * [taylor]: Taking taylor expansion of (* x y) in y
0.079 * [taylor]: Taking taylor expansion of x in y
0.079 * [backup-simplify]: Simplify x into x
0.079 * [taylor]: Taking taylor expansion of y in y
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [backup-simplify]: Simplify (* x 0) into 0
0.079 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.079 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.079 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.079 * [taylor]: Taking taylor expansion of 0.5 in y
0.079 * [backup-simplify]: Simplify 0.5 into 0.5
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.079 * [taylor]: Taking taylor expansion of x in y
0.079 * [backup-simplify]: Simplify x into x
0.079 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.079 * [taylor]: Taking taylor expansion of (* x y) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [backup-simplify]: Simplify y into y
0.079 * [backup-simplify]: Simplify (* 0 y) into 0
0.080 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.080 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.080 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.080 * [taylor]: Taking taylor expansion of 0.5 in x
0.080 * [backup-simplify]: Simplify 0.5 into 0.5
0.080 * [taylor]: Taking taylor expansion of (/ 1 x) 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 * [backup-simplify]: Simplify (/ 1 1) into 1
0.080 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.080 * [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 * [backup-simplify]: Simplify (* 0 y) into 0
0.080 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.080 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.080 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.080 * [taylor]: Taking taylor expansion of 0.5 in x
0.080 * [backup-simplify]: Simplify 0.5 into 0.5
0.080 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (/ 1 1) into 1
0.081 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.081 * [backup-simplify]: Simplify (+ (/ 1 y) 0.5) into (+ (/ 1 y) 0.5)
0.081 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (/ 1 1) into 1
0.082 * [taylor]: Taking taylor expansion of 0.5 in y
0.082 * [backup-simplify]: Simplify 0.5 into 0.5
0.082 * [backup-simplify]: Simplify (+ 1 0) into 1
0.082 * [backup-simplify]: Simplify 1 into 1
0.083 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.083 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.084 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.084 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.085 * [backup-simplify]: Simplify (+ 0 0) into 0
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.086 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.086 * [backup-simplify]: Simplify 0.5 into 0.5
0.087 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.087 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.088 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.089 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.090 * [backup-simplify]: Simplify (+ 0 0) into 0
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.091 * [backup-simplify]: Simplify (+ 0 0) into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.093 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (+ 0 0) into 0
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.096 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
0.099 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) into (+ (* 0.5 x) (* x y))
0.102 * [backup-simplify]: Simplify (+ (/ (/ 1 (- x)) 2.0) (* (/ 1 (- y)) (/ 1 (- x)))) into (- (/ 1 (* x y)) (* 0.5 (/ 1 x)))
0.102 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.102 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.102 * [taylor]: Taking taylor expansion of (* x y) in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [backup-simplify]: Simplify x into x
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
0.102 * [backup-simplify]: Simplify (* x 0) into 0
0.103 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.103 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.103 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.103 * [taylor]: Taking taylor expansion of 0.5 in y
0.103 * [backup-simplify]: Simplify 0.5 into 0.5
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 (* x y)) (* 0.5 (/ 1 x))) in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.103 * [taylor]: Taking taylor expansion of (* x y) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 1 into 1
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [backup-simplify]: Simplify y into y
0.103 * [backup-simplify]: Simplify (* 0 y) into 0
0.104 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.104 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.104 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.104 * [taylor]: Taking taylor expansion of 0.5 in x
0.104 * [backup-simplify]: Simplify 0.5 into 0.5
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 1 into 1
0.104 * [backup-simplify]: Simplify (/ 1 1) into 1
0.104 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.104 * [taylor]: Taking taylor expansion of (* x y) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 1 into 1
0.105 * [taylor]: Taking taylor expansion of y in x
0.105 * [backup-simplify]: Simplify y into y
0.105 * [backup-simplify]: Simplify (* 0 y) into 0
0.105 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.105 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.105 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.105 * [taylor]: Taking taylor expansion of 0.5 in x
0.105 * [backup-simplify]: Simplify 0.5 into 0.5
0.105 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 1 into 1
0.106 * [backup-simplify]: Simplify (/ 1 1) into 1
0.106 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.107 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.107 * [backup-simplify]: Simplify (+ (/ 1 y) (- 0.5)) into (- (/ 1 y) 0.5)
0.107 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.107 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.107 * [taylor]: Taking taylor expansion of y in y
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 * [taylor]: Taking taylor expansion of 0.5 in y
0.108 * [backup-simplify]: Simplify 0.5 into 0.5
0.108 * [backup-simplify]: Simplify (+ 1 0) into 1
0.108 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.109 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.110 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.111 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.111 * [backup-simplify]: Simplify (- 0) into 0
0.111 * [backup-simplify]: Simplify (+ 0 0) into 0
0.111 * [taylor]: Taking taylor expansion of 0 in y
0.111 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.113 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.113 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.114 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.115 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.115 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.116 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.118 * [backup-simplify]: Simplify (- 0) into 0
0.118 * [backup-simplify]: Simplify (+ 0 0) into 0
0.118 * [taylor]: Taking taylor expansion of 0 in y
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify (- 0) into 0
0.119 * [backup-simplify]: Simplify (+ 0 0) into 0
0.119 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.121 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (- 0) into 0
0.123 * [backup-simplify]: Simplify (+ 0 0) into 0
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.123 * [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 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify (- 0) into 0
0.125 * [backup-simplify]: Simplify (+ 0 0) into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
0.127 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.129 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.129 * [backup-simplify]: Simplify (- 0) into 0
0.130 * [backup-simplify]: Simplify (+ 0 0) into 0
0.130 * [taylor]: Taking taylor expansion of 0 in y
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (+ (* 0.5 x) (* x y))
0.131 * * * [progress]: simplifying candidates
0.131 * [simplify]: Simplifying:
  (* (exp (/ x 2.0)) (exp (* y x)))
  (log (+ (/ x 2.0) (* y x)))
  (exp (+ (/ x 2.0) (* y x)))
  (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x))))
  (cbrt (+ (/ x 2.0) (* y x)))
  (* (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (+ (pow (/ x 2.0) 3) (pow (* y x) 3))
  (+ (* (/ x 2.0) (/ x 2.0)) (- (* (* y x) (* y x)) (* (/ x 2.0) (* y x))))
  (- (* (/ x 2.0) (/ x 2.0)) (* (* y x) (* y x)))
  (- (/ x 2.0) (* y x))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
0.132 * * [simplify]: Extracting # 0 : cost  0
0.132 * * [simplify]: Extracting # 1 : cost  0
0.132 * * [simplify]: Extracting # 2 : cost  0
0.132 * * [simplify]: Extracting # 3 : cost  0
0.132 * * [simplify]: Extracting # 4 : cost  0
0.132 * * [simplify]: Extracting # 5 : cost  0
0.132 * * [simplify]: iteration  0 :  31  enodes  (cost  166 )
0.145 * * [simplify]: Extracting # 0 : cost  0
0.146 * * [simplify]: Extracting # 1 : cost  0
0.146 * * [simplify]: Extracting # 2 : cost  0
0.146 * * [simplify]: Extracting # 3 : cost  0
0.146 * * [simplify]: Extracting # 4 : cost  0
0.147 * * [simplify]: iteration  1 :  94  enodes  (cost  161 )
0.196 * * [simplify]: Extracting # 0 : cost  0
0.197 * * [simplify]: Extracting # 1 : cost  0
0.197 * * [simplify]: Extracting # 2 : cost  0
0.198 * * [simplify]: Extracting # 3 : cost  0
0.198 * * [simplify]: Extracting # 4 : cost  0
0.199 * * [simplify]: Extracting # 5 : cost  0
0.199 * * [simplify]: iteration  2 :  291  enodes  (cost  141 )
0.321 * * [simplify]: Extracting # 0 : cost  0
0.323 * * [simplify]: Extracting # 1 : cost  0
0.325 * * [simplify]: Extracting # 2 : cost  0
0.332 * * [simplify]: Extracting # 3 : cost  0
0.333 * * [simplify]: Extracting # 4 : cost  0
0.334 * * [simplify]: iteration  3 :  730  enodes  (cost  141 )
0.864 * * [simplify]: Extracting # 0 : cost  0
0.868 * * [simplify]: Extracting # 1 : cost  0
0.871 * * [simplify]: Extracting # 2 : cost  0
0.875 * * [simplify]: Extracting # 3 : cost  0
0.878 * * [simplify]: Extracting # 4 : cost  0
0.881 * * [simplify]: iteration  4 :  1845  enodes  (cost  137 )
3.174 * * [simplify]: Extracting # 0 : cost  0
3.180 * * [simplify]: Extracting # 1 : cost  0
3.186 * * [simplify]: Extracting # 2 : cost  0
3.191 * * [simplify]: Extracting # 3 : cost  0
3.197 * * [simplify]: Extracting # 4 : cost  0
3.202 * * [simplify]: iteration done:  5000  enodes  (cost  137 )
3.202 * [simplify]: Simplified to:
  (exp (+ (/ x 2.0) (* y x)))
  (log (+ (/ x 2.0) (* y x)))
  (exp (+ (/ x 2.0) (* y x)))
  (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x))))
  (cbrt (+ (/ x 2.0) (* y x)))
  (pow (+ (/ x 2.0) (* y x)) 3)
  (sqrt (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (+ (pow (/ x 2.0) 3) (pow (* y x) 3))
  (* x (+ (/ (/ x 2.0) 2.0) (* y (- (* y x) (/ x 2.0)))))
  (* x (- (/ (/ x 2.0) 2.0) (* (* y y) x)))
  (- (/ x 2.0) (* y x))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
3.203 * * * [progress]: adding candidates to table
3.253 * * [progress]: iteration 2 / 4
3.253 * * * [progress]: picking best candidate
3.255 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* x (+ y 0.5)) z))>
3.255 * * * [progress]: localizing error
3.261 * * * [progress]: generating rewritten candidates
3.261 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
3.295 * * * [progress]: generating series expansions
3.295 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
3.296 * [backup-simplify]: Simplify (* x (+ y 0.5)) into (* x (+ y 0.5))
3.296 * [approximate]: Taking taylor expansion of (* x (+ y 0.5)) in (x y) around 0
3.296 * [taylor]: Taking taylor expansion of (* x (+ y 0.5)) in y
3.296 * [taylor]: Taking taylor expansion of x in y
3.296 * [backup-simplify]: Simplify x into x
3.296 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
3.296 * [taylor]: Taking taylor expansion of y in y
3.296 * [backup-simplify]: Simplify 0 into 0
3.296 * [backup-simplify]: Simplify 1 into 1
3.296 * [taylor]: Taking taylor expansion of 0.5 in y
3.296 * [backup-simplify]: Simplify 0.5 into 0.5
3.296 * [taylor]: Taking taylor expansion of (* x (+ y 0.5)) in x
3.296 * [taylor]: Taking taylor expansion of x in x
3.296 * [backup-simplify]: Simplify 0 into 0
3.296 * [backup-simplify]: Simplify 1 into 1
3.296 * [taylor]: Taking taylor expansion of (+ y 0.5) in x
3.296 * [taylor]: Taking taylor expansion of y in x
3.296 * [backup-simplify]: Simplify y into y
3.296 * [taylor]: Taking taylor expansion of 0.5 in x
3.296 * [backup-simplify]: Simplify 0.5 into 0.5
3.296 * [taylor]: Taking taylor expansion of (* x (+ y 0.5)) in x
3.296 * [taylor]: Taking taylor expansion of x in x
3.296 * [backup-simplify]: Simplify 0 into 0
3.296 * [backup-simplify]: Simplify 1 into 1
3.296 * [taylor]: Taking taylor expansion of (+ y 0.5) in x
3.296 * [taylor]: Taking taylor expansion of y in x
3.296 * [backup-simplify]: Simplify y into y
3.296 * [taylor]: Taking taylor expansion of 0.5 in x
3.296 * [backup-simplify]: Simplify 0.5 into 0.5
3.297 * [backup-simplify]: Simplify (+ y 0.5) into (+ y 0.5)
3.297 * [backup-simplify]: Simplify (* 0 (+ y 0.5)) into 0
3.297 * [taylor]: Taking taylor expansion of 0 in y
3.297 * [backup-simplify]: Simplify 0 into 0
3.297 * [backup-simplify]: Simplify 0 into 0
3.297 * [backup-simplify]: Simplify (+ 0 0) into 0
3.298 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (+ y 0.5))) into (+ y 0.5)
3.298 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
3.298 * [taylor]: Taking taylor expansion of y in y
3.298 * [backup-simplify]: Simplify 0 into 0
3.298 * [backup-simplify]: Simplify 1 into 1
3.298 * [taylor]: Taking taylor expansion of 0.5 in y
3.298 * [backup-simplify]: Simplify 0.5 into 0.5
3.298 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
3.298 * [backup-simplify]: Simplify 0.5 into 0.5
3.298 * [backup-simplify]: Simplify 0 into 0
3.299 * [backup-simplify]: Simplify (+ 0 0) into 0
3.300 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (+ y 0.5)))) into 0
3.300 * [taylor]: Taking taylor expansion of 0 in y
3.300 * [backup-simplify]: Simplify 0 into 0
3.300 * [backup-simplify]: Simplify 0 into 0
3.300 * [backup-simplify]: Simplify (+ 1 0) into 1
3.300 * [backup-simplify]: Simplify 1 into 1
3.300 * [backup-simplify]: Simplify 0 into 0
3.301 * [backup-simplify]: Simplify (+ 0 0) into 0
3.302 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (+ y 0.5))))) into 0
3.302 * [taylor]: Taking taylor expansion of 0 in y
3.302 * [backup-simplify]: Simplify 0 into 0
3.302 * [backup-simplify]: Simplify 0 into 0
3.302 * [backup-simplify]: Simplify 0 into 0
3.302 * [backup-simplify]: Simplify (+ 0 0) into 0
3.302 * [backup-simplify]: Simplify 0 into 0
3.302 * [backup-simplify]: Simplify 0 into 0
3.303 * [backup-simplify]: Simplify (+ 0 0) into 0
3.310 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ y 0.5)))))) into 0
3.310 * [taylor]: Taking taylor expansion of 0 in y
3.310 * [backup-simplify]: Simplify 0 into 0
3.310 * [backup-simplify]: Simplify 0 into 0
3.310 * [backup-simplify]: Simplify (+ (* 1 (* y x)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* x y))
3.311 * [backup-simplify]: Simplify (* (/ 1 x) (+ (/ 1 y) 0.5)) into (/ (+ (/ 1 y) 0.5) x)
3.311 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in (x y) around 0
3.311 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in y
3.311 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
3.311 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.311 * [taylor]: Taking taylor expansion of y in y
3.311 * [backup-simplify]: Simplify 0 into 0
3.311 * [backup-simplify]: Simplify 1 into 1
3.311 * [backup-simplify]: Simplify (/ 1 1) into 1
3.311 * [taylor]: Taking taylor expansion of 0.5 in y
3.311 * [backup-simplify]: Simplify 0.5 into 0.5
3.311 * [taylor]: Taking taylor expansion of x in y
3.311 * [backup-simplify]: Simplify x into x
3.312 * [backup-simplify]: Simplify (+ 1 0) into 1
3.312 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.312 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in x
3.312 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in x
3.312 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.312 * [taylor]: Taking taylor expansion of y in x
3.312 * [backup-simplify]: Simplify y into y
3.312 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.312 * [taylor]: Taking taylor expansion of 0.5 in x
3.312 * [backup-simplify]: Simplify 0.5 into 0.5
3.312 * [taylor]: Taking taylor expansion of x in x
3.312 * [backup-simplify]: Simplify 0 into 0
3.312 * [backup-simplify]: Simplify 1 into 1
3.312 * [backup-simplify]: Simplify (+ (/ 1 y) 0.5) into (+ (/ 1 y) 0.5)
3.312 * [backup-simplify]: Simplify (/ (+ (/ 1 y) 0.5) 1) into (+ (/ 1 y) 0.5)
3.312 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in x
3.312 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in x
3.312 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.312 * [taylor]: Taking taylor expansion of y in x
3.313 * [backup-simplify]: Simplify y into y
3.313 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.313 * [taylor]: Taking taylor expansion of 0.5 in x
3.313 * [backup-simplify]: Simplify 0.5 into 0.5
3.313 * [taylor]: Taking taylor expansion of x in x
3.313 * [backup-simplify]: Simplify 0 into 0
3.313 * [backup-simplify]: Simplify 1 into 1
3.313 * [backup-simplify]: Simplify (+ (/ 1 y) 0.5) into (+ (/ 1 y) 0.5)
3.313 * [backup-simplify]: Simplify (/ (+ (/ 1 y) 0.5) 1) into (+ (/ 1 y) 0.5)
3.313 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
3.313 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.313 * [taylor]: Taking taylor expansion of y in y
3.313 * [backup-simplify]: Simplify 0 into 0
3.313 * [backup-simplify]: Simplify 1 into 1
3.314 * [backup-simplify]: Simplify (/ 1 1) into 1
3.314 * [taylor]: Taking taylor expansion of 0.5 in y
3.314 * [backup-simplify]: Simplify 0.5 into 0.5
3.314 * [backup-simplify]: Simplify (+ 1 0) into 1
3.314 * [backup-simplify]: Simplify 1 into 1
3.315 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.315 * [backup-simplify]: Simplify (+ 0 0) into 0
3.316 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (+ (/ 1 y) 0.5) (/ 0 1)))) into 0
3.316 * [taylor]: Taking taylor expansion of 0 in y
3.316 * [backup-simplify]: Simplify 0 into 0
3.317 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.317 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
3.317 * [backup-simplify]: Simplify 0.5 into 0.5
3.317 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.318 * [backup-simplify]: Simplify (+ 0 0) into 0
3.319 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (+ (/ 1 y) 0.5) (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.319 * [taylor]: Taking taylor expansion of 0 in y
3.319 * [backup-simplify]: Simplify 0 into 0
3.319 * [backup-simplify]: Simplify 0 into 0
3.320 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.320 * [backup-simplify]: Simplify (+ 0 0) into 0
3.320 * [backup-simplify]: Simplify 0 into 0
3.321 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.321 * [backup-simplify]: Simplify (+ 0 0) into 0
3.323 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (+ (/ 1 y) 0.5) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.323 * [taylor]: Taking taylor expansion of 0 in y
3.323 * [backup-simplify]: Simplify 0 into 0
3.323 * [backup-simplify]: Simplify 0 into 0
3.323 * [backup-simplify]: Simplify 0 into 0
3.324 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.324 * [backup-simplify]: Simplify (+ 0 0) into 0
3.324 * [backup-simplify]: Simplify 0 into 0
3.325 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.325 * [backup-simplify]: Simplify (+ 0 0) into 0
3.327 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (+ (/ 1 y) 0.5) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.328 * [taylor]: Taking taylor expansion of 0 in y
3.328 * [backup-simplify]: Simplify 0 into 0
3.328 * [backup-simplify]: Simplify 0 into 0
3.328 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) into (+ (* 0.5 x) (* x y))
3.328 * [backup-simplify]: Simplify (* (/ 1 (- x)) (+ (/ 1 (- y)) 0.5)) into (* -1 (/ (- 0.5 (/ 1 y)) x))
3.328 * [approximate]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in (x y) around 0
3.328 * [taylor]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in y
3.328 * [taylor]: Taking taylor expansion of -1 in y
3.328 * [backup-simplify]: Simplify -1 into -1
3.328 * [taylor]: Taking taylor expansion of (/ (- 0.5 (/ 1 y)) x) in y
3.328 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in y
3.328 * [taylor]: Taking taylor expansion of 0.5 in y
3.328 * [backup-simplify]: Simplify 0.5 into 0.5
3.329 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.329 * [taylor]: Taking taylor expansion of y in y
3.329 * [backup-simplify]: Simplify 0 into 0
3.329 * [backup-simplify]: Simplify 1 into 1
3.329 * [backup-simplify]: Simplify (/ 1 1) into 1
3.329 * [taylor]: Taking taylor expansion of x in y
3.329 * [backup-simplify]: Simplify x into x
3.330 * [backup-simplify]: Simplify (- 1) into -1
3.330 * [backup-simplify]: Simplify (+ 0 -1) into -1
3.330 * [backup-simplify]: Simplify (/ -1 x) into (/ -1 x)
3.330 * [taylor]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in x
3.330 * [taylor]: Taking taylor expansion of -1 in x
3.330 * [backup-simplify]: Simplify -1 into -1
3.330 * [taylor]: Taking taylor expansion of (/ (- 0.5 (/ 1 y)) x) in x
3.330 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in x
3.330 * [taylor]: Taking taylor expansion of 0.5 in x
3.330 * [backup-simplify]: Simplify 0.5 into 0.5
3.330 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.330 * [taylor]: Taking taylor expansion of y in x
3.330 * [backup-simplify]: Simplify y into y
3.330 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.330 * [taylor]: Taking taylor expansion of x in x
3.330 * [backup-simplify]: Simplify 0 into 0
3.330 * [backup-simplify]: Simplify 1 into 1
3.330 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
3.331 * [backup-simplify]: Simplify (+ 0.5 (- (/ 1 y))) into (- 0.5 (/ 1 y))
3.331 * [backup-simplify]: Simplify (/ (- 0.5 (/ 1 y)) 1) into (- 0.5 (/ 1 y))
3.331 * [taylor]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in x
3.331 * [taylor]: Taking taylor expansion of -1 in x
3.331 * [backup-simplify]: Simplify -1 into -1
3.331 * [taylor]: Taking taylor expansion of (/ (- 0.5 (/ 1 y)) x) in x
3.331 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in x
3.331 * [taylor]: Taking taylor expansion of 0.5 in x
3.331 * [backup-simplify]: Simplify 0.5 into 0.5
3.331 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.331 * [taylor]: Taking taylor expansion of y in x
3.331 * [backup-simplify]: Simplify y into y
3.331 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.331 * [taylor]: Taking taylor expansion of x in x
3.331 * [backup-simplify]: Simplify 0 into 0
3.331 * [backup-simplify]: Simplify 1 into 1
3.331 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
3.331 * [backup-simplify]: Simplify (+ 0.5 (- (/ 1 y))) into (- 0.5 (/ 1 y))
3.331 * [backup-simplify]: Simplify (/ (- 0.5 (/ 1 y)) 1) into (- 0.5 (/ 1 y))
3.332 * [backup-simplify]: Simplify (* -1 (- 0.5 (/ 1 y))) into (* -1 (- 0.5 (/ 1 y)))
3.332 * [taylor]: Taking taylor expansion of (* -1 (- 0.5 (/ 1 y))) in y
3.332 * [taylor]: Taking taylor expansion of -1 in y
3.332 * [backup-simplify]: Simplify -1 into -1
3.332 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in y
3.332 * [taylor]: Taking taylor expansion of 0.5 in y
3.332 * [backup-simplify]: Simplify 0.5 into 0.5
3.332 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.332 * [taylor]: Taking taylor expansion of y in y
3.332 * [backup-simplify]: Simplify 0 into 0
3.332 * [backup-simplify]: Simplify 1 into 1
3.332 * [backup-simplify]: Simplify (/ 1 1) into 1
3.333 * [backup-simplify]: Simplify (- 1) into -1
3.333 * [backup-simplify]: Simplify (+ 0 -1) into -1
3.333 * [backup-simplify]: Simplify (* -1 -1) into 1
3.333 * [backup-simplify]: Simplify 1 into 1
3.334 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.334 * [backup-simplify]: Simplify (- 0) into 0
3.335 * [backup-simplify]: Simplify (+ 0 0) into 0
3.336 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (- 0.5 (/ 1 y)) (/ 0 1)))) into 0
3.336 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (- 0.5 (/ 1 y)))) into 0
3.336 * [taylor]: Taking taylor expansion of 0 in y
3.336 * [backup-simplify]: Simplify 0 into 0
3.337 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.337 * [backup-simplify]: Simplify (- 0) into 0
3.338 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
3.338 * [backup-simplify]: Simplify (+ (* -1 0.5) (* 0 -1)) into (- 0.5)
3.339 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.339 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.339 * [backup-simplify]: Simplify (- 0) into 0
3.339 * [backup-simplify]: Simplify (+ 0 0) into 0
3.340 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (- 0.5 (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.341 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (- 0.5 (/ 1 y))))) into 0
3.341 * [taylor]: Taking taylor expansion of 0 in y
3.341 * [backup-simplify]: Simplify 0 into 0
3.341 * [backup-simplify]: Simplify 0 into 0
3.341 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.342 * [backup-simplify]: Simplify (- 0) into 0
3.342 * [backup-simplify]: Simplify (+ 0 0) into 0
3.343 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0.5) (* 0 -1))) into 0
3.343 * [backup-simplify]: Simplify 0 into 0
3.343 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.343 * [backup-simplify]: Simplify (- 0) into 0
3.343 * [backup-simplify]: Simplify (+ 0 0) into 0
3.344 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (- 0.5 (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.345 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 0.5 (/ 1 y)))))) into 0
3.345 * [taylor]: Taking taylor expansion of 0 in y
3.345 * [backup-simplify]: Simplify 0 into 0
3.345 * [backup-simplify]: Simplify 0 into 0
3.345 * [backup-simplify]: Simplify 0 into 0
3.346 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.346 * [backup-simplify]: Simplify (- 0) into 0
3.346 * [backup-simplify]: Simplify (+ 0 0) into 0
3.347 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0.5) (* 0 -1)))) into 0
3.347 * [backup-simplify]: Simplify 0 into 0
3.347 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.347 * [backup-simplify]: Simplify (- 0) into 0
3.348 * [backup-simplify]: Simplify (+ 0 0) into 0
3.349 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (- 0.5 (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.350 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 0.5 (/ 1 y))))))) into 0
3.350 * [taylor]: Taking taylor expansion of 0 in y
3.350 * [backup-simplify]: Simplify 0 into 0
3.350 * [backup-simplify]: Simplify 0 into 0
3.350 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (+ (* 0.5 x) (* x y))
3.350 * * * [progress]: simplifying candidates
3.351 * [simplify]: Simplifying:
  (* x (+ y 0.5))
  (+ (log x) (log (+ y 0.5)))
  (log (* x (+ y 0.5)))
  (exp (* x (+ y 0.5)))
  (* (* (* x x) x) (* (* (+ y 0.5) (+ y 0.5)) (+ y 0.5)))
  (* (cbrt (* x (+ y 0.5))) (cbrt (* x (+ y 0.5))))
  (cbrt (* x (+ y 0.5)))
  (* (* (* x (+ y 0.5)) (* x (+ y 0.5))) (* x (+ y 0.5)))
  (sqrt (* x (+ y 0.5)))
  (sqrt (* x (+ y 0.5)))
  (* (sqrt x) (sqrt (+ y 0.5)))
  (* (sqrt x) (sqrt (+ y 0.5)))
  (* x y)
  (* x 0.5)
  (* y x)
  (* 0.5 x)
  (* x (* (cbrt (+ y 0.5)) (cbrt (+ y 0.5))))
  (* x (sqrt (+ y 0.5)))
  (* x 1)
  (* x 1)
  (* (cbrt x) (+ y 0.5))
  (* (sqrt x) (+ y 0.5))
  (* x (+ y 0.5))
  (* x (+ (pow y 3) (pow 0.5 3)))
  (* x (- (* y y) (* 0.5 0.5)))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
3.351 * * [simplify]: Extracting # 0 : cost  0
3.351 * * [simplify]: Extracting # 1 : cost  0
3.351 * * [simplify]: Extracting # 2 : cost  0
3.352 * * [simplify]: Extracting # 3 : cost  0
3.352 * * [simplify]: Extracting # 4 : cost  0
3.352 * * [simplify]: Extracting # 5 : cost  0
3.352 * * [simplify]: iteration  0 :  46  enodes  (cost  194 )
3.363 * * [simplify]: Extracting # 0 : cost  0
3.364 * * [simplify]: Extracting # 1 : cost  0
3.364 * * [simplify]: Extracting # 2 : cost  0
3.364 * * [simplify]: Extracting # 3 : cost  0
3.364 * * [simplify]: Extracting # 4 : cost  0
3.364 * * [simplify]: iteration  1 :  127  enodes  (cost  183 )
3.405 * * [simplify]: Extracting # 0 : cost  0
3.405 * * [simplify]: Extracting # 1 : cost  0
3.406 * * [simplify]: Extracting # 2 : cost  0
3.407 * * [simplify]: Extracting # 3 : cost  0
3.408 * * [simplify]: Extracting # 4 : cost  0
3.409 * * [simplify]: iteration  2 :  383  enodes  (cost  163 )
3.814 * * [simplify]: Extracting # 0 : cost  0
3.818 * * [simplify]: Extracting # 1 : cost  0
3.820 * * [simplify]: Extracting # 2 : cost  0
3.822 * * [simplify]: Extracting # 3 : cost  0
3.824 * * [simplify]: Extracting # 4 : cost  0
3.826 * * [simplify]: iteration  3 :  1293  enodes  (cost  163 )
6.735 * * [simplify]: Extracting # 0 : cost  0
6.739 * * [simplify]: Extracting # 1 : cost  0
6.742 * * [simplify]: Extracting # 2 : cost  0
6.750 * * [simplify]: Extracting # 3 : cost  0
6.753 * * [simplify]: Extracting # 4 : cost  0
6.756 * * [simplify]: iteration  4 :  4250  enodes  (cost  163 )
8.001 * * [simplify]: Extracting # 0 : cost  0
8.007 * * [simplify]: Extracting # 1 : cost  0
8.014 * * [simplify]: Extracting # 2 : cost  0
8.020 * * [simplify]: Extracting # 3 : cost  0
8.026 * * [simplify]: Extracting # 4 : cost  0
8.032 * * [simplify]: iteration done:  5001  enodes  (cost  163 )
8.033 * [simplify]: Simplified to:
  (* x (+ y 0.5))
  (log (* x (+ y 0.5)))
  (log (* x (+ y 0.5)))
  (exp (* x (+ y 0.5)))
  (pow (* x (+ y 0.5)) 3)
  (* (cbrt (* x (+ y 0.5))) (cbrt (* x (+ y 0.5))))
  (cbrt (* x (+ y 0.5)))
  (pow (* x (+ y 0.5)) 3)
  (sqrt (* x (+ y 0.5)))
  (sqrt (* x (+ y 0.5)))
  (* (sqrt x) (sqrt (+ y 0.5)))
  (* (sqrt x) (sqrt (+ y 0.5)))
  (* y x)
  (* x 0.5)
  (* y x)
  (* x 0.5)
  (* x (* (cbrt (+ y 0.5)) (cbrt (+ y 0.5))))
  (* x (sqrt (+ y 0.5)))
  x
  x
  (* (cbrt x) (+ y 0.5))
  (* (sqrt x) (+ y 0.5))
  (* x (+ y 0.5))
  (* x (+ (pow y 3) (pow 0.5 3)))
  (* x (- (* y y) (* 0.5 0.5)))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
8.033 * * * [progress]: adding candidates to table
8.102 * [progress]: [Phase 3 of 3] Extracting.
8.104 * [simplify]: Simplifying:
  (+ (* x (+ y 0.5)) z)
8.104 * * [simplify]: Extracting # 0 : cost  0
8.104 * * [simplify]: Extracting # 1 : cost  0
8.104 * * [simplify]: Extracting # 2 : cost  0
8.104 * * [simplify]: Extracting # 3 : cost  0
8.104 * * [simplify]: Extracting # 4 : cost  0
8.104 * * [simplify]: Extracting # 5 : cost  0
8.104 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
8.104 * * [simplify]: Extracting # 0 : cost  0
8.104 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
8.105 * * [simplify]: Extracting # 0 : cost  0
8.105 * * [simplify]: iteration done:  10  enodes  (cost  7 )
8.105 * [simplify]: Simplified to:
  (+ (* x (+ y 0.5)) z)
9.031 * [regime-testing]: Baseline error score: 0.006823973309253801
9.033 * [regime-testing]: Oracle error score: 0.006823973309253801
9.033 * [regime-testing]: End program error score: 0.006823973309253801