6.885 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.035 * * * [progress]: [2/2] Setting up program.
0.038 * [progress]: [Phase 2 of 3] Improving.
0.038 * [simplify]: Simplifying:
  (sqrt (+ (* x x) (* y y)))
0.038 * * [simplify]: Extracting # 0 : cost  0
0.038 * * [simplify]: Extracting # 1 : cost  0
0.038 * * [simplify]: Extracting # 2 : cost  0
0.038 * * [simplify]: Extracting # 3 : cost  0
0.038 * * [simplify]: Extracting # 4 : cost  0
0.038 * * [simplify]: Extracting # 5 : cost  0
0.038 * * [simplify]: iteration  0 :  6  enodes  (cost  8 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: iteration  1 :  7  enodes  (cost  8 )
0.041 * * [simplify]: Extracting # 0 : cost  0
0.041 * * [simplify]: iteration done:  7  enodes  (cost  8 )
0.041 * [simplify]: Simplified to:
  (sqrt (+ (* x x) (* y y)))
0.041 * * [progress]: iteration 1 / 4
0.041 * * * [progress]: picking best candidate
0.043 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>
0.043 * * * [progress]: localizing error
0.049 * * * [progress]: generating rewritten candidates
0.049 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.063 * * * [progress]: generating series expansions
0.063 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.063 * [backup-simplify]: Simplify (sqrt (+ (* x x) (* y y))) into (sqrt (+ (pow x 2) (pow y 2)))
0.063 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in (x y) around 0
0.063 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in y
0.063 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.063 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.063 * [taylor]: Taking taylor expansion of x in y
0.063 * [backup-simplify]: Simplify x into x
0.064 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.064 * [taylor]: Taking taylor expansion of y in y
0.064 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify 1 into 1
0.064 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.064 * [backup-simplify]: Simplify (+ (pow x 2) 0) into (pow x 2)
0.064 * [backup-simplify]: Simplify (sqrt (pow x 2)) into x
0.064 * [backup-simplify]: Simplify (+ (* x 0) (* 0 x)) into 0
0.065 * [backup-simplify]: Simplify (+ 0 0) into 0
0.065 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (pow x 2)))) into 0
0.065 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.065 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.065 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 1 into 1
0.065 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [backup-simplify]: Simplify y into y
0.065 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.066 * [backup-simplify]: Simplify (+ 0 (pow y 2)) into (pow y 2)
0.066 * [backup-simplify]: Simplify (sqrt (pow y 2)) into y
0.066 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.066 * [backup-simplify]: Simplify (+ 0 0) into 0
0.066 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (pow y 2)))) into 0
0.066 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.066 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.067 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [backup-simplify]: Simplify y into y
0.067 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.067 * [backup-simplify]: Simplify (+ 0 (pow y 2)) into (pow y 2)
0.067 * [backup-simplify]: Simplify (sqrt (pow y 2)) into y
0.067 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.068 * [backup-simplify]: Simplify (+ 0 0) into 0
0.068 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (pow y 2)))) into 0
0.068 * [taylor]: Taking taylor expansion of y in y
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify 1 into 1
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [taylor]: Taking taylor expansion of 0 in y
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify 1 into 1
0.069 * [backup-simplify]: Simplify (* 1 1) into 1
0.069 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.069 * [backup-simplify]: Simplify (+ 1 0) into 1
0.070 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 y)) into (/ 1/2 y)
0.070 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.070 * [taylor]: Taking taylor expansion of 1/2 in y
0.070 * [backup-simplify]: Simplify 1/2 into 1/2
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 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.071 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.072 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.072 * [backup-simplify]: Simplify (+ 0 0) into 0
0.072 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 y))))) (* 2 y)) into 0
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (* 1 (* y 1)) into y
0.073 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y)))) into (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))
0.073 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.073 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.073 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.073 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.073 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.073 * [taylor]: Taking taylor expansion of x in y
0.073 * [backup-simplify]: Simplify x into x
0.073 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.074 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.074 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.074 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.074 * [taylor]: Taking taylor expansion of y in y
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 1 into 1
0.074 * [backup-simplify]: Simplify (* 1 1) into 1
0.074 * [backup-simplify]: Simplify (/ 1 1) into 1
0.074 * [backup-simplify]: Simplify (+ 0 1) into 1
0.075 * [backup-simplify]: Simplify (sqrt 1) into 1
0.075 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.075 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.076 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.076 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [backup-simplify]: Simplify (* 1 1) into 1
0.077 * [backup-simplify]: Simplify (/ 1 1) into 1
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.077 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [backup-simplify]: Simplify y into y
0.077 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.077 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.077 * [backup-simplify]: Simplify (+ 1 0) into 1
0.077 * [backup-simplify]: Simplify (sqrt 1) into 1
0.078 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.078 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.079 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.079 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.079 * [taylor]: Taking taylor expansion of (pow x 2) 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 * [backup-simplify]: Simplify (* 1 1) into 1
0.079 * [backup-simplify]: Simplify (/ 1 1) into 1
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.079 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [backup-simplify]: Simplify y into y
0.080 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.080 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.080 * [backup-simplify]: Simplify (+ 1 0) into 1
0.080 * [backup-simplify]: Simplify (sqrt 1) into 1
0.081 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.081 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.081 * [backup-simplify]: Simplify (+ 0 0) into 0
0.082 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.082 * [taylor]: Taking taylor expansion of 1 in y
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.083 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.083 * [backup-simplify]: Simplify (+ 0 (/ 1 (pow y 2))) into (/ 1 (pow y 2))
0.084 * [backup-simplify]: Simplify (/ (- (/ 1 (pow y 2)) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 (pow y 2))
0.084 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.084 * [taylor]: Taking taylor expansion of 1/2 in y
0.084 * [backup-simplify]: Simplify 1/2 into 1/2
0.084 * [taylor]: Taking taylor expansion of (pow y 2) 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
0.085 * [backup-simplify]: Simplify (* 1 1) into 1
0.085 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.085 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.086 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.087 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.087 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.087 * [backup-simplify]: Simplify (+ 0 0) into 0
0.088 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (pow y 2)))))) (* 2 1)) into 0
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.089 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
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 (* 1 (* 1 (/ 1 (/ 1 x)))) into x
0.089 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y))))) into (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))
0.089 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.089 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.089 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.089 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [backup-simplify]: Simplify x into x
0.089 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.090 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.090 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.090 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 1 into 1
0.090 * [backup-simplify]: Simplify (* 1 1) into 1
0.090 * [backup-simplify]: Simplify (/ 1 1) into 1
0.090 * [backup-simplify]: Simplify (+ 0 1) into 1
0.091 * [backup-simplify]: Simplify (sqrt 1) into 1
0.091 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.091 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.092 * [backup-simplify]: Simplify (+ 0 0) into 0
0.092 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.092 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.092 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.092 * [taylor]: Taking taylor expansion of (pow x 2) 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
0.092 * [backup-simplify]: Simplify (* 1 1) into 1
0.093 * [backup-simplify]: Simplify (/ 1 1) into 1
0.093 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.093 * [taylor]: Taking taylor expansion of (pow y 2) 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 (* y y) into (pow y 2)
0.093 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.093 * [backup-simplify]: Simplify (+ 1 0) into 1
0.094 * [backup-simplify]: Simplify (sqrt 1) into 1
0.094 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (+ 0 0) into 0
0.095 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.095 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.095 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.095 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.095 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (* 1 1) into 1
0.096 * [backup-simplify]: Simplify (/ 1 1) into 1
0.096 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.096 * [taylor]: Taking taylor expansion of (pow y 2) 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 (* y y) into (pow y 2)
0.096 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.096 * [backup-simplify]: Simplify (+ 1 0) into 1
0.096 * [backup-simplify]: Simplify (sqrt 1) into 1
0.097 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.097 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.098 * [backup-simplify]: Simplify (+ 0 0) into 0
0.098 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.099 * [taylor]: Taking taylor expansion of 1 in y
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ 0 (/ 1 (pow y 2))) into (/ 1 (pow y 2))
0.102 * [backup-simplify]: Simplify (/ (- (/ 1 (pow y 2)) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 (pow y 2))
0.102 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.102 * [taylor]: Taking taylor expansion of 1/2 in y
0.102 * [backup-simplify]: Simplify 1/2 into 1/2
0.102 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (* 1 1) into 1
0.103 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.104 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.105 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.108 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.108 * [backup-simplify]: Simplify (+ 0 0) into 0
0.109 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (pow y 2)))))) (* 2 1)) into 0
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.111 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify (* 1 (* 1 (/ 1 (/ 1 (- x))))) into (* -1 x)
0.111 * * * [progress]: simplifying candidates
0.112 * [simplify]: Simplifying:
  (log (sqrt (+ (* x x) (* y y))))
  (exp (sqrt (+ (* x x) (* y y))))
  (* (cbrt (sqrt (+ (* x x) (* y y)))) (cbrt (sqrt (+ (* x x) (* y y)))))
  (cbrt (sqrt (+ (* x x) (* y y))))
  (* (* (sqrt (+ (* x x) (* y y))) (sqrt (+ (* x x) (* y y)))) (sqrt (+ (* x x) (* y y))))
  (sqrt (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (sqrt (cbrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt 1)
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (pow (* x x) 3) (pow (* y y) 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* (* y y) (* y y)) (* (* x x) (* y y)))))
  (sqrt (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (sqrt (- (* x x) (* y y)))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  y
  x
  (* -1 x)
0.113 * * [simplify]: Extracting # 0 : cost  0
0.113 * * [simplify]: Extracting # 1 : cost  0
0.113 * * [simplify]: Extracting # 2 : cost  0
0.113 * * [simplify]: Extracting # 3 : cost  0
0.113 * * [simplify]: Extracting # 4 : cost  0
0.113 * * [simplify]: Extracting # 5 : cost  0
0.113 * * [simplify]: Extracting # 6 : cost  0
0.113 * * [simplify]: iteration  0 :  38  enodes  (cost  213 )
0.121 * * [simplify]: Extracting # 0 : cost  0
0.121 * * [simplify]: Extracting # 1 : cost  0
0.122 * * [simplify]: Extracting # 2 : cost  0
0.122 * * [simplify]: Extracting # 3 : cost  0
0.122 * * [simplify]: Extracting # 4 : cost  0
0.122 * * [simplify]: iteration  1 :  91  enodes  (cost  186 )
0.146 * * [simplify]: Extracting # 0 : cost  0
0.146 * * [simplify]: Extracting # 1 : cost  0
0.147 * * [simplify]: Extracting # 2 : cost  0
0.147 * * [simplify]: Extracting # 3 : cost  0
0.147 * * [simplify]: Extracting # 4 : cost  0
0.147 * * [simplify]: iteration  2 :  220  enodes  (cost  170 )
0.230 * * [simplify]: Extracting # 0 : cost  0
0.231 * * [simplify]: Extracting # 1 : cost  0
0.232 * * [simplify]: Extracting # 2 : cost  0
0.233 * * [simplify]: Extracting # 3 : cost  0
0.234 * * [simplify]: Extracting # 4 : cost  0
0.235 * * [simplify]: iteration  3 :  528  enodes  (cost  164 )
0.530 * * [simplify]: Extracting # 0 : cost  0
0.532 * * [simplify]: Extracting # 1 : cost  0
0.534 * * [simplify]: Extracting # 2 : cost  0
0.536 * * [simplify]: Extracting # 3 : cost  0
0.538 * * [simplify]: Extracting # 4 : cost  0
0.540 * * [simplify]: iteration  4 :  1456  enodes  (cost  164 )
1.041 * * [simplify]: Extracting # 0 : cost  0
1.049 * * [simplify]: Extracting # 1 : cost  0
1.060 * * [simplify]: Extracting # 2 : cost  0
1.071 * * [simplify]: Extracting # 3 : cost  0
1.082 * * [simplify]: Extracting # 4 : cost  0
1.098 * * [simplify]: iteration done:  5001  enodes  (cost  164 )
1.099 * [simplify]: Simplified to:
  (log (sqrt (+ (* x x) (* y y))))
  (exp (sqrt (+ (* x x) (* y y))))
  (* (cbrt (sqrt (+ (* x x) (* y y)))) (cbrt (sqrt (+ (* x x) (* y y)))))
  (cbrt (sqrt (+ (* x x) (* y y))))
  (pow (sqrt (+ (* x x) (* y y))) 3)
  (fabs (cbrt (+ (* x x) (* y y))))
  (sqrt (cbrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  1
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (pow y 6) (pow x 6)))
  (sqrt (+ (* (* x x) (- (* x x) (* y y))) (pow y 4)))
  (sqrt (- (pow x 4) (pow y 4)))
  (sqrt (- (* x x) (* y y)))
  1/2
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  y
  x
  (- x)
1.099 * * * [progress]: adding candidates to table
1.150 * * [progress]: iteration 2 / 4
1.150 * * * [progress]: picking best candidate
1.155 * * * * [pick]: Picked  #<alt (λ (x y) x)>
1.155 * * * [progress]: localizing error
1.156 * * * [progress]: generating rewritten candidates
1.156 * * * [progress]: generating series expansions
1.156 * * * [progress]: simplifying candidates
1.157 * [simplify]: Simplifying:
  
1.157 * * [simplify]: Extracting # 0 : cost  0
1.157 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.157 * * [simplify]: Extracting # 0 : cost  0
1.157 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.157 * [simplify]: Simplified to:
  
1.157 * * * [progress]: adding candidates to table
1.158 * * [progress]: iteration 3 / 4
1.158 * * * [progress]: picking best candidate
1.161 * * * * [pick]: Picked  #<alt (λ (x y) y)>
1.161 * * * [progress]: localizing error
1.163 * * * [progress]: generating rewritten candidates
1.163 * * * [progress]: generating series expansions
1.163 * * * [progress]: simplifying candidates
1.163 * [simplify]: Simplifying:
  
1.163 * * [simplify]: Extracting # 0 : cost  0
1.163 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.163 * * [simplify]: Extracting # 0 : cost  0
1.163 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.163 * [simplify]: Simplified to:
  
1.163 * * * [progress]: adding candidates to table
1.164 * * [progress]: iteration 4 / 4
1.164 * * * [progress]: picking best candidate
1.166 * * * * [pick]: Picked  #<alt (λ (x y) (- x))>
1.166 * * * [progress]: localizing error
1.174 * * * [progress]: generating rewritten candidates
1.174 * * * [progress]: generating series expansions
1.174 * * * [progress]: simplifying candidates
1.174 * [simplify]: Simplifying:
  
1.174 * * [simplify]: Extracting # 0 : cost  0
1.174 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.174 * * [simplify]: Extracting # 0 : cost  0
1.174 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.174 * [simplify]: Simplified to:
  
1.174 * * * [progress]: adding candidates to table
1.174 * [progress]: [Phase 3 of 3] Extracting.
1.174 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- x))> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.175 * * * [regime-changes]: Trying 6 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) (sqrt (+ (* x x) (* y y))) y x)
1.175 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.196 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.232 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.250 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
1.267 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.309 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) (* y y))) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.338 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- x))> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.392 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- x))> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.440 * * * [regime]: Found split indices: #<option (#s(si 0 34) #s(si 2 82) #s(si 1 90) #s(si 2 199) #s(si 3 255))>
1.440 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (- x))> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.574 * [regimes]: Found splitpoints: (#s(sp 0 x -1.3725924957185956e+113) #s(sp 2 x -7.06955799813849e-161) #s(sp 1 x -2.1987617738129647e-195) #s(sp 2 x 6.594840577856812e+73) #s(sp 3 x +nan.0)) , with alts (#<alt (λ (x y) (- x))> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) x)>)
1.575 * [simplify]: Simplifying:
  (if (<= x -1.3725924957185956e+113) (- x) (if (<= x -7.06955799813849e-161) (sqrt (+ (* x x) (* y y))) (if (<= x -2.1987617738129647e-195) y (if (<= x 6.594840577856812e+73) (sqrt (+ (* x x) (* y y))) x))))
1.575 * * [simplify]: Extracting # 0 : cost  0
1.575 * * [simplify]: Extracting # 1 : cost  0
1.575 * * [simplify]: Extracting # 2 : cost  0
1.575 * * [simplify]: Extracting # 3 : cost  0
1.575 * * [simplify]: Extracting # 4 : cost  0
1.575 * * [simplify]: Extracting # 5 : cost  0
1.575 * * [simplify]: Extracting # 6 : cost  0
1.575 * * [simplify]: Extracting # 7 : cost  0
1.575 * * [simplify]: Extracting # 8 : cost  0
1.576 * * [simplify]: Extracting # 9 : cost  0
1.576 * * [simplify]: iteration  0 :  19  enodes  (cost  36 )
1.577 * * [simplify]: Extracting # 0 : cost  0
1.577 * * [simplify]: iteration  1 :  20  enodes  (cost  36 )
1.579 * * [simplify]: Extracting # 0 : cost  0
1.579 * * [simplify]: iteration done:  20  enodes  (cost  36 )
1.579 * [simplify]: Simplified to:
  (if (<= x -1.3725924957185956e+113) (- x) (if (<= x -7.06955799813849e-161) (sqrt (+ (* x x) (* y y))) (if (<= x -2.1987617738129647e-195) y (if (<= x 6.594840577856812e+73) (sqrt (+ (* x x) (* y y))) x))))
2.641 * [regime-testing]: Baseline error score: 31.091613768129353
2.643 * [regime-testing]: Oracle error score: 7.798907849701367
2.648 * [regime-testing]: End program error score: 17.802693638849583
2.687 * [regime-testing]: Target error score: 17.40239894317094