21.065 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying:
  (sqrt (+ x y))
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: Extracting # 3 : cost  0
0.026 * * [simplify]: Extracting # 4 : cost  0
0.026 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
0.028 * * [simplify]: Extracting # 0 : cost  0
0.028 * * [simplify]: iteration done:  5  enodes  (cost  4 )
0.028 * [simplify]: Simplified to:
  (sqrt (+ x y))
0.029 * * [progress]: iteration 1 / 4
0.029 * * * [progress]: picking best candidate
0.032 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ x y)))>
0.032 * * * [progress]: localizing error
0.040 * * * [progress]: generating rewritten candidates
0.040 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.058 * * * [progress]: generating series expansions
0.058 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.058 * [backup-simplify]: Simplify (sqrt (+ x y)) into (sqrt (+ x y))
0.058 * [approximate]: Taking taylor expansion of (sqrt (+ x y)) in (x y) around 0
0.058 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in y
0.058 * [taylor]: Taking taylor expansion of (+ x y) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [backup-simplify]: Simplify x into x
0.058 * [taylor]: Taking taylor expansion of y in y
0.058 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify 1 into 1
0.059 * [backup-simplify]: Simplify (+ x 0) into x
0.059 * [backup-simplify]: Simplify (sqrt x) into (sqrt x)
0.059 * [backup-simplify]: Simplify (+ 0 1) into 1
0.060 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt x))) into (* 1/2 (sqrt (/ 1 x)))
0.060 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.060 * [taylor]: Taking taylor expansion of (+ x y) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.060 * [taylor]: Taking taylor expansion of y in x
0.060 * [backup-simplify]: Simplify y into y
0.060 * [backup-simplify]: Simplify (+ 0 y) into y
0.060 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.060 * [backup-simplify]: Simplify (+ 1 0) into 1
0.061 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.061 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.061 * [taylor]: Taking taylor expansion of (+ x y) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [backup-simplify]: Simplify 0 into 0
0.061 * [backup-simplify]: Simplify 1 into 1
0.061 * [taylor]: Taking taylor expansion of y in x
0.061 * [backup-simplify]: Simplify y into y
0.061 * [backup-simplify]: Simplify (+ 0 y) into y
0.061 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.061 * [backup-simplify]: Simplify (+ 1 0) into 1
0.061 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.062 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify 1 into 1
0.062 * [backup-simplify]: Simplify (sqrt 0) into 0
0.064 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.064 * [backup-simplify]: Simplify 0 into 0
0.064 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.065 * [taylor]: Taking taylor expansion of 1/2 in y
0.065 * [backup-simplify]: Simplify 1/2 into 1/2
0.065 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 1 into 1
0.065 * [backup-simplify]: Simplify (/ 1 1) into 1
0.066 * [backup-simplify]: Simplify (sqrt 0) into 0
0.067 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.068 * [backup-simplify]: Simplify (+ (* 1/2 +nan.0) (* 0 0)) into (- +nan.0)
0.069 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.069 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.070 * [backup-simplify]: Simplify (+ 0 0) into 0
0.070 * [backup-simplify]: Simplify (/ (- 0 (pow (* 1/2 (sqrt (/ 1 y))) 2) (+)) (* 2 (sqrt y))) into (* -1/8 (sqrt (/ 1 (pow y 3))))
0.071 * [taylor]: Taking taylor expansion of (* -1/8 (sqrt (/ 1 (pow y 3)))) in y
0.071 * [taylor]: Taking taylor expansion of -1/8 in y
0.071 * [backup-simplify]: Simplify -1/8 into -1/8
0.071 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (pow y 3))) in y
0.071 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.071 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.071 * [taylor]: Taking taylor expansion of y in y
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 1 into 1
0.072 * [backup-simplify]: Simplify (* 1 1) into 1
0.072 * [backup-simplify]: Simplify (* 1 1) into 1
0.072 * [backup-simplify]: Simplify (/ 1 1) into 1
0.073 * [backup-simplify]: Simplify (sqrt 0) into 0
0.074 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.075 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.076 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.076 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.079 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.081 * [backup-simplify]: Simplify (+ (* -1/8 +nan.0) (+ (* 0 +nan.0) (* 0 0))) into (- +nan.0)
0.081 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.082 * [backup-simplify]: Simplify (+ (* (- +nan.0) (pow (* 1 x) 2)) (+ (* +nan.0 (* y 1)) (* (- +nan.0) (* 1 x)))) into (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 x) (- (* +nan.0 y))))))
0.082 * [backup-simplify]: Simplify (sqrt (+ (/ 1 x) (/ 1 y))) into (sqrt (+ (/ 1 y) (/ 1 x)))
0.082 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.082 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in y
0.082 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify (/ 1 1) into 1
0.082 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.082 * [taylor]: Taking taylor expansion of x in y
0.082 * [backup-simplify]: Simplify x into x
0.082 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.083 * [backup-simplify]: Simplify (+ 1 0) into 1
0.083 * [backup-simplify]: Simplify (sqrt 0) into 0
0.084 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.084 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [backup-simplify]: Simplify y into y
0.084 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.084 * [backup-simplify]: Simplify (/ 1 1) into 1
0.085 * [backup-simplify]: Simplify (+ 0 1) into 1
0.085 * [backup-simplify]: Simplify (sqrt 0) into 0
0.086 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.086 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [backup-simplify]: Simplify y into y
0.086 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.086 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 1 into 1
0.086 * [backup-simplify]: Simplify (/ 1 1) into 1
0.086 * [backup-simplify]: Simplify (+ 0 1) into 1
0.087 * [backup-simplify]: Simplify (sqrt 0) into 0
0.087 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [taylor]: Taking taylor expansion of +nan.0 in y
0.087 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.088 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.089 * [backup-simplify]: Simplify (/ (- (/ 1 y) (pow +nan.0 2) (+)) (* 2 0)) into (* +nan.0 (- (/ 1 y) +nan.0))
0.089 * [taylor]: Taking taylor expansion of (* +nan.0 (- (/ 1 y) +nan.0)) in y
0.089 * [taylor]: Taking taylor expansion of +nan.0 in y
0.089 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.089 * [taylor]: Taking taylor expansion of (- (/ 1 y) +nan.0) in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.089 * [taylor]: Taking taylor expansion of y in y
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 1 into 1
0.089 * [backup-simplify]: Simplify (/ 1 1) into 1
0.089 * [taylor]: Taking taylor expansion of +nan.0 in y
0.089 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.090 * [backup-simplify]: Simplify (+ 1 0) into 1
0.090 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.090 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.090 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) 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 (+ (* 2 (* +nan.0 (* +nan.0 (- (/ 1 y) +nan.0)))))) (* 2 0)) into (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0)))
0.091 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.091 * [taylor]: Taking taylor expansion of +nan.0 in y
0.091 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.091 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.091 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.091 * [taylor]: Taking taylor expansion of +nan.0 in y
0.091 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (/ 1 1) into 1
0.092 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.092 * [taylor]: Taking taylor expansion of +nan.0 in y
0.092 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.092 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.092 * [backup-simplify]: Simplify (+ +nan.0 0) into (- +nan.0)
0.093 * [backup-simplify]: Simplify (* +nan.0 (- +nan.0)) into +nan.0
0.093 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.093 * [backup-simplify]: Simplify (+ (* +nan.0 (* (/ 1 (/ 1 y)) (pow (/ 1 x) 2))) (+ +nan.0 (* +nan.0 (* (/ 1 (/ 1 y)) (/ 1 x))))) into (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
0.093 * [backup-simplify]: Simplify (sqrt (+ (/ 1 (- x)) (/ 1 (- y)))) into (sqrt (- (+ (/ 1 y) (/ 1 x))))
0.093 * [approximate]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.093 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in y
0.093 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in y
0.093 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) 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
0.094 * [backup-simplify]: Simplify (/ 1 1) into 1
0.094 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.094 * [taylor]: Taking taylor expansion of x in y
0.094 * [backup-simplify]: Simplify x into x
0.094 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.094 * [backup-simplify]: Simplify (+ 1 0) into 1
0.094 * [backup-simplify]: Simplify (- 1) into -1
0.095 * [backup-simplify]: Simplify (sqrt 0) into 0
0.095 * [backup-simplify]: Simplify (- 1) into -1
0.096 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.096 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in x
0.096 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in x
0.096 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) 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 x) 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 * [backup-simplify]: Simplify (/ 1 1) into 1
0.096 * [backup-simplify]: Simplify (+ 0 1) into 1
0.097 * [backup-simplify]: Simplify (- 1) into -1
0.097 * [backup-simplify]: Simplify (sqrt 0) into 0
0.097 * [backup-simplify]: Simplify (- 1) into -1
0.098 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.098 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in x
0.098 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in x
0.098 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) 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 x) 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 * [backup-simplify]: Simplify (/ 1 1) into 1
0.099 * [backup-simplify]: Simplify (+ 0 1) into 1
0.099 * [backup-simplify]: Simplify (- 1) into -1
0.099 * [backup-simplify]: Simplify (sqrt 0) into 0
0.099 * [backup-simplify]: Simplify (- 1) into -1
0.100 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [taylor]: Taking taylor expansion of +nan.0 in y
0.100 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.100 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.101 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.102 * [backup-simplify]: Simplify (/ (- (- (/ 1 y)) (pow +nan.0 2) (+)) (* 2 0)) into (* +nan.0 (+ (/ 1 y) (- +nan.0)))
0.102 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (/ 1 y) (- +nan.0))) in y
0.102 * [taylor]: Taking taylor expansion of +nan.0 in y
0.102 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.102 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (- +nan.0)) in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (/ 1 1) into 1
0.103 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.103 * [taylor]: Taking taylor expansion of +nan.0 in y
0.103 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.103 * [backup-simplify]: Simplify (+ 1 0) into 1
0.103 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.103 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.103 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.104 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify (+ 0 0) into 0
0.104 * [backup-simplify]: Simplify (- 0) into 0
0.105 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 (* +nan.0 (+ (/ 1 y) (- +nan.0))))))) (* 2 0)) into (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0)))
0.105 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.105 * [taylor]: Taking taylor expansion of +nan.0 in y
0.105 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.105 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.105 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.105 * [taylor]: Taking taylor expansion of +nan.0 in y
0.105 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.105 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.105 * [taylor]: Taking taylor expansion of y in y
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 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.106 * [taylor]: Taking taylor expansion of +nan.0 in y
0.106 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.106 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.106 * [backup-simplify]: Simplify (+ +nan.0 0) into (- +nan.0)
0.107 * [backup-simplify]: Simplify (* +nan.0 (- +nan.0)) into +nan.0
0.107 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.108 * [backup-simplify]: Simplify (+ (* +nan.0 (* (/ 1 (/ 1 (- y))) (pow (/ 1 (- x)) 2))) (+ +nan.0 (* +nan.0 (* (/ 1 (/ 1 (- y))) (/ 1 (- x)))))) into (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
0.108 * * * [progress]: simplifying candidates
0.108 * [simplify]: Simplifying:
  (expm1 (sqrt (+ x y)))
  (log1p (sqrt (+ x y)))
  (log (sqrt (+ x y)))
  (exp (sqrt (+ x y)))
  (* (cbrt (sqrt (+ x y))) (cbrt (sqrt (+ x y))))
  (cbrt (sqrt (+ x y)))
  (* (* (sqrt (+ x y)) (sqrt (+ x y))) (sqrt (+ x y)))
  (sqrt (* (cbrt (+ x y)) (cbrt (+ x y))))
  (sqrt (cbrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt 1)
  (sqrt (+ x y))
  (sqrt 1)
  (sqrt (+ x y))
  (sqrt (+ (pow x 3) (pow y 3)))
  (sqrt (+ (* x x) (- (* y y) (* x y))))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- x y))
  (/ 1 2)
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 x) (- (* +nan.0 y))))))
  (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
  (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
0.109 * * [simplify]: Extracting # 0 : cost  0
0.109 * * [simplify]: Extracting # 1 : cost  0
0.109 * * [simplify]: Extracting # 2 : cost  0
0.110 * * [simplify]: Extracting # 3 : cost  0
0.110 * * [simplify]: Extracting # 4 : cost  0
0.110 * * [simplify]: Extracting # 5 : cost  0
0.110 * * [simplify]: Extracting # 6 : cost  0
0.110 * * [simplify]: Extracting # 7 : cost  0
0.110 * * [simplify]: Extracting # 8 : cost  0
0.110 * * [simplify]: Extracting # 9 : cost  0
0.111 * * [simplify]: Extracting # 10 : cost  0
0.111 * * [simplify]: iteration  0 :  55  enodes  (cost  184 )
0.144 * * [simplify]: Extracting # 0 : cost  0
0.144 * * [simplify]: Extracting # 1 : cost  0
0.144 * * [simplify]: Extracting # 2 : cost  0
0.145 * * [simplify]: Extracting # 3 : cost  0
0.145 * * [simplify]: Extracting # 4 : cost  0
0.145 * * [simplify]: iteration  1 :  124  enodes  (cost  160 )
0.185 * * [simplify]: Extracting # 0 : cost  0
0.186 * * [simplify]: Extracting # 1 : cost  0
0.186 * * [simplify]: Extracting # 2 : cost  0
0.187 * * [simplify]: Extracting # 3 : cost  0
0.187 * * [simplify]: iteration  2 :  268  enodes  (cost  155 )
0.332 * * [simplify]: Extracting # 0 : cost  0
0.332 * * [simplify]: Extracting # 1 : cost  0
0.333 * * [simplify]: Extracting # 2 : cost  0
0.333 * * [simplify]: Extracting # 3 : cost  0
0.334 * * [simplify]: Extracting # 4 : cost  0
0.334 * * [simplify]: iteration  3 :  571  enodes  (cost  145 )
0.710 * * [simplify]: Extracting # 0 : cost  0
0.713 * * [simplify]: Extracting # 1 : cost  0
0.715 * * [simplify]: Extracting # 2 : cost  0
0.716 * * [simplify]: Extracting # 3 : cost  0
0.718 * * [simplify]: Extracting # 4 : cost  0
0.720 * * [simplify]: iteration  4 :  1140  enodes  (cost  142 )
1.605 * * [simplify]: Extracting # 0 : cost  0
1.609 * * [simplify]: Extracting # 1 : cost  0
1.611 * * [simplify]: Extracting # 2 : cost  0
1.614 * * [simplify]: Extracting # 3 : cost  0
1.617 * * [simplify]: Extracting # 4 : cost  0
1.619 * * [simplify]: iteration  5 :  1931  enodes  (cost  141 )
3.439 * * [simplify]: Extracting # 0 : cost  0
3.445 * * [simplify]: Extracting # 1 : cost  0
3.450 * * [simplify]: Extracting # 2 : cost  0
3.454 * * [simplify]: Extracting # 3 : cost  0
3.459 * * [simplify]: iteration  6 :  3367  enodes  (cost  141 )
5.945 * * [simplify]: Extracting # 0 : cost  0
5.958 * * [simplify]: Extracting # 1 : cost  0
5.964 * * [simplify]: Extracting # 2 : cost  0
5.971 * * [simplify]: Extracting # 3 : cost  0
5.977 * * [simplify]: iteration done:  5001  enodes  (cost  141 )
5.977 * [simplify]: Simplified to:
  (expm1 (sqrt (+ x y)))
  (log1p (sqrt (+ x y)))
  (log (sqrt (+ x y)))
  (exp (sqrt (+ x y)))
  (* (cbrt (sqrt (+ x y))) (cbrt (sqrt (+ x y))))
  (cbrt (sqrt (+ x y)))
  (pow (sqrt (+ x y)) 3)
  (fabs (cbrt (+ x y)))
  (sqrt (cbrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  1
  (sqrt (+ x y))
  1
  (sqrt (+ x y))
  (hypot (pow y 3/2) (pow x 3/2))
  (sqrt (fma x x (* y (- y x))))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- x y))
  1/2
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (* (- x (fma x x y)) +nan.0)
  (- (fma (/ y x) (- (/ +nan.0 x) +nan.0) +nan.0))
  (- (fma (/ y x) (- (/ +nan.0 x) +nan.0) +nan.0))
5.977 * * * [progress]: adding candidates to table
6.031 * [progress]: [Phase 3 of 3] Extracting.
6.032 * [simplify]: Simplifying:
  (sqrt (+ x y))
6.033 * * [simplify]: Extracting # 0 : cost  0
6.033 * * [simplify]: Extracting # 1 : cost  0
6.033 * * [simplify]: Extracting # 2 : cost  0
6.033 * * [simplify]: Extracting # 3 : cost  0
6.033 * * [simplify]: Extracting # 4 : cost  0
6.033 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
6.033 * * [simplify]: Extracting # 0 : cost  0
6.033 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
6.033 * * [simplify]: Extracting # 0 : cost  0
6.033 * * [simplify]: iteration done:  5  enodes  (cost  4 )
6.033 * [simplify]: Simplified to:
  (sqrt (+ x y))
7.225 * [regime-testing]: Baseline error score: 0.006875859482435304
7.229 * [regime-testing]: Oracle error score: 0.006875859482435304
7.230 * [regime-testing]: End program error score: 0.006875859482435304