40.315 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying:
  (sqrt (+ x y))
0.030 * * [simplify]: iteration 0: 4 enodes
0.030 * * [simplify]: iteration 1: 5 enodes
0.031 * * [simplify]: iteration complete: 5 enodes
0.031 * * [simplify]: Extracting #0: cost 1 inf + 0
0.031 * * [simplify]: Extracting #1: cost 2 inf + 0
0.031 * * [simplify]: Extracting #2: cost 4 inf + 0
0.031 * * [simplify]: Extracting #3: cost 2 inf + 2
0.031 * * [simplify]: Extracting #4: cost 0 inf + 126
0.031 * [simplify]: Simplified to:
  (sqrt (+ y x))
0.032 * * [progress]: iteration 1 / 4
0.032 * * * [progress]: picking best candidate
0.036 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ x y)))>
0.036 * * * [progress]: localizing error
0.043 * * * [progress]: generating rewritten candidates
0.043 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.052 * * * [progress]: generating series expansions
0.052 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.052 * [backup-simplify]: Simplify (sqrt (+ x y)) into (sqrt (+ x y))
0.052 * [approximate]: Taking taylor expansion of (sqrt (+ x y)) in (x y) around 0
0.052 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in y
0.052 * [taylor]: Taking taylor expansion of (+ x y) in y
0.052 * [taylor]: Taking taylor expansion of x in y
0.052 * [backup-simplify]: Simplify x into x
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [backup-simplify]: Simplify 0 into 0
0.052 * [backup-simplify]: Simplify 1 into 1
0.052 * [backup-simplify]: Simplify (+ x 0) into x
0.052 * [backup-simplify]: Simplify (sqrt x) into (sqrt x)
0.052 * [backup-simplify]: Simplify (+ 0 1) into 1
0.053 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt x))) into (* 1/2 (sqrt (/ 1 x)))
0.053 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.053 * [taylor]: Taking taylor expansion of (+ x y) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.053 * [backup-simplify]: Simplify 0 into 0
0.053 * [backup-simplify]: Simplify 1 into 1
0.053 * [taylor]: Taking taylor expansion of y in x
0.053 * [backup-simplify]: Simplify y into y
0.053 * [backup-simplify]: Simplify (+ 0 y) into y
0.053 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.053 * [backup-simplify]: Simplify (+ 1 0) into 1
0.053 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.053 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.053 * [taylor]: Taking taylor expansion of (+ x y) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.053 * [backup-simplify]: Simplify 0 into 0
0.053 * [backup-simplify]: Simplify 1 into 1
0.053 * [taylor]: Taking taylor expansion of y in x
0.053 * [backup-simplify]: Simplify y into y
0.053 * [backup-simplify]: Simplify (+ 0 y) into y
0.053 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.054 * [backup-simplify]: Simplify (+ 1 0) into 1
0.054 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.054 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.054 * [taylor]: Taking taylor expansion of y in y
0.054 * [backup-simplify]: Simplify 0 into 0
0.054 * [backup-simplify]: Simplify 1 into 1
0.054 * [backup-simplify]: Simplify (sqrt 0) into 0
0.055 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.055 * [backup-simplify]: Simplify 0 into 0
0.056 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.056 * [taylor]: Taking taylor expansion of 1/2 in y
0.056 * [backup-simplify]: Simplify 1/2 into 1/2
0.056 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.056 * [backup-simplify]: Simplify 0 into 0
0.056 * [backup-simplify]: Simplify 1 into 1
0.056 * [backup-simplify]: Simplify (/ 1 1) into 1
0.056 * [backup-simplify]: Simplify (sqrt 0) into 0
0.057 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.058 * [backup-simplify]: Simplify (+ (* 1/2 +nan.0) (* 0 0)) into (- +nan.0)
0.059 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.059 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.059 * [backup-simplify]: Simplify (+ 0 0) into 0
0.060 * [backup-simplify]: Simplify (/ (- 0 (pow (* 1/2 (sqrt (/ 1 y))) 2) (+)) (* 2 (sqrt y))) into (* -1/8 (sqrt (/ 1 (pow y 3))))
0.060 * [taylor]: Taking taylor expansion of (* -1/8 (sqrt (/ 1 (pow y 3)))) in y
0.060 * [taylor]: Taking taylor expansion of -1/8 in y
0.060 * [backup-simplify]: Simplify -1/8 into -1/8
0.060 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (pow y 3))) in y
0.060 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.060 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.060 * [taylor]: Taking taylor expansion of y in y
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.060 * [backup-simplify]: Simplify (* 1 1) into 1
0.060 * [backup-simplify]: Simplify (* 1 1) into 1
0.061 * [backup-simplify]: Simplify (/ 1 1) into 1
0.061 * [backup-simplify]: Simplify (sqrt 0) into 0
0.062 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.062 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.063 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.063 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.066 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.067 * [backup-simplify]: Simplify (+ (* -1/8 +nan.0) (+ (* 0 +nan.0) (* 0 0))) into (- +nan.0)
0.067 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.068 * [backup-simplify]: Simplify (+ (* (- +nan.0) (pow (* 1 x) 2)) (+ (* +nan.0 (* y 1)) (* (- +nan.0) (* 1 x)))) into (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 2)) (- (* +nan.0 y))))))
0.069 * [backup-simplify]: Simplify (sqrt (+ (/ 1 x) (/ 1 y))) into (sqrt (+ (/ 1 x) (/ 1 y)))
0.069 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 x) (/ 1 y))) in (x y) around 0
0.069 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) (/ 1 y))) in y
0.069 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.069 * [backup-simplify]: Simplify x into x
0.069 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.069 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify 1 into 1
0.069 * [backup-simplify]: Simplify (/ 1 1) into 1
0.070 * [backup-simplify]: Simplify (+ 0 1) into 1
0.070 * [backup-simplify]: Simplify (sqrt 0) into 0
0.071 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.071 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) (/ 1 y))) in x
0.071 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 1 into 1
0.071 * [backup-simplify]: Simplify (/ 1 1) into 1
0.071 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.071 * [taylor]: Taking taylor expansion of y in x
0.071 * [backup-simplify]: Simplify y into y
0.071 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.072 * [backup-simplify]: Simplify (+ 1 0) into 1
0.072 * [backup-simplify]: Simplify (sqrt 0) into 0
0.073 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.073 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) (/ 1 y))) in x
0.073 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify 1 into 1
0.073 * [backup-simplify]: Simplify (/ 1 1) into 1
0.074 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.074 * [taylor]: Taking taylor expansion of y in x
0.074 * [backup-simplify]: Simplify y into y
0.074 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.074 * [backup-simplify]: Simplify (+ 1 0) into 1
0.074 * [backup-simplify]: Simplify (sqrt 0) into 0
0.075 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [backup-simplify]: Simplify 0 into 0
0.075 * [taylor]: Taking taylor expansion of +nan.0 in y
0.075 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.075 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.076 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.077 * [backup-simplify]: Simplify (/ (- (/ 1 y) (pow +nan.0 2) (+)) (* 2 0)) into (* +nan.0 (- (/ 1 y) +nan.0))
0.077 * [taylor]: Taking taylor expansion of (* +nan.0 (- (/ 1 y) +nan.0)) in y
0.077 * [taylor]: Taking taylor expansion of +nan.0 in y
0.077 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.077 * [taylor]: Taking taylor expansion of (- (/ 1 y) +nan.0) in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.078 * [backup-simplify]: Simplify (/ 1 1) into 1
0.078 * [taylor]: Taking taylor expansion of +nan.0 in y
0.078 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.078 * [backup-simplify]: Simplify (+ 1 0) into 1
0.078 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.078 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.078 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.078 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.079 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.079 * [backup-simplify]: Simplify (+ 0 0) into 0
0.080 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 (* +nan.0 (- (/ 1 y) +nan.0)))))) (* 2 0)) into (* +nan.0 (+ +nan.0 (- (* +nan.0 (/ 1 y)))))
0.080 * [taylor]: Taking taylor expansion of (* +nan.0 (+ +nan.0 (- (* +nan.0 (/ 1 y))))) in y
0.080 * [taylor]: Taking taylor expansion of +nan.0 in y
0.080 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.080 * [taylor]: Taking taylor expansion of (+ +nan.0 (- (* +nan.0 (/ 1 y)))) in y
0.080 * [taylor]: Taking taylor expansion of +nan.0 in y
0.080 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.080 * [taylor]: Taking taylor expansion of (- (* +nan.0 (/ 1 y))) in y
0.080 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.080 * [taylor]: Taking taylor expansion of +nan.0 in y
0.080 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (/ 1 1) into 1
0.081 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.081 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.082 * [backup-simplify]: Simplify (+ 0 (- +nan.0)) into (- +nan.0)
0.083 * [backup-simplify]: Simplify (* +nan.0 (- +nan.0)) into +nan.0
0.083 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.083 * [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)))))
0.083 * [backup-simplify]: Simplify (sqrt (+ (/ 1 (- x)) (/ 1 (- y)))) into (sqrt (- (+ (/ 1 x) (/ 1 y))))
0.083 * [approximate]: Taking taylor expansion of (sqrt (- (+ (/ 1 x) (/ 1 y)))) in (x y) around 0
0.083 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 x) (/ 1 y)))) in y
0.083 * [taylor]: Taking taylor expansion of (- (+ (/ 1 x) (/ 1 y))) in y
0.083 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.083 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.083 * [taylor]: Taking taylor expansion of x in y
0.083 * [backup-simplify]: Simplify x into x
0.083 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.083 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 1 into 1
0.084 * [backup-simplify]: Simplify (/ 1 1) into 1
0.084 * [backup-simplify]: Simplify (+ 0 1) into 1
0.084 * [backup-simplify]: Simplify (- 1) into -1
0.085 * [backup-simplify]: Simplify (sqrt 0) into 0
0.085 * [backup-simplify]: Simplify (- 1) into -1
0.086 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.086 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 x) (/ 1 y)))) in x
0.086 * [taylor]: Taking taylor expansion of (- (+ (/ 1 x) (/ 1 y))) in x
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
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 * [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)
0.087 * [backup-simplify]: Simplify (+ 1 0) into 1
0.087 * [backup-simplify]: Simplify (- 1) into -1
0.087 * [backup-simplify]: Simplify (sqrt 0) into 0
0.088 * [backup-simplify]: Simplify (- 1) into -1
0.089 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.089 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 x) (/ 1 y)))) in x
0.089 * [taylor]: Taking taylor expansion of (- (+ (/ 1 x) (/ 1 y))) in x
0.089 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.089 * [taylor]: Taking taylor expansion of x in x
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 (/ 1 y) in x
0.089 * [taylor]: Taking taylor expansion of y in x
0.089 * [backup-simplify]: Simplify y into y
0.089 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.090 * [backup-simplify]: Simplify (+ 1 0) into 1
0.090 * [backup-simplify]: Simplify (- 1) into -1
0.090 * [backup-simplify]: Simplify (sqrt 0) into 0
0.090 * [backup-simplify]: Simplify (- 1) into -1
0.091 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.091 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [backup-simplify]: Simplify 0 into 0
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 0 into 0
0.092 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.092 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.092 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.093 * [backup-simplify]: Simplify (/ (- (- (/ 1 y)) (pow +nan.0 2) (+)) (* 2 0)) into (* +nan.0 (+ +nan.0 (/ 1 y)))
0.093 * [taylor]: Taking taylor expansion of (* +nan.0 (+ +nan.0 (/ 1 y))) in y
0.093 * [taylor]: Taking taylor expansion of +nan.0 in y
0.093 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.093 * [taylor]: Taking taylor expansion of (+ +nan.0 (/ 1 y)) in y
0.093 * [taylor]: Taking taylor expansion of +nan.0 in y
0.093 * [backup-simplify]: Simplify +nan.0 into +nan.0
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
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify (/ 1 1) into 1
0.094 * [backup-simplify]: Simplify (+ 0 1) into 1
0.094 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.095 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.095 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.096 * [backup-simplify]: Simplify (+ 0 0) into 0
0.096 * [backup-simplify]: Simplify (- 0) into 0
0.096 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 (* +nan.0 (+ +nan.0 (/ 1 y))))))) (* 2 0)) into (* +nan.0 (+ +nan.0 (- (* +nan.0 (/ 1 y)))))
0.096 * [taylor]: Taking taylor expansion of (* +nan.0 (+ +nan.0 (- (* +nan.0 (/ 1 y))))) in y
0.097 * [taylor]: Taking taylor expansion of +nan.0 in y
0.097 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.097 * [taylor]: Taking taylor expansion of (+ +nan.0 (- (* +nan.0 (/ 1 y)))) in y
0.097 * [taylor]: Taking taylor expansion of +nan.0 in y
0.097 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.097 * [taylor]: Taking taylor expansion of (- (* +nan.0 (/ 1 y))) in y
0.097 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.097 * [taylor]: Taking taylor expansion of +nan.0 in y
0.097 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.097 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.097 * [taylor]: Taking taylor expansion of y in y
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [backup-simplify]: Simplify (/ 1 1) into 1
0.097 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.098 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.098 * [backup-simplify]: Simplify (+ 0 (- +nan.0)) into (- +nan.0)
0.099 * [backup-simplify]: Simplify (* +nan.0 (- +nan.0)) into +nan.0
0.099 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.099 * [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)))))
0.100 * * * [progress]: simplifying candidates
0.100 * [simplify]: Simplifying:
  (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 x) (- (+ (* +nan.0 (pow x 2)) (- (* +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)))))
0.100 * * [simplify]: iteration 0: 53 enodes
0.119 * * [simplify]: iteration 1: 115 enodes
0.153 * * [simplify]: iteration 2: 268 enodes
0.221 * * [simplify]: iteration 3: 701 enodes
0.447 * * [simplify]: iteration 4: 1745 enodes
1.155 * * [simplify]: iteration 5: 4554 enodes
2.333 * * [simplify]: iteration complete: 5000 enodes
2.333 * * [simplify]: Extracting #0: cost 17 inf + 0
2.333 * * [simplify]: Extracting #1: cost 91 inf + 2
2.335 * * [simplify]: Extracting #2: cost 405 inf + 5
2.343 * * [simplify]: Extracting #3: cost 496 inf + 7330
2.354 * * [simplify]: Extracting #4: cost 160 inf + 43542
2.369 * * [simplify]: Extracting #5: cost 89 inf + 61026
2.386 * * [simplify]: Extracting #6: cost 119 inf + 69055
2.406 * * [simplify]: Extracting #7: cost 130 inf + 77528
2.425 * * [simplify]: Extracting #8: cost 23 inf + 101347
2.443 * * [simplify]: Extracting #9: cost 0 inf + 107415
2.462 * [simplify]: Simplified to:
  (log (sqrt (+ x y)))
  (exp (sqrt (+ x y)))
  (* (cbrt (sqrt (+ x y))) (cbrt (sqrt (+ x y))))
  (cbrt (sqrt (+ x y)))
  (* (+ x y) (sqrt (+ x y)))
  (fabs (cbrt (+ x y)))
  (sqrt (cbrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  1
  (sqrt (+ x y))
  1
  (sqrt (+ x y))
  (sqrt (+ (* y (* y y)) (* x (* x x))))
  (sqrt (+ (* y (- y x)) (* x x)))
  (sqrt (* (+ x y) (- x y)))
  (sqrt (- x y))
  1/2
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (* +nan.0 (- (- (* x x) y) x))
  (- (- (/ (* y +nan.0) x) +nan.0) (/ (/ (* y +nan.0) x) x))
  (- (- (/ (* y +nan.0) x) +nan.0) (/ (/ (* y +nan.0) x) x))
2.463 * * * [progress]: adding candidates to table
2.518 * [progress]: [Phase 3 of 3] Extracting.
2.521 * [simplify]: Simplifying:
  (sqrt (+ x y))
2.521 * * [simplify]: iteration 0: 4 enodes
2.521 * * [simplify]: iteration 1: 5 enodes
2.522 * * [simplify]: iteration complete: 5 enodes
2.522 * * [simplify]: Extracting #0: cost 1 inf + 0
2.522 * * [simplify]: Extracting #1: cost 2 inf + 0
2.522 * * [simplify]: Extracting #2: cost 4 inf + 0
2.522 * * [simplify]: Extracting #3: cost 2 inf + 2
2.522 * * [simplify]: Extracting #4: cost 0 inf + 126
2.522 * [simplify]: Simplified to:
  (sqrt (+ y x))
3.633 * [regime-testing]: Baseline error score: 0.006375796974621828
3.642 * [regime-testing]: Oracle error score: 0.006375796974621828
3.642 * [regime-testing]: End program error score: 0.006375796974621828