81.343 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.055 * * * [progress]: [2/2] Setting up program.
0.070 * [progress]: [Phase 2 of 3] Improving.
0.072 * [simplify]: Simplifying:
  (sqrt (+ x y))
0.076 * * [simplify]: Extracting # 0 : cost  0
0.076 * * [simplify]: Extracting # 1 : cost  0
0.076 * * [simplify]: Extracting # 2 : cost  0
0.076 * * [simplify]: Extracting # 3 : cost  0
0.076 * * [simplify]: Extracting # 4 : cost  0
0.076 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
0.077 * * [simplify]: Extracting # 0 : cost  0
0.077 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
0.079 * * [simplify]: Extracting # 0 : cost  0
0.079 * * [simplify]: iteration done:  5  enodes  (cost  4 )
0.079 * [simplify]: Simplified to:
  (sqrt (+ x y))
0.079 * * [progress]: iteration 1 / 4
0.079 * * * [progress]: picking best candidate
0.082 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ x y)))>
0.082 * * * [progress]: localizing error
0.099 * * * [progress]: generating rewritten candidates
0.100 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.126 * * * [progress]: generating series expansions
0.126 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.142 * [backup-simplify]: Simplify (sqrt (+ x y)) into (sqrt (+ x y))
0.142 * [approximate]: Taking taylor expansion of (sqrt (+ x y)) in (x y) around 0
0.142 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in y
0.144 * [taylor]: Taking taylor expansion of (+ x y) in y
0.144 * [taylor]: Taking taylor expansion of x in y
0.144 * [backup-simplify]: Simplify x into x
0.144 * [taylor]: Taking taylor expansion of y in y
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 1 into 1
0.145 * [backup-simplify]: Simplify (+ x 0) into x
0.145 * [backup-simplify]: Simplify (sqrt x) into (sqrt x)
0.146 * [backup-simplify]: Simplify (+ 0 1) into 1
0.146 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt x))) into (* 1/2 (sqrt (/ 1 x)))
0.146 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.146 * [taylor]: Taking taylor expansion of (+ x y) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify 1 into 1
0.146 * [taylor]: Taking taylor expansion of y in x
0.146 * [backup-simplify]: Simplify y into y
0.146 * [backup-simplify]: Simplify (+ 0 y) into y
0.146 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.147 * [backup-simplify]: Simplify (+ 1 0) into 1
0.147 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.147 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.147 * [taylor]: Taking taylor expansion of (+ x y) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 1 into 1
0.147 * [taylor]: Taking taylor expansion of y in x
0.147 * [backup-simplify]: Simplify y into y
0.147 * [backup-simplify]: Simplify (+ 0 y) into y
0.147 * [backup-simplify]: Simplify (sqrt y) into (sqrt y)
0.156 * [backup-simplify]: Simplify (+ 1 0) into 1
0.156 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt y))) into (* 1/2 (sqrt (/ 1 y)))
0.156 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.156 * [taylor]: Taking taylor expansion of y in y
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify 1 into 1
0.157 * [backup-simplify]: Simplify (sqrt 0) into 0
0.159 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.159 * [backup-simplify]: Simplify 0 into 0
0.159 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.159 * [taylor]: Taking taylor expansion of 1/2 in y
0.159 * [backup-simplify]: Simplify 1/2 into 1/2
0.159 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.159 * [taylor]: Taking taylor expansion of y in y
0.159 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify 1 into 1
0.160 * [backup-simplify]: Simplify (/ 1 1) into 1
0.160 * [backup-simplify]: Simplify (sqrt 0) into 0
0.161 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.163 * [backup-simplify]: Simplify (+ (* 1/2 +nan.0) (* 0 0)) into (- +nan.0)
0.163 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.164 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.165 * [backup-simplify]: Simplify (+ 0 0) into 0
0.167 * [backup-simplify]: Simplify (/ (- 0 (pow (* 1/2 (sqrt (/ 1 y))) 2) (+)) (* 2 (sqrt y))) into (* -1/8 (sqrt (/ 1 (pow y 3))))
0.167 * [taylor]: Taking taylor expansion of (* -1/8 (sqrt (/ 1 (pow y 3)))) in y
0.167 * [taylor]: Taking taylor expansion of -1/8 in y
0.167 * [backup-simplify]: Simplify -1/8 into -1/8
0.167 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (pow y 3))) in y
0.167 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.167 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.167 * [taylor]: Taking taylor expansion of y in y
0.167 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify 1 into 1
0.167 * [backup-simplify]: Simplify (* 1 1) into 1
0.168 * [backup-simplify]: Simplify (* 1 1) into 1
0.168 * [backup-simplify]: Simplify (/ 1 1) into 1
0.169 * [backup-simplify]: Simplify (sqrt 0) into 0
0.170 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.171 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.171 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.172 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.186 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.189 * [backup-simplify]: Simplify (+ (* -1/8 +nan.0) (+ (* 0 +nan.0) (* 0 0))) into (- +nan.0)
0.190 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.212 * [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))))))
0.212 * [backup-simplify]: Simplify (sqrt (+ (/ 1 x) (/ 1 y))) into (sqrt (+ (/ 1 y) (/ 1 x)))
0.212 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.212 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in y
0.212 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.212 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.212 * [taylor]: Taking taylor expansion of y in y
0.212 * [backup-simplify]: Simplify 0 into 0
0.212 * [backup-simplify]: Simplify 1 into 1
0.213 * [backup-simplify]: Simplify (/ 1 1) into 1
0.213 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.213 * [taylor]: Taking taylor expansion of x in y
0.213 * [backup-simplify]: Simplify x into x
0.213 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.213 * [backup-simplify]: Simplify (+ 1 0) into 1
0.216 * [backup-simplify]: Simplify (sqrt 0) into 0
0.218 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.218 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.218 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.218 * [taylor]: Taking taylor expansion of y in x
0.218 * [backup-simplify]: Simplify y into y
0.218 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.218 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.218 * [backup-simplify]: Simplify 0 into 0
0.218 * [backup-simplify]: Simplify 1 into 1
0.218 * [backup-simplify]: Simplify (/ 1 1) into 1
0.219 * [backup-simplify]: Simplify (+ 0 1) into 1
0.219 * [backup-simplify]: Simplify (sqrt 0) into 0
0.220 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.221 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.221 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.221 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.221 * [taylor]: Taking taylor expansion of y in x
0.221 * [backup-simplify]: Simplify y into y
0.221 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.221 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [backup-simplify]: Simplify 0 into 0
0.221 * [backup-simplify]: Simplify 1 into 1
0.221 * [backup-simplify]: Simplify (/ 1 1) into 1
0.222 * [backup-simplify]: Simplify (+ 0 1) into 1
0.222 * [backup-simplify]: Simplify (sqrt 0) into 0
0.409 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
0.410 * [taylor]: Taking taylor expansion of 0 in y
0.410 * [backup-simplify]: Simplify 0 into 0
0.410 * [taylor]: Taking taylor expansion of +nan.0 in y
0.410 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.410 * [backup-simplify]: Simplify 0 into 0
0.416 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.416 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.418 * [backup-simplify]: Simplify (/ (- (/ 1 y) (pow +nan.0 2) (+)) (* 2 0)) into (* +nan.0 (- (/ 1 y) +nan.0))
0.418 * [taylor]: Taking taylor expansion of (* +nan.0 (- (/ 1 y) +nan.0)) in y
0.418 * [taylor]: Taking taylor expansion of +nan.0 in y
0.418 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.418 * [taylor]: Taking taylor expansion of (- (/ 1 y) +nan.0) in y
0.418 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.418 * [taylor]: Taking taylor expansion of y in y
0.418 * [backup-simplify]: Simplify 0 into 0
0.418 * [backup-simplify]: Simplify 1 into 1
0.418 * [backup-simplify]: Simplify (/ 1 1) into 1
0.418 * [taylor]: Taking taylor expansion of +nan.0 in y
0.418 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.419 * [backup-simplify]: Simplify (+ 1 0) into 1
0.420 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.420 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.421 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.421 * [backup-simplify]: Simplify 0 into 0
0.421 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.422 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.422 * [backup-simplify]: Simplify (+ 0 0) into 0
0.423 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 (* +nan.0 (- (/ 1 y) +nan.0)))))) (* 2 0)) into (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0)))
0.423 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.423 * [taylor]: Taking taylor expansion of +nan.0 in y
0.423 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.423 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.424 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.424 * [taylor]: Taking taylor expansion of +nan.0 in y
0.424 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.424 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.424 * [taylor]: Taking taylor expansion of y in y
0.424 * [backup-simplify]: Simplify 0 into 0
0.424 * [backup-simplify]: Simplify 1 into 1
0.424 * [backup-simplify]: Simplify (/ 1 1) into 1
0.424 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.424 * [taylor]: Taking taylor expansion of +nan.0 in y
0.424 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.425 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.425 * [backup-simplify]: Simplify (+ +nan.0 0) into (- +nan.0)
0.426 * [backup-simplify]: Simplify (* +nan.0 (- +nan.0)) into +nan.0
0.426 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.427 * [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)))))
0.427 * [backup-simplify]: Simplify (sqrt (+ (/ 1 (- x)) (/ 1 (- y)))) into (sqrt (- (+ (/ 1 y) (/ 1 x))))
0.427 * [approximate]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.427 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in y
0.427 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in y
0.427 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.427 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.427 * [taylor]: Taking taylor expansion of y in y
0.427 * [backup-simplify]: Simplify 0 into 0
0.427 * [backup-simplify]: Simplify 1 into 1
0.427 * [backup-simplify]: Simplify (/ 1 1) into 1
0.428 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.428 * [taylor]: Taking taylor expansion of x in y
0.428 * [backup-simplify]: Simplify x into x
0.428 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.428 * [backup-simplify]: Simplify (+ 1 0) into 1
0.428 * [backup-simplify]: Simplify (- 1) into -1
0.429 * [backup-simplify]: Simplify (sqrt 0) into 0
0.429 * [backup-simplify]: Simplify (- 1) into -1
0.431 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.431 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in x
0.431 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in x
0.431 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.431 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.431 * [taylor]: Taking taylor expansion of y in x
0.431 * [backup-simplify]: Simplify y into y
0.431 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.431 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.431 * [taylor]: Taking taylor expansion of x in x
0.431 * [backup-simplify]: Simplify 0 into 0
0.431 * [backup-simplify]: Simplify 1 into 1
0.431 * [backup-simplify]: Simplify (/ 1 1) into 1
0.432 * [backup-simplify]: Simplify (+ 0 1) into 1
0.432 * [backup-simplify]: Simplify (- 1) into -1
0.432 * [backup-simplify]: Simplify (sqrt 0) into 0
0.433 * [backup-simplify]: Simplify (- 1) into -1
0.434 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.434 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in x
0.434 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in x
0.434 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.434 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.434 * [taylor]: Taking taylor expansion of y in x
0.434 * [backup-simplify]: Simplify y into y
0.434 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.434 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.434 * [taylor]: Taking taylor expansion of x in x
0.434 * [backup-simplify]: Simplify 0 into 0
0.434 * [backup-simplify]: Simplify 1 into 1
0.435 * [backup-simplify]: Simplify (/ 1 1) into 1
0.436 * [backup-simplify]: Simplify (+ 0 1) into 1
0.436 * [backup-simplify]: Simplify (- 1) into -1
0.436 * [backup-simplify]: Simplify (sqrt 0) into 0
0.437 * [backup-simplify]: Simplify (- 1) into -1
0.438 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.438 * [taylor]: Taking taylor expansion of 0 in y
0.438 * [backup-simplify]: Simplify 0 into 0
0.438 * [taylor]: Taking taylor expansion of +nan.0 in y
0.438 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.438 * [backup-simplify]: Simplify 0 into 0
0.439 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.439 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.439 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.441 * [backup-simplify]: Simplify (/ (- (- (/ 1 y)) (pow +nan.0 2) (+)) (* 2 0)) into (* +nan.0 (+ (/ 1 y) (- +nan.0)))
0.441 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (/ 1 y) (- +nan.0))) in y
0.441 * [taylor]: Taking taylor expansion of +nan.0 in y
0.441 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.441 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (- +nan.0)) in y
0.441 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.441 * [taylor]: Taking taylor expansion of y in y
0.441 * [backup-simplify]: Simplify 0 into 0
0.441 * [backup-simplify]: Simplify 1 into 1
0.441 * [backup-simplify]: Simplify (/ 1 1) into 1
0.442 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.442 * [taylor]: Taking taylor expansion of +nan.0 in y
0.442 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.442 * [backup-simplify]: Simplify (+ 1 0) into 1
0.442 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.443 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.443 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.443 * [backup-simplify]: Simplify 0 into 0
0.443 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.444 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.444 * [backup-simplify]: Simplify (+ 0 0) into 0
0.444 * [backup-simplify]: Simplify (- 0) into 0
0.445 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 (* +nan.0 (+ (/ 1 y) (- +nan.0))))))) (* 2 0)) into (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0)))
0.445 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.446 * [taylor]: Taking taylor expansion of +nan.0 in y
0.446 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.446 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.446 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.446 * [taylor]: Taking taylor expansion of +nan.0 in y
0.446 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.446 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.446 * [taylor]: Taking taylor expansion of y in y
0.446 * [backup-simplify]: Simplify 0 into 0
0.446 * [backup-simplify]: Simplify 1 into 1
0.446 * [backup-simplify]: Simplify (/ 1 1) into 1
0.446 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.446 * [taylor]: Taking taylor expansion of +nan.0 in y
0.446 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.447 * [backup-simplify]: Simplify (* +nan.0 1) into +nan.0
0.447 * [backup-simplify]: Simplify (+ +nan.0 0) into (- +nan.0)
0.458 * [backup-simplify]: Simplify (* +nan.0 (- +nan.0)) into +nan.0
0.458 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.459 * [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)))))
0.459 * * * [progress]: simplifying candidates
0.460 * [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 (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)))))
0.461 * * [simplify]: Extracting # 0 : cost  0
0.461 * * [simplify]: Extracting # 1 : cost  0
0.461 * * [simplify]: Extracting # 2 : cost  0
0.461 * * [simplify]: Extracting # 3 : cost  0
0.462 * * [simplify]: Extracting # 4 : cost  0
0.462 * * [simplify]: Extracting # 5 : cost  0
0.462 * * [simplify]: Extracting # 6 : cost  0
0.462 * * [simplify]: Extracting # 7 : cost  0
0.462 * * [simplify]: Extracting # 8 : cost  0
0.462 * * [simplify]: Extracting # 9 : cost  0
0.462 * * [simplify]: iteration  0 :  53  enodes  (cost  174 )
0.484 * * [simplify]: Extracting # 0 : cost  0
0.485 * * [simplify]: Extracting # 1 : cost  0
0.485 * * [simplify]: Extracting # 2 : cost  0
0.485 * * [simplify]: Extracting # 3 : cost  0
0.485 * * [simplify]: Extracting # 4 : cost  0
0.486 * * [simplify]: Extracting # 5 : cost  0
0.486 * * [simplify]: iteration  1 :  115  enodes  (cost  151 )
0.568 * * [simplify]: Extracting # 0 : cost  0
0.569 * * [simplify]: Extracting # 1 : cost  0
0.569 * * [simplify]: Extracting # 2 : cost  0
0.570 * * [simplify]: Extracting # 3 : cost  0
0.571 * * [simplify]: Extracting # 4 : cost  0
0.572 * * [simplify]: iteration  2 :  362  enodes  (cost  147 )
1.716 * * [simplify]: Extracting # 0 : cost  0
1.719 * * [simplify]: Extracting # 1 : cost  0
1.722 * * [simplify]: Extracting # 2 : cost  0
1.725 * * [simplify]: Extracting # 3 : cost  0
1.729 * * [simplify]: Extracting # 4 : cost  0
1.732 * * [simplify]: iteration  3 :  1544  enodes  (cost  137 )
4.302 * * [simplify]: Extracting # 0 : cost  0
4.334 * * [simplify]: Extracting # 1 : cost  0
4.347 * * [simplify]: Extracting # 2 : cost  0
4.647 * * [simplify]: Extracting # 3 : cost  0
4.680 * * [simplify]: Extracting # 4 : cost  0
4.689 * * [simplify]: iteration done:  5000  enodes  (cost  137 )
4.709 * [simplify]: Simplified to:
  (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))
  (sqrt (+ (pow x 3) (pow y 3)))
  (sqrt (+ (* x x) (* y (- y x))))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- x y))
  1/2
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (- (* +nan.0 (- (* x x) (- x y))))
  (- (+ +nan.0 (* (/ y x) (- (/ +nan.0 x) +nan.0))))
  (- (+ +nan.0 (* (/ y x) (- (/ +nan.0 x) +nan.0))))
4.719 * * * [progress]: adding candidates to table
4.886 * [progress]: [Phase 3 of 3] Extracting.
4.892 * [simplify]: Simplifying:
  (sqrt (+ x y))
4.896 * * [simplify]: Extracting # 0 : cost  0
4.896 * * [simplify]: Extracting # 1 : cost  0
4.896 * * [simplify]: Extracting # 2 : cost  0
4.896 * * [simplify]: Extracting # 3 : cost  0
4.896 * * [simplify]: Extracting # 4 : cost  0
4.896 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
4.903 * * [simplify]: Extracting # 0 : cost  0
4.903 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
4.904 * * [simplify]: Extracting # 0 : cost  0
4.904 * * [simplify]: iteration done:  5  enodes  (cost  4 )
4.904 * [simplify]: Simplified to:
  (sqrt (+ x y))
9.744 * [regime-testing]: Baseline error score: 0.007000875109388674
9.748 * [regime-testing]: Oracle error score: 0.007000875109388674
9.756 * [regime-testing]: End program error score: 0.007000875109388674