1.465 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ x (+ 1.0 (sqrt (+ x 1.0))))
0.015 * * [simplify]: iteration  0 :  6  enodes  (cost  8 )
0.016 * * [simplify]: iteration  1 :  8  enodes  (cost  8 )
0.017 * * [simplify]: iteration  done :  8  enodes  (cost  8 )
0.017 * [simplify]: Simplified to:
   (/ x (+ 1.0 (sqrt (+ x 1.0))))
0.017 * * [progress]: iteration 1 / 4
0.017 * * * [progress]: picking best candidate
0.018 * * * * [pick]: Picked  #<alt (λ (x) (/ x (+ 1.0 (sqrt (+ x 1.0)))))>
0.018 * * * [progress]: localizing error
0.023 * * * [progress]: generating rewritten candidates
0.024 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.041 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
0.050 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2)
0.060 * * * [progress]: generating series expansions
0.061 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.061 * [approximate]: Taking taylor expansion of (/ x (+ (sqrt (+ x 1.0)) 1.0)) in (x) around 0
0.061 * [taylor]: Taking taylor expansion of (/ x (+ (sqrt (+ x 1.0)) 1.0)) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (+ (sqrt (+ x 1.0)) 1.0) in x
0.061 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.061 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of 1.0 in x
0.063 * [taylor]: Taking taylor expansion of 1.0 in x
0.065 * [taylor]: Taking taylor expansion of (/ x (+ (sqrt (+ x 1.0)) 1.0)) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of (+ (sqrt (+ x 1.0)) 1.0) in x
0.065 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.065 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of 1.0 in x
0.067 * [taylor]: Taking taylor expansion of 1.0 in x
0.128 * [approximate]: Taking taylor expansion of (/ 1 (* x (+ (sqrt (+ 1.0 (/ 1 x))) 1.0))) in (x) around 0
0.128 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (sqrt (+ 1.0 (/ 1 x))) 1.0))) in x
0.128 * [taylor]: Taking taylor expansion of (* x (+ (sqrt (+ 1.0 (/ 1 x))) 1.0)) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of (+ (sqrt (+ 1.0 (/ 1 x))) 1.0) in x
0.128 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.128 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.128 * [taylor]: Taking taylor expansion of 1.0 in x
0.128 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of 1.0 in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (sqrt (+ 1.0 (/ 1 x))) 1.0))) in x
0.136 * [taylor]: Taking taylor expansion of (* x (+ (sqrt (+ 1.0 (/ 1 x))) 1.0)) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (+ (sqrt (+ 1.0 (/ 1 x))) 1.0) in x
0.137 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.137 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of 1.0 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of 1.0 in x
0.167 * [approximate]: Taking taylor expansion of (/ -1 (* x (+ (sqrt (- 1.0 (/ 1 x))) 1.0))) in (x) around 0
0.167 * [taylor]: Taking taylor expansion of (/ -1 (* x (+ (sqrt (- 1.0 (/ 1 x))) 1.0))) in x
0.167 * [taylor]: Taking taylor expansion of -1 in x
0.167 * [taylor]: Taking taylor expansion of (* x (+ (sqrt (- 1.0 (/ 1 x))) 1.0)) in x
0.167 * [taylor]: Taking taylor expansion of x in x
0.167 * [taylor]: Taking taylor expansion of (+ (sqrt (- 1.0 (/ 1 x))) 1.0) in x
0.167 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.167 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.167 * [taylor]: Taking taylor expansion of 1.0 in x
0.167 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.167 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of 1.0 in x
0.177 * [taylor]: Taking taylor expansion of (/ -1 (* x (+ (sqrt (- 1.0 (/ 1 x))) 1.0))) in x
0.177 * [taylor]: Taking taylor expansion of -1 in x
0.177 * [taylor]: Taking taylor expansion of (* x (+ (sqrt (- 1.0 (/ 1 x))) 1.0)) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (+ (sqrt (- 1.0 (/ 1 x))) 1.0) in x
0.177 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.177 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.177 * [taylor]: Taking taylor expansion of 1.0 in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.179 * [taylor]: Taking taylor expansion of 1.0 in x
0.206 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
0.206 * [approximate]: Taking taylor expansion of (+ (sqrt (+ x 1.0)) 1.0) in (x) around 0
0.206 * [taylor]: Taking taylor expansion of (+ (sqrt (+ x 1.0)) 1.0) in x
0.206 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.206 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.206 * [taylor]: Taking taylor expansion of x in x
0.206 * [taylor]: Taking taylor expansion of 1.0 in x
0.208 * [taylor]: Taking taylor expansion of 1.0 in x
0.208 * [taylor]: Taking taylor expansion of (+ (sqrt (+ x 1.0)) 1.0) in x
0.208 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.208 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of 1.0 in x
0.210 * [taylor]: Taking taylor expansion of 1.0 in x
0.224 * [approximate]: Taking taylor expansion of (+ (sqrt (+ 1.0 (/ 1 x))) 1.0) in (x) around 0
0.224 * [taylor]: Taking taylor expansion of (+ (sqrt (+ 1.0 (/ 1 x))) 1.0) in x
0.224 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.224 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.224 * [taylor]: Taking taylor expansion of 1.0 in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.226 * [taylor]: Taking taylor expansion of 1.0 in x
0.226 * [taylor]: Taking taylor expansion of (+ (sqrt (+ 1.0 (/ 1 x))) 1.0) in x
0.226 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.226 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.226 * [taylor]: Taking taylor expansion of 1.0 in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.231 * [taylor]: Taking taylor expansion of 1.0 in x
0.239 * [approximate]: Taking taylor expansion of (+ (sqrt (- 1.0 (/ 1 x))) 1.0) in (x) around 0
0.239 * [taylor]: Taking taylor expansion of (+ (sqrt (- 1.0 (/ 1 x))) 1.0) in x
0.239 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.239 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.239 * [taylor]: Taking taylor expansion of 1.0 in x
0.239 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.239 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of 1.0 in x
0.241 * [taylor]: Taking taylor expansion of (+ (sqrt (- 1.0 (/ 1 x))) 1.0) in x
0.241 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.241 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.241 * [taylor]: Taking taylor expansion of 1.0 in x
0.241 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.243 * [taylor]: Taking taylor expansion of 1.0 in x
0.252 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2)
0.252 * [approximate]: Taking taylor expansion of (sqrt (+ x 1.0)) in (x) around 0
0.252 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.252 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.252 * [taylor]: Taking taylor expansion of x in x
0.252 * [taylor]: Taking taylor expansion of 1.0 in x
0.254 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.254 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.254 * [taylor]: Taking taylor expansion of x in x
0.254 * [taylor]: Taking taylor expansion of 1.0 in x
0.264 * [approximate]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in (x) around 0
0.264 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.264 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.264 * [taylor]: Taking taylor expansion of 1.0 in x
0.264 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.265 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.265 * [taylor]: Taking taylor expansion of 1.0 in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.273 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in (x) around 0
0.273 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.273 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.273 * [taylor]: Taking taylor expansion of 1.0 in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.275 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.275 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.275 * [taylor]: Taking taylor expansion of 1.0 in x
0.275 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.275 * [taylor]: Taking taylor expansion of x in x
0.284 * * * [progress]: simplifying candidates
0.285 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ x (+ 1.0 (sqrt (+ x 1.0)))))
  (log1p (/ x (+ 1.0 (sqrt (+ x 1.0)))))
  (- (log x) (log (+ 1.0 (sqrt (+ x 1.0)))))
  (log (/ x (+ 1.0 (sqrt (+ x 1.0)))))
  (exp (/ x (+ 1.0 (sqrt (+ x 1.0)))))
  (/ (* (* x x) x) (* (* (+ 1.0 (sqrt (+ x 1.0))) (+ 1.0 (sqrt (+ x 1.0)))) (+ 1.0 (sqrt (+ x 1.0)))))
  (* (cbrt (/ x (+ 1.0 (sqrt (+ x 1.0))))) (cbrt (/ x (+ 1.0 (sqrt (+ x 1.0))))))
  (cbrt (/ x (+ 1.0 (sqrt (+ x 1.0)))))
  (* (* (/ x (+ 1.0 (sqrt (+ x 1.0)))) (/ x (+ 1.0 (sqrt (+ x 1.0))))) (/ x (+ 1.0 (sqrt (+ x 1.0)))))
  (sqrt (/ x (+ 1.0 (sqrt (+ x 1.0)))))
  (sqrt (/ x (+ 1.0 (sqrt (+ x 1.0)))))
  (- x)
  (- (+ 1.0 (sqrt (+ x 1.0))))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ 1.0 (sqrt (+ x 1.0)))) (cbrt (+ 1.0 (sqrt (+ x 1.0))))))
  (/ (cbrt x) (cbrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ (* (cbrt x) (cbrt x)) (sqrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ (cbrt x) (sqrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (+ 1.0 (sqrt (+ x 1.0))))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (+ 1.0 (sqrt (+ x 1.0))))
  (/ (sqrt x) (* (cbrt (+ 1.0 (sqrt (+ x 1.0)))) (cbrt (+ 1.0 (sqrt (+ x 1.0))))))
  (/ (sqrt x) (cbrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ (sqrt x) (sqrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ (sqrt x) (sqrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ (sqrt x) 1)
  (/ (sqrt x) (+ 1.0 (sqrt (+ x 1.0))))
  (/ (sqrt x) 1)
  (/ (sqrt x) (+ 1.0 (sqrt (+ x 1.0))))
  (/ 1 (* (cbrt (+ 1.0 (sqrt (+ x 1.0)))) (cbrt (+ 1.0 (sqrt (+ x 1.0))))))
  (/ x (cbrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ 1 (sqrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ x (sqrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ 1 1)
  (/ x (+ 1.0 (sqrt (+ x 1.0))))
  (/ 1 1)
  (/ x (+ 1.0 (sqrt (+ x 1.0))))
  (/ 1 (+ 1.0 (sqrt (+ x 1.0))))
  (/ (+ 1.0 (sqrt (+ x 1.0))) x)
  (/ x (* (cbrt (+ 1.0 (sqrt (+ x 1.0)))) (cbrt (+ 1.0 (sqrt (+ x 1.0))))))
  (/ x (sqrt (+ 1.0 (sqrt (+ x 1.0)))))
  (/ x 1)
  (/ x 1)
  (/ (+ 1.0 (sqrt (+ x 1.0))) (cbrt x))
  (/ (+ 1.0 (sqrt (+ x 1.0))) (sqrt x))
  (/ (+ 1.0 (sqrt (+ x 1.0))) x)
  (/ x (+ (pow 1.0 3) (pow (sqrt (+ x 1.0)) 3)))
  (/ x (- (* 1.0 1.0) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))))
  (expm1 (+ 1.0 (sqrt (+ x 1.0))))
  (log1p (+ 1.0 (sqrt (+ x 1.0))))
  (* (exp 1.0) (exp (sqrt (+ x 1.0))))
  (log (+ 1.0 (sqrt (+ x 1.0))))
  (exp (+ 1.0 (sqrt (+ x 1.0))))
  (* (cbrt (+ 1.0 (sqrt (+ x 1.0)))) (cbrt (+ 1.0 (sqrt (+ x 1.0)))))
  (cbrt (+ 1.0 (sqrt (+ x 1.0))))
  (* (* (+ 1.0 (sqrt (+ x 1.0))) (+ 1.0 (sqrt (+ x 1.0)))) (+ 1.0 (sqrt (+ x 1.0))))
  (sqrt (+ 1.0 (sqrt (+ x 1.0))))
  (sqrt (+ 1.0 (sqrt (+ x 1.0))))
  (+ (pow 1.0 3) (pow (sqrt (+ x 1.0)) 3))
  (+ (* 1.0 1.0) (- (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* 1.0 (sqrt (+ x 1.0)))))
  (- (* 1.0 1.0) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))))
  (- 1.0 (sqrt (+ x 1.0)))
  (+ 1.0 (sqrt (+ x 1.0)))
  (expm1 (sqrt (+ x 1.0)))
  (log1p (sqrt (+ x 1.0)))
  (log (sqrt (+ x 1.0)))
  (exp (sqrt (+ x 1.0)))
  (* (cbrt (sqrt (+ x 1.0))) (cbrt (sqrt (+ x 1.0))))
  (cbrt (sqrt (+ x 1.0)))
  (* (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (sqrt (+ x 1.0)))
  (sqrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (sqrt (cbrt (+ x 1.0)))
  (sqrt (sqrt (+ x 1.0)))
  (sqrt (sqrt (+ x 1.0)))
  (sqrt 1)
  (sqrt (+ x 1.0))
  (sqrt 1)
  (sqrt (+ x 1.0))
  (sqrt (+ (pow x 3) (pow 1.0 3)))
  (sqrt (+ (* x x) (- (* 1.0 1.0) (* x 1.0))))
  (sqrt (- (* x x) (* 1.0 1.0)))
  (sqrt (- x 1.0))
  (/ 1 2)
  (sqrt (sqrt (+ x 1.0)))
  (sqrt (sqrt (+ x 1.0)))
  (- (+ (/ x (+ (sqrt 1.0) 1.0)) (+ (* 1/8 (/ (pow x 3) (* (pow (sqrt 1.0) 3) (pow (+ (sqrt 1.0) 1.0) 2)))) (* 1/4 (/ (pow x 3) (* (pow (sqrt 1.0) 2) (pow (+ (sqrt 1.0) 1.0) 3)))))) (* 1/2 (/ (pow x 2) (* (sqrt 1.0) (pow (+ (sqrt 1.0) 1.0) 2)))))
  (- (+ +nan.0 (- (+ (* +nan.0 x) (- (* +nan.0 (/ 1 x)))))))
  (- (+ +nan.0 (- (+ (* +nan.0 x) (- (* +nan.0 (/ 1 x)))))))
  (- (+ (sqrt 1.0) (+ (* 1/2 (/ x (sqrt 1.0))) 1.0)) (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (- (+ (sqrt 1.0) (* 1/2 (/ x (sqrt 1.0)))) (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
0.289 * * [simplify]: iteration  0 :  146  enodes  (cost  959 )
0.315 * * [simplify]: iteration  1 :  342  enodes  (cost  886 )