5.921 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.052 * * * [progress]: [2/2] Setting up program.
0.054 * [progress]: [Phase 2 of 3] Improving.
0.054 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ (/ 1.0 x) (/ (sqrt (- 1.0 (* x x))) x)))
0.054 * [simplify]: Sending expressions to egg_math:
 (log (+ (/ h0 h1) (/ (sqrt (- h0 (* h1 h1))) h1)))
0.056 * * [simplify]: iteration  0 :  12  enodes  (cost  7 )
0.058 * * [simplify]: iteration  1 :  16  enodes  (cost  7 )
0.059 * * [simplify]: iteration  2 :  16  enodes  (cost  7 )
0.059 * [simplify]: Simplified to:
   (log (+ (/ 1.0 x) (/ (sqrt (- 1.0 (* x x))) x)))
0.059 * * [progress]: iteration 1 / 4
0.059 * * * [progress]: picking best candidate
0.061 * * * * [pick]: Picked  #<alt (λ (x) (log (+ (/ 1.0 x) (/ (sqrt (- 1.0 (* x x))) x))))>
0.061 * * * [progress]: localizing error
0.071 * * * [progress]: generating rewritten candidates
0.071 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 2)
0.085 * * * [progress]: generating series expansions
0.085 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 2)
0.085 * [approximate]: Taking taylor expansion of (* (sqrt (- 1.0 (pow x 2))) (/ 1 x)) in (x) around 0
0.085 * [taylor]: Taking taylor expansion of (* (sqrt (- 1.0 (pow x 2))) (/ 1 x)) in x
0.085 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.085 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.085 * [taylor]: Taking taylor expansion of 1.0 in x
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [taylor]: Taking taylor expansion of (* (sqrt (- 1.0 (pow x 2))) (/ 1 x)) in x
0.087 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.087 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.087 * [taylor]: Taking taylor expansion of 1.0 in x
0.087 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.119 * [approximate]: Taking taylor expansion of (* x (sqrt (- 1.0 (/ 1 (pow x 2))))) in (x) around 0
0.120 * [taylor]: Taking taylor expansion of (* x (sqrt (- 1.0 (/ 1 (pow x 2))))) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.120 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.120 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (* x (sqrt (- 1.0 (/ 1 (pow x 2))))) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.122 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.122 * [taylor]: Taking taylor expansion of 1.0 in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.122 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.155 * [approximate]: Taking taylor expansion of (* -1 (* x (sqrt (- 1.0 (/ 1 (pow x 2)))))) in (x) around 0
0.155 * [taylor]: Taking taylor expansion of (* -1 (* x (sqrt (- 1.0 (/ 1 (pow x 2)))))) in x
0.155 * [taylor]: Taking taylor expansion of -1 in x
0.155 * [taylor]: Taking taylor expansion of (* x (sqrt (- 1.0 (/ 1 (pow x 2))))) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.155 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.155 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.155 * [taylor]: Taking taylor expansion of 1.0 in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.155 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.158 * [taylor]: Taking taylor expansion of (* -1 (* x (sqrt (- 1.0 (/ 1 (pow x 2)))))) in x
0.158 * [taylor]: Taking taylor expansion of -1 in x
0.158 * [taylor]: Taking taylor expansion of (* x (sqrt (- 1.0 (/ 1 (pow x 2))))) in x
0.158 * [taylor]: Taking taylor expansion of x in x
0.158 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.158 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.158 * [taylor]: Taking taylor expansion of 1.0 in x
0.158 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.158 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.158 * [taylor]: Taking taylor expansion of x in x
0.204 * * * [progress]: simplifying candidates
0.205 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (sqrt (- 1.0 (* x x)))) (log x))
  (log (/ (sqrt (- 1.0 (* x x))) x))
  (exp (/ (sqrt (- 1.0 (* x x))) x))
  (/ (* (* (sqrt (- 1.0 (* x x))) (sqrt (- 1.0 (* x x)))) (sqrt (- 1.0 (* x x)))) (* (* x x) x))
  (* (cbrt (/ (sqrt (- 1.0 (* x x))) x)) (cbrt (/ (sqrt (- 1.0 (* x x))) x)))
  (cbrt (/ (sqrt (- 1.0 (* x x))) x))
  (* (* (/ (sqrt (- 1.0 (* x x))) x) (/ (sqrt (- 1.0 (* x x))) x)) (/ (sqrt (- 1.0 (* x x))) x))
  (sqrt (/ (sqrt (- 1.0 (* x x))) x))
  (sqrt (/ (sqrt (- 1.0 (* x x))) x))
  (- (sqrt (- 1.0 (* x x))))
  (- x)
  (/ (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x))))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (sqrt (- 1.0 (* x x)))) (cbrt x))
  (/ (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x))))) (sqrt x))
  (/ (cbrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (/ (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x))))) 1)
  (/ (cbrt (sqrt (- 1.0 (* x x)))) x)
  (/ (sqrt (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))) (* (cbrt x) (cbrt x)))
  (/ (sqrt (cbrt (- 1.0 (* x x)))) (cbrt x))
  (/ (sqrt (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))) (sqrt x))
  (/ (sqrt (cbrt (- 1.0 (* x x)))) (sqrt x))
  (/ (sqrt (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))) 1)
  (/ (sqrt (cbrt (- 1.0 (* x x)))) x)
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (* (cbrt x) (cbrt x)))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (cbrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) 1)
  (/ (sqrt (sqrt (- 1.0 (* x x)))) x)
  (/ (sqrt 1) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- 1.0 (* x x))) (cbrt x))
  (/ (sqrt 1) (sqrt x))
  (/ (sqrt (- 1.0 (* x x))) (sqrt x))
  (/ (sqrt 1) 1)
  (/ (sqrt (- 1.0 (* x x))) x)
  (/ (sqrt (+ (sqrt 1.0) x)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- (sqrt 1.0) x)) (cbrt x))
  (/ (sqrt (+ (sqrt 1.0) x)) (sqrt x))
  (/ (sqrt (- (sqrt 1.0) x)) (sqrt x))
  (/ (sqrt (+ (sqrt 1.0) x)) 1)
  (/ (sqrt (- (sqrt 1.0) x)) x)
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (* (cbrt x) (cbrt x)))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (cbrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) 1)
  (/ (sqrt (sqrt (- 1.0 (* x x)))) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (sqrt (- 1.0 (* x x))) (cbrt x))
  (/ 1 (sqrt x))
  (/ (sqrt (- 1.0 (* x x))) (sqrt x))
  (/ 1 1)
  (/ (sqrt (- 1.0 (* x x))) x)
  (/ 1 x)
  (/ x (sqrt (- 1.0 (* x x))))
  (/ (sqrt (- 1.0 (* x x))) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- 1.0 (* x x))) (sqrt x))
  (/ (sqrt (- 1.0 (* x x))) 1)
  (/ x (cbrt (sqrt (- 1.0 (* x x)))))
  (/ x (sqrt (cbrt (- 1.0 (* x x)))))
  (/ x (sqrt (sqrt (- 1.0 (* x x)))))
  (/ x (sqrt (- 1.0 (* x x))))
  (/ x (sqrt (- (sqrt 1.0) x)))
  (/ x (sqrt (sqrt (- 1.0 (* x x)))))
  (/ x (sqrt (- 1.0 (* x x))))
  (* x (sqrt (+ (* 1.0 1.0) (+ (* (* x x) (* x x)) (* 1.0 (* x x))))))
  (* x (sqrt (+ 1.0 (* x x))))
  (- (/ (sqrt 1.0) x) (+ (* 1/2 (/ x (sqrt 1.0))) (* 1/8 (/ (pow x 3) (pow (sqrt 1.0) 3)))))
  (- (+ (* 0.5 (/ 1 (* (pow x 2) (sqrt -1)))) (sqrt -1)) (* 0.125 (/ 1 (* (pow x 4) (pow (sqrt -1) 3)))))
  (- (* 0.125 (/ 1 (* (pow x 4) (pow (sqrt -1) 3)))) (+ (* 0.5 (/ 1 (* (pow x 2) (sqrt -1)))) (sqrt -1)))
0.205 * [simplify]: Sending expressions to egg_math:
 (- (log (sqrt (- h0 (* h1 h1)))) (log h1))
 (log (/ (sqrt (- h0 (* h1 h1))) h1))
 (exp (/ (sqrt (- h0 (* h1 h1))) h1))
 (/ (* (* (sqrt (- h0 (* h1 h1))) (sqrt (- h0 (* h1 h1)))) (sqrt (- h0 (* h1 h1)))) (* (* h1 h1) h1))
 (* (cbrt (/ (sqrt (- h0 (* h1 h1))) h1)) (cbrt (/ (sqrt (- h0 (* h1 h1))) h1)))
 (cbrt (/ (sqrt (- h0 (* h1 h1))) h1))
 (* (* (/ (sqrt (- h0 (* h1 h1))) h1) (/ (sqrt (- h0 (* h1 h1))) h1)) (/ (sqrt (- h0 (* h1 h1))) h1))
 (sqrt (/ (sqrt (- h0 (* h1 h1))) h1))
 (sqrt (/ (sqrt (- h0 (* h1 h1))) h1))
 (- (sqrt (- h0 (* h1 h1))))
 (- h1)
 (/ (* (cbrt (sqrt (- h0 (* h1 h1)))) (cbrt (sqrt (- h0 (* h1 h1))))) (* (cbrt h1) (cbrt h1)))
 (/ (cbrt (sqrt (- h0 (* h1 h1)))) (cbrt h1))
 (/ (* (cbrt (sqrt (- h0 (* h1 h1)))) (cbrt (sqrt (- h0 (* h1 h1))))) (sqrt h1))
 (/ (cbrt (sqrt (- h0 (* h1 h1)))) (sqrt h1))
 (/ (* (cbrt (sqrt (- h0 (* h1 h1)))) (cbrt (sqrt (- h0 (* h1 h1))))) 1)
 (/ (cbrt (sqrt (- h0 (* h1 h1)))) h1)
 (/ (sqrt (* (cbrt (- h0 (* h1 h1))) (cbrt (- h0 (* h1 h1))))) (* (cbrt h1) (cbrt h1)))
 (/ (sqrt (cbrt (- h0 (* h1 h1)))) (cbrt h1))
 (/ (sqrt (* (cbrt (- h0 (* h1 h1))) (cbrt (- h0 (* h1 h1))))) (sqrt h1))
 (/ (sqrt (cbrt (- h0 (* h1 h1)))) (sqrt h1))
 (/ (sqrt (* (cbrt (- h0 (* h1 h1))) (cbrt (- h0 (* h1 h1))))) 1)
 (/ (sqrt (cbrt (- h0 (* h1 h1)))) h1)
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) (* (cbrt h1) (cbrt h1)))
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) (cbrt h1))
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) (sqrt h1))
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) (sqrt h1))
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) 1)
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) h1)
 (/ (sqrt 1) (* (cbrt h1) (cbrt h1)))
 (/ (sqrt (- h0 (* h1 h1))) (cbrt h1))
 (/ (sqrt 1) (sqrt h1))
 (/ (sqrt (- h0 (* h1 h1))) (sqrt h1))
 (/ (sqrt 1) 1)
 (/ (sqrt (- h0 (* h1 h1))) h1)
 (/ (sqrt (+ (sqrt h0) h1)) (* (cbrt h1) (cbrt h1)))
 (/ (sqrt (- (sqrt h0) h1)) (cbrt h1))
 (/ (sqrt (+ (sqrt h0) h1)) (sqrt h1))
 (/ (sqrt (- (sqrt h0) h1)) (sqrt h1))
 (/ (sqrt (+ (sqrt h0) h1)) 1)
 (/ (sqrt (- (sqrt h0) h1)) h1)
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) (* (cbrt h1) (cbrt h1)))
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) (cbrt h1))
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) (sqrt h1))
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) (sqrt h1))
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) 1)
 (/ (sqrt (sqrt (- h0 (* h1 h1)))) h1)
 (/ 1 (* (cbrt h1) (cbrt h1)))
 (/ (sqrt (- h0 (* h1 h1))) (cbrt h1))
 (/ 1 (sqrt h1))
 (/ (sqrt (- h0 (* h1 h1))) (sqrt h1))
 (/ 1 1)
 (/ (sqrt (- h0 (* h1 h1))) h1)
 (/ 1 h1)
 (/ h1 (sqrt (- h0 (* h1 h1))))
 (/ (sqrt (- h0 (* h1 h1))) (* (cbrt h1) (cbrt h1)))
 (/ (sqrt (- h0 (* h1 h1))) (sqrt h1))
 (/ (sqrt (- h0 (* h1 h1))) 1)
 (/ h1 (cbrt (sqrt (- h0 (* h1 h1)))))
 (/ h1 (sqrt (cbrt (- h0 (* h1 h1)))))
 (/ h1 (sqrt (sqrt (- h0 (* h1 h1)))))
 (/ h1 (sqrt (- h0 (* h1 h1))))
 (/ h1 (sqrt (- (sqrt h0) h1)))
 (/ h1 (sqrt (sqrt (- h0 (* h1 h1)))))
 (/ h1 (sqrt (- h0 (* h1 h1))))
 (* h1 (sqrt (+ (* h0 h0) (+ (* (* h1 h1) (* h1 h1)) (* h0 (* h1 h1))))))
 (* h1 (sqrt (+ h0 (* h1 h1))))
 (- (/ (sqrt h0) h1) (+ (* 1/2 (/ h1 (sqrt h0))) (* 1/8 (/ (pow h1 3) (pow (sqrt h0) 3)))))
 (- (+ (* h2 (/ 1 (* (pow h1 2) (sqrt -1)))) (sqrt -1)) (* h3 (/ 1 (* (pow h1 4) (pow (sqrt -1) 3)))))
 (- (* h3 (/ 1 (* (pow h1 4) (pow (sqrt -1) 3)))) (+ (* h2 (/ 1 (* (pow h1 2) (sqrt -1)))) (sqrt -1)))
0.209 * * [simplify]: iteration  0 :  228  enodes  (cost  405 )
0.213 * * [simplify]: iteration  1 :  752  enodes  (cost  389 )
0.227 * * [simplify]: iteration  2 :  3859  enodes  (cost  385 )
0.325 * * [simplify]: iteration  3 :  5001  enodes  (cost  385 )
0.327 * [simplify]: Simplified to:
   (log (/ (sqrt (- 1.0 (* x x))) x))
  (log (/ (sqrt (- 1.0 (* x x))) x))
  (exp (/ (sqrt (- 1.0 (* x x))) x))
  (pow (/ (sqrt (- 1.0 (* x x))) x) 3)
  (* (cbrt (/ (sqrt (- 1.0 (* x x))) x)) (cbrt (/ (sqrt (- 1.0 (* x x))) x)))
  (cbrt (/ (sqrt (- 1.0 (* x x))) x))
  (pow (/ (sqrt (- 1.0 (* x x))) x) 3)
  (sqrt (/ (sqrt (- 1.0 (* x x))) x))
  (sqrt (/ (sqrt (- 1.0 (* x x))) x))
  (- (sqrt (- 1.0 (* x x))))
  (- x)
  (/ (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x))))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (sqrt (- 1.0 (* x x)))) (cbrt x))
  (/ (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x))))) (sqrt x))
  (/ (cbrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x)))))
  (/ (cbrt (sqrt (- 1.0 (* x x)))) x)
  (/ (/ (fabs (cbrt (- 1.0 (* x x)))) (cbrt x)) (cbrt x))
  (/ (sqrt (cbrt (- 1.0 (* x x)))) (cbrt x))
  (/ (fabs (cbrt (- 1.0 (* x x)))) (* (sqrt x) 1))
  (/ (sqrt (cbrt (- 1.0 (* x x)))) (pow x 1/2))
  (fabs (cbrt (- 1.0 (* x x))))
  (/ (sqrt (cbrt (- 1.0 (* x x)))) x)
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (* (cbrt x) (cbrt x)))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (cbrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (sqrt (sqrt (- 1.0 (* x x))))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (sqrt (- 1.0 (* x x))) (cbrt x))
  (/ 1 (sqrt x))
  (/ (sqrt (- 1.0 (* x x))) (sqrt x))
  1
  (/ (sqrt (- 1.0 (* x x))) x)
  (/ (sqrt (+ (sqrt 1.0) x)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- (sqrt 1.0) x)) (cbrt x))
  (/ (sqrt (+ (sqrt 1.0) x)) (sqrt x))
  (/ (sqrt (- (sqrt 1.0) x)) (pow x 1/2))
  (sqrt (+ (sqrt 1.0) x))
  (/ (sqrt (- (sqrt 1.0) x)) x)
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (* (cbrt x) (cbrt x)))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (cbrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) (sqrt x))
  (sqrt (sqrt (- 1.0 (* x x))))
  (/ (sqrt (sqrt (- 1.0 (* x x)))) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (sqrt (- 1.0 (* x x))) (cbrt x))
  (/ 1 (sqrt x))
  (/ (sqrt (- 1.0 (* x x))) (sqrt x))
  1
  (/ (sqrt (- 1.0 (* x x))) x)
  (/ 1 x)
  (/ x (sqrt (- 1.0 (* x x))))
  (/ (sqrt (- 1.0 (* x x))) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- 1.0 (* x x))) (sqrt x))
  (sqrt (- 1.0 (* x x)))
  (/ x (cbrt (sqrt (- 1.0 (* x x)))))
  (/ x (sqrt (cbrt (- 1.0 (* x x)))))
  (/ x (sqrt (sqrt (- 1.0 (* x x)))))
  (/ x (sqrt (- 1.0 (* x x))))
  (/ x (sqrt (- (sqrt 1.0) x)))
  (/ x (sqrt (sqrt (- 1.0 (* x x)))))
  (/ x (sqrt (- 1.0 (* x x))))
  (* x (sqrt (+ (* 1.0 1.0) (+ (* (* x x) (* x x)) (* 1.0 (* x x))))))
  (* x (sqrt (+ 1.0 (* x x))))
  (- (/ (sqrt 1.0) x) (+ (* 1/2 (/ x (sqrt 1.0))) (* 1/8 (/ (pow x 3) (pow (sqrt 1.0) 3)))))
  (+ (- (sqrt -1) (* 0.125 (/ 1 (* (pow x 4) (pow (sqrt -1) 3))))) (/ (/ 0.5 (sqrt -1)) (pow x 2)))
  (- (/ (/ 0.125 (pow (sqrt -1) 3)) (pow x 4)) (- (/ (/ 0.5 (sqrt -1)) (pow x 2)) (pow (sqrt -1) 3)))
0.328 * * * [progress]: adding candidates to table
0.440 * [progress]: [Phase 3 of 3] Extracting.
0.442 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ (/ 1.0 x) (/ (sqrt (- 1.0 (* x x))) x)))
0.442 * [simplify]: Sending expressions to egg_math:
 (log (+ (/ h0 h1) (/ (sqrt (- h0 (* h1 h1))) h1)))
0.443 * * [simplify]: iteration  0 :  10  enodes  (cost  7 )
0.443 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.443 * [simplify]: Simplified to:
   (log (+ (/ 1.0 x) (/ (sqrt (- 1.0 (* x x))) x)))
1.973 * [regime-testing]: End program error score: 0.042880360045005624