9.516 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (- 1.0 (* x x)))
0.019 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.020 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
0.021 * * [simplify]: iteration  2 :  11  enodes  (cost  6 )
0.022 * * [simplify]: iteration  done :  11  enodes  (cost  6 )
0.022 * [simplify]: Simplified to:
   (sqrt (- 1.0 (* x x)))
0.022 * * [progress]: iteration 1 / 4
0.022 * * * [progress]: picking best candidate
0.024 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (- 1.0 (* x x))))>
0.024 * * * [progress]: localizing error
0.032 * * * [progress]: generating rewritten candidates
0.032 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.035 * * * [progress]: generating series expansions
0.035 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.035 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in (x) around 0
0.035 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.035 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.035 * [taylor]: Taking taylor expansion of 1.0 in x
0.035 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.037 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.037 * [taylor]: Taking taylor expansion of 1.0 in x
0.037 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.053 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in (x) around 0
0.053 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.053 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.053 * [taylor]: Taking taylor expansion of 1.0 in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.053 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.056 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.056 * [taylor]: Taking taylor expansion of 1.0 in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.056 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.075 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in (x) around 0
0.076 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.076 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.076 * [taylor]: Taking taylor expansion of 1.0 in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.079 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.079 * [taylor]: Taking taylor expansion of 1.0 in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.098 * * * [progress]: simplifying candidates
0.098 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (log (sqrt (- 1.0 (* x x))))
  (exp (sqrt (- 1.0 (* x x))))
  (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x)))))
  (cbrt (sqrt (- 1.0 (* x x))))
  (* (* (sqrt (- 1.0 (* x x))) (sqrt (- 1.0 (* x x)))) (sqrt (- 1.0 (* x x))))
  (sqrt (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x)))))
  (sqrt (cbrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt 1)
  (sqrt (- 1.0 (* x x)))
  (sqrt (+ (sqrt 1.0) x))
  (sqrt (- (sqrt 1.0) x))
  (sqrt (- (pow 1.0 3) (pow (* x x) 3)))
  (sqrt (+ (* 1.0 1.0) (+ (* (* x x) (* x x)) (* 1.0 (* x x)))))
  (sqrt (- (* 1.0 1.0) (* (* x x) (* x x))))
  (sqrt (+ 1.0 (* x x)))
  (/ 1 2)
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 4) (pow (sqrt 1.0) 3))) (* 1/2 (/ (pow x 2) (sqrt 1.0)))))
  (- (+ (* 0.5 (/ 1 (* x (sqrt -1)))) (* x (sqrt -1))) (* 0.125 (/ 1 (* (pow x 3) (pow (sqrt -1) 3)))))
  (- (* 0.125 (/ 1 (* (pow x 3) (pow (sqrt -1) 3)))) (+ (* 0.5 (/ 1 (* x (sqrt -1)))) (* x (sqrt -1))))
0.100 * * [simplify]: iteration  0 :  67  enodes  (cost  246 )
0.116 * * [simplify]: iteration  1 :  155  enodes  (cost  220 )
0.152 * * [simplify]: iteration  2 :  454  enodes  (cost  206 )
0.364 * * [simplify]: iteration  3 :  1812  enodes  (cost  202 )
1.182 * * [simplify]: iteration  done :  5000  enodes  (cost  202 )
1.182 * [simplify]: Simplified to:
   (log (sqrt (- 1.0 (* x x))))
  (exp (sqrt (- 1.0 (* x x))))
  (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x)))))
  (cbrt (sqrt (- 1.0 (* x x))))
  (pow (sqrt (- 1.0 (* x x))) 3)
  (fabs (cbrt (- 1.0 (* x x))))
  (sqrt (cbrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  1
  (sqrt (- 1.0 (* x x)))
  (sqrt (+ (sqrt 1.0) x))
  (sqrt (- (sqrt 1.0) x))
  (sqrt (- (pow 1.0 3) (pow x 6)))
  (sqrt (+ (pow x 4) (* (+ 1.0 (* x x)) 1.0)))
  (sqrt (- (* 1.0 1.0) (pow x 4)))
  (sqrt (+ 1.0 (* x x)))
  1/2
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 4) (pow (sqrt 1.0) 3))) (* 1/2 (/ (pow x 2) (sqrt 1.0)))))
  (- (+ (/ 0.5 (* x (sqrt -1))) (* x (sqrt -1))) (/ 0.125 (- (* (sqrt -1) (pow x 3)))))
  (- (/ 0.125 (- (* (sqrt -1) (pow x 3)))) (+ (/ 0.5 (* x (sqrt -1))) (* x (sqrt -1))))
1.182 * * * [progress]: adding candidates to table
1.231 * * [progress]: iteration 2 / 4
1.231 * * * [progress]: picking best candidate
1.233 * * * * [pick]: Picked  #<alt (λ (x) (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))>
1.233 * * * [progress]: localizing error
1.244 * * * [progress]: generating rewritten candidates
1.244 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
1.263 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
1.276 * * * [progress]: generating series expansions
1.276 * * * * [progress]: [ 1 / 2 ] generating series at (2)
1.277 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 (pow x 4)) (+ (pow x 2) 1.0))) in (x) around 0
1.277 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (pow x 4)) (+ (pow x 2) 1.0))) in x
1.277 * [taylor]: Taking taylor expansion of (/ (- 1.0 (pow x 4)) (+ (pow x 2) 1.0)) in x
1.277 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 4)) in x
1.277 * [taylor]: Taking taylor expansion of 1.0 in x
1.277 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.277 * [taylor]: Taking taylor expansion of x in x
1.277 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
1.277 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.277 * [taylor]: Taking taylor expansion of x in x
1.277 * [taylor]: Taking taylor expansion of 1.0 in x
1.283 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (pow x 4)) (+ (pow x 2) 1.0))) in x
1.283 * [taylor]: Taking taylor expansion of (/ (- 1.0 (pow x 4)) (+ (pow x 2) 1.0)) in x
1.283 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 4)) in x
1.283 * [taylor]: Taking taylor expansion of 1.0 in x
1.283 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.283 * [taylor]: Taking taylor expansion of x in x
1.283 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
1.284 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.284 * [taylor]: Taking taylor expansion of x in x
1.284 * [taylor]: Taking taylor expansion of 1.0 in x
1.309 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0))) in (x) around 0
1.310 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0))) in x
1.310 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0)) in x
1.310 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 4))) in x
1.310 * [taylor]: Taking taylor expansion of 1.0 in x
1.310 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.310 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.310 * [taylor]: Taking taylor expansion of x in x
1.310 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
1.310 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.310 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.311 * [taylor]: Taking taylor expansion of x in x
1.311 * [taylor]: Taking taylor expansion of 1.0 in x
1.316 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0))) in x
1.316 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0)) in x
1.316 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 4))) in x
1.316 * [taylor]: Taking taylor expansion of 1.0 in x
1.316 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.316 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.316 * [taylor]: Taking taylor expansion of x in x
1.317 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
1.317 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.317 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.317 * [taylor]: Taking taylor expansion of x in x
1.317 * [taylor]: Taking taylor expansion of 1.0 in x
1.351 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0))) in (x) around 0
1.351 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0))) in x
1.351 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0)) in x
1.351 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 4))) in x
1.351 * [taylor]: Taking taylor expansion of 1.0 in x
1.351 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.351 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.351 * [taylor]: Taking taylor expansion of x in x
1.352 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
1.352 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.352 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.352 * [taylor]: Taking taylor expansion of x in x
1.352 * [taylor]: Taking taylor expansion of 1.0 in x
1.357 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0))) in x
1.357 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) 1.0)) in x
1.357 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 4))) in x
1.357 * [taylor]: Taking taylor expansion of 1.0 in x
1.357 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.357 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.357 * [taylor]: Taking taylor expansion of x in x
1.358 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
1.358 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.358 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.358 * [taylor]: Taking taylor expansion of x in x
1.359 * [taylor]: Taking taylor expansion of 1.0 in x
1.395 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
1.396 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (pow x 4))) in (x) around 0
1.396 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 4))) in x
1.396 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 4)) in x
1.396 * [taylor]: Taking taylor expansion of 1.0 in x
1.396 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.396 * [taylor]: Taking taylor expansion of x in x
1.397 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 4))) in x
1.397 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 4)) in x
1.397 * [taylor]: Taking taylor expansion of 1.0 in x
1.397 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.398 * [taylor]: Taking taylor expansion of x in x
1.422 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 4)))) in (x) around 0
1.422 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 4)))) in x
1.422 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 4))) in x
1.422 * [taylor]: Taking taylor expansion of 1.0 in x
1.422 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.422 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.422 * [taylor]: Taking taylor expansion of x in x
1.425 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 4)))) in x
1.425 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 4))) in x
1.425 * [taylor]: Taking taylor expansion of 1.0 in x
1.425 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.425 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.425 * [taylor]: Taking taylor expansion of x in x
1.466 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 4)))) in (x) around 0
1.466 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 4)))) in x
1.466 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 4))) in x
1.466 * [taylor]: Taking taylor expansion of 1.0 in x
1.466 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.466 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.466 * [taylor]: Taking taylor expansion of x in x
1.469 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 4)))) in x
1.470 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 4))) in x
1.470 * [taylor]: Taking taylor expansion of 1.0 in x
1.470 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.470 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.470 * [taylor]: Taking taylor expansion of x in x
1.507 * * * [progress]: simplifying candidates
1.509 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (sqrt (- (* 1.0 1.0) (pow x 4)))) (log (sqrt (+ 1.0 (* x x)))))
  (log (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (exp (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (/ (* (* (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (- (* 1.0 1.0) (pow x 4)))) (* (* (sqrt (+ 1.0 (* x x))) (sqrt (+ 1.0 (* x x)))) (sqrt (+ 1.0 (* x x)))))
  (* (cbrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))) (cbrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))))
  (cbrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (* (* (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))) (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))) (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (/ (- (* 1.0 1.0) (pow x 4)) (+ 1.0 (* x x)))
  (sqrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (sqrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (- (sqrt (- (* 1.0 1.0) (pow x 4))))
  (- (sqrt (+ 1.0 (* x x))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) (sqrt 1))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) 1)
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (pow x 4))) (cbrt (- (* 1.0 1.0) (pow x 4))))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (pow x 4))) (cbrt (- (* 1.0 1.0) (pow x 4))))) (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (pow x 4))) (cbrt (- (* 1.0 1.0) (pow x 4))))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (pow x 4))) (cbrt (- (* 1.0 1.0) (pow x 4))))) (sqrt 1))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (pow x 4))) (cbrt (- (* 1.0 1.0) (pow x 4))))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (* (cbrt (- (* 1.0 1.0) (pow x 4))) (cbrt (- (* 1.0 1.0) (pow x 4))))) 1)
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt 1))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) 1)
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt 1) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt 1) (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt 1) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt 1) (sqrt 1))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt 1) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt 1) 1)
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) (sqrt 1))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) 1)
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) (sqrt 1))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) 1)
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (pow x (/ 4 2)))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- 1.0 (pow x (/ 4 2)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow x (/ 4 2)))) (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (sqrt (- 1.0 (pow x (/ 4 2)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow x (/ 4 2)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (pow x (/ 4 2)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow x (/ 4 2)))) (sqrt 1))
  (/ (sqrt (- 1.0 (pow x (/ 4 2)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (pow x (/ 4 2)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (pow x (/ 4 2)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow x (/ 4 2)))) 1)
  (/ (sqrt (- 1.0 (pow x (/ 4 2)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt 1))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) 1)
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ 1 (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ 1 (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ 1 (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ 1 (sqrt 1))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))
  (/ 1 (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ 1 1)
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))
  (/ 1 (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (* (cbrt (+ 1.0 (* x x))) (cbrt (+ 1.0 (* x x))))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt 1))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) 1)
  (/ (sqrt (+ 1.0 (* x x))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- 1.0 (pow (sqrt x) 4))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- 1.0 (sqrt (pow x 4)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- 1.0 (pow x (/ 4 2)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ (pow 1.0 3) (pow (* x x) 3))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (- (* 1.0 1.0) (* (* x x) (* x x)))))
  (* (sqrt (+ 1.0 (* x x))) (sqrt (+ (* (* 1.0 1.0) (* 1.0 1.0)) (+ (* (pow x 4) (pow x 4)) (* (* 1.0 1.0) (pow x 4))))))
  (* (sqrt (+ 1.0 (* x x))) (sqrt (+ (* 1.0 1.0) (pow x 4))))
  (log (sqrt (- (* 1.0 1.0) (pow x 4))))
  (exp (sqrt (- (* 1.0 1.0) (pow x 4))))
  (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (* (* (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (- (* 1.0 1.0) (pow x 4))))
  (sqrt (* (cbrt (- (* 1.0 1.0) (pow x 4))) (cbrt (- (* 1.0 1.0) (pow x 4)))))
  (sqrt (cbrt (- (* 1.0 1.0) (pow x 4))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (sqrt 1)
  (sqrt (- (* 1.0 1.0) (pow x 4)))
  (sqrt (+ 1.0 (pow (sqrt x) 4)))
  (sqrt (- 1.0 (pow (sqrt x) 4)))
  (sqrt (+ 1.0 (sqrt (pow x 4))))
  (sqrt (- 1.0 (sqrt (pow x 4))))
  (sqrt (+ 1.0 (pow x (/ 4 2))))
  (sqrt (- 1.0 (pow x (/ 4 2))))
  (sqrt (- (pow (* 1.0 1.0) 3) (pow (pow x 4) 3)))
  (sqrt (+ (* (* 1.0 1.0) (* 1.0 1.0)) (+ (* (pow x 4) (pow x 4)) (* (* 1.0 1.0) (pow x 4)))))
  (sqrt (- (* (* 1.0 1.0) (* 1.0 1.0)) (* (pow x 4) (pow x 4))))
  (sqrt (+ (* 1.0 1.0) (pow x 4)))
  (/ 1 2)
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (- (sqrt 1.0) (+ (* 0.125 (/ (pow x 4) (pow (sqrt 1.0) 3))) (* 0.5 (/ (pow x 2) (sqrt 1.0)))))
  (- (+ (* 0.5 (/ 1 (* x (sqrt -1)))) (* x (sqrt -1))) (* 0.125 (/ 1 (* (pow x 3) (pow (sqrt -1) 3)))))
  (- (* 0.125 (/ 1 (* (pow x 3) (pow (sqrt -1) 3)))) (+ (* 0.5 (/ 1 (* x (sqrt -1)))) (* x (sqrt -1))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 8) (pow (sqrt 1.0) 3))) (* 1/2 (/ (pow x 4) (sqrt 1.0)))))
  (- (+ (* (pow x 2) (sqrt -1)) (* 0.5 (/ 1 (* (pow x 2) (sqrt -1))))) (* 0.125 (/ 1 (* (pow x 6) (pow (sqrt -1) 3)))))
  (- (+ (* (pow x 2) (sqrt -1)) (* 0.5 (/ 1 (* (pow x 2) (sqrt -1))))) (* 0.125 (/ 1 (* (pow x 6) (pow (sqrt -1) 3)))))
1.516 * * [simplify]: iteration  0 :  213  enodes  (cost  2813 )
1.563 * * [simplify]: iteration  1 :  410  enodes  (cost  2538 )
1.691 * * [simplify]: iteration  2 :  1166  enodes  (cost  2472 )
2.567 * * [simplify]: iteration  done :  5001  enodes  (cost  2452 )
2.568 * [simplify]: Simplified to:
   (log (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (log (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (exp (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (pow (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))) 3)
  (* (cbrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))) (cbrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))))
  (cbrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (pow (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))) 3)
  (/ (- (* 1.0 1.0) (pow x 4)) (+ 1.0 (* x x)))
  (sqrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (sqrt (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))
  (- (sqrt (- (* 1.0 1.0) (pow x 4))))
  (- (sqrt (+ 1.0 (* x x))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (fabs (cbrt (- (* 1.0 1.0) (pow x 4)))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (fabs (cbrt (- (* 1.0 1.0) (pow x 4)))) (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (fabs (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (fabs (cbrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (fabs (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (fabs (cbrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ 1 (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ 1 (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ 1 (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  1
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))
  (/ 1 (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  1
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (+ 1.0 (pow (sqrt x) 4)))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (pow (sqrt x) 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (+ 1.0 (pow (sqrt x) 4)))
  (/ (sqrt (- 1.0 (pow (sqrt x) 4))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (+ 1.0 (sqrt (pow x 4))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (sqrt (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (+ 1.0 (sqrt (pow x 4))))
  (/ (sqrt (- 1.0 (sqrt (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (* x x))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- 1.0 (* x x))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (* x x))) (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (* x x))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (* x x))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (+ (* x x) 1.0))
  (/ (sqrt (- 1.0 (* x x))) (sqrt (+ (* x x) 1.0)))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- 1.0 (* x x))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (+ (* x x) 1.0))
  (/ (sqrt (- 1.0 (* x x))) (sqrt (+ (* x x) 1.0)))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (sqrt (+ 1.0 (* x x))))
  (/ 1 (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (cbrt (sqrt (+ 1.0 (* x x)))))
  (/ 1 (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (cbrt (+ 1.0 (* x x)))))
  (/ 1 (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  1
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))
  (/ 1 (sqrt (sqrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  1
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x))))
  (/ 1 (sqrt (+ 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (* (cbrt (sqrt (+ 1.0 (* x x)))) (cbrt (sqrt (+ 1.0 (* x x))))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (fabs (cbrt (+ 1.0 (* x x)))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (- (* 1.0 1.0) (pow x 4)))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (sqrt (+ 1.0 (* x x)))))
  (sqrt (- (* 1.0 1.0) (pow x 4)))
  (/ (sqrt (+ 1.0 (* x x))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (cbrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- 1.0 (pow (sqrt x) 4))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- 1.0 (sqrt (pow x 4)))))
  (/ (sqrt (+ (* x x) 1.0)) (sqrt (- 1.0 (* x x))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (/ (sqrt (+ 1.0 (* x x))) (sqrt (- (* 1.0 1.0) (pow x 4))))
  (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ (pow 1.0 3) (pow x 6))))
  1
  (* (sqrt (+ (* (* 1.0 1.0) (pow x 4)) (+ (pow 1.0 4) (pow x 8)))) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (+ 1.0 (* x x))) (sqrt (+ (* 1.0 1.0) (pow x 4))))
  (log (sqrt (- (* 1.0 1.0) (pow x 4))))
  (exp (sqrt (- (* 1.0 1.0) (pow x 4))))
  (* (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))) (cbrt (sqrt (- (* 1.0 1.0) (pow x 4)))))
  (cbrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (* (sqrt (- (* 1.0 1.0) (pow x 4))) (- (* 1.0 1.0) (pow x 4)))
  (fabs (cbrt (- (* 1.0 1.0) (pow x 4))))
  (sqrt (cbrt (- (* 1.0 1.0) (pow x 4))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  1
  (sqrt (- (* 1.0 1.0) (pow x 4)))
  (sqrt (+ 1.0 (pow (sqrt x) 4)))
  (sqrt (- 1.0 (pow (sqrt x) 4)))
  (sqrt (+ 1.0 (sqrt (pow x 4))))
  (sqrt (- 1.0 (sqrt (pow x 4))))
  (sqrt (+ (* x x) 1.0))
  (sqrt (- 1.0 (* x x)))
  (sqrt (- (pow 1.0 6) (pow (pow x 4) 3)))
  (sqrt (+ (* (* 1.0 1.0) (pow x 4)) (+ (pow 1.0 4) (pow x 8))))
  (sqrt (- (pow 1.0 4) (pow x 8)))
  (sqrt (+ (* 1.0 1.0) (pow x 4)))
  1/2
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (sqrt (sqrt (- (* 1.0 1.0) (pow x 4))))
  (- (sqrt 1.0) (+ (* 0.125 (/ (pow x 4) (pow (sqrt 1.0) 3))) (* 0.5 (/ (pow x 2) (sqrt 1.0)))))
  (+ (- (/ 0.5 (* x (sqrt -1))) (/ 0.125 (- (* (pow x 3) (sqrt -1))))) (* x (sqrt -1)))
  (- (- (/ 0.125 (- (* (pow x 3) (sqrt -1)))) (/ 0.5 (* x (sqrt -1)))) (* x (sqrt -1)))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 8) (pow (sqrt 1.0) 3))) (* 1/2 (/ (pow x 4) (sqrt 1.0)))))
  (- (+ (* (pow x 2) (sqrt -1)) (/ 0.5 (* (pow x 2) (sqrt -1)))) (/ 0.125 (* (sqrt -1) (- (pow x 6)))))
  (- (+ (* (pow x 2) (sqrt -1)) (/ 0.5 (* (pow x 2) (sqrt -1)))) (/ 0.125 (* (sqrt -1) (- (pow x 6)))))
2.569 * * * [progress]: adding candidates to table
2.846 * [progress]: [Phase 3 of 3] Extracting.
2.846 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))>)
2.847 * * * [regime-changes]: Trying 4 branch expressions: ((* x x) (- 1.0 (* x x)) (sqrt (- 1.0 (* x x))) x)
2.847 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))>)
2.856 * * * * [regimes]: Trying to branch on (- 1.0 (* x x)) from (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))>)
2.868 * * * * [regimes]: Trying to branch on (sqrt (- 1.0 (* x x))) from (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))>)
2.879 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (sqrt (- 1.0 (* x x))))> #<alt (λ (x) (/ (sqrt (- (* 1.0 1.0) (pow x 4))) (sqrt (+ 1.0 (* x x)))))>)
2.890 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
2.890 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (- 1.0 (* x x)))
2.890 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
2.890 * * [simplify]: iteration  done :  5  enodes  (cost  6 )
2.891 * [simplify]: Simplified to:
   (sqrt (- 1.0 (* x x)))
3.417 * [regime-testing]: Baseline error score: 0.005500687585948244
3.417 * [regime-testing]: Oracle error score: 0.0030003750468808603
3.418 * [regime-testing]: End program error score: 0.005500687585948244