6.044 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.002 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256
0.003 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.003 * * * * [points]: Setting MPFR precision to 64
0.003 * * * * [points]: Setting MPFR precision to 320
0.004 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.004 * * * * [points]: Setting MPFR precision to 64
0.004 * * * * [points]: Setting MPFR precision to 320
0.004 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.004 * * * * [points]: Setting MPFR precision to 64
0.005 * * * * [points]: Setting MPFR precision to 320
0.006 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.006 * * * * [points]: Setting MPFR precision to 64
0.007 * * * * [points]: Setting MPFR precision to 320
0.008 * * * * [points]: Computing exacts for 256 points
0.008 * * * * [points]: Setting MPFR precision to 64
0.011 * * * * [points]: Setting MPFR precision to 320
0.015 * * * * [points]: Filtering points with unrepresentable outputs
0.015 * * * * [points]: Sampled 256 points with exact outputs
0.023 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ 2.0 (+ (exp x) (exp (neg x))))
0.087 * * [simplify]: iteration  0 :  4772  enodes  (cost  8 )
0.087 * * [simplify]: iteration  1 :  4772  enodes  (cost  8 )
0.087 * [simplify]: Simplified to:
   (/ 2.0 (+ (exp x) (exp (neg x))))
0.088 * * [progress]: iteration 1 / 4
0.088 * * * [progress]: picking best candidate
0.090 * * * * [pick]: Picked  #<alt (λ (x) (/ 2.0 (+ (exp x) (exp (neg x)))))>
0.090 * * * [progress]: localizing error
0.097 * * * [progress]: generating rewritten candidates
0.097 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.104 * * * [progress]: generating series expansions
0.104 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.104 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (neg x)) (exp x))) in (x) around 0
0.104 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (neg x)) (exp x))) in x
0.104 * [taylor]: Taking taylor expansion of 2.0 in x
0.104 * [taylor]: Taking taylor expansion of (+ (exp (neg x)) (exp x)) in x
0.104 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.104 * [taylor]: Taking taylor expansion of (neg x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (exp x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (neg x)) (exp x))) in x
0.104 * [taylor]: Taking taylor expansion of 2.0 in x
0.104 * [taylor]: Taking taylor expansion of (+ (exp (neg x)) (exp x)) in x
0.104 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.104 * [taylor]: Taking taylor expansion of (neg x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (exp x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.106 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (neg (/ 1 x))))) in (x) around 0
0.106 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (neg (/ 1 x))))) in x
0.106 * [taylor]: Taking taylor expansion of 2.0 in x
0.106 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (neg (/ 1 x)))) in x
0.106 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.106 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.106 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (neg (/ 1 x))))) in x
0.107 * [taylor]: Taking taylor expansion of 2.0 in x
0.107 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (neg (/ 1 x)))) in x
0.107 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.107 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.109 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
0.109 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.109 * [taylor]: Taking taylor expansion of 2.0 in x
0.109 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.109 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.109 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.109 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.109 * [taylor]: Taking taylor expansion of -1 in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.110 * [taylor]: Taking taylor expansion of 2.0 in x
0.110 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.110 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.110 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.110 * [taylor]: Taking taylor expansion of -1 in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.112 * * * [progress]: simplifying candidates
0.112 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log 2.0) (log (+ (exp x) (exp (neg x)))))
  (log (/ 2.0 (+ (exp x) (exp (neg x)))))
  (exp (/ 2.0 (+ (exp x) (exp (neg x)))))
  (/ (* (* 2.0 2.0) 2.0) (* (* (+ (exp x) (exp (neg x))) (+ (exp x) (exp (neg x)))) (+ (exp x) (exp (neg x)))))
  (* (cbrt (/ 2.0 (+ (exp x) (exp (neg x))))) (cbrt (/ 2.0 (+ (exp x) (exp (neg x))))))
  (cbrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (* (* (/ 2.0 (+ (exp x) (exp (neg x)))) (/ 2.0 (+ (exp x) (exp (neg x))))) (/ 2.0 (+ (exp x) (exp (neg x)))))
  (sqrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (sqrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (neg 2.0)
  (neg (+ (exp x) (exp (neg x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 2)
  (/ (cbrt 2.0) (cosh x))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ (cbrt 2.0) (cbrt (+ (exp x) (exp (neg x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 1)
  (/ (cbrt 2.0) (+ (exp x) (exp (neg x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 1)
  (/ (cbrt 2.0) (+ (exp x) (exp (neg x))))
  (/ (sqrt 2.0) 2)
  (/ (sqrt 2.0) (cosh x))
  (/ (sqrt 2.0) (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ (sqrt 2.0) (cbrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) 1)
  (/ (sqrt 2.0) (+ (exp x) (exp (neg x))))
  (/ (sqrt 2.0) 1)
  (/ (sqrt 2.0) (+ (exp x) (exp (neg x))))
  (/ 1 2)
  (/ 2.0 (cosh x))
  (/ 1 (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ 2.0 (cbrt (+ (exp x) (exp (neg x)))))
  (/ 1 (sqrt (+ (exp x) (exp (neg x)))))
  (/ 2.0 (sqrt (+ (exp x) (exp (neg x)))))
  (/ 1 1)
  (/ 2.0 (+ (exp x) (exp (neg x))))
  (/ 1 1)
  (/ 2.0 (+ (exp x) (exp (neg x))))
  (/ 1 (+ (exp x) (exp (neg x))))
  (/ (+ (exp x) (exp (neg x))) 2.0)
  (/ 2.0 2)
  (/ 2.0 (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ 2.0 (sqrt (+ (exp x) (exp (neg x)))))
  (/ 2.0 1)
  (/ 2.0 1)
  (/ (+ (exp x) (exp (neg x))) (cbrt 2.0))
  (/ (+ (exp x) (exp (neg x))) (sqrt 2.0))
  (/ (+ (exp x) (exp (neg x))) 2.0)
  (/ 2.0 (+ (pow (exp x) 3) (pow (exp (neg x)) 3)))
  (/ 2.0 (- (* (exp x) (exp x)) (* (exp (neg x)) (exp (neg x)))))
  (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))
  (/ 2.0 (+ (exp (neg x)) (exp x)))
  (/ 2.0 (+ (exp (* -1 x)) (exp x)))
0.164 * * [simplify]: iteration  0 :  4904  enodes  (cost  466 )
0.164 * * [simplify]: iteration  1 :  4904  enodes  (cost  466 )
0.166 * [simplify]: Simplified to:
   (log (/ 2.0 (+ (exp x) (exp (neg x)))))
  (log (/ 2.0 (+ (exp x) (exp (neg x)))))
  (exp (/ 2.0 (+ (exp x) (exp (neg x)))))
  (pow (/ 2.0 (+ (exp x) (exp (neg x)))) 3)
  (* (cbrt (/ 2.0 (+ (exp x) (exp (neg x))))) (cbrt (/ 2.0 (+ (exp x) (exp (neg x))))))
  (cbrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (pow (/ 2.0 (+ (exp x) (exp (neg x)))) 3)
  (sqrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (sqrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (neg 2.0)
  (- (neg (exp x)) (exp (neg x)))
  (* (cbrt 2.0) (/ (cbrt 2.0) 2))
  (/ (cbrt 2.0) (cosh x))
  (* (cbrt 2.0) (/ (cbrt 2.0) (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x)))))))
  (/ (cbrt 2.0) (cbrt (+ (exp x) (exp (neg x)))))
  (* (cbrt 2.0) (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (neg x))))))
  (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (* (cbrt 2.0) (cbrt 2.0))
  (/ (cbrt 2.0) (+ (exp x) (exp (neg x))))
  (* (cbrt 2.0) (cbrt 2.0))
  (/ (cbrt 2.0) (+ (exp x) (exp (neg x))))
  (/ (sqrt 2.0) 2)
  (/ (sqrt 2.0) (cosh x))
  (/ (sqrt 2.0) (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ (sqrt 2.0) (cbrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (sqrt 2.0)
  (/ (sqrt 2.0) (+ (exp x) (exp (neg x))))
  (sqrt 2.0)
  (/ (sqrt 2.0) (+ (exp x) (exp (neg x))))
  1/2
  (/ 2.0 (cosh x))
  (/ 1 (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ 2.0 (cbrt (+ (exp x) (exp (neg x)))))
  (/ 1 (sqrt (+ (exp x) (exp (neg x)))))
  (/ 2.0 (sqrt (+ (exp x) (exp (neg x)))))
  1
  (/ 2.0 (+ (exp x) (exp (neg x))))
  1
  (/ 2.0 (+ (exp x) (exp (neg x))))
  (/ 1 (+ (exp x) (exp (neg x))))
  (/ (+ (exp x) (exp (neg x))) 2.0)
  (/ 2.0 2)
  (/ 2.0 (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ 2.0 (sqrt (+ (exp x) (exp (neg x)))))
  2.0
  2.0
  (/ (+ (exp x) (exp (neg x))) (cbrt 2.0))
  (/ (+ (exp x) (exp (neg x))) (sqrt 2.0))
  (/ (+ (exp x) (exp (neg x))) 2.0)
  (/ 2.0 (+ (pow (exp x) 3) (pow (exp x) -3)))
  (/ 2.0 (- (pow (exp x) 2) (pow (exp x) -2)))
  (+ (* 0.20833333333333334 (pow x 4)) (- 1.0 (* x (* x 0.5))))
  (/ 2.0 (+ (exp x) (exp (neg x))))
  (/ 2.0 (+ (exp x) (exp (neg x))))
0.167 * * * [progress]: adding candidates to table
0.207 * * [progress]: iteration 2 / 4
0.207 * * * [progress]: picking best candidate
0.210 * * * * [pick]: Picked  #<alt (λ (x) (log (exp (/ 2.0 (+ (exp x) (exp (neg x)))))))>
0.210 * * * [progress]: localizing error
0.220 * * * [progress]: generating rewritten candidates
0.220 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
0.228 * * * [progress]: generating series expansions
0.228 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
0.228 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (neg x)) (exp x))) in (x) around 0
0.228 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (neg x)) (exp x))) in x
0.228 * [taylor]: Taking taylor expansion of 2.0 in x
0.228 * [taylor]: Taking taylor expansion of (+ (exp (neg x)) (exp x)) in x
0.228 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.228 * [taylor]: Taking taylor expansion of (neg x) in x
0.228 * [taylor]: Taking taylor expansion of x in x
0.228 * [taylor]: Taking taylor expansion of (exp x) in x
0.228 * [taylor]: Taking taylor expansion of x in x
0.228 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (neg x)) (exp x))) in x
0.228 * [taylor]: Taking taylor expansion of 2.0 in x
0.228 * [taylor]: Taking taylor expansion of (+ (exp (neg x)) (exp x)) in x
0.228 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.228 * [taylor]: Taking taylor expansion of (neg x) in x
0.228 * [taylor]: Taking taylor expansion of x in x
0.228 * [taylor]: Taking taylor expansion of (exp x) in x
0.228 * [taylor]: Taking taylor expansion of x in x
0.230 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (neg (/ 1 x))))) in (x) around 0
0.230 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (neg (/ 1 x))))) in x
0.230 * [taylor]: Taking taylor expansion of 2.0 in x
0.230 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (neg (/ 1 x)))) in x
0.230 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.230 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.230 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.230 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (neg (/ 1 x))))) in x
0.230 * [taylor]: Taking taylor expansion of 2.0 in x
0.230 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (neg (/ 1 x)))) in x
0.230 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.231 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.231 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.231 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.231 * [taylor]: Taking taylor expansion of x in x
0.233 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
0.233 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.233 * [taylor]: Taking taylor expansion of 2.0 in x
0.233 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.233 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.233 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.233 * [taylor]: Taking taylor expansion of x in x
0.233 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.233 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.233 * [taylor]: Taking taylor expansion of -1 in x
0.233 * [taylor]: Taking taylor expansion of x in x
0.233 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.233 * [taylor]: Taking taylor expansion of 2.0 in x
0.233 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.233 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.233 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.233 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.234 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.234 * [taylor]: Taking taylor expansion of -1 in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.236 * * * [progress]: simplifying candidates
0.236 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log 2.0) (log (+ (exp x) (exp (neg x)))))
  (log (/ 2.0 (+ (exp x) (exp (neg x)))))
  (exp (/ 2.0 (+ (exp x) (exp (neg x)))))
  (/ (* (* 2.0 2.0) 2.0) (* (* (+ (exp x) (exp (neg x))) (+ (exp x) (exp (neg x)))) (+ (exp x) (exp (neg x)))))
  (* (cbrt (/ 2.0 (+ (exp x) (exp (neg x))))) (cbrt (/ 2.0 (+ (exp x) (exp (neg x))))))
  (cbrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (* (* (/ 2.0 (+ (exp x) (exp (neg x)))) (/ 2.0 (+ (exp x) (exp (neg x))))) (/ 2.0 (+ (exp x) (exp (neg x)))))
  (sqrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (sqrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (neg 2.0)
  (neg (+ (exp x) (exp (neg x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 2)
  (/ (cbrt 2.0) (cosh x))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ (cbrt 2.0) (cbrt (+ (exp x) (exp (neg x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 1)
  (/ (cbrt 2.0) (+ (exp x) (exp (neg x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 1)
  (/ (cbrt 2.0) (+ (exp x) (exp (neg x))))
  (/ (sqrt 2.0) 2)
  (/ (sqrt 2.0) (cosh x))
  (/ (sqrt 2.0) (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ (sqrt 2.0) (cbrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) 1)
  (/ (sqrt 2.0) (+ (exp x) (exp (neg x))))
  (/ (sqrt 2.0) 1)
  (/ (sqrt 2.0) (+ (exp x) (exp (neg x))))
  (/ 1 2)
  (/ 2.0 (cosh x))
  (/ 1 (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ 2.0 (cbrt (+ (exp x) (exp (neg x)))))
  (/ 1 (sqrt (+ (exp x) (exp (neg x)))))
  (/ 2.0 (sqrt (+ (exp x) (exp (neg x)))))
  (/ 1 1)
  (/ 2.0 (+ (exp x) (exp (neg x))))
  (/ 1 1)
  (/ 2.0 (+ (exp x) (exp (neg x))))
  (/ 1 (+ (exp x) (exp (neg x))))
  (/ (+ (exp x) (exp (neg x))) 2.0)
  (/ 2.0 2)
  (/ 2.0 (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ 2.0 (sqrt (+ (exp x) (exp (neg x)))))
  (/ 2.0 1)
  (/ 2.0 1)
  (/ (+ (exp x) (exp (neg x))) (cbrt 2.0))
  (/ (+ (exp x) (exp (neg x))) (sqrt 2.0))
  (/ (+ (exp x) (exp (neg x))) 2.0)
  (/ 2.0 (+ (pow (exp x) 3) (pow (exp (neg x)) 3)))
  (/ 2.0 (- (* (exp x) (exp x)) (* (exp (neg x)) (exp (neg x)))))
  (- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))
  (/ 2.0 (+ (exp (neg x)) (exp x)))
  (/ 2.0 (+ (exp (* -1 x)) (exp x)))
0.290 * * [simplify]: iteration  0 :  4904  enodes  (cost  466 )
0.290 * * [simplify]: iteration  1 :  4904  enodes  (cost  466 )
0.292 * [simplify]: Simplified to:
   (log (/ 2.0 (+ (exp x) (exp (neg x)))))
  (log (/ 2.0 (+ (exp x) (exp (neg x)))))
  (exp (/ 2.0 (+ (exp x) (exp (neg x)))))
  (pow (/ 2.0 (+ (exp x) (exp (neg x)))) 3)
  (* (cbrt (/ 2.0 (+ (exp x) (exp (neg x))))) (cbrt (/ 2.0 (+ (exp x) (exp (neg x))))))
  (cbrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (pow (/ 2.0 (+ (exp x) (exp (neg x)))) 3)
  (sqrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (sqrt (/ 2.0 (+ (exp x) (exp (neg x)))))
  (neg 2.0)
  (- (neg (exp x)) (exp (neg x)))
  (* (cbrt 2.0) (/ (cbrt 2.0) 2))
  (/ (cbrt 2.0) (cosh x))
  (* (cbrt 2.0) (/ (cbrt 2.0) (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x)))))))
  (/ (cbrt 2.0) (cbrt (+ (exp x) (exp (neg x)))))
  (* (cbrt 2.0) (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (neg x))))))
  (/ (cbrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (* (cbrt 2.0) (cbrt 2.0))
  (/ (cbrt 2.0) (+ (exp x) (exp (neg x))))
  (* (cbrt 2.0) (cbrt 2.0))
  (/ (cbrt 2.0) (+ (exp x) (exp (neg x))))
  (/ (sqrt 2.0) 2)
  (/ (sqrt 2.0) (cosh x))
  (/ (sqrt 2.0) (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ (sqrt 2.0) (cbrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (/ (sqrt 2.0) (sqrt (+ (exp x) (exp (neg x)))))
  (sqrt 2.0)
  (/ (sqrt 2.0) (+ (exp x) (exp (neg x))))
  (sqrt 2.0)
  (/ (sqrt 2.0) (+ (exp x) (exp (neg x))))
  1/2
  (/ 2.0 (cosh x))
  (/ 1 (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ 2.0 (cbrt (+ (exp x) (exp (neg x)))))
  (/ 1 (sqrt (+ (exp x) (exp (neg x)))))
  (/ 2.0 (sqrt (+ (exp x) (exp (neg x)))))
  1
  (/ 2.0 (+ (exp x) (exp (neg x))))
  1
  (/ 2.0 (+ (exp x) (exp (neg x))))
  (/ 1 (+ (exp x) (exp (neg x))))
  (/ (+ (exp x) (exp (neg x))) 2.0)
  (/ 2.0 2)
  (/ 2.0 (* (cbrt (+ (exp x) (exp (neg x)))) (cbrt (+ (exp x) (exp (neg x))))))
  (/ 2.0 (sqrt (+ (exp x) (exp (neg x)))))
  2.0
  2.0
  (/ (+ (exp x) (exp (neg x))) (cbrt 2.0))
  (/ (+ (exp x) (exp (neg x))) (sqrt 2.0))
  (/ (+ (exp x) (exp (neg x))) 2.0)
  (/ 2.0 (+ (pow (exp x) 3) (pow (exp x) -3)))
  (/ 2.0 (- (pow (exp x) 2) (pow (exp x) -2)))
  (+ (* 0.20833333333333334 (pow x 4)) (- 1.0 (* x (* x 0.5))))
  (/ 2.0 (+ (exp x) (exp (neg x))))
  (/ 2.0 (+ (exp x) (exp (neg x))))
0.293 * * * [progress]: adding candidates to table
0.342 * [progress]: [Phase 3 of 3] Extracting.
0.342 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ 2.0 (+ (exp x) (exp (neg x)))))> #<alt (λ (x) (log (exp (/ 2.0 (+ (exp x) (exp (neg x)))))))>)
0.342 * * * [regime-changes]: Trying 3 branch expressions: ((+ (exp x) (exp (neg x))) (/ 2.0 (+ (exp x) (exp (neg x)))) x)
0.342 * * * * [regimes]: Trying to branch on (+ (exp x) (exp (neg x))) from (#<alt (λ (x) (/ 2.0 (+ (exp x) (exp (neg x)))))> #<alt (λ (x) (log (exp (/ 2.0 (+ (exp x) (exp (neg x)))))))>)
0.370 * * * * [regimes]: Trying to branch on (/ 2.0 (+ (exp x) (exp (neg x)))) from (#<alt (λ (x) (/ 2.0 (+ (exp x) (exp (neg x)))))> #<alt (λ (x) (log (exp (/ 2.0 (+ (exp x) (exp (neg x)))))))>)
0.397 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ 2.0 (+ (exp x) (exp (neg x)))))> #<alt (λ (x) (log (exp (/ 2.0 (+ (exp x) (exp (neg x)))))))>)
0.423 * * * [regime]: Found split indices: #<option (#s(si 0 256))>
0.424 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ 2.0 (+ (exp x) (exp (neg x))))
0.424 * * [simplify]: iteration  0 :  15  enodes  (cost  8 )
0.425 * * [simplify]: iteration  1 :  15  enodes  (cost  8 )
0.425 * [simplify]: Simplified to:
   (/ 2.0 (+ (exp x) (exp (neg x))))
0.425 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
0.461 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
0.461 * * * * [points]: Setting MPFR precision to 64
0.461 * * * * [points]: Setting MPFR precision to 320
0.462 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
0.462 * * * * [points]: Setting MPFR precision to 64
0.462 * * * * [points]: Setting MPFR precision to 320
0.463 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
0.463 * * * * [points]: Setting MPFR precision to 64
0.463 * * * * [points]: Setting MPFR precision to 320
0.464 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
0.464 * * * * [points]: Setting MPFR precision to 64
0.466 * * * * [points]: Setting MPFR precision to 320
0.468 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
0.468 * * * * [points]: Setting MPFR precision to 64
0.474 * * * * [points]: Setting MPFR precision to 320
0.477 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
0.477 * * * * [points]: Setting MPFR precision to 64
0.483 * * * * [points]: Setting MPFR precision to 320
0.490 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
0.490 * * * * [points]: Setting MPFR precision to 64
0.502 * * * * [points]: Setting MPFR precision to 320
0.515 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
0.516 * * * * [points]: Setting MPFR precision to 64
0.538 * * * * [points]: Setting MPFR precision to 320
0.565 * * * * [points]: Computing exacts for 8000 points
0.565 * * * * [points]: Setting MPFR precision to 64
0.657 * * * * [points]: Setting MPFR precision to 320
0.765 * * * * [points]: Filtering points with unrepresentable outputs
0.778 * * * * [points]: Sampled 8000 points with exact outputs
1.263 * [regime-testing]: End program error score: 0.01088820065598462