17.030 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.053 * * * [progress]: [2/2] Setting up program.
0.056 * [progress]: [Phase 2 of 3] Improving.
0.056 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ 1.0 (exp x))) (* x y))
0.058 * * [simplify]: iteration  0 :  12  enodes  (cost  5 )
0.060 * * [simplify]: iteration  1 :  19  enodes  (cost  5 )
0.062 * * [simplify]: iteration  2 :  23  enodes  (cost  5 )
0.063 * * [simplify]: iteration  3 :  23  enodes  (cost  5 )
0.063 * [simplify]: Simplified to:
   (- (log (+ 1.0 (exp x))) (* x y))
0.063 * * [progress]: iteration 1 / 4
0.063 * * * [progress]: picking best candidate
0.065 * * * * [pick]: Picked  #<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))>
0.065 * * * [progress]: localizing error
0.073 * * * [progress]: generating rewritten candidates
0.073 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.076 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
0.080 * * * [progress]: generating series expansions
0.080 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.080 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
0.080 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.080 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.080 * [taylor]: Taking taylor expansion of (exp x) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of 1.0 in x
0.081 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.081 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.081 * [taylor]: Taking taylor expansion of (exp x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of 1.0 in x
0.098 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
0.098 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.098 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.098 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of 1.0 in x
0.098 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.098 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.098 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.099 * [taylor]: Taking taylor expansion of 1.0 in x
0.119 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
0.119 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.119 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.119 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.119 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.119 * [taylor]: Taking taylor expansion of -1 in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of 1.0 in x
0.119 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.119 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.119 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.119 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.119 * [taylor]: Taking taylor expansion of -1 in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.145 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
0.145 * [approximate]: Taking taylor expansion of (+ (exp x) 1.0) in (x) around 0
0.145 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.145 * [taylor]: Taking taylor expansion of (exp x) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of 1.0 in x
0.145 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.145 * [taylor]: Taking taylor expansion of (exp x) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of 1.0 in x
0.148 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in (x) around 0
0.148 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.148 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [taylor]: Taking taylor expansion of 1.0 in x
0.148 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.148 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of 1.0 in x
0.150 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in (x) around 0
0.150 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.150 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.150 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.150 * [taylor]: Taking taylor expansion of -1 in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of 1.0 in x
0.151 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.151 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.151 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.151 * [taylor]: Taking taylor expansion of -1 in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of 1.0 in x
0.153 * * * [progress]: simplifying candidates
0.153 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (log (+ 1.0 (exp x))))
  (log1p (log (+ 1.0 (exp x))))
  (log (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x)))))
  (log (cbrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log 1)
  (log (+ 1.0 (exp x)))
  (log 1)
  (log (+ 1.0 (exp x)))
  (log (+ (pow 1.0 3) (pow (exp x) 3)))
  (log (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x)))))
  (log (- (* 1.0 1.0) (* (exp x) (exp x))))
  (log (- 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (log (log (+ 1.0 (exp x))))
  (exp (log (+ 1.0 (exp x))))
  (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x)))))
  (cbrt (log (+ 1.0 (exp x))))
  (* (* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x)))) (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (expm1 (+ 1.0 (exp x)))
  (log1p (+ 1.0 (exp x)))
  (* (exp 1.0) (exp (exp x)))
  (log (+ 1.0 (exp x)))
  (exp (+ 1.0 (exp x)))
  (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x))))
  (cbrt (+ 1.0 (exp x)))
  (* (* (+ 1.0 (exp x)) (+ 1.0 (exp x))) (+ 1.0 (exp x)))
  (sqrt (+ 1.0 (exp x)))
  (sqrt (+ 1.0 (exp x)))
  (+ (pow 1.0 3) (pow (exp x) 3))
  (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x))))
  (- (* 1.0 1.0) (* (exp x) (exp x)))
  (- 1.0 (exp x))
  (+ 1.0 (exp x))
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (+ (* 1/2 (pow x 2)) (+ x 2.0))
  (+ (exp x) 1.0)
  (+ (exp x) 1.0)
0.157 * * [simplify]: iteration  0 :  137  enodes  (cost  181 )
0.160 * * [simplify]: iteration  1 :  364  enodes  (cost  163 )
0.166 * * [simplify]: iteration  2 :  1024  enodes  (cost  163 )
0.183 * * [simplify]: iteration  3 :  3614  enodes  (cost  161 )
0.255 * * [simplify]: iteration  4 :  5001  enodes  (cost  159 )
0.257 * [simplify]: Simplified to:
   (expm1 (log (+ 1.0 (exp x))))
  (log1p (log (+ 1.0 (exp x))))
  (* 2 (log (cbrt (+ 1.0 (exp x)))))
  (log (cbrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  0
  (log (+ (exp x) 1.0))
  0
  (log (+ (exp x) 1.0))
  (log (+ (pow 1.0 3) (pow (exp x) 3)))
  (log (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x)))))
  (log (- (* 1.0 1.0) (* (exp x) (exp x))))
  (log (- 1.0 (exp x)))
  (log (+ (exp x) 1.0))
  (log (log (+ 1.0 (exp x))))
  (+ 1.0 (exp x))
  (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x)))))
  (cbrt (log (+ 1.0 (exp x))))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (expm1 (+ 1.0 (exp x)))
  (log1p (+ 1.0 (exp x)))
  (exp (+ 1.0 (exp x)))
  (log (+ (exp x) 1.0))
  (exp (+ 1.0 (exp x)))
  (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x))))
  (cbrt (+ 1.0 (exp x)))
  (pow (+ 1.0 (exp x)) 3)
  (sqrt (+ 1.0 (exp x)))
  (sqrt (+ 1.0 (exp x)))
  (+ (pow 1.0 3) (pow (exp x) 3))
  (fma (exp x) (- (exp x) 1.0) (* 1.0 1.0))
  (- (* 1.0 1.0) (* (exp x) (exp x)))
  (- 1.0 (exp x))
  (+ 1.0 (exp x))
  (fma (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))) (fma x 0.5 (log 2.0)))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (fma x (fma 1/2 x 1) 2.0)
  (+ 1.0 (exp x))
  (+ 1.0 (exp x))
0.257 * * * [progress]: adding candidates to table
0.334 * * [progress]: iteration 2 / 4
0.334 * * * [progress]: picking best candidate
0.342 * * * * [pick]: Picked  #<alt (λ (x y) (- (cbrt (pow (log (+ (exp x) 1.0)) 3)) (* x y)))>
0.342 * * * [progress]: localizing error
0.352 * * * [progress]: generating rewritten candidates
0.352 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 1)
0.355 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1)
0.357 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1)
0.362 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 1 1 1)
0.371 * * * [progress]: generating series expansions
0.371 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 1)
0.371 * [approximate]: Taking taylor expansion of (pow (log (+ (exp x) 1.0)) 3) in (x) around 0
0.371 * [taylor]: Taking taylor expansion of (pow (log (+ (exp x) 1.0)) 3) in x
0.371 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.371 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.371 * [taylor]: Taking taylor expansion of (exp x) in x
0.371 * [taylor]: Taking taylor expansion of x in x
0.371 * [taylor]: Taking taylor expansion of 1.0 in x
0.372 * [taylor]: Taking taylor expansion of (pow (log (+ (exp x) 1.0)) 3) in x
0.372 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.372 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.372 * [taylor]: Taking taylor expansion of (exp x) in x
0.372 * [taylor]: Taking taylor expansion of x in x
0.372 * [taylor]: Taking taylor expansion of 1.0 in x
0.422 * [approximate]: Taking taylor expansion of (pow (log (+ (exp (/ 1 x)) 1.0)) 3) in (x) around 0
0.422 * [taylor]: Taking taylor expansion of (pow (log (+ (exp (/ 1 x)) 1.0)) 3) in x
0.422 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.422 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.422 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.422 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.422 * [taylor]: Taking taylor expansion of x in x
0.422 * [taylor]: Taking taylor expansion of 1.0 in x
0.422 * [taylor]: Taking taylor expansion of (pow (log (+ (exp (/ 1 x)) 1.0)) 3) in x
0.422 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.422 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.422 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.422 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.422 * [taylor]: Taking taylor expansion of x in x
0.423 * [taylor]: Taking taylor expansion of 1.0 in x
0.457 * [approximate]: Taking taylor expansion of (pow (log (+ (exp (/ -1 x)) 1.0)) 3) in (x) around 0
0.457 * [taylor]: Taking taylor expansion of (pow (log (+ (exp (/ -1 x)) 1.0)) 3) in x
0.457 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.457 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.457 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.457 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.457 * [taylor]: Taking taylor expansion of -1 in x
0.457 * [taylor]: Taking taylor expansion of x in x
0.458 * [taylor]: Taking taylor expansion of 1.0 in x
0.458 * [taylor]: Taking taylor expansion of (pow (log (+ (exp (/ -1 x)) 1.0)) 3) in x
0.458 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.458 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.458 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.458 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.458 * [taylor]: Taking taylor expansion of -1 in x
0.458 * [taylor]: Taking taylor expansion of x in x
0.458 * [taylor]: Taking taylor expansion of 1.0 in x
0.487 * * * * [progress]: [ 2 / 4 ] generating series at (2 1)
0.487 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
0.487 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.487 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.487 * [taylor]: Taking taylor expansion of (exp x) in x
0.487 * [taylor]: Taking taylor expansion of x in x
0.487 * [taylor]: Taking taylor expansion of 1.0 in x
0.488 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.488 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.488 * [taylor]: Taking taylor expansion of (exp x) in x
0.488 * [taylor]: Taking taylor expansion of x in x
0.488 * [taylor]: Taking taylor expansion of 1.0 in x
0.504 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
0.504 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.504 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.504 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.504 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.504 * [taylor]: Taking taylor expansion of x in x
0.504 * [taylor]: Taking taylor expansion of 1.0 in x
0.504 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.504 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.504 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.504 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.504 * [taylor]: Taking taylor expansion of x in x
0.504 * [taylor]: Taking taylor expansion of 1.0 in x
0.524 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
0.524 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.524 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.524 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.524 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.524 * [taylor]: Taking taylor expansion of -1 in x
0.524 * [taylor]: Taking taylor expansion of x in x
0.525 * [taylor]: Taking taylor expansion of 1.0 in x
0.525 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.525 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.525 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.525 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.525 * [taylor]: Taking taylor expansion of -1 in x
0.525 * [taylor]: Taking taylor expansion of x in x
0.525 * [taylor]: Taking taylor expansion of 1.0 in x
0.550 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1)
0.550 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
0.550 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.550 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.550 * [taylor]: Taking taylor expansion of (exp x) in x
0.550 * [taylor]: Taking taylor expansion of x in x
0.550 * [taylor]: Taking taylor expansion of 1.0 in x
0.551 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.551 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.551 * [taylor]: Taking taylor expansion of (exp x) in x
0.551 * [taylor]: Taking taylor expansion of x in x
0.551 * [taylor]: Taking taylor expansion of 1.0 in x
0.567 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
0.567 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.567 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.567 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.567 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.567 * [taylor]: Taking taylor expansion of x in x
0.567 * [taylor]: Taking taylor expansion of 1.0 in x
0.567 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.567 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.567 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.567 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.567 * [taylor]: Taking taylor expansion of x in x
0.568 * [taylor]: Taking taylor expansion of 1.0 in x
0.587 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
0.587 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.587 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.587 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.587 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.587 * [taylor]: Taking taylor expansion of -1 in x
0.587 * [taylor]: Taking taylor expansion of x in x
0.588 * [taylor]: Taking taylor expansion of 1.0 in x
0.588 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.588 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.588 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.588 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.588 * [taylor]: Taking taylor expansion of -1 in x
0.588 * [taylor]: Taking taylor expansion of x in x
0.588 * [taylor]: Taking taylor expansion of 1.0 in x
0.608 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 1 1 1)
0.608 * [approximate]: Taking taylor expansion of (+ (exp x) 1.0) in (x) around 0
0.608 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.608 * [taylor]: Taking taylor expansion of (exp x) in x
0.608 * [taylor]: Taking taylor expansion of x in x
0.608 * [taylor]: Taking taylor expansion of 1.0 in x
0.608 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.608 * [taylor]: Taking taylor expansion of (exp x) in x
0.608 * [taylor]: Taking taylor expansion of x in x
0.608 * [taylor]: Taking taylor expansion of 1.0 in x
0.610 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in (x) around 0
0.610 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.610 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.610 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.610 * [taylor]: Taking taylor expansion of x in x
0.611 * [taylor]: Taking taylor expansion of 1.0 in x
0.611 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.611 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.611 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.611 * [taylor]: Taking taylor expansion of x in x
0.611 * [taylor]: Taking taylor expansion of 1.0 in x
0.613 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in (x) around 0
0.613 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.613 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.613 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.613 * [taylor]: Taking taylor expansion of -1 in x
0.613 * [taylor]: Taking taylor expansion of x in x
0.613 * [taylor]: Taking taylor expansion of 1.0 in x
0.613 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.613 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.613 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.613 * [taylor]: Taking taylor expansion of -1 in x
0.613 * [taylor]: Taking taylor expansion of x in x
0.614 * [taylor]: Taking taylor expansion of 1.0 in x
0.615 * * * [progress]: simplifying candidates
0.621 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (pow (log (+ (exp x) 1.0)) 3))
  (log1p (pow (log (+ (exp x) 1.0)) 3))
  (* (log (log (+ (exp x) 1.0))) 3)
  (* (log (log (+ (exp x) 1.0))) 3)
  (* 1 3)
  (pow (log (+ (exp x) 1.0)) (* (cbrt 3) (cbrt 3)))
  (pow (log (+ (exp x) 1.0)) (sqrt 3))
  (pow (log (+ (exp x) 1.0)) 1)
  (pow 1 3)
  (pow (log (+ (exp x) 1.0)) 3)
  (pow (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0)))) 3)
  (pow (cbrt (log (+ (exp x) 1.0))) 3)
  (pow (sqrt (log (+ (exp x) 1.0))) 3)
  (pow (sqrt (log (+ (exp x) 1.0))) 3)
  (pow 1 3)
  (pow (log (+ (exp x) 1.0)) 3)
  (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0)))
  (log (pow (log (+ (exp x) 1.0)) 3))
  (exp (pow (log (+ (exp x) 1.0)) 3))
  (* (cbrt (pow (log (+ (exp x) 1.0)) 3)) (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (cbrt (pow (log (+ (exp x) 1.0)) 3))
  (* (* (pow (log (+ (exp x) 1.0)) 3) (pow (log (+ (exp x) 1.0)) 3)) (pow (log (+ (exp x) 1.0)) 3))
  (pow 1 3)
  (pow (log (+ (exp x) 1.0)) 3)
  (pow (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0)))) 3)
  (pow (cbrt (log (+ (exp x) 1.0))) 3)
  (pow (sqrt (log (+ (exp x) 1.0))) 3)
  (pow (sqrt (log (+ (exp x) 1.0))) 3)
  (pow 1 3)
  (pow (log (+ (exp x) 1.0)) 3)
  (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0)))
  (sqrt (pow (log (+ (exp x) 1.0)) 3))
  (sqrt (pow (log (+ (exp x) 1.0)) 3))
  (pow (log (+ (exp x) 1.0)) (/ 3 2))
  (pow (log (+ (exp x) 1.0)) (/ 3 2))
  (expm1 (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (log1p (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (log (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (exp (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (cbrt (pow 1 3))
  (cbrt (pow (log (+ (exp x) 1.0)) 3))
  (cbrt (pow (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0)))) 3))
  (cbrt (pow (cbrt (log (+ (exp x) 1.0))) 3))
  (cbrt (pow (sqrt (log (+ (exp x) 1.0))) 3))
  (cbrt (pow (sqrt (log (+ (exp x) 1.0))) 3))
  (cbrt (pow 1 3))
  (cbrt (pow (log (+ (exp x) 1.0)) 3))
  (cbrt (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (cbrt (* (cbrt (pow (log (+ (exp x) 1.0)) 3)) (cbrt (pow (log (+ (exp x) 1.0)) 3))))
  (cbrt (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (cbrt (pow 1 3))
  (cbrt (pow (log (+ (exp x) 1.0)) 3))
  (cbrt (pow (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0)))) 3))
  (cbrt (pow (cbrt (log (+ (exp x) 1.0))) 3))
  (cbrt (pow (sqrt (log (+ (exp x) 1.0))) 3))
  (cbrt (pow (sqrt (log (+ (exp x) 1.0))) 3))
  (cbrt (pow 1 3))
  (cbrt (pow (log (+ (exp x) 1.0)) 3))
  (cbrt (log (+ (exp x) 1.0)))
  (cbrt (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))))
  (cbrt (sqrt (pow (log (+ (exp x) 1.0)) 3)))
  (cbrt (sqrt (pow (log (+ (exp x) 1.0)) 3)))
  (cbrt 1)
  (cbrt (pow (log (+ (exp x) 1.0)) 3))
  (cbrt (pow (log (+ (exp x) 1.0)) (/ 3 2)))
  (cbrt (pow (log (+ (exp x) 1.0)) (/ 3 2)))
  (* (cbrt (cbrt (pow (log (+ (exp x) 1.0)) 3))) (cbrt (cbrt (pow (log (+ (exp x) 1.0)) 3))))
  (cbrt (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (* (* (cbrt (pow (log (+ (exp x) 1.0)) 3)) (cbrt (pow (log (+ (exp x) 1.0)) 3))) (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (sqrt (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (sqrt (cbrt (pow (log (+ (exp x) 1.0)) 3)))
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (log (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log 1)
  (log (+ (exp x) 1.0))
  (log 1)
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0))))
  (log (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (exp (log (+ (exp x) 1.0)))
  (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (* (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))) (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (+ (exp x) 1.0))
  (log1p (+ (exp x) 1.0))
  (* (exp (exp x)) (exp 1.0))
  (log (+ (exp x) 1.0))
  (exp (+ (exp x) 1.0))
  (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0)))
  (cbrt (+ (exp x) 1.0))
  (* (* (+ (exp x) 1.0) (+ (exp x) 1.0)) (+ (exp x) 1.0))
  (sqrt (+ (exp x) 1.0))
  (sqrt (+ (exp x) 1.0))
  (+ (pow (exp x) 3) (pow 1.0 3))
  (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0)))
  (- (* (exp x) (exp x)) (* 1.0 1.0))
  (- (exp x) 1.0)
  (+ (exp x) 1.0)
  (- (+ (* 0.75 (* (pow (log 2.0) 2) (pow x 2))) (+ (pow (log 2.0) 3) (+ (* 1.5 (* (pow (log 2.0) 2) x)) (* 0.75 (* (log 2.0) (pow x 2)))))) (* 3/2 (/ (* (pow (log 2.0) 2) (pow x 2)) (pow 2.0 2))))
  (pow (log (+ (exp x) 1.0)) 3)
  (pow (log (+ (exp x) 1.0)) 3)
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (+ (* 1/2 (pow x 2)) (+ x 2.0))
  (+ (exp x) 1.0)
  (+ (exp x) 1.0)
0.627 * * [simplify]: iteration  0 :  269  enodes  (cost  526 )
0.632 * * [simplify]: iteration  1 :  1001  enodes  (cost  494 )
0.653 * * [simplify]: iteration  2 :  5001  enodes  (cost  485 )
0.656 * [simplify]: Simplified to:
   (expm1 (pow (log (+ (exp x) 1.0)) 3))
  (log1p (pow (log (+ (exp x) 1.0)) 3))
  (log (pow (log (+ (exp x) 1.0)) 3))
  (log (pow (log (+ (exp x) 1.0)) 3))
  3
  (pow (log (+ (exp x) 1.0)) (* (cbrt 3) (cbrt 3)))
  (pow (log (+ (exp x) 1.0)) (sqrt 3))
  (log (+ (exp x) 1.0))
  1
  (pow (log (+ (exp x) 1.0)) 3)
  (pow (log (+ (exp x) 1.0)) 2)
  (log (+ (exp x) 1.0))
  (pow (log (+ (exp x) 1.0)) 3/2)
  (pow (log (+ (exp x) 1.0)) 3/2)
  1
  (pow (log (+ (exp x) 1.0)) 3)
  (pow (log (+ (exp x) 1.0)) 2)
  (log (pow (log (+ (exp x) 1.0)) 3))
  (exp (pow (log (+ (exp x) 1.0)) 3))
  (pow (log (+ (exp x) 1.0)) 2)
  (log (+ (exp x) 1.0))
  (pow (pow (log (+ (exp x) 1.0)) 3) 3)
  1
  (pow (log (+ (exp x) 1.0)) 3)
  (pow (log (+ (exp x) 1.0)) 2)
  (log (+ (exp x) 1.0))
  (pow (log (+ (exp x) 1.0)) 3/2)
  (pow (log (+ (exp x) 1.0)) 3/2)
  1
  (pow (log (+ (exp x) 1.0)) 3)
  (pow (log (+ (exp x) 1.0)) 2)
  (sqrt (pow (log (+ (exp x) 1.0)) 3))
  (sqrt (pow (log (+ (exp x) 1.0)) 3))
  (pow (log (+ (exp x) 1.0)) 3/2)
  (pow (log (+ (exp x) 1.0)) 3/2)
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (log (log (+ (exp x) 1.0)))
  (+ (exp x) 1.0)
  1
  (log (+ (exp x) 1.0))
  (cbrt (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  1
  (log (+ (exp x) 1.0))
  (cbrt (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (cbrt (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  1
  (log (+ (exp x) 1.0))
  (cbrt (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  1
  (log (+ (exp x) 1.0))
  (cbrt (log (+ (exp x) 1.0)))
  (cbrt (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))))
  (cbrt (sqrt (pow (log (+ (exp x) 1.0)) 3)))
  (cbrt (sqrt (pow (log (+ (exp x) 1.0)) 3)))
  1
  (log (+ (exp x) 1.0))
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (cbrt (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (* 2 (log (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  0
  (log (+ (exp x) 1.0))
  0
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0))))
  (log (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (+ (exp x) 1.0)
  (cbrt (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (+ (exp x) 1.0))
  (log1p (+ (exp x) 1.0))
  (exp (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (exp (+ (exp x) 1.0))
  (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0)))
  (cbrt (+ (exp x) 1.0))
  (pow (+ (exp x) 1.0) 3)
  (sqrt (+ (exp x) 1.0))
  (sqrt (+ (exp x) 1.0))
  (+ (pow (exp x) 3) (pow 1.0 3))
  (fma 1.0 (- 1.0 (exp x)) (exp (+ x x)))
  (fma (- 1.0) 1.0 (exp (+ x x)))
  (- (exp x) 1.0)
  (+ (exp x) 1.0)
  (+ (fma (* 1.5 (pow (log 2.0) 2)) x (pow (log 2.0) 3)) (- (* (* 0.75 (pow x 2)) (+ (log 2.0) (pow (log 2.0) 2))) (* 3/2 (/ (* (pow (log 2.0) 2) (pow x 2)) (pow 2.0 2)))))
  (pow (log (+ (exp x) 1.0)) 3)
  (pow (log (+ (exp x) 1.0)) 3)
  (+ (log 2.0) (- (fma 0.25 (pow x 2) (* 0.5 x)) (* 1/2 (/ (pow x 2) (pow 2.0 2)))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (+ (log 2.0) (- (fma 0.25 (pow x 2) (* 0.5 x)) (* 1/2 (/ (pow x 2) (pow 2.0 2)))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (fma 1/2 (pow x 2) (+ x 2.0))
  (+ (exp x) 1.0)
  (+ (exp x) 1.0)
0.657 * * * [progress]: adding candidates to table
0.818 * * [progress]: iteration 3 / 4
0.818 * * * [progress]: picking best candidate
0.828 * * * * [pick]: Picked  #<alt (λ (x y) (- (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))) (* x y)))>
0.829 * * * [progress]: localizing error
0.840 * * * [progress]: generating rewritten candidates
0.840 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 1 1)
0.846 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1)
0.849 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 2)
0.853 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 1 1 1)
0.859 * * * [progress]: generating series expansions
0.859 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 1 1)
0.859 * [approximate]: Taking taylor expansion of (pow (log (+ (exp x) 1.0)) 2) in (x) around 0
0.859 * [taylor]: Taking taylor expansion of (pow (log (+ (exp x) 1.0)) 2) in x
0.859 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.859 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.859 * [taylor]: Taking taylor expansion of (exp x) in x
0.859 * [taylor]: Taking taylor expansion of x in x
0.859 * [taylor]: Taking taylor expansion of 1.0 in x
0.860 * [taylor]: Taking taylor expansion of (pow (log (+ (exp x) 1.0)) 2) in x
0.860 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.860 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.860 * [taylor]: Taking taylor expansion of (exp x) in x
0.860 * [taylor]: Taking taylor expansion of x in x
0.860 * [taylor]: Taking taylor expansion of 1.0 in x
0.889 * [approximate]: Taking taylor expansion of (pow (log (+ (exp (/ 1 x)) 1.0)) 2) in (x) around 0
0.889 * [taylor]: Taking taylor expansion of (pow (log (+ (exp (/ 1 x)) 1.0)) 2) in x
0.889 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.889 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.889 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.889 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.889 * [taylor]: Taking taylor expansion of x in x
0.890 * [taylor]: Taking taylor expansion of 1.0 in x
0.890 * [taylor]: Taking taylor expansion of (pow (log (+ (exp (/ 1 x)) 1.0)) 2) in x
0.890 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.890 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.890 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.890 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.890 * [taylor]: Taking taylor expansion of x in x
0.890 * [taylor]: Taking taylor expansion of 1.0 in x
0.914 * [approximate]: Taking taylor expansion of (pow (log (+ (exp (/ -1 x)) 1.0)) 2) in (x) around 0
0.914 * [taylor]: Taking taylor expansion of (pow (log (+ (exp (/ -1 x)) 1.0)) 2) in x
0.914 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.914 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.914 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.914 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.914 * [taylor]: Taking taylor expansion of -1 in x
0.914 * [taylor]: Taking taylor expansion of x in x
0.915 * [taylor]: Taking taylor expansion of 1.0 in x
0.915 * [taylor]: Taking taylor expansion of (pow (log (+ (exp (/ -1 x)) 1.0)) 2) in x
0.915 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.915 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.915 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.915 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.915 * [taylor]: Taking taylor expansion of -1 in x
0.915 * [taylor]: Taking taylor expansion of x in x
0.915 * [taylor]: Taking taylor expansion of 1.0 in x
0.944 * * * * [progress]: [ 2 / 4 ] generating series at (2 1)
0.944 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
0.945 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.945 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.945 * [taylor]: Taking taylor expansion of (exp x) in x
0.945 * [taylor]: Taking taylor expansion of x in x
0.945 * [taylor]: Taking taylor expansion of 1.0 in x
0.945 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.945 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.945 * [taylor]: Taking taylor expansion of (exp x) in x
0.945 * [taylor]: Taking taylor expansion of x in x
0.945 * [taylor]: Taking taylor expansion of 1.0 in x
0.961 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
0.961 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.961 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.961 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.961 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.961 * [taylor]: Taking taylor expansion of x in x
0.962 * [taylor]: Taking taylor expansion of 1.0 in x
0.962 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.962 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.962 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.962 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.962 * [taylor]: Taking taylor expansion of x in x
0.962 * [taylor]: Taking taylor expansion of 1.0 in x
0.983 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
0.983 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.983 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.983 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.983 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.983 * [taylor]: Taking taylor expansion of -1 in x
0.983 * [taylor]: Taking taylor expansion of x in x
0.984 * [taylor]: Taking taylor expansion of 1.0 in x
0.984 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.984 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.984 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.984 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.984 * [taylor]: Taking taylor expansion of -1 in x
0.984 * [taylor]: Taking taylor expansion of x in x
0.984 * [taylor]: Taking taylor expansion of 1.0 in x
1.004 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 2)
1.004 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
1.004 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.004 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.004 * [taylor]: Taking taylor expansion of (exp x) in x
1.004 * [taylor]: Taking taylor expansion of x in x
1.004 * [taylor]: Taking taylor expansion of 1.0 in x
1.004 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.004 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.004 * [taylor]: Taking taylor expansion of (exp x) in x
1.004 * [taylor]: Taking taylor expansion of x in x
1.004 * [taylor]: Taking taylor expansion of 1.0 in x
1.026 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
1.026 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.026 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.026 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.026 * [taylor]: Taking taylor expansion of x in x
1.026 * [taylor]: Taking taylor expansion of 1.0 in x
1.026 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.026 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.026 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.026 * [taylor]: Taking taylor expansion of x in x
1.027 * [taylor]: Taking taylor expansion of 1.0 in x
1.046 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
1.046 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.046 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.046 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.046 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.046 * [taylor]: Taking taylor expansion of -1 in x
1.046 * [taylor]: Taking taylor expansion of x in x
1.047 * [taylor]: Taking taylor expansion of 1.0 in x
1.047 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.047 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.047 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.047 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.047 * [taylor]: Taking taylor expansion of -1 in x
1.047 * [taylor]: Taking taylor expansion of x in x
1.047 * [taylor]: Taking taylor expansion of 1.0 in x
1.067 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 1 1 1)
1.067 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
1.067 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.067 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.067 * [taylor]: Taking taylor expansion of (exp x) in x
1.067 * [taylor]: Taking taylor expansion of x in x
1.067 * [taylor]: Taking taylor expansion of 1.0 in x
1.067 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.067 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.068 * [taylor]: Taking taylor expansion of (exp x) in x
1.068 * [taylor]: Taking taylor expansion of x in x
1.068 * [taylor]: Taking taylor expansion of 1.0 in x
1.083 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
1.083 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.083 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.083 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.083 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.083 * [taylor]: Taking taylor expansion of x in x
1.084 * [taylor]: Taking taylor expansion of 1.0 in x
1.084 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.084 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.084 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.084 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.084 * [taylor]: Taking taylor expansion of x in x
1.084 * [taylor]: Taking taylor expansion of 1.0 in x
1.109 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
1.109 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.109 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.109 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.109 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.109 * [taylor]: Taking taylor expansion of -1 in x
1.109 * [taylor]: Taking taylor expansion of x in x
1.109 * [taylor]: Taking taylor expansion of 1.0 in x
1.109 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.109 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.109 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.109 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.109 * [taylor]: Taking taylor expansion of -1 in x
1.109 * [taylor]: Taking taylor expansion of x in x
1.110 * [taylor]: Taking taylor expansion of 1.0 in x
1.129 * * * [progress]: simplifying candidates
1.130 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (pow (log (+ (exp x) 1.0)) 2))
  (log1p (pow (log (+ (exp x) 1.0)) 2))
  (* (log (log (+ (exp x) 1.0))) 2)
  (* (log (log (+ (exp x) 1.0))) 2)
  (* 1 2)
  (pow (log (+ (exp x) 1.0)) (* (cbrt 2) (cbrt 2)))
  (pow (log (+ (exp x) 1.0)) (sqrt 2))
  (pow (log (+ (exp x) 1.0)) 1)
  (pow 1 2)
  (pow (log (+ (exp x) 1.0)) 2)
  (pow (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0)))) 2)
  (pow (cbrt (log (+ (exp x) 1.0))) 2)
  (pow (sqrt (log (+ (exp x) 1.0))) 2)
  (pow (sqrt (log (+ (exp x) 1.0))) 2)
  (pow 1 2)
  (pow (log (+ (exp x) 1.0)) 2)
  (log (pow (log (+ (exp x) 1.0)) 2))
  (exp (pow (log (+ (exp x) 1.0)) 2))
  (* (cbrt (pow (log (+ (exp x) 1.0)) 2)) (cbrt (pow (log (+ (exp x) 1.0)) 2)))
  (cbrt (pow (log (+ (exp x) 1.0)) 2))
  (* (* (pow (log (+ (exp x) 1.0)) 2) (pow (log (+ (exp x) 1.0)) 2)) (pow (log (+ (exp x) 1.0)) 2))
  (sqrt (pow (log (+ (exp x) 1.0)) 2))
  (sqrt (pow (log (+ (exp x) 1.0)) 2))
  (pow (log (+ (exp x) 1.0)) (/ 2 2))
  (pow (log (+ (exp x) 1.0)) (/ 2 2))
  (expm1 (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))))
  (log1p (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))))
  (log (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))))
  (exp (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))))
  (cbrt (pow (log (+ (exp x) 1.0)) 2))
  (cbrt (log (+ (exp x) 1.0)))
  (* (cbrt (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0))))) (cbrt (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0))))))
  (cbrt (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))))
  (* (* (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))) (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0))))) (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))))
  (sqrt (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))))
  (sqrt (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))))
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (log (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log 1)
  (log (+ (exp x) 1.0))
  (log 1)
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0))))
  (log (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (exp (log (+ (exp x) 1.0)))
  (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (* (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))) (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (log (* (cbrt (+ (exp x) 1.0)) (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log 1)
  (log (+ (exp x) 1.0))
  (log 1)
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0))))
  (log (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (exp (log (+ (exp x) 1.0)))
  (* (cbrt (log (+ (exp x) 1.0))) (cbrt (log (+ (exp x) 1.0))))
  (cbrt (log (+ (exp x) 1.0)))
  (* (* (log (+ (exp x) 1.0)) (log (+ (exp x) 1.0))) (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (- (+ (* 0.25 (pow x 2)) (+ (* 1.0 (* (log 2.0) x)) (+ (pow (log 2.0) 2) (* 0.5 (* (log 2.0) (pow x 2)))))) (/ (* (log 2.0) (pow x 2)) (pow 2.0 2)))
  (pow (log (+ (exp x) 1.0)) 2)
  (pow (log (+ (exp x) 1.0)) 2)
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
1.135 * * [simplify]: iteration  0 :  211  enodes  (cost  501 )
1.139 * * [simplify]: iteration  1 :  642  enodes  (cost  390 )
1.151 * * [simplify]: iteration  2 :  2416  enodes  (cost  387 )
1.197 * * [simplify]: iteration  3 :  5001  enodes  (cost  382 )
1.199 * [simplify]: Simplified to:
   (expm1 (pow (log (+ (exp x) 1.0)) 2))
  (log1p (pow (log (+ (exp x) 1.0)) 2))
  (log (pow (log (+ (exp x) 1.0)) 2))
  (log (pow (log (+ (exp x) 1.0)) 2))
  2
  (pow (log (+ (exp x) 1.0)) (* (cbrt 2) (cbrt 2)))
  (pow (log (+ (exp x) 1.0)) (sqrt 2))
  (log (+ (exp x) 1.0))
  1
  (pow (log (+ (exp x) 1.0)) 2)
  (pow (cbrt (log (+ (exp x) 1.0))) 4)
  (pow (cbrt (log (+ (exp x) 1.0))) 2)
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  1
  (pow (log (+ (exp x) 1.0)) 2)
  (log (pow (log (+ (exp x) 1.0)) 2))
  (exp (pow (log (+ (exp x) 1.0)) 2))
  (* (cbrt (pow (log (+ (exp x) 1.0)) 2)) (cbrt (pow (log (+ (exp x) 1.0)) 2)))
  (cbrt (pow (log (+ (exp x) 1.0)) 2))
  (pow (log (+ (exp x) 1.0)) 6)
  (fabs (log (+ (exp x) 1.0)))
  (fabs (log (+ (exp x) 1.0)))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (log (log (+ (exp x) 1.0)))
  (+ (exp x) 1.0)
  (cbrt (pow (log (+ (exp x) 1.0)) 2))
  (cbrt (log (+ (exp x) 1.0)))
  (pow (cbrt (log (+ (exp x) 1.0))) 2)
  (cbrt (log (+ (exp x) 1.0)))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (* 2 (log (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  0
  (log (+ (exp x) 1.0))
  0
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0))))
  (log (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (+ (exp x) 1.0)
  (pow (cbrt (log (+ (exp x) 1.0))) 2)
  (cbrt (log (+ (exp x) 1.0)))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (expm1 (log (+ (exp x) 1.0)))
  (log1p (log (+ (exp x) 1.0)))
  (* 2 (log (cbrt (+ (exp x) 1.0))))
  (log (cbrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  (log (sqrt (+ (exp x) 1.0)))
  0
  (log (+ (exp x) 1.0))
  0
  (log (+ (exp x) 1.0))
  (log (+ (pow (exp x) 3) (pow 1.0 3)))
  (log (+ (* (exp x) (exp x)) (- (* 1.0 1.0) (* (exp x) 1.0))))
  (log (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (log (- (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (log (log (+ (exp x) 1.0)))
  (+ (exp x) 1.0)
  (pow (cbrt (log (+ (exp x) 1.0))) 2)
  (cbrt (log (+ (exp x) 1.0)))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ (exp x) 1.0)))
  (sqrt (log (+ (exp x) 1.0)))
  (fma (pow x 2) (- 0.25 (/ (log 2.0) (pow 2.0 2))) (fma (log 2.0) (+ (* 0.5 (pow x 2)) (* 1.0 x)) (pow (log 2.0) 2)))
  (pow (log (+ (exp x) 1.0)) 2)
  (pow (log (+ (exp x) 1.0)) 2)
  (fma x (+ (* 0.25 x) 0.5) (- (log 2.0) (* 1/2 (/ (pow x 2) (pow 2.0 2)))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (fma x (+ (* 0.25 x) 0.5) (- (log 2.0) (* 1/2 (/ (pow x 2) (pow 2.0 2)))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (fma x (+ (* 0.25 x) 0.5) (- (log 2.0) (* 1/2 (/ (pow x 2) (pow 2.0 2)))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
1.200 * * * [progress]: adding candidates to table
1.359 * * [progress]: iteration 4 / 4
1.359 * * * [progress]: picking best candidate
1.371 * * * * [pick]: Picked  #<alt (λ (x y) (- (expm1 (log1p (log (+ 1.0 (exp x))))) (* x y)))>
1.371 * * * [progress]: localizing error
1.381 * * * [progress]: generating rewritten candidates
1.381 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 1 1)
1.385 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1)
1.385 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1 1)
1.389 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 1)
1.391 * * * [progress]: generating series expansions
1.391 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 1 1)
1.391 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
1.391 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.391 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.391 * [taylor]: Taking taylor expansion of (exp x) in x
1.391 * [taylor]: Taking taylor expansion of x in x
1.391 * [taylor]: Taking taylor expansion of 1.0 in x
1.392 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.392 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.392 * [taylor]: Taking taylor expansion of (exp x) in x
1.392 * [taylor]: Taking taylor expansion of x in x
1.392 * [taylor]: Taking taylor expansion of 1.0 in x
1.408 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
1.408 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.408 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.408 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.408 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.408 * [taylor]: Taking taylor expansion of x in x
1.408 * [taylor]: Taking taylor expansion of 1.0 in x
1.408 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.408 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.408 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.409 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.409 * [taylor]: Taking taylor expansion of x in x
1.409 * [taylor]: Taking taylor expansion of 1.0 in x
1.429 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
1.429 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.429 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.429 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.429 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.429 * [taylor]: Taking taylor expansion of -1 in x
1.429 * [taylor]: Taking taylor expansion of x in x
1.429 * [taylor]: Taking taylor expansion of 1.0 in x
1.429 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.429 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.429 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.429 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.429 * [taylor]: Taking taylor expansion of -1 in x
1.429 * [taylor]: Taking taylor expansion of x in x
1.430 * [taylor]: Taking taylor expansion of 1.0 in x
1.455 * * * * [progress]: [ 2 / 4 ] generating series at (2 1)
1.455 * [approximate]: Taking taylor expansion of (expm1 (log1p (log (+ (exp x) 1.0)))) in (x) around 0
1.455 * [taylor]: Taking taylor expansion of (expm1 (log1p (log (+ (exp x) 1.0)))) in x
1.455 * [taylor]: Rewrote expression to (- (exp (log1p (log (+ (exp x) 1.0)))) 1)
1.455 * [taylor]: Taking taylor expansion of (exp (log1p (log (+ (exp x) 1.0)))) in x
1.455 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp x) 1.0))) in x
1.455 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp x) 1.0))))
1.455 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp x) 1.0))) in x
1.455 * [taylor]: Taking taylor expansion of 1 in x
1.455 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.455 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.455 * [taylor]: Taking taylor expansion of (exp x) in x
1.455 * [taylor]: Taking taylor expansion of x in x
1.455 * [taylor]: Taking taylor expansion of 1.0 in x
1.459 * [taylor]: Taking taylor expansion of 1 in x
1.459 * [taylor]: Taking taylor expansion of (expm1 (log1p (log (+ (exp x) 1.0)))) in x
1.459 * [taylor]: Rewrote expression to (- (exp (log1p (log (+ (exp x) 1.0)))) 1)
1.459 * [taylor]: Taking taylor expansion of (exp (log1p (log (+ (exp x) 1.0)))) in x
1.459 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp x) 1.0))) in x
1.459 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp x) 1.0))))
1.459 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp x) 1.0))) in x
1.459 * [taylor]: Taking taylor expansion of 1 in x
1.459 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.459 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.459 * [taylor]: Taking taylor expansion of (exp x) in x
1.459 * [taylor]: Taking taylor expansion of x in x
1.459 * [taylor]: Taking taylor expansion of 1.0 in x
1.463 * [taylor]: Taking taylor expansion of 1 in x
1.569 * [approximate]: Taking taylor expansion of (expm1 (log1p (log (+ (exp (/ 1 x)) 1.0)))) in (x) around 0
1.569 * [taylor]: Taking taylor expansion of (expm1 (log1p (log (+ (exp (/ 1 x)) 1.0)))) in x
1.569 * [taylor]: Rewrote expression to (- (exp (log1p (log (+ (exp (/ 1 x)) 1.0)))) 1)
1.569 * [taylor]: Taking taylor expansion of (exp (log1p (log (+ (exp (/ 1 x)) 1.0)))) in x
1.569 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp (/ 1 x)) 1.0))) in x
1.569 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp (/ 1 x)) 1.0))))
1.569 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp (/ 1 x)) 1.0))) in x
1.569 * [taylor]: Taking taylor expansion of 1 in x
1.569 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.569 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.569 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.569 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.569 * [taylor]: Taking taylor expansion of x in x
1.570 * [taylor]: Taking taylor expansion of 1.0 in x
1.570 * [taylor]: Taking taylor expansion of 1 in x
1.570 * [taylor]: Taking taylor expansion of (expm1 (log1p (log (+ (exp (/ 1 x)) 1.0)))) in x
1.570 * [taylor]: Rewrote expression to (- (exp (log1p (log (+ (exp (/ 1 x)) 1.0)))) 1)
1.570 * [taylor]: Taking taylor expansion of (exp (log1p (log (+ (exp (/ 1 x)) 1.0)))) in x
1.570 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp (/ 1 x)) 1.0))) in x
1.570 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp (/ 1 x)) 1.0))))
1.570 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp (/ 1 x)) 1.0))) in x
1.570 * [taylor]: Taking taylor expansion of 1 in x
1.570 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.570 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.570 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.570 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.570 * [taylor]: Taking taylor expansion of x in x
1.571 * [taylor]: Taking taylor expansion of 1.0 in x
1.571 * [taylor]: Taking taylor expansion of 1 in x
1.628 * [approximate]: Taking taylor expansion of (expm1 (log1p (log (+ (exp (/ -1 x)) 1.0)))) in (x) around 0
1.628 * [taylor]: Taking taylor expansion of (expm1 (log1p (log (+ (exp (/ -1 x)) 1.0)))) in x
1.628 * [taylor]: Rewrote expression to (- (exp (log1p (log (+ (exp (/ -1 x)) 1.0)))) 1)
1.628 * [taylor]: Taking taylor expansion of (exp (log1p (log (+ (exp (/ -1 x)) 1.0)))) in x
1.628 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp (/ -1 x)) 1.0))) in x
1.629 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp (/ -1 x)) 1.0))))
1.629 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp (/ -1 x)) 1.0))) in x
1.629 * [taylor]: Taking taylor expansion of 1 in x
1.629 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.629 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.629 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.629 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.629 * [taylor]: Taking taylor expansion of -1 in x
1.629 * [taylor]: Taking taylor expansion of x in x
1.629 * [taylor]: Taking taylor expansion of 1.0 in x
1.629 * [taylor]: Taking taylor expansion of 1 in x
1.629 * [taylor]: Taking taylor expansion of (expm1 (log1p (log (+ (exp (/ -1 x)) 1.0)))) in x
1.629 * [taylor]: Rewrote expression to (- (exp (log1p (log (+ (exp (/ -1 x)) 1.0)))) 1)
1.629 * [taylor]: Taking taylor expansion of (exp (log1p (log (+ (exp (/ -1 x)) 1.0)))) in x
1.630 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp (/ -1 x)) 1.0))) in x
1.630 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp (/ -1 x)) 1.0))))
1.630 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp (/ -1 x)) 1.0))) in x
1.630 * [taylor]: Taking taylor expansion of 1 in x
1.630 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.630 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.630 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.630 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.630 * [taylor]: Taking taylor expansion of -1 in x
1.630 * [taylor]: Taking taylor expansion of x in x
1.630 * [taylor]: Taking taylor expansion of 1.0 in x
1.630 * [taylor]: Taking taylor expansion of 1 in x
1.685 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1 1)
1.685 * [approximate]: Taking taylor expansion of (+ (exp x) 1.0) in (x) around 0
1.685 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.685 * [taylor]: Taking taylor expansion of (exp x) in x
1.685 * [taylor]: Taking taylor expansion of x in x
1.685 * [taylor]: Taking taylor expansion of 1.0 in x
1.685 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.685 * [taylor]: Taking taylor expansion of (exp x) in x
1.685 * [taylor]: Taking taylor expansion of x in x
1.685 * [taylor]: Taking taylor expansion of 1.0 in x
1.688 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in (x) around 0
1.688 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.688 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.688 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.688 * [taylor]: Taking taylor expansion of x in x
1.688 * [taylor]: Taking taylor expansion of 1.0 in x
1.688 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.688 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.688 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.688 * [taylor]: Taking taylor expansion of x in x
1.689 * [taylor]: Taking taylor expansion of 1.0 in x
1.690 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in (x) around 0
1.690 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.690 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.690 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.690 * [taylor]: Taking taylor expansion of -1 in x
1.690 * [taylor]: Taking taylor expansion of x in x
1.691 * [taylor]: Taking taylor expansion of 1.0 in x
1.691 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.691 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.691 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.691 * [taylor]: Taking taylor expansion of -1 in x
1.691 * [taylor]: Taking taylor expansion of x in x
1.691 * [taylor]: Taking taylor expansion of 1.0 in x
1.693 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 1)
1.693 * [approximate]: Taking taylor expansion of (log1p (log (+ (exp x) 1.0))) in (x) around 0
1.693 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp x) 1.0))) in x
1.693 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp x) 1.0))))
1.693 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp x) 1.0))) in x
1.693 * [taylor]: Taking taylor expansion of 1 in x
1.693 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.693 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.693 * [taylor]: Taking taylor expansion of (exp x) in x
1.693 * [taylor]: Taking taylor expansion of x in x
1.693 * [taylor]: Taking taylor expansion of 1.0 in x
1.695 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp x) 1.0))) in x
1.695 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp x) 1.0))))
1.695 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp x) 1.0))) in x
1.695 * [taylor]: Taking taylor expansion of 1 in x
1.695 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.695 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.695 * [taylor]: Taking taylor expansion of (exp x) in x
1.695 * [taylor]: Taking taylor expansion of x in x
1.695 * [taylor]: Taking taylor expansion of 1.0 in x
1.761 * [approximate]: Taking taylor expansion of (log1p (log (+ (exp (/ 1 x)) 1.0))) in (x) around 0
1.761 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp (/ 1 x)) 1.0))) in x
1.761 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp (/ 1 x)) 1.0))))
1.761 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp (/ 1 x)) 1.0))) in x
1.761 * [taylor]: Taking taylor expansion of 1 in x
1.761 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.761 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.761 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.761 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.761 * [taylor]: Taking taylor expansion of x in x
1.761 * [taylor]: Taking taylor expansion of 1.0 in x
1.762 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp (/ 1 x)) 1.0))) in x
1.762 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp (/ 1 x)) 1.0))))
1.762 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp (/ 1 x)) 1.0))) in x
1.762 * [taylor]: Taking taylor expansion of 1 in x
1.762 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.762 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.762 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.762 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.762 * [taylor]: Taking taylor expansion of x in x
1.762 * [taylor]: Taking taylor expansion of 1.0 in x
1.808 * [approximate]: Taking taylor expansion of (log1p (log (+ (exp (/ -1 x)) 1.0))) in (x) around 0
1.808 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp (/ -1 x)) 1.0))) in x
1.808 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp (/ -1 x)) 1.0))))
1.808 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp (/ -1 x)) 1.0))) in x
1.809 * [taylor]: Taking taylor expansion of 1 in x
1.809 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.809 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.809 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.809 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.809 * [taylor]: Taking taylor expansion of -1 in x
1.809 * [taylor]: Taking taylor expansion of x in x
1.809 * [taylor]: Taking taylor expansion of 1.0 in x
1.809 * [taylor]: Taking taylor expansion of (log1p (log (+ (exp (/ -1 x)) 1.0))) in x
1.809 * [taylor]: Rewrote expression to (log (+ 1 (log (+ (exp (/ -1 x)) 1.0))))
1.809 * [taylor]: Taking taylor expansion of (+ 1 (log (+ (exp (/ -1 x)) 1.0))) in x
1.809 * [taylor]: Taking taylor expansion of 1 in x
1.809 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.809 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.809 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.809 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.809 * [taylor]: Taking taylor expansion of -1 in x
1.809 * [taylor]: Taking taylor expansion of x in x
1.810 * [taylor]: Taking taylor expansion of 1.0 in x
1.849 * * * [progress]: simplifying candidates
1.850 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (log (+ 1.0 (exp x))))
  (log1p (log (+ 1.0 (exp x))))
  (log (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x)))))
  (log (cbrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log 1)
  (log (+ 1.0 (exp x)))
  (log 1)
  (log (+ 1.0 (exp x)))
  (log (+ (pow 1.0 3) (pow (exp x) 3)))
  (log (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x)))))
  (log (- (* 1.0 1.0) (* (exp x) (exp x))))
  (log (- 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (log (log (+ 1.0 (exp x))))
  (exp (log (+ 1.0 (exp x))))
  (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x)))))
  (cbrt (log (+ 1.0 (exp x))))
  (* (* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x)))) (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (exp (log1p (log (+ 1.0 (exp x)))))
  (expm1 (expm1 (log1p (log (+ 1.0 (exp x))))))
  (log1p (expm1 (log1p (log (+ 1.0 (exp x))))))
  (log (expm1 (log1p (log (+ 1.0 (exp x))))))
  (exp (expm1 (log1p (log (+ 1.0 (exp x))))))
  (* (cbrt (expm1 (log1p (log (+ 1.0 (exp x)))))) (cbrt (expm1 (log1p (log (+ 1.0 (exp x)))))))
  (cbrt (expm1 (log1p (log (+ 1.0 (exp x))))))
  (* (* (expm1 (log1p (log (+ 1.0 (exp x))))) (expm1 (log1p (log (+ 1.0 (exp x)))))) (expm1 (log1p (log (+ 1.0 (exp x))))))
  (sqrt (expm1 (log1p (log (+ 1.0 (exp x))))))
  (sqrt (expm1 (log1p (log (+ 1.0 (exp x))))))
  (expm1 (+ 1.0 (exp x)))
  (log1p (+ 1.0 (exp x)))
  (* (exp 1.0) (exp (exp x)))
  (log (+ 1.0 (exp x)))
  (exp (+ 1.0 (exp x)))
  (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x))))
  (cbrt (+ 1.0 (exp x)))
  (* (* (+ 1.0 (exp x)) (+ 1.0 (exp x))) (+ 1.0 (exp x)))
  (sqrt (+ 1.0 (exp x)))
  (sqrt (+ 1.0 (exp x)))
  (+ (pow 1.0 3) (pow (exp x) 3))
  (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x))))
  (- (* 1.0 1.0) (* (exp x) (exp x)))
  (- 1.0 (exp x))
  (+ 1.0 (exp x))
  (+ 1 (log (+ 1.0 (exp x))))
  (expm1 (log1p (log (+ 1.0 (exp x)))))
  (log1p (log1p (log (+ 1.0 (exp x)))))
  (log (log1p (log (+ 1.0 (exp x)))))
  (exp (log1p (log (+ 1.0 (exp x)))))
  (* (cbrt (log1p (log (+ 1.0 (exp x))))) (cbrt (log1p (log (+ 1.0 (exp x))))))
  (cbrt (log1p (log (+ 1.0 (exp x)))))
  (* (* (log1p (log (+ 1.0 (exp x)))) (log1p (log (+ 1.0 (exp x))))) (log1p (log (+ 1.0 (exp x)))))
  (sqrt (log1p (log (+ 1.0 (exp x)))))
  (sqrt (log1p (log (+ 1.0 (exp x)))))
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (- (+ (* 0.25 (/ (pow x 2) (+ (log 2.0) 1))) (+ (* 0.25 (/ (* (log 2.0) (pow x 2)) (+ (log 2.0) 1))) (+ (log 2.0) (* 0.5 x)))) (+ (* 1/2 (/ (pow x 2) (* (+ (log 2.0) 1) (pow 2.0 2)))) (* 1/2 (/ (* (log 2.0) (pow x 2)) (* (+ (log 2.0) 1) (pow 2.0 2))))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (+ (* 1/2 (pow x 2)) (+ x 2.0))
  (+ (exp x) 1.0)
  (+ (exp x) 1.0)
  (- (+ (* 0.5 (/ x (+ (log 2.0) 1))) (+ (* 0.25 (/ (pow x 2) (+ (log 2.0) 1))) (log (+ (log 2.0) 1)))) (+ (* 0.125 (/ (pow x 2) (pow (+ (log 2.0) 1) 2))) (* 1/2 (/ (pow x 2) (* (+ (log 2.0) 1) (pow 2.0 2))))))
  (log (+ (log (+ (exp x) 1.0)) 1))
  (log (+ (log (+ (exp x) 1.0)) 1))
1.855 * * [simplify]: iteration  0 :  251  enodes  (cost  370 )
1.859 * * [simplify]: iteration  1 :  777  enodes  (cost  332 )
1.871 * * [simplify]: iteration  2 :  2932  enodes  (cost  322 )
1.932 * * [simplify]: iteration  3 :  5001  enodes  (cost  321 )
1.935 * [simplify]: Simplified to:
   (expm1 (log (+ 1.0 (exp x))))
  (log1p (log (+ 1.0 (exp x))))
  (* 2 (log (cbrt (+ 1.0 (exp x)))))
  (log (cbrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  0
  (log (+ 1.0 (exp x)))
  0
  (log (+ 1.0 (exp x)))
  (log (+ (pow 1.0 3) (pow (exp x) 3)))
  (log (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x)))))
  (log (- (* 1.0 1.0) (* (exp x) (exp x))))
  (log (- 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (log (log (+ 1.0 (exp x))))
  (+ 1.0 (exp x))
  (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x)))))
  (cbrt (log (+ 1.0 (exp x))))
  (pow (log (+ 1.0 (exp x))) 3)
  (sqrt (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (+ (log (+ (exp x) 1.0)) 1)
  (expm1 (log (+ 1.0 (exp x))))
  (log1p (log (+ 1.0 (exp x))))
  (log (log (+ 1.0 (exp x))))
  (+ 1.0 (exp x))
  (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x)))))
  (cbrt (log (+ 1.0 (exp x))))
  (pow (log (+ 1.0 (exp x))) 3)
  (sqrt (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (expm1 (+ 1.0 (exp x)))
  (log1p (+ 1.0 (exp x)))
  (exp (+ 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (exp (+ 1.0 (exp x)))
  (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x))))
  (cbrt (+ 1.0 (exp x)))
  (pow (+ 1.0 (exp x)) 3)
  (sqrt (+ 1.0 (exp x)))
  (sqrt (+ 1.0 (exp x)))
  (+ (pow 1.0 3) (pow (exp x) 3))
  (fma (exp x) (- (exp x) 1.0) (* 1.0 1.0))
  (- (* 1.0 1.0) (* (exp x) (exp x)))
  (- 1.0 (exp x))
  (+ 1.0 (exp x))
  (+ (log (+ (exp x) 1.0)) 1)
  (log (+ 1.0 (exp x)))
  (log1p (log1p (log (+ 1.0 (exp x)))))
  (log (log1p (log (+ 1.0 (exp x)))))
  (+ (log (+ (exp x) 1.0)) 1)
  (* (cbrt (log1p (log (+ 1.0 (exp x))))) (cbrt (log1p (log (+ 1.0 (exp x))))))
  (cbrt (log1p (log (+ 1.0 (exp x)))))
  (pow (log1p (log (+ 1.0 (exp x)))) 3)
  (sqrt (log1p (log (+ 1.0 (exp x)))))
  (sqrt (log1p (log (+ 1.0 (exp x)))))
  (fma (- 1/2) (/ (pow x 2) (pow 2.0 2)) (fma (pow x 2) 0.25 (fma x 0.5 (log 2.0))))
  (log (+ 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (+ (- (* (/ (pow x 2) (+ (log 2.0) 1)) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 1/2 (/ (* (log 2.0) (pow x 2)) (* (+ (log 2.0) 1) (pow 2.0 2))))) (fma (/ (* (log 2.0) (pow x 2)) (+ (log 2.0) 1)) 0.25 (fma x 0.5 (log 2.0))))
  (log (+ 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (fma 1/2 (pow x 2) (+ x 2.0))
  (+ 1.0 (exp x))
  (+ 1.0 (exp x))
  (fma (/ 0.5 (+ (log 2.0) 1)) x (+ (- (* (/ (pow x 2) (+ (log 2.0) 1)) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.125 (/ (pow x 2) (pow (+ (log 2.0) 1) 2)))) (log1p (log 2.0))))
  (log1p (log (+ 1.0 (exp x))))
  (log1p (log (+ 1.0 (exp x))))
1.935 * * * [progress]: adding candidates to table
2.073 * [progress]: [Phase 3 of 3] Extracting.
2.073 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (log (fma x (fma 1/2 x 1) 2.0)) (* x y)))> #<alt (λ (x y) (- (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))) (* x y)))> #<alt (λ (x y) (- (expm1 (log1p (log (+ 1.0 (exp x))))) (* x y)))> #<alt (λ (x y) (- (cbrt (+ (fma (* 1.5 (pow (log 2.0) 2)) x (pow (log 2.0) 3)) (- (* (* 0.75 (pow x 2)) (+ (log 2.0) (pow (log 2.0) 2))) (* 3/2 (/ (* (pow (log 2.0) 2) (pow x 2)) (pow 2.0 2)))))) (* x y)))>)
2.074 * * * [regime-changes]: Trying 2 branch expressions: (y x)
2.074 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (log (fma x (fma 1/2 x 1) 2.0)) (* x y)))> #<alt (λ (x y) (- (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))) (* x y)))> #<alt (λ (x y) (- (expm1 (log1p (log (+ 1.0 (exp x))))) (* x y)))> #<alt (λ (x y) (- (cbrt (+ (fma (* 1.5 (pow (log 2.0) 2)) x (pow (log 2.0) 3)) (- (* (* 0.75 (pow x 2)) (+ (log 2.0) (pow (log 2.0) 2))) (* 3/2 (/ (* (pow (log 2.0) 2) (pow x 2)) (pow 2.0 2)))))) (* x y)))>)
2.097 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (log (fma x (fma 1/2 x 1) 2.0)) (* x y)))> #<alt (λ (x y) (- (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))) (* x y)))> #<alt (λ (x y) (- (expm1 (log1p (log (+ 1.0 (exp x))))) (* x y)))> #<alt (λ (x y) (- (cbrt (+ (fma (* 1.5 (pow (log 2.0) 2)) x (pow (log 2.0) 3)) (- (* (* 0.75 (pow x 2)) (+ (log 2.0) (pow (log 2.0) 2))) (* 3/2 (/ (* (pow (log 2.0) 2) (pow x 2)) (pow 2.0 2)))))) (* x y)))>)
2.116 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.116 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))) (* x y))
2.117 * * [simplify]: iteration  0 :  15  enodes  (cost  11 )
2.117 * * [simplify]: iteration  1 :  15  enodes  (cost  11 )
2.117 * [simplify]: Simplified to:
   (- (cbrt (* (pow (log (+ (exp x) 1.0)) 2) (log (+ (exp x) 1.0)))) (* x y))
4.055 * [regime-testing]: Baseline error score: 0.6039273574192277
4.056 * [regime-testing]: Oracle error score: 0.32736414972140665
4.057 * [regime-testing]: End program error score: 0.6039273574192277
4.103 * [regime-testing]: Target error score: 0.06553435056025285