13.561 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.069 * * * [progress]: [2/2] Setting up program.
0.071 * [progress]: [Phase 2 of 3] Improving.
0.071 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ 1.0 (exp x))) (* x y))
0.074 * * [simplify]: iteration  0 :  12  enodes  (cost  5 )
0.075 * * [simplify]: iteration  1 :  19  enodes  (cost  5 )
0.076 * * [simplify]: iteration  2 :  23  enodes  (cost  5 )
0.077 * * [simplify]: iteration  3 :  23  enodes  (cost  5 )
0.077 * [simplify]: Simplified to:
   (- (log (+ 1.0 (exp x))) (* x y))
0.078 * * [progress]: iteration 1 / 4
0.078 * * * [progress]: picking best candidate
0.079 * * * * [pick]: Picked  #<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))>
0.079 * * * [progress]: localizing error
0.087 * * * [progress]: generating rewritten candidates
0.087 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
0.090 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.094 * * * [progress]: generating series expansions
0.094 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
0.094 * [approximate]: Taking taylor expansion of (+ (exp x) 1.0) in (x) around 0
0.094 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.094 * [taylor]: Taking taylor expansion of (exp x) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [taylor]: Taking taylor expansion of 1.0 in x
0.094 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.094 * [taylor]: Taking taylor expansion of (exp x) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [taylor]: Taking taylor expansion of 1.0 in x
0.097 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in (x) around 0
0.097 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.097 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.097 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [taylor]: Taking taylor expansion of 1.0 in x
0.097 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.097 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.097 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of 1.0 in x
0.099 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in (x) around 0
0.099 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.099 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.099 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.099 * [taylor]: Taking taylor expansion of -1 in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of 1.0 in x
0.100 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.100 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.100 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.100 * [taylor]: Taking taylor expansion of -1 in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of 1.0 in x
0.102 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.102 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
0.102 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.102 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.102 * [taylor]: Taking taylor expansion of (exp x) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of 1.0 in x
0.103 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
0.103 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.103 * [taylor]: Taking taylor expansion of (exp x) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [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
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
0.120 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.120 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.140 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
0.140 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.140 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.140 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.140 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.140 * [taylor]: Taking taylor expansion of -1 in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of 1.0 in x
0.141 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
0.141 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.141 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.141 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.141 * [taylor]: Taking taylor expansion of -1 in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of 1.0 in x
0.166 * * * [progress]: simplifying candidates
0.166 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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))
  (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))))
  (+ (* 1/2 (pow x 2)) (+ x 2.0))
  (+ (exp x) 1.0)
  (+ (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))
0.170 * * [simplify]: iteration  0 :  137  enodes  (cost  181 )
0.172 * * [simplify]: iteration  1 :  364  enodes  (cost  163 )
0.178 * * [simplify]: iteration  2 :  1024  enodes  (cost  163 )
0.194 * * [simplify]: iteration  3 :  3614  enodes  (cost  161 )
0.264 * * [simplify]: iteration  4 :  5001  enodes  (cost  159 )
0.265 * [simplify]: Simplified to:
   (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))
  (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))))
  (fma x (fma 1/2 x 1) 2.0)
  (+ 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))
0.266 * * * [progress]: adding candidates to table
0.338 * * [progress]: iteration 2 / 4
0.338 * * * [progress]: picking best candidate
0.340 * * * * [pick]: Picked  #<alt (λ (x y) (- (log (expm1 (log1p (+ 1.0 (exp x))))) (* x y)))>
0.340 * * * [progress]: localizing error
0.352 * * * [progress]: generating rewritten candidates
0.352 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1)
0.354 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 1 1)
0.354 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1)
0.355 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 1 1 1)
0.359 * * * [progress]: generating series expansions
0.359 * * * * [progress]: [ 1 / 4 ] generating series at (2 1)
0.359 * [approximate]: Taking taylor expansion of (log (expm1 (log1p (+ (exp x) 1.0)))) in (x) around 0
0.359 * [taylor]: Taking taylor expansion of (log (expm1 (log1p (+ (exp x) 1.0)))) in x
0.359 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp x) 1.0))) in x
0.359 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp x) 1.0))) 1)
0.359 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp x) 1.0))) in x
0.359 * [taylor]: Taking taylor expansion of (log1p (+ (exp x) 1.0)) in x
0.359 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp x) 1.0)))
0.360 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp x) 1.0)) in x
0.360 * [taylor]: Taking taylor expansion of 1 in x
0.360 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.360 * [taylor]: Taking taylor expansion of (exp x) in x
0.360 * [taylor]: Taking taylor expansion of x in x
0.360 * [taylor]: Taking taylor expansion of 1.0 in x
0.361 * [taylor]: Taking taylor expansion of 1 in x
0.362 * [taylor]: Taking taylor expansion of (log (expm1 (log1p (+ (exp x) 1.0)))) in x
0.362 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp x) 1.0))) in x
0.362 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp x) 1.0))) 1)
0.362 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp x) 1.0))) in x
0.362 * [taylor]: Taking taylor expansion of (log1p (+ (exp x) 1.0)) in x
0.362 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp x) 1.0)))
0.362 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp x) 1.0)) in x
0.362 * [taylor]: Taking taylor expansion of 1 in x
0.362 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.362 * [taylor]: Taking taylor expansion of (exp x) in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.362 * [taylor]: Taking taylor expansion of 1.0 in x
0.364 * [taylor]: Taking taylor expansion of 1 in x
0.423 * [approximate]: Taking taylor expansion of (log (expm1 (log1p (+ (exp (/ 1 x)) 1.0)))) in (x) around 0
0.423 * [taylor]: Taking taylor expansion of (log (expm1 (log1p (+ (exp (/ 1 x)) 1.0)))) in x
0.423 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ 1 x)) 1.0))) in x
0.423 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp (/ 1 x)) 1.0))) 1)
0.423 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp (/ 1 x)) 1.0))) in x
0.423 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ 1 x)) 1.0)) in x
0.424 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ 1 x)) 1.0)))
0.424 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ 1 x)) 1.0)) in x
0.424 * [taylor]: Taking taylor expansion of 1 in x
0.424 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.424 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.424 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.424 * [taylor]: Taking taylor expansion of x in x
0.424 * [taylor]: Taking taylor expansion of 1.0 in x
0.424 * [taylor]: Taking taylor expansion of 1 in x
0.425 * [taylor]: Taking taylor expansion of (log (expm1 (log1p (+ (exp (/ 1 x)) 1.0)))) in x
0.425 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ 1 x)) 1.0))) in x
0.425 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp (/ 1 x)) 1.0))) 1)
0.425 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp (/ 1 x)) 1.0))) in x
0.425 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ 1 x)) 1.0)) in x
0.425 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ 1 x)) 1.0)))
0.425 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ 1 x)) 1.0)) in x
0.425 * [taylor]: Taking taylor expansion of 1 in x
0.425 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.425 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.425 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.425 * [taylor]: Taking taylor expansion of x in x
0.425 * [taylor]: Taking taylor expansion of 1.0 in x
0.426 * [taylor]: Taking taylor expansion of 1 in x
0.482 * [approximate]: Taking taylor expansion of (log (expm1 (log1p (+ (exp (/ -1 x)) 1.0)))) in (x) around 0
0.482 * [taylor]: Taking taylor expansion of (log (expm1 (log1p (+ (exp (/ -1 x)) 1.0)))) in x
0.482 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ -1 x)) 1.0))) in x
0.482 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp (/ -1 x)) 1.0))) 1)
0.482 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp (/ -1 x)) 1.0))) in x
0.482 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ -1 x)) 1.0)) in x
0.482 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ -1 x)) 1.0)))
0.482 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ -1 x)) 1.0)) in x
0.482 * [taylor]: Taking taylor expansion of 1 in x
0.482 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.482 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.482 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.482 * [taylor]: Taking taylor expansion of -1 in x
0.482 * [taylor]: Taking taylor expansion of x in x
0.482 * [taylor]: Taking taylor expansion of 1.0 in x
0.483 * [taylor]: Taking taylor expansion of 1 in x
0.483 * [taylor]: Taking taylor expansion of (log (expm1 (log1p (+ (exp (/ -1 x)) 1.0)))) in x
0.483 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ -1 x)) 1.0))) in x
0.483 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp (/ -1 x)) 1.0))) 1)
0.483 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp (/ -1 x)) 1.0))) in x
0.483 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ -1 x)) 1.0)) in x
0.483 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ -1 x)) 1.0)))
0.483 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ -1 x)) 1.0)) in x
0.483 * [taylor]: Taking taylor expansion of 1 in x
0.483 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.483 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.483 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.483 * [taylor]: Taking taylor expansion of -1 in x
0.483 * [taylor]: Taking taylor expansion of x in x
0.484 * [taylor]: Taking taylor expansion of 1.0 in x
0.484 * [taylor]: Taking taylor expansion of 1 in x
0.536 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 1 1)
0.536 * [approximate]: Taking taylor expansion of (log1p (+ (exp x) 1.0)) in (x) around 0
0.536 * [taylor]: Taking taylor expansion of (log1p (+ (exp x) 1.0)) in x
0.536 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp x) 1.0)))
0.536 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp x) 1.0)) in x
0.536 * [taylor]: Taking taylor expansion of 1 in x
0.536 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.536 * [taylor]: Taking taylor expansion of (exp x) in x
0.536 * [taylor]: Taking taylor expansion of x in x
0.536 * [taylor]: Taking taylor expansion of 1.0 in x
0.537 * [taylor]: Taking taylor expansion of (log1p (+ (exp x) 1.0)) in x
0.537 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp x) 1.0)))
0.537 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp x) 1.0)) in x
0.537 * [taylor]: Taking taylor expansion of 1 in x
0.537 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.537 * [taylor]: Taking taylor expansion of (exp x) in x
0.537 * [taylor]: Taking taylor expansion of x in x
0.537 * [taylor]: Taking taylor expansion of 1.0 in x
0.558 * [approximate]: Taking taylor expansion of (log1p (+ (exp (/ 1 x)) 1.0)) in (x) around 0
0.558 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ 1 x)) 1.0)) in x
0.559 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ 1 x)) 1.0)))
0.559 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ 1 x)) 1.0)) in x
0.559 * [taylor]: Taking taylor expansion of 1 in x
0.559 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.559 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.559 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.559 * [taylor]: Taking taylor expansion of x in x
0.559 * [taylor]: Taking taylor expansion of 1.0 in x
0.559 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ 1 x)) 1.0)) in x
0.560 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ 1 x)) 1.0)))
0.560 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ 1 x)) 1.0)) in x
0.560 * [taylor]: Taking taylor expansion of 1 in x
0.560 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.560 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.560 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.560 * [taylor]: Taking taylor expansion of x in x
0.560 * [taylor]: Taking taylor expansion of 1.0 in x
0.592 * [approximate]: Taking taylor expansion of (log1p (+ (exp (/ -1 x)) 1.0)) in (x) around 0
0.592 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ -1 x)) 1.0)) in x
0.592 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ -1 x)) 1.0)))
0.592 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ -1 x)) 1.0)) in x
0.592 * [taylor]: Taking taylor expansion of 1 in x
0.592 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.592 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.592 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.593 * [taylor]: Taking taylor expansion of -1 in x
0.593 * [taylor]: Taking taylor expansion of x in x
0.593 * [taylor]: Taking taylor expansion of 1.0 in x
0.593 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ -1 x)) 1.0)) in x
0.593 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ -1 x)) 1.0)))
0.593 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ -1 x)) 1.0)) in x
0.593 * [taylor]: Taking taylor expansion of 1 in x
0.593 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.593 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.593 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.593 * [taylor]: Taking taylor expansion of -1 in x
0.593 * [taylor]: Taking taylor expansion of x in x
0.594 * [taylor]: Taking taylor expansion of 1.0 in x
0.615 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1)
0.615 * [approximate]: Taking taylor expansion of (expm1 (log1p (+ (exp x) 1.0))) in (x) around 0
0.615 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp x) 1.0))) in x
0.615 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp x) 1.0))) 1)
0.615 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp x) 1.0))) in x
0.615 * [taylor]: Taking taylor expansion of (log1p (+ (exp x) 1.0)) in x
0.615 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp x) 1.0)))
0.615 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp x) 1.0)) in x
0.615 * [taylor]: Taking taylor expansion of 1 in x
0.615 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.615 * [taylor]: Taking taylor expansion of (exp x) in x
0.615 * [taylor]: Taking taylor expansion of x in x
0.615 * [taylor]: Taking taylor expansion of 1.0 in x
0.617 * [taylor]: Taking taylor expansion of 1 in x
0.617 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp x) 1.0))) in x
0.617 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp x) 1.0))) 1)
0.617 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp x) 1.0))) in x
0.617 * [taylor]: Taking taylor expansion of (log1p (+ (exp x) 1.0)) in x
0.617 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp x) 1.0)))
0.617 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp x) 1.0)) in x
0.617 * [taylor]: Taking taylor expansion of 1 in x
0.617 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.617 * [taylor]: Taking taylor expansion of (exp x) in x
0.617 * [taylor]: Taking taylor expansion of x in x
0.617 * [taylor]: Taking taylor expansion of 1.0 in x
0.618 * [taylor]: Taking taylor expansion of 1 in x
0.650 * [approximate]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ 1 x)) 1.0))) in (x) around 0
0.650 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ 1 x)) 1.0))) in x
0.650 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp (/ 1 x)) 1.0))) 1)
0.650 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp (/ 1 x)) 1.0))) in x
0.650 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ 1 x)) 1.0)) in x
0.650 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ 1 x)) 1.0)))
0.650 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ 1 x)) 1.0)) in x
0.650 * [taylor]: Taking taylor expansion of 1 in x
0.650 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.650 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.650 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.650 * [taylor]: Taking taylor expansion of x in x
0.651 * [taylor]: Taking taylor expansion of 1.0 in x
0.651 * [taylor]: Taking taylor expansion of 1 in x
0.651 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ 1 x)) 1.0))) in x
0.651 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp (/ 1 x)) 1.0))) 1)
0.651 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp (/ 1 x)) 1.0))) in x
0.651 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ 1 x)) 1.0)) in x
0.651 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ 1 x)) 1.0)))
0.651 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ 1 x)) 1.0)) in x
0.651 * [taylor]: Taking taylor expansion of 1 in x
0.651 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.651 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.651 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.651 * [taylor]: Taking taylor expansion of x in x
0.652 * [taylor]: Taking taylor expansion of 1.0 in x
0.652 * [taylor]: Taking taylor expansion of 1 in x
0.694 * [approximate]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ -1 x)) 1.0))) in (x) around 0
0.694 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ -1 x)) 1.0))) in x
0.694 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp (/ -1 x)) 1.0))) 1)
0.694 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp (/ -1 x)) 1.0))) in x
0.694 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ -1 x)) 1.0)) in x
0.695 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ -1 x)) 1.0)))
0.695 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ -1 x)) 1.0)) in x
0.695 * [taylor]: Taking taylor expansion of 1 in x
0.695 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.695 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.695 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.695 * [taylor]: Taking taylor expansion of -1 in x
0.695 * [taylor]: Taking taylor expansion of x in x
0.695 * [taylor]: Taking taylor expansion of 1.0 in x
0.695 * [taylor]: Taking taylor expansion of 1 in x
0.695 * [taylor]: Taking taylor expansion of (expm1 (log1p (+ (exp (/ -1 x)) 1.0))) in x
0.695 * [taylor]: Rewrote expression to (- (exp (log1p (+ (exp (/ -1 x)) 1.0))) 1)
0.695 * [taylor]: Taking taylor expansion of (exp (log1p (+ (exp (/ -1 x)) 1.0))) in x
0.695 * [taylor]: Taking taylor expansion of (log1p (+ (exp (/ -1 x)) 1.0)) in x
0.695 * [taylor]: Rewrote expression to (log (+ 1 (+ (exp (/ -1 x)) 1.0)))
0.695 * [taylor]: Taking taylor expansion of (+ 1 (+ (exp (/ -1 x)) 1.0)) in x
0.695 * [taylor]: Taking taylor expansion of 1 in x
0.695 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.695 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.696 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.696 * [taylor]: Taking taylor expansion of -1 in x
0.696 * [taylor]: Taking taylor expansion of x in x
0.696 * [taylor]: Taking taylor expansion of 1.0 in x
0.696 * [taylor]: Taking taylor expansion of 1 in x
0.729 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 1 1 1)
0.729 * [approximate]: Taking taylor expansion of (+ (exp x) 1.0) in (x) around 0
0.729 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.729 * [taylor]: Taking taylor expansion of (exp x) in x
0.729 * [taylor]: Taking taylor expansion of x in x
0.729 * [taylor]: Taking taylor expansion of 1.0 in x
0.729 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
0.729 * [taylor]: Taking taylor expansion of (exp x) in x
0.729 * [taylor]: Taking taylor expansion of x in x
0.729 * [taylor]: Taking taylor expansion of 1.0 in x
0.732 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in (x) around 0
0.732 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.732 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.732 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.732 * [taylor]: Taking taylor expansion of x in x
0.732 * [taylor]: Taking taylor expansion of 1.0 in x
0.732 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
0.732 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.732 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.732 * [taylor]: Taking taylor expansion of x in x
0.733 * [taylor]: Taking taylor expansion of 1.0 in x
0.734 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in (x) around 0
0.734 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.734 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.734 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.734 * [taylor]: Taking taylor expansion of -1 in x
0.734 * [taylor]: Taking taylor expansion of x in x
0.735 * [taylor]: Taking taylor expansion of 1.0 in x
0.735 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
0.735 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.735 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.735 * [taylor]: Taking taylor expansion of -1 in x
0.735 * [taylor]: Taking taylor expansion of x in x
0.735 * [taylor]: Taking taylor expansion of 1.0 in x
0.737 * * * [progress]: simplifying candidates
0.738 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (log (expm1 (log1p (+ 1.0 (exp x))))))
  (log1p (log (expm1 (log1p (+ 1.0 (exp x))))))
  (log (* (cbrt (expm1 (log1p (+ 1.0 (exp x))))) (cbrt (expm1 (log1p (+ 1.0 (exp x)))))))
  (log (cbrt (expm1 (log1p (+ 1.0 (exp x))))))
  (log (sqrt (expm1 (log1p (+ 1.0 (exp x))))))
  (log (sqrt (expm1 (log1p (+ 1.0 (exp x))))))
  (log 1)
  (log (expm1 (log1p (+ 1.0 (exp x)))))
  (log (expm1 (log1p (+ 1.0 (exp x)))))
  (log (log (expm1 (log1p (+ 1.0 (exp x))))))
  (exp (log (expm1 (log1p (+ 1.0 (exp x))))))
  (* (cbrt (log (expm1 (log1p (+ 1.0 (exp x)))))) (cbrt (log (expm1 (log1p (+ 1.0 (exp x)))))))
  (cbrt (log (expm1 (log1p (+ 1.0 (exp x))))))
  (* (* (log (expm1 (log1p (+ 1.0 (exp x))))) (log (expm1 (log1p (+ 1.0 (exp x)))))) (log (expm1 (log1p (+ 1.0 (exp x))))))
  (sqrt (log (expm1 (log1p (+ 1.0 (exp x))))))
  (sqrt (log (expm1 (log1p (+ 1.0 (exp x))))))
  (+ 1 (+ 1.0 (exp x)))
  (expm1 (log1p (+ 1.0 (exp x))))
  (log1p (log1p (+ 1.0 (exp x))))
  (log (log1p (+ 1.0 (exp x))))
  (exp (log1p (+ 1.0 (exp x))))
  (* (cbrt (log1p (+ 1.0 (exp x)))) (cbrt (log1p (+ 1.0 (exp x)))))
  (cbrt (log1p (+ 1.0 (exp x))))
  (* (* (log1p (+ 1.0 (exp x))) (log1p (+ 1.0 (exp x)))) (log1p (+ 1.0 (exp x))))
  (sqrt (log1p (+ 1.0 (exp x))))
  (sqrt (log1p (+ 1.0 (exp x))))
  (exp (log1p (+ 1.0 (exp x))))
  (expm1 (expm1 (log1p (+ 1.0 (exp x)))))
  (log1p (expm1 (log1p (+ 1.0 (exp x)))))
  (log (expm1 (log1p (+ 1.0 (exp x)))))
  (exp (expm1 (log1p (+ 1.0 (exp x)))))
  (* (cbrt (expm1 (log1p (+ 1.0 (exp x))))) (cbrt (expm1 (log1p (+ 1.0 (exp x))))))
  (cbrt (expm1 (log1p (+ 1.0 (exp x)))))
  (* (* (expm1 (log1p (+ 1.0 (exp x)))) (expm1 (log1p (+ 1.0 (exp x))))) (expm1 (log1p (+ 1.0 (exp x)))))
  (sqrt (expm1 (log1p (+ 1.0 (exp x)))))
  (sqrt (expm1 (log1p (+ 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))
  (- (+ (* 0.3333333333333333 (pow x 2)) (+ (* 0.5 x) (log 2.0))) (+ (* 0.75 (/ (pow x 2) (pow 3.0 2))) (* 0.5 (/ (pow x 2) (pow 2.0 2)))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
  (- (+ (* 0.16666666666666666 (pow x 2)) (+ (* 0.3333333333333333 x) (log 3.0))) (* 1/2 (/ (pow x 2) (pow 3.0 2))))
  (log (+ (exp x) 2.0))
  (log (+ (exp x) 2.0))
  (- (+ (* 0.6666666666666666 (pow x 2)) (+ (* 1.0 x) 2.0)) (* 1.5 (/ (pow x 2) (pow 3.0 2))))
  (+ (exp x) 1.0)
  (+ (exp x) 1.0)
  (+ (* 1/2 (pow x 2)) (+ x 2.0))
  (+ (exp x) 1.0)
  (+ (exp x) 1.0)
0.742 * * [simplify]: iteration  0 :  223  enodes  (cost  308 )
0.746 * * [simplify]: iteration  1 :  629  enodes  (cost  266 )
0.755 * * [simplify]: iteration  2 :  1829  enodes  (cost  264 )
0.782 * * [simplify]: iteration  3 :  5001  enodes  (cost  264 )
0.784 * [simplify]: Simplified to:
   (expm1 (log (expm1 (log1p (+ 1.0 (exp x))))))
  (log1p (log (expm1 (log1p (+ 1.0 (exp x))))))
  (* 2 (log (cbrt (+ 1.0 (exp x)))))
  (log (cbrt (+ 1.0 (exp x))))
  (log (sqrt (expm1 (log1p (+ 1.0 (exp x))))))
  (log (sqrt (expm1 (log1p (+ 1.0 (exp x))))))
  0
  (log (+ 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (log (log (expm1 (log1p (+ 1.0 (exp x))))))
  (+ 1.0 (exp x))
  (* (cbrt (log (expm1 (log1p (+ 1.0 (exp x)))))) (cbrt (log (expm1 (log1p (+ 1.0 (exp x)))))))
  (cbrt (log (expm1 (log1p (+ 1.0 (exp x))))))
  (pow (log (+ 1.0 (exp x))) 3)
  (sqrt (log (expm1 (log1p (+ 1.0 (exp x))))))
  (sqrt (log (expm1 (log1p (+ 1.0 (exp x))))))
  (+ 1 (+ 1.0 (exp x)))
  (+ 1.0 (exp x))
  (log1p (log1p (+ 1.0 (exp x))))
  (log (log1p (+ 1.0 (exp x))))
  (exp (log1p (+ 1.0 (exp x))))
  (* (cbrt (log1p (+ 1.0 (exp x)))) (cbrt (log1p (+ 1.0 (exp x)))))
  (cbrt (log1p (+ 1.0 (exp x))))
  (pow (log1p (+ 1.0 (exp x))) 3)
  (sqrt (log1p (+ 1.0 (exp x))))
  (sqrt (log1p (+ 1.0 (exp x))))
  (exp (log1p (+ 1.0 (exp x))))
  (expm1 (+ 1.0 (exp x)))
  (log1p (+ 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)))
  (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))
  (fma (pow x 2) 0.3333333333333333 (- (fma 0.5 x (log 2.0)) (fma 0.75 (/ (pow x 2) (pow 3.0 2)) (* 0.5 (/ (pow x 2) (pow 2.0 2))))))
  (log (+ 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (fma (pow x 2) 0.16666666666666666 (- (fma 0.3333333333333333 x (log 3.0)) (* 1/2 (/ (pow x 2) (pow 3.0 2)))))
  (log (+ (exp x) 2.0))
  (log (+ (exp x) 2.0))
  (fma (pow x 2) 0.6666666666666666 (- (fma 1.0 x 2.0) (* 1.5 (/ (pow x 2) (pow 3.0 2)))))
  (+ 1.0 (exp x))
  (+ 1.0 (exp x))
  (fma 1/2 (pow x 2) (+ x 2.0))
  (+ 1.0 (exp x))
  (+ 1.0 (exp x))
0.785 * * * [progress]: adding candidates to table
0.933 * [progress]: [Phase 3 of 3] Extracting.
0.933 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))> #<alt (λ (x y) (- (log (expm1 (log1p (+ 1.0 (exp x))))) (* x y)))>)
0.934 * * * [regime-changes]: Trying 3 branch expressions: ((- (log (+ 1.0 (exp x))) (* x y)) y x)
0.934 * * * * [regimes]: Trying to branch on (- (log (+ 1.0 (exp x))) (* x y)) from (#<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))> #<alt (λ (x y) (- (log (expm1 (log1p (+ 1.0 (exp x))))) (* x y)))>)
0.952 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))> #<alt (λ (x y) (- (log (expm1 (log1p (+ 1.0 (exp x))))) (* x y)))>)
0.965 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))> #<alt (λ (x y) (- (log (expm1 (log1p (+ 1.0 (exp x))))) (* x y)))>)
0.980 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.980 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ 1.0 (exp x))) (* x y))
0.980 * * [simplify]: iteration  0 :  10  enodes  (cost  5 )
0.981 * * [simplify]: iteration  1 :  10  enodes  (cost  5 )
0.981 * [simplify]: Simplified to:
   (- (log (+ 1.0 (exp x))) (* x y))
2.784 * [regime-testing]: Baseline error score: 0.4681587295910439
2.785 * [regime-testing]: Oracle error score: 0.46790869833713716
2.786 * [regime-testing]: End program error score: 0.4681587295910439
2.837 * [regime-testing]: Target error score: 0.035385271971070956