12.569 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.060 * * * [progress]: [2/2] Setting up program.
0.061 * [progress]: [Phase 2 of 3] Improving.
0.061 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ 1.0 x))
0.064 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.065 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.065 * [simplify]: Simplified to:
   (log (+ 1.0 x))
0.065 * * [progress]: iteration 1 / 4
0.066 * * * [progress]: picking best candidate
0.067 * * * * [pick]: Picked  #<alt (λ (x) (log (+ 1.0 x)))>
0.067 * * * [progress]: localizing error
0.073 * * * [progress]: generating rewritten candidates
0.073 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.077 * * * [progress]: generating series expansions
0.077 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.077 * [approximate]: Taking taylor expansion of (log (+ x 1.0)) in (x) around 0
0.077 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.077 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [taylor]: Taking taylor expansion of 1.0 in x
0.078 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.078 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of 1.0 in x
0.090 * [approximate]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in (x) around 0
0.090 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.090 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of 1.0 in x
0.091 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.091 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of 1.0 in x
0.103 * [approximate]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in (x) around 0
0.103 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.103 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.103 * [taylor]: Taking taylor expansion of 1.0 in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.104 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.104 * [taylor]: Taking taylor expansion of 1.0 in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.119 * * * [progress]: simplifying candidates
0.119 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (log (+ 1.0 x)))
  (log1p (log (+ 1.0 x)))
  (log (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (log (cbrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log 1)
  (log (+ 1.0 x))
  (log 1)
  (log (+ 1.0 x))
  (log (+ (pow 1.0 3) (pow x 3)))
  (log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (log (- (* 1.0 1.0) (* x x)))
  (log (- 1.0 x))
  (log (+ 1.0 x))
  (log (log (+ 1.0 x)))
  (exp (log (+ 1.0 x)))
  (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x))))
  (cbrt (log (+ 1.0 x)))
  (* (* (log (+ 1.0 x)) (log (+ 1.0 x))) (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
  (- (* 1.0 (/ 1 x)) (+ (* 0.5 (/ 1 (pow x 2))) (log (/ 1 x))))
  (- (+ (log -1) (* 1.0 (/ 1 x))) (+ (* 0.5 (/ 1 (pow x 2))) (log (/ -1 x))))
0.122 * * [simplify]: iteration  0 :  131  enodes  (cost  99 )
0.125 * * [simplify]: iteration  1 :  363  enodes  (cost  89 )
0.131 * * [simplify]: iteration  2 :  1292  enodes  (cost  86 )
0.159 * * [simplify]: iteration  3 :  5002  enodes  (cost  81 )
0.160 * [simplify]: Simplified to:
   (expm1 (log (+ 1.0 x)))
  (log1p (log (+ 1.0 x)))
  (* 2 (log (cbrt (+ 1.0 x))))
  (log (cbrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  0
  (log (+ 1.0 x))
  0
  (log (+ 1.0 x))
  (log (+ (pow 1.0 3) (pow x 3)))
  (log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (log (- (* 1.0 1.0) (* x x)))
  (log (- 1.0 x))
  (log (+ 1.0 x))
  (log (log (+ 1.0 x)))
  (+ 1.0 x)
  (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x))))
  (cbrt (log (+ 1.0 x)))
  (pow (log (+ 1.0 x)) 3)
  (sqrt (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
  (fma (/ 1 x) (- 1.0 (/ 0.5 x)) (log x))
  (fma (/ 1 x) (- 1.0 (/ 0.5 x)) (log x))
0.160 * * * [progress]: adding candidates to table
0.195 * * [progress]: iteration 2 / 4
0.195 * * * [progress]: picking best candidate
0.202 * * * * [pick]: Picked  #<alt (λ (x) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))>
0.202 * * * [progress]: localizing error
0.212 * * * [progress]: generating rewritten candidates
0.212 * * * [progress]: generating series expansions
0.212 * * * [progress]: simplifying candidates
0.212 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.214 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.214 * [simplify]: Simplified to:
   
0.214 * * * [progress]: adding candidates to table
0.214 * * [progress]: iteration 3 / 4
0.214 * * * [progress]: picking best candidate
0.219 * * * * [pick]: Picked  #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (log (sqrt (+ 1.0 x)))))>
0.219 * * * [progress]: localizing error
0.225 * * * [progress]: generating rewritten candidates
0.225 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.229 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.233 * * * [progress]: generating series expansions
0.234 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.234 * [approximate]: Taking taylor expansion of (log (sqrt (+ x 1.0))) in (x) around 0
0.234 * [taylor]: Taking taylor expansion of (log (sqrt (+ x 1.0))) in x
0.234 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.234 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of 1.0 in x
0.236 * [taylor]: Taking taylor expansion of (log (sqrt (+ x 1.0))) in x
0.236 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.236 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.236 * [taylor]: Taking taylor expansion of x in x
0.236 * [taylor]: Taking taylor expansion of 1.0 in x
0.270 * [approximate]: Taking taylor expansion of (log (sqrt (+ (/ 1 x) 1.0))) in (x) around 0
0.270 * [taylor]: Taking taylor expansion of (log (sqrt (+ (/ 1 x) 1.0))) in x
0.270 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.270 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of 1.0 in x
0.272 * [taylor]: Taking taylor expansion of (log (sqrt (+ (/ 1 x) 1.0))) in x
0.272 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.272 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.272 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.272 * [taylor]: Taking taylor expansion of x in x
0.272 * [taylor]: Taking taylor expansion of 1.0 in x
0.291 * [approximate]: Taking taylor expansion of (log (sqrt (- 1.0 (/ 1 x)))) in (x) around 0
0.291 * [taylor]: Taking taylor expansion of (log (sqrt (- 1.0 (/ 1 x)))) in x
0.291 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.291 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.291 * [taylor]: Taking taylor expansion of 1.0 in x
0.291 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.291 * [taylor]: Taking taylor expansion of x in x
0.293 * [taylor]: Taking taylor expansion of (log (sqrt (- 1.0 (/ 1 x)))) in x
0.293 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.293 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.293 * [taylor]: Taking taylor expansion of 1.0 in x
0.293 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.293 * [taylor]: Taking taylor expansion of x in x
0.313 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.313 * [approximate]: Taking taylor expansion of (log (sqrt (+ x 1.0))) in (x) around 0
0.313 * [taylor]: Taking taylor expansion of (log (sqrt (+ x 1.0))) in x
0.313 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.313 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.313 * [taylor]: Taking taylor expansion of x in x
0.313 * [taylor]: Taking taylor expansion of 1.0 in x
0.315 * [taylor]: Taking taylor expansion of (log (sqrt (+ x 1.0))) in x
0.315 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.315 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.315 * [taylor]: Taking taylor expansion of x in x
0.315 * [taylor]: Taking taylor expansion of 1.0 in x
0.348 * [approximate]: Taking taylor expansion of (log (sqrt (+ (/ 1 x) 1.0))) in (x) around 0
0.349 * [taylor]: Taking taylor expansion of (log (sqrt (+ (/ 1 x) 1.0))) in x
0.349 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.349 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.349 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.349 * [taylor]: Taking taylor expansion of x in x
0.349 * [taylor]: Taking taylor expansion of 1.0 in x
0.350 * [taylor]: Taking taylor expansion of (log (sqrt (+ (/ 1 x) 1.0))) in x
0.350 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.351 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.351 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.351 * [taylor]: Taking taylor expansion of x in x
0.351 * [taylor]: Taking taylor expansion of 1.0 in x
0.369 * [approximate]: Taking taylor expansion of (log (sqrt (- 1.0 (/ 1 x)))) in (x) around 0
0.369 * [taylor]: Taking taylor expansion of (log (sqrt (- 1.0 (/ 1 x)))) in x
0.369 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.369 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.369 * [taylor]: Taking taylor expansion of 1.0 in x
0.369 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.369 * [taylor]: Taking taylor expansion of x in x
0.371 * [taylor]: Taking taylor expansion of (log (sqrt (- 1.0 (/ 1 x)))) in x
0.371 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.371 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.371 * [taylor]: Taking taylor expansion of 1.0 in x
0.372 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.372 * [taylor]: Taking taylor expansion of x in x
0.391 * * * [progress]: simplifying candidates
0.392 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (log (sqrt (+ 1.0 x))))
  (log1p (log (sqrt (+ 1.0 x))))
  (log (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (log (cbrt (sqrt (+ 1.0 x))))
  (log (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (log (sqrt (cbrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt 1))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt 1))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log 1)
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ (pow 1.0 3) (pow x 3))))
  (log (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x)))))
  (log (sqrt (- (* 1.0 1.0) (* x x))))
  (log (sqrt (- 1.0 x)))
  (log (+ 1.0 x))
  (log (sqrt (+ 1.0 x)))
  (log (+ 1.0 x))
  (log (log (sqrt (+ 1.0 x))))
  (exp (log (sqrt (+ 1.0 x))))
  (* (cbrt (log (sqrt (+ 1.0 x)))) (cbrt (log (sqrt (+ 1.0 x)))))
  (cbrt (log (sqrt (+ 1.0 x))))
  (* (* (log (sqrt (+ 1.0 x))) (log (sqrt (+ 1.0 x)))) (log (sqrt (+ 1.0 x))))
  (sqrt (log (sqrt (+ 1.0 x))))
  (sqrt (log (sqrt (+ 1.0 x))))
  (expm1 (log (sqrt (+ 1.0 x))))
  (log1p (log (sqrt (+ 1.0 x))))
  (log (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (log (cbrt (sqrt (+ 1.0 x))))
  (log (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (log (sqrt (cbrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt 1))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt 1))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log 1)
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ (pow 1.0 3) (pow x 3))))
  (log (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x)))))
  (log (sqrt (- (* 1.0 1.0) (* x x))))
  (log (sqrt (- 1.0 x)))
  (log (+ 1.0 x))
  (log (sqrt (+ 1.0 x)))
  (log (+ 1.0 x))
  (log (log (sqrt (+ 1.0 x))))
  (exp (log (sqrt (+ 1.0 x))))
  (* (cbrt (log (sqrt (+ 1.0 x)))) (cbrt (log (sqrt (+ 1.0 x)))))
  (cbrt (log (sqrt (+ 1.0 x))))
  (* (* (log (sqrt (+ 1.0 x))) (log (sqrt (+ 1.0 x)))) (log (sqrt (+ 1.0 x))))
  (sqrt (log (sqrt (+ 1.0 x))))
  (sqrt (log (sqrt (+ 1.0 x))))
  (- (+ (* 1/2 (/ x (pow (sqrt 1.0) 2))) (log (sqrt 1.0))) (* 1/4 (/ (pow x 2) (pow (sqrt 1.0) 4))))
  (- (log +nan.0) (+ (* +nan.0 (/ 1 (pow x 2))) (- (* +nan.0 (/ 1 x)))))
  (- (log +nan.0) (+ (* +nan.0 (/ 1 (pow x 2))) (- (* +nan.0 (/ 1 x)))))
  (- (+ (* 1/2 (/ x (pow (sqrt 1.0) 2))) (log (sqrt 1.0))) (* 1/4 (/ (pow x 2) (pow (sqrt 1.0) 4))))
  (- (log +nan.0) (+ (* +nan.0 (/ 1 (pow x 2))) (- (* +nan.0 (/ 1 x)))))
  (- (log +nan.0) (+ (* +nan.0 (/ 1 (pow x 2))) (- (* +nan.0 (/ 1 x)))))
0.395 * * [simplify]: iteration  0 :  143  enodes  (cost  314 )
0.398 * * [simplify]: iteration  1 :  362  enodes  (cost  284 )
0.404 * * [simplify]: iteration  2 :  1284  enodes  (cost  272 )
0.432 * * [simplify]: iteration  3 :  5002  enodes  (cost  264 )
0.434 * [simplify]: Simplified to:
   (expm1 (log (sqrt (+ 1.0 x))))
  (log1p (log (sqrt (+ 1.0 x))))
  (* 2 (log (cbrt (sqrt (+ 1.0 x)))))
  (log (cbrt (sqrt (+ 1.0 x))))
  (log (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (log (sqrt (cbrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  0
  (log (sqrt (+ 1.0 x)))
  0
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  0
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ (pow 1.0 3) (pow x 3))))
  (log (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x)))))
  (log (sqrt (- (* 1.0 1.0) (* x x))))
  (log (sqrt (- 1.0 x)))
  (log (+ 1.0 x))
  (log (sqrt (+ 1.0 x)))
  (log (+ 1.0 x))
  (log (log (sqrt (+ 1.0 x))))
  (sqrt (+ 1.0 x))
  (* (cbrt (log (sqrt (+ 1.0 x)))) (cbrt (log (sqrt (+ 1.0 x)))))
  (cbrt (log (sqrt (+ 1.0 x))))
  (pow (log (sqrt (+ 1.0 x))) 3)
  (sqrt (log (sqrt (+ 1.0 x))))
  (sqrt (log (sqrt (+ 1.0 x))))
  (expm1 (log (sqrt (+ 1.0 x))))
  (log1p (log (sqrt (+ 1.0 x))))
  (* 2 (log (cbrt (sqrt (+ 1.0 x)))))
  (log (cbrt (sqrt (+ 1.0 x))))
  (log (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (log (sqrt (cbrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  0
  (log (sqrt (+ 1.0 x)))
  0
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  0
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ (pow 1.0 3) (pow x 3))))
  (log (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x)))))
  (log (sqrt (- (* 1.0 1.0) (* x x))))
  (log (sqrt (- 1.0 x)))
  (log (+ 1.0 x))
  (log (sqrt (+ 1.0 x)))
  (log (+ 1.0 x))
  (log (log (sqrt (+ 1.0 x))))
  (sqrt (+ 1.0 x))
  (* (cbrt (log (sqrt (+ 1.0 x)))) (cbrt (log (sqrt (+ 1.0 x)))))
  (cbrt (log (sqrt (+ 1.0 x))))
  (pow (log (sqrt (+ 1.0 x))) 3)
  (sqrt (log (sqrt (+ 1.0 x))))
  (sqrt (log (sqrt (+ 1.0 x))))
  (fma (- 1/4) (* (/ x 1.0) (/ x 1.0)) (fma 1/2 (/ x 1.0) (log (sqrt 1.0))))
  (- (log +nan.0) (- (/ (/ +nan.0 x) x) (/ +nan.0 x)))
  (- (log +nan.0) (- (/ (/ +nan.0 x) x) (/ +nan.0 x)))
  (fma (- 1/4) (* (/ x 1.0) (/ x 1.0)) (fma 1/2 (/ x 1.0) (log (sqrt 1.0))))
  (- (log +nan.0) (- (/ (/ +nan.0 x) x) (/ +nan.0 x)))
  (- (log +nan.0) (- (/ (/ +nan.0 x) x) (/ +nan.0 x)))
0.435 * * * [progress]: adding candidates to table
0.525 * * [progress]: iteration 4 / 4
0.525 * * * [progress]: picking best candidate
0.530 * * * * [pick]: Picked  #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))>
0.531 * * * [progress]: localizing error
0.539 * * * [progress]: generating rewritten candidates
0.539 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.543 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2 2)
0.547 * * * [progress]: generating series expansions
0.547 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.547 * [approximate]: Taking taylor expansion of (log (sqrt (+ x 1.0))) in (x) around 0
0.547 * [taylor]: Taking taylor expansion of (log (sqrt (+ x 1.0))) in x
0.547 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.547 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.547 * [taylor]: Taking taylor expansion of x in x
0.547 * [taylor]: Taking taylor expansion of 1.0 in x
0.550 * [taylor]: Taking taylor expansion of (log (sqrt (+ x 1.0))) in x
0.550 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.550 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.550 * [taylor]: Taking taylor expansion of x in x
0.550 * [taylor]: Taking taylor expansion of 1.0 in x
0.581 * [approximate]: Taking taylor expansion of (log (sqrt (+ (/ 1 x) 1.0))) in (x) around 0
0.581 * [taylor]: Taking taylor expansion of (log (sqrt (+ (/ 1 x) 1.0))) in x
0.581 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.581 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.581 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.581 * [taylor]: Taking taylor expansion of x in x
0.581 * [taylor]: Taking taylor expansion of 1.0 in x
0.583 * [taylor]: Taking taylor expansion of (log (sqrt (+ (/ 1 x) 1.0))) in x
0.583 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
0.583 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.583 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.583 * [taylor]: Taking taylor expansion of x in x
0.583 * [taylor]: Taking taylor expansion of 1.0 in x
0.607 * [approximate]: Taking taylor expansion of (log (sqrt (- 1.0 (/ 1 x)))) in (x) around 0
0.607 * [taylor]: Taking taylor expansion of (log (sqrt (- 1.0 (/ 1 x)))) in x
0.607 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.607 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.607 * [taylor]: Taking taylor expansion of 1.0 in x
0.607 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.607 * [taylor]: Taking taylor expansion of x in x
0.609 * [taylor]: Taking taylor expansion of (log (sqrt (- 1.0 (/ 1 x)))) in x
0.609 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.609 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.609 * [taylor]: Taking taylor expansion of 1.0 in x
0.609 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.609 * [taylor]: Taking taylor expansion of x in x
0.630 * * * * [progress]: [ 2 / 2 ] generating series at (2 2 2)
0.630 * [approximate]: Taking taylor expansion of (log (+ x 1.0)) in (x) around 0
0.630 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.630 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.630 * [taylor]: Taking taylor expansion of x in x
0.630 * [taylor]: Taking taylor expansion of 1.0 in x
0.631 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.631 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.631 * [taylor]: Taking taylor expansion of x in x
0.631 * [taylor]: Taking taylor expansion of 1.0 in x
0.642 * [approximate]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in (x) around 0
0.642 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.642 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.642 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.642 * [taylor]: Taking taylor expansion of x in x
0.642 * [taylor]: Taking taylor expansion of 1.0 in x
0.643 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.643 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.643 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.643 * [taylor]: Taking taylor expansion of x in x
0.643 * [taylor]: Taking taylor expansion of 1.0 in x
0.655 * [approximate]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in (x) around 0
0.655 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.655 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.655 * [taylor]: Taking taylor expansion of 1.0 in x
0.655 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.655 * [taylor]: Taking taylor expansion of x in x
0.656 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.656 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.657 * [taylor]: Taking taylor expansion of 1.0 in x
0.657 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.657 * [taylor]: Taking taylor expansion of x in x
0.670 * * * [progress]: simplifying candidates
0.671 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (log (sqrt (+ 1.0 x))))
  (log1p (log (sqrt (+ 1.0 x))))
  (log (* (cbrt (sqrt (+ 1.0 x))) (cbrt (sqrt (+ 1.0 x)))))
  (log (cbrt (sqrt (+ 1.0 x))))
  (log (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (log (sqrt (cbrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt 1))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt 1))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log 1)
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ (pow 1.0 3) (pow x 3))))
  (log (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x)))))
  (log (sqrt (- (* 1.0 1.0) (* x x))))
  (log (sqrt (- 1.0 x)))
  (log (+ 1.0 x))
  (log (sqrt (+ 1.0 x)))
  (log (+ 1.0 x))
  (log (log (sqrt (+ 1.0 x))))
  (exp (log (sqrt (+ 1.0 x))))
  (* (cbrt (log (sqrt (+ 1.0 x)))) (cbrt (log (sqrt (+ 1.0 x)))))
  (cbrt (log (sqrt (+ 1.0 x))))
  (* (* (log (sqrt (+ 1.0 x))) (log (sqrt (+ 1.0 x)))) (log (sqrt (+ 1.0 x))))
  (sqrt (log (sqrt (+ 1.0 x))))
  (sqrt (log (sqrt (+ 1.0 x))))
  (expm1 (log (+ 1.0 x)))
  (log1p (log (+ 1.0 x)))
  (log (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (log (cbrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log 1)
  (log (+ 1.0 x))
  (log 1)
  (log (+ 1.0 x))
  (log (+ (pow 1.0 3) (pow x 3)))
  (log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (log (- (* 1.0 1.0) (* x x)))
  (log (- 1.0 x))
  (log (+ 1.0 x))
  (log (log (+ 1.0 x)))
  (exp (log (+ 1.0 x)))
  (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x))))
  (cbrt (log (+ 1.0 x)))
  (* (* (log (+ 1.0 x)) (log (+ 1.0 x))) (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (- (+ (* 1/2 (/ x (pow (sqrt 1.0) 2))) (log (sqrt 1.0))) (* 1/4 (/ (pow x 2) (pow (sqrt 1.0) 4))))
  (- (log +nan.0) (+ (* +nan.0 (/ 1 (pow x 2))) (- (* +nan.0 (/ 1 x)))))
  (- (log +nan.0) (+ (* +nan.0 (/ 1 (pow x 2))) (- (* +nan.0 (/ 1 x)))))
  (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
  (- (* 1.0 (/ 1 x)) (+ (* 0.5 (/ 1 (pow x 2))) (log (/ 1 x))))
  (- (+ (log -1) (* 1.0 (/ 1 x))) (+ (* 0.5 (/ 1 (pow x 2))) (log (/ -1 x))))
0.675 * * [simplify]: iteration  0 :  216  enodes  (cost  256 )
0.679 * * [simplify]: iteration  1 :  583  enodes  (cost  231 )
0.689 * * [simplify]: iteration  2 :  2262  enodes  (cost  222 )
0.734 * * [simplify]: iteration  3 :  5001  enodes  (cost  217 )
0.736 * [simplify]: Simplified to:
   (expm1 (log (sqrt (+ 1.0 x))))
  (log1p (log (sqrt (+ 1.0 x))))
  (* 2 (log (cbrt (sqrt (+ 1.0 x)))))
  (log (cbrt (sqrt (+ 1.0 x))))
  (log (sqrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (log (sqrt (cbrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  0
  (log (sqrt (+ 1.0 x)))
  0
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (sqrt (+ 1.0 x))))
  (log (sqrt (sqrt (+ 1.0 x))))
  0
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ (pow 1.0 3) (pow x 3))))
  (log (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x)))))
  (log (sqrt (- (* 1.0 1.0) (* x x))))
  (log (sqrt (- 1.0 x)))
  (log (+ 1.0 x))
  (log (sqrt (+ 1.0 x)))
  (log (+ 1.0 x))
  (log (log (sqrt (+ 1.0 x))))
  (sqrt (+ 1.0 x))
  (* (cbrt (log (sqrt (+ 1.0 x)))) (cbrt (log (sqrt (+ 1.0 x)))))
  (cbrt (log (sqrt (+ 1.0 x))))
  (pow (log (sqrt (+ 1.0 x))) 3)
  (sqrt (log (sqrt (+ 1.0 x))))
  (sqrt (log (sqrt (+ 1.0 x))))
  (expm1 (log (+ 1.0 x)))
  (log1p (log (+ 1.0 x)))
  (* 2 (log (cbrt (+ 1.0 x))))
  (log (cbrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  0
  (log (+ 1.0 x))
  0
  (log (+ 1.0 x))
  (log (+ (pow 1.0 3) (pow x 3)))
  (log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (log (- (* 1.0 1.0) (* x x)))
  (log (- 1.0 x))
  (log (+ 1.0 x))
  (log (log (+ 1.0 x)))
  (+ 1.0 x)
  (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x))))
  (cbrt (log (+ 1.0 x)))
  (pow (log (+ 1.0 x)) 3)
  (sqrt (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (fma (- 1/4) (/ (pow x 2) (pow 1.0 2)) (fma 1/2 (/ x 1.0) (log (sqrt 1.0))))
  (- (log +nan.0) (- (/ (/ +nan.0 x) x) (/ +nan.0 x)))
  (- (log +nan.0) (- (/ (/ +nan.0 x) x) (/ +nan.0 x)))
  (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
  (fma (/ 1 x) (- 1.0 (/ 0.5 x)) (log x))
  (fma 1.0 (/ 1 x) (- (log -1) (fma 0.5 (/ 1 (pow x 2)) (log (/ -1 x)))))
0.737 * * * [progress]: adding candidates to table
0.828 * [progress]: [Phase 3 of 3] Extracting.
0.828 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (cbrt (pow (log (+ 1.0 x)) 3)))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (cbrt (pow (log (sqrt (+ 1.0 x))) 3))))> #<alt (λ (x) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))> #<alt (λ (x) (+ (exp (log (log (sqrt (+ 1.0 x))))) (* 1/2 (log (+ 1.0 x)))))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))>)
0.829 * * * [regime-changes]: Trying 3 branch expressions: ((+ 1.0 x) (log (+ 1.0 x)) x)
0.829 * * * * [regimes]: Trying to branch on (+ 1.0 x) from (#<alt (λ (x) (cbrt (pow (log (+ 1.0 x)) 3)))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (cbrt (pow (log (sqrt (+ 1.0 x))) 3))))> #<alt (λ (x) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))> #<alt (λ (x) (+ (exp (log (log (sqrt (+ 1.0 x))))) (* 1/2 (log (+ 1.0 x)))))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))>)
0.848 * * * * [regimes]: Trying to branch on (+ 1.0 x) from (#<alt (λ (x) (cbrt (pow (log (+ 1.0 x)) 3)))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (cbrt (pow (log (sqrt (+ 1.0 x))) 3))))> #<alt (λ (x) (+ (exp (log (log (sqrt (+ 1.0 x))))) (* 1/2 (log (+ 1.0 x)))))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))>)
0.861 * * * * [regimes]: Trying to branch on (log (+ 1.0 x)) from (#<alt (λ (x) (cbrt (pow (log (+ 1.0 x)) 3)))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (cbrt (pow (log (sqrt (+ 1.0 x))) 3))))> #<alt (λ (x) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))> #<alt (λ (x) (+ (exp (log (log (sqrt (+ 1.0 x))))) (* 1/2 (log (+ 1.0 x)))))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))>)
0.886 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (cbrt (pow (log (+ 1.0 x)) 3)))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (cbrt (pow (log (sqrt (+ 1.0 x))) 3))))> #<alt (λ (x) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))> #<alt (λ (x) (+ (exp (log (log (sqrt (+ 1.0 x))))) (* 1/2 (log (+ 1.0 x)))))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))>)
0.911 * * * [regime]: Found split indices: #<option (#s(si 2 155) #s(si 4 255))>
0.912 * [binary-search]: Only using regimes for bounds on (+ 1.0 x) and (#<alt (λ (x) (cbrt (pow (log (+ 1.0 x)) 3)))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (cbrt (pow (log (sqrt (+ 1.0 x))) 3))))> #<alt (λ (x) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))> #<alt (λ (x) (+ (exp (log (log (sqrt (+ 1.0 x))))) (* 1/2 (log (+ 1.0 x)))))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))>)
0.912 * [regimes]: Found splitpoints: (#s(sp 2 (+ 1.0 x) 1.0000002540201325) #s(sp 4 (+ 1.0 x) +nan.0)) , with alts (#<alt (λ (x) (cbrt (pow (log (+ 1.0 x)) 3)))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (cbrt (pow (log (sqrt (+ 1.0 x))) 3))))> #<alt (λ (x) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))))> #<alt (λ (x) (+ (exp (log (log (sqrt (+ 1.0 x))))) (* 1/2 (log (+ 1.0 x)))))> #<alt (λ (x) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))>)
0.912 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= (+ 1.0 x) 1.0000002540201325) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))
0.913 * * [simplify]: iteration  0 :  24  enodes  (cost  15 )
0.913 * * [simplify]: iteration  1 :  24  enodes  (cost  15 )
0.914 * [simplify]: Simplified to:
   (if (<= (+ 1.0 x) 1.0000002540201325) (fma x 1.0 (- (log 1.0) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (+ (log (sqrt (+ 1.0 x))) (* 1/2 (log (+ 1.0 x)))))
3.031 * [regime-testing]: Baseline error score: 21.382318355062
3.031 * [regime-testing]: Oracle error score: 0.10794253976581078
3.032 * [regime-testing]: End program error score: 0.3137758901523741
3.057 * [regime-testing]: Target error score: 0.2836085713840132