22.853 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.082 * * * [progress]: [2/2] Setting up program.
0.085 * [progress]: [Phase 2 of 3] Improving.
0.085 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.087 * * [simplify]: iteration  0 :  15  enodes  (cost  9 )
0.088 * * [simplify]: iteration  1 :  24  enodes  (cost  9 )
0.090 * * [simplify]: iteration  2 :  32  enodes  (cost  9 )
0.091 * * [simplify]: iteration  3 :  44  enodes  (cost  9 )
0.092 * * [simplify]: iteration  4 :  59  enodes  (cost  9 )
0.094 * * [simplify]: iteration  5 :  174  enodes  (cost  9 )
0.099 * * [simplify]: iteration  6 :  1153  enodes  (cost  9 )
0.129 * * [simplify]: iteration  7 :  5001  enodes  (cost  9 )
0.129 * [simplify]: Simplified to:
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.129 * * [progress]: iteration 1 / 4
0.129 * * * [progress]: picking best candidate
0.131 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))>
0.131 * * * [progress]: localizing error
0.141 * * * [progress]: generating rewritten candidates
0.141 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.146 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.173 * * * [progress]: generating series expansions
0.173 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.173 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
0.173 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.173 * [taylor]: Taking taylor expansion of (exp x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.173 * [taylor]: Taking taylor expansion of (- x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.174 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.174 * [taylor]: Taking taylor expansion of (exp x) in x
0.174 * [taylor]: Taking taylor expansion of x in x
0.174 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.174 * [taylor]: Taking taylor expansion of (- x) in x
0.174 * [taylor]: Taking taylor expansion of x in x
0.198 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
0.198 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.198 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.198 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.199 * [taylor]: Taking taylor expansion of x in x
0.199 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.199 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.199 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.199 * [taylor]: Taking taylor expansion of x in x
0.199 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.199 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.199 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.200 * [taylor]: Taking taylor expansion of x in x
0.200 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.200 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.200 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.200 * [taylor]: Taking taylor expansion of x in x
0.204 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
0.204 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.204 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.204 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.204 * [taylor]: Taking taylor expansion of -1 in x
0.204 * [taylor]: Taking taylor expansion of x in x
0.204 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.204 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.204 * [taylor]: Taking taylor expansion of x in x
0.204 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.204 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.204 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.204 * [taylor]: Taking taylor expansion of -1 in x
0.204 * [taylor]: Taking taylor expansion of x in x
0.205 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.205 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.205 * [taylor]: Taking taylor expansion of x in x
0.208 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.208 * [approximate]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in (x) around 0
0.208 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
0.208 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.208 * [taylor]: Taking taylor expansion of (exp x) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.208 * [taylor]: Taking taylor expansion of (- x) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.209 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.209 * [taylor]: Taking taylor expansion of (exp x) in x
0.209 * [taylor]: Taking taylor expansion of x in x
0.209 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.209 * [taylor]: Taking taylor expansion of (- x) in x
0.209 * [taylor]: Taking taylor expansion of x in x
0.212 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
0.212 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.212 * [taylor]: Taking taylor expansion of (exp x) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.212 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.212 * [taylor]: Taking taylor expansion of (- x) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.213 * [taylor]: Taking taylor expansion of (exp x) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.213 * [taylor]: Taking taylor expansion of (- x) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.256 * [approximate]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0
0.256 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
0.256 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.256 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.256 * [taylor]: Taking taylor expansion of x in x
0.256 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.256 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.256 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.257 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.257 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
0.258 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.258 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.259 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.259 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.259 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.259 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.260 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.260 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.260 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.260 * [taylor]: Taking taylor expansion of x in x
0.269 * [approximate]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
0.269 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.269 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.269 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.269 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.269 * [taylor]: Taking taylor expansion of -1 in x
0.269 * [taylor]: Taking taylor expansion of x in x
0.269 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.269 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.269 * [taylor]: Taking taylor expansion of x in x
0.269 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.269 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) 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 (exp (/ -1 x)) in x
0.270 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.270 * [taylor]: Taking taylor expansion of -1 in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.270 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.271 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.271 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.271 * [taylor]: Taking taylor expansion of -1 in x
0.271 * [taylor]: Taking taylor expansion of x in x
0.271 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.271 * [taylor]: Taking taylor expansion of x in x
0.271 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.271 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.271 * [taylor]: Taking taylor expansion of x in x
0.272 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.272 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.272 * [taylor]: Taking taylor expansion of -1 in x
0.272 * [taylor]: Taking taylor expansion of x in x
0.280 * * * [progress]: simplifying candidates
0.281 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (exp x)) (exp (exp (- x))))
  (log (- (exp x) (exp (- x))))
  (exp (- (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (cbrt (- (exp x) (exp (- x))))
  (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (* (exp x) (exp x)) (+ (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
  (- (exp (- x)))
  (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (- (exp (- x)))
  (- (log (- (exp x) (exp (- x)))) (log (+ (exp x) (exp (- x)))))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (exp (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (/ (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x)))) (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x)))))
  (* (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))))
  (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (* (* (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (- (- (exp x) (exp (- x))))
  (- (+ (exp x) (exp (- x))))
  (/ (exp x) (+ (exp x) (exp (- x))))
  (/ (exp (- x)) (+ (exp x) (exp (- x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (cbrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) 1)
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) 1)
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (sqrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) 1)
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) 1)
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) 1)
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) 1)
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 (+ (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) 1)
  (/ (- (exp x) (exp (- x))) 1)
  (/ (+ (exp x) (exp (- x))) (cbrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (sqrt (exp x)) (sqrt (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (pow (exp x) 3) (pow (exp (- x)) 3)))
  (/ (- (exp x) (exp (- x))) (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x)))))
  (* (+ (exp x) (exp (- x))) (+ (* (exp x) (exp x)) (+ (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x))))))
  (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (* -1 x)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
0.286 * * [simplify]: iteration  0 :  252  enodes  (cost  836 )
0.290 * * [simplify]: iteration  1 :  806  enodes  (cost  782 )
0.304 * * [simplify]: iteration  2 :  3319  enodes  (cost  775 )
0.379 * * [simplify]: iteration  3 :  5002  enodes  (cost  775 )
0.382 * [simplify]: Simplified to:
   (exp (- (exp x) (exp (- x))))
  (log (- (exp x) (exp (- x))))
  (exp (- (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (cbrt (- (exp x) (exp (- x))))
  (pow (- (exp x) (exp (- x))) 3)
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (+ 1 (exp (+ x x))) (pow (exp -1) (* 2 x)))
  (- (exp (* -1 x)))
  (- (/ (exp (+ x x)) 1) (/ (pow (exp x) -2) 1))
  (+ (exp (* -1 x)) (exp x))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (- (exp (* -1 x)))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (exp (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (pow (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x))) 3)
  (* (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))))
  (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (pow (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x))) 3)
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (- (- (exp x) (exp (- x))))
  (- (+ (exp x) (exp (- x))))
  (/ (exp x) (+ (exp (* -1 x)) (exp x)))
  (/ 1 (+ 1 (exp (+ x x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (cbrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (sqrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (sqrt (- (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (/ 1 (+ (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (- x)))
  (/ (+ (exp x) (exp (- x))) (cbrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (sqrt (exp x)) (sqrt (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (pow (exp x) 3) (pow (exp (- x)) 3)))
  (/ (- (exp x) (exp (- x))) (- (/ (exp (+ x x)) 1) (/ (pow (exp x) -2) 1)))
  (* (+ (+ 1 (exp (+ x x))) (pow (exp -1) (* 2 x))) (+ (exp (* -1 x)) (exp x)))
  (+ (pow (exp x) -2) (+ 1 (+ 1 (exp (+ x x)))))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (- x)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
0.382 * * * [progress]: adding candidates to table
0.518 * * [progress]: iteration 2 / 4
0.518 * * * [progress]: picking best candidate
0.519 * * * * [pick]: Picked  #<alt (λ (x) (tanh x))>
0.519 * * * [progress]: localizing error
0.521 * * * [progress]: generating rewritten candidates
0.521 * * * [progress]: generating series expansions
0.521 * * * [progress]: simplifying candidates
0.521 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.523 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.523 * [simplify]: Simplified to:
   
0.523 * * * [progress]: adding candidates to table
0.524 * [progress]: [Phase 3 of 3] Extracting.
0.525 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (tanh x)
0.525 * * [simplify]: iteration  0 :  2  enodes  (cost  1 )
0.525 * [simplify]: Simplified to:
   (tanh x)
3.271 * [regime-testing]: End program error score: 0.01050131266408301