4.825 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.117 * * * [progress]: [2/2] Setting up program.
0.120 * [progress]: [Phase 2 of 3] Improving.
0.120 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (- x (* (sqrt (+ x 1.0)) (sqrt (- x 1.0)))))
0.122 * * [simplify]: iteration  0 :  15  enodes  (cost  7 )
0.123 * * [simplify]: iteration  1 :  23  enodes  (cost  7 )
0.124 * * [simplify]: iteration  2 :  23  enodes  (cost  7 )
0.124 * [simplify]: Simplified to:
   (log (- x (* (sqrt (+ x 1.0)) (sqrt (- x 1.0)))))
0.124 * [progress]: [Phase 3 of 3] Extracting.
0.127 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (- x (* (sqrt (+ x 1.0)) (sqrt (- x 1.0)))))
0.127 * * [simplify]: iteration  0 :  11  enodes  (cost  7 )
0.127 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.127 * [simplify]: Simplified to:
   (log (- x (* (sqrt (+ x 1.0)) (sqrt (- x 1.0)))))
4.087 * [regime-testing]: End program error score: 62.63727238780543