4.796 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.059 * * * [progress]: [2/2] Setting up program.
0.062 * [progress]: [Phase 2 of 3] Improving.
0.062 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ x (* (sqrt (- x 1.0)) (sqrt (+ x 1.0)))))
0.064 * * [simplify]: iteration  0 :  14  enodes  (cost  7 )
0.065 * * [simplify]: iteration  1 :  15  enodes  (cost  7 )
0.066 * * [simplify]: iteration  2 :  15  enodes  (cost  7 )
0.066 * [simplify]: Simplified to:
   (log (+ x (* (sqrt (- x 1.0)) (sqrt (+ x 1.0)))))
0.066 * [progress]: [Phase 3 of 3] Extracting.
0.069 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ x (* (sqrt (- x 1.0)) (sqrt (+ x 1.0)))))
0.069 * * [simplify]: iteration  0 :  12  enodes  (cost  7 )
0.069 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.070 * [simplify]: Simplified to:
   (log (+ x (* (sqrt (- x 1.0)) (sqrt (+ x 1.0)))))
2.106 * [regime-testing]: End program error score: 0.043130391298912364