8.327 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.026 * [progress]: [Phase 2 of 3] Improving.
0.027 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ x 2.0)) (sqrt (+ x 1.0)))
0.029 * * [simplify]: iteration  0 :  12  enodes  (cost  5 )
0.030 * * [simplify]: iteration  1 :  13  enodes  (cost  5 )
0.031 * * [simplify]: iteration  2 :  13  enodes  (cost  5 )
0.031 * [simplify]: Simplified to:
   (- (sqrt (+ x 2.0)) (sqrt (+ x 1.0)))
0.033 * [progress]: [Phase 3 of 3] Extracting.
0.035 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ x 2.0)) (sqrt (+ x 1.0)))
0.035 * * [simplify]: iteration  0 :  10  enodes  (cost  5 )
0.036 * * [simplify]: iteration  1 :  10  enodes  (cost  5 )
0.036 * [simplify]: Simplified to:
   (- (sqrt (+ x 2.0)) (sqrt (+ x 1.0)))
0.961 * [regime-testing]: End program error score: 20.996415698972953