3.987 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.076 * * * [progress]: [2/2] Setting up program.
0.078 * [progress]: [Phase 2 of 3] Improving.
0.078 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (* x (sin x))) (sqrt x))
0.080 * * [simplify]: iteration  0 :  9  enodes  (cost  5 )
0.081 * * [simplify]: iteration  1 :  10  enodes  (cost  5 )
0.082 * * [simplify]: iteration  2 :  10  enodes  (cost  5 )
0.082 * [simplify]: Simplified to:
   (- (sqrt (* x (sin x))) (sqrt x))
0.082 * [progress]: [Phase 3 of 3] Extracting.
0.085 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (* x (sin x))) (sqrt x))
0.085 * * [simplify]: iteration  0 :  7  enodes  (cost  5 )
0.086 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.086 * [simplify]: Simplified to:
   (- (sqrt (* x (sin x))) (sqrt x))
2.519 * [regime-testing]: End program error score: 0.7733324760547006