8.723 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.029 * * * [progress]: [2/2] Setting up program.
0.032 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ (+ (sqrt (+ x 1.0)) (sqrt x)) (sqrt (+ x 1.0))) (sqrt x))
0.034 * * [simplify]: iteration  0 :  16  enodes  (cost  9 )
0.035 * * [simplify]: iteration  1 :  31  enodes  (cost  9 )
0.037 * * [simplify]: iteration  2 :  60  enodes  (cost  7 )
0.038 * * [simplify]: iteration  3 :  83  enodes  (cost  4 )
0.040 * * [simplify]: iteration  4 :  120  enodes  (cost  3 )
0.043 * * [simplify]: iteration  5 :  646  enodes  (cost  3 )
0.064 * * [simplify]: iteration  6 :  5002  enodes  (cost  3 )
0.064 * [simplify]: Simplified to:
   (* 2 (sqrt (+ x 1.0)))
0.067 * [progress]: [Phase 3 of 3] Extracting.
0.067 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* 2 (sqrt (+ x 1.0))))> #<alt (λ (x) (- (+ (+ (sqrt (+ x 1.0)) (sqrt x)) (sqrt (+ x 1.0))) (sqrt x)))>)
0.068 * * * [regime-changes]: Trying 2 branch expressions: ((- (+ (+ (sqrt (+ x 1.0)) (sqrt x)) (sqrt (+ x 1.0))) (sqrt x)) x)
0.068 * * * * [regimes]: Trying to branch on (- (+ (+ (sqrt (+ x 1.0)) (sqrt x)) (sqrt (+ x 1.0))) (sqrt x)) from (#<alt (λ (x) (* 2 (sqrt (+ x 1.0))))> #<alt (λ (x) (- (+ (+ (sqrt (+ x 1.0)) (sqrt x)) (sqrt (+ x 1.0))) (sqrt x)))>)
0.103 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* 2 (sqrt (+ x 1.0))))> #<alt (λ (x) (- (+ (+ (sqrt (+ x 1.0)) (sqrt x)) (sqrt (+ x 1.0))) (sqrt x)))>)
0.127 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.127 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2 (sqrt (+ x 1.0)))
0.128 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.128 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.128 * [simplify]: Simplified to:
   (* 2 (sqrt (+ x 1.0)))
1.296 * [regime-testing]: End program error score: 0.005125640705088136