7.964 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.094 * * * [progress]: [2/2] Setting up program.
0.099 * [progress]: [Phase 2 of 3] Improving.
0.099 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* (* 2.0 t) t))) (* l l))))
0.101 * * [simplify]: iteration  0 :  40  enodes  (cost  14 )
0.102 * * [simplify]: iteration  1 :  92  enodes  (cost  14 )
0.104 * * [simplify]: iteration  2 :  193  enodes  (cost  14 )
0.108 * * [simplify]: iteration  3 :  416  enodes  (cost  14 )
0.114 * * [simplify]: iteration  4 :  722  enodes  (cost  14 )
0.123 * * [simplify]: iteration  5 :  1194  enodes  (cost  14 )
0.139 * * [simplify]: iteration  6 :  2789  enodes  (cost  14 )
0.177 * * [simplify]: iteration  7 :  4867  enodes  (cost  14 )
0.245 * * [simplify]: iteration  8 :  5001  enodes  (cost  14 )
0.245 * [simplify]: Simplified to:
   (/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* (* 2.0 t) t))) (* l l))))
0.246 * [progress]: [Phase 3 of 3] Extracting.
0.249 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* (* 2.0 t) t))) (* l l))))
0.250 * * [simplify]: iteration  0 :  24  enodes  (cost  14 )
0.250 * * [simplify]: iteration  1 :  24  enodes  (cost  14 )
0.250 * [simplify]: Simplified to:
   (/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* (* 2.0 t) t))) (* l l))))
3.427 * [regime-testing]: End program error score: 42.965565355012224