6.995 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.049 * * * [progress]: [2/2] Setting up program.
0.053 * [progress]: [Phase 2 of 3] Improving.
0.053 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (neg x) (sqrt (- (* x x) (* (* 4.0 y) z)))) (* 2.0 z))
0.055 * * [simplify]: iteration  0 :  28  enodes  (cost  9 )
0.056 * * [simplify]: iteration  1 :  64  enodes  (cost  9 )
0.058 * * [simplify]: iteration  2 :  114  enodes  (cost  9 )
0.059 * * [simplify]: iteration  3 :  135  enodes  (cost  9 )
0.061 * * [simplify]: iteration  4 :  144  enodes  (cost  9 )
0.063 * * [simplify]: iteration  5 :  148  enodes  (cost  9 )
0.065 * * [simplify]: iteration  6 :  148  enodes  (cost  9 )
0.065 * [simplify]: Simplified to:
   (/ (- (neg x) (sqrt (- (* x x) (* (* 4.0 y) z)))) (* 2.0 z))
0.065 * [progress]: [Phase 3 of 3] Extracting.
0.072 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (neg x) (sqrt (- (* x x) (* (* 4.0 y) z)))) (* 2.0 z))
0.072 * * [simplify]: iteration  0 :  17  enodes  (cost  9 )
0.072 * * [simplify]: iteration  1 :  17  enodes  (cost  9 )
0.072 * [simplify]: Simplified to:
   (/ (- (neg x) (sqrt (- (* x x) (* (* 4.0 y) z)))) (* 2.0 z))
1.884 * [regime-testing]: End program error score: 33.839860732660775