16.248 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.047 * * * [progress]: [2/2] Setting up program.
0.051 * [progress]: [Phase 2 of 3] Improving.
0.051 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ (* x y) (* z w)))
0.053 * * [simplify]: iteration  0 :  11  enodes  (cost  4 )
0.054 * * [simplify]: iteration  1 :  11  enodes  (cost  4 )
0.054 * [simplify]: Simplified to:
   (sqrt (+ (* x y) (* z w)))
0.054 * [progress]: [Phase 3 of 3] Extracting.
0.058 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ (* x y) (* z w)))
0.059 * * [simplify]: iteration  0 :  11  enodes  (cost  4 )
0.059 * * [simplify]: iteration  1 :  11  enodes  (cost  4 )
0.059 * [simplify]: Simplified to:
   (sqrt (+ (* x y) (* z w)))
1.583 * [regime-testing]: End program error score: 15.830114187620683