0.677 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.048 * * * [progress]: [2/2] Setting up program.
0.051 * [progress]: [Phase 2 of 3] Improving.
0.051 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (+ x y)) (exp (+ z y)))
0.053 * * [simplify]: iteration  0 :  17  enodes  (cost  4 )
0.054 * * [simplify]: iteration  1 :  36  enodes  (cost  4 )
0.055 * * [simplify]: iteration  2 :  98  enodes  (cost  4 )
0.057 * * [simplify]: iteration  3 :  214  enodes  (cost  2 )
0.061 * * [simplify]: iteration  4 :  863  enodes  (cost  2 )
0.081 * * [simplify]: iteration  5 :  5001  enodes  (cost  2 )
0.081 * [simplify]: Simplified to:
   (exp (- x z))
0.085 * [progress]: [Phase 3 of 3] Extracting.
0.088 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (exp (- x z))
0.089 * * [simplify]: iteration  0 :  4  enodes  (cost  2 )
0.089 * [simplify]: Simplified to:
   (exp (- x z))
1.799 * [regime-testing]: End program error score: 0.0005213057884038395