2.293 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (/ (- x y) (- z y))
0.035 * * [simplify]: iteration 0: 6 enodes
0.037 * * [simplify]: iteration 1: 12 enodes
0.040 * * [simplify]: iteration 2: 16 enodes
0.045 * * [simplify]: iteration 3: 18 enodes
0.049 * * [simplify]: iteration complete: 18 enodes
0.049 * * [simplify]: Extracting #0: cost 1 inf + 0
0.049 * * [simplify]: Extracting #1: cost 6 inf + 0
0.049 * * [simplify]: Extracting #2: cost 10 inf + 0
0.049 * * [simplify]: Extracting #3: cost 3 inf + 19
0.049 * * [simplify]: Extracting #4: cost 0 inf + 34
0.049 * [simplify]: Simplified to:
  (/ (- x y) (- z y))
0.050 * * [progress]: iteration 1 / 4
0.050 * * * [progress]: picking best candidate