0.219 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying:
  (- (* x y) (* z t))
0.024 * * [simplify]: iteration 0: 7 enodes
0.025 * * [simplify]: iteration 1: 12 enodes
0.027 * * [simplify]: iteration 2: 20 enodes
0.029 * * [simplify]: iteration 3: 24 enodes
0.034 * * [simplify]: iteration complete: 24 enodes
0.034 * * [simplify]: Extracting #0: cost 1 inf + 0
0.034 * * [simplify]: Extracting #1: cost 10 inf + 0
0.034 * * [simplify]: Extracting #2: cost 2 inf + 15
0.034 * * [simplify]: Extracting #3: cost 0 inf + 25
0.035 * [simplify]: Simplified to:
  (fma (- t) z (* x y))
0.045 * * [progress]: iteration 1 / 4
0.045 * * * [progress]: picking best candidate