0.235 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.016 * * [simplify]: iteration 0: 7 enodes
0.017 * * [simplify]: iteration 1: 10 enodes
0.019 * * [simplify]: iteration 2: 12 enodes
0.020 * * [simplify]: iteration complete: 12 enodes
0.020 * * [simplify]: Extracting #0: cost 1 inf + 0
0.020 * * [simplify]: Extracting #1: cost 3 inf + 0
0.020 * * [simplify]: Extracting #2: cost 4 inf + 1
0.020 * * [simplify]: Extracting #3: cost 7 inf + 1
0.020 * * [simplify]: Extracting #4: cost 0 inf + 24
0.020 * [simplify]: Simplified to:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate