0.048 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.462 * * * [progress]: [2/2] Setting up program.
0.464 * [progress]: [Phase 2 of 3] Improving.
0.465 * [simplify]: Simplifying:
  (- (log (+ 1.0 (exp x))) (* x y))
0.465 * [simplify]: Sending expressions to egg_math:
 (- (log (+ 1.0 (exp h1))) (* h1 h0))