0.120 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.117 * * * [progress]: [2/2] Setting up program.
0.121 * [progress]: [Phase 2 of 3] Improving.
0.122 * [simplify]: Simplifying:
  (+ x (/ (* (- y z) (- t x)) (- a z)))
0.122 * [simplify]: Sending expressions to egg_math:
 (+ h2 (/ (* (- h4 h0) (- h3 h2)) (- h1 h0)))