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