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