1553948354.431 * [progress]: [Phase 1 of 3] Setting up.
1553948354.431 * * * [progress]: [1/2] Preparing points
1553948354.531 * * * [progress]: [2/2] Setting up program.
1553948354.534 * [progress]: [Phase 2 of 3] Improving.
1553948354.534 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x) (log (+ 1 x)))>
1553948354.535 * [simplify]: Simplifying (log (+ 1 x))
1553948354.535 * * [simplify]: iters left: 3 (4 enodes)
1553948354.537 * * [simplify]: iters left: 2 (16 enodes)
1553948354.559 * * [simplify]: iters left: 1 (18 enodes)
1553948354.564 * * [simplify]: Extracting #0: cost 1 inf + 0
1553948354.564 * * [simplify]: Extracting #1: cost 4 inf + 0
1553948354.564 * * [simplify]: Extracting #2: cost 3 inf + 183
1553948354.565 * * [simplify]: Extracting #3: cost 2 inf + 184
1553948354.565 * * [simplify]: Extracting #4: cost 0 inf + 268
1553948354.565 * [simplify]: Simplified to (log1p x)
1553948354.565 * [simplify]: Simplified (2) to (λ (x) (log1p x))
1553948354.575 * * [progress]: iteration 1 / 4
1553948354.575 * * * [progress]: picking best candidate
1553948354.578 * * * * [pick]: Picked  #<alt (λ (x) (log1p x))>
1553948354.578 * * * [progress]: localizing error
1553948354.585 * * * [progress]: generating rewritten candidates
1553948354.585 * * * [progress]: generating series expansions
1553948354.585 * * * [progress]: simplifying candidates
1553948354.585 * * * [progress]: adding candidates to table
1553948354.586 * [progress]: [Phase 3 of 3] Extracting.
1553948354.590 * [simplify]: Simplifying (log1p x)
1553948354.590 * * [simplify]: iters left: 1 (2 enodes)
1553948354.590 * * [simplify]: Extracting #0: cost 1 inf + 0
1553948354.590 * * [simplify]: Extracting #1: cost 2 inf + 0
1553948354.590 * * [simplify]: Extracting #2: cost 1 inf + 1
1553948354.590 * * [simplify]: Extracting #3: cost 0 inf + 92
1553948354.590 * [simplify]: Simplified to (log1p x)
1553948358.304 * [regime-testing]: Baseline error score: 0.00037504688086010754
1553948358.305 * [regime-testing]: Oracle error score: 0.00037504688086010754
1553948358.305 * [regime-testing]: End program error score: 0.00037504688086010754
1553948358.358 * [regime-testing]: Target error score: 0.22823869903542499