15.136 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.126 * * * [progress]: [2/2] Setting up program.
0.129 * [progress]: [Phase 2 of 3] Improving.
0.130 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x) (log (+ 1 x)))>
0.130 * [simplify]: Simplifying:
  (log (+ 1 x))
0.130 * * [simplify]: iteration 1: (4 enodes)
0.131 * * [simplify]: iteration 2: (6 enodes)
0.133 * * [simplify]: Extracting #0: cost 1 inf + 0
0.133 * * [simplify]: Extracting #1: cost 3 inf + 0
0.133 * * [simplify]: Extracting #2: cost 2 inf + 92
0.133 * * [simplify]: Extracting #3: cost 1 inf + 93
0.133 * * [simplify]: Extracting #4: cost 0 inf + 135
0.134 * [simplify]: Simplified to:
  (log1p x)
0.144 * * [progress]: iteration 1 / 4
0.144 * * * [progress]: picking best candidate
0.147 * * * * [pick]: Picked  #<alt (λ (x) (log1p x))>
0.147 * * * [progress]: localizing error
0.165 * * * [progress]: generating rewritten candidates
0.165 * * * [progress]: generating series expansions
0.165 * * * [progress]: simplifying candidates
0.166 * [simplify]: Simplifying:
  
0.166 * * [simplify]: iteration 1: (0 enodes)
0.166 * * [simplify]: Extracting #0: cost 0 inf + 0
0.166 * [simplify]: Simplified to:
  
0.166 * * * [progress]: adding candidates to table
0.167 * [progress]: [Phase 3 of 3] Extracting.
0.170 * [simplify]: Simplifying:
  (log1p x)
0.170 * * [simplify]: iteration 1: (2 enodes)
0.171 * * [simplify]: Extracting #0: cost 1 inf + 0
0.171 * * [simplify]: Extracting #1: cost 2 inf + 0
0.171 * * [simplify]: Extracting #2: cost 1 inf + 1
0.171 * * [simplify]: Extracting #3: cost 0 inf + 92
0.171 * [simplify]: Simplified to:
  (log1p x)
3.682 * [regime-testing]: Baseline error score: 0.0012501562695336917
3.687 * [regime-testing]: Oracle error score: 0.0012501562695336917
3.687 * [regime-testing]: End program error score: 0.0012501562695336917
3.764 * [regime-testing]: Target error score: 0.27363066608096787