45.602 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.025 * * [simplify]: iteration 0: 7 enodes
0.026 * * [simplify]: iteration 1: 10 enodes
0.028 * * [simplify]: iteration 2: 12 enodes
0.031 * * [simplify]: iteration complete: 12 enodes
0.031 * * [simplify]: Extracting #0: cost 1 inf + 0
0.031 * * [simplify]: Extracting #1: cost 3 inf + 0
0.031 * * [simplify]: Extracting #2: cost 4 inf + 1
0.031 * * [simplify]: Extracting #3: cost 7 inf + 1
0.031 * * [simplify]: Extracting #4: cost 0 inf + 709
0.031 * [simplify]: Simplified to:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.032 * * [progress]: iteration 1 / 4
0.032 * * * [progress]: picking best candidate
0.035 * * * * [pick]: Picked  #<alt (λ (x) (/ 2.0 (+ (exp x) (exp (- x)))))>
0.035 * * * [progress]: localizing error
0.044 * * * [progress]: generating rewritten candidates
0.044 * * * [progress]: generating series expansions
0.044 * * * [progress]: simplifying candidates
0.044 * [simplify]: Simplifying:
  
0.044 * * [simplify]: iteration 0: 0 enodes
0.044 * * [simplify]: iteration complete: 0 enodes
0.044 * * [simplify]: Extracting #0: cost 0 inf + 0
0.044 * [simplify]: Simplified to:
  
0.044 * * * [progress]: adding candidates to table
0.045 * [progress]: [Phase 3 of 3] Extracting.
0.048 * [simplify]: Simplifying:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.048 * * [simplify]: iteration 0: 7 enodes
0.048 * * [simplify]: iteration 1: 8 enodes
0.049 * * [simplify]: iteration complete: 8 enodes
0.049 * * [simplify]: Extracting #0: cost 1 inf + 0
0.049 * * [simplify]: Extracting #1: cost 3 inf + 0
0.049 * * [simplify]: Extracting #2: cost 4 inf + 1
0.049 * * [simplify]: Extracting #3: cost 6 inf + 1
0.049 * * [simplify]: Extracting #4: cost 0 inf + 708
0.049 * [simplify]: Simplified to:
  (/ 2.0 (+ (exp x) (exp (- x))))
1.163 * [regime-testing]: Baseline error score: 0.008991725528641803
1.173 * [regime-testing]: Oracle error score: 0.008991725528641803
1.173 * [regime-testing]: End program error score: 0.008991725528641803