49.162 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.028 * [simplify]: Simplifying:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.028 * * [simplify]: iteration 0: 7 enodes
0.030 * * [simplify]: iteration 1: 10 enodes
0.032 * * [simplify]: iteration 2: 12 enodes
0.035 * * [simplify]: iteration complete: 12 enodes
0.035 * * [simplify]: Extracting #0: cost 1 inf + 0
0.035 * * [simplify]: Extracting #1: cost 3 inf + 0
0.035 * * [simplify]: Extracting #2: cost 4 inf + 1
0.035 * * [simplify]: Extracting #3: cost 7 inf + 1
0.035 * * [simplify]: Extracting #4: cost 0 inf + 709
0.035 * [simplify]: Simplified to:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.036 * * [progress]: iteration 1 / 4
0.036 * * * [progress]: picking best candidate
0.043 * * * * [pick]: Picked  #<alt (λ (x) (/ 2.0 (+ (exp x) (exp (- x)))))>
0.043 * * * [progress]: localizing error
0.060 * * * [progress]: generating rewritten candidates
0.060 * * * [progress]: generating series expansions
0.060 * * * [progress]: simplifying candidates
0.060 * [simplify]: Simplifying:
  
0.060 * * [simplify]: iteration 0: 0 enodes
0.060 * * [simplify]: iteration complete: 0 enodes
0.061 * * [simplify]: Extracting #0: cost 0 inf + 0
0.061 * [simplify]: Simplified to:
  
0.061 * * * [progress]: adding candidates to table
0.061 * [progress]: [Phase 3 of 3] Extracting.
0.069 * [simplify]: Simplifying:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.069 * * [simplify]: iteration 0: 7 enodes
0.069 * * [simplify]: iteration 1: 8 enodes
0.070 * * [simplify]: iteration complete: 8 enodes
0.070 * * [simplify]: Extracting #0: cost 1 inf + 0
0.070 * * [simplify]: Extracting #1: cost 3 inf + 0
0.070 * * [simplify]: Extracting #2: cost 4 inf + 1
0.070 * * [simplify]: Extracting #3: cost 6 inf + 1
0.070 * * [simplify]: Extracting #4: cost 0 inf + 708
0.070 * [simplify]: Simplified to:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.907 * [regime-testing]: Baseline error score: 0.008991725528641803
0.924 * [regime-testing]: Oracle error score: 0.008991725528641803
0.924 * [regime-testing]: End program error score: 0.008991725528641803