0.263 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.055 * * * [progress]: [2/2] Setting up program.
0.059 * [progress]: [Phase 2 of 3] Improving.
0.059 * [simplify]: Simplifying:
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
0.059 * * [simplify]: iteration 0: 9 enodes
0.073 * * [simplify]: iteration 1: 15 enodes
0.076 * * [simplify]: iteration 2: 22 enodes
0.079 * * [simplify]: iteration 3: 30 enodes
0.084 * * [simplify]: iteration 4: 53 enodes
0.101 * * [simplify]: iteration 5: 117 enodes
0.156 * * [simplify]: iteration 6: 440 enodes
1.282 * * [simplify]: iteration 7: 3510 enodes
3.104 * * [simplify]: iteration complete: 5001 enodes
3.104 * * [simplify]: Extracting #0: cost 1 inf + 0
3.104 * * [simplify]: Extracting #1: cost 4 inf + 0
3.104 * * [simplify]: Extracting #2: cost 4 inf + 3
3.104 * * [simplify]: Extracting #3: cost 4 inf + 4
3.105 * * [simplify]: Extracting #4: cost 180 inf + 4
3.109 * * [simplify]: Extracting #5: cost 777 inf + 42
3.114 * * [simplify]: Extracting #6: cost 956 inf + 145
3.121 * * [simplify]: Extracting #7: cost 799 inf + 1540
3.128 * * [simplify]: Extracting #8: cost 169 inf + 15466
3.134 * * [simplify]: Extracting #9: cost 1 inf + 17242
3.143 * * [simplify]: Extracting #10: cost 0 inf + 16552
3.149 * * [simplify]: Extracting #11: cost 0 inf + 16534
3.159 * [simplify]: Simplified to:
  (- (/ 2.0 (+ 1.0 (pow (exp x) -2.0))) 1.0)
3.169 * * [progress]: iteration 1 / 4
3.169 * * * [progress]: picking best candidate