3.202 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
1.039 * * * [progress]: [2/2] Setting up program.
1.048 * [progress]: [Phase 2 of 3] Improving.
1.048 * [simplify]: Simplifying:
  (+ (+ (+ (- (sqrt (+ x 1.0)) (sqrt x)) (- (sqrt (+ y 1.0)) (sqrt y))) (- (sqrt (+ z 1.0)) (sqrt z))) (- (sqrt (+ t 1.0)) (sqrt t)))
1.048 * * [simplify]: iteration 0: 24 enodes
1.052 * * [simplify]: iteration 1: 51 enodes
1.062 * * [simplify]: iteration 2: 155 enodes
1.171 * * [simplify]: iteration 3: 897 enodes
2.602 * * [simplify]: iteration complete: 5001 enodes
2.602 * * [simplify]: Extracting #0: cost 1 inf + 0
2.607 * * [simplify]: Extracting #1: cost 366 inf + 0
2.612 * * [simplify]: Extracting #2: cost 1316 inf + 0
2.620 * * [simplify]: Extracting #3: cost 1332 inf + 36
2.631 * * [simplify]: Extracting #4: cost 1291 inf + 244
2.641 * * [simplify]: Extracting #5: cost 944 inf + 5006
2.647 * * [simplify]: Extracting #6: cost 161 inf + 19568
2.654 * * [simplify]: Extracting #7: cost 3 inf + 22787
2.661 * * [simplify]: Extracting #8: cost 0 inf + 22847
2.669 * [simplify]: Simplified to:
  (+ (- (sqrt (+ 1.0 x)) (sqrt x)) (+ (+ (- (sqrt (+ z 1.0)) (sqrt z)) (- (sqrt (+ t 1.0)) (sqrt t))) (- (sqrt (+ 1.0 y)) (sqrt y))))
2.684 * * [progress]: iteration 1 / 4
2.684 * * * [progress]: picking best candidate