Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:43 2012

Optimize a model with 234 rows, 69 columns and 468 nonzeros
Presolve removed 67 rows and 0 columns
Presolve time: 0.00s
Presolved: 167 rows, 69 columns, 382 nonzeros
Variable types: 0 continuous, 69 integer (69 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 2.750000e+01, 128 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   27.50000    0   62   25.00000   27.50000  10.0%     -    0s
     0     0   27.00000    0   63   25.00000   27.00000  8.00%     -    0s
     0     0   26.85714    0   67   25.00000   26.85714  7.43%     -    0s
     0     0   26.67647    0   67   25.00000   26.67647  6.71%     -    0s
     0     0   26.58743    0   68   25.00000   26.58743  6.35%     -    0s
     0     0   26.27907    0   61   25.00000   26.27907  5.12%     -    0s
     0     0   26.21429    0   64   25.00000   26.21429  4.86%     -    0s
     0     0   26.00000    0   58   25.00000   26.00000  4.00%     -    0s
     0     0   26.00000    0   61   25.00000   26.00000  4.00%     -    0s
     0     0   26.00000    0   28   25.00000   26.00000  4.00%     -    0s
     0     2   26.00000    0   24   25.00000   26.00000  4.00%     -    0s

Explored 3 nodes (522 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%