Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:26 2012

Optimize a model with 1529 rows, 930 columns and 5368 nonzeros
Presolve removed 242 rows and 2 columns
Presolve time: 0.07s
Presolved: 1287 rows, 928 columns, 4742 nonzeros
Variable types: 0 continuous, 928 integer (928 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 3.000000e+00, 1026 iterations, 0.03 seconds

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

     0     0    3.00000    0   24   30.00000    3.00000  90.0%     -    0s
H    0     0                      27.0000000    3.00000  88.9%     -    0s
H    0     0                       4.0000000    3.00000  25.0%     -    0s
*    0     0               0       3.0000000    3.00000   0.0%     -    0s

Cutting planes:
  Gomory: 2

Explored 0 nodes (3320 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%