Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:30 2013

Optimize a model with 2752 rows, 2592 columns and 10272 nonzeros
Presolve removed 16 rows and 0 columns
Presolve time: 0.01s
Presolved: 2736 rows, 2592 columns, 10256 nonzeros
Variable types: 2576 continuous, 16 integer (16 binary)

Root relaxation: objective 1.873262e+04, 396 iterations, 0.02 seconds

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

     0     0 18732.6173    0    9          - 18732.6173     -      -    0s
H    0     0                    19303.000000 18732.6173  2.95%     -    0s
*    0     0               0    19175.000000 19175.0000   0.0%     -    0s

Cutting planes:
  Gomory: 6
  Implied bound: 9

Explored 0 nodes (517 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.917500000000e+04, best bound 1.917500000000e+04, gap 0.0%