Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:20 2013

Optimize a model with 232 rows, 446 columns and 1490 nonzeros
Presolve removed 160 rows and 303 columns
Presolve time: 0.01s
Presolved: 72 rows, 143 columns, 413 nonzeros
Variable types: 80 continuous, 63 integer (63 binary)
Found heuristic solution: objective 5507.2686356

Root relaxation: objective 5.503918e+03, 7 iterations, 0.00 seconds

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

     0     0 5503.91827    0    1 5507.26864 5503.91827  0.06%     -    0s
H    0     0                    5503.9213056 5503.91827  0.00%     -    0s

Explored 0 nodes (15 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.503921305563e+03, best bound 5.503918272247e+03, gap 0.0001%