Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:46:08 2013

Optimize a model with 221925 rows, 12100 columns and 671550 nonzeros
Presolve removed 25391 rows and 6261 columns
Presolve time: 3.26s
Presolved: 196534 rows, 5839 columns, 593133 nonzeros
Variable types: 33 continuous, 5806 integer (5806 binary)
Found heuristic solution: objective 301408.00000

Root relaxation: objective 2.539039e+05, 25309 iterations, 4.55 seconds

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

     0     0 253903.895    0   13 301408.000 253903.895  15.8%     -    9s
H    0     0                    253920.00000 253903.895  0.01%     -    9s

Explored 0 nodes (25567 simplex iterations) in 9.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.539200000000e+05, best bound 2.539040000000e+05, gap 0.0063%