Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:51:29 2013

Optimize a model with 10700 rows, 1600 columns and 32800 nonzeros
Presolve removed 3081 rows and 877 columns
Presolve time: 0.07s
Presolved: 7619 rows, 723 columns, 23188 nonzeros
Variable types: 9 continuous, 714 integer (714 binary)
Found heuristic solution: objective 35540.000000

Root relaxation: objective 3.093420e+04, 1371 iterations, 0.05 seconds

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

     0     0 30934.2000    0    3 35540.0000 30934.2000  13.0%     -    0s
H    0     0                    30947.000000 30934.2000  0.04%     -    0s
H    0     0                    30936.000000 30934.2000  0.01%     -    0s

Explored 0 nodes (1373 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.093600000000e+04, best bound 3.093500000000e+04, gap 0.0032%