Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:21:20 2013

Optimize a model with 1561 rows, 441 columns and 4851 nonzeros
Presolve removed 395 rows and 228 columns
Presolve time: 0.01s
Presolved: 1166 rows, 213 columns, 3744 nonzeros
Variable types: 14 continuous, 199 integer (199 binary)
Found heuristic solution: objective 7291.0000000

Root relaxation: objective 4.788727e+03, 1375 iterations, 0.02 seconds

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

     0     0 4788.72727    0    5 7291.00000 4788.72727  34.3%     -    0s
H    0     0                    4798.0000000 4788.72727  0.19%     -    0s
     0     0 4793.26141    0    9 4798.00000 4793.26141  0.10%     -    0s
     0     0 4793.26141    0    5 4798.00000 4793.26141  0.10%     -    0s
     0     0 4793.26141    0    9 4798.00000 4793.26141  0.10%     -    0s
     0     0 4796.36024    0   12 4798.00000 4796.36024  0.03%     -    0s
     0     1 4796.38848    0   12 4798.00000 4796.38848  0.03%     -    0s

Explored 3 nodes (1440 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.798000000000e+03, best bound 4.798000000000e+03, gap 0.0%