Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:12:55 2013

Optimize a model with 696 rows, 256 columns and 2176 nonzeros
Presolve removed 124 rows and 124 columns
Presolve time: 0.00s
Presolved: 572 rows, 132 columns, 1872 nonzeros
Variable types: 12 continuous, 120 integer (120 binary)
Found heuristic solution: objective 5923.0000000

Root relaxation: objective 4.843032e+03, 35 iterations, 0.00 seconds

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

     0     0 4843.03226    0    5 5923.00000 4843.03226  18.2%     -    0s
     0     0 4846.94657    0    5 5923.00000 4846.94657  18.2%     -    0s
H    0     0                    4853.0000000 4846.94657  0.12%     -    0s
     0     0 4847.34116    0   10 4853.00000 4847.34116  0.12%     -    0s
     0     0 4847.34116    0    5 4853.00000 4847.34116  0.12%     -    0s
     0     0 4848.44100    0    9 4853.00000 4848.44100  0.09%     -    0s
     0     0 4851.57330    0    9 4853.00000 4851.57330  0.03%     -    0s
     0     0 4851.66667    0    4 4853.00000 4851.66667  0.03%     -    0s

Cutting planes:
  Implied bound: 1
  MIR: 3

Explored 0 nodes (75 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.853000000000e+03, best bound 4.853000000000e+03, gap 0.0%