Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:24:39 2013

Optimize a model with 1793 rows, 484 columns and 5566 nonzeros
Presolve removed 453 rows and 253 columns
Presolve time: 0.01s
Presolved: 1340 rows, 231 columns, 4226 nonzeros
Variable types: 11 continuous, 220 integer (220 binary)
Found heuristic solution: objective 9966.0000000

Root relaxation: objective 7.487914e+03, 1031 iterations, 0.02 seconds

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

     0     0 7487.91435    0    4 9966.00000 7487.91435  24.9%     -    0s
H    0     0                    7500.0000000 7487.91435  0.16%     -    0s
H    0     0                    7496.0000000 7487.91435  0.11%     -    0s
H    0     0                    7493.0000000 7487.91435  0.07%     -    0s
     0     0 7490.00000    0    4 7493.00000 7490.00000  0.04%     -    0s
     0     0 7490.00000    0    3 7493.00000 7490.00000  0.04%     -    0s
     0     0     cutoff    0      7493.00000 7492.00749  0.01%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 2
  Implied bound: 2
  Clique: 1
  MIR: 5

Explored 0 nodes (1070 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.493000000000e+03, best bound 7.493000000000e+03, gap 0.0%