Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:11:42 2013

Optimize a model with 861 rows, 10464 columns and 574078 nonzeros
Presolve time: 0.62s
Presolved: 861 rows, 10464 columns, 574088 nonzeros
Variable types: 0 continuous, 10464 integer (10464 binary)
Found heuristic solution: objective 7306.0000000
Found heuristic solution: objective 6089.0000000

Root relaxation: objective 4.745200e+03, 2710 iterations, 0.62 seconds

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

     0     0 4745.20000    0   48 6089.00000 4745.20000  22.1%     -    1s
H    0     0                    5650.0000000 4745.20000  16.0%     -    2s
H    0     0                    5280.0000000 4745.20000  10.1%     -    2s
*    0     0               0    4762.0000000 4762.00000   0.0%     -    2s

Cutting planes:
  Clique: 4
  Zero half: 7

Explored 0 nodes (4185 simplex iterations) in 2.84 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.762000000000e+03, best bound 4.762000000000e+03, gap 0.0%