Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:54 2013

Optimize a model with 518 rows, 2942 columns and 170619 nonzeros
Presolve removed 16 rows and 510 columns
Presolve time: 0.48s
Presolved: 502 rows, 2432 columns, 166801 nonzeros
Variable types: 0 continuous, 2432 integer (2432 binary)
Found heuristic solution: objective 1935.0000000
Found heuristic solution: objective 1586.0000000

Root relaxation: objective 1.430500e+03, 556 iterations, 0.04 seconds

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

     0     0 1430.50000    0   14 1586.00000 1430.50000  9.80%     -    0s
H    0     0                    1533.0000000 1430.50000  6.69%     -    0s
*    0     0               0    1448.0000000 1448.00000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 1
  Zero half: 4

Explored 0 nodes (647 simplex iterations) in 0.77 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.448000000000e+03, best bound 1.448000000000e+03, gap 0.0%