Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:10:51 2013

Optimize a model with 687 rows, 7574 columns and 334600 nonzeros
Presolve removed 69 rows and 272 columns
Presolve time: 2.12s
Presolved: 618 rows, 7302 columns, 321787 nonzeros
Variable types: 0 continuous, 7302 integer (7302 binary)
Found heuristic solution: objective 4811.0000000
Found heuristic solution: objective 3674.0000000

Root relaxation: objective 2.947000e+03, 1247 iterations, 0.18 seconds

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

     0     0 2947.00000    0   26 3674.00000 2947.00000  19.8%     -    2s
H    0     0                    3518.0000000 2947.00000  16.2%     -    2s
H    0     0                    3083.0000000 2947.00000  4.41%     -    2s
*    0     0               0    2984.0000000 2984.00000   0.0%     -    2s

Cutting planes:
  Clique: 5
  Zero half: 5

Explored 0 nodes (1699 simplex iterations) in 2.84 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.984000000000e+03, best bound 2.984000000000e+03, gap 0.0%