Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:15:48 2013

Optimize a model with 1004 rows, 15976 columns and 791375 nonzeros
Presolve removed 9 rows and 0 columns
Presolve time: 1.11s
Presolved: 995 rows, 15976 columns, 791285 nonzeros
Variable types: 0 continuous, 15976 integer (15976 binary)
Found heuristic solution: objective 8417.0000000

Root relaxation: objective 6.035250e+03, 3259 iterations, 0.93 seconds

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

     0     0 6035.25000    0   50 8417.00000 6035.25000  28.3%     -    2s
H    0     0                    7270.0000000 6035.25000  17.0%     -    2s
H    0     0                    6412.0000000 6035.25000  5.88%     -    3s
H    0     0                    6058.0000000 6035.25000  0.38%     -    3s
*    0     0               0    6040.0000000 6040.00000   0.0%     -    3s

Cutting planes:
  Clique: 8
  Zero half: 12

Explored 0 nodes (3654 simplex iterations) in 3.60 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.040000000000e+03, best bound 6.040000000000e+03, gap 0.0%