Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:13:58 2013

Optimize a model with 799 rows, 11193 columns and 487276 nonzeros
Presolve removed 8 rows and 8 columns
Presolve time: 3.85s
Presolved: 791 rows, 11185 columns, 486700 nonzeros
Variable types: 0 continuous, 11185 integer (11185 binary)
Found heuristic solution: objective 7144.0000000
Found heuristic solution: objective 5910.0000000

Root relaxation: objective 4.312750e+03, 2664 iterations, 0.60 seconds

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

     0     0 4312.75000    0   68 5910.00000 4312.75000  27.0%     -    4s
H    0     0                    4479.0000000 4312.75000  3.71%     -    5s
     0     0 4390.00000    0   40 4479.00000 4390.00000  1.99%     -    6s
H    0     0                    4449.0000000 4390.00000  1.33%     -    7s
     0     0 4390.00000    0   34 4449.00000 4390.00000  1.33%     -    8s
     0     0 4390.00000    0   39 4449.00000 4390.00000  1.33%     -    9s
     0     2 4396.25000    0   39 4449.00000 4396.25000  1.19%     -   11s
     2     3 4396.25000    0   40 4449.00000 4396.25000  1.19%   268   15s
*    5     4              10    4404.0000000 4404.00000   0.0%   107   17s

Cutting planes:
  Gomory: 1
  Clique: 12
  Zero half: 4

Explored 5 nodes (13342 simplex iterations) in 17.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.404000000000e+03, best bound 4.404000000000e+03, gap 0.0%