Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:05:16 2013

Optimize a model with 566 rows, 5791 columns and 235314 nonzeros
Presolve removed 25 rows and 70 columns
Presolve time: 1.93s
Presolved: 541 rows, 5721 columns, 231559 nonzeros
Variable types: 0 continuous, 5721 integer (5721 binary)
Found heuristic solution: objective 3360.0000000

Root relaxation: objective 2.381083e+03, 1189 iterations, 0.15 seconds

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

     0     0 2381.08333    0   50 3360.00000 2381.08333  29.1%     -    2s
H    0     0                    2456.0000000 2381.08333  3.05%     -    2s
     0     0 2398.66667    0   23 2456.00000 2398.66667  2.33%     -    2s
H    0     0                    2445.0000000 2398.66667  1.90%     -    3s
     0     0 2398.66667    0   35 2445.00000 2398.66667  1.90%     -    3s
H    0     0                    2422.0000000 2398.66667  0.96%     -    3s
*    0     0               0    2399.0000000 2399.00000   0.0%     -    4s

Cutting planes:
  Clique: 6
  Zero half: 12

Explored 0 nodes (2813 simplex iterations) in 4.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.399000000000e+03, best bound 2.399000000000e+03, gap 0.0%