Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:11:16 2013

Optimize a model with 766 rows, 9285 columns and 431110 nonzeros
Presolve removed 21 rows and 0 columns
Presolve time: 0.55s
Presolved: 745 rows, 9285 columns, 430641 nonzeros
Variable types: 0 continuous, 9285 integer (9285 binary)
Found heuristic solution: objective 4142.0000000

Root relaxation: objective 3.434042e+03, 1778 iterations, 0.33 seconds

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

     0     0 3434.04167    0   43 4142.00000 3434.04167  17.1%     -    1s
H    0     0                    3452.0000000 3434.04167  0.52%     -    1s
     0     0 3440.55556    0   57 3452.00000 3440.55556  0.33%     -    1s
     0     0 3442.00000    0   26 3452.00000 3442.00000  0.29%     -    3s
*    0     0               0    3450.0000000 3450.00000   0.0%     -    3s

Cutting planes:
  Clique: 3

Explored 0 nodes (3823 simplex iterations) in 3.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.450000000000e+03, best bound 3.450000000000e+03, gap 0.0%