Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:53 2013

Optimize a model with 417 rows, 3404 columns and 109035 nonzeros
Presolve removed 15 rows and 23 columns
Presolve time: 0.31s
Presolved: 402 rows, 3381 columns, 108328 nonzeros
Variable types: 0 continuous, 3381 integer (3381 binary)
Found heuristic solution: objective 2217.0000000
Found heuristic solution: objective 1868.0000000

Root relaxation: objective 1.364333e+03, 570 iterations, 0.04 seconds

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

     0     0 1364.33333    0   32 1868.00000 1364.33333  27.0%     -    0s
H    0     0                    1463.0000000 1364.33333  6.74%     -    0s
     0     0 1384.00000    0   32 1463.00000 1384.00000  5.40%     -    0s
     0     0 1384.00000    0   26 1463.00000 1384.00000  5.40%     -    1s
     0     0 1390.57143    0   31 1463.00000 1390.57143  4.95%     -    1s
*    0     0               0    1392.0000000 1392.00000   0.0%     -    1s

Cutting planes:
  Gomory: 2
  Clique: 12
  Zero half: 18

Explored 0 nodes (1621 simplex iterations) in 1.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.392000000000e+03, best bound 1.392000000000e+03, gap 0.0%