Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:36 2013

Optimize a model with 263 rows, 502 columns and 27352 nonzeros
Presolve removed 27 rows and 50 columns
Presolve time: 0.21s
Presolved: 236 rows, 452 columns, 22965 nonzeros
Variable types: 0 continuous, 452 integer (452 binary)
Found heuristic solution: objective 503.0000000
Found heuristic solution: objective 463.0000000

Root relaxation: objective 3.680000e+02, 48 iterations, 0.00 seconds

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

     0     0  368.00000    0    8  463.00000  368.00000  20.5%     -    0s
H    0     0                     392.0000000  368.00000  6.12%     -    0s
     0     0     cutoff    0       392.00000  391.00039  0.26%     -    0s

Cutting planes:
  Clique: 1
  Zero half: 1

Explored 0 nodes (82 simplex iterations) in 0.24 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.920000000000e+02, best bound 3.920000000000e+02, gap 0.0%