Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:18:29 2013

Optimize a model with 1130 rows, 19247 columns and 1035172 nonzeros
Presolve removed 12 rows and 23 columns
Presolve time: 1.51s
Presolved: 1118 rows, 19224 columns, 1033851 nonzeros
Variable types: 0 continuous, 19224 integer (19224 binary)
Found heuristic solution: objective 8831.0000000

Root relaxation: objective 7.349000e+03, 4308 iterations, 1.75 seconds

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

     0     0 7349.00000    0   52 8831.00000 7349.00000  16.8%     -    4s
H    0     0                    8491.0000000 7349.00000  13.4%     -    4s
H    0     0                    8009.0000000 7349.00000  8.24%     -   11s
     0     0 7362.50000    0   36 8009.00000 7362.50000  8.07%     -   12s
     0     0 7365.00000    0   39 8009.00000 7365.00000  8.04%     -   13s
H    0     0                    7367.0000000 7365.00000  0.03%     -   14s
     0     0     cutoff    0      7367.00000 7366.00737  0.01%     -   14s

Cutting planes:
  Clique: 4
  Zero half: 7

Explored 0 nodes (5691 simplex iterations) in 14.66 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.367000000000e+03, best bound 7.367000000000e+03, gap 0.0%