Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:32:47 2013

Optimize a model with 1419 rows, 31237 columns and 1696405 nonzeros
Presolve removed 16 rows and 0 columns
Presolve time: 1.41s
Presolved: 1403 rows, 31237 columns, 1695915 nonzeros
Variable types: 0 continuous, 31237 integer (31237 binary)
Found heuristic solution: objective 14346.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7211    1.1331082e+04   3.819072e+01   0.000000e+00      5s
    7460    1.1332500e+04   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 1.133250e+04, 7460 iterations, 5.47 seconds

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

     0     0 11332.5000    0   68 14346.0000 11332.5000  21.0%     -    7s
H    0     0                    11562.000000 11332.5000  1.98%     -    9s
H    0     0                    11459.000000 11332.5000  1.10%     -   11s
*    0     0               0    11335.000000 11335.0000   0.0%     -   12s

Cutting planes:
  Clique: 6
  Zero half: 16

Explored 0 nodes (8471 simplex iterations) in 12.60 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.133500000000e+04, best bound 1.133500000000e+04, gap 0.0%