Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:41:43 2013

Optimize a model with 1496 rows, 35788 columns and 1908280 nonzeros
Presolve removed 12 rows and 0 columns
Presolve time: 1.84s
Presolved: 1484 rows, 35788 columns, 1908001 nonzeros
Variable types: 0 continuous, 35788 integer (35788 binary)
Found heuristic solution: objective 16261.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7335    1.2816090e+04   4.450620e+02   0.000000e+00      5s
    8794    1.2835750e+04   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 1.283575e+04, 8794 iterations, 7.13 seconds

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

     0     0 12835.7500    0  101 16261.0000 12835.7500  21.1%     -   10s
H    0     0                    12917.000000 12835.7500  0.63%     -   12s
*    0     0               0    12858.000000 12858.0000   0.0%     -   16s

Cutting planes:
  Clique: 22
  Zero half: 44

Explored 0 nodes (10581 simplex iterations) in 16.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.285800000000e+04, best bound 1.285800000000e+04, gap 0.0%