Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:52:42 2013

Optimize a model with 1497 rows, 38382 columns and 1898618 nonzeros
Presolve removed 62 rows and 485 columns (presolve time = 5s) ...
Presolve removed 62 rows and 485 columns
Presolve time: 5.31s
Presolved: 1435 rows, 37897 columns, 1869150 nonzeros
Variable types: 0 continuous, 37897 integer (37897 binary)
Found heuristic solution: objective 21575.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7917    1.3650837e+04   7.928018e+02   0.000000e+00      5s
    8869    1.3667000e+04   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.366700e+04, 8869 iterations, 6.37 seconds

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

*    0     0               0    13667.000000 13667.0000   0.0%     -   11s

Explored 0 nodes (8869 simplex iterations) in 11.98 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.366700000000e+04, best bound 1.366700000000e+04, gap 0.0%