Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:46:20 2013

Optimize a model with 1626 rows, 40450 columns and 2277590 nonzeros
Presolve removed 47 rows and 0 columns
Presolve time: 2.81s
Presolved: 1579 rows, 40450 columns, 2271933 nonzeros
Variable types: 0 continuous, 40450 integer (40450 binary)
Found heuristic solution: objective 21134.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7440    1.6269200e+04   1.386836e+03   0.000000e+00      5s
    9931    1.6316000e+04   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 1.631600e+04, 9931 iterations, 8.32 seconds

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

*    0     0               0    16316.000000 16316.0000   0.0%     -   11s

Explored 0 nodes (9931 simplex iterations) in 11.52 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.631599999993e+04, best bound 1.631599999993e+04, gap 0.0%