Gurobi 5.0.1 (linux64) logging started Mon Feb  4 17:31:21 2013

Optimize a model with 1894 rows, 58070 columns and 3142329 nonzeros
Presolve removed 16 rows and 0 columns
Presolve time: 3.94s
Presolved: 1878 rows, 58070 columns, 3141837 nonzeros
Variable types: 0 continuous, 58070 integer (58070 binary)
Found heuristic solution: objective 29682.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7689    2.1811561e+04   6.394490e+02   0.000000e+00      5s
   11064    2.2125305e+04   1.482605e+03   0.000000e+00     10s
   13494    2.2179652e+04   4.586112e+02   0.000000e+00     15s
   15654    2.2194034e+04   8.643846e+01   0.000000e+00     20s
   16211    2.2197000e+04   0.000000e+00   0.000000e+00     22s

Root relaxation: objective 2.219700e+04, 16211 iterations, 21.66 seconds

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

*    0     0               0    22197.000000 22197.0000   0.0%     -   26s

Explored 0 nodes (16211 simplex iterations) in 26.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.219700000000e+04, best bound 2.219700000000e+04, gap 0.0%