Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:29:02 2012

Optimize a model with 45135 rows, 43472 columns and 177838 nonzeros
Presolve removed 450 rows and 6658 columns
Presolve time: 1.11s
Presolved: 44685 rows, 36814 columns, 169712 nonzeros
Variable types: 0 continuous, 36814 integer (36814 binary)
Found heuristic solution: objective 208.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28079    3.0000794e+00   3.520000e+01   0.000000e+00      5s
   34155    3.0000813e+00   2.764630e+01   0.000000e+00     10s
   36633    3.0000000e+00   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 3.000000e+00, 36633 iterations, 11.91 seconds
Total elapsed time = 27.79s

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

*    0     0               0       3.0000000    3.00000   0.0%     -   29s

Explored 0 nodes (95754 simplex iterations) in 29.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%