Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:50:56 2012

Optimize a model with 43644 rows, 41412 columns and 171330 nonzeros
Presolve removed 1220 rows and 2 columns
Presolve time: 1.12s
Presolved: 42627 rows, 41410 columns, 209076 nonzeros
Variable types: 0 continuous, 41410 integer (41410 binary)
Found heuristic solution: objective 203.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30655    3.0000789e+00   2.910435e+01   0.000000e+00      5s
   37487    3.0000812e+00   2.470494e+01   0.000000e+00     10s
   39844    3.0000000e+00   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 3.000000e+00, 39844 iterations, 12.03 seconds
Total elapsed time = 27.01s

    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%     -   28s

Explored 0 nodes (86297 simplex iterations) in 28.58 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%