Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:18:05 2012

Optimize a model with 47275 rows, 45156 columns and 185922 nonzeros
Presolve removed 1274 rows and 2 columns
Presolve time: 1.21s
Presolved: 46213 rows, 45154 columns, 227252 nonzeros
Variable types: 0 continuous, 45154 integer (45154 binary)
Found heuristic solution: objective 212.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   25837    3.0000758e+00   4.577778e+01   0.000000e+00      5s
   31381    3.0000775e+00   5.696181e+00   0.000000e+00     10s
   32317    3.0000000e+00   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 3.000000e+00, 32317 iterations, 10.63 seconds
Total elapsed time = 27.29s

    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%     -   27s

Explored 0 nodes (77143 simplex iterations) in 27.96 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%