Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:25:22 2012

Optimize a model with 47195 rows, 43056 columns and 183607 nonzeros
Presolve removed 416 rows and 2 columns
Presolve time: 1.15s
Presolved: 46986 rows, 43054 columns, 224969 nonzeros
Variable types: 0 continuous, 43054 integer (43054 binary)
Found heuristic solution: objective 207.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28255    3.0000770e+00   4.330427e+01   0.000000e+00      5s
   33208    3.0000832e+00   1.444935e+01   0.000000e+00     10s
   37795    3.0000000e+00   0.000000e+00   0.000000e+00     15s

Root relaxation: objective 3.000000e+00, 37795 iterations, 15.02 seconds
Total elapsed time = 40.02s

    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%     -   42s

Explored 0 nodes (85016 simplex iterations) in 42.57 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%