Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:35:13 2012

Optimize a model with 54092 rows, 48180 columns and 209362 nonzeros
Presolve removed 440 rows and 2 columns
Presolve time: 1.32s
Presolved: 53871 rows, 48178 columns, 255738 nonzeros
Variable types: 0 continuous, 48178 integer (48178 binary)
Found heuristic solution: objective 219.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   34542    3.0000912e+00   4.140000e+01   0.000000e+00      5s
   38727    3.0000958e+00   2.577319e+02   0.000000e+00     10s
   42642    3.0000992e+00   8.493528e+01   0.000000e+00     15s
   46422    3.0001022e+00   9.217504e+01   0.000000e+00     20s
   50067    3.0001047e+00   1.865303e+02   0.000000e+00     25s
   53712    3.0001074e+00   1.706537e+01   0.000000e+00     30s
   57357    3.0001105e+00   3.257113e+00   0.000000e+00     35s
   58254    3.0000000e+00   0.000000e+00   0.000000e+00     36s

Root relaxation: objective 3.000000e+00, 58254 iterations, 36.41 seconds
Total elapsed time = 64.36s
Total elapsed time = 66.65s

    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%     -   68s

Explored 0 nodes (123908 simplex iterations) in 68.17 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%