Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:38:03 2012

Optimize a model with 62287 rows, 52670 columns and 238387 nonzeros
Presolve removed 478 rows and 4124 columns
Presolve time: 1.66s
Presolved: 61809 rows, 48546 columns, 232580 nonzeros
Variable types: 0 continuous, 48546 integer (48546 binary)
Found heuristic solution: objective 229.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   38216    3.0000917e+00   8.900000e+02   0.000000e+00      5s
   42634    3.0001182e+00   6.786000e+02   0.000000e+00     10s
   47051    3.0001364e+00   2.377500e+02   0.000000e+00     15s
   51543    3.0001507e+00   2.243833e+02   0.000000e+00     20s
   56295    3.0001614e+00   7.422740e+01   0.000000e+00     25s
   59338    3.0000000e+00   0.000000e+00   0.000000e+00     29s

Root relaxation: objective 3.000000e+00, 59338 iterations, 29.20 seconds
Total elapsed time = 64.67s
Total elapsed time = 67.74s

    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%     -   69s

Explored 0 nodes (129829 simplex iterations) in 69.57 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%