Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:30:19 2012

Optimize a model with 58385 rows, 49506 columns and 223552 nonzeros
Presolve removed 446 rows and 2 columns
Presolve time: 1.38s
Presolved: 58161 rows, 49504 columns, 271204 nonzeros
Variable types: 0 continuous, 49504 integer (49504 binary)
Found heuristic solution: objective 222.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   36950    3.0000930e+00   7.340815e+01   0.000000e+00      5s
   40170    3.0000976e+00   4.815750e+01   0.000000e+00     10s
   43810    3.0001016e+00   2.061333e+02   0.000000e+00     15s
   47310    3.0001049e+00   5.443014e+01   0.000000e+00     20s
   49897    3.0000000e+00   0.000000e+00   0.000000e+00     24s

Root relaxation: objective 3.000000e+00, 49897 iterations, 24.09 seconds
Total elapsed time = 53.03s
Total elapsed time = 60.52s

    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%     -   64s

Explored 0 nodes (151698 simplex iterations) in 64.48 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%