Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:12:37 2012

Optimize a model with 48740 rows, 44732 columns and 189898 nonzeros
Presolve removed 1268 rows and 2 columns
Presolve time: 1.23s
Presolved: 47683 rows, 44730 columns, 230804 nonzeros
Variable types: 0 continuous, 44730 integer (44730 binary)
Found heuristic solution: objective 211.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28820    3.0000832e+00   2.086000e+01   0.000000e+00      5s
   35732    3.0000863e+00   4.528777e+00   0.000000e+00     10s
   36334    3.0000000e+00   0.000000e+00   0.000000e+00     10s

Root relaxation: objective 3.000000e+00, 36334 iterations, 10.48 seconds
Total elapsed time = 37.10s
Total elapsed time = 40.12s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0   36  211.00000    3.00000  98.6%     -   40s
H    0     0                       3.0000000    3.00000   0.0%     -   40s

Explored 0 nodes (98828 simplex iterations) in 40.36 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%