Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:18:40 2012

Optimize a model with 48547 rows, 45156 columns and 189738 nonzeros
Presolve removed 426 rows and 2 columns
Presolve time: 1.20s
Presolved: 48333 rows, 45154 columns, 233168 nonzeros
Variable types: 0 continuous, 45154 integer (45154 binary)
Found heuristic solution: objective 212.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27772    3.0000814e+00   1.290625e+01   0.000000e+00      5s
   33190    3.0000839e+00   8.032847e+00   0.000000e+00     10s
   37018    3.0000000e+00   0.000000e+00   0.000000e+00     14s

Root relaxation: objective 3.000000e+00, 37018 iterations, 14.08 seconds
Total elapsed time = 34.61s
Total elapsed time = 37.46s

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

     0     0    3.00000    0   42  212.00000    3.00000  98.6%     -   38s
H    0     0                       3.0000000    3.00000   0.0%     -   38s

Explored 0 nodes (102475 simplex iterations) in 38.65 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%