Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:58:17 2012

Optimize a model with 48755 rows, 41820 columns and 187066 nonzeros
Presolve removed 410 rows and 2 columns
Presolve time: 1.18s
Presolved: 48549 rows, 41818 columns, 227188 nonzeros
Variable types: 0 continuous, 41818 integer (41818 binary)
Found heuristic solution: objective 204.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30900    3.0000826e+00   1.096247e+02   0.000000e+00      5s
   35415    3.0000888e+00   1.613806e+02   0.000000e+00     10s
   39801    3.0000937e+00   3.266325e+01   0.000000e+00     15s
   43800    3.0000982e+00   1.175924e+01   0.000000e+00     20s
   47799    3.0001019e+00   3.314545e+02   0.000000e+00     25s
   51561    3.0000000e+00   0.000000e+00   0.000000e+00     30s

Root relaxation: objective 3.000000e+00, 51561 iterations, 29.99 seconds
Total elapsed time = 50.17s

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

     0     0    3.00000    0  184  204.00000    3.00000  98.5%     -   52s
H    0     0                       3.0000000    3.00000   0.0%     -   52s

Explored 0 nodes (103422 simplex iterations) in 52.39 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%