Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:48:44 2012

Optimize a model with 57343 rows, 50400 columns and 221310 nonzeros
Presolve removed 477 rows and 6050 columns
Presolve time: 1.51s
Presolved: 56866 rows, 44350 columns, 213634 nonzeros
Variable types: 0 continuous, 44350 integer (44350 binary)
Found heuristic solution: objective 224.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   34201    3.0000932e+00   1.902429e+03   0.000000e+00      5s
   40144    3.0001224e+00   2.776000e+02   0.000000e+00     10s
   45938    3.0001399e+00   1.692857e+02   0.000000e+00     15s
   51162    3.0001505e+00   1.596667e+02   0.000000e+00     20s
   55327    3.0001565e+00   1.021765e+02   0.000000e+00     25s
   56738    3.0000000e+00   0.000000e+00   0.000000e+00     27s

Root relaxation: objective 3.000000e+00, 56738 iterations, 27.31 seconds
Total elapsed time = 54.59s
Total elapsed time = 57.35s

    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%     -   59s

Explored 0 nodes (127891 simplex iterations) in 59.66 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%