Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:57:29 2012

Optimize a model with 48509 rows, 44310 columns and 188788 nonzeros
Presolve removed 1052 rows and 2 columns
Presolve time: 1.35s
Presolved: 47667 rows, 44308 columns, 229916 nonzeros
Variable types: 0 continuous, 44308 integer (44308 binary)
Found heuristic solution: objective 210.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27659    3.0000811e+00   3.480000e+01   0.000000e+00      5s
   32267    3.0000848e+00   3.219196e+02   0.000000e+00     10s
   36363    3.0000890e+00   9.100000e+01   0.000000e+00     15s
   36790    3.0000000e+00   0.000000e+00   0.000000e+00     15s

Root relaxation: objective 3.000000e+00, 36790 iterations, 15.42 seconds

    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%     -   31s

Explored 0 nodes (68096 simplex iterations) in 31.92 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%