Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:44:25 2012

Optimize a model with 31151 rows, 31506 columns and 124075 nonzeros
Presolve removed 710 rows and 2 columns
Presolve time: 0.74s
Presolved: 30618 rows, 31504 columns, 153290 nonzeros
Variable types: 0 continuous, 31504 integer (31504 binary)
Found heuristic solution: objective 177.0000000

Root relaxation: objective 3.000000e+00, 24096 iterations, 4.11 seconds
Total elapsed time = 13.23s
Total elapsed time = 15.68s

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

     0     0    3.00000    0  136  177.00000    3.00000  98.3%     -   17s
H    0     0                       3.0000000    3.00000   0.0%     -   17s

Explored 0 nodes (78867 simplex iterations) in 17.30 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%