Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:54:45 2012

Optimize a model with 19151 rows, 23256 columns and 79950 nonzeros
Presolve removed 338 rows and 4866 columns
Presolve time: 0.43s
Presolved: 18813 rows, 18390 columns, 74078 nonzeros
Variable types: 0 continuous, 18390 integer (18390 binary)
Found heuristic solution: objective 152.0000000

Root relaxation: objective 3.000000e+00, 15310 iterations, 1.42 seconds
Total elapsed time = 5.79s

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

     0     0    3.00000    0   34  152.00000    3.00000  98.0%     -    6s
H    0     0                       3.0000000    3.00000   0.0%     -    6s

Explored 0 nodes (39224 simplex iterations) in 6.05 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%