Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:12 2012

Optimize a model with 323 rows, 37 columns and 646 nonzeros
Presolve removed 227 rows and 0 columns
Presolve time: 0.00s
Presolved: 96 rows, 37 columns, 467 nonzeros
Variable types: 0 continuous, 37 integer (37 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 7.879102e+00, 64 iterations, 0.00 seconds

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

     0     0    7.87910    0   30    5.00000    7.87910  57.6%     -    0s
H    0     0                       7.0000000    7.87910  12.6%     -    0s

Explored 0 nodes (66 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%