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

Optimize a model with 253 rows, 33 columns and 506 nonzeros
Presolve removed 161 rows and 0 columns
Presolve time: 0.00s
Presolved: 92 rows, 33 columns, 415 nonzeros
Variable types: 0 continuous, 33 integer (33 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 7.280000e+00, 49 iterations, 0.00 seconds

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

     0     0    7.28000    0   26    4.00000    7.28000  82.0%     -    0s
H    0     0                       5.0000000    7.28000  45.6%     -    0s
H    0     0                       6.0000000    7.28000  21.3%     -    0s
H    0     0                       7.0000000    7.28000  4.00%     -    0s

Explored 0 nodes (50 simplex iterations) in 0.00 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%