Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:11 2012

Optimize a model with 171 rows, 27 columns and 342 nonzeros
Presolve removed 114 rows and 1 columns
Presolve time: 0.00s
Presolved: 57 rows, 26 columns, 240 nonzeros
Variable types: 0 continuous, 26 integer (26 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 7.000000e+00, 16 iterations, 0.00 seconds

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

*    0     0               0       7.0000000    7.00000   0.0%     -    0s

Explored 0 nodes (16 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%