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

Optimize a model with 324 rows, 37 columns and 648 nonzeros
Presolve removed 212 rows and 0 columns
Presolve time: 0.00s
Presolved: 112 rows, 37 columns, 555 nonzeros
Variable types: 0 continuous, 37 integer (37 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 8.153846e+00, 59 iterations, 0.00 seconds

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

     0     0    8.15385    0   28    7.00000    8.15385  16.5%     -    0s
     0     0 infeasible    0         7.00000    7.99999  14.3%     -    0s

Explored 0 nodes (68 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%