Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:19 2012

Optimize a model with 615 rows, 210 columns and 1986 nonzeros
Presolve removed 310 rows and 2 columns
Presolve time: 0.01s
Presolved: 305 rows, 208 columns, 1340 nonzeros
Variable types: 0 continuous, 208 integer (208 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 4.000000e+00, 268 iterations, 0.00 seconds

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

     0     0    4.00000    0   10   14.00000    4.00000  71.4%     -    0s
H    0     0                       5.0000000    4.00000  20.0%     -    0s
H    0     0                       4.0000000    4.00000   0.0%     -    0s

Explored 0 nodes (507 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%