Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:35 2012

Optimize a model with 27 rows, 28 columns and 93 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 27 rows, 26 columns, 91 nonzeros
Variable types: 0 continuous, 26 integer (25 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 0.000000e+00, 17 iterations, 0.00 seconds

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

     0     0    0.00000    0   12    4.00000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     0    0.25000    0   14    2.00000    0.25000  87.5%     -    0s
     0     0    0.93878    0   15    2.00000    0.93878  53.1%     -    0s

Cutting planes:
  Gomory: 3
  Mod-K: 3

Explored 0 nodes (59 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%