Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:41 2013

Optimize a model with 18 rows, 16 columns and 48 nonzeros
Presolve removed 6 rows and 6 columns
Presolve time: 0.00s
Presolved: 12 rows, 10 columns, 36 nonzeros
Variable types: 4 continuous, 6 integer (6 binary)

Root relaxation: objective 1.890000e+02, 3 iterations, 0.00 seconds

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

     0     0  189.00000    0    2          -  189.00000     -      -    0s
H    0     0                     273.0000000  189.00000  30.8%     -    0s
H    0     0                     268.0000000  189.00000  29.5%     -    0s
     0     0  219.00000    0    1  268.00000  219.00000  18.3%     -    0s
     0     0  240.67480    0    2  268.00000  240.67480  10.2%     -    0s
     0     0  245.47863    0    2  268.00000  245.47863  8.40%     -    0s
     0     0  268.00000    0    2  268.00000  268.00000   0.0%     -    0s

Cutting planes:
  MIR: 6

Explored 1 nodes (15 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.680000000000e+02, best bound 2.680000000000e+02, gap 0.0%