Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:56:51 2012

Optimize a model with 363 rows, 372 columns and 1277 nonzeros
Presolve removed 0 rows and 31 columns
Presolve time: 0.00s
Presolved: 363 rows, 341 columns, 1246 nonzeros
Variable types: 0 continuous, 341 integer (340 binary)
Found heuristic solution: objective 46.0000000

Root relaxation: objective 0.000000e+00, 198 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  119   46.00000    0.00000   100%     -    0s
H    0     0                      43.0000000    0.00000   100%     -    0s
     0     0    0.00000    0  120   43.00000    0.00000   100%     -    0s
H    0     0                      36.0000000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
     0     0    0.00000    0  120   26.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
     0     2    0.00000    0  119   18.00000    0.00000   100%     -    0s
H   27    11                       5.0000000    1.12984  77.4%  48.7    0s
*   28     6              17       4.0000000    1.12984  71.8%  48.9    0s

Cutting planes:
  Gomory: 1

Explored 41 nodes (2389 simplex iterations) in 0.10 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%