Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:59:32 2012

Optimize a model with 361 rows, 375 columns and 1275 nonzeros
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 361 rows, 351 columns, 1251 nonzeros
Variable types: 0 continuous, 351 integer (350 binary)
Found heuristic solution: objective 71.0000000

Root relaxation: objective 0.000000e+00, 218 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  156   71.00000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
H    0     0                      35.0000000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
     0     0    0.21271    0  158   32.00000    0.21271  99.3%     -    0s
H    0     0                      27.0000000    0.21271  99.2%     -    0s
     0     0    0.84812    0  160   27.00000    0.84812  96.9%     -    0s
H    0     0                      16.0000000    0.84812  94.7%     -    0s
     0     0    0.84872    0  163   16.00000    0.84872  94.7%     -    0s
     0     0    0.84872    0  162   16.00000    0.84872  94.7%     -    0s
H    0     0                      11.0000000    0.84872  92.3%     -    0s
     0     2    0.85210    0  161   11.00000    0.85210  92.3%     -    0s
*   27     8              16       4.0000000    2.30769  42.3%  54.7    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 31 nodes (2437 simplex iterations) in 0.14 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%