Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:54 2012

Optimize a model with 311 rows, 316 columns and 1091 nonzeros
Presolve removed 0 rows and 19 columns
Presolve time: 0.00s
Presolved: 311 rows, 297 columns, 1072 nonzeros
Variable types: 0 continuous, 297 integer (296 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 0.000000e+00, 190 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  124   54.00000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
H    0     0                      39.0000000    0.00000   100%     -    0s
H    0     0                      35.0000000    0.00000   100%     -    0s
     0     0    0.29957    0  126   35.00000    0.29957  99.1%     -    0s
H    0     0                      32.0000000    0.29957  99.1%     -    0s
     0     0    0.85815    0  129   32.00000    0.85815  97.3%     -    0s
H    0     0                      21.0000000    0.85815  95.9%     -    0s
H    0     0                      16.0000000    0.85815  94.6%     -    0s
     0     0    0.85858    0  134   16.00000    0.85858  94.6%     -    0s
     0     0    0.85858    0  131   16.00000    0.85858  94.6%     -    0s
H    0     0                      14.0000000    0.85858  93.9%     -    0s
     0     2    0.85895    0  131   14.00000    0.85895  93.9%     -    0s
H   32    18                       7.0000000    1.00000  85.7%  29.3    0s
*  204    18              14       6.0000000    3.10646  48.2%  29.3    0s

Cutting planes:
  Gomory: 3
  Zero half: 1
  Mod-K: 1

Explored 229 nodes (7055 simplex iterations) in 0.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%