Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:11 2012

Optimize a model with 291 rows, 304 columns and 1029 nonzeros
Presolve removed 0 rows and 27 columns
Presolve time: 0.00s
Presolved: 291 rows, 277 columns, 1002 nonzeros
Variable types: 0 continuous, 277 integer (276 binary)
Found heuristic solution: objective 53.0000000

Root relaxation: objective 0.000000e+00, 180 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   53.00000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
H    0     0                      34.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     0    0.20698    0  121   30.00000    0.20698  99.3%     -    0s
H    0     0                      24.0000000    0.20698  99.1%     -    0s
     0     0    0.81980    0  124   24.00000    0.81980  96.6%     -    0s
H    0     0                      16.0000000    0.81980  94.9%     -    0s
     0     0    0.81980    0  124   16.00000    0.81980  94.9%     -    0s
H    0     0                      12.0000000    0.81980  93.2%     -    0s
H    0     0                       7.0000000    0.81980  88.3%     -    0s
     0     2    0.82062    0  124    7.00000    0.82062  88.3%     -    0s
*  259    50              16       6.0000000    3.19643  46.7%  15.9    0s

Cutting planes:
  Gomory: 4
  Zero half: 5

Explored 348 nodes (5814 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%