Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:28 2012

Optimize a model with 343 rows, 350 columns and 1205 nonzeros
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 343 rows, 326 columns, 1181 nonzeros
Variable types: 0 continuous, 326 integer (325 binary)
Found heuristic solution: objective 56.0000000

Root relaxation: objective 0.000000e+00, 207 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  140   56.00000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
H    0     0                      28.0000000    0.00000   100%     -    0s
     0     0    0.20096    0  142   28.00000    0.20096  99.3%     -    0s
H    0     0                      20.0000000    0.20096  99.0%     -    0s
     0     0    0.75806    0  146   20.00000    0.75806  96.2%     -    0s
H    0     0                      12.0000000    0.75806  93.7%     -    0s
     0     0    0.75806    0  146   12.00000    0.75806  93.7%     -    0s
     0     2    0.76288    0  146   12.00000    0.76288  93.6%     -    0s
H   27    22                       7.0000000    1.00000  85.7%  25.9    0s
*   71    20              15       6.0000000    1.00000  83.3%  25.9    0s

Cutting planes:
  Gomory: 4

Explored 149 nodes (5516 simplex iterations) in 0.21 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%