Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:46 2013

Optimize a model with 41 rows, 36 columns and 126 nonzeros
Presolve removed 17 rows and 17 columns
Presolve time: 0.00s
Presolved: 24 rows, 19 columns, 84 nonzeros
Variable types: 4 continuous, 15 integer (15 binary)
Found heuristic solution: objective 383.0000000

Root relaxation: objective 3.128519e+02, 6 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0  312.85185    0    5  383.00000  312.85185  18.3%     -    0s
     0     0  315.75348    0    8  383.00000  315.75348  17.6%     -    0s
H    0     0                     340.0000000  315.75348  7.13%     -    0s
H    0     0                     327.0000000  315.75348  3.44%     -    0s
     0     0  316.65706    0    9  327.00000  316.65706  3.16%     -    0s
     0     0  318.48168    0   11  327.00000  318.48168  2.60%     -    0s
     0     0  319.84842    0   10  327.00000  319.84842  2.19%     -    0s
     0     0  320.83534    0    9  327.00000  320.83534  1.89%     -    0s
     0     0  320.94752    0   10  327.00000  320.94752  1.85%     -    0s
     0     2  321.22296    0   10  327.00000  321.22296  1.77%     -    0s
*    1     1               1     324.0000000  321.22296  0.86%   5.0    0s

Cutting planes:
  Gomory: 1
  Cover: 1
  MIR: 9

Explored 3 nodes (66 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.240000000000e+02, best bound 3.240000000000e+02, gap 0.0%