Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:00 2013

Optimize a model with 63 rows, 49 columns and 168 nonzeros
Presolve removed 21 rows and 21 columns
Presolve time: 0.00s
Presolved: 42 rows, 28 columns, 126 nonzeros
Variable types: 7 continuous, 21 integer (21 binary)
Found heuristic solution: objective 1021.0000000

Root relaxation: objective 3.330000e+02, 15 iterations, 0.00 seconds

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

     0     0  333.00000    0   11 1021.00000  333.00000  67.4%     -    0s
     0     0  422.99669    0    8 1021.00000  422.99669  58.6%     -    0s
     0     0  427.11060    0    9 1021.00000  427.11060  58.2%     -    0s
     0     0  432.19328    0    9 1021.00000  432.19328  57.7%     -    0s
     0     2  435.46335    0    9 1021.00000  435.46335  57.3%     -    0s
*    9     5               6     522.0000000  439.95000  15.7%   2.9    0s

Cutting planes:
  Implied bound: 7
  MIR: 14

Explored 20 nodes (99 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.220000000000e+02, best bound 5.220000000000e+02, gap 0.0%