Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:15 2013

Optimize a model with 129 rows, 81 columns and 405 nonzeros
Presolve removed 79 rows and 49 columns
Presolve time: 0.00s
Presolved: 50 rows, 32 columns, 172 nonzeros
Variable types: 4 continuous, 28 integer (28 binary)
Found heuristic solution: objective 1640.0000000
Found heuristic solution: objective 1477.0000000

Root relaxation: objective 1.307277e+03, 9 iterations, 0.00 seconds

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

     0     0 1307.27660    0    4 1477.00000 1307.27660  11.5%     -    0s
H    0     0                    1316.0000000 1307.27660  0.66%     -    0s
     0     0 1314.10526    0    2 1316.00000 1314.10526  0.14%     -    0s
     0     0     cutoff    0      1316.00000 1315.00132  0.08%     -    0s

Cutting planes:
  Gomory: 1
  Implied bound: 1
  MIR: 4

Explored 0 nodes (18 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.316000000000e+03, best bound 1.316000000000e+03, gap 0.0%