Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:11:57 2013

Optimize a model with 575 rows, 225 columns and 1800 nonzeros
Presolve removed 122 rows and 110 columns
Presolve time: 0.00s
Presolved: 453 rows, 115 columns, 1491 nonzeros
Variable types: 11 continuous, 104 integer (104 binary)
Found heuristic solution: objective 2676.0000000

Root relaxation: objective 1.648030e+03, 41 iterations, 0.00 seconds

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

     0     0 1648.03030    0    9 2676.00000 1648.03030  38.4%     -    0s
     0     0 1649.00000    0   15 2676.00000 1649.00000  38.4%     -    0s
H    0     0                    1690.0000000 1649.00000  2.43%     -    0s
H    0     0                    1671.0000000 1649.00000  1.32%     -    0s
H    0     0                    1658.0000000 1649.00000  0.54%     -    0s
     0     0 1649.00000    0   23 1658.00000 1649.00000  0.54%     -    0s
H    0     0                    1655.0000000 1649.00000  0.36%     -    0s
     0     0 1649.00000    0   22 1655.00000 1649.00000  0.36%     -    0s
     0     0 1649.00000    0   10 1655.00000 1649.00000  0.36%     -    0s
     0     0 1649.83257    0   27 1655.00000 1649.83257  0.31%     -    0s
     0     1 1649.84173    0   27 1655.00000 1649.84173  0.31%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 3
  Implied bound: 2
  Clique: 1
  MIR: 5
  GUB cover: 1
  Zero half: 3

Explored 8 nodes (528 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.655000000000e+03, best bound 1.655000000000e+03, gap 0.0%