Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:04:48 2013

Optimize a model with 298 rows, 144 columns and 936 nonzeros
Presolve removed 214 rows and 95 columns
Presolve time: 0.00s
Presolved: 84 rows, 49 columns, 288 nonzeros
Variable types: 4 continuous, 45 integer (45 binary)
Found heuristic solution: objective 1668.0000000

Root relaxation: objective 1.590127e+03, 4 iterations, 0.00 seconds

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

     0     0 1590.12662    0    3 1668.00000 1590.12662  4.67%     -    0s
H    0     0                    1602.0000000 1590.12662  0.74%     -    0s
H    0     0                    1599.0000000 1590.12662  0.55%     -    0s
     0     0 1594.43337    0   10 1599.00000 1594.43337  0.29%     -    0s
     0     0 1594.43337    0    3 1599.00000 1594.43337  0.29%     -    0s
     0     0 1594.43337    0    9 1599.00000 1594.43337  0.29%     -    0s
     0     0 1595.14698    0   12 1599.00000 1595.14698  0.24%     -    0s
     0     0     cutoff    0      1599.00000 1598.00160  0.06%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 1
  MIR: 7
  Zero half: 1

Explored 0 nodes (41 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.599000000000e+03, best bound 1.599000000000e+03, gap 0.0%