Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:14:16 2013

Optimize a model with 833 rows, 289 columns and 2601 nonzeros
Presolve removed 143 rows and 143 columns
Presolve time: 0.00s
Presolved: 690 rows, 146 columns, 2210 nonzeros
Variable types: 10 continuous, 136 integer (136 binary)
Found heuristic solution: objective 5328.0000000

Root relaxation: objective 3.613458e+03, 16 iterations, 0.00 seconds

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

     0     0 3613.45833    0    6 5328.00000 3613.45833  32.2%     -    0s
     0     0 3614.51723    0   17 5328.00000 3614.51723  32.2%     -    0s
H    0     0                    3624.0000000 3614.51723  0.26%     -    0s
     0     0 3614.84111    0   18 3624.00000 3614.84111  0.25%     -    0s
     0     0 3614.84111    0    5 3624.00000 3614.84111  0.25%     -    0s
H    0     0                    3620.0000000 3614.84111  0.14%     -    0s
     0     0 3614.84111    0   16 3620.00000 3614.84111  0.14%     -    0s
     0     1 3614.84111    0   16 3620.00000 3614.84111  0.14%     -    0s

Cutting planes:
  Gomory: 4
  Cover: 1
  Implied bound: 2
  Clique: 3
  MIR: 7
  Zero half: 3
  Mod-K: 1

Explored 4 nodes (159 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.620000000000e+03, best bound 3.620000000000e+03, gap 0.0%