Gurobi 5.0.1 (linux64) logging started Wed Nov 28 10:22:37 2012

Optimize a model with 2399 rows, 2304 columns and 13630 nonzeros
Presolve removed 47 rows and 1 columns
Presolve time: 0.12s
Presolved: 2352 rows, 2303 columns, 13442 nonzeros
Variable types: 47 continuous, 2256 integer (2256 binary)
Found heuristic solution: objective 7675.0000000

Root relaxation: objective 1.725657e+03, 313 iterations, 0.01 seconds

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

     0     0 1725.65707    0   43 7675.00000 1725.65707  77.5%     -    0s
H    0     0                    2033.0000000 1725.65707  15.1%     -    0s
     0     0 1739.01871    0   50 2033.00000 1739.01871  14.5%     -    0s
     0     0 1743.81316    0   43 2033.00000 1743.81316  14.2%     -    0s
H    0     0                    1797.0000000 1743.81316  2.96%     -    0s
     0     0 1743.81316    0   32 1797.00000 1743.81316  2.96%     -    0s
     0     0 1743.81316    0   42 1797.00000 1743.81316  2.96%     -    0s
     0     0 1743.81316    0   52 1797.00000 1743.81316  2.96%     -    0s
     0     0 1743.81316    0   45 1797.00000 1743.81316  2.96%     -    0s
     0     0 1743.87500    0   47 1797.00000 1743.87500  2.96%     -    0s
     0     0 1743.87500    0   47 1797.00000 1743.87500  2.96%     -    0s
     0     0 1743.87500    0   39 1797.00000 1743.87500  2.96%     -    0s
     0     2 1746.12500    0   33 1797.00000 1746.12500  2.83%     -    0s
H  273    98                    1776.0000000 1752.56250  1.32%  10.6    0s

Cutting planes:
  Gomory: 6
  Zero half: 1

Explored 1172 nodes (17841 simplex iterations) in 2.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.776000000000e+03, best bound 1.776000000000e+03, gap 0.0%