Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:32 2013

Optimize a model with 34 rows, 1023 columns and 12054 nonzeros
Presolve removed 12 rows and 12 columns
Presolve time: 0.02s
Presolved: 22 rows, 1011 columns, 11030 nonzeros
Variable types: 1001 continuous, 10 integer (10 binary)

Root relaxation: objective 3.887414e+03, 15 iterations, 0.00 seconds

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

     0     0 3887.41375    0    8          - 3887.41375     -      -    0s
     0     0 3887.47688    0    8          - 3887.47688     -      -    0s
     0     0 3887.47767    0   10          - 3887.47767     -      -    0s
     0     0 3887.48078    0   10          - 3887.48078     -      -    0s
     0     0 3887.57958    0    3          - 3887.57958     -      -    0s
     0     0 3887.58148    0    3          - 3887.58148     -      -    0s
     0     0 3887.58397    0    5          - 3887.58397     -      -    0s
     0     0 3887.58451    0    5          - 3887.58451     -      -    0s
     0     0 3887.59653    0    1          - 3887.59653     -      -    0s
     0     0 3887.59653    0    1          - 3887.59653     -      -    0s
H    0     0                    3887.5966454 3887.59653  0.00%     -    0s

Cutting planes:
  Implied bound: 1

Explored 0 nodes (75 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.887596645355e+03, best bound 3.887596527000e+03, gap 0.0000%