Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:29 2013

Optimize a model with 64 rows, 2110 columns and 24118 nonzeros
Presolve removed 22 rows and 71 columns
Presolve time: 0.10s
Presolved: 42 rows, 2039 columns, 22076 nonzeros
Variable types: 2021 continuous, 18 integer (18 binary)

Root relaxation: objective 7.444602e+03, 20 iterations, 0.00 seconds

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

     0     0 7444.60178    0    7          - 7444.60178     -      -    0s
     0     0 7445.84795    0    7          - 7445.84795     -      -    0s
     0     0 7452.33820    0    6          - 7452.33820     -      -    0s
     0     0 7452.33820    0    6          - 7452.33820     -      -    0s
H    0     0                    7463.9032475 7452.33820  0.15%     -    0s
H    0     0                    7459.1541736 7452.33820  0.09%     -    0s
     0     0 7459.10697    0    3 7459.15417 7459.10697  0.00%     -    0s

Explored 0 nodes (96 simplex iterations) in 0.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.459154173588e+03, best bound 7.459106967986e+03, gap 0.0006%