Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:36 2013

Optimize a model with 216 rows, 413 columns and 1425 nonzeros
Presolve removed 36 rows and 60 columns
Presolve time: 0.01s
Presolved: 180 rows, 353 columns, 1058 nonzeros
Variable types: 177 continuous, 176 integer (176 binary)
Found heuristic solution: objective 2148.8203230

Root relaxation: objective 2.142132e+03, 6 iterations, 0.00 seconds

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

     0     0 2142.13230    0    2 2148.82032 2142.13230  0.31%     -    0s
     0     0 2143.04710    0    2 2148.82032 2143.04710  0.27%     -    0s
     0     0 2143.93739    0    2 2148.82032 2143.93739  0.23%     -    0s
     0     0 2144.80427    0    2 2148.82032 2144.80427  0.19%     -    0s
     0     0 2145.64876    0    2 2148.82032 2145.64876  0.15%     -    0s
     0     0 2146.47178    0    2 2148.82032 2146.47178  0.11%     -    0s
     0     0 2147.27420    0    2 2148.82032 2147.27420  0.07%     -    0s
     0     0 2148.05681    0    2 2148.82032 2148.05681  0.04%     -    0s
     0     0     cutoff    0      2148.82032 2148.82032   0.0%     -    0s

Explored 0 nodes (41 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.148820323027e+03, best bound 2.148820323027e+03, gap 0.0%