Gurobi 5.0.1 (linux64) logging started Wed Nov 28 11:50:22 2012

Optimize a model with 5182 rows, 5041 columns and 29960 nonzeros
Presolve removed 70 rows and 1 columns
Presolve time: 0.13s
Presolved: 5112 rows, 5040 columns, 29680 nonzeros
Variable types: 70 continuous, 4970 integer (4970 binary)
Found heuristic solution: objective 10716.000000
Found heuristic solution: objective 10699.000000

Root relaxation: objective 1.858533e+03, 370 iterations, 0.02 seconds

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

     0     0 1858.53302    0   35 10699.0000 1858.53302  82.6%     -    0s
     0     0 1873.54850    0   49 10699.0000 1873.54850  82.5%     -    0s
     0     0 1873.54850    0   49 10699.0000 1873.54850  82.5%     -    0s
H    0     0                    2069.0000000 1873.54850  9.45%     -    0s
     0     0 1873.54850    0   49 2069.00000 1873.54850  9.45%     -    0s
H    0     0                    2006.0000000 1873.54850  6.60%     -    1s
     0     2 1873.58571    0   49 2006.00000 1873.58571  6.60%     -    1s
H   27    22                    1966.0000000 1877.78571  4.49%   7.9    1s
H  606   255                    1962.0000000 1903.85625  2.96%  10.3    4s
   612   261 1903.85625   14   63 1962.00000 1903.85625  2.96%  11.6    5s
H  835   245                    1950.0000000 1903.85625  2.37%  11.8    5s
  2985   393 1928.46403   17   30 1950.00000 1925.49825  1.26%  11.8   10s
  5853    21 1948.44076   35   47 1950.00000 1948.44076  0.08%  11.2   15s

Cutting planes:
  Gomory: 2
  MIR: 2

Explored 5922 nodes (67037 simplex iterations) in 15.28 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.950000000000e+03, best bound 1.950000000000e+03, gap 0.0%