Gurobi 5.0.1 (linux64) logging started Wed Nov 28 03:51:59 2012

Optimize a model with 1223 rows, 1156 columns and 6798 nonzeros
Presolve removed 33 rows and 1 columns
Presolve time: 0.05s
Presolved: 1190 rows, 1155 columns, 6666 nonzeros
Variable types: 33 continuous, 1122 integer (1122 binary)
Found heuristic solution: objective 5073.0000000
Found heuristic solution: objective 4915.0000000

Root relaxation: objective 1.217182e+03, 193 iterations, 0.00 seconds

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

     0     0 1217.18182    0   27 4915.00000 1217.18182  75.2%     -    0s
H    0     0                    3788.0000000 1217.18182  67.9%     -    0s
H    0     0                    1435.0000000 1217.18182  15.2%     -    0s
     0     0 1220.93790    0   51 1435.00000 1220.93790  14.9%     -    0s
     0     0 1220.96734    0   51 1435.00000 1220.96734  14.9%     -    0s
     0     0 1220.96734    0   48 1435.00000 1220.96734  14.9%     -    0s
H    0     0                    1405.0000000 1220.96734  13.1%     -    0s
     0     2 1221.47961    0   48 1405.00000 1221.47961  13.1%     -    0s
H   27    23                    1402.0000000 1228.02410  12.4%   9.0    0s
H  742   400                    1393.0000000 1243.51351  10.7%   9.6    1s
* 1288   384              23    1354.0000000 1245.39276  8.02%   9.8    2s
H 1427   322                    1334.0000000 1248.36089  6.42%  10.0    2s
H 1606   353                    1304.0000000 1251.18182  4.05%   9.6    3s
* 1630   332              32    1286.0000000 1274.89919  0.86%  10.1    3s

Cutting planes:
  Gomory: 3
  MIR: 4

Explored 1636 nodes (16816 simplex iterations) in 3.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.286000000000e+03, best bound 1.286000000000e+03, gap 0.0%