Gurobi 5.0.1 (linux64) logging started Wed Nov 28 03:51:17 2012

Optimize a model with 287 rows, 256 columns and 1470 nonzeros
Presolve removed 15 rows and 1 columns
Presolve time: 0.01s
Presolved: 272 rows, 255 columns, 1410 nonzeros
Variable types: 15 continuous, 240 integer (240 binary)
Found heuristic solution: objective 6884.0000000

Root relaxation: objective 1.152000e+03, 122 iterations, 0.00 seconds

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

     0     0 1152.00000    0   16 6884.00000 1152.00000  83.3%     -    0s
H    0     0                    4347.0000000 1152.00000  73.5%     -    0s
     0     0 1152.00000    0   27 4347.00000 1152.00000  73.5%     -    0s
H    0     0                    2821.0000000 1152.00000  59.2%     -    0s
     0     0 1152.00000    0   16 2821.00000 1152.00000  59.2%     -    0s
     0     0 1152.00000    0   16 2821.00000 1152.00000  59.2%     -    0s
     0     0 1152.00000    0   16 2821.00000 1152.00000  59.2%     -    0s
H    0     0                    2742.0000000 1152.00000  58.0%     -    0s
H    0     0                    2544.0000000 1152.00000  54.7%     -    0s
     0     2 1152.00000    0   16 2544.00000 1152.00000  54.7%     -    0s
H   27    25                    2182.0000000 1152.00000  47.2%   4.7    0s
*  140    93              26    2178.0000000 1152.75000  47.1%   5.5    0s
H  143    66                    1816.0000000 1152.75000  36.5%   5.4    0s
* 1275     0              15    1812.0000000 1812.00000   0.0%   4.3    0s

Cutting planes:
  Gomory: 1
  Cover: 2
  MIR: 13

Explored 1276 nodes (5753 simplex iterations) in 0.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.812000000000e+03, best bound 1.812000000000e+03, gap 0.0%