Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:28:34 2012

Optimize a model with 255 rows, 283 columns and 918 nonzeros
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 255 rows, 261 columns, 896 nonzeros
Variable types: 0 continuous, 261 integer (260 binary)
Found heuristic solution: objective 49.0000000

Root relaxation: objective 0.000000e+00, 165 iterations, 0.00 seconds

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

     0     0    0.00000    0   95   49.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   96   20.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   95   11.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   95    2.00000    0.00000   100%     -    0s

Explored 5 nodes (1163 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%