Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:12 2012

Optimize a model with 257 rows, 287 columns and 927 nonzeros
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 257 rows, 263 columns, 903 nonzeros
Variable types: 0 continuous, 263 integer (262 binary)
Found heuristic solution: objective 42.0000000

Root relaxation: objective 0.000000e+00, 157 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   94   42.00000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   96   17.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   96   12.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   96    4.00000    0.00000   100%     -    0s
*   24    11              17       2.0000000    0.62440  68.8%  55.8    0s
*   27     0              18       1.0000000    1.00000   0.0%  54.7    0s

Cutting planes:
  Gomory: 1

Explored 28 nodes (2211 simplex iterations) in 0.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%