Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:53 2012

Optimize a model with 277 rows, 299 columns and 989 nonzeros
Presolve removed 0 rows and 20 columns
Presolve time: 0.00s
Presolved: 277 rows, 279 columns, 969 nonzeros
Variable types: 0 continuous, 279 integer (278 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 0.000000e+00, 185 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  118   54.00000    0.00000   100%     -    0s
H    0     0                      34.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
H    0     0                      28.0000000    0.00000   100%     -    0s
     0     0    0.18839    0  121   28.00000    0.18839  99.3%     -    0s
H    0     0                      18.0000000    0.18839  99.0%     -    0s
     0     0    0.69174    0  126   18.00000    0.69174  96.2%     -    0s
H    0     0                      16.0000000    0.69174  95.7%     -    0s
H    0     0                      12.0000000    0.69174  94.2%     -    0s
     0     0    0.69176    0  131   12.00000    0.69176  94.2%     -    0s
     0     0    0.69176    0  131   12.00000    0.69176  94.2%     -    0s
H    0     0                      11.0000000    0.69176  93.7%     -    0s
     0     2    0.71331    0  127   11.00000    0.71331  93.5%     -    0s
*   12     4               9       2.0000000    2.00000   0.0%  32.4    0s

Cutting planes:
  Gomory: 4
  Mod-K: 1

Explored 13 nodes (1125 simplex iterations) in 0.09 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%