Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:03:39 2012

Optimize a model with 435 rows, 417 columns and 1502 nonzeros
Presolve removed 0 rows and 16 columns
Presolve time: 0.00s
Presolved: 435 rows, 401 columns, 1486 nonzeros
Variable types: 0 continuous, 401 integer (400 binary)
Found heuristic solution: objective 82.0000000

Root relaxation: objective 0.000000e+00, 235 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  170   82.00000    0.00000   100%     -    0s
H    0     0                      70.0000000    0.00000   100%     -    0s
H    0     0                      54.0000000    0.00000   100%     -    0s
H    0     0                      50.0000000    0.00000   100%     -    0s
     0     0    0.26540    0  172   50.00000    0.26540  99.5%     -    0s
H    0     0                      42.0000000    0.26540  99.4%     -    0s
     0     0    0.81398    0  178   42.00000    0.81398  98.1%     -    0s
H    0     0                      28.0000000    0.81398  97.1%     -    0s
     0     0    0.81398    0  176   28.00000    0.81398  97.1%     -    0s
     0     2    0.81534    0  175   28.00000    0.81534  97.1%     -    0s
H   27    27                      11.0000000    1.00000  90.9%  33.4    0s
*   31    19              20      10.0000000    1.00000  90.0%  34.2    0s

Cutting planes:
  Gomory: 4
  Mod-K: 1

Explored 399 nodes (13901 simplex iterations) in 0.55 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%