Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:05:26 2012

Optimize a model with 415 rows, 409 columns and 1444 nonzeros
Presolve removed 0 rows and 27 columns
Presolve time: 0.00s
Presolved: 415 rows, 382 columns, 1417 nonzeros
Variable types: 0 continuous, 382 integer (381 binary)
Found heuristic solution: objective 73.0000000

Root relaxation: objective 0.000000e+00, 241 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  168   73.00000    0.00000   100%     -    0s
H    0     0                      58.0000000    0.00000   100%     -    0s
H    0     0                      50.0000000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
     0     0    0.24467    0  170   48.00000    0.24467  99.5%     -    0s
     0     0    0.72535    0  171   48.00000    0.72535  98.5%     -    0s
     0     0    0.72544    0  173   48.00000    0.72544  98.5%     -    0s
     0     0    0.72544    0  173   48.00000    0.72544  98.5%     -    0s
     0     2    0.75919    0  173   48.00000    0.75919  98.4%     -    0s
H   27    21                      12.0000000    1.00000  91.7%  26.1    0s

Cutting planes:
  Gomory: 2
  Zero half: 2

Explored 287 nodes (9187 simplex iterations) in 0.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%