Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:58:05 2012

Optimize a model with 415 rows, 400 columns and 1435 nonzeros
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 415 rows, 378 columns, 1413 nonzeros
Variable types: 0 continuous, 378 integer (377 binary)
Found heuristic solution: objective 81.0000000

Root relaxation: objective 0.000000e+00, 234 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   81.00000    0.00000   100%     -    0s
H    0     0                      63.0000000    0.00000   100%     -    0s
H    0     0                      56.0000000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
     0     0    0.29603    0  170   49.00000    0.29603  99.4%     -    0s
H    0     0                      48.0000000    0.29603  99.4%     -    0s
     0     0    0.91129    0  170   48.00000    0.91129  98.1%     -    0s
H    0     0                      46.0000000    0.91129  98.0%     -    0s
     0     0    0.91199    0  172   46.00000    0.91199  98.0%     -    0s
     0     0    0.91199    0  171   46.00000    0.91199  98.0%     -    0s
     0     2    0.91199    0  171   46.00000    0.91199  98.0%     -    0s
H   27    27                      22.0000000    0.93419  95.8%  31.5    0s
H   45    22                      12.0000000    0.93419  92.2%  22.5    0s

Cutting planes:
  Gomory: 2
  Mod-K: 2

Explored 651 nodes (22221 simplex iterations) in 0.72 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%