Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:06:16 2012

Optimize a model with 443 rows, 424 columns and 1529 nonzeros
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 443 rows, 402 columns, 1507 nonzeros
Variable types: 0 continuous, 402 integer (401 binary)
Found heuristic solution: objective 78.0000000

Root relaxation: objective 0.000000e+00, 236 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  169   78.00000    0.00000   100%     -    0s
H    0     0                      55.0000000    0.00000   100%     -    0s
     0     0    0.24072    0  171   55.00000    0.24072   100%     -    0s
H    0     0                      50.0000000    0.24072   100%     -    0s
     0     0    0.80023    0  177   50.00000    0.80023  98.4%     -    0s
H    0     0                      46.0000000    0.80023  98.3%     -    0s
     0     0    0.80034    0  177   46.00000    0.80034  98.3%     -    0s
     0     0    0.80034    0  177   46.00000    0.80034  98.3%     -    0s
     0     2    0.80034    0  177   46.00000    0.80034  98.3%     -    0s
H   27    27                      14.0000000    1.00000  92.9%  28.7    0s
*  324    92              16      13.0000000    6.75949  48.0%  25.7    0s

Cutting planes:
  Gomory: 3
  Zero half: 2

Explored 632 nodes (16650 simplex iterations) in 0.72 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%