Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:23:02 2012

Optimize a model with 447 rows, 438 columns and 1553 nonzeros
Presolve removed 0 rows and 26 columns
Presolve time: 0.00s
Presolved: 447 rows, 412 columns, 1527 nonzeros
Variable types: 0 continuous, 412 integer (411 binary)
Found heuristic solution: objective 80.0000000

Root relaxation: objective 0.000000e+00, 271 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  171   80.00000    0.00000   100%     -    0s
H    0     0                      62.0000000    0.00000   100%     -    0s
H    0     0                      58.0000000    0.00000   100%     -    0s
H    0     0                      55.0000000    0.00000   100%     -    0s
     0     0    0.23819    0  173   55.00000    0.23819   100%     -    0s
H    0     0                      45.0000000    0.23819  99.5%     -    0s
H    0     0                      37.0000000    0.23819  99.4%     -    0s
     0     0    0.79727    0  175   37.00000    0.79727  97.8%     -    0s
H    0     0                      32.0000000    0.79727  97.5%     -    0s
     0     0    0.79727    0  175   32.00000    0.79727  97.5%     -    0s
H    0     0                      27.0000000    0.79727  97.0%     -    0s
     0     2    0.79871    0  175   27.00000    0.79871  97.0%     -    0s
H   27    27                      21.0000000    1.00000  95.2%  36.7    0s
H   68    47                      14.0000000    1.00000  92.9%  30.4    0s
H  108    52                      12.0000000    1.00000  91.7%  25.3    0s
*  153    59              18      11.0000000    1.00000  90.9%  27.4    0s
*  575    63               8      10.0000000    3.35714  66.4%  38.6    0s

Cutting planes:
  Gomory: 3
  Zero half: 3
  Mod-K: 1

Explored 841 nodes (30550 simplex iterations) in 1.13 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%