Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:50:51 2012

Optimize a model with 605 rows, 541 columns and 2051 nonzeros
Presolve removed 0 rows and 16 columns
Presolve time: 0.00s
Presolved: 605 rows, 525 columns, 2035 nonzeros
Variable types: 0 continuous, 525 integer (524 binary)
Found heuristic solution: objective 116.0000000

Root relaxation: objective 0.000000e+00, 275 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  212  116.00000    0.00000   100%     -    0s
H    0     0                     101.0000000    0.00000   100%     -    0s
H    0     0                      64.0000000    0.00000   100%     -    0s
     0     0    0.45706    0  213   64.00000    0.45706  99.3%     -    0s
H    0     0                      59.0000000    0.45706  99.2%     -    0s
     0     0    1.00000    0  215   59.00000    1.00000  98.3%     -    0s
H    0     0                      52.0000000    1.00000  98.1%     -    0s
     0     0    1.00000    0  215   52.00000    1.00000  98.1%     -    0s
H    0     0                      47.0000000    1.00000  97.9%     -    0s
H    0     0                      46.0000000    1.00000  97.8%     -    0s
     0     2    1.00000    0  212   46.00000    1.00000  97.8%     -    0s
H   54    54                      25.0000000    3.17011  87.3%  35.7    0s
H  653   310                      22.0000000    9.84946  55.2%  33.6    1s
  2565   506   18.18293   19  199   22.00000   13.99387  36.4%  30.4    5s
* 3553   497              25      21.0000000   15.31325  27.1%  29.6    6s

Explored 5437 nodes (157602 simplex iterations) in 9.84 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%