Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:19:43 2012

Optimize a model with 473 rows, 449 columns and 1629 nonzeros
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 473 rows, 425 columns, 1605 nonzeros
Variable types: 0 continuous, 425 integer (424 binary)
Found heuristic solution: objective 95.0000000

Root relaxation: objective 0.000000e+00, 258 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  186   95.00000    0.00000   100%     -    0s
H    0     0                      68.0000000    0.00000   100%     -    0s
H    0     0                      64.0000000    0.00000   100%     -    0s
H    0     0                      61.0000000    0.00000   100%     -    0s
     0     0    0.40414    0  188   61.00000    0.40414  99.3%     -    0s
H    0     0                      52.0000000    0.40414  99.2%     -    0s
H    0     0                      46.0000000    0.40414  99.1%     -    0s
     0     0    0.83416    0  194   46.00000    0.83416  98.2%     -    0s
H    0     0                      42.0000000    0.83416  98.0%     -    0s
     0     0    0.83416    0  194   42.00000    0.83416  98.0%     -    0s
H    0     0                      39.0000000    0.83416  97.9%     -    0s
H    0     0                      36.0000000    0.83416  97.7%     -    0s
     0     2    0.83533    0  194   36.00000    0.83533  97.7%     -    0s
H   27    25                      13.0000000    1.00000  92.3%  39.9    0s
*  303    26               9      12.0000000    9.30590  22.5%  40.3    0s

Cutting planes:
  Gomory: 4
  Zero half: 1
  Mod-K: 1

Explored 339 nodes (14151 simplex iterations) in 0.60 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%