Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:49:20 2012

Optimize a model with 494 rows, 101 columns and 988 nonzeros
Presolve removed 174 rows and 0 columns
Presolve time: 0.00s
Presolved: 320 rows, 101 columns, 773 nonzeros
Variable types: 0 continuous, 101 integer (101 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 3.628846e+01, 199 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   36.28846    0   95   27.00000   36.28846  34.4%     -    0s
     0     0   35.21067    0   96   27.00000   35.21067  30.4%     -    0s
     0     0   34.67874    0   98   27.00000   34.67874  28.4%     -    0s
     0     0   34.56829    0   97   27.00000   34.56829  28.0%     -    0s
     0     0   34.41738    0   99   27.00000   34.41738  27.5%     -    0s
     0     0   34.34227    0   98   27.00000   34.34227  27.2%     -    0s
     0     0   34.30876    0   97   27.00000   34.30876  27.1%     -    0s
     0     0   34.28144    0   98   27.00000   34.28144  27.0%     -    0s
     0     0   34.24965    0   98   27.00000   34.24965  26.9%     -    0s
     0     0   34.23494    0   98   27.00000   34.23494  26.8%     -    0s
     0     0   34.23494    0   97   27.00000   34.23494  26.8%     -    0s
H    0     0                      28.0000000   34.23494  22.3%     -    0s
     0     2   34.23434    0   97   28.00000   34.23434  22.3%     -    0s
*  407   106              20      29.0000000   32.25309  11.2%  17.3    0s

Cutting planes:
  Gomory: 1
  Clique: 1
  Zero half: 55

Explored 1043 nodes (16573 simplex iterations) in 0.52 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%