Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:53 2012

Optimize a model with 237 rows, 262 columns and 852 nonzeros
Presolve removed 0 rows and 25 columns
Presolve time: 0.00s
Presolved: 237 rows, 237 columns, 827 nonzeros
Variable types: 0 continuous, 237 integer (236 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 0.000000e+00, 160 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   93   34.00000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   94   23.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   93   13.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   93    4.00000    0.00000   100%     -    0s
*    8     4               8       2.0000000    0.43299  78.4%  49.6    0s

Explored 13 nodes (1235 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%