Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:47:13 2012
Optimize a model with 245 rows, 169 columns and 779 nonzeros
Presolve time: 0.00s
Presolved: 245 rows, 169 columns, 779 nonzeros
Variable types: 0 continuous, 169 integer (169 binary)
Found heuristic solution: objective 50.0000000
Root relaxation: objective 0.000000e+00, 84 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 47 50.00000 0.00000 100% - 0s
H 0 0 48.0000000 0.00000 100% - 0s
0 0 0.75094 0 49 48.00000 0.75094 98.4% - 0s
H 0 0 47.0000000 0.75094 98.4% - 0s
0 0 0.84507 0 49 47.00000 0.84507 98.2% - 0s
H 0 0 45.0000000 0.84507 98.1% - 0s
0 0 0.88611 0 49 45.00000 0.88611 98.0% - 0s
0 0 0.93116 0 49 45.00000 0.93116 97.9% - 0s
H 0 0 44.0000000 0.93116 97.9% - 0s
0 0 0.93116 0 49 44.00000 0.93116 97.9% - 0s
0 0 0.93116 0 49 44.00000 0.93116 97.9% - 0s
0 2 0.93665 0 49 44.00000 0.93665 97.9% - 0s
* 32 28 20 38.0000000 3.15686 91.7% 26.5 0s
* 57 42 17 33.0000000 3.21632 90.3% 24.6 0s
* 61 38 16 32.0000000 3.21632 89.9% 23.4 0s
* 170 110 12 31.0000000 8.33333 73.1% 25.3 0s
* 955 250 28 30.0000000 15.82500 47.3% 22.6 0s
Explored 2654 nodes (55059 simplex iterations) in 1.61 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%