Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:03:36 2012
Optimize a model with 415 rows, 407 columns and 1442 nonzeros
Presolve removed 0 rows and 25 columns
Presolve time: 0.00s
Presolved: 415 rows, 382 columns, 1417 nonzeros
Variable types: 0 continuous, 382 integer (381 binary)
Found heuristic solution: objective 77.0000000
Root relaxation: objective 0.000000e+00, 227 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 0 172 77.00000 0.00000 100% - 0s
H 0 0 58.0000000 0.00000 100% - 0s
H 0 0 55.0000000 0.00000 100% - 0s
0 0 0.28180 0 174 55.00000 0.28180 99.5% - 0s
H 0 0 45.0000000 0.28180 99.4% - 0s
0 0 0.72393 0 177 45.00000 0.72393 98.4% - 0s
H 0 0 44.0000000 0.72393 98.4% - 0s
H 0 0 30.0000000 0.72393 97.6% - 0s
H 0 0 27.0000000 0.72393 97.3% - 0s
H 0 0 26.0000000 0.72393 97.2% - 0s
H 0 0 24.0000000 0.72393 97.0% - 0s
0 2 0.73285 0 177 24.00000 0.73285 96.9% - 0s
H 27 27 22.0000000 1.00000 95.5% 40.5 0s
* 93 39 63 15.0000000 1.00000 93.3% 23.0 0s
* 320 163 26 14.0000000 1.16423 91.7% 26.9 0s
* 394 148 22 13.0000000 2.28571 82.4% 27.0 0s
* 690 202 27 12.0000000 4.74713 60.4% 28.4 0s
Explored 1288 nodes (32967 simplex iterations) in 1.33 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%