Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:04:30 2012 Optimize a model with 417 rows, 409 columns and 1449 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 417 rows, 385 columns, 1425 nonzeros Variable types: 0 continuous, 385 integer (384 binary) Found heuristic solution: objective 69.0000000 Root relaxation: objective 0.000000e+00, 224 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 0 162 69.00000 0.00000 100% - 0s H 0 0 50.0000000 0.00000 100% - 0s 0 0 0.35609 0 164 50.00000 0.35609 99.3% - 0s H 0 0 43.0000000 0.35609 99.2% - 0s 0 0 0.85880 0 167 43.00000 0.85880 98.0% - 0s H 0 0 37.0000000 0.85880 97.7% - 0s H 0 0 27.0000000 0.85880 96.8% - 0s H 0 0 23.0000000 0.85880 96.3% - 0s 0 2 0.88431 0 167 23.00000 0.88431 96.2% - 0s H 27 27 20.0000000 0.97388 95.1% 33.8 0s H 54 54 17.0000000 0.97388 94.3% 21.8 0s H 81 36 15.0000000 0.97388 93.5% 16.3 0s * 111 47 23 14.0000000 1.00000 92.9% 18.8 0s * 155 51 32 13.0000000 1.00000 92.3% 19.0 0s * 200 49 17 11.0000000 2.47347 77.5% 21.7 0s * 294 43 11 10.0000000 4.67606 53.2% 23.9 0s Cutting planes: Gomory: 4 Explored 408 nodes (10659 simplex iterations) in 0.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%