Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:58:06 2012 Optimize a model with 385 rows, 385 columns and 1345 nonzeros Presolve removed 0 rows and 22 columns Presolve time: 0.00s Presolved: 385 rows, 363 columns, 1323 nonzeros Variable types: 0 continuous, 363 integer (362 binary) Found heuristic solution: objective 77.0000000 Root relaxation: objective 0.000000e+00, 249 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 0 161 77.00000 0.00000 100% - 0s H 0 0 67.0000000 0.00000 100% - 0s H 0 0 51.0000000 0.00000 100% - 0s H 0 0 47.0000000 0.00000 100% - 0s 0 0 0.25277 0 163 47.00000 0.25277 99.5% - 0s H 0 0 37.0000000 0.25277 99.3% - 0s 0 0 0.82485 0 168 37.00000 0.82485 97.8% - 0s H 0 0 33.0000000 0.82485 97.5% - 0s H 0 0 28.0000000 0.82485 97.1% - 0s 0 0 0.82584 0 172 28.00000 0.82584 97.1% - 0s 0 0 0.82584 0 169 28.00000 0.82584 97.1% - 0s H 0 0 26.0000000 0.82584 96.8% - 0s H 0 0 23.0000000 0.82584 96.4% - 0s H 0 0 21.0000000 0.82584 96.1% - 0s 0 2 0.82697 0 169 21.00000 0.82697 96.1% - 0s H 27 27 17.0000000 1.00000 94.1% 35.6 0s H 54 42 11.0000000 1.00000 90.9% 24.9 0s H 69 30 9.0000000 1.00000 88.9% 28.0 0s Cutting planes: Gomory: 4 Zero half: 9 Explored 434 nodes (14385 simplex iterations) in 0.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%