Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:52:19 2012 Optimize a model with 235 rows, 165 columns and 750 nonzeros Presolve time: 0.00s Presolved: 235 rows, 165 columns, 750 nonzeros Variable types: 0 continuous, 165 integer (165 binary) Found heuristic solution: objective 54.0000000 Root relaxation: objective 0.000000e+00, 96 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 48 54.00000 0.00000 100% - 0s H 0 0 48.0000000 0.00000 100% - 0s H 0 0 47.0000000 0.00000 100% - 0s 0 0 0.54348 0 50 47.00000 0.54348 98.8% - 0s H 0 0 46.0000000 0.54348 98.8% - 0s 0 0 0.67391 0 50 46.00000 0.67391 98.5% - 0s H 0 0 44.0000000 0.67391 98.5% - 0s 0 0 0.73059 0 51 44.00000 0.73059 98.3% - 0s H 0 0 38.0000000 0.73059 98.1% - 0s 0 0 0.80435 0 50 38.00000 0.80435 97.9% - 0s H 0 0 37.0000000 0.80435 97.8% - 0s 0 0 0.82645 0 53 37.00000 0.82645 97.8% - 0s 0 0 0.88012 0 65 37.00000 0.88012 97.6% - 0s 0 0 0.91688 0 55 37.00000 0.91688 97.5% - 0s H 0 0 33.0000000 0.91688 97.2% - 0s 0 0 0.95512 0 67 33.00000 0.95512 97.1% - 0s 0 0 0.95652 0 50 33.00000 0.95652 97.1% - 0s 0 2 1.00950 0 50 33.00000 1.00950 96.9% - 0s * 29 26 21 31.0000000 3.98419 87.1% 23.7 0s * 62 45 19 30.0000000 4.06522 86.4% 19.9 0s * 181 94 14 29.0000000 10.15789 65.0% 21.1 0s * 332 88 10 26.0000000 14.80000 43.1% 20.2 0s * 727 74 13 25.0000000 18.52381 25.9% 18.5 0s Cutting planes: Gomory: 1 Mod-K: 9 Explored 968 nodes (17384 simplex iterations) in 0.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%