Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:06:56 2012 Optimize a model with 4151 rows, 130 columns and 8302 nonzeros Presolve removed 2934 rows and 0 columns Presolve time: 0.14s Presolved: 1217 rows, 130 columns, 8343 nonzeros Variable types: 0 continuous, 130 integer (130 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.723153e+01, 633 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17.23153 0 128 7.00000 17.23153 146% - 0s H 0 0 8.0000000 17.23153 115% - 0s 0 0 16.90494 0 129 8.00000 16.90494 111% - 0s H 0 0 9.0000000 16.90494 87.8% - 0s 0 0 16.83183 0 129 9.00000 16.83183 87.0% - 0s 0 0 16.78393 0 129 9.00000 16.78393 86.5% - 0s 0 0 16.74812 0 130 9.00000 16.74812 86.1% - 1s 0 0 16.73909 0 128 9.00000 16.73909 86.0% - 1s 0 0 16.72671 0 130 9.00000 16.72671 85.9% - 1s 0 0 16.72526 0 130 9.00000 16.72526 85.8% - 1s 0 0 16.72117 0 130 9.00000 16.72117 85.8% - 1s 0 0 16.71585 0 130 9.00000 16.71585 85.7% - 2s 0 0 16.70679 0 130 9.00000 16.70679 85.6% - 2s 0 0 16.70304 0 129 9.00000 16.70304 85.6% - 2s 0 0 16.70302 0 130 9.00000 16.70302 85.6% - 2s 0 0 16.70198 0 130 9.00000 16.70198 85.6% - 2s 0 0 16.70143 0 130 9.00000 16.70143 85.6% - 2s 0 0 16.70140 0 130 9.00000 16.70140 85.6% - 3s 0 0 16.70139 0 130 9.00000 16.70139 85.6% - 3s H 0 0 10.0000000 16.70139 67.0% - 3s 0 2 16.69761 0 130 10.00000 16.69761 67.0% - 3s 203 105 11.24663 17 54 10.00000 15.43684 54.4% 83.1 5s Cutting planes: Clique: 93 Explored 583 nodes (41654 simplex iterations) in 6.81 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%