Optimize a model with 127 rows, 8001 columns and 16002 nonzeros Presolve time: 0.02s Presolved: 127 rows, 8001 columns, 16002 nonzeros Variable types: 0 continuous, 8001 integer (8001 binary) Root relaxation: objective 1.122760e+05, 191 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 112276.000 0 24 - 112276.000 - - 0s 0 0 112479.000 0 8 - 112479.000 - - 0s 0 0 112486.750 0 11 - 112486.750 - - 0s 0 0 112534.000 0 13 - 112534.000 - - 0s 0 0 112542.000 0 12 - 112542.000 - - 0s 0 0 112547.750 0 25 - 112547.750 - - 0s 0 0 112591.667 0 26 - 112591.667 - - 0s 0 0 112594.389 0 30 - 112594.389 - - 0s 0 0 112620.806 0 35 - 112620.806 - - 0s 0 0 112631.889 0 37 - 112631.889 - - 0s 0 0 112661.500 0 16 - 112661.500 - - 0s 0 0 112710.833 0 40 - 112710.833 - - 0s 0 0 114848.500 0 14 - 114848.500 - - 0s 0 0 114972.583 0 52 - 114972.583 - - 0s 0 0 115054.250 0 42 - 115054.250 - - 0s 0 0 115095.983 0 63 - 115095.983 - - 0s 0 2 115112.733 0 63 - 115112.733 - - 0s * 84 83 65 121897.00000 116771.833 4.20% 7.9 0s * 110 39 20 118665.00000 117474.000 1.00% 7.6 0s * 160 15 9 118566.00000 118026.000 0.46% 10.4 1s * 164 6 9 118282.00000 118026.000 0.22% 10.3 1s Cutting planes: Zero half: 21 Explored 172 nodes (2032 simplex iterations) in 1.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.182820000000e+05, best bound 1.182820000000e+05, gap 0.0% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:44:25 2012