Optimize a model with 130 rows, 8385 columns and 16770 nonzeros Presolve time: 0.02s Presolved: 130 rows, 8385 columns, 16770 nonzeros Variable types: 0 continuous, 8385 integer (8385 binary) Root relaxation: objective 5.584000e+03, 199 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5584.00000 0 14 - 5584.00000 - - 0s 0 0 5594.50000 0 14 - 5594.50000 - - 0s 0 0 5598.50000 0 14 - 5598.50000 - - 0s 0 0 5877.30000 0 22 - 5877.30000 - - 0s 0 0 5883.85714 0 18 - 5883.85714 - - 0s 0 0 5885.33333 0 15 - 5885.33333 - - 0s 0 0 6053.66667 0 29 - 6053.66667 - - 0s 0 0 6057.50000 0 18 - 6057.50000 - - 0s 0 0 6059.83333 0 38 - 6059.83333 - - 0s 0 0 6059.83333 0 38 - 6059.83333 - - 0s 0 2 6059.90000 0 38 - 6059.90000 - - 0s * 117 114 92 6377.0000000 6075.00000 4.74% 5.1 2s * 151 57 22 6135.0000000 6078.00000 0.93% 5.1 2s * 156 50 22 6134.0000000 6078.00000 0.91% 5.0 2s H 368 129 6128.0000000 6100.00000 0.46% 5.1 4s * 371 69 11 6115.0000000 6100.00000 0.25% 5.2 4s 426 61 cutoff 10 6115.00000 6103.00000 0.20% 5.1 5s * 501 15 8 6110.0000000 6107.40741 0.04% 5.1 5s Cutting planes: User: 51 Zero half: 19 Explored 520 nodes (2938 simplex iterations) in 5.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.110000000000e+03, best bound 6.110000000000e+03, gap 0.0% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:44:34 2012