Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:09:55 2013 Optimize a model with 68224 rows, 67404 columns and 269124 nonzeros Presolve removed 82 rows and 0 columns Presolve time: 0.31s Presolved: 68142 rows, 67404 columns, 269042 nonzeros Variable types: 67322 continuous, 82 integer (82 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8313 7.5054647e+04 3.680735e+04 0.000000e+00 5s 9991 7.5662052e+04 0.000000e+00 0.000000e+00 9s Root relaxation: objective 7.566205e+04, 9991 iterations, 8.83 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 75662.0525 0 64 - 75662.0525 - - 9s H 0 0 146712.00000 75662.0525 48.4% - 15s 0 0 102306.897 0 18 146712.000 102306.897 30.3% - 32s H 0 0 142146.64472 102306.897 28.0% - 32s H 0 0 123917.00000 102306.897 17.4% - 33s 0 0 107635.289 0 6 123917.000 107635.289 13.1% - 37s H 0 0 117967.03336 107635.289 8.76% - 37s H 0 0 113389.00000 107635.289 5.07% - 37s 0 0 109926.896 0 5 113389.000 109926.896 3.05% - 39s 0 0 110199.799 0 3 113389.000 110199.799 2.81% - 40s H 0 0 112594.00000 110199.799 2.13% - 40s H 0 0 112053.63624 110199.799 1.65% - 41s H 0 0 110957.05806 110199.799 0.68% - 41s H 0 0 110679.00000 110199.799 0.43% - 42s 0 2 110202.716 0 3 110679.000 110202.716 0.43% - 42s H 5 4 110611.82857 110326.800 0.26% 163 43s H 6 4 110538.27547 110344.792 0.18% 164 44s H 9 6 110512.03571 110346.854 0.15% 139 44s * 10 4 8 110417.00000 110346.854 0.06% 133 44s Cutting planes: Gomory: 1 Implied bound: 81 Explored 16 nodes (27228 simplex iterations) in 44.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.104170000000e+05, best bound 1.104148000000e+05, gap 0.0020%