Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:56:27 2013 Optimize a model with 87513 rows, 86583 columns and 346053 nonzeros Presolve removed 3666 rows and 0 columns Presolve time: 0.62s Presolved: 83847 rows, 86583 columns, 338721 nonzeros Variable types: 86490 continuous, 93 integer (93 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 18600 1.0195940e+05 7.965083e+01 0.000000e+00 5s 18681 1.0196119e+05 0.000000e+00 0.000000e+00 5s Root relaxation: objective 1.019612e+05, 18681 iterations, 5.17 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 101961.193 0 2 - 101961.193 - - 6s H 0 0 105427.00000 101961.193 3.29% - 6s 0 0 101964.246 0 4 105427.000 101964.246 3.28% - 7s 0 0 101964.246 0 4 105427.000 101964.246 3.28% - 7s H 0 0 102369.00000 101964.246 0.40% - 10s 0 0 101964.246 0 2 102369.000 101964.246 0.40% - 13s 0 0 101965.215 0 5 102369.000 101965.215 0.39% - 13s 0 0 101965.215 0 5 102369.000 101965.215 0.39% - 14s 0 0 101966.921 0 4 102369.000 101966.921 0.39% - 14s 0 2 101975.672 0 4 102369.000 101975.672 0.38% - 16s H 2 2 102225.00000 102074.368 0.15% 130 16s H 3 1 102202.42857 102119.321 0.08% 100 16s * 5 1 5 102177.00000 102119.321 0.06% 70.4 16s Cutting planes: Gomory: 2 Flow cover: 2 Explored 7 nodes (26294 simplex iterations) in 16.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.021770000000e+05, best bound 1.021770000000e+05, gap 0.0%