Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:07:49 2013 Optimize a model with 93216 rows, 92256 columns and 368736 nonzeros Presolve removed 5717 rows and 0 columns Presolve time: 0.65s Presolved: 87499 rows, 92256 columns, 357302 nonzeros Variable types: 92160 continuous, 96 integer (96 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 19402 1.1030841e+05 2.063843e+02 0.000000e+00 5s 19650 1.1032285e+05 0.000000e+00 0.000000e+00 5s Root relaxation: objective 1.103228e+05, 19650 iterations, 5.24 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 110322.847 0 4 - 110322.847 - - 6s H 0 0 114876.00000 110322.847 3.96% - 6s 0 0 110324.225 0 6 114876.000 110324.225 3.96% - 7s 0 0 110324.225 0 6 114876.000 110324.225 3.96% - 8s H 0 0 113297.05085 110324.225 2.62% - 10s 0 2 110324.497 0 6 113297.051 110324.497 2.62% - 12s H 3 3 111059.72973 110350.459 0.64% 176 12s H 4 4 110756.33333 110352.390 0.36% 138 12s H 10 5 110466.69863 110364.968 0.09% 123 13s * 12 4 11 110441.00000 110364.968 0.07% 106 13s Cutting planes: Gomory: 1 Flow cover: 6 Explored 22 nodes (21371 simplex iterations) in 14.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.104410000000e+05, best bound 1.104410000000e+05, gap 0.0%