Gurobi 5.0.1 (linux64) logging started Wed Apr 24 10:24:47 2013 Optimize a model with 122210 rows, 121110 columns and 484110 nonzeros Presolve removed 6073 rows and 0 columns Presolve time: 0.96s Presolved: 116137 rows, 121110 columns, 471964 nonzeros Variable types: 121000 continuous, 110 integer (110 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 17780 1.1281104e+05 1.978607e+04 0.000000e+00 5s 24711 1.2521371e+05 0.000000e+00 0.000000e+00 10s Root relaxation: objective 1.252137e+05, 24711 iterations, 9.94 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 125213.708 0 5 - 125213.708 - - 11s H 0 0 129928.00000 125213.708 3.63% - 11s 0 0 125216.070 0 9 129928.000 125216.070 3.63% - 13s 0 0 125216.819 0 9 129928.000 125216.819 3.63% - 14s H 0 0 125740.00000 125216.819 0.42% - 19s 0 0 125216.819 0 5 125740.000 125216.819 0.42% - 28s 0 0 125216.852 0 10 125740.000 125216.852 0.42% - 29s 0 2 125223.924 0 10 125740.000 125223.924 0.41% - 35s 35 12 125698.084 17 1 125740.000 125434.868 0.24% 151 40s * 42 15 8 125631.00000 125447.316 0.15% 152 41s Cutting planes: Gomory: 7 Flow cover: 2 Explored 65 nodes (42389 simplex iterations) in 41.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.256310000000e+05, best bound 1.256310000000e+05, gap 0.0%