Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:45:00 2013 Optimize a model with 1540 rows, 196140 columns and 392140 nonzeros Presolve time: 0.46s Presolved: 1540 rows, 196140 columns, 392140 nonzeros Variable types: 196000 continuous, 140 integer (140 binary) Root relaxation: objective 2.402917e+05, 7867 iterations, 0.51 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 240291.674 0 9 - 240291.674 - - 1s H 0 0 260563.00000 240291.674 7.78% - 2s H 0 0 244528.00000 240291.674 1.73% - 2s 0 0 240641.549 0 5 244528.000 240641.549 1.59% - 3s 0 0 240661.757 0 6 244528.000 240661.757 1.58% - 3s 0 0 240683.237 0 4 244528.000 240683.237 1.57% - 4s 0 0 240686.753 0 5 244528.000 240686.753 1.57% - 4s 0 0 240689.296 0 3 244528.000 240689.296 1.57% - 4s 0 0 240689.360 0 3 244528.000 240689.360 1.57% - 5s 0 0 240689.360 0 3 244528.000 240689.360 1.57% - 5s 0 0 240689.360 0 3 244528.000 240689.360 1.57% - 6s H 0 0 241103.00000 240689.360 0.17% - 6s 0 0 240689.360 0 9 241103.000 240689.360 0.17% - 7s 0 0 240689.360 0 5 241103.000 240689.360 0.17% - 8s 0 0 240689.360 0 5 241103.000 240689.360 0.17% - 8s 0 0 240689.360 0 3 241103.000 240689.360 0.17% - 8s 0 0 240689.360 0 4 241103.000 240689.360 0.17% - 9s 0 0 240689.360 0 4 241103.000 240689.360 0.17% - 9s 0 0 240689.360 0 3 241103.000 240689.360 0.17% - 9s 0 0 240689.360 0 3 241103.000 240689.360 0.17% - 9s 0 0 240689.360 0 3 241103.000 240689.360 0.17% - 9s 0 0 240689.360 0 3 241103.000 240689.360 0.17% - 10s 0 2 240700.051 0 3 241103.000 240700.051 0.17% - 11s * 17 12 13 241097.00000 240949.284 0.06% 90.2 12s H 28 9 241088.00000 240950.570 0.06% 74.6 12s * 36 4 8 240978.00000 240971.000 0.00% 70.5 13s Cutting planes: Implied bound: 166 Flow cover: 1 Explored 37 nodes (17514 simplex iterations) in 13.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.409780000000e+05, best bound 2.409710000000e+05, gap 0.0029%