Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:31:37 2013 Optimize a model with 1067 rows, 94187 columns and 188277 nonzeros Presolve time: 0.16s Presolved: 1067 rows, 94187 columns, 188277 nonzeros Variable types: 94090 continuous, 97 integer (97 binary) Root relaxation: objective 1.318340e+05, 3735 iterations, 0.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 131833.986 0 5 - 131833.986 - - 0s H 0 0 138423.00000 131833.986 4.76% - 0s H 0 0 132732.00000 131833.986 0.68% - 0s 0 0 132055.562 0 4 132732.000 132055.562 0.51% - 0s 0 0 132055.562 0 5 132732.000 132055.562 0.51% - 1s 0 0 132055.673 0 4 132732.000 132055.673 0.51% - 1s 0 0 132098.939 0 4 132732.000 132098.939 0.48% - 1s 0 0 132103.536 0 4 132732.000 132103.536 0.47% - 1s 0 0 132103.582 0 5 132732.000 132103.582 0.47% - 1s 0 0 132104.581 0 4 132732.000 132104.581 0.47% - 1s 0 0 132104.581 0 4 132732.000 132104.581 0.47% - 2s 0 0 132104.581 0 4 132732.000 132104.581 0.47% - 2s 0 0 132104.581 0 4 132732.000 132104.581 0.47% - 2s 0 2 132113.129 0 4 132732.000 132113.129 0.47% - 2s H 8 7 132386.00000 132151.378 0.18% 65.5 3s H 9 5 132329.60156 132151.378 0.13% 60.6 3s H 12 3 132323.00000 132151.378 0.13% 58.4 3s H 13 4 132314.00000 132151.378 0.12% 54.1 3s * 16 4 14 132306.00000 132151.378 0.12% 49.6 3s Cutting planes: Implied bound: 69 Flow cover: 8 Explored 26 nodes (8170 simplex iterations) in 3.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.323060000000e+05, best bound 1.322936018481e+05, gap 0.0094%