Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:57:28 2013 Optimize a model with 1023 rows, 86583 columns and 173073 nonzeros Presolve time: 0.15s Presolved: 1023 rows, 86583 columns, 173073 nonzeros Variable types: 86490 continuous, 93 integer (93 binary) Root relaxation: objective 1.022793e+05, 2771 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 102279.294 0 11 - 102279.294 - - 0s H 0 0 112394.00000 102279.294 9.00% - 0s 0 0 102860.733 0 10 112394.000 102860.733 8.48% - 0s 0 0 102987.996 0 7 112394.000 102987.996 8.37% - 0s H 0 0 110830.00000 102987.996 7.08% - 1s 0 0 103021.100 0 8 110830.000 103021.100 7.05% - 1s 0 0 103032.757 0 7 110830.000 103032.757 7.04% - 1s 0 0 103035.689 0 8 110830.000 103035.689 7.03% - 1s 0 0 103037.493 0 6 110830.000 103037.493 7.03% - 1s H 0 0 110714.00000 103037.493 6.93% - 1s 0 0 103037.584 0 7 110714.000 103037.584 6.93% - 1s H 0 0 110675.00000 103037.584 6.90% - 1s 0 0 103038.030 0 6 110675.000 103038.030 6.90% - 2s 0 0 103039.630 0 5 110675.000 103039.630 6.90% - 2s 0 0 103039.630 0 5 110675.000 103039.630 6.90% - 2s H 0 0 103487.00000 103039.630 0.43% - 2s 0 0 103039.630 0 11 103487.000 103039.630 0.43% - 3s 0 0 103039.630 0 10 103487.000 103039.630 0.43% - 3s 0 0 103039.630 0 7 103487.000 103039.630 0.43% - 3s 0 0 103039.630 0 7 103487.000 103039.630 0.43% - 3s 0 0 103039.630 0 9 103487.000 103039.630 0.43% - 3s 0 0 103039.630 0 6 103487.000 103039.630 0.43% - 3s 0 0 103039.630 0 7 103487.000 103039.630 0.43% - 3s 0 0 103039.630 0 5 103487.000 103039.630 0.43% - 3s 0 0 103039.630 0 5 103487.000 103039.630 0.43% - 3s 0 2 103039.630 0 5 103487.000 103039.630 0.43% - 4s H 11 9 103373.00000 103133.003 0.23% 58.5 4s * 12 9 11 103305.00000 103133.003 0.17% 62.5 4s Cutting planes: Implied bound: 207 Flow cover: 10 Explored 27 nodes (7491 simplex iterations) in 4.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.033050000000e+05, best bound 1.033050000000e+05, gap 0.0%