Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:57:21 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 1.248250e+05, 3260 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 124824.951 0 9 - 124824.951 - - 0s H 0 0 134881.00000 124824.951 7.46% - 0s 0 0 125281.222 0 8 134881.000 125281.222 7.12% - 0s 0 0 125337.581 0 6 134881.000 125337.581 7.08% - 1s H 0 0 132511.00000 125337.581 5.41% - 1s 0 0 125355.240 0 4 132511.000 125355.240 5.40% - 1s H 0 0 130728.24073 125355.240 4.11% - 1s H 0 0 129243.00000 125355.240 3.01% - 1s 0 0 125355.465 0 4 129243.000 125355.465 3.01% - 1s H 0 0 129182.00000 125355.465 2.96% - 1s 0 0 125355.484 0 4 129182.000 125355.484 2.96% - 1s H 0 0 129074.00000 125355.484 2.88% - 1s H 0 0 126179.00000 125355.484 0.65% - 1s 0 0 125355.484 0 9 126179.000 125355.484 0.65% - 2s 0 0 125355.484 0 8 126179.000 125355.484 0.65% - 2s 0 0 125355.484 0 6 126179.000 125355.484 0.65% - 2s 0 0 125355.484 0 4 126179.000 125355.484 0.65% - 2s 0 0 125355.484 0 4 126179.000 125355.484 0.65% - 2s 0 0 125355.484 0 4 126179.000 125355.484 0.65% - 3s 0 2 125355.732 0 4 126179.000 125355.732 0.65% - 3s H 11 9 125762.00000 125520.868 0.19% 109 4s * 13 6 11 125740.00000 125520.868 0.17% 96.8 4s Cutting planes: Implied bound: 197 Flow cover: 12 Explored 28 nodes (10414 simplex iterations) in 4.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.257400000000e+05, best bound 1.257400000000e+05, gap 0.0%