Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:43:06 2013 Optimize a model with 979 rows, 79299 columns and 158509 nonzeros Presolve time: 0.13s Presolved: 979 rows, 79299 columns, 158509 nonzeros Variable types: 79210 continuous, 89 integer (89 binary) Root relaxation: objective 1.057273e+05, 2779 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 105727.312 0 6 - 105727.312 - - 0s H 0 0 115851.00000 105727.312 8.74% - 0s 0 0 105817.718 0 6 115851.000 105817.718 8.66% - 0s 0 0 105832.860 0 5 115851.000 105832.860 8.65% - 0s 0 0 105835.718 0 5 115851.000 105835.718 8.64% - 0s 0 0 105844.011 0 5 115851.000 105844.011 8.64% - 1s 0 0 105848.537 0 5 115851.000 105848.537 8.63% - 1s 0 0 105848.896 0 4 115851.000 105848.896 8.63% - 1s H 0 0 113935.80681 105848.896 7.10% - 1s H 0 0 112706.00000 105848.896 6.08% - 1s 0 0 105853.690 0 4 112706.000 105853.690 6.08% - 1s H 0 0 112639.00000 105853.690 6.02% - 1s 0 0 105854.332 0 4 112639.000 105854.332 6.02% - 1s 0 0 105856.028 0 4 112639.000 105856.028 6.02% - 1s 0 0 105856.028 0 4 112639.000 105856.028 6.02% - 1s H 0 0 112557.00000 105856.028 5.95% - 1s H 0 0 111114.00000 105856.028 4.73% - 2s 0 0 105856.028 0 4 111114.000 105856.028 4.73% - 2s 0 2 105865.153 0 4 111114.000 105865.153 4.72% - 2s H 8 8 108481.00000 105925.490 2.36% 49.5 3s H 9 9 106559.00000 105925.490 0.59% 49.0 3s * 12 8 11 106034.00000 105925.490 0.10% 53.8 3s Cutting planes: Implied bound: 75 Flow cover: 6 Explored 19 nodes (3990 simplex iterations) in 3.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.060340000000e+05, best bound 1.060340000000e+05, gap 0.0%