Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:17:50 2013 Optimize a model with 1001 rows, 82901 columns and 165711 nonzeros Presolve time: 0.14s Presolved: 1001 rows, 82901 columns, 165711 nonzeros Variable types: 82810 continuous, 91 integer (91 binary) Root relaxation: objective 1.222468e+05, 3631 iterations, 0.17 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 122246.803 0 4 - 122246.803 - - 0s H 0 0 129390.00000 122246.803 5.52% - 0s H 0 0 128834.00000 122246.803 5.11% - 0s H 0 0 126001.00000 122246.803 2.98% - 0s 0 0 122260.360 0 2 126001.000 122260.360 2.97% - 0s H 0 0 123487.96006 122260.360 0.99% - 0s H 0 0 123306.00000 122260.360 0.85% - 0s 0 0 122265.167 0 2 123306.000 122265.167 0.84% - 1s 0 0 122265.679 0 2 123306.000 122265.679 0.84% - 1s 0 0 122265.679 0 2 123306.000 122265.679 0.84% - 1s 0 0 122265.679 0 4 123306.000 122265.679 0.84% - 1s H 0 0 123170.00000 122265.679 0.73% - 2s 0 0 122265.679 0 2 123170.000 122265.679 0.73% - 2s 0 0 122265.679 0 2 123170.000 122265.679 0.73% - 2s 0 0 122265.679 0 2 123170.000 122265.679 0.73% - 2s 0 0 122265.679 0 2 123170.000 122265.679 0.73% - 2s 0 2 122290.550 0 2 123170.000 122290.550 0.71% - 2s H 8 7 122896.00000 122487.683 0.33% 95.9 3s H 9 6 122766.00000 122487.683 0.23% 88.0 3s * 14 6 12 122667.00000 122487.683 0.15% 74.0 3s Cutting planes: Implied bound: 40 Flow cover: 8 Explored 21 nodes (8887 simplex iterations) in 3.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226670000000e+05, best bound 1.226670000000e+05, gap 0.0%