Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:54:31 2013 Optimize a model with 946 rows, 74046 columns and 148006 nonzeros Presolve time: 0.12s Presolved: 946 rows, 74046 columns, 148006 nonzeros Variable types: 73960 continuous, 86 integer (86 binary) Root relaxation: objective 1.005178e+05, 2685 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 100517.763 0 4 - 100517.763 - - 0s H 0 0 102400.00000 100517.763 1.84% - 0s 0 0 100609.239 0 2 102400.000 100609.239 1.75% - 0s 0 0 100615.461 0 2 102400.000 100615.461 1.74% - 0s 0 0 100625.250 0 1 102400.000 100625.250 1.73% - 0s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 0s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 0s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 1s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 1s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 1s 0 0 100626.870 0 4 102400.000 100626.870 1.73% - 1s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 1s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 1s 0 0 100626.870 0 1 102400.000 100626.870 1.73% - 2s 0 0 100626.870 0 1 102400.000 100626.870 1.73% - 2s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 2s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 2s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 2s 0 0 100626.870 0 2 102400.000 100626.870 1.73% - 2s 0 0 100627.326 0 2 102400.000 100627.326 1.73% - 2s 0 0 100627.326 0 2 102400.000 100627.326 1.73% - 2s 0 2 100631.726 0 2 102400.000 100631.726 1.73% - 2s H 2 2 101181.04348 100683.935 0.49% 43.5 3s H 5 4 101170.00000 100757.700 0.41% 54.8 3s H 6 4 100886.22222 100772.270 0.11% 53.7 3s * 8 1 7 100847.00000 100772.270 0.07% 55.1 3s Cutting planes: Implied bound: 38 Flow cover: 1 Explored 13 nodes (6002 simplex iterations) in 3.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.008470000000e+05, best bound 1.008470000000e+05, gap 0.0%