Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:27:04 2013 Optimize a model with 924 rows, 70644 columns and 141204 nonzeros Presolve time: 0.11s Presolved: 924 rows, 70644 columns, 141204 nonzeros Variable types: 70560 continuous, 84 integer (84 binary) Root relaxation: objective 1.123684e+05, 2929 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 112368.357 0 8 - 112368.357 - - 0s H 0 0 124959.00000 112368.357 10.1% - 0s H 0 0 124368.00000 112368.357 9.65% - 0s 0 0 112922.204 0 10 124368.000 112922.204 9.20% - 0s 0 0 113000.264 0 6 124368.000 113000.264 9.14% - 0s H 0 0 123724.00000 113000.264 8.67% - 0s 0 0 113012.541 0 9 123724.000 113012.541 8.66% - 0s H 0 0 123593.00000 113012.541 8.56% - 0s 0 0 113013.470 0 6 123593.000 113013.470 8.56% - 1s H 0 0 123516.00000 113013.470 8.50% - 1s 0 0 113013.470 0 6 123516.000 113013.470 8.50% - 1s 0 0 113013.470 0 6 123516.000 113013.470 8.50% - 1s H 0 0 116865.00000 113013.470 3.30% - 1s 0 2 113031.366 0 6 116865.000 113031.366 3.28% - 1s H 10 10 114825.62857 113234.369 1.39% 110 2s H 11 11 114633.00000 113234.369 1.22% 115 2s H 16 16 114508.00000 113234.369 1.11% 119 2s H 17 15 114227.00000 113234.369 0.87% 115 2s * 20 17 14 113770.00000 113234.369 0.47% 107 2s * 36 22 15 113654.00000 113253.088 0.35% 91.1 3s H 45 22 113596.00000 113253.402 0.30% 84.2 3s H 46 22 113572.54930 113253.402 0.28% 82.6 3s H 51 22 113508.00000 113253.402 0.22% 77.5 3s * 52 20 15 113478.00000 113253.402 0.20% 76.7 3s Cutting planes: Implied bound: 231 Flow cover: 15 Explored 92 nodes (9380 simplex iterations) in 4.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.134780000000e+05, best bound 1.134753797468e+05, gap 0.0023%