Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:27:17 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 1.147039e+05, 3574 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 114703.922 0 10 - 114703.922 - - 0s H 0 0 125172.00000 114703.922 8.36% - 0s 0 0 115070.817 0 6 125172.000 115070.817 8.07% - 0s H 0 0 125126.37622 115070.817 8.04% - 0s H 0 0 124389.00000 115070.817 7.49% - 0s 0 0 115123.299 0 6 124389.000 115123.299 7.45% - 0s H 0 0 121119.00000 115123.299 4.95% - 0s 0 0 115135.375 0 7 121119.000 115135.375 4.94% - 1s 0 0 115140.211 0 6 121119.000 115140.211 4.94% - 1s 0 0 115140.471 0 5 121119.000 115140.471 4.94% - 1s 0 0 115140.471 0 5 121119.000 115140.471 4.94% - 1s 0 0 115140.768 0 4 121119.000 115140.768 4.94% - 1s H 0 0 121015.65383 115140.768 4.85% - 1s H 0 0 120123.00000 115140.768 4.15% - 1s 0 0 115143.222 0 5 120123.000 115143.222 4.15% - 1s 0 0 115143.265 0 4 120123.000 115143.265 4.15% - 1s 0 0 115143.306 0 4 120123.000 115143.306 4.15% - 1s 0 2 115147.549 0 4 120123.000 115147.549 4.14% - 2s H 2 2 118531.56716 115199.954 2.81% 46.5 2s H 9 9 117355.25301 115202.787 1.83% 65.6 2s H 10 10 116300.57143 115202.787 0.94% 62.6 2s H 12 9 115662.01493 115202.787 0.40% 64.2 3s H 13 9 115558.64706 115202.787 0.31% 63.6 3s H 14 9 115494.00000 115202.787 0.25% 60.4 3s * 17 6 15 115431.00000 115202.787 0.20% 55.6 3s Cutting planes: Implied bound: 147 Flow cover: 10 Explored 70 nodes (8084 simplex iterations) in 4.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.154310000000e+05, best bound 1.154292308842e+05, gap 0.0015%