Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:48:43 2013 Optimize a model with 73270 rows, 72420 columns and 289170 nonzeros Presolve removed 85 rows and 0 columns Presolve time: 0.34s Presolved: 73185 rows, 72420 columns, 289085 nonzeros Variable types: 72335 continuous, 85 integer (85 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8302 6.9505866e+04 3.526193e+03 0.000000e+00 5s 10004 7.0189771e+04 0.000000e+00 0.000000e+00 9s Root relaxation: objective 7.018977e+04, 10004 iterations, 9.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 70189.7710 0 67 - 70189.7710 - - 9s H 0 0 131774.00000 70189.7710 46.7% - 18s 0 0 95153.9068 0 14 131774.000 95153.9068 27.8% - 34s H 0 0 128928.02676 95153.9068 26.2% - 34s H 0 0 116978.00000 95153.9068 18.7% - 35s 0 0 103947.570 0 10 116978.000 103947.570 11.1% - 38s H 0 0 111845.00000 103947.570 7.06% - 38s 0 0 104913.775 0 4 111845.000 104913.775 6.20% - 40s 0 0 105207.068 0 4 111845.000 105207.068 5.93% - 41s H 0 0 111105.00000 105207.068 5.31% - 41s 0 2 105227.451 0 4 111105.000 105227.451 5.29% - 43s H 1 1 109542.35220 105227.451 3.94% 0.0 43s H 2 2 107720.15496 105323.892 2.22% 258 43s H 4 4 105949.96774 105380.998 0.54% 305 44s H 5 5 105523.00000 105380.998 0.13% 295 44s * 7 5 6 105485.00000 105380.998 0.10% 261 44s 10 3 105447.475 1 3 105485.000 105394.472 0.09% 230 45s Cutting planes: Implied bound: 83 Explored 18 nodes (28595 simplex iterations) in 45.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.054850000000e+05, best bound 1.054850000000e+05, gap 0.0%