Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:50:56 2013 Optimize a model with 66582 rows, 65772 columns and 262602 nonzeros Presolve removed 81 rows and 0 columns Presolve time: 0.30s Presolved: 66501 rows, 65772 columns, 262521 nonzeros Variable types: 65691 continuous, 81 integer (81 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7776 6.7455916e+04 1.608305e+03 0.000000e+00 5s 8195 6.7486439e+04 0.000000e+00 0.000000e+00 6s Root relaxation: objective 6.748644e+04, 8195 iterations, 5.95 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 67486.4389 0 60 - 67486.4389 - - 6s H 0 0 114119.00000 67486.4389 40.9% - 10s 0 0 83123.3174 0 20 114119.000 83123.3174 27.2% - 22s H 0 0 110128.00000 83123.3174 24.5% - 26s 0 0 92753.1197 0 6 110128.000 92753.1197 15.8% - 30s H 0 0 101117.54691 92753.1197 8.27% - 30s H 0 0 98987.000000 92753.1197 6.30% - 30s 0 0 93608.7202 0 2 98987.0000 93608.7202 5.43% - 32s H 0 0 97709.650546 93608.7202 4.20% - 32s H 0 0 97300.000000 93608.7202 3.79% - 32s 0 0 93750.9398 0 3 97300.0000 93750.9398 3.65% - 32s H 0 0 96032.238095 93750.9398 2.38% - 32s H 0 0 95777.000000 93750.9398 2.12% - 32s 0 2 93752.4637 0 3 95777.0000 93752.4637 2.11% - 33s H 1 1 94329.809524 93752.4637 0.61% 0.0 34s H 3 3 93866.647059 93796.0827 0.08% 141 34s * 6 1 5 93853.000000 93853.0000 0.0% 136 34s Cutting planes: Implied bound: 80 Explored 7 nodes (20766 simplex iterations) in 34.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.385300000000e+04, best bound 9.385300000000e+04, gap 0.0%