Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:47:11 2013 Optimize a model with 85744 rows, 84824 columns and 338744 nonzeros Presolve removed 92 rows and 0 columns Presolve time: 0.41s Presolved: 85652 rows, 84824 columns, 338652 nonzeros Variable types: 84732 continuous, 92 integer (92 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9332 8.4777662e+04 2.526918e+05 0.000000e+00 5s 10992 8.6284712e+04 2.929130e+04 0.000000e+00 10s 12468 8.6572926e+04 0.000000e+00 0.000000e+00 15s Root relaxation: objective 8.657293e+04, 12468 iterations, 14.77 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 86572.9260 0 69 - 86572.9260 - - 15s H 0 0 175703.00000 86572.9260 50.7% - 26s 0 0 111822.660 0 22 175703.000 111822.660 36.4% - 50s H 0 0 174739.54819 111822.660 36.0% - 50s H 0 0 147659.00000 111822.660 24.3% - 53s 0 0 121339.420 0 10 147659.000 121339.420 17.8% - 61s H 0 0 147052.00000 121339.420 17.5% - 61s 0 0 126334.522 0 7 147052.000 126334.522 14.1% - 64s H 0 0 143239.05301 126334.522 11.8% - 64s H 0 0 134159.00000 126334.522 5.83% - 64s H 0 0 126566.00000 126334.522 0.18% - 65s 0 0 126373.038 0 6 126566.000 126373.038 0.15% - 65s 0 2 126378.366 0 6 126566.000 126378.366 0.15% - 70s * 11 6 8 126548.00000 126403.476 0.11% 155 72s 42 9 126541.507 8 1 126548.000 126456.769 0.07% 136 75s * 52 0 7 126533.00000 126533.000 0.0% 133 75s Cutting planes: Implied bound: 92 Explored 53 nodes (37661 simplex iterations) in 75.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265330000000e+05, best bound 1.265330000000e+05, gap 0.0%