Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:45:43 2013 Optimize a model with 91390 rows, 90440 columns and 361190 nonzeros Presolve removed 95 rows and 0 columns Presolve time: 0.45s Presolved: 91295 rows, 90440 columns, 361095 nonzeros Variable types: 90345 continuous, 95 integer (95 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9908 8.2063297e+04 1.145103e+05 0.000000e+00 5s 11789 8.3862680e+04 7.424684e+04 0.000000e+00 10s 13328 8.4821664e+04 1.766579e+04 0.000000e+00 15s 14675 8.5071293e+04 0.000000e+00 0.000000e+00 20s Root relaxation: objective 8.507129e+04, 14675 iterations, 20.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 85071.2926 0 71 - 85071.2926 - - 21s H 0 0 161915.00000 85071.2926 47.5% - 35s 0 0 111033.621 0 28 161915.000 111033.621 31.4% - 71s H 0 0 148872.00000 111033.621 25.4% - 80s H 0 0 146746.00000 111033.621 24.3% - 84s 0 0 121774.149 0 10 146746.000 121774.149 17.0% - 97s H 0 0 145277.00000 121774.149 16.2% - 97s 0 0 124424.136 0 3 145277.000 124424.136 14.4% - 103s H 0 0 131930.46787 124424.136 5.69% - 103s H 0 0 131265.00000 124424.136 5.21% - 103s 0 2 124427.584 0 3 131265.000 124427.584 5.21% - 105s H 1 1 126190.02678 124427.584 1.40% 0.0 106s H 2 2 125797.70755 124505.094 1.03% 314 106s 7 9 124790.034 6 2 125797.708 124640.225 0.92% 546 110s H 10 8 125572.94118 124640.225 0.74% 430 110s H 11 5 124886.00000 124640.225 0.20% 412 111s * 27 1 14 124866.00000 124866.000 0.0% 250 113s Cutting planes: Implied bound: 95 Explored 28 nodes (46346 simplex iterations) in 113.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.248660000000e+05, best bound 1.248660000000e+05, gap 0.0%