Gurobi 5.0.1 (linux64) logging started Sat Nov 17 11:32:22 2012 Optimize a model with 86402 rows, 62250 columns and 320212 nonzeros Presolve removed 2012 rows and 4980 columns (presolve time = 5s) ... Presolve removed 2014 rows and 4982 columns Presolve time: 8.01s Presolved: 84388 rows, 57268 columns, 309574 nonzeros Variable types: 0 continuous, 57268 integer (57268 binary) Found heuristic solution: objective 249.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 39303 3.0001082e+00 5.308000e+02 0.000000e+00 5s 44444 3.0001466e+00 1.697500e+02 0.000000e+00 10s 48116 3.0001593e+00 3.051000e+02 0.000000e+00 15s 54056 3.0001698e+00 6.265845e+01 0.000000e+00 20s 56201 3.0001802e+00 1.358518e+03 0.000000e+00 25s 58016 3.0001845e+00 1.067973e+02 0.000000e+00 30s 59831 3.0001866e+00 2.177885e+02 0.000000e+00 35s 61811 3.0001882e+00 9.427329e+01 0.000000e+00 40s 63956 3.0001904e+00 3.679214e+02 0.000000e+00 45s 66101 3.0001922e+00 7.380527e+01 0.000000e+00 50s 68081 3.0001939e+00 9.451230e+01 0.000000e+00 55s 70226 3.0001958e+00 1.598567e+02 0.000000e+00 60s 72371 3.0001985e+00 4.875986e+01 0.000000e+00 65s 74516 3.0002008e+00 4.262951e+01 0.000000e+00 70s 76661 3.0002032e+00 1.056324e+02 0.000000e+00 75s 78641 3.0002054e+00 3.735767e+01 0.000000e+00 80s 80786 3.0002088e+00 1.852273e+01 0.000000e+00 85s 82766 3.0002116e+00 1.513918e+01 0.000000e+00 90s 84746 3.0002147e+00 1.517944e+01 0.000000e+00 95s 86726 3.0002175e+00 4.425238e+01 0.000000e+00 100s 88541 3.0002201e+00 1.471616e+01 0.000000e+00 105s 90521 3.0002227e+00 1.068471e+01 0.000000e+00 110s 92501 3.0002254e+00 1.617597e+02 0.000000e+00 115s 94481 3.0002284e+00 1.675916e+03 0.000000e+00 120s 96461 3.0002313e+00 4.838902e+01 0.000000e+00 125s 98441 3.0002355e+00 8.035461e+00 0.000000e+00 130s 100421 3.0002436e+00 2.756536e+01 0.000000e+00 135s 102264 3.0002495e+00 2.467022e+01 0.000000e+00 140s 104079 3.0002529e+00 4.656307e+00 0.000000e+00 145s 105894 3.0002568e+00 8.574513e-01 0.000000e+00 150s 106424 3.0000000e+00 0.000000e+00 0.000000e+00 152s Root relaxation: objective 3.000000e+00, 106424 iterations, 151.82 seconds Total elapsed time = 251.24s Total elapsed time = 267.05s Total elapsed time = 278.47s Total elapsed time = 282.11s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 282s Explored 0 nodes (280392 simplex iterations) in 282.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%