Gurobi 5.0.1 (linux64) logging started Sat Nov 17 11:48:06 2012 Optimize a model with 79928 rows, 62250 columns and 300790 nonzeros Presolve removed 522 rows and 5976 columns (presolve time = 5s) ... Presolve removed 524 rows and 5978 columns Presolve time: 6.85s Presolved: 79404 rows, 56272 columns, 292931 nonzeros Variable types: 0 continuous, 56272 integer (56272 binary) Found heuristic solution: objective 249.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 38003 3.0001052e+00 3.312857e+02 0.000000e+00 5s 42668 3.0001365e+00 1.169048e+02 0.000000e+00 10s 49647 3.0001573e+00 4.887755e+01 0.000000e+00 15s 52706 3.0001678e+00 3.444409e+02 0.000000e+00 20s 54960 3.0001726e+00 2.095737e+02 0.000000e+00 25s 57214 3.0001757e+00 1.384606e+03 0.000000e+00 30s 59790 3.0001789e+00 4.409046e+02 0.000000e+00 35s 62366 3.0001823e+00 7.053240e+01 0.000000e+00 40s 64942 3.0001857e+00 2.089912e+01 0.000000e+00 45s 67357 3.0001892e+00 3.085134e+01 0.000000e+00 50s 69933 3.0001931e+00 8.841366e+01 0.000000e+00 55s 72348 3.0001965e+00 2.905652e+01 0.000000e+00 60s 74763 3.0002001e+00 2.151177e+01 0.000000e+00 65s 77339 3.0002044e+00 4.922262e+01 0.000000e+00 70s 79754 3.0002079e+00 2.224080e+01 0.000000e+00 75s 82169 3.0002116e+00 7.148872e+02 0.000000e+00 80s 84584 3.0002141e+00 1.177644e+01 0.000000e+00 85s 86677 3.0002160e+00 1.305984e+01 0.000000e+00 90s 89092 3.0002191e+00 3.038141e+01 0.000000e+00 95s 91346 3.0002215e+00 6.024901e+00 0.000000e+00 100s 93600 3.0002240e+00 7.718812e+00 0.000000e+00 105s 95854 3.0002259e+00 1.210170e+01 0.000000e+00 110s 97786 3.0002264e+00 1.109988e+01 0.000000e+00 115s 99261 3.0000000e+00 0.000000e+00 0.000000e+00 119s Root relaxation: objective 3.000000e+00, 99261 iterations, 118.65 seconds Total elapsed time = 199.11s Total elapsed time = 200.88s 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% - 205s Explored 0 nodes (193418 simplex iterations) in 205.31 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%