Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:59:45 2013 Optimize a model with 101200 rows, 100200 columns and 400200 nonzeros Presolve removed 100 rows and 0 columns Presolve time: 0.51s Presolved: 101100 rows, 100200 columns, 400100 nonzeros Variable types: 100100 continuous, 100 integer (100 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 10562 8.5893742e+04 1.060257e+05 0.000000e+00 5s 11994 8.6961461e+04 8.108726e+04 0.000000e+00 10s 13426 8.7497123e+04 1.915552e+05 0.000000e+00 16s 14217 8.7557939e+04 0.000000e+00 0.000000e+00 18s Root relaxation: objective 8.755794e+04, 14217 iterations, 18.50 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 87557.9394 0 74 - 87557.9394 - - 19s H 0 0 168473.00000 87557.9394 48.0% - 36s 0 0 112877.032 0 26 168473.000 112877.032 33.0% - 74s H 0 0 152945.00000 112877.032 26.2% - 78s 0 0 128477.458 0 13 152945.000 128477.458 16.0% - 95s H 0 0 144853.00000 128477.458 11.3% - 95s 0 0 131346.952 0 2 144853.000 131346.952 9.32% - 100s H 0 0 137033.62056 131346.952 4.15% - 100s H 0 0 136172.00000 131346.952 3.54% - 100s 0 0 131712.707 0 2 136172.000 131712.707 3.27% - 102s H 0 0 136167.88185 131712.707 3.27% - 102s H 0 0 135391.00000 131712.707 2.72% - 103s H 0 0 135198.00000 131712.707 2.58% - 103s 0 2 131725.833 0 2 135198.000 131725.833 2.57% - 107s H 1 1 134179.48649 131725.833 1.83% 0.0 107s H 3 3 132054.00000 131797.769 0.19% 351 108s H 4 3 131905.45455 131802.194 0.08% 320 109s H 6 3 131865.30000 131823.800 0.03% 286 109s * 7 3 6 131848.00000 131824.529 0.02% 272 109s 8 2 131845.154 6 1 131848.000 131843.750 0.00% 267 110s Cutting planes: Implied bound: 99 Explored 9 nodes (42059 simplex iterations) in 110.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.318480000000e+05, best bound 1.318437500000e+05, gap 0.0032%