Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:56:45 2012 Optimize a model with 147 rows, 346 columns and 346 nonzeros Model has 292 quadratic constraints Presolve time: 1.70s Presolved: 147 rows, 346 columns, 346 nonzeros Variable types: 292 continuous, 54 integer (54 binary) Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 78.0000000 - - - 1s 0 0 0.00000 0 20 78.00000 0.00000 100% - 1s 0 0 0.00000 0 20 78.00000 0.00000 100% - 1s 0 0 0.00000 0 20 78.00000 0.00000 100% - 1s 0 2 0.00000 0 19 78.00000 0.00000 100% - 1s * 35 35 25 44.0000000 6.75000 84.7% 35.9 1s H 70 55 40.0000000 7.07812 82.3% 28.6 1s H 238 154 37.0000000 9.75000 73.6% 28.2 1s * 488 233 12 34.0000000 14.28125 58.0% 27.0 2s * 493 216 16 33.0000000 14.28125 56.7% 26.9 2s 2952 843 28.13180 36 201 33.00000 21.70455 34.2% 24.4 5s 9793 1114 cutoff 41 33.00000 28.02439 15.1% 18.3 10s Explored 12701 nodes (223453 simplex iterations) in 11.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.300000000000e+01, best bound 3.300000000000e+01, gap 0.0%