Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:28:03 2012 Optimize a model with 153 rows, 355 columns and 355 nonzeros Model has 304 quadratic constraints Presolve time: 1.77s Presolved: 153 rows, 355 columns, 355 nonzeros Variable types: 304 continuous, 51 integer (51 binary) Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 70.0000000 - - - 1s 0 0 0.00000 0 26 70.00000 0.00000 100% - 1s 0 0 0.00000 0 38 70.00000 0.00000 100% - 1s 0 0 0.00000 0 38 70.00000 0.00000 100% - 1s 0 2 0.00000 0 38 70.00000 0.00000 100% - 1s H 27 27 63.0000000 4.00358 93.6% 35.3 1s * 38 36 24 42.0000000 4.00358 90.5% 32.6 1s H 161 125 40.0000000 10.49175 73.8% 30.0 1s * 163 122 19 39.0000000 10.49175 73.1% 29.9 1s 2750 857 30.50000 33 208 39.00000 22.34211 42.7% 24.3 5s * 3752 1073 50 38.0000000 24.00000 36.8% 22.7 5s H 6212 1362 37.0000000 26.71429 27.8% 20.8 10s 8587 1290 34.88889 39 193 37.00000 29.42857 20.5% 20.1 15s Explored 12337 nodes (235642 simplex iterations) in 19.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%