Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:58:42 2012 Optimize a model with 149 rows, 320 columns and 320 nonzeros Model has 296 quadratic constraints Presolve time: 1.72s Presolved: 149 rows, 320 columns, 320 nonzeros Variable types: 296 continuous, 24 integer (24 binary) Root relaxation: objective 0.000000e+00, 12 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 81.0000000 - - - 1s 0 0 0.00000 0 20 81.00000 0.00000 100% - 1s 0 0 0.40000 0 24 81.00000 0.40000 100% - 1s 0 2 0.45455 0 24 81.00000 0.45455 99.4% - 1s * 34 34 17 65.0000000 6.16250 90.5% 37.9 1s H 63 56 63.0000000 6.30000 90.0% 36.4 1s * 1013 464 45 62.0000000 29.10833 53.1% 40.2 3s * 1390 511 51 61.0000000 29.10833 52.3% 35.2 4s * 2064 595 51 60.0000000 31.20000 48.0% 30.4 4s 2443 654 43.50000 38 176 60.00000 34.00000 43.3% 29.3 5s H 3169 759 59.0000000 38.06667 35.5% 27.2 6s 6930 581 56.80000 51 169 59.00000 49.20000 16.6% 23.0 10s Explored 8515 nodes (184194 simplex iterations) in 10.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.900000000000e+01, best bound 5.900000000000e+01, gap 0.0%