Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:52:45 2012 Optimize a model with 158 rows, 367 columns and 367 nonzeros Model has 314 quadratic constraints Presolve time: 1.83s Presolved: 158 rows, 367 columns, 367 nonzeros Variable types: 314 continuous, 53 integer (53 binary) Root relaxation: objective 0.000000e+00, 26 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 103.0000000 - - - 1s 0 0 0.00000 0 38 103.00000 0.00000 100% - 1s 0 0 0.31971 0 53 103.00000 0.31971 100% - 1s 0 2 0.33333 0 53 103.00000 0.33333 100% - 1s * 40 37 26 48.0000000 5.51515 88.5% 36.2 1s H 76 64 45.0000000 5.64706 87.5% 30.7 1s * 76 64 25 44.0000000 5.64706 87.2% 31.0 1s H 113 87 41.0000000 7.00000 82.9% 30.4 1s * 463 235 17 40.0000000 15.74390 60.6% 32.3 2s 2287 819 33.26667 26 218 40.00000 22.00000 45.0% 28.0 5s 8206 2149 39.43293 32 211 40.00000 29.42857 26.4% 20.4 10s H14444 2205 39.0000000 32.75000 16.0% 18.8 14s 14470 2200 36.42857 31 208 39.00000 32.76786 16.0% 18.8 15s 15287 1986 37.10000 38 209 39.00000 33.42500 14.3% 18.8 20s Explored 19119 nodes (342649 simplex iterations) in 24.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.900000000000e+01, best bound 3.900000000000e+01, gap 0.0%