Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:47:54 2014 Optimize a model with 11326 rows, 5701 columns and 28125 nonzeros Presolve removed 75 rows and 0 columns Presolve time: 0.13s Presolved: 11251 rows, 5701 columns, 28050 nonzeros Variable types: 1 continuous, 5700 integer (5700 binary) Found heuristic solution: objective 0.8575167 Found heuristic solution: objective 0.8496637 Found heuristic solution: objective 0.8339207 Root relaxation: objective 5.025743e-03, 7267 iterations, 1.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00503 0 4883 0.83392 0.00503 99.4% - 1s H 0 0 0.7962998 0.00503 99.4% - 2s 0 0 0.00553 0 4618 0.79630 0.00553 99.3% - 3s H 0 0 0.4453623 0.00553 98.8% - 3s 0 0 0.01303 0 2120 0.44536 0.01303 97.1% - 9s 0 0 0.01673 0 1820 0.44536 0.01673 96.2% - 10s H 0 0 0.4311861 0.01673 96.1% - 10s 0 0 0.01751 0 1740 0.43119 0.01751 95.9% - 10s H 0 0 0.3880539 0.01751 95.5% - 10s H 0 0 0.3796824 0.01751 95.4% - 10s 0 0 0.02963 0 1328 0.37968 0.02963 92.2% - 10s H 0 0 0.3781945 0.02963 92.2% - 10s 0 0 0.02993 0 1335 0.37819 0.02993 92.1% - 11s 0 0 0.02994 0 1280 0.37819 0.02994 92.1% - 11s H 0 0 0.3609344 0.02994 91.7% - 11s 0 0 0.03168 0 1028 0.36093 0.03168 91.2% - 11s 0 2 0.03228 0 1016 0.36093 0.03228 91.1% - 17s H 1 2 0.3172770 0.03228 89.8% 2316 18s 7 6 0.10738 0 509 0.31728 0.10738 66.2% 331 20s H 8 6 0.3005417 0.11275 62.5% 290 20s H 11 7 0.2748196 0.11519 58.1% 211 21s H 47 28 0.2691500 0.14281 46.9% 471 23s * 52 27 30 0.2662344 0.14281 46.4% 442 24s * 62 28 35 0.2660282 0.14281 46.3% 382 24s * 71 29 40 0.2628638 0.14281 45.7% 337 24s H 74 28 0.2469846 0.14281 42.2% 324 24s * 75 25 42 0.2438047 0.14281 41.4% 320 24s * 77 23 43 0.2385506 0.14281 40.1% 312 24s * 80 18 23 0.2340320 0.14399 38.5% 305 24s Cutting planes: Gomory: 6 MIR: 14 Zero half: 10 Explored 99 nodes (63668 simplex iterations) in 24.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.340319619311e-01, best bound 2.340319619311e-01, gap 0.0%