Gurobi 5.0.1 (linux64) logging started Wed Apr 24 10:10:49 2013 Optimize a model with 101200 rows, 100200 columns and 400200 nonzeros Presolve removed 100 rows and 0 columns Presolve time: 0.51s Presolved: 101100 rows, 100200 columns, 400100 nonzeros Variable types: 100100 continuous, 100 integer (100 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9891 8.1343193e+04 1.491599e+05 0.000000e+00 5s 11502 8.2887536e+04 1.205406e+05 0.000000e+00 10s 12934 8.3879704e+04 3.243737e+04 0.000000e+00 15s 14366 8.4168683e+04 2.072801e+01 0.000000e+00 20s 14669 8.4172880e+04 0.000000e+00 0.000000e+00 21s Root relaxation: objective 8.417288e+04, 14669 iterations, 21.49 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 84172.8797 0 76 - 84172.8797 - - 22s H 0 0 173105.00000 84172.8797 51.4% - 42s 0 0 117236.292 0 19 173105.000 117236.292 32.3% - 80s H 0 0 148319.00000 117236.292 21.0% - 85s 0 0 126439.604 0 11 148319.000 126439.604 14.8% - 97s 0 0 129017.117 0 4 148319.000 129017.117 13.0% - 103s H 0 0 145869.57497 129017.117 11.6% - 103s H 0 0 144250.00000 129017.117 10.6% - 103s 0 0 129534.186 0 1 144250.000 129534.186 10.2% - 105s H 0 0 130013.50847 129534.186 0.37% - 106s H 0 0 129748.00000 129534.186 0.16% - 106s 0 2 129534.960 0 1 129748.000 129534.960 0.16% - 107s H 3 1 129692.21951 129564.976 0.10% 160 108s H 5 1 129692.00000 129593.857 0.08% 166 109s * 6 2 6 129632.00000 129632.000 0.0% 207 109s Cutting planes: Implied bound: 100 Explored 7 nodes (42866 simplex iterations) in 109.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.296320000000e+05, best bound 1.296320000000e+05, gap 0.0%