Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:08:36 2013 Optimize a model with 93216 rows, 92256 columns and 368736 nonzeros Presolve removed 2753 rows and 0 columns Presolve time: 0.67s Presolved: 90463 rows, 92256 columns, 363230 nonzeros Variable types: 92160 continuous, 96 integer (96 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 19670 1.2041138e+05 9.742366e+02 0.000000e+00 5s 20194 1.2047034e+05 0.000000e+00 0.000000e+00 5s Root relaxation: objective 1.204703e+05, 20194 iterations, 5.40 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 120470.344 0 4 - 120470.344 - - 6s H 0 0 122763.00000 120470.344 1.87% - 6s 0 0 120471.449 0 6 122763.000 120471.449 1.87% - 7s 0 0 120471.551 0 6 122763.000 120471.551 1.87% - 8s 0 0 120472.798 0 6 122763.000 120472.798 1.87% - 9s 0 0 120472.798 0 6 122763.000 120472.798 1.87% - 9s H 0 0 121405.21887 120472.798 0.77% - 12s 0 0 120472.798 0 4 121405.219 120472.798 0.77% - 18s 0 0 120472.798 0 6 121405.219 120472.798 0.77% - 18s 0 2 120481.277 0 6 121405.219 120481.277 0.76% - 20s H 3 3 121368.00000 120526.027 0.69% 82.7 21s H 5 5 121349.83333 120526.027 0.68% 71.0 21s H 11 7 120760.00000 120526.027 0.19% 103 22s H 18 7 120680.76923 120529.520 0.13% 129 23s * 19 5 5 120651.00000 120529.520 0.10% 127 23s * 22 3 4 120629.00000 120535.306 0.08% 121 23s Cutting planes: Gomory: 1 Flow cover: 1 Explored 29 nodes (32560 simplex iterations) in 24.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.206290000000e+05, best bound 1.206290000000e+05, gap 0.0%