current bounds on the number of colors: 0 -- 241 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:44:33 2012 Optimize a model with 34321 rows, 29204 columns and 131160 nonzeros Presolve removed 24 rows and 2880 columns Presolve time: 0.15s Presolved: 34297 rows, 26324 columns, 128280 nonzeros Variable types: 0 continuous, 26324 integer (26324 binary) Root relaxation: objective 0.000000e+00, 414 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (414 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 120 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:44:34 2012 Optimize a model with 17281 rows, 14744 columns and 65580 nonzeros Presolve removed 24 rows and 1440 columns Presolve time: 0.12s Presolved: 17257 rows, 13304 columns, 64140 nonzeros Variable types: 0 continuous, 13304 integer (13304 binary) Root relaxation: objective 0.000000e+00, 413 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (413 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 60 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:44:34 2012 Optimize a model with 8761 rows, 7514 columns and 32790 nonzeros Presolve removed 24 rows and 720 columns Presolve time: 0.06s Presolved: 8737 rows, 6794 columns, 32070 nonzeros Variable types: 0 continuous, 6794 integer (6794 binary) Root relaxation: objective 0.000000e+00, 408 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (408 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 30 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:44:35 2012 Optimize a model with 4501 rows, 3899 columns and 16395 nonzeros Presolve removed 24 rows and 360 columns Presolve time: 0.02s Presolved: 4477 rows, 3539 columns, 16035 nonzeros Variable types: 0 continuous, 3539 integer (3539 binary) Root relaxation: objective 0.000000e+00, 441 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (682 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 15 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:44:35 2012 Optimize a model with 2229 rows, 1971 columns and 7651 nonzeros Presolve removed 24 rows and 168 columns Presolve time: 0.01s Presolved: 2205 rows, 1803 columns, 7483 nonzeros Variable types: 0 continuous, 1803 integer (1803 binary) Root relaxation: objective 0.000000e+00, 404 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (404 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 7 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:44:35 2012 Optimize a model with 1093 rows, 1007 columns and 3279 nonzeros Presolve removed 24 rows and 72 columns Presolve time: 0.00s Presolved: 1069 rows, 935 columns, 3207 nonzeros Variable types: 0 continuous, 935 integer (935 binary) Root relaxation: objective 0.000000e+00, 460 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (652 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:44:35 2012 Optimize a model with 525 rows, 525 columns and 1093 nonzeros Presolve removed 525 rows and 525 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound -, gap - current bounds on the number of colors: 1 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:44:35 2012 Optimize a model with 809 rows, 766 columns and 2186 nonzeros Presolve removed 243 rows and 268 columns Presolve time: 0.00s Presolved: 566 rows, 498 columns, 1698 nonzeros Variable types: 0 continuous, 498 integer (498 binary) Root relaxation: objective 0.000000e+00, 249 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 215 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (827 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - optimal solution found: number of colors: 3