current bounds on the number of colors: 0 -- 237 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:59 2012 Optimize a model with 35519 rows, 28265 columns and 133812 nonzeros Presolve removed 24 rows and 2832 columns Presolve time: 0.17s Presolved: 35495 rows, 25433 columns, 130980 nonzeros Variable types: 0 continuous, 25433 integer (25433 binary) Root relaxation: objective 0.000000e+00, 419 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 (419 simplex iterations) in 0.20 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 -- 118 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:59 2012 Optimize a model with 17878 rows, 14282 columns and 66906 nonzeros Presolve removed 24 rows and 1416 columns Presolve time: 0.12s Presolved: 17854 rows, 12866 columns, 65490 nonzeros Variable types: 0 continuous, 12866 integer (12866 binary) Root relaxation: objective 0.000000e+00, 420 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 (420 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 -- 59 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:43:00 2012 Optimize a model with 8908 rows, 7172 columns and 32886 nonzeros Presolve removed 24 rows and 696 columns Presolve time: 0.05s Presolved: 8884 rows, 6476 columns, 32190 nonzeros Variable types: 0 continuous, 6476 integer (6476 binary) Root relaxation: objective 0.000000e+00, 407 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 (407 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 -- 29 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:43:00 2012 Optimize a model with 4423 rows, 3617 columns and 15876 nonzeros Presolve removed 24 rows and 336 columns Presolve time: 0.02s Presolved: 4399 rows, 3281 columns, 15540 nonzeros Variable types: 0 continuous, 3281 integer (3281 binary) Root relaxation: objective 0.000000e+00, 410 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 (625 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 -- 14 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:43:00 2012 Optimize a model with 2330 rows, 1958 columns and 7938 nonzeros Presolve removed 24 rows and 168 columns Presolve time: 0.01s Presolved: 2306 rows, 1790 columns, 7770 nonzeros Variable types: 0 continuous, 1790 integer (1790 binary) Root relaxation: objective 0.000000e+00, 427 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 (635 simplex iterations) in 0.02 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 16:43:00 2012 Optimize a model with 1134 rows, 1010 columns and 3402 nonzeros Presolve removed 24 rows and 72 columns Presolve time: 0.00s Presolved: 1110 rows, 938 columns, 3330 nonzeros Variable types: 0 continuous, 938 integer (938 binary) Root relaxation: objective 0.000000e+00, 424 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 (675 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 16:43:00 2012 Optimize a model with 536 rows, 536 columns and 1134 nonzeros Presolve removed 536 rows and 536 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 16:43:00 2012 Optimize a model with 835 rows, 773 columns and 2268 nonzeros Presolve removed 239 rows and 264 columns Presolve time: 0.00s Presolved: 596 rows, 509 columns, 1788 nonzeros Variable types: 0 continuous, 509 integer (509 binary) Root relaxation: objective 0.000000e+00, 242 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 0 211 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (857 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