current bounds on the number of colors: 0 -- 205 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:31 2012 Optimize a model with 22543 rows, 21129 columns and 87924 nonzeros Presolve removed 16 rows and 1632 columns Presolve time: 0.14s Presolved: 22527 rows, 19497 columns, 86292 nonzeros Variable types: 0 continuous, 19497 integer (19497 binary) Root relaxation: objective 0.000000e+00, 348 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 (348 simplex iterations) in 0.16 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 -- 102 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:32 2012 Optimize a model with 11374 rows, 10674 columns and 43962 nonzeros Presolve removed 16 rows and 816 columns Presolve time: 0.11s Presolved: 11358 rows, 9858 columns, 43146 nonzeros Variable types: 0 continuous, 9858 integer (9858 binary) Root relaxation: objective 0.000000e+00, 348 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 (348 simplex iterations) in 0.12 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 -- 51 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:32 2012 Optimize a model with 5680 rows, 5344 columns and 21550 nonzeros Presolve removed 16 rows and 400 columns Presolve time: 0.03s Presolved: 5664 rows, 4944 columns, 21150 nonzeros Variable types: 0 continuous, 4944 integer (4944 binary) Root relaxation: objective 0.000000e+00, 341 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 (341 simplex iterations) in 0.04 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 -- 25 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:32 2012 Optimize a model with 2833 rows, 2679 columns and 10344 nonzeros Presolve removed 16 rows and 192 columns Presolve time: 0.01s Presolved: 2817 rows, 2487 columns, 10152 nonzeros Variable types: 0 continuous, 2487 integer (2487 binary) Root relaxation: objective 0.000000e+00, 345 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 (345 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 -- 12 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:32 2012 Optimize a model with 1519 rows, 1449 columns and 5172 nonzeros Presolve removed 16 rows and 96 columns Presolve time: 0.01s Presolved: 1503 rows, 1353 columns, 5076 nonzeros Variable types: 0 continuous, 1353 integer (1353 binary) Root relaxation: objective 0.000000e+00, 334 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 (334 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 -- 6 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:32 2012 Optimize a model with 862 rows, 834 columns and 2586 nonzeros Presolve removed 16 rows and 48 columns Presolve time: 0.00s Presolved: 846 rows, 786 columns, 2538 nonzeros Variable types: 0 continuous, 786 integer (786 binary) Root relaxation: objective 0.000000e+00, 330 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 (330 simplex iterations) in 0.00 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 16:31:32 2012 Optimize a model with 424 rows, 424 columns and 862 nonzeros Presolve removed 424 rows and 424 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 16:31:32 2012 Optimize a model with 643 rows, 629 columns and 1724 nonzeros Presolve removed 215 rows and 236 columns Presolve time: 0.00s Presolved: 428 rows, 393 columns, 1284 nonzeros Variable types: 0 continuous, 393 integer (393 binary) Root relaxation: objective 0.000000e+00, 207 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 0 173 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (651 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