current bounds on the number of colors: 0 -- 89 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:36 2012 Optimize a model with 2245 rows, 3965 columns and 10384 nonzeros Presolve removed 24 rows and 1056 columns Presolve time: 0.02s Presolved: 2221 rows, 2909 columns, 9328 nonzeros Variable types: 0 continuous, 2909 integer (2909 binary) Root relaxation: objective 0.000000e+00, 106 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 (106 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 -- 44 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:36 2012 Optimize a model with 1167 rows, 2007 columns and 5192 nonzeros Presolve removed 24 rows and 528 columns Presolve time: 0.01s Presolved: 1143 rows, 1479 columns, 4664 nonzeros Variable types: 0 continuous, 1479 integer (1479 binary) Root relaxation: objective 0.000000e+00, 106 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 (106 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 -- 22 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:36 2012 Optimize a model with 628 rows, 1028 columns and 2596 nonzeros Presolve removed 24 rows and 264 columns Presolve time: 0.00s Presolved: 604 rows, 764 columns, 2332 nonzeros Variable types: 0 continuous, 764 integer (764 binary) Root relaxation: objective 0.000000e+00, 102 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 (102 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 -- 11 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:36 2012 Optimize a model with 334 rows, 494 columns and 1180 nonzeros Presolve removed 24 rows and 120 columns Presolve time: 0.00s Presolved: 310 rows, 374 columns, 1060 nonzeros Variable types: 0 continuous, 374 integer (374 binary) Root relaxation: objective 0.000000e+00, 92 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 (92 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 -- 5 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:36 2012 Optimize a model with 187 rows, 227 columns and 472 nonzeros Presolve removed 99 rows and 128 columns Presolve time: 0.00s Presolved: 88 rows, 99 columns, 264 nonzeros Variable types: 0 continuous, 99 integer (99 binary) Root relaxation: objective 0.000000e+00, 33 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 (33 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 -- 2 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:14:36 2012 Optimize a model with 138 rows, 138 columns and 236 nonzeros Presolve removed 138 rows and 138 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 - optimal solution found: number of colors: 2