current bounds on the number of colors: 0 -- 7

Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:12:39 2012

Optimize a model with 7 rows, 21 columns and 21 nonzeros
Presolve removed 7 rows and 21 columns
Presolve time: 0.00s

Explored 0 nodes (0 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 16:12:39 2012

Optimize a model with 7 rows, 7 columns and 7 nonzeros
Presolve removed 7 rows and 7 columns
Presolve time: 0.00s

Explored 0 nodes (0 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%


optimal solution found: number of colors: 1