current bounds on the number of colors: 0 -- 30
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:27 2012
Optimize a model with 345 rows, 471 columns and 1395 nonzeros
Presolve removed 6 rows and 90 columns
Presolve time: 0.00s
Presolved: 339 rows, 381 columns, 1305 nonzeros
Variable types: 0 continuous, 381 integer (381 binary)
Root relaxation: objective 0.000000e+00, 40 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 (40 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 -- 15
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:27 2012
Optimize a model with 177 rows, 231 columns and 651 nonzeros
Presolve removed 6 rows and 42 columns
Presolve time: 0.00s
Presolved: 171 rows, 189 columns, 609 nonzeros
Variable types: 0 continuous, 189 integer (189 binary)
Root relaxation: objective 0.000000e+00, 43 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 (43 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 -- 7
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:27 2012
Optimize a model with 93 rows, 111 columns and 279 nonzeros
Presolve removed 6 rows and 18 columns
Presolve time: 0.00s
Presolved: 87 rows, 93 columns, 261 nonzeros
Variable types: 0 continuous, 93 integer (93 binary)
Root relaxation: objective 0.000000e+00, 41 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 (41 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 Fri Dec 14 18:19:27 2012
Optimize a model with 51 rows, 51 columns and 93 nonzeros
Presolve removed 51 rows and 51 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 Fri Dec 14 18:19:27 2012
Optimize a model with 72 rows, 81 columns and 186 nonzeros
Presolve removed 34 rows and 42 columns
Presolve time: 0.00s
Presolved: 38 rows, 39 columns, 114 nonzeros
Variable types: 0 continuous, 39 integer (39 binary)
Root relaxation: objective 0.000000e+00, 23 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 17 - 0.00000 - - 0s
Explored 0 nodes (75 simplex iterations) in 0.00 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