current bounds on the number of colors: 0 -- 45
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:44 2012
Optimize a model with 1189 rows, 1042 columns and 4422 nonzeros
Presolve removed 2 rows and 44 columns
Presolve time: 0.01s
Presolved: 1187 rows, 998 columns, 4378 nonzeros
Variable types: 0 continuous, 998 integer (998 binary)
Root relaxation: objective 0.000000e+00, 82 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 (82 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 Fri Dec 14 18:19:44 2012
Optimize a model with 617 rows, 547 columns and 2211 nonzeros
Presolve removed 2 rows and 22 columns
Presolve time: 0.00s
Presolved: 615 rows, 525 columns, 2189 nonzeros
Variable types: 0 continuous, 525 integer (525 binary)
Root relaxation: objective 0.000000e+00, 85 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 (130 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 Fri Dec 14 18:19:44 2012
Optimize a model with 305 rows, 277 columns and 1005 nonzeros
Presolve removed 2 rows and 10 columns
Presolve time: 0.00s
Presolved: 303 rows, 267 columns, 995 nonzeros
Variable types: 0 continuous, 267 integer (267 binary)
Root relaxation: objective 0.000000e+00, 77 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 (109 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 Fri Dec 14 18:19:44 2012
Optimize a model with 149 rows, 142 columns and 402 nonzeros
Presolve removed 45 rows and 47 columns
Presolve time: 0.00s
Presolved: 104 rows, 95 columns, 312 nonzeros
Variable types: 0 continuous, 95 integer (95 binary)
Root relaxation: objective 0.000000e+00, 47 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 43 - 0.00000 - - 0s
Explored 0 nodes (125 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 -
current bounds on the number of colors: 2 -- 5
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:44 2012
Optimize a model with 201 rows, 187 columns and 603 nonzeros
Presolve removed 2 rows and 6 columns
Presolve time: 0.00s
Presolved: 199 rows, 181 columns, 597 nonzeros
Variable types: 0 continuous, 181 integer (181 binary)
Root relaxation: objective 0.000000e+00, 76 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 (76 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: 3