current bounds on the number of colors: 0 -- 20
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:00 2012
Optimize a model with 930 rows, 291 columns and 2930 nonzeros
Presolve time: 0.00s
Presolved: 930 rows, 291 columns, 2930 nonzeros
Variable types: 0 continuous, 291 integer (291 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 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (92 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 -- 10
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:00 2012
Optimize a model with 475 rows, 191 columns and 1465 nonzeros
Presolve time: 0.00s
Presolved: 475 rows, 191 columns, 1465 nonzeros
Variable types: 0 continuous, 191 integer (191 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 0.00000 0 10 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (258 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 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:00 2012
Optimize a model with 202 rows, 131 columns and 586 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.00s
Presolved: 182 rows, 111 columns, 546 nonzeros
Variable types: 0 continuous, 111 integer (111 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 20 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (91 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 Thu Dec 13 17:56:00 2012
Optimize a model with 293 rows, 151 columns and 879 nonzeros
Presolve time: 0.00s
Presolved: 293 rows, 151 columns, 879 nonzeros
Variable types: 0 continuous, 151 integer (151 binary)
Root relaxation: objective 0.000000e+00, 44 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 32 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 2
Clique: 40
Zero half: 22
Explored 0 nodes (230 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 -
current bounds on the number of colors: 3 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:00 2012
Optimize a model with 384 rows, 171 columns and 1172 nonzeros
Presolve time: 0.00s
Presolved: 384 rows, 171 columns, 1172 nonzeros
Variable types: 0 continuous, 171 integer (171 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 0.00000 0 26 - 0.00000 - - 0s
0 0 0.00000 0 35 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (462 simplex iterations) in 0.02 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: 5