current bounds on the number of colors: 0 -- 31
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:48 2012
Optimize a model with 3481 rows, 695 columns and 10815 nonzeros
Presolve time: 0.01s
Presolved: 3481 rows, 695 columns, 10815 nonzeros
Variable types: 0 continuous, 695 integer (695 binary)
Root relaxation: objective 0.000000e+00, 71 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 (150 simplex iterations) in 0.02 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 Thu Dec 13 17:56:48 2012
Optimize a model with 1641 rows, 447 columns and 5047 nonzeros
Presolve time: 0.00s
Presolved: 1641 rows, 447 columns, 5047 nonzeros
Variable types: 0 continuous, 447 integer (447 binary)
Root relaxation: objective 0.000000e+00, 63 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 40 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (416 simplex iterations) in 0.02 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 Thu Dec 13 17:56:48 2012
Optimize a model with 721 rows, 323 columns and 2163 nonzeros
Presolve time: 0.00s
Presolved: 721 rows, 323 columns, 2163 nonzeros
Variable types: 0 continuous, 323 integer (323 binary)
Root relaxation: objective 0.000000e+00, 65 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 60 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 2
Clique: 124
Zero half: 132
Explored 0 nodes (297 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 -
current bounds on the number of colors: 3 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:48 2012
Optimize a model with 1181 rows, 385 columns and 3605 nonzeros
Presolve time: 0.00s
Presolved: 1181 rows, 385 columns, 3605 nonzeros
Variable types: 0 continuous, 385 integer (385 binary)
Root relaxation: objective 0.000000e+00, 62 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 34 - 0.00000 - - 0s
0 0 0.00000 0 48 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1284 simplex iterations) in 0.07 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: 5 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:49 2012
Optimize a model with 1411 rows, 416 columns and 4326 nonzeros
Presolve time: 0.00s
Presolved: 1411 rows, 416 columns, 4326 nonzeros
Variable types: 0 continuous, 416 integer (416 binary)
Root relaxation: objective 0.000000e+00, 63 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 44 - 0.00000 - - 0s
0 0 0.00000 0 30 - 0.00000 - - 0s
0 0 0.00000 0 66 - 0.00000 - - 0s
0 0 0.00000 0 105 - 0.00000 - - 0s
0 0 0.00000 0 111 - 0.00000 - - 0s
0 0 0.00000 0 110 - 0.00000 - - 0s
0 0 0.00000 0 66 - 0.00000 - - 0s
0 0 0.00000 0 59 - 0.00000 - - 0s
0 0 0.00000 0 74 - 0.00000 - - 0s
0 0 0.00000 0 74 - 0.00000 - - 0s
0 2 0.00000 0 74 - 0.00000 - - 0s
Cutting planes:
Clique: 14
Zero half: 8
Explored 5 nodes (7646 simplex iterations) in 0.71 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 7