current bounds on the number of colors: 0 -- 95
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:12 2012
Optimize a model with 20258 rows, 4894 columns and 64954 nonzeros
Presolve time: 0.12s
Presolved: 20258 rows, 4894 columns, 64954 nonzeros
Variable types: 0 continuous, 4894 integer (4894 binary)
Root relaxation: objective 0.000000e+00, 300 iterations, 0.01 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 (514 simplex iterations) in 0.16 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 -- 47
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:12 2012
Optimize a model with 9962 rows, 2614 columns and 31786 nonzeros
Presolve time: 0.04s
Presolved: 9962 rows, 2614 columns, 31786 nonzeros
Variable types: 0 continuous, 2614 integer (2614 binary)
Root relaxation: objective 0.000000e+00, 206 iterations, 0.01 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 (366 simplex iterations) in 0.06 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 -- 23
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:12 2012
Optimize a model with 4814 rows, 1474 columns and 15202 nonzeros
Presolve time: 0.01s
Presolved: 4814 rows, 1474 columns, 15202 nonzeros
Variable types: 0 continuous, 1474 integer (1474 binary)
Root relaxation: objective 0.000000e+00, 207 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 (370 simplex iterations) in 0.03 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 Thu Dec 13 19:48:12 2012
Optimize a model with 2240 rows, 904 columns and 6910 nonzeros
Presolve time: 0.01s
Presolved: 2240 rows, 904 columns, 6910 nonzeros
Variable types: 0 continuous, 904 integer (904 binary)
Root relaxation: objective 0.000000e+00, 225 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 72 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1683 simplex iterations) in 0.08 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 19:48:12 2012
Optimize a model with 953 rows, 619 columns and 2764 nonzeros
Presolve removed 95 rows and 95 columns
Presolve time: 0.00s
Presolved: 858 rows, 524 columns, 2574 nonzeros
Variable types: 0 continuous, 524 integer (524 binary)
Root relaxation: objective 0.000000e+00, 105 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 95 - 0.00000 - - 0s
Explored 0 nodes (413 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: 2 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:12 2012
Optimize a model with 1382 rows, 714 columns and 4146 nonzeros
Presolve time: 0.00s
Presolved: 1382 rows, 714 columns, 4146 nonzeros
Variable types: 0 continuous, 714 integer (714 binary)
Root relaxation: objective 0.000000e+00, 223 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 0 186 - 0.00000 - - 0s
0 0 0.00000 0 186 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (2071 simplex iterations) in 0.16 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 19:48:13 2012
Optimize a model with 1811 rows, 809 columns and 5528 nonzeros
Presolve time: 0.00s
Presolved: 1811 rows, 809 columns, 5528 nonzeros
Variable types: 0 continuous, 809 integer (809 binary)
Root relaxation: objective 0.000000e+00, 211 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 0 180 - 0.00000 - - 0s
0 0 0.00000 0 182 - 0.00000 - - 0s
0 0 0.00000 0 183 - 0.00000 - - 0s
0 0 0.00000 0 265 - 0.00000 - - 0s
0 0 0.00000 0 252 - 0.00000 - - 0s
0 0 0.00000 0 248 - 0.00000 - - 0s
0 0 0.00000 0 246 - 0.00000 - - 0s
0 0 0.00000 0 239 - 0.00000 - - 1s
0 0 0.00000 0 248 - 0.00000 - - 1s
0 0 0.00000 0 252 - 0.00000 - - 1s
0 0 0.00000 0 246 - 0.00000 - - 1s
0 0 0.00000 0 241 - 0.00000 - - 1s
0 0 0.00000 0 238 - 0.00000 - - 1s
0 0 0.00000 0 244 - 0.00000 - - 2s
0 0 0.00000 0 244 - 0.00000 - - 2s
0 2 0.00000 0 244 - 0.00000 - - 2s
Cutting planes:
Clique: 7
Zero half: 30
Explored 75 nodes (29198 simplex iterations) in 2.70 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 5