current bounds on the number of colors: 0 -- 37
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:58:28 2012
Optimize a model with 6319 rows, 1015 columns and 19512 nonzeros
Presolve time: 0.02s
Presolved: 6319 rows, 1015 columns, 19512 nonzeros
Variable types: 0 continuous, 1015 integer (1015 binary)
Root relaxation: objective 0.000000e+00, 82 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 (305 simplex iterations) in 0.04 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 -- 18
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:58:28 2012
Optimize a model with 3178 rows, 682 columns and 9756 nonzeros
Presolve time: 0.01s
Presolved: 3178 rows, 682 columns, 9756 nonzeros
Variable types: 0 continuous, 682 integer (682 binary)
Root relaxation: objective 0.000000e+00, 99 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 36 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (541 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 -- 9
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:58:28 2012
Optimize a model with 1433 rows, 497 columns and 4336 nonzeros
Presolve time: 0.00s
Presolved: 1433 rows, 497 columns, 4336 nonzeros
Variable types: 0 continuous, 497 integer (497 binary)
Root relaxation: objective 0.000000e+00, 79 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 0.00000 0 74 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1122 simplex iterations) in 0.09 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: 4 -- 9
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:58:29 2012
Optimize a model with 2131 rows, 571 columns and 6504 nonzeros
Presolve time: 0.01s
Presolved: 2131 rows, 571 columns, 6504 nonzeros
Variable types: 0 continuous, 571 integer (571 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 0.00000 0 46 - 0.00000 - - 0s
0 0 0.00000 0 36 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1486 simplex iterations) in 0.12 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: 6 -- 9
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:58:29 2012
Optimize a model with 2480 rows, 608 columns and 7588 nonzeros
Presolve time: 0.01s
Presolved: 2480 rows, 608 columns, 7588 nonzeros
Variable types: 0 continuous, 608 integer (608 binary)
Root relaxation: objective 0.000000e+00, 75 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 42 - 0.00000 - - 0s
0 0 0.00000 0 39 - 0.00000 - - 0s
0 0 0.00000 0 106 - 0.00000 - - 0s
0 0 0.00000 0 162 - 0.00000 - - 0s
0 0 0.00000 0 108 - 0.00000 - - 0s
0 0 0.00000 0 147 - 0.00000 - - 0s
0 0 0.00000 0 153 - 0.00000 - - 0s
0 0 0.00000 0 153 - 0.00000 - - 0s
0 2 0.00000 0 153 - 0.00000 - - 1s
Cutting planes:
Clique: 27
Zero half: 11
Explored 7 nodes (11883 simplex iterations) in 1.19 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: 7 -- 9
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:58:30 2012
Optimize a model with 2829 rows, 645 columns and 8672 nonzeros
Presolve time: 0.01s
Presolved: 2829 rows, 645 columns, 8672 nonzeros
Variable types: 0 continuous, 645 integer (645 binary)
Root relaxation: objective 0.000000e+00, 79 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 20 - 0.00000 - - 0s
0 0 0.00000 0 20 - 0.00000 - - 0s
0 0 0.00000 0 121 - 0.00000 - - 0s
0 0 0.00000 0 22 - 0.00000 - - 0s
0 0 0.00000 0 14 - 0.00000 - - 0s
0 0 0.00000 0 30 - 0.00000 - - 0s
0 0 0.00000 0 44 - 0.00000 - - 0s
0 0 0.00000 0 27 - 0.00000 - - 0s
0 0 0.00000 0 19 - 0.00000 - - 0s
0 0 0.00000 0 65 - 0.00000 - - 0s
0 0 0.00000 0 67 - 0.00000 - - 0s
0 0 0.00000 0 16 - 0.00000 - - 1s
0 2 0.00000 0 16 - 0.00000 - - 1s
Cutting planes:
Clique: 9
Zero half: 5
Explored 61 nodes (17497 simplex iterations) in 1.66 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 9