current bounds on the number of colors: 0 -- 110
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:03:23 2012
Optimize a model with 33990 rows, 6666 columns and 107690 nonzeros
Presolve time: 0.15s
Presolved: 33990 rows, 6666 columns, 107690 nonzeros
Variable types: 0 continuous, 6666 integer (6666 binary)
Root relaxation: objective 0.000000e+00, 267 iterations, 0.04 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 (521 simplex iterations) in 0.23 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 -- 55
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:03:24 2012
Optimize a model with 16742 rows, 3586 columns and 52866 nonzeros
Presolve time: 0.07s
Presolved: 16742 rows, 3586 columns, 52866 nonzeros
Variable types: 0 continuous, 3586 integer (3586 binary)
Root relaxation: objective 0.000000e+00, 274 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 (595 simplex iterations) in 0.11 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 -- 27
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:03:24 2012
Optimize a model with 8118 rows, 2046 columns and 25454 nonzeros
Presolve time: 0.03s
Presolved: 8118 rows, 2046 columns, 25454 nonzeros
Variable types: 0 continuous, 2046 integer (2046 binary)
Root relaxation: objective 0.000000e+00, 230 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 (469 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 -- 13
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:03:24 2012
Optimize a model with 3806 rows, 1276 columns and 11748 nonzeros
Presolve time: 0.01s
Presolved: 3806 rows, 1276 columns, 11748 nonzeros
Variable types: 0 continuous, 1276 integer (1276 binary)
Root relaxation: objective 0.000000e+00, 233 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 84 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1471 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:03:24 2012
Optimize a model with 1958 rows, 946 columns and 5874 nonzeros
Presolve time: 0.00s
Presolved: 1958 rows, 946 columns, 5874 nonzeros
Variable types: 0 continuous, 946 integer (946 binary)
Root relaxation: objective 0.000000e+00, 243 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 0 178 - 0.00000 - - 0s
0 0 0.00000 0 218 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (3222 simplex iterations) in 0.32 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:03:25 2012
Optimize a model with 2574 rows, 1056 columns and 7832 nonzeros
Presolve time: 0.01s
Presolved: 2574 rows, 1056 columns, 7832 nonzeros
Variable types: 0 continuous, 1056 integer (1056 binary)
Root relaxation: objective 0.000000e+00, 247 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 0 218 - 0.00000 - - 0s
0 0 0.00000 0 218 - 0.00000 - - 0s
0 0 0.00000 0 311 - 0.00000 - - 0s
0 0 0.00000 0 323 - 0.00000 - - 0s
0 0 0.00000 0 310 - 0.00000 - - 1s
0 0 0.00000 0 307 - 0.00000 - - 1s
0 0 0.00000 0 304 - 0.00000 - - 2s
0 0 0.00000 0 300 - 0.00000 - - 2s
0 0 0.00000 0 310 - 0.00000 - - 3s
0 0 0.00000 0 310 - 0.00000 - - 3s
0 2 0.00000 0 310 - 0.00000 - - 3s
Cutting planes:
Clique: 6
Zero half: 19
Explored 19 nodes (25083 simplex iterations) in 4.27 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: 4 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:03:29 2012
Optimize a model with 3190 rows, 1166 columns and 9790 nonzeros
Presolve time: 0.01s
Presolved: 3190 rows, 1166 columns, 9790 nonzeros
Variable types: 0 continuous, 1166 integer (1166 binary)
Root relaxation: objective 0.000000e+00, 241 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 0 218 - 0.00000 - - 0s
0 0 0.00000 0 150 - 0.00000 - - 0s
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (7122 simplex iterations) in 0.61 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: 5