current bounds on the number of colors: 0 -- 144
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:18 2012
Optimize a model with 38376 rows, 10899 columns and 125064 nonzeros
Presolve time: 0.15s
Presolved: 38376 rows, 10899 columns, 125064 nonzeros
Variable types: 0 continuous, 10899 integer (10899 binary)
Root relaxation: objective 0.000000e+00, 499 iterations, 0.03 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 (813 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 -- 72
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:19 2012
Optimize a model with 19260 rows, 5715 columns and 62532 nonzeros
Presolve time: 0.10s
Presolved: 19260 rows, 5715 columns, 62532 nonzeros
Variable types: 0 continuous, 5715 integer (5715 binary)
Root relaxation: objective 0.000000e+00, 460 iterations, 0.02 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 (781 simplex iterations) in 0.15 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 -- 36
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:19 2012
Optimize a model with 9702 rows, 3123 columns and 31266 nonzeros
Presolve time: 0.04s
Presolved: 9702 rows, 3123 columns, 31266 nonzeros
Variable types: 0 continuous, 3123 integer (3123 binary)
Root relaxation: objective 0.000000e+00, 314 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 (563 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 -- 18
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:19 2012
Optimize a model with 4923 rows, 1827 columns and 15633 nonzeros
Presolve time: 0.01s
Presolved: 4923 rows, 1827 columns, 15633 nonzeros
Variable types: 0 continuous, 1827 integer (1827 binary)
Root relaxation: objective 0.000000e+00, 310 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 (754 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 Fri Dec 14 18:42:20 2012
Optimize a model with 2268 rows, 1107 columns and 6948 nonzeros
Presolve time: 0.01s
Presolved: 2268 rows, 1107 columns, 6948 nonzeros
Variable types: 0 continuous, 1107 integer (1107 binary)
Root relaxation: objective 0.000000e+00, 333 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 0 258 - 0.00000 - - 0s
0 0 0.00000 0 258 - 0.00000 - - 0s
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (5854 simplex iterations) in 0.34 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 -- 4
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:20 2012
Optimize a model with 1206 rows, 819 columns and 3474 nonzeros
Presolve removed 144 rows and 144 columns
Presolve time: 0.00s
Presolved: 1062 rows, 675 columns, 3186 nonzeros
Variable types: 0 continuous, 675 integer (675 binary)
Root relaxation: objective 0.000000e+00, 150 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 0 144 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (620 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 -- 4
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:20 2012
Optimize a model with 1737 rows, 963 columns and 5211 nonzeros
Presolve time: 0.00s
Presolved: 1737 rows, 963 columns, 5211 nonzeros
Variable types: 0 continuous, 963 integer (963 binary)
Root relaxation: objective 0.000000e+00, 329 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 0 288 - 0.00000 - - 0s
0 0 0.00000 0 281 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (3126 simplex iterations) in 0.24 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: 4