current bounds on the number of colors: 0 -- 143
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:41:42 2012
Optimize a model with 35359 rows, 10649 columns and 115801 nonzeros
Presolve time: 0.14s
Presolved: 35359 rows, 10649 columns, 115801 nonzeros
Variable types: 0 continuous, 10649 integer (10649 binary)
Root relaxation: objective 0.000000e+00, 465 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 (741 simplex iterations) in 0.22 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 -- 71
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:41:43 2012
Optimize a model with 17503 rows, 5501 columns and 57085 nonzeros
Presolve time: 0.09s
Presolved: 17503 rows, 5501 columns, 57085 nonzeros
Variable types: 0 continuous, 5501 integer (5501 binary)
Root relaxation: objective 0.000000e+00, 463 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 (761 simplex iterations) in 0.13 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 -- 35
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:41:43 2012
Optimize a model with 8575 rows, 2927 columns and 27727 nonzeros
Presolve time: 0.03s
Presolved: 8575 rows, 2927 columns, 27727 nonzeros
Variable types: 0 continuous, 2927 integer (2927 binary)
Root relaxation: objective 0.000000e+00, 290 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 0.05 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 -- 17
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:41:43 2012
Optimize a model with 4111 rows, 1640 columns and 13048 nonzeros
Presolve time: 0.01s
Presolved: 4111 rows, 1640 columns, 13048 nonzeros
Variable types: 0 continuous, 1640 integer (1640 binary)
Root relaxation: objective 0.000000e+00, 323 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 (583 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 -- 8
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:41:43 2012
Optimize a model with 2127 rows, 1068 columns and 6524 nonzeros
Presolve time: 0.01s
Presolved: 2127 rows, 1068 columns, 6524 nonzeros
Variable types: 0 continuous, 1068 integer (1068 binary)
Root relaxation: objective 0.000000e+00, 340 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 0 248 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1199 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 -- 4
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:41:43 2012
Optimize a model with 1135 rows, 782 columns and 3262 nonzeros
Presolve removed 143 rows and 143 columns
Presolve time: 0.00s
Presolved: 992 rows, 639 columns, 2976 nonzeros
Variable types: 0 continuous, 639 integer (639 binary)
Root relaxation: objective 0.000000e+00, 149 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 0 143 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (605 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 18:41:43 2012
Optimize a model with 1631 rows, 925 columns and 4893 nonzeros
Presolve time: 0.00s
Presolved: 1631 rows, 925 columns, 4893 nonzeros
Variable types: 0 continuous, 925 integer (925 binary)
Root relaxation: objective 0.000000e+00, 345 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 272 - 0.00000 - - 0s
0 0 0.00000 0 276 - 0.00000 - - 0s
0 0 0.00000 0 293 - 0.00000 - - 0s
0 0 0.00000 0 383 - 0.00000 - - 0s
0 0 0.00000 0 338 - 0.00000 - - 0s
0 0 0.00000 0 372 - 0.00000 - - 0s
0 0 0.00000 0 365 - 0.00000 - - 1s
0 0 0.00000 0 363 - 0.00000 - - 1s
0 0 0.00000 0 363 - 0.00000 - - 1s
0 0 0.00000 0 363 - 0.00000 - - 1s
0 0 0.00000 0 367 - 0.00000 - - 2s
0 0 0.00000 0 367 - 0.00000 - - 2s
0 2 0.00000 0 367 - 0.00000 - - 2s
Cutting planes:
Zero half: 17
Explored 3 nodes (21541 simplex iterations) in 2.48 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 4