current bounds on the number of colors: 0 -- 88
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:43:53 2012
Optimize a model with 16280 rows, 4240 columns and 52448 nonzeros
Presolve time: 0.09s
Presolved: 16280 rows, 4240 columns, 52448 nonzeros
Variable types: 0 continuous, 4240 integer (4240 binary)
Root relaxation: objective 0.000000e+00, 266 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 (441 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 -- 44
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:43:53 2012
Optimize a model with 8184 rows, 2304 columns and 26224 nonzeros
Presolve time: 0.03s
Presolved: 8184 rows, 2304 columns, 26224 nonzeros
Variable types: 0 continuous, 2304 integer (2304 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 (372 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 -- 22
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:43:53 2012
Optimize a model with 4136 rows, 1336 columns and 13112 nonzeros
Presolve time: 0.01s
Presolved: 4136 rows, 1336 columns, 13112 nonzeros
Variable types: 0 continuous, 1336 integer (1336 binary)
Root relaxation: objective 0.000000e+00, 193 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 (355 simplex iterations) in 0.02 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 19:43:53 2012
Optimize a model with 1928 rows, 808 columns and 5960 nonzeros
Presolve time: 0.01s
Presolved: 1928 rows, 808 columns, 5960 nonzeros
Variable types: 0 continuous, 808 integer (808 binary)
Root relaxation: objective 0.000000e+00, 204 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
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1261 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 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:43:53 2012
Optimize a model with 824 rows, 544 columns and 2384 nonzeros
Presolve removed 88 rows and 88 columns
Presolve time: 0.00s
Presolved: 736 rows, 456 columns, 2208 nonzeros
Variable types: 0 continuous, 456 integer (456 binary)
Root relaxation: objective 0.000000e+00, 89 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 88 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (366 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 19:43:54 2012
Optimize a model with 1192 rows, 632 columns and 3576 nonzeros
Presolve time: 0.00s
Presolved: 1192 rows, 632 columns, 3576 nonzeros
Variable types: 0 continuous, 632 integer (632 binary)
Root relaxation: objective 0.000000e+00, 195 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 0 174 - 0.00000 - - 0s
0 0 0.00000 0 170 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1897 simplex iterations) in 0.13 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 19:43:54 2012
Optimize a model with 1560 rows, 720 columns and 4768 nonzeros
Presolve time: 0.00s
Presolved: 1560 rows, 720 columns, 4768 nonzeros
Variable types: 0 continuous, 720 integer (720 binary)
Root relaxation: objective 0.000000e+00, 181 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 98 - 0.00000 - - 0s
0 0 0.00000 0 134 - 0.00000 - - 0s
0 0 0.00000 0 158 - 0.00000 - - 0s
0 0 0.00000 0 233 - 0.00000 - - 0s
0 0 0.00000 0 176 - 0.00000 - - 0s
0 0 0.00000 0 193 - 0.00000 - - 0s
0 0 0.00000 0 192 - 0.00000 - - 0s
0 0 0.00000 0 190 - 0.00000 - - 0s
0 0 0.00000 0 195 - 0.00000 - - 0s
0 0 0.00000 0 195 - 0.00000 - - 0s
0 2 0.00000 0 195 - 0.00000 - - 0s
Cutting planes:
Gomory: 1
Zero half: 17
Explored 282 nodes (29356 simplex iterations) in 1.60 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