current bounds on the number of colors: 0 -- 182 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:38 2012 Optimize a model with 16016 rows, 16736 columns and 64064 nonzeros Presolve removed 29 rows and 2639 columns Presolve time: 0.12s Presolved: 15987 rows, 14097 columns, 61425 nonzeros Variable types: 0 continuous, 14097 integer (14097 binary) Root relaxation: objective 0.000000e+00, 272 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 (272 simplex iterations) in 0.14 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 -- 91 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:39 2012 Optimize a model with 8012 rows, 8364 columns and 31680 nonzeros Presolve removed 29 rows and 1305 columns Presolve time: 0.07s Presolved: 7983 rows, 7059 columns, 30375 nonzeros Variable types: 0 continuous, 7059 integer (7059 binary) Root relaxation: objective 0.000000e+00, 278 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 (278 simplex iterations) in 0.08 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 -- 45 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:39 2012 Optimize a model with 4010 rows, 4178 columns and 15488 nonzeros Presolve removed 29 rows and 638 columns Presolve time: 0.02s Presolved: 3981 rows, 3540 columns, 14850 nonzeros Variable types: 0 continuous, 3540 integer (3540 binary) Root relaxation: objective 0.000000e+00, 283 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 (283 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 -- 22 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:39 2012 Optimize a model with 2096 rows, 2176 columns and 7744 nonzeros Presolve removed 29 rows and 319 columns Presolve time: 0.01s Presolved: 2067 rows, 1857 columns, 7425 nonzeros Variable types: 0 continuous, 1857 integer (1857 binary) Root relaxation: objective 0.000000e+00, 259 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 (259 simplex iterations) in 0.01 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 Sat Dec 15 16:25:39 2012 Optimize a model with 1052 rows, 1084 columns and 3520 nonzeros Presolve removed 29 rows and 145 columns Presolve time: 0.00s Presolved: 1023 rows, 939 columns, 3375 nonzeros Variable types: 0 continuous, 939 integer (939 binary) Root relaxation: objective 0.000000e+00, 248 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 (248 simplex iterations) in 0.01 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 Sat Dec 15 16:25:39 2012 Optimize a model with 530 rows, 538 columns and 1408 nonzeros Presolve removed 190 rows and 223 columns Presolve time: 0.00s Presolved: 340 rows, 315 columns, 1020 nonzeros Variable types: 0 continuous, 315 integer (315 binary) Root relaxation: objective 0.000000e+00, 172 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 0 138 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (547 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 Sat Dec 15 16:25:39 2012 Optimize a model with 704 rows, 720 columns and 2112 nonzeros Presolve removed 29 rows and 87 columns Presolve time: 0.00s Presolved: 675 rows, 633 columns, 2025 nonzeros Variable types: 0 continuous, 633 integer (633 binary) Root relaxation: objective 0.000000e+00, 262 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 (262 simplex iterations) in 0.00 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: 3