current bounds on the number of colors: 0 -- 232 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:39 2012 Optimize a model with 35032 rows, 27212 columns and 131312 nonzeros Presolve removed 15 rows and 1740 columns Presolve time: 0.17s Presolved: 35017 rows, 25472 columns, 129572 nonzeros Variable types: 0 continuous, 25472 integer (25472 binary) Root relaxation: objective 0.000000e+00, 413 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 (615 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 -- 116 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:40 2012 Optimize a model with 17632 rows, 13756 columns and 65656 nonzeros Presolve removed 15 rows and 870 columns Presolve time: 0.12s Presolved: 17617 rows, 12886 columns, 64786 nonzeros Variable types: 0 continuous, 12886 integer (12886 binary) Root relaxation: objective 0.000000e+00, 413 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 (635 simplex iterations) in 0.16 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 -- 58 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:40 2012 Optimize a model with 8932 rows, 7028 columns and 32828 nonzeros Presolve removed 15 rows and 435 columns Presolve time: 0.05s Presolved: 8917 rows, 6593 columns, 32393 nonzeros Variable types: 0 continuous, 6593 integer (6593 binary) Root relaxation: objective 0.000000e+00, 408 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 (408 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 -- 29 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:41 2012 Optimize a model with 4432 rows, 3548 columns and 15848 nonzeros Presolve removed 15 rows and 210 columns Presolve time: 0.02s Presolved: 4417 rows, 3338 columns, 15638 nonzeros Variable types: 0 continuous, 3338 integer (3338 binary) Root relaxation: objective 0.000000e+00, 445 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 (689 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 -- 14 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:41 2012 Optimize a model with 2332 rows, 1924 columns and 7924 nonzeros Presolve removed 15 rows and 105 columns Presolve time: 0.01s Presolved: 2317 rows, 1819 columns, 7819 nonzeros Variable types: 0 continuous, 1819 integer (1819 binary) Root relaxation: objective 0.000000e+00, 445 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 (647 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 -- 7 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:41 2012 Optimize a model with 1132 rows, 996 columns and 3396 nonzeros Presolve removed 15 rows and 45 columns Presolve time: 0.00s Presolved: 1117 rows, 951 columns, 3351 nonzeros Variable types: 0 continuous, 951 integer (951 binary) Root relaxation: objective 0.000000e+00, 460 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 (783 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 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:41 2012 Optimize a model with 532 rows, 532 columns and 1132 nonzeros Presolve removed 532 rows and 532 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 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: 1 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:40:41 2012 Optimize a model with 832 rows, 764 columns and 2264 nonzeros Presolve removed 236 rows and 253 columns Presolve time: 0.00s Presolved: 596 rows, 511 columns, 1788 nonzeros Variable types: 0 continuous, 511 integer (511 binary) Root relaxation: objective 0.000000e+00, 250 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 0 213 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (814 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 - optimal solution found: number of colors: 3