Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 5 times. MIP Presolve eliminated 191503 rows and 35375 columns. MIP Presolve modified 23951 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61760 rows, 11313 columns, and 244447 nonzeros. Presolve time = 4.47 sec. Clique table members: 10610. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.61 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 209 -2928.2222 1527 * 0+ 0 -2919.0000 -2928.2222 1527 0.32% 0 0 -2927.0000 123 -2919.0000 Cuts: 367 1673 0.27% * 0+ 0 -2925.0000 -2927.0000 1673 0.07% 0 0 -2927.0000 36 -2925.0000 Cuts: 39 1683 0.07% * 0+ 0 -2926.0000 -2927.0000 1683 0.03% 0 0 -2927.0000 36 -2926.0000 ZeroHalf: 7 1687 0.03% * 0 0 integral 0 -2927.0000 ZeroHalf: 4 1689 0.00% 0 0 cutoff -2927.0000 -2927.0000 1689 0.00% GUB cover cuts applied: 2 Clique cuts applied: 74 Implied bound cuts applied: 24 Zero-half cuts applied: 39 Gomory fractional cuts applied: 21 >>>>>>> Objval = -2927.000000 (int)-2927 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 1604.0000. Tried aggregator 5 times. MIP Presolve eliminated 191491 rows and 35366 columns. MIP Presolve modified 23947 coefficients. Aggregator did 1259 substitutions. Reduced MIP has 61775 rows, 11325 columns, and 247402 nonzeros. Presolve time = 4.49 sec. Clique table members: 10585. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.34 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 400.5992 694 1604.0000 400.5992 13575 75.02% 0 0 527.5000 26 1604.0000 Cuts: 472 13829 67.11% * 0 0 integral 0 531.0000 Cuts: 13 13835 0.00% 0 0 cutoff 531.0000 531.0000 13835 0.00% Elapsed time = 16.77 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 215 Cover cuts applied: 3 Implied bound cuts applied: 57 Zero-half cuts applied: 30 Gomory fractional cuts applied: 4 >>>>>>> Objval = 531.000000 (int)531 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 2266.0000. Tried aggregator 5 times. Presolve has eliminated 190931 rows and 35147 columns... Aggregator has done 1207 substitutions... MIP Presolve eliminated 190931 rows and 35147 columns. MIP Presolve modified 23974 coefficients. Aggregator did 1207 substitutions. Reduced MIP has 62387 rows, 11596 columns, and 255585 nonzeros. Presolve time = 5.18 sec. Clique table members: 10416. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.22 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1796.5278 141 2266.0000 1796.5278 20845 20.72% 0 0 1909.0000 24 2266.0000 Cuts: 312 21498 15.75% 0 0 1934.6667 63 2266.0000 Cuts: 34 21537 14.62% * 0+ 0 1944.0000 1934.6667 21539 0.48% 0 0 cutoff 1944.0000 1934.6667 21539 0.48% Elapsed time = 21.12 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 152 Implied bound cuts applied: 16 Zero-half cuts applied: 15 Gomory fractional cuts applied: 10