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 191808 rows and 35387 columns. MIP Presolve modified 24418 coefficients. Aggregator did 1265 substitutions. Reduced MIP has 61452 rows, 11298 columns, and 243215 nonzeros. Presolve time = 4.45 sec. Clique table members: 10638. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.62 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2920.2222 245 -2920.2222 2095 * 0+ 0 -2913.0000 -2920.2222 2095 0.25% 0 0 -2919.0000 79 -2913.0000 Cuts: 411 2159 0.21% * 0 0 integral 0 -2919.0000 Cuts: 41 2168 0.00% 0 0 cutoff -2919.0000 -2919.0000 2168 0.00% GUB cover cuts applied: 1 Clique cuts applied: 88 Cover cuts applied: 2 Implied bound cuts applied: 26 Zero-half cuts applied: 45 Gomory fractional cuts applied: 19 >>>>>>> Objval = -2919.000000 (int)-2919 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 1535.0000. Tried aggregator 5 times. MIP Presolve eliminated 191797 rows and 35378 columns. MIP Presolve modified 24415 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61466 rows, 11310 columns, and 246161 nonzeros. Presolve time = 4.51 sec. Clique table members: 10613. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.26 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 287.6444 432 1535.0000 287.6444 13355 81.26% 0 0 426.5000 26 1535.0000 Cuts: 609 13528 72.21% * 0 0 integral 0 430.0000 Cuts: 13 13536 0.00% 0 0 cutoff 430.0000 430.0000 13536 0.00% Elapsed time = 16.63 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 287 Cover cuts applied: 3 Implied bound cuts applied: 75 Zero-half cuts applied: 41 Gomory fractional cuts applied: 5 >>>>>>> Objval = 430.000000 (int)430 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 2397.0000. Tried aggregator 5 times. Presolve has eliminated 191237 rows and 35158 columns... Aggregator has done 1210 substitutions... MIP Presolve eliminated 191237 rows and 35158 columns. MIP Presolve modified 24441 coefficients. Aggregator did 1210 substitutions. Reduced MIP has 62078 rows, 11582 columns, and 254349 nonzeros. Presolve time = 5.21 sec. Clique table members: 10440. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.96 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1913.5278 136 2397.0000 1913.5278 20659 20.17% 0 0 2030.0000 24 2397.0000 Cuts: 304 21572 15.31% 0 0 2055.6667 63 2397.0000 Cuts: 35 21606 14.24% * 0+ 0 2065.0000 2055.6667 21608 0.45% 0 0 cutoff 2065.0000 2055.6667 21608 0.45% Elapsed time = 21.32 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 151 Implied bound cuts applied: 16 Zero-half cuts applied: 14 Gomory fractional cuts applied: 7