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 191843 rows and 35381 columns. MIP Presolve modified 24407 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61420 rows, 11307 columns, and 243198 nonzeros. Presolve time = 4.45 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 = 0.56 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2920.2222 271 -2920.2222 2129 * 0+ 0 -2910.0000 -2920.2222 2129 0.35% 0 0 -2919.0000 38 -2910.0000 Cuts: 366 2213 0.31% * 0+ 0 -2916.0000 -2919.0000 2213 0.10% * 0 0 integral 0 -2919.0000 Cuts: 6 2219 0.00% 0 0 cutoff -2919.0000 -2919.0000 2219 0.00% GUB cover cuts applied: 1 Clique cuts applied: 92 Cover cuts applied: 2 Implied bound cuts applied: 16 Zero-half cuts applied: 43 Gomory fractional cuts applied: 21 >>>>>>> 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 1554.0000. Tried aggregator 5 times. MIP Presolve eliminated 191832 rows and 35372 columns. MIP Presolve modified 24406 coefficients. Aggregator did 1259 substitutions. Reduced MIP has 61434 rows, 11319 columns, and 246144 nonzeros. Presolve time = 4.48 sec. Clique table members: 10588. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.85 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 287.6444 432 1554.0000 287.6444 13367 81.49% 0 0 426.5000 26 1554.0000 Cuts: 593 13562 72.55% * 0 0 integral 0 430.0000 Cuts: 12 13571 0.00% 0 0 cutoff 430.0000 430.0000 13571 0.00% Elapsed time = 16.23 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 284 Cover cuts applied: 3 Implied bound cuts applied: 66 Zero-half cuts applied: 35 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 2368.0000. Tried aggregator 5 times. Presolve has eliminated 191274 rows and 35152 columns... Aggregator has done 1207 substitutions... MIP Presolve eliminated 191274 rows and 35152 columns. MIP Presolve modified 24435 coefficients. Aggregator did 1207 substitutions. Reduced MIP has 62044 rows, 11591 columns, and 254322 nonzeros. Presolve time = 5.17 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 = 13.23 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1910.5278 137 2368.0000 1910.5278 21838 19.32% 0 0 2027.0000 24 2368.0000 Cuts: 301 22729 14.40% 0 0 2052.6667 63 2368.0000 Cuts: 28 22762 13.32% * 0+ 0 2062.0000 2052.6667 22764 0.45% 0 0 cutoff 2062.0000 2052.6667 22764 0.45% Elapsed time = 21.46 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 147 Implied bound cuts applied: 15 Zero-half cuts applied: 9 Gomory fractional cuts applied: 8