Welcome to IBM(R) ILOG(R) CPLEX(R) Interactive Optimizer 12.4.0.0 with Simplex, Mixed Integer & Barrier Optimizers 5725-A06 5725-A29 5724-Y48 5724-Y49 5724-Y54 5724-Y55 Copyright IBM Corp. 1988, 2011. All Rights Reserved. Type 'help' for a list of available commands. Type 'help' followed by a command name for more information on commands. CPLEX> Selected objective sense: MINIMIZE Selected objective name: obj Selected RHS name: rhs Selected bound name: bnd Problem 'in_i.mps.gz' read. Read time = 0.48 sec. CPLEX> Available MIP parameters: cuts set types of cuts used during mixed integer optimization display set level of mixed integer node display interval set interval for printing mixed integer node display limits set limits for mixed integer optimization ordertype set type of generated priority order polishafter set starting conditions for solution polishing pool set solution pool characteristics strategy set strategy for mixed integer optimization tolerances set tolerances for mixed integer optimization MIP parameter to set: Available mixed integer limits: aggforcut set constraint aggregation limit for cut generation auxrootthreads set number of threads to use for auxiliary root tasks cutpasses set number of cutting plane passes cutsfactor set rows multiplier factor to limit cuts eachcutlimit set limit on number of cuts for each type per pass gomorycand set candidate limit for generating Gomory fractional cuts gomorypass set pass limit for generating Gomory fractional cuts nodes set branch and cut node limit polishtime set time limit for polishing best solution populate set solutions limit for each populate call probetime set time limit for probing repairtries set number of times to try repair heuristic solutions set mixed integer solutions limit strongcand set strong branching candidate limit strongit set strong branching iteration limit submipnodelim set sub-MIP node limit treememory set upper limit on size of tree in megabytes Mixed integer limit to set: Present value for mixed integer solutions limit: 9223372036800000000 New value for mixed integer solutions limit: New value for mixed integer solutions limit: 1 CPLEX> Present value for time limit in seconds: 1e+75 New value for time limit in seconds: New value for time limit in seconds: 3600 CPLEX> Tried aggregator 3 times. MIP Presolve eliminated 865 rows and 33160 columns. MIP Presolve modified 671 coefficients. Aggregator did 41144 substitutions. Reduced MIP has 53782 rows, 196565 columns, and 552355 nonzeros. Reduced MIP has 196565 binaries, 0 generals, 0 SOSs, and 0 indicators. Probing time = 0.31 sec. Tried aggregator 1 time. Presolve time = 1.69 sec. Probing time = 0.35 sec. Clique table members: 890215. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: deterministic, using up to 4 threads. Root relaxation solution time = 336.70 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Bound ItCnt Gap 0 0 -206.0921 10829 -206.0921 28 0 0 -205.8745 11595 Cuts: 197 14200 0 0 -205.8422 11411 Cuts: 58 19699 0 0 -205.7074 11154 Cuts: 56 33806 0 0 -205.5852 10883 Cuts: 84 49508 0 0 -205.5687 11214 Cuts: 153 58120 0 0 -205.5573 11481 Cuts: 36 66976 0 0 -205.5483 11417 ZeroHalf: 10 74660 0 0 -205.5167 11362 ZeroHalf: 6 83106 0 0 -205.4933 11448 ZeroHalf: 31 89058 0 0 -205.4829 11423 Cuts: 68 92512 0 0 -205.4566 11700 Cuts: 41 104684 0 0 -205.4521 11833 Cuts: 50 109165 Heuristic still looking. Heuristic still looking. * 0+ 0 -45.0833 -205.4521 109165 355.72% Clique cuts applied: 373 Zero-half cuts applied: 70 Root node processing (before b&c): Real time = 1501.37 Parallel b&c, 4 threads: Real time = 0.00 Sync time (average) = 0.00 Wait time (average) = 0.00 ------- Total (root+branch&cut) = 1501.37 sec. Solution pool: 1 solution saved. MIP - Solution limit exceeded, integer feasible: Objective = -4.5083317667e+01 Current MIP best bound = -2.0545208728e+02 (gap = 160.369, 355.72%) Solution time = 1503.07 sec. Iterations = 109165 Nodes = 0 (1) Deterministic time = 975862.54 ticks (649.25 ticks/sec) CPLEX> 2991.95user 0.66system 25:03.65elapsed 199%CPU (0avgtext+0avgdata 4301824maxresident)k 0inputs+288outputs (0major+500672minor)pagefaults 0swaps