--- Job n3701 Start 10/02/08 00:26:33 GAMS Rev 228 Copyright (C) 1987-2008 GAMS Development. All rights reserved Licensee: Stefan Vigerske G080908/0001CB-LNX Humboldt University Berlin, Numerical Mathematics DC5918 --- Starting compilation --- n3701.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/n3701.gdx --- n3701.gms(148) 5 Mb --- Starting execution: elapsed 0:00:00.092 --- n3701.gms(123) 5 Mb --- Generating MIP model m --- n3701.gms(124) 7 Mb --- 5,151 rows 10,001 columns 30,001 non-zeroes --- 5,000 discrete-columns --- n3701.gms(124) 7 Mb --- Executing SCIP: elapsed 0:00:00.274 SCIP version 1.10.0 [LP solver: Clp 1.8stable] Copyright (c) 2002-2008 Konrad-Zuse-Zentrum fuer Informationstechnik Berlin (ZIB) Optionfile /home/stefan/work/gams/benchmarks/LINLib.MIP/scip.opt successfully read. Starting MIP solve... presolving: (round 1) 0 del vars, 0 del conss, 5000 chg bounds, 0 chg sides, 0 chg coeffs, 0 upgd conss, 0 impls, 0 clqs (round 2) 0 del vars, 0 del conss, 5000 chg bounds, 0 chg sides, 0 chg coeffs, 5000 upgd conss, 0 impls, 0 clqs (0.2s) probing: 101/5000 (2.0%) - 0 fixings, 0 aggregations, 0 implications, 0 bound changes (0.2s) probing aborted: 100/100 successive totally useless probings presolving (3 rounds): 0 deleted vars, 0 deleted constraints, 5000 tightened bounds, 0 added holes, 0 changed sides, 0 changed coefficients 5000 implications, 0 cliques presolved problem has 10000 variables (5000 bin, 0 int, 0 impl, 5000 cont) and 5150 constraints 5000 constraints of type 150 constraints of type Presolving Time: 0.23 node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 6003 | 20M| 0 | 9.617640e+05 | -- | Inf r 1 | 0 | 6003 | 20M| 0 | 9.617640e+05 | 1.310970e+06 | 36.31% 1 | 0 | 6358 | 24M| 0 | 9.893119e+05 | 1.310970e+06 | 32.51% 1 | 0 | 6856 | 25M| 0 | 9.995569e+05 | 1.310970e+06 | 31.16% 1 | 0 | 7492 | 26M| 0 | 1.007236e+06 | 1.310970e+06 | 30.16% 1 | 0 | 8312 | 26M| 0 | 1.012468e+06 | 1.310970e+06 | 29.48% 1 | 0 | 9140 | 27M| 0 | 1.016137e+06 | 1.310970e+06 | 29.02% 1 | 0 | 9939 | 28M| 0 | 1.019469e+06 | 1.310970e+06 | 28.59% 1 | 0 | 11014 | 28M| 0 | 1.021586e+06 | 1.310970e+06 | 28.33% 1 | 0 | 11971 | 29M| 0 | 1.023300e+06 | 1.310970e+06 | 28.11% 1 | 0 | 12792 | 29M| 0 | 1.024602e+06 | 1.310970e+06 | 27.95% 1 | 0 | 13748 | 30M| 0 | 1.025829e+06 | 1.310970e+06 | 27.80% 1 | 0 | 14488 | 30M| 0 | 1.026420e+06 | 1.310970e+06 | 27.72% 1 | 0 | 15000 | 30M| 0 | 1.026576e+06 | 1.310970e+06 | 27.70% 1 | 0 | 15320 | 30M| 0 | 1.026678e+06 | 1.310970e+06 | 27.69% node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 15483 | 30M| 0 | 1.026710e+06 | 1.310970e+06 | 27.69% 1 | 0 | 15584 | 30M| 0 | 1.026716e+06 | 1.310970e+06 | 27.69% 1 | 0 | 15718 | 30M| 0 | 1.026726e+06 | 1.310970e+06 | 27.68% 1 | 0 | 15946 | 31M| 0 | 1.026766e+06 | 1.310970e+06 | 27.68% 1 | 0 | 16092 | 31M| 0 | 1.026783e+06 | 1.310970e+06 | 27.68% 1 | 2 | 19536 | 31M| 0 | 1.026783e+06 | 1.310970e+06 | 27.68% 100 | 101 |263227 | 42M| 19 | 1.027375e+06 | 1.310970e+06 | 27.60% 200 | 201 |448355 | 43M| 23 | 1.027956e+06 | 1.310970e+06 | 27.53% 300 | 301 |588626 | 43M| 33 | 1.027956e+06 | 1.310970e+06 | 27.53% 400 | 401 |702366 | 44M| 35 | 1.027956e+06 | 1.310970e+06 | 27.53% 500 | 501 |848624 | 44M| 39 | 1.027956e+06 | 1.310970e+06 | 27.53% (node 548) unresolved numerical troubles in LP 9895 600 | 601 | 1010k| 45M| 39 | 1.028028e+06 | 1.310970e+06 | 27.52% 700 | 701 | 1204k| 45M| 39 | 1.028028e+06 | 1.310970e+06 | 27.52% 800 | 801 | 1279k| 45M| 39 | 1.028028e+06 | 1.310970e+06 | 27.52% 900 | 901 | 1367k| 46M| 39 | 1.028061e+06 | 1.310970e+06 | 27.52% node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1000 | 1001 | 1441k| 46M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% 1100 | 1101 | 1632k| 47M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% (node 1147) unresolved numerical troubles in LP 16624 1200 | 1201 | 1722k| 47M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% 1300 | 1301 | 1798k| 47M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% 1400 | 1401 | 1884k| 48M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% 1500 | 1501 | 1954k| 48M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% 1600 | 1601 | 2032k| 49M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% 1700 | 1701 | 2107k| 49M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% 1800 | 1801 | 2168k| 49M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% 1900 | 1901 | 2391k| 50M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% (node 1961) unresolved numerical troubles in LP 23313 2000 | 2001 | 2527k| 50M| 41 | 1.028061e+06 | 1.310970e+06 | 27.52% (node 2049) unresolved numerical troubles in LP 24333 SCIP Status : solving was interrupted [time limit reached] Solving Time (sec) : 3600.08 Solving Nodes : 2049 Primal Bound : +1.31097000000000e+06 (830 solutions) Dual Bound : +1.02806136542527e+06 Gap : 27.52 % SCIP Status : solving was interrupted [time limit reached] Solving Time : 3600.08 Original Problem : Problem name : gamsmodel Variables : 10000 (5000 binary, 0 integer, 0 implicit integer, 5000 continuous) Constraints : 5150 initial, 5150 maximal Presolved Problem : Problem name : t_gamsmodel Variables : 10000 (5000 binary, 0 integer, 0 implicit integer, 5000 continuous) Constraints : 5150 initial, 5150 maximal Presolvers : Time FixedVars AggrVars ChgTypes ChgBounds AddHoles DelCons ChgSides ChgCoefs trivial : 0.00 0 0 0 0 0 0 0 0 dualfix : 0.00 0 0 0 0 0 0 0 0 boundshift : 0.00 0 0 0 0 0 0 0 0 inttobinary : 0.00 0 0 0 0 0 0 0 0 implics : 0.00 0 0 0 0 0 0 0 0 probing : 0.09 0 0 0 0 0 0 0 0 varbound : 0.01 0 0 0 0 0 0 0 0 linear : 0.12 0 0 0 5000 0 0 0 0 root node : - 0 - - 0 - - - - Constraints : Number #Separate #Propagate #EnfoLP #EnfoPS Cutoffs DomReds Cuts Conss Children integral : 0 0 0 2049 0 0 0 0 0 4098 varbound : 5000 19 45490 0 0 0 1953 0 0 0 linear : 150 19 45490 0 0 0 0 231 0 0 countsols : 0 0 0 0 0 0 0 0 0 0 Constraint Timings : TotalTime Separate Propagate EnfoLP EnfoPS integral : 661.23 0.00 0.00 661.23 0.00 varbound : 8.67 0.02 8.65 0.00 0.00 linear : 1.14 0.43 0.71 0.00 0.00 countsols : 0.00 0.00 0.00 0.00 0.00 Propagators : Time Calls Cutoffs DomReds rootredcost : 0.07 0 0 0 pseudoobj : 23.92 45313 0 0 Conflict Analysis : Time Calls Success Conflicts Literals Reconvs ReconvLits LP Iters propagation : 0.00 0 0 0 0.0 0 0.0 - infeasible LP : 0.01 4 0 0 0.0 0 0.0 0 bound exceed. LP : 0.00 0 0 0 0.0 0 0.0 0 strong branching : 0.00 0 0 0 0.0 0 0.0 0 pseudo solution : 0.00 0 0 0 0.0 0 0.0 - applied globally : - - - 0 0.0 - - - applied locally : - - - 0 0.0 - - - Separators : Time Calls Cutoffs DomReds Cuts Conss cut pool : 0.04 18 - - 737 - (maximal pool size: 2276) redcost : 1.27 2067 0 0 0 0 impliedbounds : 0.03 19 0 0 0 0 intobj : 0.00 0 0 0 0 0 gomory : 1.64 19 0 0 62 0 strongcg : 1.56 19 0 0 0 0 cmir : 22.16 10 0 0 2003 0 flowcover : 5.73 10 0 0 664 0 clique : 0.00 1 0 0 0 0 zerohalf : 0.00 0 0 0 0 0 mcf : 0.00 0 0 0 0 0 Pricers : Time Calls Vars problem variables: 0.00 0 0 Branching Rules : Time Calls Cutoffs DomReds Cuts Conss Children relpscost : 661.22 2049 0 0 0 0 4098 pscost : 0.00 0 0 0 0 0 0 inference : 0.00 0 0 0 0 0 0 mostinf : 0.00 0 0 0 0 0 0 leastinf : 0.00 0 0 0 0 0 0 fullstrong : 0.00 0 0 0 0 0 0 allfullstrong : 0.00 0 0 0 0 0 0 random : 0.00 0 0 0 0 0 0 Primal Heuristics : Time Calls Found LP solutions : 0.00 - 0 pseudo solutions : 0.00 - 0 oneopt : 0.01 1 0 guideddiving : 171.38 11 0 pscostdiving : 205.14 12 81 objpscostdiving : 76.51 6 0 coefdiving : 218.04 13 299 fracdiving : 220.56 14 11 simplerounding : 0.34 2067 33 rounding : 2.84 595 0 shifting : 1.01 170 0 intshifting : 52.11 9 0 fixandinfer : 0.00 0 0 feaspump : 0.00 0 0 veclendiving : 379.24 11 329 intdiving : 0.00 0 0 actconsdiving : 0.00 0 0 rootsoldiving : 20.73 2 0 linesearchdiving : 250.41 6 75 octane : 0.00 0 0 rens : 20.72 1 1 rins : 0.00 0 0 localbranching : 0.00 0 0 mutation : 0.00 0 0 crossover : 2.18 1 1 dins : 0.00 0 0 LP : Time Calls Iterations Iter/call Iter/sec primal LP : 5.01 0 0 0.00 0.00 dual LP : 1269.99 2068 975112 471.52 767.81 barrier LP : 0.00 0 0 0.00 - diving/probing LP: 1489.31 22265 1620521 72.78 1088.10 strong branching : 660.90 1805 460541 255.15 696.84 (at root node) : - 17 5423 319.00 - conflict analysis: 0.00 0 0 0.00 - B&B Tree : number of runs : 1 nodes : 2049 nodes (total) : 2049 nodes left : 2050 max depth : 41 max depth (total): 41 backtracks : 103 (5.0%) delayed cutoffs : 0 repropagations : 0 (0 domain reductions, 0 cutoffs) avg switch length: 2.66 switching time : 1.59 Solution : Solutions found : 830 (1 improvements) Primal Bound : +1.31097000000000e+06 (in run 1, after 1 nodes, 1.71 seconds, depth 0, found by ) Dual Bound : +1.02806136542527e+06 Gap : 27.52 % Root Dual Bound : +1.02678327571085e+06 Solving LP with fixed discrete variables... GAMS/SCIP finished. --- Restarting execution --- n3701.gms(124) 0 Mb --- Reading solution for model m --- n3701.gms(124) 5 Mb *** Status: Normal completion --- Job n3701.gms Stop 10/02/08 01:27:01 elapsed 1:00:28.084