--- Job n3700 Start 10/01/08 23:26:19 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 --- n3700.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/n3700.gdx --- n3700.gms(148) 5 Mb --- Starting execution: elapsed 0:00:00.068 --- n3700.gms(123) 5 Mb --- Generating MIP model m --- n3700.gms(124) 7 Mb --- 5,151 rows 10,001 columns 30,001 non-zeroes --- 5,000 discrete-columns --- n3700.gms(124) 7 Mb --- Executing SCIP: elapsed 0:00:00.214 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: 0.22 node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 6477 | 20M| 0 | 9.723057e+05 | -- | Inf r 1 | 0 | 6477 | 20M| 0 | 9.723057e+05 | 1.342560e+06 | 38.08% 1 | 0 | 6745 | 24M| 0 | 9.989978e+05 | 1.342560e+06 | 34.39% 1 | 0 | 7198 | 25M| 0 | 1.010362e+06 | 1.342560e+06 | 32.88% 1 | 0 | 7878 | 26M| 0 | 1.020716e+06 | 1.342560e+06 | 31.53% 1 | 0 | 8549 | 26M| 0 | 1.026497e+06 | 1.342560e+06 | 30.79% 1 | 0 | 9410 | 27M| 0 | 1.030520e+06 | 1.342560e+06 | 30.28% 1 | 0 | 10299 | 28M| 0 | 1.034152e+06 | 1.342560e+06 | 29.82% 1 | 0 | 11072 | 28M| 0 | 1.035698e+06 | 1.342560e+06 | 29.63% 1 | 0 | 11832 | 28M| 0 | 1.036794e+06 | 1.342560e+06 | 29.49% 1 | 0 | 12652 | 29M| 0 | 1.038085e+06 | 1.342560e+06 | 29.33% 1 | 0 | 13470 | 29M| 0 | 1.039280e+06 | 1.342560e+06 | 29.18% 1 | 0 | 14104 | 29M| 0 | 1.039654e+06 | 1.342560e+06 | 29.14% 1 | 0 | 14397 | 30M| 0 | 1.039916e+06 | 1.342560e+06 | 29.10% 1 | 0 | 14630 | 30M| 0 | 1.040021e+06 | 1.342560e+06 | 29.09% node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 14714 | 30M| 0 | 1.040044e+06 | 1.342560e+06 | 29.09% 1 | 0 | 14738 | 30M| 0 | 1.040046e+06 | 1.342560e+06 | 29.09% 1 | 2 | 14738 | 30M| 0 | 1.040046e+06 | 1.342560e+06 | 29.09% 100 | 101 |295907 | 42M| 29 | 1.040616e+06 | 1.342560e+06 | 29.02% 200 | 201 |541648 | 42M| 29 | 1.040622e+06 | 1.342560e+06 | 29.02% 300 | 301 |635145 | 43M| 29 | 1.040744e+06 | 1.342560e+06 | 29.00% 400 | 401 |711379 | 43M| 45 | 1.040903e+06 | 1.342560e+06 | 28.98% 500 | 501 |783582 | 44M| 45 | 1.041056e+06 | 1.342560e+06 | 28.96% (node 598) unresolved numerical troubles in LP 9379 600 | 601 |936942 | 44M| 45 | 1.041098e+06 | 1.342560e+06 | 28.96% 700 | 701 | 1007k| 45M| 53 | 1.041098e+06 | 1.342560e+06 | 28.96% 800 | 801 | 1113k| 45M| 64 | 1.041098e+06 | 1.342560e+06 | 28.96% 900 | 901 | 1176k| 45M| 65 | 1.041098e+06 | 1.342560e+06 | 28.96% 1000 | 1001 | 1296k| 46M| 65 | 1.041098e+06 | 1.342560e+06 | 28.96% 1100 | 1101 | 1351k| 46M| 65 | 1.041098e+06 | 1.342560e+06 | 28.96% 1200 | 1201 | 1736k| 47M| 65 | 1.041098e+06 | 1.342560e+06 | 28.96% node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1300 | 1301 | 1792k| 47M| 65 | 1.041098e+06 | 1.342560e+06 | 28.96% 1400 | 1401 | 1828k| 48M| 65 | 1.041098e+06 | 1.342560e+06 | 28.96% 1500 | 1501 | 1903k| 48M| 65 | 1.041098e+06 | 1.342560e+06 | 28.96% 1600 | 1601 | 1959k| 49M| 65 | 1.041098e+06 | 1.342560e+06 | 28.96% 1700 | 1701 | 2005k| 49M| 69 | 1.041098e+06 | 1.342560e+06 | 28.96% 1800 | 1801 | 2038k| 49M| 69 | 1.041098e+06 | 1.342560e+06 | 28.96% 1900 | 1901 | 2091k| 50M| 69 | 1.041098e+06 | 1.342560e+06 | 28.96% 2000 | 2001 | 2143k| 50M| 69 | 1.041098e+06 | 1.342560e+06 | 28.96% 2100 | 2101 | 2197k| 51M| 69 | 1.041137e+06 | 1.342560e+06 | 28.95% 2200 | 2201 | 2295k| 51M| 69 | 1.041137e+06 | 1.342560e+06 | 28.95% 2300 | 2301 | 2367k| 51M| 71 | 1.041137e+06 | 1.342560e+06 | 28.95% 2400 | 2401 | 2426k| 52M| 71 | 1.041259e+06 | 1.342560e+06 | 28.94% 2500 | 2501 | 2469k| 52M| 73 | 1.041259e+06 | 1.342560e+06 | 28.94% 2600 | 2601 | 2514k| 53M| 73 | 1.041259e+06 | 1.342560e+06 | 28.94% 2700 | 2701 | 2580k| 53M| 73 | 1.041259e+06 | 1.342560e+06 | 28.94% node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 2800 | 2801 | 2630k| 53M| 83 | 1.041259e+06 | 1.342560e+06 | 28.94% SCIP Status : solving was interrupted [time limit reached] Solving Time (sec) : 3600.00 Solving Nodes : 2822 Primal Bound : +1.34256000000000e+06 (666 solutions) Dual Bound : +1.04125878590488e+06 Gap : 28.94 % SCIP Status : solving was interrupted [time limit reached] Solving Time : 3600.00 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 : 0.00 0 0 0 0 0 0 0 0 linear : 0.11 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 2822 0 0 0 0 0 5644 varbound : 5000 16 48221 0 0 0 2728 0 0 0 linear : 150 16 48221 0 0 0 0 243 0 0 countsols : 0 0 0 0 0 0 0 0 0 0 Constraint Timings : TotalTime Separate Propagate EnfoLP EnfoPS integral : 733.19 0.00 0.00 733.19 0.00 varbound : 9.56 0.00 9.56 0.00 0.00 linear : 1.06 0.39 0.67 0.00 0.00 countsols : 0.00 0.00 0.00 0.00 0.00 Propagators : Time Calls Cutoffs DomReds rootredcost : 0.01 0 0 0 pseudoobj : 25.46 48047 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 : 0.00 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 : 0.01 15 - - 657 - (maximal pool size: 2185) redcost : 2.32 2837 0 0 0 0 impliedbounds : 0.02 16 0 0 0 0 intobj : 0.00 0 0 0 0 0 gomory : 1.35 16 0 0 81 0 strongcg : 1.28 16 0 0 5 0 cmir : 19.86 10 0 0 1993 0 flowcover : 4.37 10 0 0 543 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 : 733.16 2822 0 0 0 0 5644 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 : 0.02 1 0 veclendiving : 279.77 3 222 linesearchdiving : 139.39 3 0 fracdiving : 184.88 12 0 guideddiving : 185.91 12 0 coefdiving : 226.46 14 299 intshifting : 64.89 14 0 pscostdiving : 229.80 14 113 simplerounding : 0.30 2837 30 rounding : 3.13 706 0 shifting : 1.41 208 0 fixandinfer : 0.00 0 0 feaspump : 0.00 0 0 intdiving : 0.00 0 0 actconsdiving : 0.00 0 0 objpscostdiving : 49.95 5 0 rootsoldiving : 23.60 3 0 octane : 0.00 0 0 rens : 23.47 1 1 rins : 0.00 0 0 localbranching : 0.00 0 0 mutation : 0.00 0 0 crossover : 2.47 1 1 dins : 0.00 0 0 LP : Time Calls Iterations Iter/call Iter/sec primal LP : 3.49 0 0 0.00 0.00 dual LP : 1404.70 2838 1122321 395.46 798.98 barrier LP : 0.00 0 0 0.00 - diving/probing LP: 1281.00 22494 1527288 67.90 1192.26 strong branching : 732.59 2023 520789 257.43 710.89 (at root node) : - 17 5720 336.47 - conflict analysis: 0.00 0 0 0.00 - B&B Tree : number of runs : 1 nodes : 2822 nodes (total) : 2822 nodes left : 2823 max depth : 83 max depth (total): 83 backtracks : 95 (3.4%) delayed cutoffs : 0 repropagations : 0 (0 domain reductions, 0 cutoffs) avg switch length: 2.63 switching time : 1.62 Solution : Solutions found : 666 (1 improvements) Primal Bound : +1.34256000000000e+06 (in run 1, after 1 nodes, 2.08 seconds, depth 0, found by ) Dual Bound : +1.04125878590488e+06 Gap : 28.94 % Root Dual Bound : +1.04004616644704e+06 Solving LP with fixed discrete variables... GAMS/SCIP finished. --- Restarting execution --- n3700.gms(124) 0 Mb --- Reading solution for model m --- n3700.gms(124) 5 Mb *** Status: Normal completion --- Job n3700.gms Stop 10/02/08 00:26:33 elapsed 1:00:14.172