--- Job blend2 Start 10/01/08 13:32:44 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 --- blend2.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/blend2.gdx --- blend2.gms(148) 3 Mb --- Starting execution: elapsed 0:00:00.010 --- blend2.gms(123) 4 Mb --- Generating MIP model m --- blend2.gms(124) 4 Mb --- 275 rows 354 columns 1,498 non-zeroes --- 256 discrete-columns --- Executing SCIP: elapsed 0:00:00.024 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) 34 del vars, 105 del conss, 103 chg bounds, 0 chg sides, 0 chg coeffs, 0 upgd conss, 0 impls, 0 clqs (round 2) 47 del vars, 118 del conss, 105 chg bounds, 0 chg sides, 6 chg coeffs, 0 upgd conss, 26 impls, 0 clqs (round 3) 47 del vars, 118 del conss, 105 chg bounds, 0 chg sides, 6 chg coeffs, 75 upgd conss, 26 impls, 0 clqs presolving (4 rounds): 47 deleted vars, 118 deleted constraints, 107 tightened bounds, 0 added holes, 0 changed sides, 6 changed coefficients 1147 implications, 0 cliques presolved problem has 306 variables (214 bin, 20 int, 71 impl, 1 cont) and 156 constraints 75 constraints of type 81 constraints of type Presolving Time: 0.07 node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 204 | 979k| 0 | 6.915675e+00 | -- | Inf 1 | 0 | 612 |1040k| 0 | 6.933754e+00 | -- | Inf 1 | 0 | 615 |1043k| 0 | 6.934562e+00 | -- | Inf E 1 | 0 | 642 |1050k| 0 | 6.934562e+00 | 7.598985e+00 | 9.58% 1 | 0 | 642 |1042k| 0 | 6.934562e+00 | 7.598985e+00 | 9.58% 1 | 0 | 642 |1013k| 0 | 6.934562e+00 | 7.598985e+00 | 9.58% 1 | 0 | 642 |1013k| 0 | 6.934562e+00 | 7.598985e+00 | 9.58% (run 1, node 1) restarting after 125 global fixings of integer variables (restart) converted 8 cuts from the global cut pool into linear constraints presolving: (round 1) 127 del vars, 1 del conss, 1 chg bounds, 0 chg sides, 3 chg coeffs, 0 upgd conss, 1149 impls, 0 clqs (round 2) 127 del vars, 1 del conss, 1 chg bounds, 0 chg sides, 4 chg coeffs, 5 upgd conss, 1149 impls, 0 clqs presolving (3 rounds): 127 deleted vars, 1 deleted constraints, 1 tightened bounds, 0 added holes, 0 changed sides, 4 changed coefficients 1149 implications, 0 cliques presolved problem has 179 variables (130 bin, 6 int, 42 impl, 1 cont) and 104 constraints 44 constraints of type 55 constraints of type 5 constraints of type Presolving Time: 0.08 node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 772 | 946k| 0 | 7.043999e+00 | 7.598985e+00 | 7.88% 1 | 0 | 775 | 939k| 0 | 7.043999e+00 | 7.598985e+00 | 7.88% 1 | 2 | 775 | 940k| 0 | 7.043999e+00 | 7.598985e+00 | 7.88% (run 2, node 1) restarting after 32 global fixings of integer variables (restart) converted 3 cuts from the global cut pool into linear constraints presolving: (round 1) 32 del vars, 0 del conss, 0 chg bounds, 0 chg sides, 0 chg coeffs, 1 upgd conss, 1149 impls, 0 clqs presolving (2 rounds): 32 deleted vars, 0 deleted constraints, 0 tightened bounds, 0 added holes, 0 changed sides, 0 changed coefficients 1149 implications, 0 cliques presolved problem has 147 variables (105 bin, 6 int, 35 impl, 1 cont) and 92 constraints 36 constraints of type 50 constraints of type 6 constraints of type Presolving Time: 0.09 node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 903 | 921k| 0 | 7.043999e+00 | 7.598985e+00 | 7.88% 1 | 0 | 905 | 922k| 0 | 7.043999e+00 | 7.598985e+00 | 7.88% 1 | 2 | 905 | 923k| 0 | 7.043999e+00 | 7.598985e+00 | 7.88% 100 | 35 | 1603 | 970k| 20 | 7.322918e+00 | 7.598985e+00 | 3.77% SCIP Status : problem is solved [optimal solution found] Solving Time (sec) : 0.63 Solving Nodes : 170 (total of 172 nodes in 3 runs) Primal Bound : +7.59898500000000e+00 (1 solutions) Dual Bound : +7.59898500000000e+00 Gap : 0.00 % SCIP Status : problem is solved [optimal solution found] Solving Time : 0.63 Original Problem : Problem name : gamsmodel Variables : 353 (239 binary, 25 integer, 0 implicit integer, 89 continuous) Constraints : 274 initial, 274 maximal Presolved Problem : Problem name : t_gamsmodel Variables : 147 (105 binary, 6 integer, 35 implicit integer, 1 continuous) Constraints : 92 initial, 94 maximal Presolvers : Time FixedVars AggrVars ChgTypes ChgBounds AddHoles DelCons ChgSides ChgCoefs trivial : 0.00 165 0 0 2 0 0 0 0 dualfix : 0.00 10 0 0 0 0 0 0 0 boundshift : 0.00 0 0 0 0 0 0 0 0 inttobinary : 0.00 0 0 6 0 0 0 0 0 implics : 0.00 0 0 0 0 0 0 0 0 probing : 0.06 0 0 0 2 0 0 0 0 varbound : 0.00 0 0 0 0 0 0 0 4 linear : 0.02 0 31 0 104 0 119 0 6 logicor : 0.00 0 0 0 0 0 0 0 0 bounddisjunction : 0.00 0 0 0 0 0 0 0 0 root node : - 176 - - 184 - - - - Constraints : Number #Separate #Propagate #EnfoLP #EnfoPS Cutoffs DomReds Cuts Conss Children integral : 0 0 0 161 0 11 87 0 0 174 varbound : 36 6 1681 0 0 3 611 0 0 0 linear : 50 6 1705 0 0 57 2596 2 0 0 logicor : 6 2 125 0 0 0 2 0 0 0 bounddisjunction : 0+ 0 26 0 0 1 3 0 0 0 countsols : 0 0 0 0 0 0 0 0 0 0 Constraint Timings : TotalTime Separate Propagate EnfoLP EnfoPS integral : 0.14 0.00 0.00 0.14 0.00 varbound : 0.01 0.00 0.01 0.00 0.00 linear : 0.05 0.00 0.05 0.00 0.00 logicor : 0.00 0.00 0.00 0.00 0.00 bounddisjunction : 0.00 0.00 0.00 0.00 0.00 countsols : 0.00 0.00 0.00 0.00 0.00 Propagators : Time Calls Cutoffs DomReds rootredcost : 0.00 0 0 0 pseudoobj : 0.01 917 10 275 Conflict Analysis : Time Calls Success Conflicts Literals Reconvs ReconvLits LP Iters propagation : 0.00 68 30 156 36.4 0 0.0 - infeasible LP : 0.01 34 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 : - - - 3 19.0 - - - applied locally : - - - 28 35.8 - - - Separators : Time Calls Cutoffs DomReds Cuts Conss cut pool : 0.00 0 - - 0 - (maximal pool size: 3) redcost : 0.00 262 0 801 0 0 impliedbounds : 0.00 6 0 0 13 0 intobj : 0.00 0 0 0 0 0 gomory : 0.00 6 0 0 0 0 strongcg : 0.01 6 0 0 0 0 cmir : 0.10 6 0 0 11 0 flowcover : 0.02 6 0 0 0 0 clique : 0.00 6 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 : 0.14 161 11 87 0 0 174 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 : 0.00 0 0 crossover : 0.00 0 0 feaspump : 0.02 1 0 linesearchdiving : 0.00 2 0 coefdiving : 0.00 2 0 fracdiving : 0.01 3 0 veclendiving : 0.00 3 0 pscostdiving : 0.01 3 0 rootsoldiving : 0.03 2 0 simplerounding : 0.00 196 0 rounding : 0.00 151 0 shifting : 0.00 19 0 intshifting : 0.01 2 0 fixandinfer : 0.00 0 0 intdiving : 0.00 0 0 actconsdiving : 0.00 0 0 objpscostdiving : 0.02 2 0 guideddiving : 0.00 0 0 octane : 0.00 0 0 rens : 0.01 1 1 rins : 0.00 0 0 localbranching : 0.00 0 0 mutation : 0.00 0 0 dins : 0.00 0 0 LP : Time Calls Iterations Iter/call Iter/sec primal LP : 0.00 0 0 0.00 - dual LP : 0.10 223 1246 5.59 12460.00 barrier LP : 0.00 0 0 0.00 - diving/probing LP: 0.08 159 892 5.61 11150.00 strong branching : 0.14 422 2559 6.06 18278.57 (at root node) : - 41 334 8.15 - conflict analysis: 0.00 0 0 0.00 - B&B Tree : number of runs : 3 nodes : 170 nodes (total) : 172 nodes left : 0 max depth : 20 max depth (total): 20 backtracks : 72 (42.4%) delayed cutoffs : 3 repropagations : 2 (74 domain reductions, 2 cutoffs) avg switch length: 6.74 switching time : 0.02 Solution : Solutions found : 1 (1 improvements) Primal Bound : +7.59898500000000e+00 (in run 1, after 1 nodes, 0.17 seconds, depth 0, found by ) Dual Bound : +7.59898500000000e+00 Gap : 0.00 % Root Dual Bound : +7.04399907040235e+00 Solving LP with fixed discrete variables... GAMS/SCIP finished. --- Restarting execution --- blend2.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job blend2.gms Stop 10/01/08 13:32:45 elapsed 0:00:00.715