Hi everybody<br><br>The IP model of my problems  solves nicely using DIP.<br>But when I relax it to LP I get :<br>CPX0000  CPLEX Error  3003: Not a mixed-integer problem.<br><br>Is there any switch to set off/on for letting DIP know this is an LP?<br>
<br>The settings are the following:<br>DECOMP PARAMETER SETTINGS<br>PRICE_AND_CUT  LogLevel                 3<br>PRICE_AND_CUT  LogDebugLevel            0<br>PRICE_AND_CUT  LogLpLevel               0<br>PRICE_AND_CUT  LogDumpModel             0<br>
PRICE_AND_CUT  LogObjHistory            0<br>PRICE_AND_CUT  LimitInitVars            2<br>PRICE_AND_CUT  DebugLevel               0<br>PRICE_AND_CUT  TolZero                  1e-006<br>PRICE_AND_CUT  LimitTotalCutIters       214748364<br>
PRICE_AND_CUT  LimitTotalPriceIters     214748364<br>PRICE_AND_CUT  LimitRoundCutIters       10<br>PRICE_AND_CUT  LimitRoundPriceIters     10<br>PRICE_AND_CUT  LimitTime                1e+021<br>PRICE_AND_CUT  LimitNodes               214748364<br>
PRICE_AND_CUT  TailoffLength            10<br>PRICE_AND_CUT  TailoffPercent           0.1<br>PRICE_AND_CUT  MasterGapLimit           1e-006<br>PRICE_AND_CUT  PCStrategy               0<br>PRICE_AND_CUT  CompressColumns          1<br>
PRICE_AND_CUT  CompressColumnsIterFreq  2<br>PRICE_AND_CUT  CompressColumnsSizeMultLimit1.2<br>PRICE_AND_CUT  CompressColumnsMasterGapStart0.2<br>PRICE_AND_CUT  CutDC                    0<br>PRICE_AND_CUT  CutCGL                   1<br>
PRICE_AND_CUT  CutCglKnapC              1<br>PRICE_AND_CUT  CutCglFlowC              1<br>PRICE_AND_CUT  CutCglMir                1<br>PRICE_AND_CUT  CutCglClique             1<br>PRICE_AND_CUT  CutCglOddHole            1<br>
PRICE_AND_CUT  CutCglGomory             1<br>PRICE_AND_CUT  SubProbUseCutoff         0<br>PRICE_AND_CUT  SubProbGapLimitExact     0.0001<br>PRICE_AND_CUT  SubProbGapLimitInexact   0.1<br>PRICE_AND_CUT  SubProbTimeLimitExact    1e+021<br>
PRICE_AND_CUT  SubProbTimeLimitInexact  1e+021<br>PRICE_AND_CUT  SubProbNumThreads        1<br>PRICE_AND_CUT  SubProbNumSolLimit       1<br>PRICE_AND_CUT  SubProbSolverStartAlgo   0<br>PRICE_AND_CUT  RoundRobinInterval       0<br>
PRICE_AND_CUT  RoundRobinStrategy       0<br>PRICE_AND_CUT  SolveMasterAsIp          0<br>PRICE_AND_CUT  SolveMasterAsIpFreqNode  0<br>PRICE_AND_CUT  SolveMasterAsIpFreqPass  0<br>PRICE_AND_CUT  SolveMasterAsIpLimitTime 0<br>
PRICE_AND_CUT  SolveMasterAsIpLimitGap  0<br>PRICE_AND_CUT  SolveMasterUpdateAlgo    0<br>PRICE_AND_CUT  SolveRelaxAsIp           0<br>PRICE_AND_CUT  InitVarsWithCutDC        0<br>PRICE_AND_CUT  InitVarsWithIP           0<br>
PRICE_AND_CUT  InitVarsWithIPLimitTime  0<br>PRICE_AND_CUT  InitCompactSolve         0<br>PRICE_AND_CUT  DualStab                 0<br>PRICE_AND_CUT  DualStabAlpha            0.1<br>PRICE_AND_CUT  BreakOutPartial          0<br>
PRICE_AND_CUT  BranchEnforceInSubProb   0<br>PRICE_AND_CUT  BranchEnforceInMaster    1<br>PRICE_AND_CUT  MasterConvexityLessThan  0<br>PRICE_AND_CUT  ParallelColsLimit        1<br>PRICE_AND_CUT  BranchStrongIter         0<br>
PRICE_AND_CUT  NumThreads               1<br>PRICE_AND_CUT  DebugCheckBlocksColumns  1<br><br><br>regards,<br>Shahin<br>