[#0] WARNING:InputArguments -- The parameter 'sigma1' with range [-inf, inf] of the RooGaussian 'sig1' exceeds the safe range of (0, inf). Advise to limit its range.
[#0] WARNING:InputArguments -- The parameter 'sigma2' with range [-inf, inf] of the RooGaussian 'sig2' exceeds the safe range of (0, inf). Advise to limit its range.
[#1] INFO:Minimization -- p.d.f. provides expected number of events, including extended term in likelihood.
[#1] INFO:Fitting -- RooAbsPdf::fitTo(model) fixing normalization set for coefficient determination to observables in data
[#1] INFO:Fitting -- using generic CPU library compiled with no vectorizations
[#1] INFO:Fitting -- Creation of NLL object took 496.013 μs
[#1] INFO:Fitting -- RooAddition::defaultErrorLevel(nll_model_modelData) Summation contains a RooNLLVar, using its error level
[#1] INFO:Minimization -- [fitFCN] No discrete parameters, performing continuous minimization only
[#1] INFO:Plotting -- RooAbsPdf::plotOn(model) directly selected PDF components: (bkg)
[#1] INFO:Plotting -- RooAbsPdf::plotOn(model) indirectly selected PDF components: ()
[#1] INFO:Plotting -- RooAbsPdf::plotOn(model) directly selected PDF components: (bkg,sig2)
[#1] INFO:Plotting -- RooAbsPdf::plotOn(model) indirectly selected PDF components: (sig)
0x7ffd27a4b048 RooAddPdf::model = 0.898615/1 [Auto,Clean] 
  0x7ffd27a4a730/V- RooChebychev::bkg = 0.79892 [Auto,Dirty] 
    0x7ffd27a4ac60/V- RooRealVar::x = 5
    0x7ffd27a488a0/V- RooRealVar::a0 = 0.441701 +/- 0.0731848
    0x7ffd27a48c88/V- RooRealVar::a1 = 0.20108 +/- 0.1176
  0x7ffd27a4a348/V- RooRealVar::nbkg = 504.206 +/- 39.3065
  0x7ffd27a49458/V- RooAddPdf::sig = 1/1 [Auto,Clean] 
    0x7ffd27a47620/V- RooGaussian::sig1 = 1 [Auto,Dirty] 
      0x7ffd27a4ac60/V- RooRealVar::x = 5
      0x7ffd27a49b78/V- RooRealVar::mean = 5
      0x7ffd27a480d0/V- RooRealVar::sigma1 = 0.5
    0x7ffd27a49070/V- RooRealVar::sig1frac = 0.837341 +/- 0.116832
    0x7ffd27a47b78/V- RooGaussian::sig2 = 1 [Auto,Dirty] 
      0x7ffd27a4ac60/V- RooRealVar::x = 5
      0x7ffd27a49b78/V- RooRealVar::mean = 5
      0x7ffd27a484b8/V- RooRealVar::sigma2 = 1
  0x7ffd27a49f60/V- RooRealVar::nsig = 495.799 +/- 39.2005