[#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.
0x7ffdd455b118 RooAddPdf::model = 0.820674/1 [Auto,Clean] 
  0x7ffdd455a228/V- RooAddPdf::bkg = 0.641348/1 [Auto,Clean] 
    0x7ffdd4557ca8/V- RooChebychev::bkg1 = 0.8 [Auto,Dirty] 
      0x7ffdd455ad30/V- RooRealVar::x = 5
      0x7ffdd4558ea0/V- RooRealVar::a0 = 0.5
      0x7ffdd4559288/V- RooRealVar::a1 = 0.2
    0x7ffdd4559e40/V- RooRealVar::sig1frac = 0.8
    0x7ffdd45581d8/V- RooExponential::bkg2 = 0.00673795 [Auto,Dirty] 
      0x7ffdd455ad30/V- RooRealVar::x = 5
      0x7ffdd4559670/V- RooRealVar::alpha = -1
  0x7ffdd455a948/V- RooRealVar::bkgfrac = 0.5
  0x7ffdd45566f0/V- RooAddPdf::sig = 1/1 [Auto,Clean] 
    0x7ffdd4556e10/V- RooGaussian::sig1 = 1 [Auto,Dirty] 
      0x7ffdd455ad30/V- RooRealVar::x = 5
      0x7ffdd4559a58/V- RooRealVar::mean = 5
      0x7ffdd45586d0/V- RooRealVar::sigma1 = 0.5
    0x7ffdd4559e40/V- RooRealVar::sig1frac = 0.8
    0x7ffdd4557368/V- RooGaussian::sig2 = 1 [Auto,Dirty] 
      0x7ffdd455ad30/V- RooRealVar::x = 5
      0x7ffdd4559a58/V- RooRealVar::mean = 5
      0x7ffdd4558ab8/V- RooRealVar::sigma2 = 1
[#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 517.093 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
\begin{tabular}{lc}
$\verb+a0+ $ & $  0.6\pm 0.2$\\
$\verb+a1+ $ & $  0.2\pm 0.2$\\
$\verb+alpha+ $ & $ -1.00$\\
$\verb+bkgfrac+ $ & $  0.45\pm 0.03$\\
$\verb+mean+ $ & $  5$\\
$\verb+sig1frac+ $ & $  0.71\pm 0.06$\\
$\verb+sigma1+ $ & $  0.5$\\
$\verb+sigma2+ $ & $  1$\\
\end{tabular}
\begin{tabular}{lc|lc}
$\verb+a0+ $ & $  0.6\pm 0.2$ & $\verb+mean+ $ & $  5$\\
$\verb+a1+ $ & $  0.2\pm 0.2$ & $\verb+sig1frac+ $ & $  0.71\pm 0.06$\\
$\verb+alpha+ $ & $ -1.00$ & $\verb+sigma1+ $ & $  0.5$\\
$\verb+bkgfrac+ $ & $  0.45\pm 0.03$ & $\verb+sigma2+ $ & $  1$\\
\end{tabular}
\begin{tabular}{lcc}
$\verb+a0+ $ & $  0.6\pm 0.2$ & $ 0.5$\\
$\verb+a1+ $ & $  0.2\pm 0.2$ & $ 0.2$\\
$\verb+alpha+ $ & $ -1.00$ & $-1.00$\\
$\verb+bkgfrac+ $ & $  0.45\pm 0.03$ & $ 0.5$\\
$\verb+mean+ $ & $  5$ & $ 5$\\
$\verb+sig1frac+ $ & $  0.71\pm 0.06$ & $ 0.8$\\
$\verb+sigma1+ $ & $  0.5$ & $ 0.5$\\
$\verb+sigma2+ $ & $  1$ & $ 1$\\
\end{tabular}
\begin{tabular}{lcc|lcc}
$\verb+a0+ $ & $  0.6\pm 0.2$ & $ 0.5$ & $\verb+mean+ $ & $  5$ & $ 5$\\
$\verb+a1+ $ & $  0.2\pm 0.2$ & $ 0.2$ & $\verb+sig1frac+ $ & $  0.71\pm 0.06$ & $ 0.8$\\
$\verb+alpha+ $ & $ -1.00$ & $-1.00$ & $\verb+sigma1+ $ & $  0.5$ & $ 0.5$\\
$\verb+bkgfrac+ $ & $  0.45\pm 0.03$ & $ 0.5$ & $\verb+sigma2+ $ & $  1$ & $ 1$\\
\end{tabular}