[#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.
0x55c49fdaa900 RooAddPdf::model = 0.900674/1 [Auto,Clean] 
  0x55c49fe61250/V- RooAddPdf::bkg = 0.801348/1 [Auto,Clean] 
    0x55c49fe1ffa0/V- RooChebychev::bkg1 = 1 [Auto,Dirty] 
      0x55c49ee6bae0/V- RooRealVar::x = 5
      0x55c49f354c40/V- RooRealVar::a0 = 0.5
      0x55c49f0a4cc0/V- RooRealVar::a1 = 0
    0x55c49eff56d0/V- RooRealVar::sig1frac = 0.8
    0x55c49e2089d0/V- RooExponential::bkg2 = 0.00673795 [Auto,Dirty] 
      0x55c49ee6bae0/V- RooRealVar::x = 5
      0x55c49f00a8e0/V- RooRealVar::alpha = -1
  0x55c4989ef240/V- RooRealVar::bkgfrac = 0.5
  0x55c49e640a30/V- RooAddPdf::sig = 1/1 [Auto,Clean] 
    0x55c49f0c9d50/V- RooGaussian::sig1 = 1 [Auto,Dirty] 
      0x55c49ee6bae0/V- RooRealVar::x = 5
      0x55c49adf56c0/V- RooRealVar::mean = 5
      0x55c49edd0c10/V- RooRealVar::sigma1 = 0.5
    0x55c49eff56d0/V- RooRealVar::sig1frac = 0.8
    0x55c49f055990/V- RooGaussian::sig2 = 1 [Auto,Dirty] 
      0x55c49ee6bae0/V- RooRealVar::x = 5
      0x55c49adf56c0/V- RooRealVar::mean = 5
      0x55c4989eb730/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 813.924 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+ $ & $  0.5\pm 0.2$\\
$\verb+a1+ $ & $  0.3\pm 0.1$\\
$\verb+alpha+ $ & $ -1.00$\\
$\verb+bkgfrac+ $ & $  0.46\pm 0.03$\\
$\verb+mean+ $ & $  5$\\
$\verb+sig1frac+ $ & $  0.79\pm 0.05$\\
$\verb+sigma1+ $ & $  0.5$\\
$\verb+sigma2+ $ & $  1$\\
\end{tabular}
\begin{tabular}{lc|lc}
$\verb+a0+ $ & $  0.5\pm 0.2$ & $\verb+mean+ $ & $  5$\\
$\verb+a1+ $ & $  0.3\pm 0.1$ & $\verb+sig1frac+ $ & $  0.79\pm 0.05$\\
$\verb+alpha+ $ & $ -1.00$ & $\verb+sigma1+ $ & $  0.5$\\
$\verb+bkgfrac+ $ & $  0.46\pm 0.03$ & $\verb+sigma2+ $ & $  1$\\
\end{tabular}
\begin{tabular}{lcc}
$\verb+a0+ $ & $  0.5\pm 0.2$ & $ 0.5$\\
$\verb+a1+ $ & $  0.3\pm 0.1$ & $ 0$\\
$\verb+alpha+ $ & $ -1.00$ & $-1.00$\\
$\verb+bkgfrac+ $ & $  0.46\pm 0.03$ & $ 0.5$\\
$\verb+mean+ $ & $  5$ & $ 5$\\
$\verb+sig1frac+ $ & $  0.79\pm 0.05$ & $ 0.8$\\
$\verb+sigma1+ $ & $  0.5$ & $ 0.5$\\
$\verb+sigma2+ $ & $  1$ & $ 1$\\
\end{tabular}
\begin{tabular}{lcc|lcc}
$\verb+a0+ $ & $  0.5\pm 0.2$ & $ 0.5$ & $\verb+mean+ $ & $  5$ & $ 5$\\
$\verb+a1+ $ & $  0.3\pm 0.1$ & $ 0$ & $\verb+sig1frac+ $ & $  0.79\pm 0.05$ & $ 0.8$\\
$\verb+alpha+ $ & $ -1.00$ & $-1.00$ & $\verb+sigma1+ $ & $  0.5$ & $ 0.5$\\
$\verb+bkgfrac+ $ & $  0.46\pm 0.03$ & $ 0.5$ & $\verb+sigma2+ $ & $  1$ & $ 1$\\
\end{tabular}