RooFit v3.60 -- Developed by Wouter Verkerke and David Kirkby 
                Copyright (C) 2000-2013 NIKHEF, University of California & Stanford University
                All rights reserved, please read http://roofit.sourceforge.net/license.txt

[#1] INFO:Caching -- Changing internal binning of variable 't' in FFT 'modelConv' from 100 to 930 to improve the precision of the numerical FFT. This can be done manually by setting an additional binning named 'cache'.
[#1] INFO:Eval -- RooRealVar::setRange(t) new range named 'refrange_fft_modelConv' created with bounds [-10,30]
[#1] INFO:NumericIntegration -- RooRealIntegral::init(res_fft_Int[t]) using numeric integrator RooBinIntegrator to calculate Int(t)
[#1] INFO:Caching -- RooAbsCachedPdf::getCache(modelConv) creating new cache 0x5611eace28d0 with pdf model_CONV_res_CACHE_Obs[t]_NORM_t for nset (t) with code 0
[#1] INFO:Caching -- RooAbsCachedPdf::getCache(modelConv) creating new cache 0x5611eaee4850 with pdf model_CONV_res_CACHE_Obs[t]_NORM_t for nset (t) with code 0 from preexisting content.
[#1] INFO:Caching -- RooAbsCachedPdf::getCache(modelConv) creating new cache 0x5611eaee58f0 with pdf model_CONV_res_CACHE_Obs[t]_NORM_t for nset (t) with code 0 from preexisting content.
[#1] INFO:Caching -- RooAbsCachedPdf::getCache(modelConv) creating new cache 0x5611eafd9300 with pdf model_CONV_res_CACHE_Obs[t] for nset () with code 1 from preexisting content.
[#1] INFO:NumericIntegration -- RooRealIntegral::init(modelEff_clone_Int[t]) using numeric integrator RooIntegrator1D to calculate Int(t)
[#1] INFO:Minization -- RooMinimizer::optimizeConst: activating const optimization
[#1] INFO:Minization --  The following expressions have been identified as constant and will be precalculated and cached: (res,spline)
 **********
 **    1 **SET PRINT           1
 **********
 **********
 **    2 **SET NOGRAD
 **********
 PARAMETER DEFINITIONS:
    NO.   NAME         VALUE      STEP SIZE      LIMITS
     1 tau          1.54000e+00  4.90000e-01    1.00000e-01  5.00000e+00
 **********
 **    3 **SET ERR         0.5
 **********
 **********
 **    4 **SET PRINT           1
 **********
 **********
 **    5 **SET STR           1
 **********
 NOW USING STRATEGY  1: TRY TO BALANCE SPEED AGAINST RELIABILITY
 **********
 **    6 **MIGRAD         500           1
 **********
 FIRST CALL TO USER FUNCTION AT NEW START POINT, WITH IFLAG=4.
 START MIGRAD MINIMIZATION.  STRATEGY  1.  CONVERGENCE WHEN EDM .LT. 1.00e-03
[#1] INFO:NumericIntegration -- RooRealIntegral::init(res_fft_Int[t]) using numeric integrator RooBinIntegrator to calculate Int(t)
 FCN=15699.8 FROM MIGRAD    STATUS=INITIATE        4 CALLS           5 TOTAL
                     EDM= unknown      STRATEGY= 1      NO ERROR MATRIX       
  EXT PARAMETER               CURRENT GUESS       STEP         FIRST   
  NO.   NAME      VALUE            ERROR          SIZE      DERIVATIVE 
   1  tau          1.54000e+00   4.90000e-01   2.22513e-01  -2.08152e+02
                               ERR DEF= 0.5
 MIGRAD MINIMIZATION HAS CONVERGED.
 MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX.
 COVARIANCE MATRIX CALCULATED SUCCESSFULLY
 FCN=15698.9 FROM MIGRAD    STATUS=CONVERGED      17 CALLS          18 TOTAL
                     EDM=1.38928e-07    STRATEGY= 1      ERROR MATRIX ACCURATE 
  EXT PARAMETER                                   STEP         FIRST   
  NO.   NAME      VALUE            ERROR          SIZE      DERIVATIVE 
   1  tau          1.55880e+00   1.43692e-02   5.54725e-04  -5.81182e-02
                               ERR DEF= 0.5
 EXTERNAL ERROR MATRIX.    NDIM=  25    NPAR=  1    ERR DEF=0.5
  2.065e-04 
 **********
 **    7 **SET ERR         0.5
 **********
 **********
 **    8 **SET PRINT           1
 **********
 **********
 **    9 **HESSE         500
 **********
 COVARIANCE MATRIX CALCULATED SUCCESSFULLY
 FCN=15698.9 FROM HESSE     STATUS=OK              5 CALLS          23 TOTAL
                     EDM=1.38895e-07    STRATEGY= 1      ERROR MATRIX ACCURATE 
  EXT PARAMETER                                INTERNAL      INTERNAL  
  NO.   NAME      VALUE            ERROR       STEP SIZE       VALUE   
   1  tau          1.55880e+00   1.43692e-02   2.21890e-05  -4.16510e-01
                               ERR DEF= 0.5
 EXTERNAL ERROR MATRIX.    NDIM=  25    NPAR=  1    ERR DEF=0.5
  2.065e-04 
[#1] INFO:Minization -- RooMinimizer::optimizeConst: deactivating const optimization
[#1] INFO:NumericIntegration -- RooRealIntegral::init(res_fft_Int[t]) using numeric integrator RooBinIntegrator to calculate Int(t)
[#1] INFO:Caching -- RooAbsCachedPdf::getCache(modelConv) creating new cache 0x5611eb109450 with pdf model_CONV_res_CACHE_Obs[t]_NORM_t for nset (t) with code 0
[#1] INFO:Caching -- RooAbsCachedPdf::getCache(modelConv) creating new cache 0x5611eb05a050 with pdf model_CONV_res_CACHE_Obs[t] for nset () with code 1 from preexisting content.
[#1] INFO:NumericIntegration -- RooRealIntegral::init(modelEff_clone_Int[t]) using numeric integrator RooIntegrator1D to calculate Int(t)