Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-maint.10.0.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,fileNamePrefix="Buildings_10_Buildings_Fluid_Storage_BaseClasses_Examples_IndirectTankHeatExchanger",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,fileNamePrefix="Buildings_10_Buildings_Fluid_Storage_BaseClasses_Examples_IndirectTankHeatExchanger",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008814/0.0008812, allocations: 97.64 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005337/0.005337, allocations: 170.1 kB / 16.27 MB, free: 6.66 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.287/1.287, allocations: 223.3 MB / 240.3 MB, free: 5.336 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-maint.10.0.x/package.mo): time 2.438/2.438, allocations: 437.8 MB / 0.7121 GB, free: 6.941 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.0002896/0.0002896, allocations: 8 kB / 0.8729 GB, free: 3.195 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5458/0.5461, allocations: 153.8 MB / 1.023 GB, free: 15.84 MB / 0.7794 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger): time 0.02752/0.5736, allocations: 27.75 MB / 1.05 GB, free: 3.988 MB / 0.795 GB Notification: Performance of NFInst.instExpressions: time 0.01055/0.5842, allocations: 7.881 MB / 1.058 GB, free: 12.08 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001079/0.5853, allocations: 27.81 kB / 1.058 GB, free: 12.05 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.0009373/0.5863, allocations: 334.1 kB / 1.058 GB, free: 11.73 MB / 0.8106 GB Notification: Performance of NFTyping.typeBindings: time 0.002315/0.5886, allocations: 0.9253 MB / 1.059 GB, free: 10.8 MB / 0.8106 GB Notification: Performance of NFTyping.typeClassSections: time 0.002342/0.591, allocations: 0.9476 MB / 1.06 GB, free: 9.855 MB / 0.8106 GB Notification: Performance of NFFlatten.flatten: time 0.005721/0.5967, allocations: 6.088 MB / 1.066 GB, free: 3.754 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002265/0.599, allocations: 1.781 MB / 1.068 GB, free: 1.945 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002306/0.6013, allocations: 1.326 MB / 1.069 GB, free: 0.6133 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001798/0.6031, allocations: 1.295 MB / 1.07 GB, free: 15.31 MB / 0.8262 GB Notification: Performance of NFPackage.collectConstants: time 0.0001814/0.6033, allocations: 80 kB / 1.07 GB, free: 15.23 MB / 0.8262 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002235/0.6056, allocations: 1.138 MB / 1.072 GB, free: 14.09 MB / 0.8262 GB Notification: Performance of NFScalarize.scalarize: time 0.0003937/0.606, allocations: 378.3 kB / 1.072 GB, free: 13.72 MB / 0.8262 GB Notification: Performance of NFVerifyModel.verify: time 0.001195/0.6072, allocations: 0.985 MB / 1.073 GB, free: 12.73 MB / 0.8262 GB Notification: Performance of NFConvertDAE.convert: time 0.003737/0.6109, allocations: 3.47 MB / 1.076 GB, free: 9.246 MB / 0.8262 GB Notification: Performance of FrontEnd - DAE generated: time 4.528e-06/0.6109, allocations: 0 / 1.076 GB, free: 9.246 MB / 0.8262 GB Notification: Performance of FrontEnd: time 1.893e-06/0.611, allocations: 0 / 1.076 GB, free: 9.246 MB / 0.8262 GB Notification: Performance of Transformations before backend: time 5.227e-05/0.611, allocations: 0 / 1.076 GB, free: 9.246 MB / 0.8262 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 348 * Number of variables: 348 Notification: Performance of Generate backend data structure: time 0.004251/0.6153, allocations: 2.137 MB / 1.078 GB, free: 7.055 MB / 0.8262 GB Notification: Performance of prepare preOptimizeDAE: time 4.36e-05/0.6153, allocations: 8.031 kB / 1.078 GB, free: 7.047 MB / 0.8262 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002923/0.6156, allocations: 210.9 kB / 1.079 GB, free: 6.832 MB / 0.8262 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006924/0.6163, allocations: 234.4 kB / 1.079 GB, free: 6.602 MB / 0.8262 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002637/0.619, allocations: 1.773 MB / 1.08 GB, free: 4.773 MB / 0.8262 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.884e-05/0.6191, allocations: 110.7 kB / 1.081 GB, free: 4.664 MB / 0.8262 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002414/0.6193, allocations: 152 kB / 1.081 GB, free: 4.516 MB / 0.8262 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002937/0.6223, allocations: 1.997 MB / 1.083 GB, free: 2.453 MB / 0.8262 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.43e-05/0.6223, allocations: 4 kB / 1.083 GB, free: 2.449 MB / 0.8262 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001313/0.6224, allocations: 56 kB / 1.083 GB, free: 2.395 MB / 0.8262 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.625e-05/0.6225, allocations: 36 kB / 1.083 GB, free: 2.359 MB / 0.8262 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00261/0.6251, allocations: 1.802 MB / 1.085 GB, free: 0.5508 MB / 0.8262 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01064/0.6357, allocations: 7.625 MB / 1.092 GB, free: 8.621 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001793/0.6376, allocations: 1.444 MB / 1.093 GB, free: 7.156 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008676/0.6384, allocations: 0.6642 MB / 1.094 GB, free: 6.484 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006209/0.6447, allocations: 3.83 MB / 1.098 GB, free: 2.336 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.407e-05/0.6447, allocations: 43.56 kB / 1.098 GB, free: 2.285 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=88): time 3.026e-06/0.6447, allocations: 0 / 1.098 GB, free: 2.285 MB / 0.8419 GB Notification: Performance of matching and sorting (n=88): time 0.002357/0.6471, allocations: 1.519 MB / 1.099 GB, free: 0.7656 MB / 0.8419 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.227e-05/0.6471, allocations: 64.41 kB / 1.099 GB, free: 0.6875 MB / 0.8419 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002127/0.6493, allocations: 1.602 MB / 1.101 GB, free: 15.07 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.0001059/0.6494, allocations: 49.7 kB / 1.101 GB, free: 15.02 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006772/0.6501, allocations: 0.7613 MB / 1.102 GB, free: 14.25 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002727/0.6504, allocations: 315.5 kB / 1.102 GB, free: 13.94 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001744/0.6505, allocations: 133.6 kB / 1.102 GB, free: 13.8 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 0.0001484/0.6507, allocations: 361.9 kB / 1.103 GB, free: 13.44 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001017/0.6517, allocations: 0.6831 MB / 1.103 GB, free: 12.76 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001257/0.653, allocations: 1.02 MB / 1.104 GB, free: 11.61 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002095/0.6551, allocations: 1.632 MB / 1.106 GB, free: 9.855 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.304e-06/0.6551, allocations: 7.938 kB / 1.106 GB, free: 9.848 MB / 0.8575 GB Notification: Performance of matching and sorting (n=175) (initialization): time 0.003087/0.6582, allocations: 1.944 MB / 1.108 GB, free: 7.895 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002225/0.6584, allocations: 356.7 kB / 1.108 GB, free: 7.418 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.71e-05/0.6585, allocations: 16.06 kB / 1.108 GB, free: 7.402 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.408e-05/0.6585, allocations: 16 kB / 1.108 GB, free: 7.387 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001252/0.6597, allocations: 335.5 kB / 1.108 GB, free: 7.059 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.927e-05/0.6598, allocations: 23.92 kB / 1.108 GB, free: 7.035 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001283/0.6611, allocations: 214.1 kB / 1.109 GB, free: 6.824 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000118/0.6612, allocations: 67.91 kB / 1.109 GB, free: 6.758 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 7.554e-06/0.6612, allocations: 4 kB / 1.109 GB, free: 6.754 MB / 0.8575 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002586/0.6638, allocations: 1.799 MB / 1.11 GB, free: 4.953 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.028e-05/0.6638, allocations: 8 kB / 1.11 GB, free: 4.945 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.509e-05/0.6638, allocations: 16 kB / 1.11 GB, free: 4.93 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001172/0.665, allocations: 331.5 kB / 1.111 GB, free: 4.605 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.034e-05/0.6651, allocations: 23.92 kB / 1.111 GB, free: 4.582 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001119/0.6662, allocations: 187.1 kB / 1.111 GB, free: 4.398 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001/0.6663, allocations: 63.98 kB / 1.111 GB, free: 4.336 MB / 0.8575 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 40 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (175): * Single equations (assignments): 175 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.001096/0.6674, allocations: 0.7502 MB / 1.112 GB, free: 3.574 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000257/0.6677, allocations: 158.1 kB / 1.112 GB, free: 3.418 MB / 0.8575 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001996/0.6697, allocations: 1.279 MB / 1.113 GB, free: 2.125 MB / 0.8575 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.374e-05/0.6697, allocations: 12 kB / 1.113 GB, free: 2.113 MB / 0.8575 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.041e-06/0.6697, allocations: 0 / 1.113 GB, free: 2.113 MB / 0.8575 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001487/0.6712, allocations: 1.284 MB / 1.114 GB, free: 0.7422 MB / 0.8575 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003993/0.6752, allocations: 2.939 MB / 1.117 GB, free: 13.72 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.358e-06/0.6752, allocations: 0 / 1.117 GB, free: 13.72 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007774/0.676, allocations: 187.9 kB / 1.117 GB, free: 13.54 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.635e-06/0.676, allocations: 4 kB / 1.117 GB, free: 13.54 MB / 0.8731 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.613e-05/0.6761, allocations: 27.92 kB / 1.117 GB, free: 13.51 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.179e-06/0.6761, allocations: 4 kB / 1.117 GB, free: 13.5 MB / 0.8731 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.713e-06/0.6761, allocations: 0 / 1.117 GB, free: 13.5 MB / 0.8731 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002422/0.6785, allocations: 1.921 MB / 1.119 GB, free: 11.55 MB / 0.8731 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006038/0.6791, allocations: 422.8 kB / 1.12 GB, free: 11.12 MB / 0.8731 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001855/0.6793, allocations: 23.98 kB / 1.12 GB, free: 11.09 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008355/0.6802, allocations: 81.12 kB / 1.12 GB, free: 11.02 MB / 0.8731 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.38e-05/0.6803, allocations: 56.86 kB / 1.12 GB, free: 10.96 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.274e-05/0.6803, allocations: 31.98 kB / 1.12 GB, free: 10.93 MB / 0.8731 GB Notification: Performance of sorting global known variables: time 0.001509/0.6819, allocations: 1.21 MB / 1.121 GB, free: 9.723 MB / 0.8731 GB Notification: Performance of sort global known variables: time 1.7e-07/0.6819, allocations: 0 / 1.121 GB, free: 9.723 MB / 0.8731 GB Notification: Performance of remove unused functions: time 0.00209/0.684, allocations: 0.9084 MB / 1.122 GB, free: 8.812 MB / 0.8731 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 6 (indTanHex.vol[1].dynBal.U,indTanHex.vol[2].dynBal.U,indTanHex.vol[3].dynBal.U,indTanHex.cap[1].T,indTanHex.cap[2].T,indTanHex.cap[3].T) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (89): * Single equations (assignments): 87 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.003363/0.6873, allocations: 2.729 MB / 1.125 GB, free: 6.055 MB / 0.8731 GB Notification: Performance of simCode: created initialization part: time 0.003348/0.6907, allocations: 2.32 MB / 1.127 GB, free: 3.738 MB / 0.8731 GB Notification: Performance of simCode: created event and clocks part: time 2.916e-06/0.6907, allocations: 0 / 1.127 GB, free: 3.738 MB / 0.8731 GB Notification: Performance of simCode: created simulation system equations: time 0.000696/0.6914, allocations: 0.5248 MB / 1.127 GB, free: 3.211 MB / 0.8731 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004332/0.6957, allocations: 0.8737 MB / 1.128 GB, free: 2.355 MB / 0.8731 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02913/0.7249, allocations: 16.6 MB / 1.145 GB, free: 1.133 MB / 0.8887 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001255/0.7262, allocations: 1.682 MB / 1.146 GB, free: 15.41 MB / 0.9044 GB Notification: Performance of simCode: alias equations: time 0.002632/0.7288, allocations: 0.9166 MB / 1.147 GB, free: 14.51 MB / 0.9044 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009276/0.7298, allocations: 0.6281 MB / 1.148 GB, free: 13.88 MB / 0.9044 GB Notification: Performance of SimCode: time 7.32e-07/0.7298, allocations: 0 / 1.148 GB, free: 13.88 MB / 0.9044 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08694/0.8167, allocations: 47.04 MB / 1.194 GB, free: 15.45 MB / 0.9512 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002633/0.817, allocations: 269.5 kB / 1.194 GB, free: 15.09 MB / 0.9512 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.936/3.753, allocations: 0 / 1.194 GB, free: 15.09 MB / 0.9512 GB (rm -f Buildings_10_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; mkfifo Buildings_10_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe >> ../files/Buildings_10_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_10_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger_res.mat --tempDir=temp_Buildings_10_Buildings_Fluid_Storage_BaseClasses_Examples_IndirectTankHeatExchanger_fmu --startTime=0 --stopTime=15 --timeout=50 --tolerance=1e-06 Buildings_10_Buildings_Fluid_Storage_BaseClasses_Examples_IndirectTankHeatExchanger.fmu > Buildings_10_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Storage_BaseClasses_Examples_IndirectTankHeatExchanger.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches