Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.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 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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.Movers.BaseClasses.Validation.FlowMachineInterface,fileNamePrefix="Buildings_11_Buildings_Fluid_Movers_BaseClasses_Validation_FlowMachineInterface",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface,fileNamePrefix="Buildings_11_Buildings_Fluid_Movers_BaseClasses_Validation_FlowMachineInterface",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 0.004831/0.004831, allocations: 98.39 kB / 15.73 MB, free: 6.031 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00138/0.00138, allocations: 194.1 kB / 16.67 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.242/1.242, allocations: 222.9 MB / 240.4 MB, free: 15.08 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.368/2.368, allocations: 469.8 MB / 0.7425 GB, free: 3.32 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001733/0.001733, allocations: 72.09 kB / 1.065 GB, free: 14.04 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6551/0.6568, allocations: 159.1 MB / 1.22 GB, free: 2.023 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface): time 0.003233/0.6601, allocations: 2.315 MB / 1.222 GB, free: 15.69 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.005255/0.6654, allocations: 3.783 MB / 1.226 GB, free: 11.89 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001228/0.6655, allocations: 4 kB / 1.226 GB, free: 11.89 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.00219/0.6677, allocations: 1.045 MB / 1.227 GB, free: 10.84 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.0006703/0.6684, allocations: 422.4 kB / 1.228 GB, free: 10.43 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.0008738/0.6693, allocations: 0.5146 MB / 1.228 GB, free: 9.914 MB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.004181/0.6735, allocations: 3.155 MB / 1.231 GB, free: 6.758 MB / 0.9512 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001055/0.6736, allocations: 44.75 kB / 1.231 GB, free: 6.711 MB / 0.9512 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002655/0.6739, allocations: 219.3 kB / 1.231 GB, free: 6.496 MB / 0.9512 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002821/0.6742, allocations: 219.1 kB / 1.232 GB, free: 6.281 MB / 0.9512 GB Notification: Performance of NFPackage.collectConstants: time 4.647e-05/0.6742, allocations: 20 kB / 1.232 GB, free: 6.262 MB / 0.9512 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001021/0.6752, allocations: 0.7448 MB / 1.232 GB, free: 5.516 MB / 0.9512 GB Notification: Performance of NFScalarize.scalarize: time 0.0002019/0.6754, allocations: 219.3 kB / 1.233 GB, free: 5.301 MB / 0.9512 GB Notification: Performance of NFVerifyModel.verify: time 0.0002231/0.6757, allocations: 258.5 kB / 1.233 GB, free: 5.047 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.001151/0.6768, allocations: 1.066 MB / 1.234 GB, free: 3.977 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 2.705e-06/0.6769, allocations: 3.938 kB / 1.234 GB, free: 3.973 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.102e-06/0.6769, allocations: 0 / 1.234 GB, free: 3.973 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 6.352e-06/0.6769, allocations: 0 / 1.234 GB, free: 3.973 MB / 0.9512 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 21 * Number of variables: 21 Notification: Performance of Generate backend data structure: time 0.001361/0.6782, allocations: 0.948 MB / 1.235 GB, free: 2.973 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 3.28e-05/0.6783, allocations: 8.031 kB / 1.235 GB, free: 2.965 MB / 0.9512 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 4.499e-05/0.6783, allocations: 46.73 kB / 1.235 GB, free: 2.91 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001178/0.6795, allocations: 208.3 kB / 1.235 GB, free: 2.707 MB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005633/0.6852, allocations: 3.592 MB / 1.239 GB, free: 15.07 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.061e-05/0.6852, allocations: 16 kB / 1.239 GB, free: 15.05 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.37e-05/0.6852, allocations: 15.98 kB / 1.239 GB, free: 15.04 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005149/0.6857, allocations: 249.4 kB / 1.239 GB, free: 14.79 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.211e-05/0.6858, allocations: 0 / 1.239 GB, free: 14.79 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.89e-05/0.6858, allocations: 3.938 kB / 1.239 GB, free: 14.78 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.027e-06/0.6858, allocations: 8 kB / 1.239 GB, free: 14.77 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006433/0.6865, allocations: 235.8 kB / 1.239 GB, free: 14.54 MB / 0.9669 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001199/0.6877, allocations: 0.8357 MB / 1.24 GB, free: 13.66 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006839/0.6884, allocations: 310.6 kB / 1.24 GB, free: 13.34 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003151/0.6887, allocations: 120.8 kB / 1.24 GB, free: 13.22 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 2.478e-05/0.6887, allocations: 4 kB / 1.24 GB, free: 13.22 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.334e-05/0.6887, allocations: 30.56 kB / 1.24 GB, free: 13.18 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=10): time 1.142e-06/0.6888, allocations: 0 / 1.24 GB, free: 13.18 MB / 0.9669 GB Notification: Performance of matching and sorting (n=10): time 0.00114/0.6899, allocations: 445 kB / 1.241 GB, free: 12.74 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.61e-05/0.6899, allocations: 51.41 kB / 1.241 GB, free: 12.68 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008044/0.6908, allocations: 0.754 MB / 1.241 GB, free: 11.91 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 3.179e-05/0.6908, allocations: 33.7 kB / 1.242 GB, free: 11.87 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001835/0.691, allocations: 240.8 kB / 1.242 GB, free: 11.63 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 4.256e-05/0.691, allocations: 39.67 kB / 1.242 GB, free: 11.59 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002106/0.6912, allocations: 166 kB / 1.242 GB, free: 11.43 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001648/0.6914, allocations: 370.8 kB / 1.242 GB, free: 11.05 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000658/0.6921, allocations: 442.9 kB / 1.243 GB, free: 10.62 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007232/0.6928, allocations: 0.5281 MB / 1.243 GB, free: 10.06 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001243/0.6941, allocations: 0.8624 MB / 1.244 GB, free: 9.176 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.675e-06/0.6941, allocations: 0 / 1.244 GB, free: 9.176 MB / 0.9669 GB Notification: Performance of matching and sorting (n=85) (initialization): time 0.00157/0.6957, allocations: 1.076 MB / 1.245 GB, free: 8.094 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 1.21e-05/0.6957, allocations: 8.156 kB / 1.245 GB, free: 8.086 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.454e-06/0.6957, allocations: 8 kB / 1.245 GB, free: 8.078 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.374e-05/0.6957, allocations: 4 kB / 1.245 GB, free: 8.074 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004316/0.6961, allocations: 115.8 kB / 1.245 GB, free: 7.961 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.079e-05/0.6962, allocations: 4 kB / 1.245 GB, free: 7.957 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003595/0.6965, allocations: 87.41 kB / 1.245 GB, free: 7.871 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.361e-05/0.6966, allocations: 31.98 kB / 1.245 GB, free: 7.84 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000748/0.6973, allocations: 0.5364 MB / 1.246 GB, free: 7.297 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0006459/0.698, allocations: 468.4 kB / 1.246 GB, free: 6.809 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001082/0.6991, allocations: 0.7237 MB / 1.247 GB, free: 6.062 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.753e-06/0.6991, allocations: 0 / 1.247 GB, free: 6.062 MB / 0.9669 GB Notification: Performance of matching and sorting (n=85) (initialization_lambda0): time 0.001408/0.7005, allocations: 0.9223 MB / 1.248 GB, free: 5.133 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 7.565e-06/0.7005, allocations: 8 kB / 1.248 GB, free: 5.125 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.705e-06/0.7005, allocations: 0 / 1.248 GB, free: 5.125 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.528e-06/0.7006, allocations: 4.219 kB / 1.248 GB, free: 5.121 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003934/0.701, allocations: 107.9 kB / 1.248 GB, free: 5.016 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.394e-06/0.701, allocations: 7.938 kB / 1.248 GB, free: 5.008 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003616/0.7013, allocations: 59.81 kB / 1.248 GB, free: 4.949 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.189e-05/0.7014, allocations: 27.98 kB / 1.248 GB, free: 4.922 MB / 0.9669 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * 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 (52): * Single equations (assignments): 50 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 1 * 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 0.000132/0.7015, allocations: 200.6 kB / 1.248 GB, free: 4.719 MB / 0.9669 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.529e-05/0.7016, allocations: 55.58 kB / 1.248 GB, free: 4.664 MB / 0.9669 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008662/0.7025, allocations: 366.7 kB / 1.249 GB, free: 4.297 MB / 0.9669 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.475e-06/0.7025, allocations: 4 kB / 1.249 GB, free: 4.293 MB / 0.9669 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.407e-06/0.7025, allocations: 0 / 1.249 GB, free: 4.293 MB / 0.9669 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.116e-06/0.7025, allocations: 4 kB / 1.249 GB, free: 4.289 MB / 0.9669 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004325/0.7029, allocations: 409.3 kB / 1.249 GB, free: 3.84 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.022e-06/0.703, allocations: 0 / 1.249 GB, free: 3.84 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002314/0.7032, allocations: 43.89 kB / 1.249 GB, free: 3.797 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.713e-06/0.7032, allocations: 4 kB / 1.249 GB, free: 3.793 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.453e-05/0.7032, allocations: 0 / 1.249 GB, free: 3.793 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.226e-06/0.7032, allocations: 8 kB / 1.249 GB, free: 3.785 MB / 0.9669 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.71e-07/0.7032, allocations: 0 / 1.249 GB, free: 3.785 MB / 0.9669 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007664/0.704, allocations: 430.8 kB / 1.25 GB, free: 3.348 MB / 0.9669 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001548/0.7042, allocations: 160.6 kB / 1.25 GB, free: 3.172 MB / 0.9669 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.629e-05/0.7042, allocations: 3.938 kB / 1.25 GB, free: 3.168 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002641/0.7045, allocations: 27.97 kB / 1.25 GB, free: 3.141 MB / 0.9669 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.427e-05/0.7045, allocations: 4 kB / 1.25 GB, free: 3.137 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.046e-05/0.7046, allocations: 11.98 kB / 1.25 GB, free: 3.125 MB / 0.9669 GB Notification: Performance of sorting global known variables: time 0.0005649/0.7051, allocations: 0.5107 MB / 1.25 GB, free: 2.621 MB / 0.9669 GB Notification: Performance of sort global known variables: time 1.51e-07/0.7051, allocations: 0 / 1.25 GB, free: 2.621 MB / 0.9669 GB Notification: Performance of remove unused functions: time 0.0007676/0.7059, allocations: 311.6 kB / 1.251 GB, free: 2.316 MB / 0.9669 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 simulation (11): * Single equations (assignments): 11 * 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 Backend phase and start with SimCode phase: time 0.00163/0.7076, allocations: 1.231 MB / 1.252 GB, free: 1.055 MB / 0.9669 GB Notification: Performance of simCode: created initialization part: time 0.001879/0.7094, allocations: 1.147 MB / 1.253 GB, free: 15.9 MB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 2.013e-06/0.7095, allocations: 4.312 kB / 1.253 GB, free: 15.9 MB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 0.0003472/0.7098, allocations: 135.8 kB / 1.253 GB, free: 15.77 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007625/0.7106, allocations: 197.4 kB / 1.253 GB, free: 15.57 MB / 0.9825 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007659/0.7182, allocations: 6.075 MB / 1.259 GB, free: 9.375 MB / 0.9825 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004882/0.7188, allocations: 0.8974 MB / 1.26 GB, free: 8.449 MB / 0.9825 GB Notification: Performance of simCode: alias equations: time 0.0005291/0.7193, allocations: 196.3 kB / 1.26 GB, free: 8.258 MB / 0.9825 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002943/0.7196, allocations: 195.4 kB / 1.26 GB, free: 8.066 MB / 0.9825 GB Notification: Performance of SimCode: time 2.5e-07/0.7196, allocations: 0 / 1.26 GB, free: 8.066 MB / 0.9825 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.81/2.529, allocations: 17.57 MB / 1.278 GB, free: 6.797 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.51/15.04, allocations: 13.5 kB / 1.278 GB, free: 6.785 MB / 0.9981 GB (rm -f Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; mkfifo Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe >> ../files/Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface_res.mat --tempDir=temp_Buildings_11_Buildings_Fluid_Movers_BaseClasses_Validation_FlowMachineInterface_fmu --startTime=0 --stopTime=1 --timeout=400 --tolerance=1e-06 Buildings_11_Buildings_Fluid_Movers_BaseClasses_Validation_FlowMachineInterface.fmu > Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe 2>&1) diffSimulationResults("Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_Movers_BaseClasses_Validation_FlowMachineInterface.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches