Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.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 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/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: translateModel(Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|chi.sta_a1.T|chi.sta_b1.T|chi.sta_a2.T|chi.sta_b2.T|chi.TSet|chi.QEva_flow|chi.QCon_flow|chi.P|chi.dp1|chi.dp2|chi.COP_nominal|chi.COP",fileNamePrefix="Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity") translateModel(Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|chi.sta_a1.T|chi.sta_b1.T|chi.sta_a2.T|chi.sta_b2.T|chi.TSet|chi.QEva_flow|chi.QCon_flow|chi.P|chi.dp1|chi.dp2|chi.COP_nominal|chi.COP",fileNamePrefix="Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001495/0.001495, allocations: 109.3 kB / 16.41 MB, free: 6.445 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00151/0.00151, allocations: 183 kB / 17.34 MB, free: 5.742 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.377/1.377, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.633/2.633, allocations: 461.9 MB / 0.7354 GB, free: 11.08 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001637/0.001637, allocations: 76.09 kB / 1.055 GB, free: 7.641 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9022/0.9038, allocations: 157.4 MB / 1.208 GB, free: 13.6 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity): time 0.05979/0.9637, allocations: 61.22 MB / 1.268 GB, free: 172 kB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.01713/0.9808, allocations: 12 MB / 1.28 GB, free: 4.133 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002652/0.9835, allocations: 55.69 kB / 1.28 GB, free: 4.078 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.002139/0.9857, allocations: 0.6791 MB / 1.281 GB, free: 3.395 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.006317/0.992, allocations: 1.966 MB / 1.283 GB, free: 1.422 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003658/0.9957, allocations: 1.203 MB / 1.284 GB, free: 232 kB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.005822/1.002, allocations: 3.092 MB / 1.287 GB, free: 13.12 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001901/1.004, allocations: 1.099 MB / 1.288 GB, free: 12 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003526/1.007, allocations: 1.357 MB / 1.289 GB, free: 10.64 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001638/1.009, allocations: 0.8906 MB / 1.29 GB, free: 9.746 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.0002149/1.009, allocations: 115.9 kB / 1.29 GB, free: 9.633 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003108/1.012, allocations: 1.466 MB / 1.292 GB, free: 8.164 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.0002948/1.012, allocations: 286.9 kB / 1.292 GB, free: 7.883 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.000814/1.013, allocations: 0.6958 MB / 1.293 GB, free: 7.184 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.003833/1.017, allocations: 2.304 MB / 1.295 GB, free: 4.875 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 5.45e-06/1.017, allocations: 0 / 1.295 GB, free: 4.875 MB / 1.014 GB Notification: Performance of FrontEnd: time 1.983e-06/1.017, allocations: 0 / 1.295 GB, free: 4.875 MB / 1.014 GB Notification: Performance of Transformations before backend: time 2.05e-05/1.017, allocations: 4 kB / 1.295 GB, free: 4.871 MB / 1.014 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 192 * Number of variables: 192 Notification: Performance of Generate backend data structure: time 0.003337/1.02, allocations: 1.722 MB / 1.296 GB, free: 3.086 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 4.206e-05/1.02, allocations: 15.97 kB / 1.296 GB, free: 3.07 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001777/1.022, allocations: 339 kB / 1.297 GB, free: 2.738 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002313/1.025, allocations: 1.163 MB / 1.298 GB, free: 1.52 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.204e-05/1.025, allocations: 65.98 kB / 1.298 GB, free: 1.453 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001142/1.025, allocations: 84 kB / 1.298 GB, free: 1.371 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001918/1.027, allocations: 0.9703 MB / 1.299 GB, free: 352 kB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.852e-05/1.027, allocations: 0 / 1.299 GB, free: 352 kB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.947e-05/1.027, allocations: 35.94 kB / 1.299 GB, free: 316 kB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.084e-05/1.027, allocations: 23.98 kB / 1.299 GB, free: 292 kB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001969/1.029, allocations: 0.8001 MB / 1.3 GB, free: 15.48 MB / 1.029 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 0.006524/1.035, allocations: 5.137 MB / 1.305 GB, free: 9.977 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001516/1.037, allocations: 0.5503 MB / 1.305 GB, free: 9.414 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005834/1.038, allocations: 270.8 kB / 1.306 GB, free: 9.148 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001386/1.039, allocations: 1.373 MB / 1.307 GB, free: 7.48 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.292e-05/1.039, allocations: 34.56 kB / 1.307 GB, free: 7.438 MB / 1.029 GB Notification: Performance of pre-optimization done (n=43): time 2.425e-06/1.039, allocations: 0 / 1.307 GB, free: 7.438 MB / 1.029 GB Notification: Performance of matching and sorting (n=43): time 0.006863/1.046, allocations: 1.61 MB / 1.309 GB, free: 5.797 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.467e-05/1.046, allocations: 59.41 kB / 1.309 GB, free: 5.727 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001687/1.048, allocations: 1.076 MB / 1.31 GB, free: 4.637 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 8.553e-05/1.048, allocations: 37.7 kB / 1.31 GB, free: 4.594 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004386/1.048, allocations: 0.5272 MB / 1.31 GB, free: 4.062 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001454/1.048, allocations: 153.8 kB / 1.31 GB, free: 3.91 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002259/1.049, allocations: 134.2 kB / 1.311 GB, free: 3.77 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001154/1.049, allocations: 333.9 kB / 1.311 GB, free: 3.438 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007592/1.049, allocations: 275.3 kB / 1.311 GB, free: 3.168 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009456/1.05, allocations: 0.4969 MB / 1.312 GB, free: 2.574 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00141/1.052, allocations: 0.6482 MB / 1.312 GB, free: 1.859 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.853e-06/1.052, allocations: 4 kB / 1.312 GB, free: 1.855 MB / 1.029 GB Notification: Performance of matching and sorting (n=71) (initialization): time 0.002531/1.054, allocations: 0.9577 MB / 1.313 GB, free: 0.8867 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 2.235e-05/1.054, allocations: 8 kB / 1.313 GB, free: 0.8789 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.758e-05/1.054, allocations: 7.984 kB / 1.313 GB, free: 0.8711 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001289/1.056, allocations: 308.5 kB / 1.314 GB, free: 0.5664 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004844/1.056, allocations: 115.8 kB / 1.314 GB, free: 464 kB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001441/1.058, allocations: 0.9021 MB / 1.315 GB, free: 15.53 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001262/1.059, allocations: 147.2 kB / 1.315 GB, free: 15.38 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.083e-05/1.059, allocations: 31.98 kB / 1.315 GB, free: 15.35 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001121/1.06, allocations: 489.2 kB / 1.315 GB, free: 14.87 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009219/1.061, allocations: 497 kB / 1.316 GB, free: 14.29 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001385/1.062, allocations: 0.6547 MB / 1.316 GB, free: 13.57 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.506e-06/1.063, allocations: 0 / 1.316 GB, free: 13.57 MB / 1.045 GB Notification: Performance of matching and sorting (n=71) (initialization_lambda0): time 0.002484/1.065, allocations: 0.9538 MB / 1.317 GB, free: 12.61 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 2.011e-05/1.065, allocations: 11.98 kB / 1.317 GB, free: 12.59 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.125e-06/1.065, allocations: 4 kB / 1.317 GB, free: 12.59 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001105/1.066, allocations: 288.6 kB / 1.317 GB, free: 12.3 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004732/1.067, allocations: 123.8 kB / 1.318 GB, free: 12.18 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001392/1.068, allocations: 0.8957 MB / 1.318 GB, free: 11.26 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00128/1.069, allocations: 123.6 kB / 1.319 GB, free: 11.14 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.142e-05/1.069, allocations: 39.86 kB / 1.319 GB, free: 11.1 MB / 1.045 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 22 * 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 (57): * Single equations (assignments): 56 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0002964/1.07, allocations: 220.6 kB / 1.319 GB, free: 10.88 MB / 1.045 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002844/1.07, allocations: 110.6 kB / 1.319 GB, free: 10.77 MB / 1.045 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003132/1.073, allocations: 0.9958 MB / 1.32 GB, free: 9.758 MB / 1.045 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.809e-05/1.073, allocations: 7.984 kB / 1.32 GB, free: 9.75 MB / 1.045 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.386e-06/1.073, allocations: 0 / 1.32 GB, free: 9.75 MB / 1.045 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.965e-06/1.073, allocations: 4.094 kB / 1.32 GB, free: 9.746 MB / 1.045 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005238/1.078, allocations: 2.064 MB / 1.322 GB, free: 7.602 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.868e-06/1.078, allocations: 8.219 kB / 1.322 GB, free: 7.594 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002131/1.079, allocations: 55.97 kB / 1.322 GB, free: 7.539 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00103/1.08, allocations: 288.5 kB / 1.322 GB, free: 7.254 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.113e-05/1.08, allocations: 19.94 kB / 1.322 GB, free: 7.234 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001474/1.081, allocations: 0.9168 MB / 1.323 GB, free: 6.293 MB / 1.045 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.632e-06/1.081, allocations: 7.969 kB / 1.323 GB, free: 6.285 MB / 1.045 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003527/1.085, allocations: 1.09 MB / 1.324 GB, free: 5.145 MB / 1.045 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005552/1.085, allocations: 267.5 kB / 1.325 GB, free: 4.863 MB / 1.045 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002711/1.086, allocations: 12 kB / 1.325 GB, free: 4.852 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008984/1.087, allocations: 55.92 kB / 1.325 GB, free: 4.797 MB / 1.045 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001061/1.087, allocations: 43.83 kB / 1.325 GB, free: 4.754 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.422e-05/1.087, allocations: 27.98 kB / 1.325 GB, free: 4.727 MB / 1.045 GB Notification: Performance of sorting global known variables: time 0.001406/1.088, allocations: 0.759 MB / 1.325 GB, free: 3.961 MB / 1.045 GB Notification: Performance of sort global known variables: time 1.7e-07/1.088, allocations: 0 / 1.325 GB, free: 3.961 MB / 1.045 GB Notification: Performance of remove unused functions: time 0.001904/1.09, allocations: 0.577 MB / 1.326 GB, free: 3.383 MB / 1.045 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * 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 (33): * Single equations (assignments): 28 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,16)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001036/1.091, allocations: 416.5 kB / 1.326 GB, free: 2.98 MB / 1.045 GB Notification: Performance of simCode: created initialization part: time 0.003027/1.094, allocations: 1.026 MB / 1.327 GB, free: 1.957 MB / 1.045 GB Notification: Performance of simCode: created event and clocks part: time 5.871e-06/1.094, allocations: 0 / 1.327 GB, free: 1.957 MB / 1.045 GB Notification: Performance of simCode: created simulation system equations: time 0.0008212/1.095, allocations: 327.8 kB / 1.328 GB, free: 1.637 MB / 1.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002703/1.098, allocations: 0.5061 MB / 1.328 GB, free: 1.141 MB / 1.045 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004014/1.102, allocations: 1.834 MB / 1.33 GB, free: 15.24 MB / 1.061 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007572/1.103, allocations: 1.057 MB / 1.331 GB, free: 14.16 MB / 1.061 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000278/1.103, allocations: 79.42 kB / 1.331 GB, free: 14.08 MB / 1.061 GB Notification: Performance of SimCode: time 4.91e-07/1.103, allocations: 0 / 1.331 GB, free: 14.08 MB / 1.061 GB Notification: Performance of Templates: time 0.03613/1.139, allocations: 24.19 MB / 1.355 GB, free: 6.07 MB / 1.076 GB make -j1 -f Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.makefile (rm -f Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.pipe >> ../files/Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.sim & ./Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Chillers_Validation_Carnot_TEva_LimitedCapacity.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches