Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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: translateModel(Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|XSet.y.1.|senHum.X|hum.sta_a.T|hum.sta_b.T|hum.mWat_flow",fileNamePrefix="Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic") translateModel(Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|XSet.y.1.|senHum.X|hum.sta_a.T|hum.sta_b.T|hum.mWat_flow",fileNamePrefix="Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.005743/0.005743, allocations: 97.62 kB / 15.73 MB, free: 6.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001213/0.001213, allocations: 201.3 kB / 16.68 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.433/1.433, allocations: 222.9 MB / 240.4 MB, free: 4.34 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.43/2.43, allocations: 390.2 MB / 0.6648 GB, free: 212 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001281/0.001281, allocations: 62.81 kB / 0.9508 GB, free: 5.566 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3102/0.3115, allocations: 140.4 MB / 1.088 GB, free: 1.512 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic): time 0.9724/1.284, allocations: 199 MB / 1.282 GB, free: 3.457 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.008237/1.292, allocations: 3.749 MB / 1.286 GB, free: 3.379 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001165/1.293, allocations: 30.17 kB / 1.286 GB, free: 3.379 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.001404/1.295, allocations: 446.7 kB / 1.286 GB, free: 3.367 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.004184/1.299, allocations: 1.302 MB / 1.288 GB, free: 3.316 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.002729/1.302, allocations: 0.7536 MB / 1.288 GB, free: 3.297 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.002485/1.304, allocations: 1.367 MB / 1.29 GB, free: 3.293 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008435/1.305, allocations: 498.9 kB / 1.29 GB, free: 3.266 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003374/1.309, allocations: 1.005 MB / 1.291 GB, free: 3.254 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008343/1.309, allocations: 463.1 kB / 1.292 GB, free: 3.25 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 8.917e-05/1.31, allocations: 45.56 kB / 1.292 GB, free: 3.25 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003028/1.313, allocations: 1.201 MB / 1.293 GB, free: 3.23 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.000309/1.313, allocations: 202.2 kB / 1.293 GB, free: 3.23 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.0004675/1.313, allocations: 332 kB / 1.293 GB, free: 3.23 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.002873/1.316, allocations: 1.207 MB / 1.294 GB, free: 3.148 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 5.951e-06/1.316, allocations: 0.8438 kB / 1.294 GB, free: 3.148 MB / 1.014 GB Notification: Performance of FrontEnd: time 1.964e-06/1.316, allocations: 0 / 1.294 GB, free: 3.148 MB / 1.014 GB Notification: Performance of Transformations before backend: time 1.111e-05/1.316, allocations: 1.719 kB / 1.294 GB, free: 3.148 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: 98 * Number of variables: 98 Notification: Performance of Generate backend data structure: time 0.002291/1.319, allocations: 1.083 MB / 1.296 GB, free: 2.469 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 4.46e-05/1.319, allocations: 10.98 kB / 1.296 GB, free: 2.469 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001379/1.32, allocations: 223.1 kB / 1.296 GB, free: 2.426 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009755/1.321, allocations: 0.5652 MB / 1.296 GB, free: 2.141 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.999e-05/1.321, allocations: 32.34 kB / 1.296 GB, free: 2.137 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.123e-05/1.321, allocations: 38.78 kB / 1.296 GB, free: 2.137 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001166/1.322, allocations: 0.5517 MB / 1.297 GB, free: 2.047 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.577e-05/1.322, allocations: 2.625 kB / 1.297 GB, free: 2.047 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.472e-05/1.322, allocations: 19.33 kB / 1.297 GB, free: 2.047 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.417e-05/1.322, allocations: 17.55 kB / 1.297 GB, free: 2.047 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001218/1.324, allocations: 0.4967 MB / 1.297 GB, free: 2.043 MB / 1.014 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 0.003231/1.327, allocations: 2.222 MB / 1.3 GB, free: 0.8242 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00081/1.328, allocations: 361 kB / 1.3 GB, free: 16.7 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002547/1.328, allocations: 152 kB / 1.3 GB, free: 16.69 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001502/1.33, allocations: 0.8393 MB / 1.301 GB, free: 15.85 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003789/1.33, allocations: 198.1 kB / 1.301 GB, free: 15.79 MB / 1.029 GB Notification: Performance of pre-optimization done (n=28): time 2.404e-06/1.33, allocations: 0 / 1.301 GB, free: 15.79 MB / 1.029 GB Notification: Performance of matching and sorting (n=28): time 0.001142/1.331, allocations: 460.1 kB / 1.302 GB, free: 15.72 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.24e-05/1.331, allocations: 84.77 kB / 1.302 GB, free: 15.62 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009806/1.332, allocations: 0.6567 MB / 1.302 GB, free: 15.48 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 3.827e-05/1.332, allocations: 31.61 kB / 1.302 GB, free: 15.45 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002512/1.332, allocations: 325.6 kB / 1.303 GB, free: 15.31 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 7.673e-05/1.333, allocations: 98.2 kB / 1.303 GB, free: 15.25 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001628/1.333, allocations: 88.03 kB / 1.303 GB, free: 15.22 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001836/1.333, allocations: 374.1 kB / 1.303 GB, free: 14.91 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004054/1.333, allocations: 150.8 kB / 1.303 GB, free: 14.9 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004904/1.334, allocations: 295 kB / 1.304 GB, free: 14.74 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006894/1.334, allocations: 400.9 kB / 1.304 GB, free: 14.6 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.208e-06/1.335, allocations: 2.031 kB / 1.304 GB, free: 14.6 MB / 1.029 GB Notification: Performance of matching and sorting (n=47) (initialization): time 0.001103/1.336, allocations: 0.4938 MB / 1.304 GB, free: 14.53 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 2.142e-05/1.336, allocations: 7.734 kB / 1.304 GB, free: 14.53 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.082e-05/1.336, allocations: 7.906 kB / 1.304 GB, free: 14.52 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.196e-05/1.336, allocations: 11.16 kB / 1.304 GB, free: 14.52 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004635/1.336, allocations: 94.59 kB / 1.305 GB, free: 14.52 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.938e-05/1.336, allocations: 10.77 kB / 1.305 GB, free: 14.52 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007371/1.337, allocations: 78.45 kB / 1.305 GB, free: 14.5 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.084e-05/1.337, allocations: 22.53 kB / 1.305 GB, free: 14.5 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006075/1.338, allocations: 305.3 kB / 1.305 GB, free: 14.41 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005612/1.338, allocations: 300 kB / 1.305 GB, free: 14.24 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007471/1.339, allocations: 397.7 kB / 1.306 GB, free: 14.1 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.047e-06/1.339, allocations: 2.156 kB / 1.306 GB, free: 14.1 MB / 1.029 GB Notification: Performance of matching and sorting (n=47) (initialization_lambda0): time 0.001187/1.34, allocations: 0.502 MB / 1.306 GB, free: 14.02 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.893e-05/1.34, allocations: 11.2 kB / 1.306 GB, free: 14.02 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.851e-06/1.34, allocations: 5.062 kB / 1.306 GB, free: 14.02 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.967e-06/1.34, allocations: 7.25 kB / 1.306 GB, free: 14.02 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004445/1.341, allocations: 90.84 kB / 1.306 GB, free: 14.02 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.588e-06/1.341, allocations: 6.562 kB / 1.306 GB, free: 14.02 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000661/1.341, allocations: 71.97 kB / 1.306 GB, free: 14 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.62e-05/1.341, allocations: 19.05 kB / 1.306 GB, free: 14 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * Number of states: 0 () * Number of discrete variables: 5 ($PRE.XSet.nextTimeEvent,$whenCondition1,XSet.nextTimeEventScaled,$PRE.XSet.nextTimeEventScaled,XSet.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (47): * Single equations (assignments): 47 * 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 0.000248/1.342, allocations: 211.5 kB / 1.307 GB, free: 13.82 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001242/1.342, allocations: 63.91 kB / 1.307 GB, free: 13.79 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007349/1.343, allocations: 344.3 kB / 1.307 GB, free: 13.73 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.681e-06/1.343, allocations: 2.875 kB / 1.307 GB, free: 13.73 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.193e-06/1.343, allocations: 2.781 kB / 1.307 GB, free: 13.73 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.613e-06/1.343, allocations: 2.062 kB / 1.307 GB, free: 13.73 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001678/1.344, allocations: 1.122 MB / 1.308 GB, free: 13.26 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.881e-06/1.344, allocations: 2.469 kB / 1.308 GB, free: 13.26 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002335/1.345, allocations: 41.41 kB / 1.308 GB, free: 13.26 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.834e-06/1.345, allocations: 5.156 kB / 1.308 GB, free: 13.26 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.96e-05/1.345, allocations: 9.203 kB / 1.308 GB, free: 13.26 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.608e-05/1.345, allocations: 8.969 kB / 1.308 GB, free: 13.26 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.286e-06/1.345, allocations: 5.594 kB / 1.308 GB, free: 13.26 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009787/1.346, allocations: 0.6336 MB / 1.309 GB, free: 13 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002221/1.346, allocations: 162 kB / 1.309 GB, free: 12.87 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.897e-05/1.346, allocations: 12.56 kB / 1.309 GB, free: 12.87 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003428/1.346, allocations: 21.2 kB / 1.309 GB, free: 12.87 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.549e-05/1.346, allocations: 25.53 kB / 1.309 GB, free: 12.87 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.861e-05/1.346, allocations: 16.03 kB / 1.309 GB, free: 12.87 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.0007008/1.347, allocations: 476 kB / 1.309 GB, free: 12.77 MB / 1.029 GB Notification: Performance of sort global known variables: time 1.223e-06/1.347, allocations: 0 / 1.309 GB, free: 12.77 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.001224/1.348, allocations: 273.8 kB / 1.31 GB, free: 12.74 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 2 (hum.outCon.T,hum.outCon.Xi) * Number of discrete variables: 3 ($whenCondition1,XSet.nextTimeEvent,XSet.nextTimeEventScaled) * Number of discrete states: 2 (XSet.nextTimeEvent,XSet.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (27): * Single equations (assignments): 25 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.001497/1.35, allocations: 0.5064 MB / 1.31 GB, free: 12.55 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.00139/1.351, allocations: 0.5344 MB / 1.311 GB, free: 12.54 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 5.029e-06/1.351, allocations: 0.8438 kB / 1.311 GB, free: 12.54 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0002822/1.352, allocations: 141.3 kB / 1.311 GB, free: 12.54 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001469/1.353, allocations: 285.7 kB / 1.311 GB, free: 12.49 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002455/1.356, allocations: 1.165 MB / 1.312 GB, free: 11.95 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005987/1.356, allocations: 0.8998 MB / 1.313 GB, free: 11.23 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 0.000783/1.357, allocations: 173 kB / 1.313 GB, free: 11.19 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001598/1.357, allocations: 49.33 kB / 1.313 GB, free: 11.18 MB / 1.029 GB Notification: Performance of SimCode: time 8.12e-07/1.357, allocations: 5.062 kB / 1.313 GB, free: 11.18 MB / 1.029 GB Notification: Performance of Templates: time 0.02466/1.382, allocations: 10.71 MB / 1.324 GB, free: 10.45 MB / 1.029 GB make -j1 -f Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.makefile (rm -f Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.pipe ; mkfifo Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.pipe >> ../files/Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.sim & ./Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Fluid_Humidifiers_Validation_SteamHumidifier_X_dynamic.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches