Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-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,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") translateModel(Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X,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") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001194/0.001194, allocations: 115.6 kB / 16.37 MB, free: 6.016 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001135/0.001135, allocations: 193.2 kB / 17.31 MB, free: 5.609 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.262/1.262, allocations: 222.9 MB / 241 MB, free: 15.01 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.043/2.043, allocations: 390.3 MB / 0.6655 GB, free: 0.6133 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.0012/0.0012, allocations: 60.08 kB / 0.814 GB, free: 32.63 MB / 0.6231 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2782/0.2794, allocations: 140.4 MB / 0.9511 GB, free: 8.094 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X): time 0.8231/1.103, allocations: 199 MB / 1.145 GB, free: 4.988 MB / 0.8575 GB Notification: Performance of NFInst.instExpressions: time 0.006476/1.109, allocations: 3.744 MB / 1.149 GB, free: 4.594 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001042/1.11, allocations: 27.94 kB / 1.149 GB, free: 4.582 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.001291/1.111, allocations: 434 kB / 1.15 GB, free: 4.449 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.004005/1.115, allocations: 1.245 MB / 1.151 GB, free: 4.156 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.00249/1.118, allocations: 0.7492 MB / 1.151 GB, free: 4.07 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.002519/1.121, allocations: 1.354 MB / 1.153 GB, free: 3.848 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007894/1.121, allocations: 497.2 kB / 1.153 GB, free: 3.789 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002908/1.124, allocations: 0.9732 MB / 1.154 GB, free: 3.516 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009009/1.125, allocations: 461.5 kB / 1.155 GB, free: 3.359 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 9.476e-05/1.125, allocations: 43.16 kB / 1.155 GB, free: 3.359 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002679/1.128, allocations: 1.19 MB / 1.156 GB, free: 3.043 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.0002437/1.128, allocations: 198.7 kB / 1.156 GB, free: 2.961 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.0003941/1.129, allocations: 323.8 kB / 1.156 GB, free: 2.77 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.002751/1.131, allocations: 1.195 MB / 1.158 GB, free: 2.398 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 5.47e-06/1.131, allocations: 0 / 1.158 GB, free: 2.398 MB / 0.8575 GB Notification: Performance of FrontEnd: time 3.015e-06/1.131, allocations: 0 / 1.158 GB, free: 2.398 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 2.105e-05/1.131, allocations: 0 / 1.158 GB, free: 2.398 MB / 0.8575 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 0.002643/1.134, allocations: 1.056 MB / 1.159 GB, free: 17.64 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 4.422e-05/1.134, allocations: 9.312 kB / 1.159 GB, free: 17.64 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001345/1.135, allocations: 217 kB / 1.159 GB, free: 17.59 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001001/1.136, allocations: 0.5664 MB / 1.159 GB, free: 17.22 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.595e-05/1.137, allocations: 29.66 kB / 1.159 GB, free: 17.21 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.183e-05/1.137, allocations: 37.91 kB / 1.159 GB, free: 17.2 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00106/1.138, allocations: 0.5412 MB / 1.16 GB, free: 16.96 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.471e-05/1.138, allocations: 0 / 1.16 GB, free: 16.96 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.437e-05/1.138, allocations: 18.72 kB / 1.16 GB, free: 16.95 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.161e-05/1.138, allocations: 17.3 kB / 1.16 GB, free: 16.95 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001098/1.139, allocations: 0.5059 MB / 1.16 GB, free: 16.78 MB / 0.8731 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 0.003959/1.143, allocations: 2.221 MB / 1.163 GB, free: 15.18 MB / 0.8731 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007896/1.144, allocations: 355.6 kB / 1.163 GB, free: 14.98 MB / 0.8731 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002419/1.144, allocations: 142.8 kB / 1.163 GB, free: 14.93 MB / 0.8731 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001456/1.145, allocations: 0.8368 MB / 1.164 GB, free: 14.07 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003373/1.146, allocations: 194.3 kB / 1.164 GB, free: 13.96 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=26): time 2.545e-06/1.146, allocations: 0 / 1.164 GB, free: 13.96 MB / 0.8731 GB Notification: Performance of matching and sorting (n=26): time 0.00113/1.147, allocations: 433 kB / 1.165 GB, free: 13.8 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.778e-05/1.147, allocations: 84.77 kB / 1.165 GB, free: 13.7 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009778/1.148, allocations: 0.6582 MB / 1.165 GB, free: 13.42 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 4.823e-05/1.148, allocations: 32.02 kB / 1.165 GB, free: 13.38 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.000262/1.148, allocations: 321.8 kB / 1.166 GB, free: 13.13 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 9.105e-05/1.148, allocations: 89.28 kB / 1.166 GB, free: 13.06 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001565/1.149, allocations: 77.86 kB / 1.166 GB, free: 13.02 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001759/1.149, allocations: 375.6 kB / 1.166 GB, free: 12.68 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003976/1.149, allocations: 139.1 kB / 1.166 GB, free: 12.63 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004661/1.15, allocations: 273.8 kB / 1.167 GB, free: 12.42 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006879/1.15, allocations: 382.2 kB / 1.167 GB, free: 12.16 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.361e-06/1.15, allocations: 1.188 kB / 1.167 GB, free: 12.16 MB / 0.8731 GB Notification: Performance of matching and sorting (n=43) (initialization): time 0.001157/1.151, allocations: 479.4 kB / 1.167 GB, free: 11.97 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 2.12e-05/1.152, allocations: 6.625 kB / 1.167 GB, free: 11.97 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.083e-05/1.152, allocations: 4.438 kB / 1.167 GB, free: 11.97 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.404e-05/1.152, allocations: 7.125 kB / 1.167 GB, free: 11.97 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004365/1.152, allocations: 90.2 kB / 1.167 GB, free: 11.96 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.168e-05/1.152, allocations: 6.344 kB / 1.167 GB, free: 11.96 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006916/1.153, allocations: 81.36 kB / 1.168 GB, free: 11.92 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.28e-05/1.153, allocations: 20.28 kB / 1.168 GB, free: 11.92 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005922/1.153, allocations: 302.9 kB / 1.168 GB, free: 11.76 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005042/1.154, allocations: 281.1 kB / 1.168 GB, free: 11.54 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006334/1.155, allocations: 383.7 kB / 1.168 GB, free: 11.29 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.296e-06/1.155, allocations: 1.281 kB / 1.168 GB, free: 11.29 MB / 0.8731 GB Notification: Performance of matching and sorting (n=43) (initialization_lambda0): time 0.001128/1.156, allocations: 473.1 kB / 1.169 GB, free: 11.1 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 1.786e-05/1.156, allocations: 12.55 kB / 1.169 GB, free: 11.09 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.893e-06/1.156, allocations: 5.062 kB / 1.169 GB, free: 11.09 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.157e-06/1.156, allocations: 5.938 kB / 1.169 GB, free: 11.09 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004182/1.156, allocations: 83.19 kB / 1.169 GB, free: 11.09 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.193e-05/1.156, allocations: 12.89 kB / 1.169 GB, free: 11.08 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006689/1.157, allocations: 64.03 kB / 1.169 GB, free: 11.06 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.674e-05/1.157, allocations: 16.92 kB / 1.169 GB, free: 11.06 MB / 0.8731 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 (43): * Single equations (assignments): 43 * 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 0.0001915/1.157, allocations: 205.2 kB / 1.169 GB, free: 10.86 MB / 0.8731 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.866e-05/1.157, allocations: 62.25 kB / 1.169 GB, free: 10.83 MB / 0.8731 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006572/1.158, allocations: 329.2 kB / 1.17 GB, free: 10.66 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.48e-06/1.158, allocations: 3.75 kB / 1.17 GB, free: 10.66 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.741e-06/1.158, allocations: 0 / 1.17 GB, free: 10.66 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.115e-06/1.158, allocations: 7.234 kB / 1.17 GB, free: 10.66 MB / 0.8731 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001778/1.16, allocations: 1.091 MB / 1.171 GB, free: 9.957 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.731e-06/1.16, allocations: 2.562 kB / 1.171 GB, free: 9.957 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001896/1.16, allocations: 36.44 kB / 1.171 GB, free: 9.957 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.692e-06/1.16, allocations: 8.25 kB / 1.171 GB, free: 9.953 MB / 0.8731 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.572e-05/1.16, allocations: 9.297 kB / 1.171 GB, free: 9.949 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.887e-06/1.16, allocations: 8.25 kB / 1.171 GB, free: 9.945 MB / 0.8731 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.609e-06/1.16, allocations: 4.328 kB / 1.171 GB, free: 9.945 MB / 0.8731 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006538/1.161, allocations: 479.8 kB / 1.171 GB, free: 9.609 MB / 0.8731 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000274/1.161, allocations: 159.9 kB / 1.171 GB, free: 9.469 MB / 0.8731 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.552e-05/1.161, allocations: 9 kB / 1.171 GB, free: 9.465 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003524/1.161, allocations: 24.22 kB / 1.171 GB, free: 9.457 MB / 0.8731 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.617e-05/1.162, allocations: 28.28 kB / 1.171 GB, free: 9.445 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.668e-05/1.162, allocations: 9.375 kB / 1.171 GB, free: 9.445 MB / 0.8731 GB Notification: Performance of sorting global known variables: time 0.0006818/1.162, allocations: 481.9 kB / 1.172 GB, free: 9.246 MB / 0.8731 GB Notification: Performance of sort global known variables: time 2.7e-07/1.162, allocations: 0 / 1.172 GB, free: 9.246 MB / 0.8731 GB Notification: Performance of remove unused functions: time 0.001017/1.163, allocations: 261.4 kB / 1.172 GB, free: 9.203 MB / 0.8731 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 0 () * 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 (25): * Single equations (assignments): 23 * 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 0.001201/1.164, allocations: 0.5178 MB / 1.173 GB, free: 8.984 MB / 0.8731 GB Notification: Performance of simCode: created initialization part: time 0.001215/1.166, allocations: 0.5026 MB / 1.173 GB, free: 8.832 MB / 0.8731 GB Notification: Performance of simCode: created event and clocks part: time 4.358e-06/1.166, allocations: 4.062 kB / 1.173 GB, free: 8.828 MB / 0.8731 GB Notification: Performance of simCode: created simulation system equations: time 0.0002193/1.166, allocations: 123.2 kB / 1.173 GB, free: 8.789 MB / 0.8731 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001308/1.167, allocations: 282.2 kB / 1.174 GB, free: 8.699 MB / 0.8731 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00187/1.169, allocations: 1.026 MB / 1.175 GB, free: 8.113 MB / 0.8731 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004631/1.17, allocations: 0.8945 MB / 1.175 GB, free: 7.395 MB / 0.8731 GB Notification: Performance of simCode: alias equations: time 0.0006154/1.17, allocations: 168.3 kB / 1.176 GB, free: 7.352 MB / 0.8731 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001314/1.17, allocations: 44.89 kB / 1.176 GB, free: 7.344 MB / 0.8731 GB Notification: Performance of SimCode: time 6.81e-07/1.17, allocations: 0 / 1.176 GB, free: 7.344 MB / 0.8731 GB Notification: Performance of Templates: time 0.01954/1.19, allocations: 10.39 MB / 1.186 GB, free: 3.297 MB / 0.8731 GB make -j1 -f Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.makefile (rm -f Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; mkfifo Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe >> ../files/Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.sim & ./Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X -abortSlowSimulation -alarm=480 -s cvode -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Fluid_Humidifiers_Validation_SteamHumidifier_X.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches