Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.FMI.Validation.HeaterFan.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.FMI.Validation.HeaterFan,fileNamePrefix="Buildings_10_Buildings_Fluid_FMI_Validation_HeaterFan",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.FMI.Validation.HeaterFan,fileNamePrefix="Buildings_10_Buildings_Fluid_FMI_Validation_HeaterFan",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 0.001016/0.001016, allocations: 97.33 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 0.007701/0.007701, allocations: 169.5 kB / 16.26 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.348/1.348, allocations: 223.3 MB / 240.3 MB, free: 5.344 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 2.521/2.521, allocations: 437.8 MB / 0.7121 GB, free: 6.973 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.0003297/0.00033, allocations: 12 kB / 0.8729 GB, free: 3.246 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5927/0.5931, allocations: 153.8 MB / 1.023 GB, free: 15.87 MB / 0.7794 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FMI.Validation.HeaterFan): time 0.7439/1.337, allocations: 306.6 MB / 1.323 GB, free: 1.512 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.0244/1.362, allocations: 29.22 MB / 1.351 GB, free: 0.8945 MB / 0.9825 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00206/1.364, allocations: 71.44 kB / 1.351 GB, free: 0.8945 MB / 0.9825 GB Notification: Performance of NFTyping.typeComponents: time 0.007093/1.371, allocations: 4.556 MB / 1.356 GB, free: 0.7852 MB / 0.9825 GB Notification: Performance of NFTyping.typeBindings: time 0.005502/1.376, allocations: 2.846 MB / 1.358 GB, free: 0.6445 MB / 0.9825 GB Notification: Performance of NFTyping.typeClassSections: time 0.004769/1.381, allocations: 2.374 MB / 1.361 GB, free: 15.97 MB / 0.9981 GB [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1080:9-1080:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.1666666666666667}[pressure.n] * 0.0‘ Notification: Performance of NFFlatten.flatten: time 0.009155/1.39, allocations: 8.974 MB / 1.369 GB, free: 14.22 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002063/1.392, allocations: 1.628 MB / 1.371 GB, free: 13.55 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003328/1.396, allocations: 1.949 MB / 1.373 GB, free: 12.98 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001913/1.398, allocations: 1.379 MB / 1.374 GB, free: 12.54 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0001477/1.398, allocations: 70.66 kB / 1.374 GB, free: 12.54 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005826/1.404, allocations: 3.836 MB / 1.378 GB, free: 10.96 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.0005571/1.404, allocations: 0.6256 MB / 1.379 GB, free: 10.59 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.001064/1.405, allocations: 1.172 MB / 1.38 GB, free: 9.836 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.005463/1.411, allocations: 5.319 MB / 1.385 GB, free: 6.52 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 2.715e-06/1.411, allocations: 0 / 1.385 GB, free: 6.52 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.312e-06/1.411, allocations: 0 / 1.385 GB, free: 6.52 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 2.539e-05/1.411, allocations: 0 / 1.385 GB, free: 6.52 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 332 * Number of variables: 332 Notification: Performance of Generate backend data structure: time 0.003591/1.414, allocations: 2.449 MB / 1.387 GB, free: 4.684 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 3.622e-05/1.414, allocations: 13.58 kB / 1.388 GB, free: 4.68 MB / 0.9981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002163/1.415, allocations: 195.5 kB / 1.388 GB, free: 4.523 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005484/1.42, allocations: 0.988 MB / 1.389 GB, free: 4.102 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008399/1.428, allocations: 5.632 MB / 1.394 GB, free: 408 kB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003625/1.429, allocations: 172 kB / 1.394 GB, free: 332 kB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001806/1.429, allocations: 131.6 kB / 1.394 GB, free: 292 kB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002921/1.432, allocations: 1.605 MB / 1.396 GB, free: 15.3 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.486e-05/1.432, allocations: 0 / 1.396 GB, free: 15.3 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001265/1.432, allocations: 55.16 kB / 1.396 GB, free: 15.26 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.429e-05/1.432, allocations: 55.12 kB / 1.396 GB, free: 15.25 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003072/1.435, allocations: 1.377 MB / 1.397 GB, free: 14.56 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 0.009059/1.444, allocations: 7.526 MB / 1.405 GB, free: 6.977 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001483/1.446, allocations: 0.6692 MB / 1.405 GB, free: 6.289 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000648/1.446, allocations: 270.6 kB / 1.406 GB, free: 6.023 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000256/1.447, allocations: 193.2 kB / 1.406 GB, free: 5.801 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.501e-05/1.447, allocations: 38.56 kB / 1.406 GB, free: 5.754 MB / 1.014 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0004423/1.447, allocations: 98.66 kB / 1.406 GB, free: 5.656 MB / 1.014 GB Notification: Performance of pre-optimization done (n=36): time 1.573e-06/1.447, allocations: 0 / 1.406 GB, free: 5.656 MB / 1.014 GB Notification: Performance of matching and sorting (n=36): time 0.002527/1.45, allocations: 1.087 MB / 1.407 GB, free: 4.523 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.95e-05/1.45, allocations: 58.03 kB / 1.407 GB, free: 4.457 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003015/1.453, allocations: 2.364 MB / 1.409 GB, free: 2.074 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 5.29e-05/1.453, allocations: 33.7 kB / 1.409 GB, free: 2.035 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007541/1.454, allocations: 0.9599 MB / 1.41 GB, free: 1.074 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 9.92e-05/1.454, allocations: 141.4 kB / 1.411 GB, free: 0.9375 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001463/1.454, allocations: 117.6 kB / 1.411 GB, free: 0.8164 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 0.0001132/1.454, allocations: 345.9 kB / 1.411 GB, free: 484 kB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001205/1.455, allocations: 0.541 MB / 1.412 GB, free: 15.93 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001364/1.457, allocations: 0.8081 MB / 1.412 GB, free: 15.01 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002015/1.459, allocations: 1.155 MB / 1.413 GB, free: 13.78 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.418e-06/1.459, allocations: 6.812 kB / 1.413 GB, free: 13.78 MB / 1.029 GB Notification: Performance of matching and sorting (n=140) (initialization): time 0.003092/1.462, allocations: 1.691 MB / 1.415 GB, free: 12.1 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001651/1.462, allocations: 313.1 kB / 1.415 GB, free: 11.69 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.127e-05/1.462, allocations: 8 kB / 1.415 GB, free: 11.68 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001304/1.462, allocations: 32.84 kB / 1.415 GB, free: 11.65 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001107/1.463, allocations: 245 kB / 1.416 GB, free: 11.42 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009843/1.464, allocations: 1.416 MB / 1.417 GB, free: 9.887 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001694/1.466, allocations: 220.6 kB / 1.417 GB, free: 9.672 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.81e-05/1.466, allocations: 43.98 kB / 1.417 GB, free: 9.629 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 7.494e-06/1.466, allocations: 4.625 kB / 1.417 GB, free: 9.625 MB / 1.029 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002736/1.469, allocations: 1.441 MB / 1.419 GB, free: 8.207 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.311e-05/1.469, allocations: 11.98 kB / 1.419 GB, free: 8.195 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.907e-05/1.469, allocations: 32.86 kB / 1.419 GB, free: 8.16 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001039/1.47, allocations: 239.7 kB / 1.419 GB, free: 7.938 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009031/1.471, allocations: 1.404 MB / 1.42 GB, free: 6.41 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001348/1.472, allocations: 195.3 kB / 1.421 GB, free: 6.223 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.13e-05/1.472, allocations: 39.98 kB / 1.421 GB, free: 6.184 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 32 * 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 (105): * Single equations (assignments): 102 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 1 * 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): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000754/1.473, allocations: 0.6525 MB / 1.421 GB, free: 5.535 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002191/1.473, allocations: 201.4 kB / 1.421 GB, free: 5.336 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001691/1.475, allocations: 0.789 MB / 1.422 GB, free: 4.504 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.718e-06/1.475, allocations: 8 kB / 1.422 GB, free: 4.496 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.74e-06/1.475, allocations: 7.984 kB / 1.422 GB, free: 4.488 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.168e-06/1.475, allocations: 0 / 1.422 GB, free: 4.488 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 postOpt removeSimpleEquations (simulation): time 0.003332/1.478, allocations: 2.213 MB / 1.424 GB, free: 2.195 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.859e-06/1.478, allocations: 4 kB / 1.424 GB, free: 2.191 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005794/1.479, allocations: 90.44 kB / 1.424 GB, free: 2.105 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.747e-05/1.479, allocations: 28.84 kB / 1.424 GB, free: 2.074 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.737e-05/1.479, allocations: 19.98 kB / 1.425 GB, free: 2.055 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000876/1.48, allocations: 1.394 MB / 1.426 GB, free: 0.5391 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.988e-06/1.48, allocations: 5.812 kB / 1.426 GB, free: 0.5352 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001507/1.481, allocations: 0.9047 MB / 1.427 GB, free: 15.57 MB / 1.045 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000448/1.482, allocations: 361.3 kB / 1.427 GB, free: 15.2 MB / 1.045 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001981/1.482, allocations: 11.94 kB / 1.427 GB, free: 15.19 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001127/1.483, allocations: 115.8 kB / 1.427 GB, free: 15.08 MB / 1.045 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.67e-05/1.483, allocations: 19.97 kB / 1.427 GB, free: 15.06 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.266e-05/1.483, allocations: 19.98 kB / 1.427 GB, free: 15.04 MB / 1.045 GB Notification: Performance of sorting global known variables: time 0.002322/1.486, allocations: 1.642 MB / 1.429 GB, free: 13.39 MB / 1.045 GB Notification: Performance of sort global known variables: time 2.1e-07/1.486, allocations: 4 kB / 1.429 GB, free: 13.38 MB / 1.045 GB Notification: Performance of remove unused functions: time 0.002091/1.488, allocations: 0.9008 MB / 1.43 GB, free: 12.48 MB / 1.045 GB Notification: Model statistics after passing the back-end for simulation: * 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 simulation (34): * Single equations (assignments): 33 * 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): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002492/1.49, allocations: 1.809 MB / 1.432 GB, free: 10.63 MB / 1.045 GB Notification: Performance of simCode: created initialization part: time 0.003611/1.494, allocations: 1.883 MB / 1.433 GB, free: 8.777 MB / 1.045 GB Notification: Performance of simCode: created event and clocks part: time 2.845e-06/1.494, allocations: 4.062 kB / 1.433 GB, free: 8.773 MB / 1.045 GB Notification: Performance of simCode: created simulation system equations: time 0.0006897/1.495, allocations: 360.9 kB / 1.434 GB, free: 8.418 MB / 1.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005173/1.5, allocations: 1.153 MB / 1.435 GB, free: 7.285 MB / 1.045 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03692/1.537, allocations: 17.06 MB / 1.451 GB, free: 5.098 MB / 1.061 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001174/1.538, allocations: 1.526 MB / 1.453 GB, free: 3.539 MB / 1.061 GB Notification: Performance of simCode: alias equations: time 0.002121/1.54, allocations: 489.7 kB / 1.453 GB, free: 3.059 MB / 1.061 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00102/1.541, allocations: 0.8106 MB / 1.454 GB, free: 2.25 MB / 1.061 GB Notification: Performance of SimCode: time 2.685e-06/1.541, allocations: 0 / 1.454 GB, free: 2.25 MB / 1.061 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.765/3.306, allocations: 56.54 MB / 1.509 GB, free: 10.41 MB / 1.123 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002848/3.307, allocations: 204.2 kB / 1.51 GB, free: 10.16 MB / 1.123 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.916/7.223, allocations: 0 / 1.51 GB, free: 10.16 MB / 1.123 GB (rm -f Buildings_10_Buildings.Fluid.FMI.Validation.HeaterFan.pipe ; mkfifo Buildings_10_Buildings.Fluid.FMI.Validation.HeaterFan.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.FMI.Validation.HeaterFan.pipe >> ../files/Buildings_10_Buildings.Fluid.FMI.Validation.HeaterFan.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_10_Buildings.Fluid.FMI.Validation.HeaterFan_res.mat --tempDir=temp_Buildings_10_Buildings_Fluid_FMI_Validation_HeaterFan_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_10_Buildings_Fluid_FMI_Validation_HeaterFan.fmu > Buildings_10_Buildings.Fluid.FMI.Validation.HeaterFan.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.FMI.Validation.HeaterFan_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_FMI_Validation_HeaterFan.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.FMI.Validation.HeaterFan.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches