Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve.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.Movers.Validation.PressureCurve,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|mov.dpMachine",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve") translateModel(Buildings.Fluid.Movers.Validation.PressureCurve,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|mov.dpMachine",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001211/0.001211, allocations: 111.3 kB / 15.23 MB, free: 0.6562 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001378/0.001378, allocations: 192.1 kB / 16.14 MB, free: 6.656 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.409/1.409, allocations: 222.9 MB / 239.8 MB, free: 4.562 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.785/2.785, allocations: 461.8 MB / 0.7342 GB, free: 15.04 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001161/0.001161, allocations: 66.61 kB / 0.8984 GB, free: 37.35 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3482/0.3494, allocations: 157.4 MB / 1.052 GB, free: 8.891 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.PressureCurve): time 0.2046/0.554, allocations: 191.4 MB / 1.239 GB, free: 8.832 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.7294/1.283, allocations: 14.28 MB / 1.253 GB, free: 2.52 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002293/1.286, allocations: 42.06 kB / 1.253 GB, free: 2.52 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.01095/1.297, allocations: 5.854 MB / 1.259 GB, free: 2.441 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.006391/1.303, allocations: 2.15 MB / 1.261 GB, free: 2.352 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003372/1.307, allocations: 1.1 MB / 1.262 GB, free: 2.324 MB / 0.9981 GB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1088:9-1088:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.945419103313839, 2.83300844704353, 4.71734892787522, 5.585354163943464}[pressure.n] * 0.0‘ Notification: Performance of NFFlatten.flatten: time 0.01898/1.326, allocations: 9.717 MB / 1.271 GB, free: 2.227 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001923/1.327, allocations: 0.8125 MB / 1.272 GB, free: 2.16 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003398/1.331, allocations: 1.171 MB / 1.273 GB, free: 2.145 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002747/1.334, allocations: 0.9951 MB / 1.274 GB, free: 2.141 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0002274/1.334, allocations: 64.44 kB / 1.274 GB, free: 2.141 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007002/1.341, allocations: 2.571 MB / 1.277 GB, free: 2.117 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.001116/1.342, allocations: 0.5848 MB / 1.277 GB, free: 2.117 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.001614/1.344, allocations: 0.774 MB / 1.278 GB, free: 2.117 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.008914/1.353, allocations: 3.264 MB / 1.281 GB, free: 1.934 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 1.051e-05/1.353, allocations: 3.844 kB / 1.281 GB, free: 1.934 MB / 0.9981 GB Notification: Performance of FrontEnd: time 3.426e-06/1.353, allocations: 1.094 kB / 1.281 GB, free: 1.934 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 6.028e-05/1.353, allocations: 1.531 kB / 1.281 GB, free: 1.934 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: 148 * Number of variables: 148 Notification: Performance of Generate backend data structure: time 0.006528/1.359, allocations: 2.091 MB / 1.283 GB, free: 16.76 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 6.068e-05/1.359, allocations: 9.312 kB / 1.283 GB, free: 16.76 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004027/1.363, allocations: 0.5883 MB / 1.284 GB, free: 16.65 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004782/1.368, allocations: 2.045 MB / 1.286 GB, free: 16.19 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.746e-05/1.368, allocations: 57.75 kB / 1.286 GB, free: 16.18 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000147/1.368, allocations: 68.81 kB / 1.286 GB, free: 16.18 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001873/1.37, allocations: 0.9578 MB / 1.287 GB, free: 16.07 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.811e-05/1.37, allocations: 0 / 1.287 GB, free: 16.07 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.065e-05/1.37, allocations: 24.84 kB / 1.287 GB, free: 16.07 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.242e-05/1.37, allocations: 24.81 kB / 1.287 GB, free: 16.07 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001811/1.372, allocations: 0.7731 MB / 1.288 GB, free: 16.05 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 0.007027/1.379, allocations: 4.195 MB / 1.292 GB, free: 14.18 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001978/1.381, allocations: 0.6515 MB / 1.293 GB, free: 14.14 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006371/1.382, allocations: 308.5 kB / 1.293 GB, free: 14.13 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000306/1.382, allocations: 192.4 kB / 1.293 GB, free: 13.94 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.304e-05/1.382, allocations: 42.58 kB / 1.293 GB, free: 13.9 MB / 1.014 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0007461/1.383, allocations: 75.88 kB / 1.293 GB, free: 13.87 MB / 1.014 GB Notification: Performance of pre-optimization done (n=33): time 4.409e-06/1.383, allocations: 1.266 kB / 1.293 GB, free: 13.87 MB / 1.014 GB Notification: Performance of matching and sorting (n=33): time 0.003219/1.386, allocations: 1.155 MB / 1.294 GB, free: 13.63 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.967e-05/1.386, allocations: 57.03 kB / 1.294 GB, free: 13.57 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002303/1.389, allocations: 1.647 MB / 1.296 GB, free: 13.38 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 7.742e-05/1.389, allocations: 40.62 kB / 1.296 GB, free: 13.35 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005364/1.389, allocations: 0.6615 MB / 1.297 GB, free: 13.15 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001309/1.389, allocations: 117.3 kB / 1.297 GB, free: 13.08 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003612/1.39, allocations: 242.7 kB / 1.297 GB, free: 13.05 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 0.0001522/1.39, allocations: 348.5 kB / 1.297 GB, free: 12.75 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0011/1.391, allocations: 0.7253 MB / 1.298 GB, free: 12.73 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001435/1.393, allocations: 0.9702 MB / 1.299 GB, free: 12.47 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002336/1.395, allocations: 1.584 MB / 1.3 GB, free: 12.24 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.921e-06/1.395, allocations: 0 / 1.3 GB, free: 12.24 MB / 1.014 GB Notification: Performance of matching and sorting (n=128) (initialization): time 0.003121/1.398, allocations: 1.97 MB / 1.302 GB, free: 12.1 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 2.773e-05/1.398, allocations: 10.47 kB / 1.302 GB, free: 12.1 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.338e-05/1.398, allocations: 9 kB / 1.302 GB, free: 12.1 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005144/1.399, allocations: 209.4 kB / 1.303 GB, free: 12.09 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008026/1.399, allocations: 191.1 kB / 1.303 GB, free: 12.09 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006563/1.4, allocations: 0.7041 MB / 1.304 GB, free: 11.57 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001442/1.402, allocations: 97.14 kB / 1.304 GB, free: 11.55 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.724e-05/1.402, allocations: 51.83 kB / 1.304 GB, free: 11.55 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001726/1.403, allocations: 0.9984 MB / 1.305 GB, free: 11.46 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001197/1.405, allocations: 0.8654 MB / 1.305 GB, free: 11.2 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002027/1.407, allocations: 1.372 MB / 1.307 GB, free: 10.96 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.16e-06/1.407, allocations: 2.094 kB / 1.307 GB, free: 10.96 MB / 1.014 GB Notification: Performance of matching and sorting (n=128) (initialization_lambda0): time 0.003433/1.41, allocations: 1.781 MB / 1.309 GB, free: 10.81 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 1.79e-05/1.41, allocations: 6.156 kB / 1.309 GB, free: 10.81 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.345e-05/1.41, allocations: 10.55 kB / 1.309 GB, free: 10.81 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007493/1.411, allocations: 249.4 kB / 1.309 GB, free: 10.8 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007837/1.412, allocations: 183.5 kB / 1.309 GB, free: 10.8 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007885/1.413, allocations: 0.8692 MB / 1.31 GB, free: 10.27 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001364/1.414, allocations: 84.62 kB / 1.31 GB, free: 10.27 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.792e-05/1.414, allocations: 47.27 kB / 1.31 GB, free: 10.27 MB / 1.014 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 25 * 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 (89): * Single equations (assignments): 86 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0003423/1.414, allocations: 233.3 kB / 1.31 GB, free: 10.08 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002006/1.415, allocations: 139.4 kB / 1.31 GB, free: 10 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00214/1.417, allocations: 0.814 MB / 1.311 GB, free: 9.918 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.772e-06/1.417, allocations: 3.188 kB / 1.311 GB, free: 9.918 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.811e-06/1.417, allocations: 0 / 1.311 GB, free: 9.918 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.118e-05/1.417, allocations: 11.88 kB / 1.311 GB, free: 9.914 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003653/1.42, allocations: 1.927 MB / 1.313 GB, free: 9.496 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.02e-06/1.42, allocations: 3.281 kB / 1.313 GB, free: 9.496 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005088/1.421, allocations: 89.92 kB / 1.313 GB, free: 9.492 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002258/1.421, allocations: 88.05 kB / 1.313 GB, free: 9.484 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.285e-05/1.421, allocations: 15.28 kB / 1.313 GB, free: 9.48 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004909/1.422, allocations: 0.6875 MB / 1.314 GB, free: 8.953 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.948e-06/1.422, allocations: 3.5 kB / 1.314 GB, free: 8.953 MB / 1.014 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002377/1.424, allocations: 1.28 MB / 1.315 GB, free: 8.637 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000587/1.425, allocations: 274.8 kB / 1.315 GB, free: 8.465 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001739/1.425, allocations: 12.38 kB / 1.315 GB, free: 8.465 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007695/1.426, allocations: 57.91 kB / 1.315 GB, free: 8.461 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.19e-05/1.426, allocations: 32.59 kB / 1.315 GB, free: 8.457 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.967e-05/1.426, allocations: 22.62 kB / 1.315 GB, free: 8.457 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001599/1.427, allocations: 1.121 MB / 1.317 GB, free: 8.348 MB / 1.014 GB Notification: Performance of sort global known variables: time 1.9e-07/1.427, allocations: 4 kB / 1.317 GB, free: 8.344 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.002172/1.43, allocations: 0.6866 MB / 1.317 GB, free: 8.27 MB / 1.014 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 2 (mov.filter.s[1],mov.filter.s[2]) * 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 (31): * Single equations (assignments): 30 * 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 {(1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001157/1.431, allocations: 481.1 kB / 1.318 GB, free: 8.129 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.003541/1.434, allocations: 1.975 MB / 1.32 GB, free: 8.098 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 5.35e-06/1.434, allocations: 2.062 kB / 1.32 GB, free: 8.098 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.0007751/1.435, allocations: 318.6 kB / 1.32 GB, free: 8.094 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003551/1.439, allocations: 0.7581 MB / 1.321 GB, free: 8.016 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005864/1.445, allocations: 3.08 MB / 1.324 GB, free: 6.605 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009132/1.446, allocations: 1.317 MB / 1.325 GB, free: 5.883 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.001945/1.447, allocations: 433.6 kB / 1.325 GB, free: 5.762 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003206/1.448, allocations: 109.7 kB / 1.326 GB, free: 5.746 MB / 1.014 GB Notification: Performance of SimCode: time 9.02e-07/1.448, allocations: 0 / 1.326 GB, free: 5.746 MB / 1.014 GB Notification: Performance of Templates: time 0.06102/1.509, allocations: 32.18 MB / 1.357 GB, free: 2.219 MB / 1.029 GB make -j1 -f Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve.makefile (rm -f Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve.pipe >> ../files/Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve.sim & ./Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Movers_Validation_PressureCurve.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Movers.Validation.PressureCurve.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches