Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva.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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-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: translateModel(Buildings.Fluid.Chillers.Examples.Carnot_TEva,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_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva") translateModel(Buildings.Fluid.Chillers.Examples.Carnot_TEva,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_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.005876/0.005876, allocations: 100.3 kB / 15.73 MB, free: 6.062 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001293/0.001294, allocations: 188.1 kB / 16.67 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 1.397/1.397, allocations: 222.9 MB / 240.4 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.577/2.577, allocations: 437 MB / 0.7105 GB, free: 4.391 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001107/0.001107, allocations: 63.89 kB / 1.019 GB, free: 9.402 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.172/1.173, allocations: 151.6 MB / 1.167 GB, free: 3.816 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Examples.Carnot_TEva): time 0.0612/1.234, allocations: 61.21 MB / 1.226 GB, free: 6.387 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.01863/1.253, allocations: 11.98 MB / 1.238 GB, free: 10.37 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005249/1.258, allocations: 59.62 kB / 1.238 GB, free: 10.31 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.003588/1.262, allocations: 0.6791 MB / 1.239 GB, free: 9.625 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.009116/1.271, allocations: 1.971 MB / 1.241 GB, free: 7.645 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.00417/1.275, allocations: 1.212 MB / 1.242 GB, free: 6.441 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.005818/1.281, allocations: 3.071 MB / 1.245 GB, free: 3.359 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002208/1.283, allocations: 1.088 MB / 1.246 GB, free: 2.238 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005237/1.289, allocations: 1.345 MB / 1.247 GB, free: 0.8906 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002905/1.292, allocations: 0.8945 MB / 1.248 GB, free: 15.99 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.0007122/1.292, allocations: 116 kB / 1.248 GB, free: 15.88 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004794/1.297, allocations: 1.439 MB / 1.25 GB, free: 14.44 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.0006742/1.298, allocations: 298.8 kB / 1.25 GB, free: 14.14 MB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.001846/1.3, allocations: 0.688 MB / 1.251 GB, free: 13.45 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.005072/1.305, allocations: 2.309 MB / 1.253 GB, free: 11.14 MB / 0.9825 GB Notification: Performance of FrontEnd - DAE generated: time 6.352e-06/1.305, allocations: 0 / 1.253 GB, free: 11.14 MB / 0.9825 GB Notification: Performance of FrontEnd: time 1.543e-06/1.305, allocations: 0 / 1.253 GB, free: 11.14 MB / 0.9825 GB Notification: Performance of Transformations before backend: time 7.923e-05/1.305, allocations: 0 / 1.253 GB, free: 11.14 MB / 0.9825 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 0.004278/1.309, allocations: 1.775 MB / 1.255 GB, free: 9.309 MB / 0.9825 GB Notification: Performance of prepare preOptimizeDAE: time 4.472e-05/1.309, allocations: 16.88 kB / 1.255 GB, free: 9.293 MB / 0.9825 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002081/1.311, allocations: 415.5 kB / 1.255 GB, free: 8.887 MB / 0.9825 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002339/1.314, allocations: 1.176 MB / 1.256 GB, free: 7.652 MB / 0.9825 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.561e-05/1.314, allocations: 66 kB / 1.256 GB, free: 7.59 MB / 0.9825 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001179/1.314, allocations: 84 kB / 1.256 GB, free: 7.508 MB / 0.9825 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001993/1.316, allocations: 0.9937 MB / 1.257 GB, free: 6.453 MB / 0.9825 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.104e-05/1.316, allocations: 3.984 kB / 1.257 GB, free: 6.449 MB / 0.9825 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.698e-05/1.316, allocations: 32 kB / 1.257 GB, free: 6.418 MB / 0.9825 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.863e-05/1.316, allocations: 24 kB / 1.257 GB, free: 6.395 MB / 0.9825 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002134/1.318, allocations: 0.8469 MB / 1.258 GB, free: 5.551 MB / 0.9825 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 0.00641/1.325, allocations: 5.22 MB / 1.263 GB, free: 15.96 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003215/1.328, allocations: 0.7769 MB / 1.264 GB, free: 15.17 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000723/1.329, allocations: 293.9 kB / 1.264 GB, free: 14.88 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007222/1.329, allocations: 0.9141 MB / 1.265 GB, free: 13.77 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.805e-05/1.329, allocations: 38.56 kB / 1.265 GB, free: 13.72 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=43): time 2.996e-06/1.329, allocations: 3.938 kB / 1.265 GB, free: 13.71 MB / 0.9981 GB Notification: Performance of matching and sorting (n=43): time 0.006847/1.336, allocations: 1.694 MB / 1.267 GB, free: 11.99 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.879e-05/1.336, allocations: 55.41 kB / 1.267 GB, free: 11.93 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001956/1.338, allocations: 1.08 MB / 1.268 GB, free: 10.83 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 8.823e-05/1.338, allocations: 37.7 kB / 1.268 GB, free: 10.79 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005404/1.339, allocations: 0.5437 MB / 1.269 GB, free: 10.24 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001744/1.339, allocations: 162.6 kB / 1.269 GB, free: 10.08 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002911/1.339, allocations: 130.3 kB / 1.269 GB, free: 9.949 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 0.0001405/1.34, allocations: 333.9 kB / 1.269 GB, free: 9.617 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009135/1.34, allocations: 303.3 kB / 1.269 GB, free: 9.316 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001134/1.342, allocations: 0.529 MB / 1.27 GB, free: 8.691 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001755/1.343, allocations: 0.7133 MB / 1.271 GB, free: 7.906 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.566e-06/1.343, allocations: 0 / 1.271 GB, free: 7.906 MB / 0.9981 GB Notification: Performance of matching and sorting (n=71) (initialization): time 0.002981/1.346, allocations: 1.017 MB / 1.272 GB, free: 6.879 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 2.52e-05/1.346, allocations: 8 kB / 1.272 GB, free: 6.871 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.682e-05/1.346, allocations: 8 kB / 1.272 GB, free: 6.863 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00142/1.348, allocations: 300.6 kB / 1.272 GB, free: 6.566 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006002/1.348, allocations: 135.7 kB / 1.272 GB, free: 6.434 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001563/1.35, allocations: 0.893 MB / 1.273 GB, free: 5.516 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001419/1.351, allocations: 155.4 kB / 1.273 GB, free: 5.363 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001246/1.352, allocations: 31.98 kB / 1.273 GB, free: 5.332 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001383/1.353, allocations: 0.5051 MB / 1.274 GB, free: 4.82 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001142/1.354, allocations: 0.5347 MB / 1.274 GB, free: 4.195 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001751/1.356, allocations: 0.7101 MB / 1.275 GB, free: 3.414 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.778e-06/1.356, allocations: 4 kB / 1.275 GB, free: 3.41 MB / 0.9981 GB Notification: Performance of matching and sorting (n=71) (initialization_lambda0): time 0.003003/1.359, allocations: 1.005 MB / 1.276 GB, free: 2.395 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 1.95e-05/1.359, allocations: 8 kB / 1.276 GB, free: 2.387 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.007e-05/1.359, allocations: 4 kB / 1.276 GB, free: 2.383 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001213/1.36, allocations: 296.6 kB / 1.276 GB, free: 2.09 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005475/1.361, allocations: 127.8 kB / 1.276 GB, free: 1.965 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001458/1.362, allocations: 0.9022 MB / 1.277 GB, free: 1.039 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001495/1.364, allocations: 131.7 kB / 1.277 GB, free: 0.9102 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.71e-05/1.364, allocations: 35.98 kB / 1.277 GB, free: 0.875 MB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 23 * 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 0.0003451/1.364, allocations: 217.3 kB / 1.278 GB, free: 0.6562 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004524/1.365, allocations: 127.2 kB / 1.278 GB, free: 0.5312 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002709/1.367, allocations: 0.9184 MB / 1.279 GB, free: 15.6 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.073e-05/1.367, allocations: 4 kB / 1.279 GB, free: 15.59 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.638e-06/1.367, allocations: 0 / 1.279 GB, free: 15.59 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.899e-06/1.367, allocations: 3.984 kB / 1.279 GB, free: 15.59 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006032/1.373, allocations: 2.15 MB / 1.281 GB, free: 13.36 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.068e-05/1.374, allocations: 0 / 1.281 GB, free: 13.36 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002835/1.374, allocations: 67.89 kB / 1.281 GB, free: 13.29 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001077/1.375, allocations: 295.3 kB / 1.281 GB, free: 13 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.991e-05/1.375, allocations: 15.94 kB / 1.281 GB, free: 12.99 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001538/1.377, allocations: 0.927 MB / 1.282 GB, free: 12.04 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.901e-06/1.377, allocations: 4 kB / 1.282 GB, free: 12.03 MB / 1.014 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003767/1.38, allocations: 1.153 MB / 1.283 GB, free: 10.83 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006912/1.381, allocations: 264.2 kB / 1.283 GB, free: 10.55 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003854/1.381, allocations: 16 kB / 1.283 GB, free: 10.54 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001057/1.382, allocations: 71.91 kB / 1.283 GB, free: 10.47 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001166/1.383, allocations: 47.81 kB / 1.283 GB, free: 10.42 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.408e-05/1.383, allocations: 23.98 kB / 1.283 GB, free: 10.4 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001805/1.385, allocations: 0.7512 MB / 1.284 GB, free: 9.641 MB / 1.014 GB Notification: Performance of sort global known variables: time 3.91e-07/1.385, allocations: 4 kB / 1.284 GB, free: 9.637 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.002639/1.387, allocations: 0.5691 MB / 1.285 GB, free: 9.066 MB / 1.014 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 0.001208/1.388, allocations: 384.9 kB / 1.285 GB, free: 8.691 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.003511/1.392, allocations: 1.117 MB / 1.286 GB, free: 7.574 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 6.542e-06/1.392, allocations: 0 / 1.286 GB, free: 7.574 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.0009291/1.393, allocations: 342.6 kB / 1.287 GB, free: 7.238 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002691/1.396, allocations: 0.4983 MB / 1.287 GB, free: 6.746 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005858/1.401, allocations: 2.056 MB / 1.289 GB, free: 4.625 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008926/1.402, allocations: 1.065 MB / 1.29 GB, free: 3.527 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.001091/1.403, allocations: 220.8 kB / 1.29 GB, free: 3.309 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002608/1.404, allocations: 75.42 kB / 1.29 GB, free: 3.234 MB / 1.014 GB Notification: Performance of SimCode: time 1.102e-06/1.404, allocations: 4 kB / 1.29 GB, free: 3.23 MB / 1.014 GB Notification: Performance of Templates: time 0.04636/1.45, allocations: 25.02 MB / 1.315 GB, free: 10.51 MB / 1.045 GB make -j1 -f Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva.makefile (rm -f Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva.pipe ; mkfifo Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva.pipe >> ../files/Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva.sim & ./Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Chillers_Examples_Carnot_TEva.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Chillers.Examples.Carnot_TEva.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches