Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 11.1.0-master/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-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: "" <> buildModelFMU(Buildings.Fluid.Chillers.Examples.Carnot_TEva,fileNamePrefix="Buildings_latest_Buildings_Fluid_Chillers_Examples_Carnot_TEva",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Chillers.Examples.Carnot_TEva,fileNamePrefix="Buildings_latest_Buildings_Fluid_Chillers_Examples_Carnot_TEva",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 0.007401/0.007401, allocations: 100.6 kB / 15.73 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001694/0.001694, allocations: 189.6 kB / 16.67 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.309/1.309, allocations: 222.9 MB / 240.4 MB, free: 15.09 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-master/package.mo): time 2.578/2.578, allocations: 469.4 MB / 0.7422 GB, free: 3.477 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001298/0.001298, allocations: 72.12 kB / 1.064 GB, free: 14.25 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6918/0.6931, allocations: 159.1 MB / 1.22 GB, free: 2.227 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Examples.Carnot_TEva): time 0.05534/0.7485, allocations: 61.21 MB / 1.28 GB, free: 4.805 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01439/0.7629, allocations: 11.99 MB / 1.291 GB, free: 8.781 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001376/0.7643, allocations: 55.69 kB / 1.291 GB, free: 8.727 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.00167/0.766, allocations: 0.7064 MB / 1.292 GB, free: 8.016 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.004555/0.7706, allocations: 2.072 MB / 1.294 GB, free: 5.934 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.002656/0.7732, allocations: 1.209 MB / 1.295 GB, free: 4.734 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.003593/0.7768, allocations: 3.091 MB / 1.298 GB, free: 1.637 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001532/0.7784, allocations: 1.092 MB / 1.299 GB, free: 0.5117 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002805/0.7812, allocations: 1.366 MB / 1.301 GB, free: 15.14 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001201/0.7824, allocations: 0.8906 MB / 1.301 GB, free: 14.25 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.0001447/0.7826, allocations: 116 kB / 1.302 GB, free: 14.14 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002316/0.7849, allocations: 1.443 MB / 1.303 GB, free: 12.69 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.0002429/0.7852, allocations: 294.9 kB / 1.303 GB, free: 12.4 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.0006329/0.7858, allocations: 0.6958 MB / 1.304 GB, free: 11.7 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.002661/0.7885, allocations: 2.3 MB / 1.306 GB, free: 9.402 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 5.32e-06/0.7885, allocations: 4 kB / 1.306 GB, free: 9.398 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.753e-06/0.7885, allocations: 0 / 1.306 GB, free: 9.398 MB / 1.029 GB Notification: Performance of Transformations before backend: time 1.304e-05/0.7885, allocations: 4 kB / 1.306 GB, free: 9.395 MB / 1.029 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 0.002664/0.7912, allocations: 1.771 MB / 1.308 GB, free: 7.562 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 3.843e-05/0.7912, allocations: 12.62 kB / 1.308 GB, free: 7.551 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001342/0.7914, allocations: 122.9 kB / 1.308 GB, free: 7.422 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002146/0.7935, allocations: 415.6 kB / 1.308 GB, free: 7.016 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001906/0.7954, allocations: 1.168 MB / 1.31 GB, free: 5.789 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.143e-05/0.7955, allocations: 66 kB / 1.31 GB, free: 5.727 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001117/0.7956, allocations: 76 kB / 1.31 GB, free: 5.652 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001846/0.7975, allocations: 0.9937 MB / 1.311 GB, free: 4.598 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.823e-05/0.7975, allocations: 8 kB / 1.311 GB, free: 4.59 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.667e-05/0.7976, allocations: 32 kB / 1.311 GB, free: 4.559 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.017e-05/0.7976, allocations: 20 kB / 1.311 GB, free: 4.539 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00214/0.7997, allocations: 0.8469 MB / 1.312 GB, free: 3.695 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 preOpt removeSimpleEquations (simulation): time 0.005586/0.8053, allocations: 5.227 MB / 1.317 GB, free: 14.09 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003285/0.8086, allocations: 0.7881 MB / 1.317 GB, free: 13.29 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006788/0.8093, allocations: 302.4 kB / 1.318 GB, free: 12.99 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005565/0.8099, allocations: 0.9102 MB / 1.319 GB, free: 11.88 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.025e-05/0.8099, allocations: 42.5 kB / 1.319 GB, free: 11.83 MB / 1.045 GB Notification: Performance of pre-optimization done (n=43): time 1.693e-06/0.8099, allocations: 3.938 kB / 1.319 GB, free: 11.82 MB / 1.045 GB Notification: Performance of matching and sorting (n=43): time 0.006656/0.8166, allocations: 1.692 MB / 1.32 GB, free: 10.1 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.206e-05/0.8167, allocations: 59.41 kB / 1.32 GB, free: 10.03 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001352/0.818, allocations: 1.072 MB / 1.321 GB, free: 8.945 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 4.939e-05/0.8181, allocations: 37.7 kB / 1.321 GB, free: 8.902 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003791/0.8185, allocations: 0.5436 MB / 1.322 GB, free: 8.355 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001066/0.8186, allocations: 154.7 kB / 1.322 GB, free: 8.203 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002096/0.8188, allocations: 130.3 kB / 1.322 GB, free: 8.066 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 9.923e-05/0.8189, allocations: 341.9 kB / 1.323 GB, free: 7.727 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008454/0.8197, allocations: 307.3 kB / 1.323 GB, free: 7.426 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001007/0.8208, allocations: 0.5251 MB / 1.323 GB, free: 6.801 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001618/0.8224, allocations: 0.7211 MB / 1.324 GB, free: 6.008 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.677e-06/0.8224, allocations: 0 / 1.324 GB, free: 6.008 MB / 1.045 GB Notification: Performance of matching and sorting (n=71) (initialization): time 0.002547/0.8249, allocations: 1.005 MB / 1.325 GB, free: 4.992 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 1.958e-05/0.825, allocations: 8 kB / 1.325 GB, free: 4.984 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.057e-05/0.825, allocations: 4 kB / 1.325 GB, free: 4.98 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001197/0.8262, allocations: 312.6 kB / 1.325 GB, free: 4.672 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000542/0.8268, allocations: 131.8 kB / 1.326 GB, free: 4.543 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001351/0.8281, allocations: 0.894 MB / 1.326 GB, free: 3.625 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001106/0.8292, allocations: 159.3 kB / 1.327 GB, free: 3.469 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.944e-05/0.8293, allocations: 31.98 kB / 1.327 GB, free: 3.438 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00111/0.8304, allocations: 0.509 MB / 1.327 GB, free: 2.926 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001007/0.8314, allocations: 0.5251 MB / 1.328 GB, free: 2.305 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001577/0.833, allocations: 0.7061 MB / 1.328 GB, free: 1.527 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.689e-06/0.833, allocations: 3.984 kB / 1.328 GB, free: 1.523 MB / 1.045 GB Notification: Performance of matching and sorting (n=71) (initialization_lambda0): time 0.002533/0.8356, allocations: 1.009 MB / 1.329 GB, free: 0.5039 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 1.011e-05/0.8356, allocations: 4 kB / 1.329 GB, free: 0.5 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.905e-06/0.8356, allocations: 8 kB / 1.329 GB, free: 0.4922 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009877/0.8366, allocations: 292.7 kB / 1.33 GB, free: 208 kB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005245/0.8372, allocations: 131.8 kB / 1.33 GB, free: 76 kB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001321/0.8385, allocations: 0.9026 MB / 1.331 GB, free: 15.15 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001106/0.8396, allocations: 131.7 kB / 1.331 GB, free: 15.02 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.153e-05/0.8397, allocations: 31.98 kB / 1.331 GB, free: 14.99 MB / 1.061 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 0.0001877/0.8399, allocations: 220.1 kB / 1.331 GB, free: 14.77 MB / 1.061 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000173/0.84, allocations: 115.2 kB / 1.331 GB, free: 14.65 MB / 1.061 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002254/0.8423, allocations: 0.9184 MB / 1.332 GB, free: 13.72 MB / 1.061 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.406e-05/0.8423, allocations: 15.94 kB / 1.332 GB, free: 13.7 MB / 1.061 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.25e-06/0.8423, allocations: 0 / 1.332 GB, free: 13.7 MB / 1.061 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.573e-06/0.8424, allocations: 3.984 kB / 1.332 GB, free: 13.7 MB / 1.061 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004808/0.8472, allocations: 2.146 MB / 1.334 GB, free: 11.47 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.945e-06/0.8472, allocations: 4 kB / 1.334 GB, free: 11.47 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002799/0.8475, allocations: 64.17 kB / 1.334 GB, free: 11.41 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009252/0.8484, allocations: 296.5 kB / 1.334 GB, free: 11.11 MB / 1.061 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.602e-05/0.8485, allocations: 15.94 kB / 1.334 GB, free: 11.1 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001349/0.8498, allocations: 0.9254 MB / 1.335 GB, free: 10.15 MB / 1.061 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.6e-06/0.8498, allocations: 11.92 kB / 1.335 GB, free: 10.14 MB / 1.061 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003389/0.8532, allocations: 1.149 MB / 1.336 GB, free: 8.941 MB / 1.061 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004009/0.8536, allocations: 272.1 kB / 1.337 GB, free: 8.656 MB / 1.061 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001661/0.8538, allocations: 12 kB / 1.337 GB, free: 8.645 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008435/0.8547, allocations: 71.91 kB / 1.337 GB, free: 8.574 MB / 1.061 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.403e-05/0.8547, allocations: 39.83 kB / 1.337 GB, free: 8.535 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.893e-05/0.8548, allocations: 27.92 kB / 1.337 GB, free: 8.508 MB / 1.061 GB Notification: Performance of sorting global known variables: time 0.001117/0.8559, allocations: 0.7551 MB / 1.338 GB, free: 7.746 MB / 1.061 GB Notification: Performance of sort global known variables: time 2.21e-07/0.8559, allocations: 0 / 1.338 GB, free: 7.746 MB / 1.061 GB Notification: Performance of remove unused functions: time 0.001457/0.8574, allocations: 0.5653 MB / 1.338 GB, free: 7.18 MB / 1.061 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 0.00444/0.8618, allocations: 1.978 MB / 1.34 GB, free: 5.148 MB / 1.061 GB Notification: Performance of simCode: created initialization part: time 0.003076/0.8649, allocations: 1.117 MB / 1.341 GB, free: 4.035 MB / 1.061 GB Notification: Performance of simCode: created event and clocks part: time 5.841e-06/0.865, allocations: 4 kB / 1.341 GB, free: 4.031 MB / 1.061 GB Notification: Performance of simCode: created simulation system equations: time 0.0008644/0.8658, allocations: 338.5 kB / 1.341 GB, free: 3.699 MB / 1.061 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002179/0.868, allocations: 0.5105 MB / 1.342 GB, free: 3.191 MB / 1.061 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01641/0.8844, allocations: 8.448 MB / 1.35 GB, free: 10.42 MB / 1.076 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006/0.8851, allocations: 1.061 MB / 1.351 GB, free: 9.328 MB / 1.076 GB Notification: Performance of simCode: alias equations: time 0.0008343/0.8859, allocations: 216.8 kB / 1.351 GB, free: 9.113 MB / 1.076 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005154/0.8864, allocations: 415.3 kB / 1.352 GB, free: 8.707 MB / 1.076 GB Notification: Performance of SimCode: time 7.71e-07/0.8864, allocations: 3.938 kB / 1.352 GB, free: 8.703 MB / 1.076 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05891/0.9454, allocations: 33.51 MB / 1.385 GB, free: 7.641 MB / 1.107 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.41/13.35, allocations: 6.531 kB / 1.385 GB, free: 7.637 MB / 1.107 GB (rm -f Buildings_latest_Buildings.Fluid.Chillers.Examples.Carnot_TEva.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Chillers.Examples.Carnot_TEva.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Chillers.Examples.Carnot_TEva.pipe >> ../files/Buildings_latest_Buildings.Fluid.Chillers.Examples.Carnot_TEva.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Fluid.Chillers.Examples.Carnot_TEva_res.csv --start-time 0 --stop-time 3600 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.44 Buildings_latest_Buildings_Fluid_Chillers_Examples_Carnot_TEva.fmu > Buildings_latest_Buildings.Fluid.Chillers.Examples.Carnot_TEva.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Fluid.Chillers.Examples.Carnot_TEva_res.csv","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Chillers_Examples_Carnot_TEva.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Chillers.Examples.Carnot_TEva.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches