Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus.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-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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.HeatPumps.Validation.EquationFitReversible_EnergyPlus,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|heaPum.QLoa_flow|heaPum.QSou_flow|QLoa_flow_EP.y|QSou_flow_EP.y|heaPum.P|P_EP.y",fileNamePrefix="Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus") translateModel(Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|heaPum.QLoa_flow|heaPum.QSou_flow|QLoa_flow_EP.y|QSou_flow_EP.y|heaPum.P|P_EP.y",fileNamePrefix="Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008702/0.008702, allocations: 97.16 kB / 15.73 MB, free: 6.004 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00169/0.00169, allocations: 195.2 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 1.459/1.459, allocations: 222.9 MB / 240.4 MB, free: 4.305 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.831/2.831, allocations: 469.8 MB / 0.7425 GB, free: 7.406 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001389/0.001389, allocations: 63.89 kB / 1.065 GB, free: 13.13 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3581/0.3595, allocations: 159.1 MB / 1.221 GB, free: 13.87 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus): time 0.8287/1.188, allocations: 62.86 MB / 1.282 GB, free: 2.199 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.02185/1.21, allocations: 13.09 MB / 1.295 GB, free: 9.801 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003571/1.214, allocations: 66.88 kB / 1.295 GB, free: 9.777 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.003637/1.217, allocations: 0.9679 MB / 1.296 GB, free: 9.211 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.007913/1.225, allocations: 2.117 MB / 1.298 GB, free: 7.961 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.004826/1.23, allocations: 1.372 MB / 1.299 GB, free: 7.234 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.006827/1.237, allocations: 3.49 MB / 1.303 GB, free: 5.555 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002077/1.239, allocations: 1.064 MB / 1.304 GB, free: 5.004 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003989/1.243, allocations: 1.401 MB / 1.305 GB, free: 4.328 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002201/1.245, allocations: 1.066 MB / 1.306 GB, free: 3.824 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.0003524/1.246, allocations: 156 kB / 1.306 GB, free: 3.824 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004942/1.25, allocations: 1.612 MB / 1.308 GB, free: 3.277 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.0005912/1.251, allocations: 495.8 kB / 1.308 GB, free: 2.984 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.001407/1.252, allocations: 0.8891 MB / 1.309 GB, free: 2.41 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.007116/1.26, allocations: 2.979 MB / 1.312 GB, free: 1.285 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 4.658e-06/1.26, allocations: 0 / 1.312 GB, free: 1.285 MB / 1.014 GB Notification: Performance of FrontEnd: time 1.844e-06/1.26, allocations: 1.188 kB / 1.312 GB, free: 1.285 MB / 1.014 GB Notification: Performance of Transformations before backend: time 5.842e-05/1.26, allocations: 3.938 kB / 1.312 GB, free: 1.281 MB / 1.014 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 220 * Number of variables: 220 Notification: Performance of Generate backend data structure: time 0.006011/1.266, allocations: 2.237 MB / 1.314 GB, free: 15.8 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 5.051e-05/1.266, allocations: 9.656 kB / 1.314 GB, free: 15.8 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004467/1.27, allocations: 0.7151 MB / 1.315 GB, free: 15.67 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003499/1.274, allocations: 1.442 MB / 1.316 GB, free: 14.83 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001946/1.274, allocations: 147.8 kB / 1.316 GB, free: 14.73 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001749/1.274, allocations: 90.39 kB / 1.317 GB, free: 14.71 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003606/1.278, allocations: 1.361 MB / 1.318 GB, free: 14.16 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.265e-05/1.278, allocations: 0.7031 kB / 1.318 GB, free: 14.16 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001198/1.278, allocations: 36.12 kB / 1.318 GB, free: 14.14 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.227e-05/1.278, allocations: 21.06 kB / 1.318 GB, free: 14.14 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004275/1.282, allocations: 1.496 MB / 1.319 GB, free: 13.67 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 0.009218/1.291, allocations: 4.776 MB / 1.324 GB, free: 10.66 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008712/1.3, allocations: 1.899 MB / 1.326 GB, free: 10.02 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001543/1.302, allocations: 0.5238 MB / 1.326 GB, free: 9.855 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001079/1.303, allocations: 1.158 MB / 1.328 GB, free: 8.52 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001775/1.304, allocations: 0.6343 MB / 1.328 GB, free: 8.297 MB / 1.029 GB Notification: Performance of pre-optimization done (n=60): time 3.898e-06/1.304, allocations: 0.9375 kB / 1.328 GB, free: 8.297 MB / 1.029 GB Notification: Performance of matching and sorting (n=60): time 0.005232/1.31, allocations: 1.676 MB / 1.33 GB, free: 7.719 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.009e-05/1.31, allocations: 88.59 kB / 1.33 GB, free: 7.621 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00286/1.313, allocations: 1.623 MB / 1.331 GB, free: 6.996 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 0.0001232/1.313, allocations: 43.42 kB / 1.332 GB, free: 6.953 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006083/1.313, allocations: 0.6653 MB / 1.332 GB, free: 6.422 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002272/1.314, allocations: 218.5 kB / 1.332 GB, free: 6.254 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003536/1.314, allocations: 165.6 kB / 1.333 GB, free: 6.18 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001621/1.314, allocations: 337.5 kB / 1.333 GB, free: 5.859 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001683/1.316, allocations: 0.5823 MB / 1.333 GB, free: 5.668 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001921/1.318, allocations: 0.7396 MB / 1.334 GB, free: 5.316 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003114/1.321, allocations: 1.139 MB / 1.335 GB, free: 4.738 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.318e-06/1.321, allocations: 1.312 kB / 1.335 GB, free: 4.738 MB / 1.029 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.004493/1.325, allocations: 1.465 MB / 1.337 GB, free: 4.004 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 2.608e-05/1.325, allocations: 10.91 kB / 1.337 GB, free: 4 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.326e-05/1.325, allocations: 3.672 kB / 1.337 GB, free: 4 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.731e-05/1.325, allocations: 10.17 kB / 1.337 GB, free: 3.996 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001344/1.327, allocations: 254.9 kB / 1.337 GB, free: 3.918 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.326e-05/1.327, allocations: 4.438 kB / 1.337 GB, free: 3.918 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002158/1.329, allocations: 235.3 kB / 1.337 GB, free: 3.793 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000124/1.329, allocations: 35.73 kB / 1.337 GB, free: 3.781 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002815/1.332, allocations: 0.8671 MB / 1.338 GB, free: 3.289 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002095/1.334, allocations: 0.7376 MB / 1.339 GB, free: 2.824 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003619/1.338, allocations: 1.135 MB / 1.34 GB, free: 2.203 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.65e-06/1.338, allocations: 5.438 kB / 1.34 GB, free: 2.199 MB / 1.029 GB Notification: Performance of matching and sorting (n=87) (initialization_lambda0): time 0.005063/1.343, allocations: 1.46 MB / 1.341 GB, free: 1.469 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 2.127e-05/1.343, allocations: 6.438 kB / 1.341 GB, free: 1.469 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.903e-06/1.343, allocations: 5.25 kB / 1.341 GB, free: 1.465 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.127e-05/1.343, allocations: 9.312 kB / 1.341 GB, free: 1.461 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001383/1.344, allocations: 250.3 kB / 1.342 GB, free: 1.387 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.54e-05/1.344, allocations: 8.562 kB / 1.342 GB, free: 1.383 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002358/1.346, allocations: 207 kB / 1.342 GB, free: 1.281 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001195/1.346, allocations: 37.62 kB / 1.342 GB, free: 1.27 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 5 ($PRE.datRea.nextTimeEvent,$whenCondition1,datRea.nextTimeEventScaled,$PRE.datRea.nextTimeEventScaled,datRea.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (87): * Single equations (assignments): 87 * 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 0.0004237/1.347, allocations: 227.9 kB / 1.342 GB, free: 1.051 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004373/1.347, allocations: 159.6 kB / 1.342 GB, free: 0.9648 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004123/1.351, allocations: 1.461 MB / 1.344 GB, free: 164 kB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.584e-05/1.352, allocations: 6.531 kB / 1.344 GB, free: 164 kB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.143e-06/1.352, allocations: 0 / 1.344 GB, free: 164 kB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.132e-05/1.352, allocations: 9.109 kB / 1.344 GB, free: 156 kB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006991/1.359, allocations: 3.002 MB / 1.347 GB, free: 14.11 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.14e-05/1.359, allocations: 6.375 kB / 1.347 GB, free: 14.11 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001003/1.36, allocations: 178.6 kB / 1.347 GB, free: 14.05 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.638e-06/1.36, allocations: 5.406 kB / 1.347 GB, free: 14.05 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.25e-05/1.36, allocations: 25.28 kB / 1.347 GB, free: 14.03 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.654e-06/1.36, allocations: 4.219 kB / 1.347 GB, free: 14.03 MB / 1.045 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.039e-06/1.36, allocations: 2.531 kB / 1.347 GB, free: 14.03 MB / 1.045 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003804/1.363, allocations: 1.463 MB / 1.348 GB, free: 13.16 MB / 1.045 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008519/1.364, allocations: 399.8 kB / 1.349 GB, free: 12.82 MB / 1.045 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003037/1.365, allocations: 23.19 kB / 1.349 GB, free: 12.81 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001268/1.366, allocations: 125.9 kB / 1.349 GB, free: 12.76 MB / 1.045 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001265/1.366, allocations: 51.83 kB / 1.349 GB, free: 12.73 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.057e-05/1.366, allocations: 37.08 kB / 1.349 GB, free: 12.71 MB / 1.045 GB Notification: Performance of sorting global known variables: time 0.002142/1.368, allocations: 1.156 MB / 1.35 GB, free: 12.09 MB / 1.045 GB Notification: Performance of sort global known variables: time 1e-07/1.368, allocations: 0 / 1.35 GB, free: 12.09 MB / 1.045 GB Notification: Performance of remove unused functions: time 0.00241/1.371, allocations: 0.7424 MB / 1.351 GB, free: 11.93 MB / 1.045 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,datRea.nextTimeEvent,datRea.nextTimeEventScaled) * Number of discrete states: 2 (datRea.nextTimeEvent,datRea.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (64): * Single equations (assignments): 56 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * 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 0.001881/1.373, allocations: 0.7724 MB / 1.351 GB, free: 11.56 MB / 1.045 GB Notification: Performance of simCode: created initialization part: time 0.005464/1.378, allocations: 1.886 MB / 1.353 GB, free: 10.67 MB / 1.045 GB Notification: Performance of simCode: created event and clocks part: time 4.318e-06/1.378, allocations: 3.938 kB / 1.353 GB, free: 10.67 MB / 1.045 GB Notification: Performance of simCode: created simulation system equations: time 0.001605/1.38, allocations: 0.5691 MB / 1.354 GB, free: 10.39 MB / 1.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002895/1.382, allocations: 0.6551 MB / 1.354 GB, free: 10.04 MB / 1.045 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004565/1.387, allocations: 2.57 MB / 1.357 GB, free: 8.496 MB / 1.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001046/1.388, allocations: 1.235 MB / 1.358 GB, free: 7.539 MB / 1.045 GB Notification: Performance of simCode: alias equations: time 0.00151/1.39, allocations: 416.4 kB / 1.359 GB, free: 7.367 MB / 1.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004134/1.39, allocations: 127 kB / 1.359 GB, free: 7.336 MB / 1.045 GB Notification: Performance of SimCode: time 7.21e-07/1.39, allocations: 0 / 1.359 GB, free: 7.336 MB / 1.045 GB Notification: Performance of Templates: time 0.04875/1.439, allocations: 29.79 MB / 1.388 GB, free: 12.89 MB / 1.076 GB make -j1 -f Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus.makefile (rm -f Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus.pipe ; mkfifo Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus.pipe >> ../files/Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus.sim & ./Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus.pipe 2>&1) diffSimulationResults("Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_HeatPumps_Validation_EquationFitReversible_EnergyPlus.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.HeatPumps.Validation.EquationFitReversible_EnergyPlus.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches