Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods.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: "" <> buildModelFMU(Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods,fileNamePrefix="Buildings_10_Buildings_Fluid_Movers_BaseClasses_Validation_HydraulicEfficiencyMethods",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods,fileNamePrefix="Buildings_10_Buildings_Fluid_Movers_BaseClasses_Validation_HydraulicEfficiencyMethods",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 0.00684/0.00684, allocations: 99.83 kB / 15.73 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001478/0.001478, allocations: 193.5 kB / 16.67 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.395/1.395, allocations: 222.9 MB / 240.4 MB, free: 15.16 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 2.433/2.433, allocations: 437 MB / 0.7105 GB, free: 4.406 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.002099/0.002099, allocations: 67.84 kB / 1.018 GB, free: 9.914 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8181/0.8203, allocations: 151.6 MB / 1.166 GB, free: 3.77 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods): time 0.005715/0.826, allocations: 4.906 MB / 1.171 GB, free: 14.84 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.00888/0.8349, allocations: 5.623 MB / 1.176 GB, free: 9.199 MB / 0.9044 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008292/0.8358, allocations: 27.88 kB / 1.176 GB, free: 9.172 MB / 0.9044 GB Notification: Performance of NFTyping.typeComponents: time 0.003341/0.8392, allocations: 1.281 MB / 1.178 GB, free: 7.891 MB / 0.9044 GB Notification: Performance of NFTyping.typeBindings: time 0.002778/0.842, allocations: 1.319 MB / 1.179 GB, free: 6.566 MB / 0.9044 GB Notification: Performance of NFTyping.typeClassSections: time 0.00313/0.8451, allocations: 1.539 MB / 1.181 GB, free: 5.027 MB / 0.9044 GB Notification: Performance of NFFlatten.flatten: time 0.02412/0.8692, allocations: 17.07 MB / 1.197 GB, free: 3.938 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004448/0.8697, allocations: 164.4 kB / 1.197 GB, free: 3.762 MB / 0.92 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001465/0.8712, allocations: 0.8292 MB / 1.198 GB, free: 2.93 MB / 0.92 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001189/0.8724, allocations: 0.8052 MB / 1.199 GB, free: 2.121 MB / 0.92 GB Notification: Performance of NFPackage.collectConstants: time 0.0003199/0.8727, allocations: 96 kB / 1.199 GB, free: 2.027 MB / 0.92 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001762/0.8745, allocations: 0.9126 MB / 1.2 GB, free: 1.113 MB / 0.92 GB Notification: Performance of NFScalarize.scalarize: time 0.0009576/0.8755, allocations: 0.9349 MB / 1.201 GB, free: 180 kB / 0.92 GB Notification: Performance of NFVerifyModel.verify: time 0.001499/0.877, allocations: 1.095 MB / 1.202 GB, free: 15.07 MB / 0.9356 GB Notification: Performance of NFConvertDAE.convert: time 0.004087/0.8811, allocations: 3.245 MB / 1.205 GB, free: 11.82 MB / 0.9356 GB Notification: Performance of FrontEnd - DAE generated: time 4.829e-06/0.8811, allocations: 4 kB / 1.205 GB, free: 11.81 MB / 0.9356 GB Notification: Performance of FrontEnd: time 1.663e-06/0.8811, allocations: 0 / 1.205 GB, free: 11.81 MB / 0.9356 GB Notification: Performance of Transformations before backend: time 4.191e-05/0.8812, allocations: 0 / 1.205 GB, free: 11.81 MB / 0.9356 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 75 * Number of variables: 75 Notification: Performance of Generate backend data structure: time 0.005348/0.8865, allocations: 2.88 MB / 1.208 GB, free: 8.867 MB / 0.9356 GB Notification: Performance of prepare preOptimizeDAE: time 3.915e-05/0.8866, allocations: 8.625 kB / 1.208 GB, free: 8.859 MB / 0.9356 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.434e-05/0.8867, allocations: 66.53 kB / 1.208 GB, free: 8.785 MB / 0.9356 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004298/0.891, allocations: 0.7438 MB / 1.209 GB, free: 8.039 MB / 0.9356 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006796/0.8978, allocations: 4.628 MB / 1.213 GB, free: 3.352 MB / 0.9356 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.067e-05/0.8979, allocations: 36.59 kB / 1.213 GB, free: 3.316 MB / 0.9356 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001489/0.898, allocations: 52 kB / 1.213 GB, free: 3.266 MB / 0.9356 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002156/0.9002, allocations: 0.8334 MB / 1.214 GB, free: 2.426 MB / 0.9356 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.933e-05/0.9002, allocations: 0 / 1.214 GB, free: 2.426 MB / 0.9356 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.642e-05/0.9003, allocations: 8 kB / 1.214 GB, free: 2.418 MB / 0.9356 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.193e-05/0.9003, allocations: 8 kB / 1.214 GB, free: 2.41 MB / 0.9356 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002876/0.9032, allocations: 0.8496 MB / 1.215 GB, free: 1.559 MB / 0.9356 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.007921/0.9112, allocations: 3.358 MB / 1.218 GB, free: 14.13 MB / 0.9512 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002892/0.9141, allocations: 1.004 MB / 1.219 GB, free: 13.12 MB / 0.9512 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001304/0.9154, allocations: 417.3 kB / 1.22 GB, free: 12.71 MB / 0.9512 GB Notification: Performance of preOpt evalFunc (simulation): time 4.554e-05/0.9155, allocations: 15.98 kB / 1.22 GB, free: 12.7 MB / 0.9512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.511e-05/0.9155, allocations: 38.5 kB / 1.22 GB, free: 12.65 MB / 0.9512 GB Notification: Performance of pre-optimization done (n=35): time 2.114e-06/0.9155, allocations: 0 / 1.22 GB, free: 12.65 MB / 0.9512 GB Notification: Performance of matching and sorting (n=35): time 0.004897/0.9204, allocations: 1.474 MB / 1.221 GB, free: 11.17 MB / 0.9512 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.029e-05/0.9205, allocations: 59.27 kB / 1.221 GB, free: 11.1 MB / 0.9512 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005835/0.9263, allocations: 3.741 MB / 1.225 GB, free: 7.344 MB / 0.9512 GB Notification: Performance of collectPreVariables (initialization): time 0.0002316/0.9266, allocations: 37.7 kB / 1.225 GB, free: 7.301 MB / 0.9512 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008165/0.9274, allocations: 0.8346 MB / 1.226 GB, free: 6.461 MB / 0.9512 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001898/0.9276, allocations: 150.9 kB / 1.226 GB, free: 6.312 MB / 0.9512 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007961/0.9284, allocations: 0.5795 MB / 1.226 GB, free: 5.727 MB / 0.9512 GB Notification: Performance of setup shared object (initialization): time 9.207e-05/0.9285, allocations: 305.1 kB / 1.227 GB, free: 5.426 MB / 0.9512 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002607/0.9311, allocations: 1.475 MB / 1.228 GB, free: 3.949 MB / 0.9512 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003011/0.9342, allocations: 1.923 MB / 1.23 GB, free: 1.879 MB / 0.9512 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005093/0.9393, allocations: 3.023 MB / 1.233 GB, free: 14.74 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.367e-05/0.9393, allocations: 4 kB / 1.233 GB, free: 14.73 MB / 0.9669 GB Notification: Performance of matching and sorting (n=341) (initialization): time 0.007011/0.9463, allocations: 3.742 MB / 1.237 GB, free: 10.99 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 2.868e-05/0.9464, allocations: 8 kB / 1.237 GB, free: 10.98 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.909e-05/0.9464, allocations: 8 kB / 1.237 GB, free: 10.97 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.529e-05/0.9465, allocations: 20 kB / 1.237 GB, free: 10.95 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001861/0.9483, allocations: 431.5 kB / 1.237 GB, free: 10.53 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.823e-05/0.9484, allocations: 23.92 kB / 1.237 GB, free: 10.51 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002613/0.951, allocations: 346.2 kB / 1.237 GB, free: 10.17 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002557/0.9513, allocations: 99.95 kB / 1.237 GB, free: 10.07 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00343/0.9547, allocations: 1.879 MB / 1.239 GB, free: 8.188 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002864/0.9576, allocations: 1.782 MB / 1.241 GB, free: 6.266 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004707/0.9623, allocations: 2.736 MB / 1.244 GB, free: 3.41 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.094e-05/0.9624, allocations: 4 kB / 1.244 GB, free: 3.406 MB / 0.9669 GB Notification: Performance of matching and sorting (n=341) (initialization_lambda0): time 0.006527/0.9689, allocations: 3.441 MB / 1.247 GB, free: 15.95 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 2.105e-05/0.9689, allocations: 12.17 kB / 1.247 GB, free: 15.94 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.53e-05/0.969, allocations: 12 kB / 1.247 GB, free: 15.93 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.088e-05/0.969, allocations: 16 kB / 1.247 GB, free: 15.91 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001755/0.9707, allocations: 423.4 kB / 1.248 GB, free: 15.5 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.099e-05/0.9708, allocations: 19.94 kB / 1.248 GB, free: 15.48 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002717/0.9735, allocations: 290.9 kB / 1.248 GB, free: 15.2 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002136/0.9737, allocations: 87.97 kB / 1.248 GB, free: 15.11 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 38 * 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 (209): * Single equations (assignments): 201 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 4 * 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 0.0004296/0.9742, allocations: 255.8 kB / 1.248 GB, free: 14.85 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006105/0.9748, allocations: 234.3 kB / 1.248 GB, free: 14.62 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003387/0.9782, allocations: 1.12 MB / 1.249 GB, free: 13.5 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.317e-06/0.9782, allocations: 7.984 kB / 1.249 GB, free: 13.49 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.781e-06/0.9782, allocations: 0 / 1.249 GB, free: 13.49 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.893e-06/0.9782, allocations: 3.984 kB / 1.249 GB, free: 13.48 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002277/0.9805, allocations: 1.383 MB / 1.251 GB, free: 12.04 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.019e-06/0.9806, allocations: 0 / 1.251 GB, free: 12.04 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009575/0.9815, allocations: 155.8 kB / 1.251 GB, free: 11.89 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.207e-06/0.9815, allocations: 4 kB / 1.251 GB, free: 11.89 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.063e-05/0.9816, allocations: 15.98 kB / 1.251 GB, free: 11.87 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.199e-06/0.9816, allocations: 0 / 1.251 GB, free: 11.87 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.543e-06/0.9816, allocations: 3.938 kB / 1.251 GB, free: 11.87 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003306/0.9849, allocations: 1.211 MB / 1.252 GB, free: 10.64 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001328/0.9863, allocations: 483.1 kB / 1.253 GB, free: 10.14 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006817/0.987, allocations: 8 kB / 1.253 GB, free: 10.14 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001693/0.9887, allocations: 127.8 kB / 1.253 GB, free: 10.01 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.233e-05/0.9888, allocations: 23.97 kB / 1.253 GB, free: 9.988 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.79e-05/0.9888, allocations: 19.98 kB / 1.253 GB, free: 9.969 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.00442/0.9933, allocations: 2.529 MB / 1.255 GB, free: 7.441 MB / 0.9825 GB Notification: Performance of sort global known variables: time 4.51e-07/0.9933, allocations: 4 kB / 1.255 GB, free: 7.438 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.003421/0.9967, allocations: 0.9447 MB / 1.256 GB, free: 6.492 MB / 0.9825 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (39): * Single equations (assignments): 39 * 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 Backend phase and start with SimCode phase: time 0.004602/1.001, allocations: 2.057 MB / 1.258 GB, free: 4.406 MB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.00792/1.009, allocations: 4.035 MB / 1.262 GB, free: 392 kB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 5.029e-06/1.009, allocations: 0 / 1.262 GB, free: 392 kB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 0.001436/1.011, allocations: 447.9 kB / 1.263 GB, free: 15.95 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00446/1.015, allocations: 0.9384 MB / 1.264 GB, free: 15.03 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04567/1.061, allocations: 23.54 MB / 1.286 GB, free: 7.078 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001469/1.062, allocations: 1.658 MB / 1.288 GB, free: 5.387 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.002676/1.065, allocations: 0.75 MB / 1.289 GB, free: 4.633 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001564/1.067, allocations: 0.9053 MB / 1.29 GB, free: 3.727 MB / 1.014 GB Notification: Performance of SimCode: time 6.61e-07/1.067, allocations: 0 / 1.29 GB, free: 3.727 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1054/1.172, allocations: 66.94 MB / 1.355 GB, free: 1.461 MB / 1.076 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.76/14.93, allocations: 8.047 kB / 1.355 GB, free: 1.453 MB / 1.076 GB (rm -f Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods.pipe ; mkfifo Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods.pipe >> ../files/Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods.sim & python3 -m fmpy simulate --output-file Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_10_Buildings_Fluid_Movers_BaseClasses_Validation_HydraulicEfficiencyMethods.fmu > Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Movers_BaseClasses_Validation_HydraulicEfficiencyMethods.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.HydraulicEfficiencyMethods.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches