Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.FixedResistances.Examples.FlowJunction.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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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.FixedResistances.Examples.FlowJunction,fileNamePrefix="Buildings_9_Buildings_Fluid_FixedResistances_Examples_FlowJunction",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.FixedResistances.Examples.FlowJunction,fileNamePrefix="Buildings_9_Buildings_Fluid_FixedResistances_Examples_FlowJunction",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 0.001674/0.001674, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00185/0.00185, allocations: 194.1 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.344/1.344, allocations: 222.9 MB / 240.2 MB, free: 4.402 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.29/2.29, allocations: 390.3 MB / 0.6647 GB, free: 436 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001362/0.001362, allocations: 71.88 kB / 0.8126 GB, free: 14.38 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5528/0.5541, allocations: 140.4 MB / 0.9497 GB, free: 9.215 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.Examples.FlowJunction): time 0.2226/0.7768, allocations: 239.9 MB / 1.184 GB, free: 1.125 MB / 0.9356 GB Notification: Performance of NFInst.instExpressions: time 0.01099/0.7878, allocations: 7.218 MB / 1.191 GB, free: 9.895 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001552/0.7894, allocations: 51.69 kB / 1.191 GB, free: 9.844 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.001867/0.7912, allocations: 0.7027 MB / 1.192 GB, free: 9.137 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.004825/0.7961, allocations: 2.069 MB / 1.194 GB, free: 7.059 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.004536/0.8007, allocations: 2.022 MB / 1.196 GB, free: 5.047 MB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.003741/0.8044, allocations: 3.265 MB / 1.199 GB, free: 1.77 MB / 0.9512 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001635/0.8061, allocations: 1.126 MB / 1.2 GB, free: 0.6211 MB / 0.9512 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00345/0.8096, allocations: 1.779 MB / 1.202 GB, free: 14.84 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00186/0.8114, allocations: 0.9692 MB / 1.203 GB, free: 13.87 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 0.0003079/0.8118, allocations: 128 kB / 1.203 GB, free: 13.74 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004442/0.8162, allocations: 2.49 MB / 1.205 GB, free: 11.25 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 0.0005558/0.8168, allocations: 462.7 kB / 1.206 GB, free: 10.79 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 0.001141/0.8179, allocations: 0.7155 MB / 1.206 GB, free: 10.07 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.004477/0.8224, allocations: 2.661 MB / 1.209 GB, free: 7.406 MB / 0.9669 GB Notification: Performance of FrontEnd - DAE generated: time 4.378e-06/0.8224, allocations: 0 / 1.209 GB, free: 7.406 MB / 0.9669 GB Notification: Performance of FrontEnd: time 1.644e-06/0.8224, allocations: 0 / 1.209 GB, free: 7.406 MB / 0.9669 GB Notification: Performance of Transformations before backend: time 5.236e-05/0.8225, allocations: 0 / 1.209 GB, free: 7.406 MB / 0.9669 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 197 * Number of variables: 197 Notification: Performance of Generate backend data structure: time 0.003226/0.8257, allocations: 1.713 MB / 1.211 GB, free: 5.641 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 3.707e-05/0.8258, allocations: 8.031 kB / 1.211 GB, free: 5.633 MB / 0.9669 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001858/0.826, allocations: 126.8 kB / 1.211 GB, free: 5.5 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002672/0.8286, allocations: 422 kB / 1.211 GB, free: 5.086 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001481/0.8301, allocations: 0.9599 MB / 1.212 GB, free: 4.082 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.668e-05/0.8302, allocations: 66 kB / 1.212 GB, free: 4.016 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001222/0.8303, allocations: 83.97 kB / 1.212 GB, free: 3.934 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001425/0.8318, allocations: 0.8701 MB / 1.213 GB, free: 3.055 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.128e-05/0.8318, allocations: 4 kB / 1.213 GB, free: 3.051 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.634e-05/0.8319, allocations: 28 kB / 1.213 GB, free: 3.023 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.44e-05/0.8319, allocations: 34 kB / 1.213 GB, free: 2.992 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001404/0.8333, allocations: 0.8003 MB / 1.214 GB, free: 2.191 MB / 0.9669 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 0.004301/0.8376, allocations: 3.686 MB / 1.218 GB, free: 14.21 MB / 0.9825 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001443/0.8391, allocations: 1.088 MB / 1.219 GB, free: 13.01 MB / 0.9825 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005709/0.8397, allocations: 366.4 kB / 1.219 GB, free: 12.65 MB / 0.9825 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006739/0.8404, allocations: 408.9 kB / 1.219 GB, free: 12.18 MB / 0.9825 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.648e-05/0.8404, allocations: 39.12 kB / 1.219 GB, free: 12.13 MB / 0.9825 GB Notification: Performance of pre-optimization done (n=60): time 2.405e-06/0.8404, allocations: 4 kB / 1.219 GB, free: 12.13 MB / 0.9825 GB Notification: Performance of matching and sorting (n=60): time 0.001999/0.8424, allocations: 0.9583 MB / 1.22 GB, free: 11.16 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.296e-05/0.8425, allocations: 63.97 kB / 1.22 GB, free: 11.09 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009663/0.8434, allocations: 0.8361 MB / 1.221 GB, free: 10.23 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 5.502e-05/0.8435, allocations: 37.7 kB / 1.221 GB, free: 10.18 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003179/0.8438, allocations: 484.1 kB / 1.222 GB, free: 9.703 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001602/0.844, allocations: 212.9 kB / 1.222 GB, free: 9.492 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001725/0.8442, allocations: 114.1 kB / 1.222 GB, free: 9.375 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 9.563e-05/0.8443, allocations: 330 kB / 1.222 GB, free: 9.047 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004765/0.8448, allocations: 255 kB / 1.223 GB, free: 8.797 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005682/0.8453, allocations: 363.4 kB / 1.223 GB, free: 8.406 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001005/0.8464, allocations: 0.593 MB / 1.224 GB, free: 7.801 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.836e-06/0.8464, allocations: 7.938 kB / 1.224 GB, free: 7.793 MB / 0.9825 GB Notification: Performance of matching and sorting (n=69) (initialization): time 0.001281/0.8477, allocations: 0.7359 MB / 1.224 GB, free: 7.047 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.76e-05/0.8477, allocations: 4 kB / 1.224 GB, free: 7.043 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.153e-06/0.8477, allocations: 0 / 1.224 GB, free: 7.043 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.779e-05/0.8477, allocations: 4 kB / 1.224 GB, free: 7.039 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005717/0.8483, allocations: 132 kB / 1.224 GB, free: 6.91 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.142e-05/0.8483, allocations: 3.938 kB / 1.224 GB, free: 6.906 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007315/0.849, allocations: 67.5 kB / 1.224 GB, free: 6.84 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.129e-05/0.8491, allocations: 23.98 kB / 1.224 GB, free: 6.816 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007867/0.8499, allocations: 497 kB / 1.225 GB, free: 6.328 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005421/0.8505, allocations: 363.5 kB / 1.225 GB, free: 5.938 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009568/0.8514, allocations: 0.5774 MB / 1.226 GB, free: 5.348 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.703e-06/0.8514, allocations: 0 / 1.226 GB, free: 5.348 MB / 0.9825 GB Notification: Performance of matching and sorting (n=69) (initialization_lambda0): time 0.001194/0.8526, allocations: 0.728 MB / 1.227 GB, free: 4.609 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.292e-05/0.8527, allocations: 10.03 kB / 1.227 GB, free: 4.602 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.755e-06/0.8527, allocations: 0 / 1.227 GB, free: 4.602 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.353e-06/0.8527, allocations: 11.97 kB / 1.227 GB, free: 4.59 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005333/0.8532, allocations: 123.8 kB / 1.227 GB, free: 4.469 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.307e-05/0.8532, allocations: 4 kB / 1.227 GB, free: 4.465 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007088/0.854, allocations: 67.77 kB / 1.227 GB, free: 4.398 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.403e-05/0.854, allocations: 24 kB / 1.227 GB, free: 4.375 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * 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 (69): * Single equations (assignments): 69 * 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 0.0001635/0.8542, allocations: 212.6 kB / 1.227 GB, free: 4.16 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000149/0.8543, allocations: 102.8 kB / 1.227 GB, free: 4.059 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001346/0.8557, allocations: 0.7394 MB / 1.228 GB, free: 3.316 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.512e-06/0.8557, allocations: 8 kB / 1.228 GB, free: 3.309 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.919e-06/0.8557, allocations: 3.938 kB / 1.228 GB, free: 3.305 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001125/0.8568, allocations: 0.9033 MB / 1.229 GB, free: 2.316 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003085/0.8599, allocations: 2.247 MB / 1.231 GB, free: 15.93 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.019e-06/0.86, allocations: 8.344 kB / 1.231 GB, free: 15.93 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006457/0.8606, allocations: 139.8 kB / 1.231 GB, free: 15.79 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.733e-06/0.8606, allocations: 4 kB / 1.231 GB, free: 15.79 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.445e-05/0.8607, allocations: 20 kB / 1.231 GB, free: 15.77 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.961e-06/0.8607, allocations: 4 kB / 1.231 GB, free: 15.76 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.439e-06/0.8607, allocations: 4 kB / 1.231 GB, free: 15.76 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001807/0.8625, allocations: 1.229 MB / 1.232 GB, free: 14.47 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003298/0.8628, allocations: 263.7 kB / 1.233 GB, free: 14.2 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001228/0.863, allocations: 16.12 kB / 1.233 GB, free: 14.18 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006787/0.8637, allocations: 47.95 kB / 1.233 GB, free: 14.13 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001008/0.8638, allocations: 44.31 kB / 1.233 GB, free: 14.09 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.726e-05/0.8638, allocations: 24 kB / 1.233 GB, free: 14.07 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.0007055/0.8645, allocations: 0.5823 MB / 1.233 GB, free: 13.47 MB / 0.9981 GB Notification: Performance of sort global known variables: time 2.51e-07/0.8645, allocations: 4 kB / 1.233 GB, free: 13.47 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.001156/0.8657, allocations: 0.5338 MB / 1.234 GB, free: 12.93 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 6 (spl.vol.dynBal.medium.Xi[1],spl.vol.dynBal.U,spl.vol.dynBal.m,senTem1.T,senTem2.T,senTem3.T) * 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 (60): * Single equations (assignments): 60 * 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 0.002391/0.8681, allocations: 1.901 MB / 1.236 GB, free: 10.96 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.001922/0.87, allocations: 1.002 MB / 1.237 GB, free: 9.961 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 3.396e-06/0.8701, allocations: 4.062 kB / 1.237 GB, free: 9.957 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.0005618/0.8706, allocations: 346.1 kB / 1.237 GB, free: 9.617 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002557/0.8732, allocations: 0.6077 MB / 1.238 GB, free: 9.023 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01061/0.8838, allocations: 8.012 MB / 1.245 GB, free: 0.6719 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.3714/1.255, allocations: 1.117 MB / 1.246 GB, free: 286.2 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.001277/1.257, allocations: 297.9 kB / 1.247 GB, free: 286.2 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005161/1.257, allocations: 417.5 kB / 1.247 GB, free: 286.2 MB / 0.9981 GB Notification: Performance of SimCode: time 7.41e-07/1.257, allocations: 0 / 1.247 GB, free: 286.2 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05437/1.311, allocations: 29.13 MB / 1.276 GB, free: 274.3 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.065/9.377, allocations: 11.88 kB / 1.276 GB, free: 274.3 MB / 0.9981 GB (rm -f Buildings_9_Buildings.Fluid.FixedResistances.Examples.FlowJunction.pipe ; mkfifo Buildings_9_Buildings.Fluid.FixedResistances.Examples.FlowJunction.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.FixedResistances.Examples.FlowJunction.pipe >> ../files/Buildings_9_Buildings.Fluid.FixedResistances.Examples.FlowJunction.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Fluid.FixedResistances.Examples.FlowJunction_res.csv --start-time 0 --stop-time 100 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.04 Buildings_9_Buildings_Fluid_FixedResistances_Examples_FlowJunction.fmu > Buildings_9_Buildings.Fluid.FixedResistances.Examples.FlowJunction.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Fluid.FixedResistances.Examples.FlowJunction_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Fluid_FixedResistances_Examples_FlowJunction.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Fluid.FixedResistances.Examples.FlowJunction.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches