Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-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: translateModel(Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|hex.m1_flow|hex.m2_flow|hex.QMax_flow|hex.Q1_flow|hex.Q2_flow|hex.hA.hA_1|hex.hA.hA_2",fileNamePrefix="Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow") translateModel(Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|hex.m1_flow|hex.m2_flow|hex.QMax_flow|hex.Q1_flow|hex.Q2_flow|hex.hA.hA_1|hex.hA.hA_2",fileNamePrefix="Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0011/0.0011, allocations: 99.86 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001223/0.001223, allocations: 177.3 kB / 15.94 MB, free: 228 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.368/1.368, allocations: 223.2 MB / 239.9 MB, free: 5.309 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.333/2.333, allocations: 390.3 MB / 0.6653 GB, free: 2.992 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.0003484/0.0003486, allocations: 12 kB / 0.8145 GB, free: 14.3 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7509/0.7512, allocations: 142.3 MB / 0.9535 GB, free: 8.086 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow): time 0.1982/0.9495, allocations: 172.2 MB / 1.122 GB, free: 3.535 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01834/0.9679, allocations: 11.96 MB / 1.133 GB, free: 7.551 MB / 0.8887 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002387/0.9703, allocations: 39.69 kB / 1.133 GB, free: 7.512 MB / 0.8887 GB Notification: Performance of NFTyping.typeComponents: time 0.002411/0.9727, allocations: 0.7077 MB / 1.134 GB, free: 6.801 MB / 0.8887 GB Notification: Performance of NFTyping.typeBindings: time 0.006619/0.9794, allocations: 2.026 MB / 1.136 GB, free: 4.77 MB / 0.8887 GB Notification: Performance of NFTyping.typeClassSections: time 0.005447/0.9848, allocations: 1.723 MB / 1.138 GB, free: 3.07 MB / 0.8887 GB Notification: Performance of NFFlatten.flatten: time 0.004628/0.9895, allocations: 1.913 MB / 1.14 GB, free: 1.152 MB / 0.8887 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001803/0.9913, allocations: 0.9064 MB / 1.141 GB, free: 224 kB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003885/0.9952, allocations: 1.382 MB / 1.142 GB, free: 14.83 MB / 0.9044 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001504/0.9967, allocations: 0.7274 MB / 1.143 GB, free: 14.1 MB / 0.9044 GB Notification: Performance of NFPackage.collectConstants: time 0.0001759/0.9969, allocations: 52 kB / 1.143 GB, free: 14.05 MB / 0.9044 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004589/1.002, allocations: 2.04 MB / 1.145 GB, free: 12.01 MB / 0.9044 GB Notification: Performance of NFScalarize.scalarize: time 0.0004138/1.002, allocations: 314.8 kB / 1.145 GB, free: 11.7 MB / 0.9044 GB Notification: Performance of NFVerifyModel.verify: time 0.0005495/1.003, allocations: 308.9 kB / 1.145 GB, free: 11.39 MB / 0.9044 GB Notification: Performance of NFConvertDAE.convert: time 0.0036/1.006, allocations: 2.027 MB / 1.147 GB, free: 9.359 MB / 0.9044 GB Notification: Performance of FrontEnd - DAE generated: time 3.506e-06/1.006, allocations: 0 / 1.147 GB, free: 9.359 MB / 0.9044 GB Notification: Performance of FrontEnd: time 2.104e-06/1.006, allocations: 4 kB / 1.147 GB, free: 9.355 MB / 0.9044 GB Notification: Performance of Transformations before backend: time 2.038e-05/1.006, allocations: 0 / 1.147 GB, free: 9.355 MB / 0.9044 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 229 * Number of variables: 229 Notification: Performance of Generate backend data structure: time 0.004144/1.01, allocations: 1.806 MB / 1.149 GB, free: 7.484 MB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 4.935e-05/1.01, allocations: 8.031 kB / 1.149 GB, free: 7.477 MB / 0.9044 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002923/1.013, allocations: 0.5679 MB / 1.15 GB, free: 6.906 MB / 0.9044 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001911/1.015, allocations: 1.025 MB / 1.151 GB, free: 5.824 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006178/1.016, allocations: 201.9 kB / 1.151 GB, free: 5.629 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001579/1.016, allocations: 96 kB / 1.151 GB, free: 5.535 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002527/1.019, allocations: 1.272 MB / 1.152 GB, free: 4.242 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.145e-05/1.019, allocations: 3.938 kB / 1.152 GB, free: 4.238 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001108/1.019, allocations: 39.94 kB / 1.152 GB, free: 4.199 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.438e-05/1.019, allocations: 38 kB / 1.152 GB, free: 4.164 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003002/1.022, allocations: 1.327 MB / 1.153 GB, free: 2.836 MB / 0.9044 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 0.008647/1.03, allocations: 4.912 MB / 1.158 GB, free: 13.61 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002616/1.033, allocations: 1.067 MB / 1.159 GB, free: 12.53 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001018/1.034, allocations: 0.6916 MB / 1.16 GB, free: 11.71 MB / 0.92 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001402/1.036, allocations: 0.7423 MB / 1.161 GB, free: 10.93 MB / 0.92 GB Notification: Performance of pre-optimization done (n=85): time 2.976e-06/1.036, allocations: 0 / 1.161 GB, free: 10.93 MB / 0.92 GB Notification: Performance of matching and sorting (n=85): time 0.004311/1.04, allocations: 1.941 MB / 1.163 GB, free: 8.941 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.448e-05/1.04, allocations: 149.2 kB / 1.163 GB, free: 8.766 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0014/1.041, allocations: 1.038 MB / 1.164 GB, free: 7.715 MB / 0.92 GB Notification: Performance of collectPreVariables (initialization): time 0.0001149/1.042, allocations: 45.7 kB / 1.164 GB, free: 7.664 MB / 0.92 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004434/1.042, allocations: 0.5281 MB / 1.164 GB, free: 7.129 MB / 0.92 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002551/1.042, allocations: 276 kB / 1.165 GB, free: 6.855 MB / 0.92 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.93e-05/1.042, allocations: 20 kB / 1.165 GB, free: 6.836 MB / 0.92 GB Notification: Performance of setup shared object (initialization): time 0.0001378/1.042, allocations: 337.9 kB / 1.165 GB, free: 6.5 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001203/1.044, allocations: 0.5056 MB / 1.165 GB, free: 5.992 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001389/1.045, allocations: 0.6904 MB / 1.166 GB, free: 5.242 MB / 0.92 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001279/1.046, allocations: 0.5997 MB / 1.167 GB, free: 4.633 MB / 0.92 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.677e-06/1.046, allocations: 3.938 kB / 1.167 GB, free: 4.629 MB / 0.92 GB Notification: Performance of matching and sorting (n=116) (initialization): time 0.003186/1.05, allocations: 1.487 MB / 1.168 GB, free: 3.121 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 0.0003769/1.05, allocations: 1.029 MB / 1.169 GB, free: 2.008 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.702e-05/1.05, allocations: 11.97 kB / 1.169 GB, free: 1.996 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.919e-05/1.05, allocations: 4 kB / 1.169 GB, free: 1.992 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001199/1.051, allocations: 255.6 kB / 1.169 GB, free: 1.742 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.435e-05/1.051, allocations: 15.92 kB / 1.169 GB, free: 1.727 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001429/1.053, allocations: 211.5 kB / 1.17 GB, free: 1.52 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001013/1.053, allocations: 47.97 kB / 1.17 GB, free: 1.473 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 7.744e-06/1.053, allocations: 1.562 kB / 1.17 GB, free: 1.473 MB / 0.92 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002929/1.056, allocations: 1.397 MB / 1.171 GB, free: 64 kB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.398e-06/1.056, allocations: 0 / 1.171 GB, free: 64 kB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.134e-05/1.056, allocations: 8.094 kB / 1.171 GB, free: 56 kB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001184/1.057, allocations: 259.6 kB / 1.171 GB, free: 15.8 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.007e-05/1.057, allocations: 8 kB / 1.171 GB, free: 15.79 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00129/1.058, allocations: 199 kB / 1.171 GB, free: 15.6 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.482e-05/1.058, allocations: 43.98 kB / 1.171 GB, free: 15.55 MB / 0.9356 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 16 ($whenCondition1,$whenCondition2,mWatGai.a,mWatGai.b,mWatGai.last,$PRE.mWatGai.nextEvent,mWatGai.nextEvent,mWatGai.nextEventScaled,mAirGai.a,mAirGai.b,mAirGai.last,$PRE.mAirGai.nextEvent,mAirGai.nextEvent,mAirGai.nextEventScaled,hex.flowRegime,hex.flowRegime_nominal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (106): * Single equations (assignments): 104 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0007324/1.059, allocations: 457.3 kB / 1.172 GB, free: 15.09 MB / 0.9356 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002343/1.059, allocations: 138.4 kB / 1.172 GB, free: 14.95 MB / 0.9356 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003198/1.063, allocations: 1.51 MB / 1.174 GB, free: 13.43 MB / 0.9356 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.473e-05/1.063, allocations: 8 kB / 1.174 GB, free: 13.42 MB / 0.9356 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.125e-06/1.063, allocations: 0 / 1.174 GB, free: 13.42 MB / 0.9356 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.236e-05/1.063, allocations: 7.938 kB / 1.174 GB, free: 13.41 MB / 0.9356 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005259/1.068, allocations: 3.041 MB / 1.177 GB, free: 10.26 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.327e-06/1.068, allocations: 4 kB / 1.177 GB, free: 10.25 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009638/1.069, allocations: 204 kB / 1.177 GB, free: 10.05 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.119e-05/1.069, allocations: 4 kB / 1.177 GB, free: 10.05 MB / 0.9356 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.337e-05/1.069, allocations: 43.97 kB / 1.177 GB, free: 10.01 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.086e-05/1.069, allocations: 8 kB / 1.177 GB, free: 10 MB / 0.9356 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.198e-06/1.069, allocations: 0 / 1.177 GB, free: 10 MB / 0.9356 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004514/1.074, allocations: 2.478 MB / 1.179 GB, free: 7.395 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006946/1.074, allocations: 347.1 kB / 1.18 GB, free: 7.035 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002004/1.074, allocations: 27.98 kB / 1.18 GB, free: 7.008 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001165/1.076, allocations: 131.9 kB / 1.18 GB, free: 6.879 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000167/1.076, allocations: 64.44 kB / 1.18 GB, free: 6.812 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.689e-05/1.076, allocations: 43.97 kB / 1.18 GB, free: 6.77 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.001092/1.077, allocations: 0.7087 MB / 1.18 GB, free: 6.055 MB / 0.9356 GB Notification: Performance of sort global known variables: time 1.51e-07/1.077, allocations: 0 / 1.18 GB, free: 6.055 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.002109/1.079, allocations: 0.7878 MB / 1.181 GB, free: 5.266 MB / 0.9356 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 1 (senRelHum.phi) * Number of discrete variables: 13 ($whenCondition1,$whenCondition2,mWatGai.a,mWatGai.b,mWatGai.last,mWatGai.nextEvent,mWatGai.nextEventScaled,mAirGai.a,mAirGai.b,mAirGai.last,mAirGai.nextEvent,mAirGai.nextEventScaled,hex.flowRegime) * Number of discrete states: 12 (mAirGai.nextEvent,mAirGai.last,mAirGai.nextEventScaled,mAirGai.b,mAirGai.a,$whenCondition2,mWatGai.nextEvent,mWatGai.last,mWatGai.nextEventScaled,mWatGai.b,mWatGai.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (83): * Single equations (assignments): 79 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001117/1.08, allocations: 0.5163 MB / 1.182 GB, free: 4.75 MB / 0.9356 GB Notification: Performance of simCode: created initialization part: time 0.004513/1.085, allocations: 2.247 MB / 1.184 GB, free: 2.457 MB / 0.9356 GB Notification: Performance of simCode: created event and clocks part: time 3.417e-06/1.085, allocations: 3.938 kB / 1.184 GB, free: 2.453 MB / 0.9356 GB Notification: Performance of simCode: created simulation system equations: time 0.001407/1.086, allocations: 0.7879 MB / 1.185 GB, free: 1.645 MB / 0.9356 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002438/1.089, allocations: 0.5125 MB / 1.185 GB, free: 1.137 MB / 0.9356 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004744/1.093, allocations: 2.844 MB / 1.188 GB, free: 14.22 MB / 0.9512 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006973/1.094, allocations: 1.184 MB / 1.189 GB, free: 13.01 MB / 0.9512 GB Notification: Performance of simCode: alias equations: time 0.001583/1.096, allocations: 358.1 kB / 1.189 GB, free: 12.67 MB / 0.9512 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003103/1.096, allocations: 103.4 kB / 1.19 GB, free: 12.57 MB / 0.9512 GB Notification: Performance of SimCode: time 5.71e-07/1.096, allocations: 0 / 1.19 GB, free: 12.57 MB / 0.9512 GB Notification: Performance of Templates: time 0.04265/1.139, allocations: 24.97 MB / 1.214 GB, free: 3.91 MB / 0.9669 GB make -j1 -f Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.makefile (rm -f Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe ; mkfifo Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe >> ../files/Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.sim & ./Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Fluid_HeatExchangers_Examples_DryCoilEffectivenessNTUMassFlow.csv","../files/Buildings_9_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches