Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.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.ThermalZones.Detailed.Constructions.Examples.ExteriorWall,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|conExt.1..opa.T.1.|conExt.1..opa.T.2.|conExt.1..opa.T.3.|conExt.1..opa.T.4.|conExt.1..opa.T.5.|bouConExt.weaBus.TDryBul",fileNamePrefix="Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall") translateModel(Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|conExt.1..opa.T.1.|conExt.1..opa.T.2.|conExt.1..opa.T.3.|conExt.1..opa.T.4.|conExt.1..opa.T.5.|bouConExt.weaBus.TDryBul",fileNamePrefix="Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001313/0.001313, allocations: 115 kB / 16.37 MB, free: 6.016 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001356/0.001356, allocations: 193.2 kB / 17.31 MB, free: 5.609 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.33/1.33, allocations: 222.9 MB / 241 MB, free: 15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.306/2.306, allocations: 390.3 MB / 0.6655 GB, free: 0.5859 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001224/0.001224, allocations: 65.83 kB / 0.814 GB, free: 32.59 MB / 0.6231 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.248/0.2492, allocations: 140.4 MB / 0.9511 GB, free: 8.051 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall): time 0.009301/0.2586, allocations: 8.408 MB / 0.9593 GB, free: 15.61 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.6675/0.9261, allocations: 154.5 MB / 1.11 GB, free: 4.852 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001859/0.928, allocations: 45.12 kB / 1.11 GB, free: 4.836 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.002967/0.9311, allocations: 1.092 MB / 1.111 GB, free: 4.535 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.00309/0.9342, allocations: 1.03 MB / 1.112 GB, free: 4.242 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.004082/0.9383, allocations: 1.688 MB / 1.114 GB, free: 4.102 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.007404/0.9457, allocations: 4.627 MB / 1.119 GB, free: 3.59 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002745/0.9485, allocations: 1.842 MB / 1.12 GB, free: 3.203 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004153/0.9527, allocations: 1.972 MB / 1.122 GB, free: 3.164 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003548/0.9562, allocations: 1.69 MB / 1.124 GB, free: 3.055 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.001121/0.9574, allocations: 371.2 kB / 1.124 GB, free: 3.055 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002877/0.9602, allocations: 1.163 MB / 1.125 GB, free: 3.027 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.001122/0.9614, allocations: 0.994 MB / 1.126 GB, free: 2.895 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.002375/0.9638, allocations: 1.736 MB / 1.128 GB, free: 2.398 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.006841/0.9706, allocations: 5.424 MB / 1.133 GB, free: 1.719 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 7.585e-06/0.9707, allocations: 5.031 kB / 1.133 GB, free: 1.715 MB / 0.8575 GB Notification: Performance of FrontEnd: time 2.855e-06/0.9707, allocations: 0 / 1.133 GB, free: 1.715 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 0.0001638/0.9708, allocations: 0 / 1.133 GB, free: 1.715 MB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 502 * Number of variables: 502 Notification: Performance of Generate backend data structure: time 0.01215/0.983, allocations: 4.064 MB / 1.137 GB, free: 16.05 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 5.948e-05/0.9831, allocations: 12.88 kB / 1.137 GB, free: 16.05 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008502/0.9916, allocations: 1.575 MB / 1.139 GB, free: 15.86 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005907/0.9975, allocations: 2.669 MB / 1.141 GB, free: 15.2 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001954/0.9978, allocations: 188.6 kB / 1.142 GB, free: 15.16 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005408/0.9983, allocations: 211.4 kB / 1.142 GB, free: 15.16 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007171/1.005, allocations: 3.313 MB / 1.145 GB, free: 14.86 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.686e-05/1.006, allocations: 5.125 kB / 1.145 GB, free: 14.85 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002812/1.006, allocations: 77.94 kB / 1.145 GB, free: 14.79 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.007e-05/1.006, allocations: 47.81 kB / 1.145 GB, free: 14.79 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009027/1.015, allocations: 3.951 MB / 1.149 GB, free: 13.55 MB / 0.8731 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 0.02079/1.036, allocations: 10.01 MB / 1.159 GB, free: 6.434 MB / 0.8731 GB Notification: Performance of preOpt comSubExp (simulation): time 0.006964/1.043, allocations: 2.899 MB / 1.162 GB, free: 4.961 MB / 0.8731 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002937/1.046, allocations: 1.368 MB / 1.163 GB, free: 4.25 MB / 0.8731 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007842/1.047, allocations: 499.3 kB / 1.164 GB, free: 3.738 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003233/1.05, allocations: 1.618 MB / 1.165 GB, free: 2.781 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=166): time 3.717e-06/1.05, allocations: 0 / 1.165 GB, free: 2.781 MB / 0.8731 GB Notification: Performance of matching and sorting (n=166): time 0.0117/1.062, allocations: 4.696 MB / 1.17 GB, free: 164 kB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001317/1.062, allocations: 199.2 kB / 1.17 GB, free: 15.94 MB / 0.8887 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005218/1.067, allocations: 3.117 MB / 1.173 GB, free: 14.33 MB / 0.8887 GB Notification: Performance of collectPreVariables (initialization): time 0.0005643/1.067, allocations: 64.45 kB / 1.173 GB, free: 14.27 MB / 0.8887 GB Notification: Performance of collectInitialEqns (initialization): time 0.001184/1.069, allocations: 1.12 MB / 1.174 GB, free: 13.31 MB / 0.8887 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007289/1.069, allocations: 0.5491 MB / 1.175 GB, free: 12.84 MB / 0.8887 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007454/1.07, allocations: 423 kB / 1.175 GB, free: 12.61 MB / 0.8887 GB Notification: Performance of setup shared object (initialization): time 9.622e-05/1.07, allocations: 307.4 kB / 1.175 GB, free: 12.31 MB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002848/1.073, allocations: 1.363 MB / 1.177 GB, free: 11.61 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003117/1.076, allocations: 1.77 MB / 1.178 GB, free: 10.44 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005602/1.082, allocations: 2.982 MB / 1.181 GB, free: 8.645 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.925e-06/1.082, allocations: 2.844 kB / 1.181 GB, free: 8.645 MB / 0.8887 GB Notification: Performance of matching and sorting (n=236) (initialization): time 0.008301/1.09, allocations: 3.692 MB / 1.185 GB, free: 6.734 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 3.077e-05/1.09, allocations: 14.59 kB / 1.185 GB, free: 6.73 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.368e-05/1.09, allocations: 10.06 kB / 1.185 GB, free: 6.73 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001647/1.092, allocations: 370.9 kB / 1.185 GB, free: 6.551 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002506/1.094, allocations: 0.553 MB / 1.186 GB, free: 6.367 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005494/1.1, allocations: 5.696 MB / 1.191 GB, free: 0.9297 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004436/1.104, allocations: 485 kB / 1.192 GB, free: 0.6602 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005635/1.105, allocations: 98.36 kB / 1.192 GB, free: 0.625 MB / 0.8887 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 46 * Number of states: 0 () * Number of discrete variables: 23 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,bouConExt.HDifTil[1].incAng.decAng.tNext,$PRE.bouConExt.HDifTil[1].incAng.decAng.tNext,bouConExt.HDirTil[1].incAng.decAng.tNext,$PRE.bouConExt.HDirTil[1].incAng.decAng.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (223): * Single equations (assignments): 219 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,1,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,7), (1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.003681/1.109, allocations: 1.128 MB / 1.193 GB, free: 15.93 MB / 0.9044 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001348/1.11, allocations: 249.5 kB / 1.193 GB, free: 15.79 MB / 0.9044 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00915/1.119, allocations: 3.535 MB / 1.197 GB, free: 13.52 MB / 0.9044 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.062e-05/1.119, allocations: 19.98 kB / 1.197 GB, free: 13.5 MB / 0.9044 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.678e-06/1.119, allocations: 4 kB / 1.197 GB, free: 13.5 MB / 0.9044 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.619e-05/1.119, allocations: 11.91 kB / 1.197 GB, free: 13.49 MB / 0.9044 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005657/1.125, allocations: 2.944 MB / 1.2 GB, free: 10.54 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.813e-05/1.125, allocations: 0 / 1.2 GB, free: 10.54 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002334/1.127, allocations: 431.2 kB / 1.2 GB, free: 10.12 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001538/1.129, allocations: 349.2 kB / 1.2 GB, free: 9.77 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002973/1.129, allocations: 63.94 kB / 1.2 GB, free: 9.707 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004965/1.134, allocations: 5.717 MB / 1.206 GB, free: 3.539 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.924e-06/1.134, allocations: 0 / 1.206 GB, free: 3.539 MB / 0.9044 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0111/1.145, allocations: 4.884 MB / 1.211 GB, free: 14.62 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002455/1.148, allocations: 0.7824 MB / 1.212 GB, free: 13.81 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009889/1.149, allocations: 51.92 kB / 1.212 GB, free: 13.76 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002729/1.152, allocations: 303.5 kB / 1.212 GB, free: 13.46 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003205/1.152, allocations: 129.8 kB / 1.212 GB, free: 13.34 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001967/1.152, allocations: 67.94 kB / 1.212 GB, free: 13.27 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.004207/1.156, allocations: 2.224 MB / 1.214 GB, free: 11.04 MB / 0.92 GB Notification: Performance of sort global known variables: time 2.2e-07/1.156, allocations: 4 kB / 1.214 GB, free: 11.04 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.00311/1.159, allocations: 0.8303 MB / 1.215 GB, free: 10.2 MB / 0.92 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 5 (conExt[1].opa.lay[1].T[1],conExt[1].opa.lay[1].T[2],conExt[1].opa.lay[2].T[1],conExt[1].opa.lay[2].T[2],conExt[1].opa.lay[2].T[3]) * Number of discrete variables: 14 ($whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,bouConExt.HDirTil[1].incAng.decAng.tNext,bouConExt.HDifTil[1].incAng.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext) * Number of discrete states: 7 (bouConExt.HDirTil[1].incAng.decAng.tNext,bouConExt.HDifTil[1].incAng.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (172): * Single equations (assignments): 161 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 7 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,7), (1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001813/1.161, allocations: 0.7063 MB / 1.216 GB, free: 9.691 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.007207/1.168, allocations: 3.392 MB / 1.219 GB, free: 6.258 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 5.791e-06/1.169, allocations: 4.188 kB / 1.219 GB, free: 6.254 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.003769/1.172, allocations: 1.817 MB / 1.221 GB, free: 4.406 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004901/1.177, allocations: 0.8088 MB / 1.222 GB, free: 3.629 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0143/1.192, allocations: 6.7 MB / 1.228 GB, free: 12.91 MB / 0.9356 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002759/1.194, allocations: 2.345 MB / 1.23 GB, free: 10.52 MB / 0.9356 GB Notification: Performance of simCode: alias equations: time 0.003471/1.198, allocations: 0.9202 MB / 1.231 GB, free: 9.598 MB / 0.9356 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001329/1.199, allocations: 223.3 kB / 1.232 GB, free: 9.379 MB / 0.9356 GB Notification: Performance of SimCode: time 7.71e-07/1.199, allocations: 3.938 kB / 1.232 GB, free: 9.375 MB / 0.9356 GB Notification: Performance of Templates: time 0.07548/1.275, allocations: 47.21 MB / 1.278 GB, free: 10.61 MB / 0.9825 GB make -j1 -f Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.makefile (rm -f Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.pipe ; mkfifo Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.pipe ; head -c 1048576 < Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.pipe >> ../files/Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.sim & ./Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall -abortSlowSimulation -alarm=480 -s gbode -emit_protected -lv LOG_STATS > Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_ThermalZones_Detailed_Constructions_Examples_ExteriorWall.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches