Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection.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 11.0.0-master/package.mo", uses=false) Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/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.HeatTransfer.Windows.BaseClasses.Examples.GasConvection,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|conVer.hCon|conCei.hCon|conFlo.hCon|conVer.q_flow|conCei.q_flow|conFlo.q_flow|conVer.Ra|conCei.Ra|conFlo.Ra|conVer.Nu|conCei.Nu|conFlo.Nu",fileNamePrefix="Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection") translateModel(Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|conVer.hCon|conCei.hCon|conFlo.hCon|conVer.q_flow|conCei.q_flow|conFlo.q_flow|conVer.Ra|conCei.Ra|conFlo.Ra|conVer.Nu|conCei.Nu|conFlo.Nu",fileNamePrefix="Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001608/0.001608, allocations: 111.1 kB / 16.37 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 0.00178/0.00178, allocations: 193.7 kB / 17.31 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.345/1.345, allocations: 222.9 MB / 241 MB, free: 4.207 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.561/2.561, allocations: 442.5 MB / 0.7165 GB, free: 15.48 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001237/0.001237, allocations: 65.39 kB / 0.8773 GB, free: 42.2 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2384/0.2396, allocations: 153 MB / 1.027 GB, free: 7.402 MB / 0.7794 GB Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection): time 0.003609/0.2433, allocations: 2.842 MB / 1.03 GB, free: 4.547 MB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.003586/0.2469, allocations: 2.96 MB / 1.032 GB, free: 1.57 MB / 0.7794 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001111/0.247, allocations: 4 kB / 1.032 GB, free: 1.566 MB / 0.7794 GB Notification: Performance of NFTyping.typeComponents: time 0.0002195/0.2472, allocations: 79.28 kB / 1.032 GB, free: 1.488 MB / 0.7794 GB Notification: Performance of NFTyping.typeBindings: time 0.0004336/0.2477, allocations: 217.6 kB / 1.033 GB, free: 1.277 MB / 0.7794 GB Notification: Performance of NFTyping.typeClassSections: time 0.001109/0.2488, allocations: 0.6033 MB / 1.033 GB, free: 0.6719 MB / 0.7794 GB Notification: Performance of NFFlatten.flatten: time 0.0005218/0.2493, allocations: 0.5407 MB / 1.034 GB, free: 132 kB / 0.7794 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001833/0.2495, allocations: 106.7 kB / 1.034 GB, free: 20 kB / 0.7794 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001883/0.2497, allocations: 191.3 kB / 1.034 GB, free: 15.83 MB / 0.795 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002144/0.2499, allocations: 219.1 kB / 1.034 GB, free: 15.62 MB / 0.795 GB Notification: Performance of NFPackage.collectConstants: time 5.655e-05/0.25, allocations: 44 kB / 1.034 GB, free: 15.57 MB / 0.795 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0006319/0.2506, allocations: 391.6 kB / 1.035 GB, free: 15.19 MB / 0.795 GB Notification: Performance of NFScalarize.scalarize: time 7.544e-05/0.2507, allocations: 91.67 kB / 1.035 GB, free: 15.1 MB / 0.795 GB Notification: Performance of NFVerifyModel.verify: time 0.000191/0.2509, allocations: 215 kB / 1.035 GB, free: 14.89 MB / 0.795 GB Notification: Performance of NFConvertDAE.convert: time 0.0007763/0.2517, allocations: 0.7245 MB / 1.036 GB, free: 14.16 MB / 0.795 GB Notification: Performance of FrontEnd - DAE generated: time 3.807e-06/0.2517, allocations: 0 / 1.036 GB, free: 14.16 MB / 0.795 GB Notification: Performance of FrontEnd: time 1.313e-06/0.2517, allocations: 4 kB / 1.036 GB, free: 14.16 MB / 0.795 GB Notification: Performance of Transformations before backend: time 7.915e-06/0.2517, allocations: 0 / 1.036 GB, free: 14.16 MB / 0.795 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 65 * Number of variables: 65 Notification: Performance of Generate backend data structure: time 0.001014/0.2527, allocations: 0.7557 MB / 1.036 GB, free: 13.36 MB / 0.795 GB Notification: Performance of prepare preOptimizeDAE: time 2.953e-05/0.2528, allocations: 8.031 kB / 1.036 GB, free: 13.35 MB / 0.795 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.09178/0.3446, allocations: 12.2 MB / 1.048 GB, free: 1.133 MB / 0.795 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00205/0.3466, allocations: 0.9324 MB / 1.049 GB, free: 164 kB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.313e-05/0.3467, allocations: 20.94 kB / 1.049 GB, free: 144 kB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004981/0.3472, allocations: 28.38 kB / 1.049 GB, free: 116 kB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01506/0.3623, allocations: 3.738 MB / 1.053 GB, free: 12.37 MB / 0.8106 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.141e-05/0.3623, allocations: 4 kB / 1.053 GB, free: 12.36 MB / 0.8106 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002511/0.3625, allocations: 12 kB / 1.053 GB, free: 12.35 MB / 0.8106 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.047e-05/0.3626, allocations: 8 kB / 1.053 GB, free: 12.34 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01364/0.3762, allocations: 2.965 MB / 1.056 GB, free: 9.371 MB / 0.8106 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 0.01462/0.3908, allocations: 17.14 MB / 1.073 GB, free: 4.66 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01354/0.4044, allocations: 2.938 MB / 1.076 GB, free: 1.711 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01338/0.4178, allocations: 2.792 MB / 1.078 GB, free: 14.91 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 9.891e-05/0.4179, allocations: 35.92 kB / 1.078 GB, free: 14.88 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.485e-05/0.4179, allocations: 42.48 kB / 1.078 GB, free: 14.83 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=22): time 2.335e-06/0.418, allocations: 0 / 1.078 GB, free: 14.83 MB / 0.8419 GB Notification: Performance of matching and sorting (n=22): time 0.0408/0.4588, allocations: 8.538 MB / 1.087 GB, free: 6.277 MB / 0.8419 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.747e-05/0.4588, allocations: 51.41 kB / 1.087 GB, free: 6.215 MB / 0.8419 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003747/0.4592, allocations: 349.7 kB / 1.087 GB, free: 5.867 MB / 0.8419 GB Notification: Performance of collectPreVariables (initialization): time 0.0004412/0.4597, allocations: 33.7 kB / 1.087 GB, free: 5.828 MB / 0.8419 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002057/0.4599, allocations: 200.4 kB / 1.087 GB, free: 5.629 MB / 0.8419 GB Notification: Performance of collectInitialBindings (initialization): time 0.00026/0.4602, allocations: 70.86 kB / 1.087 GB, free: 5.559 MB / 0.8419 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001313/0.4615, allocations: 480.9 kB / 1.088 GB, free: 5.082 MB / 0.8419 GB Notification: Performance of setup shared object (initialization): time 0.0001137/0.4616, allocations: 346.8 kB / 1.088 GB, free: 4.734 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01866/0.4803, allocations: 3.9 MB / 1.092 GB, free: 0.8281 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01913/0.4994, allocations: 3.934 MB / 1.096 GB, free: 12.88 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.03099/0.5304, allocations: 6.2 MB / 1.102 GB, free: 6.672 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.734e-06/0.5305, allocations: 0 / 1.102 GB, free: 6.672 MB / 0.8575 GB Notification: Performance of matching and sorting (n=37) (initialization): time 0.03934/0.5698, allocations: 8.038 MB / 1.11 GB, free: 14.62 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 2.67e-05/0.5699, allocations: 9.719 kB / 1.11 GB, free: 14.61 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.03451/0.6044, allocations: 7.287 MB / 1.117 GB, free: 7.32 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.045e-05/0.6045, allocations: 4 kB / 1.117 GB, free: 7.316 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01374/0.6182, allocations: 1.916 MB / 1.119 GB, free: 5.398 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.041e-05/0.6182, allocations: 0 / 1.119 GB, free: 5.398 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01238/0.6306, allocations: 1.506 MB / 1.12 GB, free: 3.891 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006384/0.6313, allocations: 203.5 kB / 1.12 GB, free: 3.691 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0188/0.6501, allocations: 3.989 MB / 1.124 GB, free: 15.69 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.01877/0.6689, allocations: 3.923 MB / 1.128 GB, free: 11.75 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0309/0.6998, allocations: 6.195 MB / 1.134 GB, free: 5.551 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.088e-06/0.6999, allocations: 0 / 1.134 GB, free: 5.551 MB / 0.8887 GB Notification: Performance of matching and sorting (n=37) (initialization_lambda0): time 0.03822/0.7381, allocations: 8.037 MB / 1.142 GB, free: 13.5 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 1.546e-05/0.7381, allocations: 4 kB / 1.142 GB, free: 13.5 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.03318/0.7713, allocations: 7.279 MB / 1.149 GB, free: 6.215 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.678e-06/0.7714, allocations: 96 / 1.149 GB, free: 6.215 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0134/0.7848, allocations: 1.916 MB / 1.151 GB, free: 4.297 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.363e-05/0.7848, allocations: 0 / 1.151 GB, free: 4.297 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01185/0.7967, allocations: 1.506 MB / 1.152 GB, free: 2.789 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007509/0.7974, allocations: 203.5 kB / 1.153 GB, free: 2.59 MB / 0.9044 GB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (37): * Single equations (assignments): 37 * 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 0.000777/0.7982, allocations: 200.1 kB / 1.153 GB, free: 2.387 MB / 0.9044 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000448/0.7987, allocations: 35.53 kB / 1.153 GB, free: 2.352 MB / 0.9044 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02914/0.8278, allocations: 6.693 MB / 1.159 GB, free: 11.65 MB / 0.92 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.103e-05/0.8279, allocations: 4 kB / 1.159 GB, free: 11.64 MB / 0.92 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.368e-06/0.8279, allocations: 3.984 kB / 1.159 GB, free: 11.64 MB / 0.92 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.34e-06/0.8279, allocations: 3.938 kB / 1.159 GB, free: 11.64 MB / 0.92 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004942/0.8329, allocations: 6.487 MB / 1.166 GB, free: 3.652 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0263/0.8592, allocations: 5.626 MB / 1.171 GB, free: 14.02 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01128/0.8705, allocations: 1.631 MB / 1.173 GB, free: 12.38 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.103e-06/0.8705, allocations: 0 / 1.173 GB, free: 12.38 MB / 0.9356 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000404/0.8709, allocations: 171.5 kB / 1.173 GB, free: 12.21 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.346e-06/0.8709, allocations: 4 kB / 1.173 GB, free: 12.21 MB / 0.9356 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.793e-06/0.8709, allocations: 3.938 kB / 1.173 GB, free: 12.21 MB / 0.9356 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02571/0.8967, allocations: 5.775 MB / 1.179 GB, free: 6.41 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001175/0.8979, allocations: 0.5661 MB / 1.179 GB, free: 5.824 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003883/0.8983, allocations: 12 kB / 1.179 GB, free: 5.812 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.009979/0.9082, allocations: 1.253 MB / 1.18 GB, free: 4.559 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001177/0.9084, allocations: 39.92 kB / 1.18 GB, free: 4.52 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004216/0.9088, allocations: 179.5 kB / 1.181 GB, free: 4.344 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.0002461/0.9091, allocations: 235.2 kB / 1.181 GB, free: 4.117 MB / 0.9356 GB Notification: Performance of sort global known variables: time 1.5e-07/0.9091, allocations: 4 kB / 1.181 GB, free: 4.113 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.002283/0.9113, allocations: 0.5895 MB / 1.181 GB, free: 3.523 MB / 0.9356 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 (34): * Single equations (assignments): 34 * 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 0.0005271/0.9119, allocations: 171.1 kB / 1.182 GB, free: 3.344 MB / 0.9356 GB Notification: Performance of simCode: created initialization part: time 0.04772/0.9596, allocations: 10.29 MB / 1.192 GB, free: 9.047 MB / 0.9512 GB Notification: Performance of simCode: created event and clocks part: time 5.27e-06/0.9596, allocations: 0 / 1.192 GB, free: 9.047 MB / 0.9512 GB Notification: Performance of simCode: created simulation system equations: time 0.01329/0.9729, allocations: 2.911 MB / 1.194 GB, free: 6.133 MB / 0.9512 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008912/0.9739, allocations: 85.39 kB / 1.195 GB, free: 6.047 MB / 0.9512 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01361/0.9875, allocations: 3.229 MB / 1.198 GB, free: 2.785 MB / 0.9512 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003279/0.9878, allocations: 0.7923 MB / 1.198 GB, free: 1.961 MB / 0.9512 GB Notification: Performance of simCode: alias equations: time 0.007571/0.9954, allocations: 1.63 MB / 1.2 GB, free: 340 kB / 0.9512 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002649/0.9981, allocations: 0.5021 MB / 1.201 GB, free: 15.83 MB / 0.9669 GB Notification: Performance of SimCode: time 9.72e-07/0.9981, allocations: 0 / 1.201 GB, free: 15.83 MB / 0.9669 GB Notification: Performance of Templates: time 0.6047/1.603, allocations: 84.76 MB / 1.283 GB, free: 197.6 MB / 0.9981 GB make -j1 -f Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection.makefile (rm -f Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection.pipe ; mkfifo Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection.pipe ; head -c 1048576 < Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection.pipe >> ../files/Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection.sim & ./Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection -abortSlowSimulation -alarm=480 -s gbode -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_HeatTransfer_Windows_BaseClasses_Examples_GasConvection.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.HeatTransfer.Windows.BaseClasses.Examples.GasConvection.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches