Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization.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 3.2.3+maint.om/package.mo", uses=false) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Modelica.Fluid.Examples.InverseParameterization,tolerance=1e-06,outputFormat="mat",numberOfIntervals=20000,variableFilter="time|sink.ports.1..m_flow|sink1.ports.1..m_flow|sink2.ports.1..m_flow|pipe1.flowModel.dps_fg_turbulent.1.|pipe1.flowModel.pathLengths_nominal.1.|pipe2.flowModel.pathLengths_nominal.1.",fileNamePrefix="Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization") translateModel(Modelica.Fluid.Examples.InverseParameterization,tolerance=1e-06,outputFormat="mat",numberOfIntervals=20000,variableFilter="time|sink.ports.1..m_flow|sink1.ports.1..m_flow|sink2.ports.1..m_flow|pipe1.flowModel.dps_fg_turbulent.1.|pipe1.flowModel.pathLengths_nominal.1.|pipe2.flowModel.pathLengths_nominal.1.",fileNamePrefix="Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001155/0.001155, allocations: 97.88 kB / 16.93 MB, free: 5.984 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00131/0.00131, allocations: 179.3 kB / 17.82 MB, free: 5.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.598/1.598, allocations: 205.4 MB / 224 MB, free: 13.16 MB / 190.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0006808/0.0006808, allocations: 8 kB / 280.7 MB, free: 3.766 MB / 222.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1371/0.1378, allocations: 47.58 MB / 328.3 MB, free: 4.117 MB / 270.1 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.InverseParameterization): time 0.2527/0.3906, allocations: 60.84 MB / 389.2 MB, free: 11.96 MB / 318.1 MB Notification: Performance of NFInst.instExpressions: time 0.02682/0.4175, allocations: 21.65 MB / 410.8 MB, free: 11.58 MB / 318.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002122/0.4196, allocations: 45.31 kB / 410.9 MB, free: 11.55 MB / 318.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002386/0.422, allocations: 0.6843 MB / 411.5 MB, free: 11.34 MB / 318.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01762/0.4397, allocations: 5.06 MB / 416.6 MB, free: 9.582 MB / 318.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.01217/0.4519, allocations: 3.605 MB / 420.2 MB, free: 7.699 MB / 318.1 MB Notification: Performance of NFFlatten.flatten: time 0.005102/0.457, allocations: 2.069 MB / 422.3 MB, free: 6.801 MB / 318.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001508/0.4585, allocations: 0.8579 MB / 423.1 MB, free: 6.234 MB / 318.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00336/0.4619, allocations: 1.263 MB / 424.4 MB, free: 5.516 MB / 318.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.02208/0.484, allocations: 14.92 MB / 439.3 MB, free: 9.816 MB / 334.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0005464/0.4846, allocations: 84 kB / 439.4 MB, free: 9.734 MB / 334.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.02375/0.5083, allocations: 11.12 MB / 450.5 MB, free: 14.61 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0008585/0.5092, allocations: 406.8 kB / 450.9 MB, free: 14.21 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0008386/0.5101, allocations: 321 kB / 451.2 MB, free: 13.89 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01076/0.5208, allocations: 4.779 MB / 456 MB, free: 9.102 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.466e-06/0.5209, allocations: 0 / 456 MB, free: 9.102 MB / 350.1 MB Notification: Performance of FrontEnd: time 1.903e-06/0.5209, allocations: 0 / 456 MB, free: 9.102 MB / 350.1 MB Notification: Performance of Transformations before backend: time 2.788e-05/0.5209, allocations: 0 / 456 MB, free: 9.102 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 287 * Number of variables: 287 Notification: Performance of Generate backend data structure: time 0.008235/0.5292, allocations: 2.576 MB / 458.6 MB, free: 6.469 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.468e-05/0.5292, allocations: 8.031 kB / 458.6 MB, free: 6.461 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004283/0.5335, allocations: 0.5857 MB / 459.2 MB, free: 5.875 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001897/0.5354, allocations: 0.9648 MB / 460.1 MB, free: 4.871 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001063/0.5355, allocations: 95.86 kB / 460.2 MB, free: 4.777 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001817/0.5357, allocations: 111.9 kB / 460.3 MB, free: 4.668 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005038/0.5408, allocations: 2.249 MB / 462.6 MB, free: 2.301 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.367e-05/0.5408, allocations: 0 / 462.6 MB, free: 2.301 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000156/0.541, allocations: 51.98 kB / 462.6 MB, free: 2.25 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001045/0.5411, allocations: 89.95 kB / 462.7 MB, free: 2.16 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005441/0.5465, allocations: 2.385 MB / 465.1 MB, free: 15.77 MB / 366.1 MB 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 0.01302/0.5596, allocations: 9.256 MB / 474.4 MB, free: 5.902 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.004905/0.5645, allocations: 1.936 MB / 476.3 MB, free: 3.965 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.04961/0.6141, allocations: 24.77 MB / 0.4893 GB, free: 8.254 MB / 398.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.917e-05/0.6142, allocations: 51.55 kB / 0.4894 GB, free: 8.195 MB / 398.1 MB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001161/0.6154, allocations: 166.7 kB / 0.4895 GB, free: 8.031 MB / 398.1 MB Notification: Performance of pre-optimization done (n=109): time 6.993e-06/0.6154, allocations: 0 / 0.4895 GB, free: 8.031 MB / 398.1 MB Notification: Performance of matching and sorting (n=109): time 0.0199/0.6353, allocations: 4.72 MB / 0.4941 GB, free: 3.285 MB / 398.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001417/0.6355, allocations: 222.6 kB / 0.4944 GB, free: 3.02 MB / 398.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001534/0.6371, allocations: 0.9631 MB / 0.4953 GB, free: 2.039 MB / 398.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002377/0.6373, allocations: 41.7 kB / 0.4953 GB, free: 1.992 MB / 398.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004692/0.6378, allocations: 0.5618 MB / 0.4959 GB, free: 1.422 MB / 398.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004472/0.6383, allocations: 370.6 kB / 0.4962 GB, free: 1.055 MB / 398.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001008/0.6384, allocations: 28 kB / 0.4963 GB, free: 1.027 MB / 398.1 MB Notification: Performance of setup shared object (initialization): time 0.0001612/0.6385, allocations: 357.9 kB / 0.4966 GB, free: 0.6719 MB / 398.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001425/0.64, allocations: 0.6584 MB / 0.4973 GB, free: 16 kB / 398.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001699/0.6417, allocations: 1.036 MB / 0.4983 GB, free: 14.83 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001648/0.6433, allocations: 0.7681 MB / 0.499 GB, free: 14.07 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.125e-05/0.6434, allocations: 4 kB / 0.499 GB, free: 14.06 MB / 414.1 MB Notification: Performance of matching and sorting (n=158) (initialization): time 0.004563/0.6479, allocations: 2.109 MB / 0.5011 GB, free: 11.94 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.001493/0.6495, allocations: 3.745 MB / 0.5047 GB, free: 7.902 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.955e-05/0.6495, allocations: 12 kB / 0.5047 GB, free: 7.891 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.02791/0.6774, allocations: 3.06 MB / 0.5077 GB, free: 4.824 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001237/0.6787, allocations: 283.6 kB / 0.508 GB, free: 4.547 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002861/0.6816, allocations: 1.481 MB / 0.5095 GB, free: 3.039 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001619/0.6832, allocations: 139.7 kB / 0.5096 GB, free: 2.902 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002651/0.6835, allocations: 75.95 kB / 0.5097 GB, free: 2.828 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.285e-05/0.6835, allocations: 4 kB / 0.5097 GB, free: 2.824 MB / 414.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.004942/0.6885, allocations: 1.863 MB / 0.5115 GB, free: 0.957 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.419e-05/0.6885, allocations: 11.95 kB / 0.5115 GB, free: 0.9453 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008312/0.6894, allocations: 203.7 kB / 0.5117 GB, free: 0.7461 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00153/0.6909, allocations: 351.5 kB / 0.512 GB, free: 412 kB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008945/0.6918, allocations: 0.7475 MB / 0.5128 GB, free: 15.62 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001443/0.6933, allocations: 135.8 kB / 0.5129 GB, free: 15.49 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000181/0.6935, allocations: 67.97 kB / 0.5129 GB, free: 15.43 MB / 430.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 43 * Number of states: 0 () * Number of discrete variables: 12 (pipe2.flowModel.states[2].phase,pipe2.flowModel.states[1].phase,pipe1.flowModel.states[2].phase,pipe1.flowModel.states[1].phase,source.medium.phase,pump.heatTransfer.states[1].phase,sink.medium.phase,sink1.medium.phase,sink2.medium.phase,orifice.state_b.phase,orifice.state_a.phase,pump.monitoring.state_in.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (129): * Single equations (assignments): 128 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {6 24} Notification: Performance of prepare postOptimizeDAE: time 0.0007741/0.6943, allocations: 432.6 kB / 0.5134 GB, free: 14.99 MB / 430.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002998/0.6946, allocations: 130.4 kB / 0.5135 GB, free: 14.86 MB / 430.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00776/0.7023, allocations: 5.694 MB / 0.519 GB, free: 9.133 MB / 430.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.832e-05/0.7024, allocations: 59.91 kB / 0.5191 GB, free: 9.074 MB / 430.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.203e-05/0.7024, allocations: 3.953 kB / 0.5191 GB, free: 9.07 MB / 430.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.422e-05/0.7024, allocations: 7.969 kB / 0.5191 GB, free: 9.062 MB / 430.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0123/0.7148, allocations: 7.733 MB / 0.5267 GB, free: 1.238 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.02e-05/0.7148, allocations: 8.062 kB / 0.5267 GB, free: 1.23 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008537/0.7157, allocations: 211.7 kB / 0.5269 GB, free: 1.023 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.02463/0.7403, allocations: 3.924 MB / 0.5307 GB, free: 13.09 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002818/0.7406, allocations: 31.98 kB / 0.5307 GB, free: 13.06 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003367/0.744, allocations: 2.404 MB / 0.5331 GB, free: 10.63 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.946e-06/0.744, allocations: 0 / 0.5331 GB, free: 10.63 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006076/0.7501, allocations: 3.699 MB / 0.5367 GB, free: 6.859 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001116/0.7513, allocations: 0.6412 MB / 0.5373 GB, free: 6.195 MB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003455/0.7516, allocations: 20 kB / 0.5373 GB, free: 6.176 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001236/0.7529, allocations: 127.8 kB / 0.5375 GB, free: 6.051 MB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002222/0.7531, allocations: 101.1 kB / 0.5376 GB, free: 5.953 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001006/0.7532, allocations: 47.98 kB / 0.5376 GB, free: 5.906 MB / 446.1 MB Notification: Performance of sorting global known variables: time 0.001539/0.7548, allocations: 1.062 MB / 0.5386 GB, free: 4.852 MB / 446.1 MB Notification: Performance of sort global known variables: time 2e-07/0.7548, allocations: 0 / 0.5386 GB, free: 4.852 MB / 446.1 MB Notification: Performance of remove unused functions: time 0.005268/0.76, allocations: 1.858 MB / 0.5405 GB, free: 2.992 MB / 446.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 35 ($cse3.phase,$cse3.region,$cse5.region3boundary,$cse6.region3boundary,$cse7.phase,$cse7.region,$cse8.phase,$cse8.region,$cse14.phase,$cse14.region,$cse15.phase,$cse15.region,$cse18.phase,$cse18.region,$cse20.phase,$cse20.region,$cse22.phase,$cse22.region,$cse27.phase,$cse27.region,$cse29.phase,$cse29.region,$cse30.phase,$cse30.region,$cse33.phase,$cse33.region,$cse36.phase,$cse36.region,$cse37.phase,$cse37.region,source.medium.phase,pump.heatTransfer.states[1].phase,sink.medium.phase,sink1.medium.phase,sink2.medium.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (93): * Single equations (assignments): 80 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 12 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {6 35} Notification: Performance of Backend phase and start with SimCode phase: time 0.005515/0.7656, allocations: 1.546 MB / 0.542 GB, free: 1.441 MB / 446.1 MB Notification: Performance of simCode: created initialization part: time 0.203/0.9686, allocations: 3.038 MB / 0.5449 GB, free: 172.1 MB / 446.1 MB Notification: Performance of simCode: created event and clocks part: time 1.424e-05/0.9686, allocations: 8.016 kB / 0.5449 GB, free: 172.1 MB / 446.1 MB Notification: Performance of simCode: created simulation system equations: time 0.005339/0.974, allocations: 1.49 MB / 0.5464 GB, free: 172 MB / 446.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00678/0.9808, allocations: 0.6679 MB / 0.547 GB, free: 172 MB / 446.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01296/0.9938, allocations: 5.317 MB / 0.5522 GB, free: 169.3 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002051/0.9959, allocations: 1.632 MB / 0.5538 GB, free: 168.5 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.003427/0.9993, allocations: 1.486 MB / 0.5553 GB, free: 168.5 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004493/0.9998, allocations: 110.2 kB / 0.5554 GB, free: 168.4 MB / 446.1 MB Notification: Performance of SimCode: time 6.71e-07/0.9998, allocations: 0 / 0.5554 GB, free: 168.4 MB / 446.1 MB Notification: Performance of Templates: time 0.08391/1.084, allocations: 68.32 MB / 0.6221 GB, free: 107.3 MB / 446.1 MB make -j1 -f Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization.makefile Environment - environmentSimulation: (rm -f Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization.pipe ; mkfifo Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization.pipe >> ../files/Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization.sim & ./Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization.pipe 2>&1) Environment - environmentSimulation: diffSimulationResults("Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Fluid/Examples/InverseParameterization/InverseParameterization.csv","../files/Modelica_3.2.3_Modelica.Fluid.Examples.InverseParameterization.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches