Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.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/ScalableTestSuite 2.2.0-master/package.mo", uses=false) Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-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(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20,tolerance=1e-08,outputFormat="mat",numberOfIntervals=5000,variableFilter="QA.1.|QA.2.|QA.3.|QB.1.|QB.2.|QB.3.|TA.1.|TA.20.|TA.2.|TA.3.|TB.1.|TB.20.|TB.2.|TB.3.|TW.1.|TW.2.|TW.3.|der.TA.20..|der.TA.2..|der.TA.3..|der.TB.20..|der.TB.2..|der.TB.3..|der.TW.1..|der.TW.2..|der.TW.3..|time|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20") translateModel(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20,tolerance=1e-08,outputFormat="mat",numberOfIntervals=5000,variableFilter="QA.1.|QA.2.|QA.3.|QB.1.|QB.2.|QB.3.|TA.1.|TA.20.|TA.2.|TA.3.|TB.1.|TB.20.|TB.2.|TB.3.|TW.1.|TW.2.|TW.3.|der.TA.20..|der.TA.2..|der.TA.3..|der.TB.20..|der.TB.2..|der.TB.3..|der.TW.1..|der.TW.2..|der.TW.3..|time|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001375/0.001375, allocations: 110 kB / 17.68 MB, free: 5.332 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001544/0.001545, allocations: 190.9 kB / 18.62 MB, free: 4.41 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.451/1.451, allocations: 222.9 MB / 242.3 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/package.mo): time 1.188/1.188, allocations: 119.3 MB / 411.8 MB, free: 9.488 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001492/0.001492, allocations: 63.89 kB / 0.4937 GB, free: 11.6 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4564/0.4579, allocations: 80.69 MB / 0.5725 GB, free: 43.93 MB / 462.3 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20): time 0.002434/0.4604, allocations: 1.461 MB / 0.5739 GB, free: 42.78 MB / 462.3 MB Notification: Performance of NFInst.instExpressions: time 0.0004159/0.4608, allocations: 97.94 kB / 0.574 GB, free: 42.7 MB / 462.3 MB Notification: Performance of NFInst.updateImplicitVariability: time 5.936e-05/0.4609, allocations: 1.281 kB / 0.574 GB, free: 42.7 MB / 462.3 MB Notification: Performance of NFTyping.typeComponents: time 0.0001794/0.4611, allocations: 8.984 kB / 0.574 GB, free: 42.69 MB / 462.3 MB Notification: Performance of NFTyping.typeBindings: time 0.0001957/0.4613, allocations: 62.88 kB / 0.5741 GB, free: 42.64 MB / 462.3 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003122/0.4617, allocations: 34.39 kB / 0.5741 GB, free: 42.62 MB / 462.3 MB Notification: Performance of NFFlatten.flatten: time 0.001218/0.4629, allocations: 1.093 MB / 0.5752 GB, free: 42.03 MB / 462.3 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001231/0.463, allocations: 7.25 kB / 0.5752 GB, free: 42.03 MB / 462.3 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0006486/0.4637, allocations: 396.2 kB / 0.5756 GB, free: 41.86 MB / 462.3 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0008956/0.4646, allocations: 0.5253 MB / 0.5761 GB, free: 41.52 MB / 462.3 MB Notification: Performance of NFPackage.collectConstants: time 0.0001621/0.4648, allocations: 61.88 kB / 0.5762 GB, free: 41.52 MB / 462.3 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001512/0.4649, allocations: 60.56 kB / 0.5762 GB, free: 41.52 MB / 462.3 MB Notification: Performance of NFScalarize.scalarize: time 0.0002887/0.4652, allocations: 378.9 kB / 0.5766 GB, free: 41.27 MB / 462.3 MB Notification: Performance of NFVerifyModel.verify: time 0.0005384/0.4658, allocations: 384.9 kB / 0.5769 GB, free: 41.04 MB / 462.3 MB Notification: Performance of NFConvertDAE.convert: time 0.0006514/0.4664, allocations: 0.6511 MB / 0.5776 GB, free: 40.68 MB / 462.3 MB Notification: Performance of FrontEnd - DAE generated: time 7.384e-06/0.4664, allocations: 0 / 0.5776 GB, free: 40.68 MB / 462.3 MB Notification: Performance of FrontEnd: time 1.703e-06/0.4664, allocations: 0 / 0.5776 GB, free: 40.68 MB / 462.3 MB Notification: Performance of Transformations before backend: time 1.14e-05/0.4665, allocations: 5.375 kB / 0.5776 GB, free: 40.68 MB / 462.3 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 138 * Number of variables: 138 Notification: Performance of Generate backend data structure: time 0.00443/0.4709, allocations: 1.429 MB / 0.579 GB, free: 39.77 MB / 462.3 MB Notification: Performance of prepare preOptimizeDAE: time 4.491e-05/0.471, allocations: 17.98 kB / 0.579 GB, free: 39.76 MB / 462.3 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001737/0.4711, allocations: 65.25 kB / 0.5791 GB, free: 39.73 MB / 462.3 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005974/0.4717, allocations: 355.2 kB / 0.5794 GB, free: 39.45 MB / 462.3 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.258e-05/0.4718, allocations: 54.53 kB / 0.5795 GB, free: 39.42 MB / 462.3 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001849/0.472, allocations: 102.8 kB / 0.5796 GB, free: 39.38 MB / 462.3 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001349/0.4734, allocations: 0.8809 MB / 0.5804 GB, free: 38.88 MB / 462.3 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.549e-05/0.4734, allocations: 4.125 kB / 0.5804 GB, free: 38.87 MB / 462.3 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.217e-05/0.4735, allocations: 29 kB / 0.5804 GB, free: 38.85 MB / 462.3 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.988e-05/0.4735, allocations: 13.88 kB / 0.5805 GB, free: 38.85 MB / 462.3 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001248/0.4747, allocations: 0.7674 MB / 0.5812 GB, free: 38.52 MB / 462.3 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00581/0.4806, allocations: 4.312 MB / 0.5854 GB, free: 34.82 MB / 462.3 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001376/0.482, allocations: 0.987 MB / 0.5864 GB, free: 34.34 MB / 462.3 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007873/0.4828, allocations: 0.6748 MB / 0.587 GB, free: 33.82 MB / 462.3 MB Notification: Performance of preOpt evalFunc (simulation): time 0.000101/0.4829, allocations: 13 kB / 0.5871 GB, free: 33.81 MB / 462.3 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.935e-05/0.4829, allocations: 43.5 kB / 0.5871 GB, free: 33.76 MB / 462.3 MB Notification: Performance of pre-optimization done (n=99): time 2.585e-06/0.4829, allocations: 0 / 0.5871 GB, free: 33.76 MB / 462.3 MB Notification: Performance of matching and sorting (n=99): time 0.002285/0.4852, allocations: 1.66 MB / 0.5887 GB, free: 32.09 MB / 462.3 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.395e-05/0.4852, allocations: 68.41 kB / 0.5888 GB, free: 32.01 MB / 462.3 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 7.939e-05/0.4853, allocations: 145.8 kB / 0.5889 GB, free: 31.86 MB / 462.3 MB Notification: Performance of collectPreVariables (initialization): time 6.821e-05/0.4854, allocations: 49.7 kB / 0.589 GB, free: 31.8 MB / 462.3 MB Notification: Performance of collectInitialEqns (initialization): time 5.357e-05/0.4855, allocations: 153.8 kB / 0.5891 GB, free: 31.65 MB / 462.3 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001718/0.4856, allocations: 410.1 kB / 0.5895 GB, free: 31.24 MB / 462.3 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002907/0.4859, allocations: 227 kB / 0.5897 GB, free: 31.02 MB / 462.3 MB Notification: Performance of setup shared object (initialization): time 5.803e-05/0.486, allocations: 362.8 kB / 0.5901 GB, free: 30.65 MB / 462.3 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007445/0.4867, allocations: 0.5764 MB / 0.5906 GB, free: 30.07 MB / 462.3 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007709/0.4875, allocations: 0.6638 MB / 0.5913 GB, free: 29.41 MB / 462.3 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001471/0.489, allocations: 1.27 MB / 0.5925 GB, free: 28.14 MB / 462.3 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.537e-06/0.489, allocations: 0 / 0.5925 GB, free: 28.14 MB / 462.3 MB Notification: Performance of matching and sorting (n=157) (initialization): time 0.002006/0.491, allocations: 1.472 MB / 0.594 GB, free: 26.66 MB / 462.3 MB Notification: Performance of prepare postOptimizeDAE: time 1.56e-05/0.491, allocations: 11.92 kB / 0.594 GB, free: 26.64 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.693e-06/0.4911, allocations: 4.031 kB / 0.594 GB, free: 26.64 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.114e-05/0.4911, allocations: 8 kB / 0.594 GB, free: 26.63 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002024/0.4931, allocations: 0.5268 MB / 0.5945 GB, free: 26.11 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.16e-05/0.4931, allocations: 8 kB / 0.5945 GB, free: 26.1 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006948/0.4938, allocations: 119 kB / 0.5946 GB, free: 25.98 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.159e-05/0.4939, allocations: 36 kB / 0.5946 GB, free: 25.95 MB / 462.3 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 2 * 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 (157): * Single equations (assignments): 157 * 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 0.0002184/0.4942, allocations: 217.5 kB / 0.5949 GB, free: 25.72 MB / 462.3 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.979e-05/0.4943, allocations: 47.47 kB / 0.5949 GB, free: 25.68 MB / 462.3 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002645/0.4945, allocations: 148 kB / 0.595 GB, free: 25.53 MB / 462.3 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.463e-06/0.4945, allocations: 12 kB / 0.5951 GB, free: 25.52 MB / 462.3 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.963e-06/0.4946, allocations: 0 / 0.5951 GB, free: 25.52 MB / 462.3 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.874e-06/0.4946, allocations: 7.969 kB / 0.5951 GB, free: 25.51 MB / 462.3 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007529/0.4953, allocations: 0.7979 MB / 0.5958 GB, free: 24.66 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.525e-06/0.4953, allocations: 0 / 0.5958 GB, free: 24.66 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002532/0.4979, allocations: 0.5229 MB / 0.5964 GB, free: 24.14 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (simulation): time 5.7e-06/0.4979, allocations: 7.938 kB / 0.5964 GB, free: 24.13 MB / 462.3 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001009/0.498, allocations: 39.97 kB / 0.5964 GB, free: 24.09 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.96e-06/0.498, allocations: 11.92 kB / 0.5964 GB, free: 24.08 MB / 462.3 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.874e-06/0.498, allocations: 4 kB / 0.5964 GB, free: 24.08 MB / 462.3 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002265/0.5003, allocations: 1.964 MB / 0.5983 GB, free: 22.1 MB / 462.3 MB Notification: Performance of postOpt removeConstants (simulation): time 5.515e-05/0.5003, allocations: 128.4 kB / 0.5985 GB, free: 21.96 MB / 462.3 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001226/0.5005, allocations: 43.97 kB / 0.5985 GB, free: 21.91 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006797/0.5012, allocations: 43.95 kB / 0.5985 GB, free: 21.87 MB / 462.3 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001781/0.5013, allocations: 60.91 kB / 0.5986 GB, free: 21.81 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.27e-05/0.5014, allocations: 35.92 kB / 0.5986 GB, free: 21.77 MB / 462.3 MB Notification: Performance of sorting global known variables: time 4e-05/0.5015, allocations: 95.97 kB / 0.5987 GB, free: 21.68 MB / 462.3 MB Notification: Performance of sort global known variables: time 1.91e-07/0.5015, allocations: 0 / 0.5987 GB, free: 21.68 MB / 462.3 MB Notification: Performance of remove unused functions: time 0.0005482/0.502, allocations: 311.8 kB / 0.599 GB, free: 21.38 MB / 462.3 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 57 (TAtilde[1],TAtilde[2],TAtilde[3],TAtilde[4],TAtilde[5],TAtilde[6],TAtilde[7],TAtilde[8],TAtilde[9],TAtilde[10],TAtilde[11],TAtilde[12],TAtilde[13],TAtilde[14],TAtilde[15],TAtilde[16],TAtilde[17],TAtilde[18],TAtilde[19],TBtilde[1],TBtilde[2],TBtilde[3],TBtilde[4],TBtilde[5],TBtilde[6],TBtilde[7],TBtilde[8],TBtilde[9],TBtilde[10],TBtilde[11],TBtilde[12],TBtilde[13],TBtilde[14],TBtilde[15],TBtilde[16],TBtilde[17],TBtilde[18],TBtilde[19],TW[1],TW[2],TW[3],TW[4],TW[5],TW[6],TW[7],TW[8],TW[9],TW[10],TW[11],TW[12],TW[13],TW[14],TW[15],TW[16],TW[17],TW[18],TW[19]) * 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 (99): * Single equations (assignments): 99 * 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 0.000172/0.5022, allocations: 146.3 kB / 0.5992 GB, free: 21.22 MB / 462.3 MB Notification: Performance of simCode: created initialization part: time 0.001611/0.5038, allocations: 1.342 MB / 0.6005 GB, free: 19.88 MB / 462.3 MB Notification: Performance of simCode: created event and clocks part: time 1.974e-06/0.5038, allocations: 0 / 0.6005 GB, free: 19.88 MB / 462.3 MB Notification: Performance of simCode: created simulation system equations: time 0.0007294/0.5046, allocations: 0.6654 MB / 0.6011 GB, free: 19.21 MB / 462.3 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005613/0.5051, allocations: 136.8 kB / 0.6012 GB, free: 19.08 MB / 462.3 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004456/0.5096, allocations: 4.618 MB / 0.6058 GB, free: 14.43 MB / 462.3 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002438/0.5099, allocations: 0.9191 MB / 0.6067 GB, free: 13.49 MB / 462.3 MB Notification: Performance of simCode: alias equations: time 0.0008368/0.5107, allocations: 388.5 kB / 0.607 GB, free: 13.11 MB / 462.3 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000332/0.511, allocations: 51.44 kB / 0.6071 GB, free: 13.05 MB / 462.3 MB Notification: Performance of SimCode: time 4.91e-07/0.5111, allocations: 0 / 0.6071 GB, free: 13.05 MB / 462.3 MB Notification: Performance of Templates: time 0.01248/0.5235, allocations: 10.86 MB / 0.6177 GB, free: 2.32 MB / 462.3 MB make -j1 -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.makefile (rm -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.pipe ; mkfifo ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.pipe ; head -c 1048576 < ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.pipe >> ../files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.sim & ./ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20 -s=ida -abortSlowSimulation -alarm=300 -s cvode -emit_protected -lv LOG_STATS > ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.pipe 2>&1) diffSimulationResults("ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches