Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_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.CounterCurrentHeatExchangerEquations_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.1..|der.TB.2..|der.TB.3..|der.TW.1..|der.TW.2..|der.TW.3..|time|time",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20") translateModel(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_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.1..|der.TB.2..|der.TB.3..|der.TW.1..|der.TW.2..|der.TW.3..|time|time",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001232/0.001232, allocations: 109.9 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 0.001219/0.001219, 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 1.233/1.233, allocations: 222.9 MB / 242.3 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/package.mo): time 0.7981/0.7981, allocations: 119.3 MB / 411.8 MB, free: 9.523 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00118/0.00118, allocations: 63.89 kB / 0.4937 GB, free: 11.64 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4551/0.4563, allocations: 80.68 MB / 0.5725 GB, free: 43.93 MB / 462.3 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20): time 0.002242/0.4586, allocations: 1.466 MB / 0.5739 GB, free: 42.77 MB / 462.3 MB Notification: Performance of NFInst.instExpressions: time 0.0002742/0.4589, allocations: 102.3 kB / 0.574 GB, free: 42.69 MB / 462.3 MB Notification: Performance of NFInst.updateImplicitVariability: time 4.268e-05/0.4589, allocations: 1.219 kB / 0.574 GB, free: 42.69 MB / 462.3 MB Notification: Performance of NFTyping.typeComponents: time 9.294e-05/0.459, allocations: 13.36 kB / 0.5741 GB, free: 42.68 MB / 462.3 MB Notification: Performance of NFTyping.typeBindings: time 0.000112/0.4592, allocations: 59.58 kB / 0.5741 GB, free: 42.63 MB / 462.3 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001907/0.4594, allocations: 29.19 kB / 0.5741 GB, free: 42.61 MB / 462.3 MB Notification: Performance of NFFlatten.flatten: time 0.0009074/0.4603, allocations: 1.221 MB / 0.5753 GB, free: 41.95 MB / 462.3 MB Notification: Performance of NFFlatten.resolveConnections: time 7.443e-05/0.4604, allocations: 10.64 kB / 0.5753 GB, free: 41.94 MB / 462.3 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0005077/0.4609, allocations: 473.6 kB / 0.5758 GB, free: 41.73 MB / 462.3 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0007122/0.4616, allocations: 0.5472 MB / 0.5763 GB, free: 41.39 MB / 462.3 MB Notification: Performance of NFPackage.collectConstants: time 0.0001456/0.4617, allocations: 63.06 kB / 0.5764 GB, free: 41.39 MB / 462.3 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001269/0.4619, allocations: 60.56 kB / 0.5764 GB, free: 41.39 MB / 462.3 MB Notification: Performance of NFScalarize.scalarize: time 0.0002416/0.4621, allocations: 367 kB / 0.5768 GB, free: 41.15 MB / 462.3 MB Notification: Performance of NFVerifyModel.verify: time 0.0004367/0.4626, allocations: 388.9 kB / 0.5772 GB, free: 40.92 MB / 462.3 MB Notification: Performance of NFConvertDAE.convert: time 0.0005637/0.4631, allocations: 0.6549 MB / 0.5778 GB, free: 40.55 MB / 462.3 MB Notification: Performance of FrontEnd - DAE generated: time 6.252e-06/0.4632, allocations: 0 / 0.5778 GB, free: 40.55 MB / 462.3 MB Notification: Performance of FrontEnd: time 2.304e-06/0.4632, allocations: 0.6875 kB / 0.5778 GB, free: 40.55 MB / 462.3 MB Notification: Performance of Transformations before backend: time 1.348e-05/0.4632, allocations: 4 kB / 0.5778 GB, free: 40.55 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 0.004295/0.4675, allocations: 1.422 MB / 0.5792 GB, free: 39.65 MB / 462.3 MB Notification: Performance of prepare preOptimizeDAE: time 4.372e-05/0.4675, allocations: 13.08 kB / 0.5792 GB, free: 39.64 MB / 462.3 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001682/0.4677, allocations: 61.84 kB / 0.5793 GB, free: 39.62 MB / 462.3 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006249/0.4684, allocations: 358.7 kB / 0.5796 GB, free: 39.33 MB / 462.3 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.721e-05/0.4684, allocations: 55.34 kB / 0.5797 GB, free: 39.3 MB / 462.3 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001742/0.4686, allocations: 98.28 kB / 0.5798 GB, free: 39.27 MB / 462.3 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001304/0.4699, allocations: 0.8852 MB / 0.5806 GB, free: 38.76 MB / 462.3 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.584e-05/0.4699, allocations: 4.172 kB / 0.5806 GB, free: 38.75 MB / 462.3 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.465e-05/0.47, allocations: 29 kB / 0.5807 GB, free: 38.73 MB / 462.3 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.873e-05/0.47, allocations: 12.66 kB / 0.5807 GB, free: 38.73 MB / 462.3 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001236/0.4713, allocations: 0.7678 MB / 0.5814 GB, free: 38.4 MB / 462.3 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006092/0.4774, allocations: 4.313 MB / 0.5856 GB, free: 34.7 MB / 462.3 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001576/0.479, allocations: 0.9725 MB / 0.5866 GB, free: 34.24 MB / 462.3 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008222/0.4798, allocations: 0.6631 MB / 0.5872 GB, free: 33.67 MB / 462.3 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001018/0.48, allocations: 12.94 kB / 0.5872 GB, free: 33.66 MB / 462.3 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.113e-05/0.48, allocations: 43.5 kB / 0.5873 GB, free: 33.6 MB / 462.3 MB Notification: Performance of pre-optimization done (n=99): time 3.086e-06/0.48, allocations: 0 / 0.5873 GB, free: 33.6 MB / 462.3 MB Notification: Performance of matching and sorting (n=99): time 0.002345/0.4823, allocations: 1.641 MB / 0.5889 GB, free: 31.95 MB / 462.3 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.97e-05/0.4824, allocations: 64.41 kB / 0.5889 GB, free: 31.88 MB / 462.3 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 9.292e-05/0.4825, allocations: 145.8 kB / 0.5891 GB, free: 31.73 MB / 462.3 MB Notification: Performance of collectPreVariables (initialization): time 8.45e-05/0.4826, allocations: 57.64 kB / 0.5891 GB, free: 31.66 MB / 462.3 MB Notification: Performance of collectInitialEqns (initialization): time 7.169e-05/0.4827, allocations: 161.7 kB / 0.5893 GB, free: 31.5 MB / 462.3 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002346/0.4829, allocations: 410 kB / 0.5897 GB, free: 31.09 MB / 462.3 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003261/0.4832, allocations: 227 kB / 0.5899 GB, free: 30.87 MB / 462.3 MB Notification: Performance of setup shared object (initialization): time 8.126e-05/0.4833, allocations: 362.8 kB / 0.5902 GB, free: 30.5 MB / 462.3 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007623/0.4841, allocations: 0.5686 MB / 0.5908 GB, free: 29.93 MB / 462.3 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007984/0.4849, allocations: 0.6715 MB / 0.5915 GB, free: 29.26 MB / 462.3 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.00157/0.4865, allocations: 1.25 MB / 0.5927 GB, free: 28.01 MB / 462.3 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.679e-06/0.4865, allocations: 0 / 0.5927 GB, free: 28.01 MB / 462.3 MB Notification: Performance of matching and sorting (n=157) (initialization): time 0.001955/0.4885, allocations: 1.469 MB / 0.5941 GB, free: 26.53 MB / 462.3 MB Notification: Performance of prepare postOptimizeDAE: time 2.571e-05/0.4885, allocations: 14.28 kB / 0.5941 GB, free: 26.52 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.568e-06/0.4885, allocations: 0 / 0.5941 GB, free: 26.52 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.443e-05/0.4886, allocations: 12.02 kB / 0.5941 GB, free: 26.51 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002134/0.4907, allocations: 0.5268 MB / 0.5946 GB, free: 25.98 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.001e-05/0.4907, allocations: 4 kB / 0.5947 GB, free: 25.98 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007963/0.4915, allocations: 123 kB / 0.5948 GB, free: 25.86 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.353e-05/0.4916, allocations: 32 kB / 0.5948 GB, free: 25.82 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 0.0002905/0.4919, allocations: 221.5 kB / 0.595 GB, free: 25.6 MB / 462.3 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001174/0.492, allocations: 51.47 kB / 0.5951 GB, free: 25.55 MB / 462.3 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003757/0.4924, allocations: 144 kB / 0.5952 GB, free: 25.4 MB / 462.3 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.036e-06/0.4924, allocations: 8 kB / 0.5952 GB, free: 25.39 MB / 462.3 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.146e-05/0.4925, allocations: 4 kB / 0.5952 GB, free: 25.39 MB / 462.3 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.436e-06/0.4925, allocations: 7.969 kB / 0.5952 GB, free: 25.38 MB / 462.3 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009024/0.4934, allocations: 0.794 MB / 0.596 GB, free: 24.54 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.867e-06/0.4934, allocations: 4 kB / 0.596 GB, free: 24.54 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002882/0.4963, allocations: 0.523 MB / 0.5965 GB, free: 24.02 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.769e-05/0.4963, allocations: 7.938 kB / 0.5965 GB, free: 24.01 MB / 462.3 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001624/0.4965, allocations: 39.97 kB / 0.5966 GB, free: 23.97 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.632e-06/0.4965, allocations: 4 kB / 0.5966 GB, free: 23.96 MB / 462.3 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.545e-06/0.4965, allocations: 0 / 0.5966 GB, free: 23.96 MB / 462.3 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002534/0.4991, allocations: 1.968 MB / 0.5985 GB, free: 21.98 MB / 462.3 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001653/0.4993, allocations: 132.4 kB / 0.5986 GB, free: 21.84 MB / 462.3 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001355/0.4994, allocations: 35.97 kB / 0.5986 GB, free: 21.8 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007711/0.5002, allocations: 51.95 kB / 0.5987 GB, free: 21.75 MB / 462.3 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000173/0.5004, allocations: 60.91 kB / 0.5987 GB, free: 21.69 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.408e-05/0.5004, allocations: 27.98 kB / 0.5988 GB, free: 21.66 MB / 462.3 MB Notification: Performance of sorting global known variables: time 5.459e-05/0.5005, allocations: 97.09 kB / 0.5989 GB, free: 21.57 MB / 462.3 MB Notification: Performance of sort global known variables: time 1.41e-07/0.5005, allocations: 0 / 0.5989 GB, free: 21.57 MB / 462.3 MB Notification: Performance of remove unused functions: time 0.0006379/0.5011, allocations: 311.8 kB / 0.5992 GB, free: 21.26 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 0.0001824/0.5013, allocations: 154.2 kB / 0.5993 GB, free: 21.1 MB / 462.3 MB Notification: Performance of simCode: created initialization part: time 0.001759/0.5031, allocations: 1.338 MB / 0.6006 GB, free: 19.76 MB / 462.3 MB Notification: Performance of simCode: created event and clocks part: time 3.076e-06/0.5031, allocations: 0 / 0.6006 GB, free: 19.76 MB / 462.3 MB Notification: Performance of simCode: created simulation system equations: time 0.0007667/0.5039, allocations: 0.6537 MB / 0.6013 GB, free: 19.11 MB / 462.3 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006254/0.5045, allocations: 139.8 kB / 0.6014 GB, free: 18.97 MB / 462.3 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005115/0.5096, allocations: 4.649 MB / 0.6059 GB, free: 14.29 MB / 462.3 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000279/0.51, allocations: 0.9226 MB / 0.6068 GB, free: 13.34 MB / 462.3 MB Notification: Performance of simCode: alias equations: time 0.001017/0.511, allocations: 384.6 kB / 0.6072 GB, free: 12.96 MB / 462.3 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003464/0.5113, allocations: 51.44 kB / 0.6072 GB, free: 12.91 MB / 462.3 MB Notification: Performance of SimCode: time 7.61e-07/0.5114, allocations: 0 / 0.6072 GB, free: 12.91 MB / 462.3 MB Notification: Performance of Templates: time 0.01418/0.5255, allocations: 10.86 MB / 0.6179 GB, free: 2.18 MB / 462.3 MB make -j1 -f ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.makefile (rm -f ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.pipe ; mkfifo ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.pipe ; head -c 1048576 < ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.pipe >> ../files/ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.sim & ./ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20 -s=ida -abortSlowSimulation -alarm=300 -s gbode -emit_protected -lv LOG_STATS > ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.pipe 2>&1) diffSimulationResults("ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ScalableTestSuite_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches