Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ScalableTestSuite_noopt_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_noopt_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_noopt_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 0.001411/0.001411, allocations: 99.08 kB / 16.5 MB, free: 6.645 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001509/0.00151, allocations: 198.5 kB / 17.43 MB, free: 6.062 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.343/1.343, allocations: 222.9 MB / 241.1 MB, free: 13.62 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/package.mo): time 1.017/1.017, allocations: 119.3 MB / 410.6 MB, free: 9.766 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001363/0.001363, allocations: 59.91 kB / 0.4916 GB, free: 12.84 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4856/0.487, allocations: 80.68 MB / 0.5704 GB, free: 43.36 MB / 462.3 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20): time 0.002179/0.4892, allocations: 1.532 MB / 0.5719 GB, free: 42.14 MB / 462.3 MB Notification: Performance of NFInst.instExpressions: time 0.0002445/0.4895, allocations: 99.69 kB / 0.572 GB, free: 42.07 MB / 462.3 MB Notification: Performance of NFInst.updateImplicitVariability: time 3.565e-05/0.4895, allocations: 0 / 0.572 GB, free: 42.07 MB / 462.3 MB Notification: Performance of NFTyping.typeComponents: time 0.0001029/0.4897, allocations: 9.047 kB / 0.572 GB, free: 42.06 MB / 462.3 MB Notification: Performance of NFTyping.typeBindings: time 0.0001092/0.4898, allocations: 61.98 kB / 0.572 GB, free: 42.01 MB / 462.3 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001789/0.49, allocations: 38.94 kB / 0.5721 GB, free: 41.98 MB / 462.3 MB Notification: Performance of NFFlatten.flatten: time 0.000876/0.4908, allocations: 1.335 MB / 0.5734 GB, free: 41.27 MB / 462.3 MB Notification: Performance of NFFlatten.resolveConnections: time 5.312e-05/0.4909, allocations: 7.719 kB / 0.5734 GB, free: 41.27 MB / 462.3 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003775/0.4913, allocations: 471 kB / 0.5738 GB, free: 41.07 MB / 462.3 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006609/0.4919, allocations: 0.5895 MB / 0.5744 GB, free: 40.72 MB / 462.3 MB Notification: Performance of NFPackage.collectConstants: time 0.0001572/0.4921, allocations: 61.84 kB / 0.5745 GB, free: 40.72 MB / 462.3 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001697/0.4923, allocations: 61.12 kB / 0.5745 GB, free: 40.72 MB / 462.3 MB Notification: Performance of NFScalarize.scalarize: time 0.000279/0.4926, allocations: 370.1 kB / 0.5749 GB, free: 40.48 MB / 462.3 MB Notification: Performance of NFVerifyModel.verify: time 0.0004034/0.493, allocations: 398.3 kB / 0.5753 GB, free: 40.24 MB / 462.3 MB Notification: Performance of NFConvertDAE.convert: time 0.0005015/0.4935, allocations: 0.6466 MB / 0.5759 GB, free: 39.87 MB / 462.3 MB Notification: Performance of FrontEnd - DAE generated: time 4.568e-06/0.4935, allocations: 0 / 0.5759 GB, free: 39.87 MB / 462.3 MB Notification: Performance of FrontEnd: time 8.41e-07/0.4935, allocations: 0 / 0.5759 GB, free: 39.87 MB / 462.3 MB Notification: Performance of Transformations before backend: time 8.035e-06/0.4935, allocations: 1.906 kB / 0.5759 GB, free: 39.87 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 0.004454/0.498, allocations: 1.427 MB / 0.5773 GB, free: 38.97 MB / 462.3 MB Notification: Performance of prepare preOptimizeDAE: time 4.11e-05/0.498, allocations: 9.625 kB / 0.5773 GB, free: 38.97 MB / 462.3 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000173/0.4982, allocations: 60.12 kB / 0.5774 GB, free: 38.95 MB / 462.3 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004777/0.4987, allocations: 359.8 kB / 0.5777 GB, free: 38.66 MB / 462.3 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.821e-05/0.4987, allocations: 54.56 kB / 0.5778 GB, free: 38.63 MB / 462.3 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001697/0.4989, allocations: 102.4 kB / 0.5778 GB, free: 38.59 MB / 462.3 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001419/0.5003, allocations: 0.8857 MB / 0.5787 GB, free: 38.07 MB / 462.3 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.201e-05/0.5004, allocations: 192 / 0.5787 GB, free: 38.07 MB / 462.3 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.252e-05/0.5005, allocations: 24.53 kB / 0.5787 GB, free: 38.05 MB / 462.3 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.508e-05/0.5005, allocations: 12.88 kB / 0.5788 GB, free: 38.05 MB / 462.3 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001204/0.5017, allocations: 0.7681 MB / 0.5795 GB, free: 37.72 MB / 462.3 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005385/0.5071, allocations: 4.316 MB / 0.5837 GB, free: 34.03 MB / 462.3 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001504/0.5086, allocations: 0.968 MB / 0.5847 GB, free: 33.57 MB / 462.3 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009148/0.5096, allocations: 0.6653 MB / 0.5853 GB, free: 33.23 MB / 462.3 MB Notification: Performance of preOpt evalFunc (simulation): time 9.979e-05/0.5097, allocations: 14.78 kB / 0.5853 GB, free: 33.23 MB / 462.3 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.341e-05/0.5097, allocations: 47.72 kB / 0.5854 GB, free: 33.18 MB / 462.3 MB Notification: Performance of pre-optimization done (n=99): time 3.006e-06/0.5097, allocations: 3.938 kB / 0.5854 GB, free: 33.17 MB / 462.3 MB Notification: Performance of matching and sorting (n=99): time 0.002616/0.5123, allocations: 1.645 MB / 0.587 GB, free: 32.09 MB / 462.3 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.965e-05/0.5124, allocations: 60.41 kB / 0.587 GB, free: 32.02 MB / 462.3 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 8.51e-05/0.5125, allocations: 145.5 kB / 0.5872 GB, free: 31.87 MB / 462.3 MB Notification: Performance of collectPreVariables (initialization): time 7.448e-05/0.5125, allocations: 53.7 kB / 0.5872 GB, free: 31.81 MB / 462.3 MB Notification: Performance of collectInitialEqns (initialization): time 5.518e-05/0.5126, allocations: 157.8 kB / 0.5874 GB, free: 31.65 MB / 462.3 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002021/0.5128, allocations: 410.1 kB / 0.5878 GB, free: 31.24 MB / 462.3 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003032/0.5131, allocations: 230.9 kB / 0.588 GB, free: 31.01 MB / 462.3 MB Notification: Performance of setup shared object (initialization): time 6.292e-05/0.5132, allocations: 362.8 kB / 0.5883 GB, free: 30.65 MB / 462.3 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007951/0.514, allocations: 0.5686 MB / 0.5889 GB, free: 30.08 MB / 462.3 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008322/0.5148, allocations: 0.6677 MB / 0.5895 GB, free: 29.41 MB / 462.3 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001675/0.5165, allocations: 1.262 MB / 0.5908 GB, free: 28.14 MB / 462.3 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.178e-06/0.5165, allocations: 0 / 0.5908 GB, free: 28.14 MB / 462.3 MB Notification: Performance of matching and sorting (n=157) (initialization): time 0.002043/0.5186, allocations: 1.469 MB / 0.5922 GB, free: 26.66 MB / 462.3 MB Notification: Performance of prepare postOptimizeDAE: time 2.055e-05/0.5186, allocations: 11.94 kB / 0.5922 GB, free: 26.65 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.008e-05/0.5186, allocations: 0 / 0.5922 GB, free: 26.65 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.806e-05/0.5186, allocations: 7.938 kB / 0.5922 GB, free: 26.64 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002201/0.5208, allocations: 0.523 MB / 0.5927 GB, free: 26.12 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.833e-05/0.5209, allocations: 11.92 kB / 0.5927 GB, free: 26.11 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008724/0.5218, allocations: 123 kB / 0.5929 GB, free: 25.99 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.273e-05/0.5218, allocations: 32 kB / 0.5929 GB, free: 25.96 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 0.0002891/0.5221, allocations: 217.6 kB / 0.5931 GB, free: 25.73 MB / 462.3 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001244/0.5223, allocations: 47.47 kB / 0.5932 GB, free: 25.69 MB / 462.3 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003296/0.5226, allocations: 148 kB / 0.5933 GB, free: 25.54 MB / 462.3 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.144e-06/0.5226, allocations: 8 kB / 0.5933 GB, free: 25.53 MB / 462.3 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.868e-06/0.5226, allocations: 11.94 kB / 0.5933 GB, free: 25.52 MB / 462.3 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.663e-06/0.5226, allocations: 3.984 kB / 0.5933 GB, free: 25.52 MB / 462.3 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008954/0.5235, allocations: 0.7863 MB / 0.5941 GB, free: 24.68 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.655e-06/0.5236, allocations: 0 / 0.5941 GB, free: 24.68 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002772/0.5263, allocations: 0.5269 MB / 0.5946 GB, free: 24.16 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (simulation): time 8.485e-06/0.5264, allocations: 7.938 kB / 0.5946 GB, free: 24.15 MB / 462.3 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001067/0.5265, allocations: 55.89 kB / 0.5947 GB, free: 24.09 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.969e-06/0.5265, allocations: 4 kB / 0.5947 GB, free: 24.09 MB / 462.3 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.613e-06/0.5265, allocations: 0 / 0.5947 GB, free: 24.09 MB / 462.3 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002547/0.529, allocations: 1.96 MB / 0.5966 GB, free: 22.12 MB / 462.3 MB Notification: Performance of postOpt removeConstants (simulation): time 9.134e-05/0.5291, allocations: 128.4 kB / 0.5967 GB, free: 21.97 MB / 462.3 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001358/0.5293, allocations: 35.97 kB / 0.5967 GB, free: 21.94 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008091/0.5301, allocations: 71.69 kB / 0.5968 GB, free: 21.87 MB / 462.3 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001867/0.5303, allocations: 56.92 kB / 0.5969 GB, free: 21.81 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.384e-05/0.5304, allocations: 23.98 kB / 0.5969 GB, free: 21.79 MB / 462.3 MB Notification: Performance of sorting global known variables: time 4.441e-05/0.5304, allocations: 95.27 kB / 0.597 GB, free: 21.69 MB / 462.3 MB Notification: Performance of sort global known variables: time 1.1e-07/0.5304, allocations: 0 / 0.597 GB, free: 21.69 MB / 462.3 MB Notification: Performance of remove unused functions: time 0.0006308/0.5311, allocations: 315.8 kB / 0.5973 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 0.0002035/0.5313, allocations: 153.7 kB / 0.5974 GB, free: 21.22 MB / 462.3 MB Notification: Performance of simCode: created initialization part: time 0.001788/0.5331, allocations: 1.326 MB / 0.5987 GB, free: 19.89 MB / 462.3 MB Notification: Performance of simCode: created event and clocks part: time 2.134e-06/0.5331, allocations: 0 / 0.5987 GB, free: 19.89 MB / 462.3 MB Notification: Performance of simCode: created simulation system equations: time 0.000818/0.5339, allocations: 0.6497 MB / 0.5993 GB, free: 19.25 MB / 462.3 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006488/0.5346, allocations: 135.9 kB / 0.5995 GB, free: 19.11 MB / 462.3 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005385/0.54, allocations: 4.877 MB / 0.6042 GB, free: 14.2 MB / 462.3 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002693/0.5402, allocations: 0.9153 MB / 0.6051 GB, free: 13.27 MB / 462.3 MB Notification: Performance of simCode: alias equations: time 0.001031/0.5413, allocations: 392.5 kB / 0.6055 GB, free: 12.88 MB / 462.3 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003681/0.5417, allocations: 55.38 kB / 0.6056 GB, free: 12.82 MB / 462.3 MB Notification: Performance of SimCode: time 6.82e-07/0.5417, allocations: 7.938 kB / 0.6056 GB, free: 12.82 MB / 462.3 MB Notification: Performance of Templates: time 0.01311/0.5548, allocations: 10.44 MB / 0.6158 GB, free: 2.492 MB / 462.3 MB make -j1 -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.makefile (rm -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.pipe ; mkfifo ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.pipe ; head -c 1048576 < ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.pipe >> ../files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.sim & ./ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20 -s=ida -abortSlowSimulation -alarm=300 -emit_protected -lv LOG_STATS > ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.pipe 2>&1) diffSimulationResults("ScalableTestSuite_noopt_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","../files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CounterCurrentHeatExchangerEquations_N_20.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches