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 0.0008083/0.0008084, allocations: 94.05 kB / 16.31 MB, free: 5.945 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0008334/0.0008334, allocations: 182.6 kB / 17.21 MB, free: 5.855 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.128/1.128, allocations: 223.3 MB / 241.2 MB, free: 5.352 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/package.mo): time 0.6296/0.6296, allocations: 120.5 MB / 412.8 MB, free: 12.1 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0002475/0.0002475, allocations: 8 kB / 0.4956 GB, free: 9.77 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1143/0.1145, allocations: 82.85 MB / 0.5765 GB, free: 6.789 MB / 446.1 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20): time 0.001131/0.1157, allocations: 1.162 MB / 0.5776 GB, free: 5.617 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.0002257/0.1159, allocations: 95.67 kB / 0.5777 GB, free: 5.523 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 3.003e-05/0.116, allocations: 0 / 0.5777 GB, free: 5.523 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 7.942e-05/0.1161, allocations: 15.92 kB / 0.5777 GB, free: 5.508 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 9.964e-05/0.1162, allocations: 59.77 kB / 0.5778 GB, free: 5.449 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001235/0.1163, allocations: 23.97 kB / 0.5778 GB, free: 5.426 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.0008079/0.1171, allocations: 1.014 MB / 0.5788 GB, free: 4.41 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 4.225e-05/0.1172, allocations: 8 kB / 0.5788 GB, free: 4.402 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003009/0.1175, allocations: 395.5 kB / 0.5792 GB, free: 4.016 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006703/0.1182, allocations: 0.5928 MB / 0.5797 GB, free: 3.422 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001057/0.1183, allocations: 64 kB / 0.5798 GB, free: 3.359 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001155/0.1184, allocations: 64 kB / 0.5799 GB, free: 3.297 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002853/0.1187, allocations: 391.1 kB / 0.5802 GB, free: 2.914 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001254/0.1188, allocations: 133.5 kB / 0.5804 GB, free: 2.777 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0003223/0.1191, allocations: 447.2 kB / 0.5808 GB, free: 2.34 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.327e-06/0.1191, allocations: 7.875 kB / 0.5808 GB, free: 2.332 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.042e-06/0.1192, allocations: 0 / 0.5808 GB, free: 2.332 MB / 446.1 MB Notification: Performance of Transformations before backend: time 5.4e-06/0.1192, allocations: 0 / 0.5808 GB, free: 2.332 MB / 446.1 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 0.003579/0.1227, allocations: 1.495 MB / 0.5823 GB, free: 0.7852 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 2.672e-05/0.1228, allocations: 8.031 kB / 0.5823 GB, free: 0.7773 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001205/0.1229, allocations: 63.39 kB / 0.5823 GB, free: 0.7148 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004235/0.1233, allocations: 346.3 kB / 0.5827 GB, free: 344 kB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.088e-05/0.1234, allocations: 61.31 kB / 0.5827 GB, free: 284 kB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000141/0.1235, allocations: 99.8 kB / 0.5828 GB, free: 184 kB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.3411/0.4646, allocations: 0.8697 MB / 0.5837 GB, free: 16.04 MB / 446.3 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.008e-05/0.4647, allocations: 1.859 kB / 0.5837 GB, free: 16.04 MB / 446.3 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.061e-05/0.4648, allocations: 24.03 kB / 0.5837 GB, free: 16.04 MB / 446.3 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.352e-05/0.4648, allocations: 13.31 kB / 0.5837 GB, free: 16.04 MB / 446.3 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001179/0.466, allocations: 0.7702 MB / 0.5844 GB, free: 16.04 MB / 446.3 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004956/0.4709, allocations: 4.358 MB / 0.5887 GB, free: 13.3 MB / 446.3 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001384/0.4723, allocations: 0.9834 MB / 0.5897 GB, free: 12.99 MB / 446.3 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.000879/0.4732, allocations: 0.6718 MB / 0.5903 GB, free: 12.74 MB / 446.3 MB Notification: Performance of preOpt evalFunc (simulation): time 9.29e-05/0.4733, allocations: 10.59 kB / 0.5903 GB, free: 12.74 MB / 446.3 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.272e-05/0.4734, allocations: 47.69 kB / 0.5904 GB, free: 12.69 MB / 446.3 MB Notification: Performance of pre-optimization done (n=99): time 2.524e-06/0.4734, allocations: 0 / 0.5904 GB, free: 12.69 MB / 446.3 MB Notification: Performance of matching and sorting (n=99): time 0.002585/0.4759, allocations: 1.668 MB / 0.592 GB, free: 12.19 MB / 446.3 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.877e-05/0.476, allocations: 61.62 kB / 0.5921 GB, free: 12.12 MB / 446.3 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 7.842e-05/0.4761, allocations: 145.8 kB / 0.5922 GB, free: 12.01 MB / 446.3 MB Notification: Performance of collectPreVariables (initialization): time 6.296e-05/0.4761, allocations: 52.83 kB / 0.5923 GB, free: 11.96 MB / 446.3 MB Notification: Performance of collectInitialEqns (initialization): time 5.479e-05/0.4762, allocations: 157.8 kB / 0.5924 GB, free: 11.82 MB / 446.3 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002165/0.4764, allocations: 411.6 kB / 0.5928 GB, free: 11.51 MB / 446.3 MB Notification: Performance of simplifyInitialFunctions (initialization): time 6.719e-05/0.4765, allocations: 24.62 kB / 0.5928 GB, free: 11.49 MB / 446.3 MB Notification: Performance of setup shared object (initialization): time 7.224e-05/0.4766, allocations: 367.4 kB / 0.5932 GB, free: 11.15 MB / 446.3 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000852/0.4774, allocations: 0.5699 MB / 0.5937 GB, free: 11 MB / 446.3 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008835/0.4783, allocations: 0.6635 MB / 0.5944 GB, free: 10.79 MB / 446.3 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009047/0.4792, allocations: 0.6531 MB / 0.595 GB, free: 10.57 MB / 446.3 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.086e-06/0.4792, allocations: 0 / 0.595 GB, free: 10.57 MB / 446.3 MB Notification: Performance of matching and sorting (n=157) (initialization): time 0.002005/0.4813, allocations: 1.467 MB / 0.5964 GB, free: 10.08 MB / 446.3 MB Notification: Performance of prepare postOptimizeDAE: time 1.566e-05/0.4813, allocations: 4.562 kB / 0.5965 GB, free: 10.08 MB / 446.3 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.961e-06/0.4813, allocations: 4.781 kB / 0.5965 GB, free: 10.08 MB / 446.3 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.641e-05/0.4813, allocations: 5.25 kB / 0.5965 GB, free: 10.08 MB / 446.3 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001951/0.4833, allocations: 0.5282 MB / 0.597 GB, free: 10.05 MB / 446.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.402e-05/0.4833, allocations: 7.438 kB / 0.597 GB, free: 10.05 MB / 446.3 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006258/0.4839, allocations: 124.1 kB / 0.5971 GB, free: 9.988 MB / 446.3 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.251e-05/0.484, allocations: 32.72 kB / 0.5971 GB, free: 9.98 MB / 446.3 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 (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0002175/0.4842, allocations: 219 kB / 0.5973 GB, free: 9.82 MB / 446.3 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.991e-05/0.4843, allocations: 44.78 kB / 0.5974 GB, free: 9.801 MB / 446.3 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004153/0.4847, allocations: 155.3 kB / 0.5975 GB, free: 9.656 MB / 446.3 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.063e-06/0.4847, allocations: 9.625 kB / 0.5975 GB, free: 9.656 MB / 446.3 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.875e-06/0.4848, allocations: 0 / 0.5975 GB, free: 9.656 MB / 446.3 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.297e-06/0.4848, allocations: 6.172 kB / 0.5975 GB, free: 9.656 MB / 446.3 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009254/0.4857, allocations: 0.7957 MB / 0.5983 GB, free: 9.297 MB / 446.3 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.144e-06/0.4857, allocations: 0 / 0.5983 GB, free: 9.297 MB / 446.3 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002421/0.4881, allocations: 0.5298 MB / 0.5988 GB, free: 9.27 MB / 446.3 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.999e-06/0.4882, allocations: 7.859 kB / 0.5989 GB, free: 9.266 MB / 446.3 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.772e-05/0.4883, allocations: 41.91 kB / 0.5989 GB, free: 9.254 MB / 446.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.45e-06/0.4883, allocations: 6.406 kB / 0.5989 GB, free: 9.254 MB / 446.3 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.483e-06/0.4883, allocations: 1.406 kB / 0.5989 GB, free: 9.254 MB / 446.3 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002637/0.4909, allocations: 1.978 MB / 0.6008 GB, free: 8.512 MB / 446.3 MB Notification: Performance of postOpt removeConstants (simulation): time 4.819e-05/0.491, allocations: 123.3 kB / 0.6009 GB, free: 8.387 MB / 446.3 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001307/0.4911, allocations: 42.62 kB / 0.601 GB, free: 8.371 MB / 446.3 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006132/0.4917, allocations: 69.33 kB / 0.6011 GB, free: 8.34 MB / 446.3 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001401/0.4919, allocations: 54.48 kB / 0.6011 GB, free: 8.336 MB / 446.3 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.554e-05/0.4919, allocations: 28.7 kB / 0.6011 GB, free: 8.328 MB / 446.3 MB Notification: Performance of sorting global known variables: time 3.765e-05/0.492, allocations: 95.22 kB / 0.6012 GB, free: 8.25 MB / 446.3 MB Notification: Performance of sort global known variables: time 1.21e-07/0.492, allocations: 0 / 0.6012 GB, free: 8.25 MB / 446.3 MB Notification: Performance of remove unused functions: time 0.0005511/0.4925, allocations: 312.9 kB / 0.6015 GB, free: 8.207 MB / 446.3 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 (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0001559/0.4927, allocations: 153.1 kB / 0.6017 GB, free: 8.082 MB / 446.3 MB Notification: Performance of simCode: created initialization part: time 0.001755/0.4945, allocations: 1.334 MB / 0.603 GB, free: 7.707 MB / 446.3 MB Notification: Performance of simCode: created event and clocks part: time 1.593e-06/0.4945, allocations: 4.062 kB / 0.603 GB, free: 7.703 MB / 446.3 MB Notification: Performance of simCode: created simulation system equations: time 0.0008163/0.4953, allocations: 0.6561 MB / 0.6036 GB, free: 7.488 MB / 446.3 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005793/0.4959, allocations: 131.5 kB / 0.6037 GB, free: 7.438 MB / 446.3 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005126/0.501, allocations: 5.568 MB / 0.6092 GB, free: 3.297 MB / 446.3 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002666/0.5013, allocations: 0.9223 MB / 0.6101 GB, free: 2.508 MB / 446.3 MB Notification: Performance of simCode: alias equations: time 0.0009232/0.5022, allocations: 389.9 kB / 0.6105 GB, free: 2.344 MB / 446.3 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000321/0.5026, allocations: 58.28 kB / 0.6105 GB, free: 2.332 MB / 446.3 MB Notification: Performance of SimCode: time 4.31e-07/0.5026, allocations: 0 / 0.6105 GB, free: 2.332 MB / 446.3 MB Notification: Performance of Templates: time 0.01257/0.5151, allocations: 9.928 MB / 0.6202 GB, free: 11.61 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 -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/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20_res.mat","../files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches