Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.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/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/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(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|volume.medium.T|p_start|T_start|h_start|X_start.1.|volume.ports.1..m_flow|volume.ports.1..p|volume.ports.1..h_outflow|volume.ports.2..m_flow|volume.ports.2..p|volume.ports.2..h_outflow|volume.ports_H_flow.1.|volume.ports_H_flow.2.|volume.ports_E_flow.1.|volume.ports_E_flow.2.|volume.ports_penetration.1.|volume.ports_penetration.2.|volume.portsData_diameter.1.|volume.portsData_diameter.2.|volume.portsData_height.1.|volume.portsData_height.2.|volume.portsData_zeta_in.1.|volume.portsData_zeta_in.2.|volume.portsData_zeta_out.1.|volume.portsData_zeta_out.2.|fixedMassFlowRate.ports.1..m_flow|fixedMassFlowRate.ports.1..p|fixedMassFlowRate.ports.1..h_outflow|shortPipe.port_b.m_flow|shortPipe.port_b.p|shortPipe.port_b.h_outflow",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47") translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|volume.medium.T|p_start|T_start|h_start|X_start.1.|volume.ports.1..m_flow|volume.ports.1..p|volume.ports.1..h_outflow|volume.ports.2..m_flow|volume.ports.2..p|volume.ports.2..h_outflow|volume.ports_H_flow.1.|volume.ports_H_flow.2.|volume.ports_E_flow.1.|volume.ports_E_flow.2.|volume.ports_penetration.1.|volume.ports_penetration.2.|volume.portsData_diameter.1.|volume.portsData_diameter.2.|volume.portsData_height.1.|volume.portsData_height.2.|volume.portsData_zeta_in.1.|volume.portsData_zeta_in.2.|volume.portsData_zeta_out.1.|volume.portsData_zeta_out.2.|fixedMassFlowRate.ports.1..m_flow|fixedMassFlowRate.ports.1..p|fixedMassFlowRate.ports.1..h_outflow|shortPipe.port_b.m_flow|shortPipe.port_b.p|shortPipe.port_b.h_outflow",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001073/0.001073, allocations: 96.86 kB / 16.99 MB, free: 5.941 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001248/0.001249, allocations: 183 kB / 17.87 MB, free: 5.609 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.404/1.404, allocations: 223.2 MB / 241.8 MB, free: 14.64 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2171/0.2171, allocations: 44.22 MB / 337.1 MB, free: 2.656 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003303/0.0003303, allocations: 11.94 kB / 409.6 MB, free: 27.68 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1466/0.1469, allocations: 61.92 MB / 471.5 MB, free: 13.71 MB / 350.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47): time 0.01975/0.1667, allocations: 17.14 MB / 488.6 MB, free: 12.52 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.007891/0.1746, allocations: 4.586 MB / 493.2 MB, free: 7.918 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00114/0.1758, allocations: 23.81 kB / 493.2 MB, free: 7.895 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001205/0.1771, allocations: 246.7 kB / 493.5 MB, free: 7.652 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.00467/0.1818, allocations: 1.285 MB / 494.7 MB, free: 6.367 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003112/0.1849, allocations: 1.097 MB / 495.8 MB, free: 5.277 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.001822/0.1867, allocations: 1.047 MB / 496.9 MB, free: 4.23 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0005554/0.1873, allocations: 409.1 kB / 497.3 MB, free: 3.824 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004691/0.192, allocations: 2.808 MB / 0.4884 GB, free: 1.012 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002016/0.194, allocations: 1.064 MB / 0.4894 GB, free: 15.94 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001224/0.1942, allocations: 32 kB / 0.4894 GB, free: 15.91 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002769/0.197, allocations: 1.12 MB / 0.4905 GB, free: 14.79 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002775/0.1973, allocations: 219.4 kB / 0.4908 GB, free: 14.58 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002452/0.1975, allocations: 165.4 kB / 0.4909 GB, free: 14.41 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001417/0.1989, allocations: 0.9742 MB / 0.4919 GB, free: 13.43 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.186e-06/0.1989, allocations: 0 / 0.4919 GB, free: 13.43 MB / 382.1 MB Notification: Performance of FrontEnd: time 2.074e-06/0.199, allocations: 0 / 0.4919 GB, free: 13.43 MB / 382.1 MB Notification: Performance of Transformations before backend: time 1.051e-05/0.199, allocations: 0 / 0.4919 GB, free: 13.43 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 133 * Number of variables: 133 Notification: Performance of Generate backend data structure: time 0.001999/0.201, allocations: 0.9854 MB / 0.4928 GB, free: 12.4 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 6.495e-05/0.2011, allocations: 8.562 kB / 0.4928 GB, free: 12.39 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001033/0.2021, allocations: 143 kB / 0.493 GB, free: 12.25 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001046/0.2032, allocations: 0.5005 MB / 0.4935 GB, free: 11.71 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001416/0.2033, allocations: 104.3 kB / 0.4936 GB, free: 11.59 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 9.947e-05/0.2034, allocations: 51.94 kB / 0.4936 GB, free: 11.54 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001589/0.205, allocations: 0.8278 MB / 0.4944 GB, free: 10.63 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.95e-05/0.2051, allocations: 7.938 kB / 0.4944 GB, free: 10.62 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.198e-05/0.2052, allocations: 24 kB / 0.4944 GB, free: 10.6 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.114e-05/0.2052, allocations: 36.98 kB / 0.4945 GB, free: 10.56 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001157/0.2064, allocations: 0.6009 MB / 0.4951 GB, free: 9.961 MB / 382.1 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 0.0054/0.2118, allocations: 4.708 MB / 0.4997 GB, free: 4.871 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006653/0.2125, allocations: 336.9 kB / 0.5 GB, free: 4.535 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0003125/0.2128, allocations: 422 kB / 0.5004 GB, free: 4.031 MB / 382.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.387e-05/0.2129, allocations: 42.56 kB / 0.5004 GB, free: 3.98 MB / 382.1 MB Notification: Performance of pre-optimization done (n=30): time 3.126e-06/0.2129, allocations: 0 / 0.5004 GB, free: 3.98 MB / 382.1 MB Notification: Performance of matching and sorting (n=36): time 0.004043/0.2169, allocations: 1.531 MB / 0.5019 GB, free: 2.371 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.912e-05/0.217, allocations: 132.5 kB / 0.502 GB, free: 2.211 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008154/0.2178, allocations: 0.6486 MB / 0.5027 GB, free: 1.555 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 4.765e-05/0.2179, allocations: 33.7 kB / 0.5027 GB, free: 1.516 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003451/0.2182, allocations: 394.5 kB / 0.5031 GB, free: 1.125 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001229/0.2184, allocations: 134.2 kB / 0.5032 GB, free: 0.9922 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 3.321e-05/0.2184, allocations: 12 kB / 0.5032 GB, free: 0.9805 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.0001918/0.2186, allocations: 378.7 kB / 0.5036 GB, free: 0.6016 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003452/0.219, allocations: 201.9 kB / 0.5038 GB, free: 416 kB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.2846/0.5036, allocations: 495 kB / 0.5043 GB, free: 49.62 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007599/0.5044, allocations: 293.3 kB / 0.5045 GB, free: 49.62 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.144e-06/0.5044, allocations: 6.062 kB / 0.5045 GB, free: 49.62 MB / 382.1 MB Notification: Performance of matching and sorting (n=88) (initialization): time 0.001633/0.5061, allocations: 0.8557 MB / 0.5054 GB, free: 49.51 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.936e-05/0.5061, allocations: 9 kB / 0.5054 GB, free: 49.51 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.72e-05/0.5061, allocations: 9.938 kB / 0.5054 GB, free: 49.51 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001409/0.5075, allocations: 280.8 kB / 0.5057 GB, free: 49.49 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004113/0.508, allocations: 123.2 kB / 0.5058 GB, free: 49.48 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001051/0.509, allocations: 1.4 MB / 0.5071 GB, free: 48.44 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005515/0.5096, allocations: 33.45 kB / 0.5072 GB, free: 48.44 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.224e-05/0.5097, allocations: 44.5 kB / 0.5072 GB, free: 48.44 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 42 * Number of states: 0 () * Number of discrete variables: 4 (volume.regularFlow[1],volume.regularFlow[2],volume.inFlow[2],volume.inFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (70): * Single equations (assignments): 68 * 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: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {1 4,1 14} Notification: Performance of prepare postOptimizeDAE: time 0.0003802/0.5101, allocations: 241.7 kB / 0.5075 GB, free: 48.32 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001077/0.5102, allocations: 72.77 kB / 0.5075 GB, free: 48.32 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001745/0.5119, allocations: 0.7201 MB / 0.5082 GB, free: 48.24 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.694e-06/0.5119, allocations: 4.688 kB / 0.5082 GB, free: 48.24 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.194e-06/0.512, allocations: 0.5156 kB / 0.5082 GB, free: 48.24 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.965e-06/0.512, allocations: 4.922 kB / 0.5082 GB, free: 48.24 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002135/0.5141, allocations: 1.202 MB / 0.5094 GB, free: 47.73 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.83e-06/0.5141, allocations: 2.562 kB / 0.5094 GB, free: 47.73 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001893/0.5143, allocations: 40.88 kB / 0.5094 GB, free: 47.72 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009133/0.5152, allocations: 210 kB / 0.5096 GB, free: 47.66 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.322e-05/0.5153, allocations: 13.52 kB / 0.5097 GB, free: 47.66 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009057/0.5162, allocations: 1.292 MB / 0.5109 GB, free: 46.52 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.925e-06/0.5162, allocations: 5.047 kB / 0.5109 GB, free: 46.52 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00142/0.5176, allocations: 0.8318 MB / 0.5117 GB, free: 46.06 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004094/0.5181, allocations: 190.9 kB / 0.5119 GB, free: 45.91 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.849e-05/0.5182, allocations: 7.922 kB / 0.5119 GB, free: 45.91 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003981/0.5186, allocations: 30.41 kB / 0.512 GB, free: 45.89 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.07e-05/0.5187, allocations: 20 kB / 0.512 GB, free: 45.89 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.286e-05/0.5187, allocations: 26.73 kB / 0.512 GB, free: 45.89 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0006775/0.5194, allocations: 451.1 kB / 0.5124 GB, free: 45.69 MB / 382.1 MB Notification: Performance of sort global known variables: time 1.7e-07/0.5194, allocations: 0 / 0.5124 GB, free: 45.69 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.001023/0.5204, allocations: 251.4 kB / 0.5127 GB, free: 45.66 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (volume.medium.T) * 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 (25): * Single equations (assignments): 23 * 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: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {1 4,2 7} Notification: Performance of Backend phase and start with SimCode phase: time 0.0006388/0.5211, allocations: 287.2 kB / 0.5129 GB, free: 45.57 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.001154/0.5223, allocations: 0.4951 MB / 0.5134 GB, free: 45.41 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 4.719e-06/0.5223, allocations: 0 / 0.5134 GB, free: 45.41 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0005275/0.5228, allocations: 223.6 kB / 0.5136 GB, free: 45.35 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001515/0.5243, allocations: 311 kB / 0.5139 GB, free: 45.29 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002394/0.5267, allocations: 1.484 MB / 0.5154 GB, free: 44.54 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005007/0.5272, allocations: 0.9412 MB / 0.5163 GB, free: 43.83 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0008381/0.5281, allocations: 248.4 kB / 0.5165 GB, free: 43.79 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001604/0.5283, allocations: 66.2 kB / 0.5166 GB, free: 43.77 MB / 382.1 MB Notification: Performance of SimCode: time 1.072e-06/0.5283, allocations: 0 / 0.5166 GB, free: 43.77 MB / 382.1 MB Notification: Performance of Templates: time 0.02465/0.5529, allocations: 13.92 MB / 0.5302 GB, free: 36.91 MB / 382.1 MB make -j1 -f ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.makefile (rm -f ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.sim & ./ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47 -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.pipe 2>&1) diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Media/TestsWithFluid/MediaTestModels/Incompressible/Glycol47/Glycol47.csv","../files/ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches