Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.3 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo) Using package ModelicaServices with version 3.2.3 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Running command: translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|volume.medium.T|volume.medium.p",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater") translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|volume.medium.T|volume.medium.p",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009274/0.0009276, allocations: 179.6 kB / 16.08 MB, free: 5.539 MB / 13.93 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.467/1.467, allocations: 205.6 MB / 222.4 MB, free: 13.53 MB / 186.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001123/0.001123, allocations: 94.23 kB / 270.8 MB, free: 13.06 MB / 234.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.1995/0.1995, allocations: 43.68 MB / 362.7 MB, free: 11.02 MB / 266.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0003146/0.0003148, allocations: 8 kB / 432.3 MB, free: 19.09 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1136/0.1139, allocations: 58.86 MB / 491.2 MB, free: 8.105 MB / 330.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater): time 0.02224/0.1363, allocations: 24.59 MB / 0.5037 GB, free: 14.21 MB / 362.7 MB Notification: Performance of NFInst.instExpressions: time 0.007844/0.1442, allocations: 6.247 MB / 0.5098 GB, free: 7.477 MB / 362.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001065/0.1453, allocations: 23.81 kB / 0.5098 GB, free: 7.453 MB / 362.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001128/0.1464, allocations: 282.5 kB / 0.5101 GB, free: 7.176 MB / 362.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002578/0.149, allocations: 0.797 MB / 0.5109 GB, free: 6.375 MB / 362.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002678/0.1517, allocations: 0.8029 MB / 0.5116 GB, free: 5.57 MB / 362.7 MB Notification: Performance of NFFlatten.flatten: time 0.003547/0.1553, allocations: 2.656 MB / 0.5142 GB, free: 2.906 MB / 362.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0009418/0.1563, allocations: 393 kB / 0.5146 GB, free: 2.516 MB / 362.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002419/0.1587, allocations: 0.8326 MB / 0.5154 GB, free: 1.68 MB / 362.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001358/0.1601, allocations: 0.6421 MB / 0.516 GB, free: 1.035 MB / 362.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0002091/0.1603, allocations: 32 kB / 0.5161 GB, free: 1.004 MB / 362.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001028/0.1613, allocations: 263.6 kB / 0.5163 GB, free: 0.7461 MB / 362.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0004307/0.1618, allocations: 231.3 kB / 0.5165 GB, free: 0.5195 MB / 362.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0007335/0.1625, allocations: 388 kB / 0.5169 GB, free: 136 kB / 362.7 MB Notification: Performance of NFConvertDAE.convert: time 0.2228/0.3853, allocations: 1.028 MB / 0.5179 GB, free: 23.35 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.619e-06/0.3854, allocations: 0 / 0.5179 GB, free: 23.35 MB / 362.7 MB Notification: Performance of FrontEnd: time 1.553e-06/0.3854, allocations: 1.25 kB / 0.5179 GB, free: 23.35 MB / 362.7 MB Notification: Performance of Transformations before backend: time 1.724e-05/0.3854, allocations: 0 / 0.5179 GB, free: 23.35 MB / 362.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 130 * Number of variables: 130 Notification: Performance of Generate backend data structure: time 0.0021/0.3875, allocations: 0.919 MB / 0.5188 GB, free: 22.81 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.848e-05/0.3876, allocations: 9.219 kB / 0.5188 GB, free: 22.81 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003302/0.3879, allocations: 88.5 kB / 0.5189 GB, free: 22.78 MB / 362.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007813/0.3887, allocations: 0.5058 MB / 0.5194 GB, free: 22.52 MB / 362.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001025/0.3888, allocations: 103.2 kB / 0.5195 GB, free: 22.45 MB / 362.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001002/0.3889, allocations: 49.86 kB / 0.5196 GB, free: 22.45 MB / 362.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001368/0.3903, allocations: 0.8199 MB / 0.5204 GB, free: 22.23 MB / 362.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.145e-05/0.3903, allocations: 4.375 kB / 0.5204 GB, free: 22.23 MB / 362.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.137e-05/0.3904, allocations: 26.38 kB / 0.5204 GB, free: 22.23 MB / 362.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.429e-05/0.3905, allocations: 41 kB / 0.5204 GB, free: 22.23 MB / 362.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001089/0.3916, allocations: 0.6373 MB / 0.521 GB, free: 22.23 MB / 362.7 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 0.004471/0.396, allocations: 4.227 MB / 0.5252 GB, free: 19.43 MB / 362.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0008279/0.3969, allocations: 417.3 kB / 0.5256 GB, free: 19.4 MB / 362.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003107/0.3972, allocations: 206.7 kB / 0.5258 GB, free: 19.39 MB / 362.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0003856/0.3976, allocations: 0.4953 MB / 0.5263 GB, free: 18.83 MB / 362.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.267e-05/0.3976, allocations: 39.27 kB / 0.5263 GB, free: 18.79 MB / 362.7 MB Notification: Performance of pre-optimization done (n=40): time 2.244e-06/0.3976, allocations: 2.844 kB / 0.5263 GB, free: 18.79 MB / 362.7 MB Notification: Performance of matching and sorting (n=45): time 0.003385/0.401, allocations: 1.527 MB / 0.5278 GB, free: 18.38 MB / 362.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.507e-05/0.4011, allocations: 138.5 kB / 0.5279 GB, free: 18.22 MB / 362.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007796/0.4019, allocations: 0.5641 MB / 0.5285 GB, free: 18.09 MB / 362.7 MB Notification: Performance of collectPreVariables (initialization): time 4.006e-05/0.4019, allocations: 35.14 kB / 0.5285 GB, free: 18.06 MB / 362.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002186/0.4022, allocations: 353 kB / 0.5288 GB, free: 17.88 MB / 362.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001168/0.4023, allocations: 164.7 kB / 0.529 GB, free: 17.77 MB / 362.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 3.193e-05/0.4023, allocations: 13.38 kB / 0.529 GB, free: 17.77 MB / 362.7 MB Notification: Performance of setup shared object (initialization): time 0.0001055/0.4024, allocations: 377.1 kB / 0.5294 GB, free: 17.46 MB / 362.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003891/0.4028, allocations: 222.2 kB / 0.5296 GB, free: 17.46 MB / 362.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005108/0.4034, allocations: 0.522 MB / 0.5301 GB, free: 17.09 MB / 362.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008986/0.4043, allocations: 0.7673 MB / 0.5308 GB, free: 16.73 MB / 362.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.072e-06/0.4043, allocations: 3.219 kB / 0.5308 GB, free: 16.73 MB / 362.7 MB Notification: Performance of matching and sorting (n=88) (initialization): time 0.001956/0.4062, allocations: 0.9606 MB / 0.5318 GB, free: 16.64 MB / 362.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.957e-05/0.4063, allocations: 13.09 kB / 0.5318 GB, free: 16.64 MB / 362.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.369e-05/0.4063, allocations: 14.58 kB / 0.5318 GB, free: 16.63 MB / 362.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.00122/0.4075, allocations: 266 kB / 0.5321 GB, free: 16.62 MB / 362.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004479/0.408, allocations: 122.8 kB / 0.5322 GB, free: 16.62 MB / 362.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008472/0.4089, allocations: 0.8694 MB / 0.533 GB, free: 16.09 MB / 362.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006216/0.4095, allocations: 40.8 kB / 0.5331 GB, free: 16.09 MB / 362.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.975e-05/0.4096, allocations: 37.75 kB / 0.5331 GB, free: 16.09 MB / 362.7 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 (73): * Single equations (assignments): 72 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0003792/0.41, allocations: 252.3 kB / 0.5333 GB, free: 15.96 MB / 362.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001019/0.4101, allocations: 66.48 kB / 0.5334 GB, free: 15.93 MB / 362.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001411/0.4115, allocations: 0.7142 MB / 0.5341 GB, free: 15.83 MB / 362.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.775e-05/0.4115, allocations: 6.922 kB / 0.5341 GB, free: 15.83 MB / 362.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.773e-06/0.4115, allocations: 6.781 kB / 0.5341 GB, free: 15.83 MB / 362.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.813e-06/0.4115, allocations: 2.812 kB / 0.5341 GB, free: 15.83 MB / 362.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002103/0.4136, allocations: 1.402 MB / 0.5355 GB, free: 15.44 MB / 362.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.953e-06/0.4137, allocations: 3.297 kB / 0.5355 GB, free: 15.44 MB / 362.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009917/0.4147, allocations: 196.7 kB / 0.5357 GB, free: 15.44 MB / 362.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002924/0.415, allocations: 64.2 kB / 0.5357 GB, free: 15.43 MB / 362.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.917e-05/0.415, allocations: 13.62 kB / 0.5358 GB, free: 15.43 MB / 362.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001637/0.4167, allocations: 2.794 MB / 0.5385 GB, free: 12.84 MB / 362.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.787e-06/0.4167, allocations: 2 kB / 0.5385 GB, free: 12.84 MB / 362.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001448/0.4181, allocations: 0.9956 MB / 0.5395 GB, free: 12.59 MB / 362.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0003098/0.4185, allocations: 203.2 kB / 0.5396 GB, free: 12.46 MB / 362.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.19e-05/0.4186, allocations: 13.44 kB / 0.5397 GB, free: 12.46 MB / 362.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004147/0.419, allocations: 28.69 kB / 0.5397 GB, free: 12.45 MB / 362.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.015e-05/0.4191, allocations: 43.7 kB / 0.5397 GB, free: 12.45 MB / 362.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.626e-05/0.4191, allocations: 24.36 kB / 0.5398 GB, free: 12.45 MB / 362.7 MB Notification: Performance of sorting global known variables: time 0.0004878/0.4196, allocations: 420.2 kB / 0.5402 GB, free: 12.35 MB / 362.7 MB Notification: Performance of sort global known variables: time 1.2e-07/0.4196, allocations: 0 / 0.5402 GB, free: 12.35 MB / 362.7 MB Notification: Performance of remove unused functions: time 0.0008604/0.4205, allocations: 208.8 kB / 0.5404 GB, free: 12.34 MB / 362.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 2 (volume.medium.p,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 (47): * Single equations (assignments): 43 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0005077/0.421, allocations: 237.7 kB / 0.5406 GB, free: 12.22 MB / 362.7 MB Notification: Performance of simCode: created initialization part: time 0.00132/0.4223, allocations: 0.6092 MB / 0.5412 GB, free: 12.2 MB / 362.7 MB Notification: Performance of simCode: created event and clocks part: time 3.236e-06/0.4224, allocations: 4 kB / 0.5412 GB, free: 12.2 MB / 362.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0012/0.4236, allocations: 477.4 kB / 0.5416 GB, free: 12.09 MB / 362.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001674/0.4253, allocations: 357.4 kB / 0.542 GB, free: 12.06 MB / 362.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001912/0.4272, allocations: 1.718 MB / 0.5437 GB, free: 11.23 MB / 362.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003341/0.4275, allocations: 0.9403 MB / 0.5446 GB, free: 10.52 MB / 362.7 MB Notification: Performance of simCode: alias equations: time 0.0006982/0.4282, allocations: 215 kB / 0.5448 GB, free: 10.45 MB / 362.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001399/0.4284, allocations: 59.83 kB / 0.5448 GB, free: 10.45 MB / 362.7 MB Notification: Performance of SimCode: time 2.81e-07/0.4284, allocations: 0 / 0.5448 GB, free: 10.45 MB / 362.7 MB Notification: Performance of Templates: time 0.02084/0.4492, allocations: 14.44 MB / 0.5589 GB, free: 2.723 MB / 362.7 MB make -j1 -f ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater.makefile (rm -f ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater.sim & ./ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater.pipe 2>&1) diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Media/TestsWithFluid/MediaTestModels/LinearFluid/LinearColdWater/LinearColdWater.csv","../files/ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearColdWater.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches