Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit.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/Buildings 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/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(Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|res11.m_flow|res21.m_flow|res31.dp|res41.dp",fileNamePrefix="Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit") translateModel(Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|res11.m_flow|res21.m_flow|res31.dp|res41.dp",fileNamePrefix="Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001463/0.001463, allocations: 106.7 kB / 16.41 MB, free: 6.027 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001442/0.001442, allocations: 180.2 kB / 17.34 MB, free: 5.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.373/1.373, allocations: 222.9 MB / 241 MB, free: 15.17 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.539/2.539, allocations: 390.3 MB / 0.6655 GB, free: 0.6289 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001405/0.001405, allocations: 67.89 kB / 0.9515 GB, free: 7.625 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8216/0.823, allocations: 140.4 MB / 1.089 GB, free: 5.512 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit): time 0.2849/1.108, allocations: 241.9 MB / 1.325 GB, free: 11.6 MB / 1.061 GB Notification: Performance of NFInst.instExpressions: time 0.02193/1.13, allocations: 13.54 MB / 1.338 GB, free: 14.02 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002296/1.132, allocations: 59.62 kB / 1.338 GB, free: 13.96 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 0.002985/1.135, allocations: 0.9743 MB / 1.339 GB, free: 12.98 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.005378/1.141, allocations: 1.787 MB / 1.341 GB, free: 11.19 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.00351/1.144, allocations: 1.244 MB / 1.342 GB, free: 9.961 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.005017/1.149, allocations: 3.293 MB / 1.345 GB, free: 6.652 MB / 1.076 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002086/1.151, allocations: 1.071 MB / 1.346 GB, free: 5.562 MB / 1.076 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01113/1.163, allocations: 4.144 MB / 1.35 GB, free: 1.402 MB / 1.076 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001888/1.164, allocations: 0.9138 MB / 1.351 GB, free: 496 kB / 1.076 GB Notification: Performance of NFPackage.collectConstants: time 0.0004288/1.165, allocations: 80 kB / 1.351 GB, free: 416 kB / 1.076 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002594/1.168, allocations: 1.033 MB / 1.352 GB, free: 15.37 MB / 1.092 GB Notification: Performance of NFScalarize.scalarize: time 0.0007221/1.168, allocations: 442.6 kB / 1.353 GB, free: 14.94 MB / 1.092 GB Notification: Performance of NFVerifyModel.verify: time 0.001372/1.17, allocations: 0.6839 MB / 1.353 GB, free: 14.25 MB / 1.092 GB Notification: Performance of NFConvertDAE.convert: time 0.00329/1.173, allocations: 1.662 MB / 1.355 GB, free: 12.58 MB / 1.092 GB Notification: Performance of FrontEnd - DAE generated: time 4.639e-06/1.173, allocations: 0 / 1.355 GB, free: 12.58 MB / 1.092 GB Notification: Performance of FrontEnd: time 3.457e-06/1.173, allocations: 0 / 1.355 GB, free: 12.58 MB / 1.092 GB Notification: Performance of Transformations before backend: time 6.764e-05/1.173, allocations: 3.938 kB / 1.355 GB, free: 12.58 MB / 1.092 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 193 * Number of variables: 193 Notification: Performance of Generate backend data structure: time 0.002875/1.176, allocations: 1.639 MB / 1.357 GB, free: 10.88 MB / 1.092 GB Notification: Performance of prepare preOptimizeDAE: time 4.042e-05/1.176, allocations: 8.031 kB / 1.357 GB, free: 10.88 MB / 1.092 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007591/1.177, allocations: 198.2 kB / 1.357 GB, free: 10.68 MB / 1.092 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001724/1.179, allocations: 0.9088 MB / 1.358 GB, free: 9.715 MB / 1.092 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001413/1.179, allocations: 129.4 kB / 1.358 GB, free: 9.578 MB / 1.092 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001165/1.179, allocations: 83.98 kB / 1.358 GB, free: 9.496 MB / 1.092 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001575/1.18, allocations: 0.9376 MB / 1.359 GB, free: 8.469 MB / 1.092 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.855e-05/1.18, allocations: 7.938 kB / 1.359 GB, free: 8.461 MB / 1.092 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001026/1.181, allocations: 32 kB / 1.359 GB, free: 8.43 MB / 1.092 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.147e-05/1.181, allocations: 23.94 kB / 1.359 GB, free: 8.406 MB / 1.092 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001004/1.182, allocations: 0.5111 MB / 1.359 GB, free: 7.891 MB / 1.092 GB 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 0.005339/1.187, allocations: 4.892 MB / 1.364 GB, free: 2.691 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005607/1.188, allocations: 424.6 kB / 1.365 GB, free: 2.148 MB / 1.092 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004181/1.188, allocations: 288 kB / 1.365 GB, free: 1.824 MB / 1.092 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001791/1.188, allocations: 105.1 kB / 1.365 GB, free: 1.703 MB / 1.092 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.198e-05/1.188, allocations: 58.5 kB / 1.365 GB, free: 1.637 MB / 1.092 GB Notification: Performance of pre-optimization done (n=35): time 3.035e-06/1.188, allocations: 0 / 1.365 GB, free: 1.637 MB / 1.092 GB Notification: Performance of matching and sorting (n=35): time 0.002432/1.191, allocations: 0.8676 MB / 1.366 GB, free: 0.7188 MB / 1.092 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001713/1.191, allocations: 401.5 kB / 1.366 GB, free: 240 kB / 1.092 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001489/1.192, allocations: 1.239 MB / 1.367 GB, free: 14.98 MB / 1.107 GB Notification: Performance of collectPreVariables (initialization): time 6.509e-05/1.192, allocations: 45.64 kB / 1.367 GB, free: 14.93 MB / 1.107 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004113/1.193, allocations: 0.5225 MB / 1.368 GB, free: 14.41 MB / 1.107 GB Notification: Performance of collectInitialBindings (initialization): time 0.000108/1.193, allocations: 126.1 kB / 1.368 GB, free: 14.28 MB / 1.107 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001253/1.193, allocations: 85.67 kB / 1.368 GB, free: 14.19 MB / 1.107 GB Notification: Performance of setup shared object (initialization): time 0.0001128/1.193, allocations: 318 kB / 1.368 GB, free: 13.88 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002301/1.193, allocations: 108.8 kB / 1.369 GB, free: 13.77 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000415/1.194, allocations: 346.2 kB / 1.369 GB, free: 13.33 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005515/1.194, allocations: 352.5 kB / 1.369 GB, free: 12.94 MB / 1.107 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.769e-06/1.194, allocations: 0 / 1.369 GB, free: 12.94 MB / 1.107 GB Notification: Performance of matching and sorting (n=37) (initialization): time 0.001312/1.196, allocations: 0.5636 MB / 1.37 GB, free: 12.36 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 2.063e-05/1.196, allocations: 7.938 kB / 1.37 GB, free: 12.36 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.678e-06/1.196, allocations: 4.281 kB / 1.37 GB, free: 12.35 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006045/1.196, allocations: 121.5 kB / 1.37 GB, free: 12.23 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004675/1.197, allocations: 91.88 kB / 1.37 GB, free: 12.14 MB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001341/1.198, allocations: 2.312 MB / 1.372 GB, free: 9.727 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000768/1.199, allocations: 107 kB / 1.372 GB, free: 9.621 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.449e-05/1.199, allocations: 16 kB / 1.372 GB, free: 9.605 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004875/1.2, allocations: 323.7 kB / 1.373 GB, free: 9.285 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003927/1.2, allocations: 336.9 kB / 1.373 GB, free: 8.863 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004738/1.2, allocations: 336.6 kB / 1.373 GB, free: 8.488 MB / 1.107 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.377e-06/1.2, allocations: 3.938 kB / 1.373 GB, free: 8.484 MB / 1.107 GB Notification: Performance of matching and sorting (n=37) (initialization_lambda0): time 0.0009199/1.201, allocations: 0.4978 MB / 1.374 GB, free: 7.973 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 1.483e-05/1.201, allocations: 11.94 kB / 1.374 GB, free: 7.961 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.16e-06/1.201, allocations: 4 kB / 1.374 GB, free: 7.957 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002338/1.202, allocations: 69.67 kB / 1.374 GB, free: 7.883 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002425/1.202, allocations: 71.92 kB / 1.374 GB, free: 7.812 MB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002658/1.205, allocations: 3.25 MB / 1.377 GB, free: 4.285 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009081/1.206, allocations: 63.72 kB / 1.377 GB, free: 4.223 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.899e-05/1.206, allocations: 20 kB / 1.377 GB, free: 4.203 MB / 1.107 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * 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 (31): * Single equations (assignments): 27 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * 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): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems 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): 2 systems {(1,3), (1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0003146/1.206, allocations: 212.3 kB / 1.377 GB, free: 3.988 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003996/1.206, allocations: 134.3 kB / 1.378 GB, free: 3.855 MB / 1.107 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008793/1.207, allocations: 445.4 kB / 1.378 GB, free: 3.398 MB / 1.107 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.366e-06/1.207, allocations: 8 kB / 1.378 GB, free: 3.391 MB / 1.107 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.931e-06/1.207, allocations: 15.94 kB / 1.378 GB, free: 3.375 MB / 1.107 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.612e-06/1.207, allocations: 4 kB / 1.378 GB, free: 3.371 MB / 1.107 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003323/1.211, allocations: 2.542 MB / 1.381 GB, free: 0.6914 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.997e-06/1.211, allocations: 4.062 kB / 1.381 GB, free: 0.6875 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002487/1.211, allocations: 83.81 kB / 1.381 GB, free: 0.6055 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002017/1.211, allocations: 73.67 kB / 1.381 GB, free: 0.5273 MB / 1.107 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.508e-05/1.211, allocations: 15.98 kB / 1.381 GB, free: 0.5117 MB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001279/1.212, allocations: 2.308 MB / 1.383 GB, free: 14.11 MB / 1.123 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.703e-06/1.212, allocations: 7.938 kB / 1.383 GB, free: 14.1 MB / 1.123 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009423/1.213, allocations: 0.7839 MB / 1.384 GB, free: 13.23 MB / 1.123 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003674/1.214, allocations: 247.4 kB / 1.384 GB, free: 12.96 MB / 1.123 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001325/1.214, allocations: 12 kB / 1.384 GB, free: 12.95 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006634/1.215, allocations: 47.89 kB / 1.384 GB, free: 12.91 MB / 1.123 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.694e-05/1.215, allocations: 39.84 kB / 1.384 GB, free: 12.87 MB / 1.123 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.082e-05/1.215, allocations: 19.98 kB / 1.384 GB, free: 12.85 MB / 1.123 GB Notification: Performance of sorting global known variables: time 0.001025/1.216, allocations: 0.8644 MB / 1.385 GB, free: 11.98 MB / 1.123 GB Notification: Performance of sort global known variables: time 1.81e-07/1.216, allocations: 0 / 1.385 GB, free: 11.98 MB / 1.123 GB Notification: Performance of remove unused functions: time 0.001253/1.217, allocations: 451.4 kB / 1.385 GB, free: 11.54 MB / 1.123 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 22 * 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 simulation (27): * Single equations (assignments): 23 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * 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): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems 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): 2 systems {(1,3), (1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005031/1.217, allocations: 233.6 kB / 1.386 GB, free: 11.32 MB / 1.123 GB Notification: Performance of simCode: created initialization part: time 0.001786/1.219, allocations: 0.7285 MB / 1.386 GB, free: 10.56 MB / 1.123 GB Notification: Performance of simCode: created event and clocks part: time 4.749e-06/1.219, allocations: 4.062 kB / 1.386 GB, free: 10.56 MB / 1.123 GB Notification: Performance of simCode: created simulation system equations: time 0.0004902/1.22, allocations: 197.8 kB / 1.386 GB, free: 10.37 MB / 1.123 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003389/1.223, allocations: 0.7523 MB / 1.387 GB, free: 9.625 MB / 1.123 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00302/1.226, allocations: 1.877 MB / 1.389 GB, free: 7.645 MB / 1.123 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007414/1.227, allocations: 1.127 MB / 1.39 GB, free: 6.488 MB / 1.123 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001726/1.227, allocations: 83.44 kB / 1.39 GB, free: 6.406 MB / 1.123 GB Notification: Performance of SimCode: time 9.42e-07/1.227, allocations: 0 / 1.39 GB, free: 6.406 MB / 1.123 GB Notification: Performance of Templates: time 0.04277/1.27, allocations: 36.88 MB / 1.426 GB, free: 1.68 MB / 1.154 GB make -j1 -f Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit.makefile (rm -f Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit.pipe ; mkfifo Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit.pipe >> ../files/Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit.sim & ./Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Fluid_FixedResistances_Validation_PressureDropsExplicit.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Fluid.FixedResistances.Validation.PressureDropsExplicit.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches