Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp.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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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.Examples.Performance.PressureDrop.ParallelDp,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|sin.ports.1..m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp") translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|sin.ports.1..m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001379/0.001379, allocations: 109.1 kB / 16.41 MB, free: 6.449 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001375/0.001375, allocations: 183 kB / 17.34 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.313/1.313, allocations: 222.9 MB / 241.1 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.391/2.391, allocations: 437 MB / 0.7112 GB, free: 4.453 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001252/0.001252, allocations: 67.84 kB / 1.019 GB, free: 9.477 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8297/0.831, allocations: 151.6 MB / 1.167 GB, free: 3.922 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp): time 0.1726/1.004, allocations: 161.6 MB / 1.325 GB, free: 1.684 MB / 1.045 GB Notification: Performance of NFInst.instExpressions: time 0.004751/1.008, allocations: 3.627 MB / 1.329 GB, free: 14.05 MB / 1.061 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003629/1.009, allocations: 11.94 kB / 1.329 GB, free: 14.04 MB / 1.061 GB Notification: Performance of NFTyping.typeComponents: time 0.0005926/1.009, allocations: 166.9 kB / 1.329 GB, free: 13.87 MB / 1.061 GB Notification: Performance of NFTyping.typeBindings: time 0.001362/1.011, allocations: 0.5484 MB / 1.329 GB, free: 13.32 MB / 1.061 GB Notification: Performance of NFTyping.typeClassSections: time 0.001174/1.012, allocations: 448.2 kB / 1.33 GB, free: 12.89 MB / 1.061 GB Notification: Performance of NFFlatten.flatten: time 0.002534/1.015, allocations: 2.576 MB / 1.332 GB, free: 10.3 MB / 1.061 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002766/1.017, allocations: 2.416 MB / 1.335 GB, free: 7.875 MB / 1.061 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002221/1.02, allocations: 1.063 MB / 1.336 GB, free: 6.809 MB / 1.061 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000952/1.02, allocations: 0.7117 MB / 1.336 GB, free: 6.094 MB / 1.061 GB Notification: Performance of NFPackage.collectConstants: time 0.0001124/1.021, allocations: 56 kB / 1.336 GB, free: 6.039 MB / 1.061 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001674/1.022, allocations: 0.7484 MB / 1.337 GB, free: 5.289 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.0003356/1.023, allocations: 310.9 kB / 1.337 GB, free: 4.984 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.0007308/1.023, allocations: 0.5519 MB / 1.338 GB, free: 4.43 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.001757/1.025, allocations: 1.432 MB / 1.339 GB, free: 2.996 MB / 1.061 GB Notification: Performance of FrontEnd - DAE generated: time 5.45e-06/1.025, allocations: 0 / 1.339 GB, free: 2.996 MB / 1.061 GB Notification: Performance of FrontEnd: time 1.412e-06/1.025, allocations: 0 / 1.339 GB, free: 2.996 MB / 1.061 GB Notification: Performance of Transformations before backend: time 1.911e-05/1.025, allocations: 0 / 1.339 GB, free: 2.996 MB / 1.061 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 125 * Number of variables: 125 Notification: Performance of Generate backend data structure: time 0.002209/1.027, allocations: 1.481 MB / 1.341 GB, free: 1.453 MB / 1.061 GB Notification: Performance of prepare preOptimizeDAE: time 3.461e-05/1.027, allocations: 8.625 kB / 1.341 GB, free: 1.445 MB / 1.061 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007288/1.028, allocations: 207 kB / 1.341 GB, free: 1.242 MB / 1.061 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001234/1.029, allocations: 0.8695 MB / 1.342 GB, free: 324 kB / 1.061 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.497e-05/1.029, allocations: 45 kB / 1.342 GB, free: 280 kB / 1.061 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.675e-05/1.03, allocations: 60 kB / 1.342 GB, free: 220 kB / 1.061 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001175/1.031, allocations: 0.8122 MB / 1.343 GB, free: 15.33 MB / 1.076 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.138e-05/1.031, allocations: 11.92 kB / 1.343 GB, free: 15.32 MB / 1.076 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.179e-05/1.031, allocations: 27.98 kB / 1.343 GB, free: 15.29 MB / 1.076 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.4e-05/1.031, allocations: 12 kB / 1.343 GB, free: 15.28 MB / 1.076 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008715/1.032, allocations: 0.5617 MB / 1.343 GB, free: 14.71 MB / 1.076 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 0.003874/1.036, allocations: 4.212 MB / 1.348 GB, free: 10.23 MB / 1.076 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006951/1.036, allocations: 442.2 kB / 1.348 GB, free: 9.789 MB / 1.076 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004629/1.037, allocations: 344.5 kB / 1.348 GB, free: 9.449 MB / 1.076 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003173/1.037, allocations: 194.2 kB / 1.348 GB, free: 9.223 MB / 1.076 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005221/1.038, allocations: 331.6 kB / 1.349 GB, free: 8.879 MB / 1.076 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0002456/1.038, allocations: 40.02 kB / 1.349 GB, free: 8.84 MB / 1.076 GB Notification: Performance of pre-optimization done (n=33): time 2.465e-06/1.038, allocations: 3.938 kB / 1.349 GB, free: 8.836 MB / 1.076 GB Notification: Performance of matching and sorting (n=33): time 0.001407/1.039, allocations: 0.7036 MB / 1.35 GB, free: 8.125 MB / 1.076 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.404e-05/1.039, allocations: 85.11 kB / 1.35 GB, free: 8.023 MB / 1.076 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001329/1.041, allocations: 1.155 MB / 1.351 GB, free: 6.852 MB / 1.076 GB Notification: Performance of collectPreVariables (initialization): time 4.532e-05/1.041, allocations: 33.7 kB / 1.351 GB, free: 6.812 MB / 1.076 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003854/1.041, allocations: 493.1 kB / 1.351 GB, free: 6.324 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 9.306e-05/1.041, allocations: 126.9 kB / 1.351 GB, free: 6.199 MB / 1.076 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001671/1.041, allocations: 110.2 kB / 1.351 GB, free: 6.086 MB / 1.076 GB Notification: Performance of setup shared object (initialization): time 0.000113/1.042, allocations: 329.9 kB / 1.352 GB, free: 5.758 MB / 1.076 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003878/1.042, allocations: 238.9 kB / 1.352 GB, free: 5.523 MB / 1.076 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006282/1.043, allocations: 0.5536 MB / 1.353 GB, free: 4.836 MB / 1.076 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008785/1.044, allocations: 0.6667 MB / 1.353 GB, free: 4.09 MB / 1.076 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.062e-06/1.044, allocations: 4 kB / 1.353 GB, free: 4.086 MB / 1.076 GB Notification: Performance of matching and sorting (n=56) (initialization): time 0.001231/1.045, allocations: 0.7713 MB / 1.354 GB, free: 3.301 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.032e-05/1.045, allocations: 33.7 kB / 1.354 GB, free: 3.262 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.238e-05/1.045, allocations: 8 kB / 1.354 GB, free: 3.254 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.194e-05/1.045, allocations: 8 kB / 1.354 GB, free: 3.246 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001967/1.047, allocations: 371.9 kB / 1.354 GB, free: 2.883 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003248/1.05, allocations: 6.079 MB / 1.36 GB, free: 12.57 MB / 1.092 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008351/1.051, allocations: 64 kB / 1.36 GB, free: 12.51 MB / 1.092 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.972e-05/1.051, allocations: 23.98 kB / 1.36 GB, free: 12.48 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007378/1.052, allocations: 0.5125 MB / 1.361 GB, free: 11.97 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005362/1.052, allocations: 0.5096 MB / 1.361 GB, free: 11.33 MB / 1.092 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007375/1.053, allocations: 0.5921 MB / 1.362 GB, free: 10.66 MB / 1.092 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.911e-06/1.053, allocations: 11.94 kB / 1.362 GB, free: 10.64 MB / 1.092 GB Notification: Performance of matching and sorting (n=56) (initialization_lambda0): time 0.001079/1.054, allocations: 0.7015 MB / 1.363 GB, free: 9.93 MB / 1.092 GB Notification: Performance of prepare postOptimizeDAE: time 4.118e-05/1.054, allocations: 33.7 kB / 1.363 GB, free: 9.891 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.873e-06/1.054, allocations: 4 kB / 1.363 GB, free: 9.887 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.004e-05/1.054, allocations: 8 kB / 1.363 GB, free: 9.879 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005955/1.055, allocations: 147.8 kB / 1.363 GB, free: 9.734 MB / 1.092 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.212e-05/1.055, allocations: 16.17 kB / 1.363 GB, free: 9.719 MB / 1.092 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006983/1.056, allocations: 68.27 kB / 1.363 GB, free: 9.652 MB / 1.092 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.889e-05/1.056, allocations: 27.92 kB / 1.363 GB, free: 9.625 MB / 1.092 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 (pulse_p.count,$PRE.pulse_p.count,pulse_p.T_start,$PRE.pulse_p.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (55): * Single equations (assignments): 44 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 10 * Torn equation systems: 0 * 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): 10 systems {1, 1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002038/1.056, allocations: 220.1 kB / 1.363 GB, free: 9.402 MB / 1.092 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001325/1.056, allocations: 111.2 kB / 1.363 GB, free: 9.293 MB / 1.092 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009789/1.057, allocations: 0.5388 MB / 1.364 GB, free: 8.75 MB / 1.092 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.112e-06/1.057, allocations: 4 kB / 1.364 GB, free: 8.746 MB / 1.092 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.244e-06/1.057, allocations: 4 kB / 1.364 GB, free: 8.742 MB / 1.092 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.35e-06/1.057, allocations: 3.984 kB / 1.364 GB, free: 8.738 MB / 1.092 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002085/1.059, allocations: 1.501 MB / 1.365 GB, free: 7.16 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.688e-06/1.059, allocations: 0 / 1.365 GB, free: 7.16 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006601/1.06, allocations: 160 kB / 1.365 GB, free: 7.004 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.425e-06/1.06, allocations: 7.984 kB / 1.365 GB, free: 6.996 MB / 1.092 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.395e-05/1.06, allocations: 11.94 kB / 1.365 GB, free: 6.984 MB / 1.092 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002895/1.063, allocations: 6.017 MB / 1.371 GB, free: 0.7344 MB / 1.092 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.39e-06/1.063, allocations: 7.969 kB / 1.371 GB, free: 0.7266 MB / 1.092 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009834/1.064, allocations: 0.6484 MB / 1.372 GB, free: 44 kB / 1.092 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003936/1.064, allocations: 232.3 kB / 1.372 GB, free: 15.8 MB / 1.107 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001091/1.064, allocations: 8 kB / 1.372 GB, free: 15.79 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005002/1.065, allocations: 43.94 kB / 1.372 GB, free: 15.75 MB / 1.107 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.891e-05/1.065, allocations: 31.84 kB / 1.372 GB, free: 15.71 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.894e-05/1.065, allocations: 19.98 kB / 1.372 GB, free: 15.7 MB / 1.107 GB Notification: Performance of sorting global known variables: time 0.0009908/1.066, allocations: 0.8159 MB / 1.373 GB, free: 14.87 MB / 1.107 GB Notification: Performance of sort global known variables: time 1.3e-07/1.066, allocations: 0 / 1.373 GB, free: 14.87 MB / 1.107 GB Notification: Performance of remove unused functions: time 0.00108/1.067, allocations: 431.5 kB / 1.373 GB, free: 14.45 MB / 1.107 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_p.T_start,pulse_p.count) * Number of discrete states: 1 (pulse_p.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (33): * Single equations (assignments): 21 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 10 * Torn equation systems: 0 * 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): 10 systems {1, 1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0004325/1.067, allocations: 180.3 kB / 1.374 GB, free: 14.27 MB / 1.107 GB Notification: Performance of simCode: created initialization part: time 0.003121/1.071, allocations: 1.175 MB / 1.375 GB, free: 13.07 MB / 1.107 GB Notification: Performance of simCode: created event and clocks part: time 1.863e-05/1.071, allocations: 0 / 1.375 GB, free: 13.07 MB / 1.107 GB Notification: Performance of simCode: created simulation system equations: time 0.0007875/1.071, allocations: 319.9 kB / 1.375 GB, free: 12.76 MB / 1.107 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001941/1.073, allocations: 0.4928 MB / 1.376 GB, free: 12.27 MB / 1.107 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002854/1.076, allocations: 1.975 MB / 1.378 GB, free: 10.24 MB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006823/1.077, allocations: 1.182 MB / 1.379 GB, free: 9.027 MB / 1.107 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000172/1.077, allocations: 71.44 kB / 1.379 GB, free: 8.957 MB / 1.107 GB Notification: Performance of SimCode: time 1.954e-06/1.077, allocations: 0 / 1.379 GB, free: 8.957 MB / 1.107 GB Notification: Performance of Templates: time 0.06281/1.14, allocations: 65.2 MB / 1.442 GB, free: 7.766 MB / 1.17 GB make -j1 -f Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp.makefile (rm -f Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp.pipe ; mkfifo Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp.pipe >> ../files/Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp.sim & ./Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Examples_Performance_PressureDrop_ParallelDp.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelDp.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches