Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y.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 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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(Buildings.Fluid.HeatPumps.Examples.Carnot_y,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|heaPum.sta_a1.T|heaPum.sta_b1.T|heaPum.sta_a2.T|heaPum.sta_b2.T|heaPum.QEva_flow|heaPum.QCon_flow|heaPum.P|heaPum.dp1|heaPum.dp2|heaPum.COP_nominal|heaPum.COP",fileNamePrefix="Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y") translateModel(Buildings.Fluid.HeatPumps.Examples.Carnot_y,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|heaPum.sta_a1.T|heaPum.sta_b1.T|heaPum.sta_a2.T|heaPum.sta_b2.T|heaPum.QEva_flow|heaPum.QCon_flow|heaPum.P|heaPum.dp1|heaPum.dp2|heaPum.COP_nominal|heaPum.COP",fileNamePrefix="Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008177/0.008177, allocations: 105.9 kB / 15.73 MB, free: 6 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001941/0.001941, allocations: 189 kB / 16.67 MB, free: 5.926 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.386/1.386, allocations: 222.9 MB / 240.4 MB, free: 15.08 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.516/2.516, allocations: 461.9 MB / 0.7348 GB, free: 11.09 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001233/0.001233, allocations: 75.83 kB / 1.054 GB, free: 7.688 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8528/0.854, allocations: 157.4 MB / 1.208 GB, free: 13.6 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Examples.Carnot_y): time 0.07171/0.9258, allocations: 75.21 MB / 1.281 GB, free: 2.137 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.02063/0.9464, allocations: 15.17 MB / 1.296 GB, free: 2.922 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002446/0.9489, allocations: 67.62 kB / 1.296 GB, free: 2.855 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.002426/0.9514, allocations: 0.8541 MB / 1.297 GB, free: 1.996 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.007352/0.9588, allocations: 2.718 MB / 1.3 GB, free: 15.27 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.003864/0.9626, allocations: 1.402 MB / 1.301 GB, free: 13.88 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.00631/0.969, allocations: 4.409 MB / 1.305 GB, free: 9.457 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002358/0.9713, allocations: 1.445 MB / 1.307 GB, free: 7.984 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003867/0.9752, allocations: 1.685 MB / 1.308 GB, free: 6.297 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002086/0.9773, allocations: 1.211 MB / 1.309 GB, free: 5.082 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.0004522/0.9778, allocations: 164 kB / 1.31 GB, free: 4.922 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003124/0.9809, allocations: 1.404 MB / 1.311 GB, free: 3.516 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.0005417/0.9815, allocations: 394.6 kB / 1.311 GB, free: 3.129 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.001486/0.983, allocations: 0.906 MB / 1.312 GB, free: 2.219 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.004517/0.9875, allocations: 2.861 MB / 1.315 GB, free: 15.35 MB / 1.045 GB Notification: Performance of FrontEnd - DAE generated: time 5.55e-06/0.9875, allocations: 4 kB / 1.315 GB, free: 15.34 MB / 1.045 GB Notification: Performance of FrontEnd: time 1.523e-06/0.9875, allocations: 0 / 1.315 GB, free: 15.34 MB / 1.045 GB Notification: Performance of Transformations before backend: time 6.912e-05/0.9876, allocations: 0 / 1.315 GB, free: 15.34 MB / 1.045 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 240 * Number of variables: 240 Notification: Performance of Generate backend data structure: time 0.004177/0.9918, allocations: 2.075 MB / 1.317 GB, free: 13.21 MB / 1.045 GB Notification: Performance of prepare preOptimizeDAE: time 4.02e-05/0.9918, allocations: 8.031 kB / 1.317 GB, free: 13.2 MB / 1.045 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008421/0.9927, allocations: 230.8 kB / 1.317 GB, free: 12.97 MB / 1.045 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002526/0.9952, allocations: 1.528 MB / 1.319 GB, free: 11.39 MB / 1.045 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.869e-05/0.9953, allocations: 77.94 kB / 1.319 GB, free: 11.31 MB / 1.045 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001431/0.9954, allocations: 104 kB / 1.319 GB, free: 11.21 MB / 1.045 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001857/0.9973, allocations: 1.108 MB / 1.32 GB, free: 10.07 MB / 1.045 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.576e-05/0.9974, allocations: 4 kB / 1.32 GB, free: 10.06 MB / 1.045 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.389e-05/0.9974, allocations: 36 kB / 1.32 GB, free: 10.03 MB / 1.045 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.273e-05/0.9975, allocations: 24 kB / 1.32 GB, free: 10 MB / 1.045 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001763/0.9993, allocations: 0.8939 MB / 1.321 GB, free: 9.113 MB / 1.045 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 0.005734/1.005, allocations: 4.9 MB / 1.326 GB, free: 3.926 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001342/1.006, allocations: 0.6081 MB / 1.326 GB, free: 3.312 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006588/1.007, allocations: 351.6 kB / 1.327 GB, free: 2.969 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005715/1.008, allocations: 0.8277 MB / 1.327 GB, free: 1.957 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.877e-05/1.008, allocations: 39.12 kB / 1.328 GB, free: 1.906 MB / 1.045 GB Notification: Performance of pre-optimization done (n=61): time 2.465e-06/1.008, allocations: 0 / 1.328 GB, free: 1.906 MB / 1.045 GB Notification: Performance of matching and sorting (n=61): time 0.00644/1.014, allocations: 1.693 MB / 1.329 GB, free: 192 kB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.311e-05/1.014, allocations: 55.97 kB / 1.329 GB, free: 124 kB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001631/1.016, allocations: 1.226 MB / 1.33 GB, free: 14.88 MB / 1.061 GB Notification: Performance of collectPreVariables (initialization): time 8.253e-05/1.016, allocations: 45.7 kB / 1.33 GB, free: 14.82 MB / 1.061 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004756/1.016, allocations: 0.6064 MB / 1.331 GB, free: 14.21 MB / 1.061 GB Notification: Performance of collectInitialBindings (initialization): time 0.000181/1.017, allocations: 209 kB / 1.331 GB, free: 14.01 MB / 1.061 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002222/1.017, allocations: 162.5 kB / 1.331 GB, free: 13.84 MB / 1.061 GB Notification: Performance of setup shared object (initialization): time 0.0001093/1.017, allocations: 330 kB / 1.332 GB, free: 13.52 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006228/1.018, allocations: 288.7 kB / 1.332 GB, free: 13.23 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008082/1.018, allocations: 0.489 MB / 1.332 GB, free: 12.66 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001317/1.02, allocations: 0.7244 MB / 1.333 GB, free: 11.89 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.279e-06/1.02, allocations: 4 kB / 1.333 GB, free: 11.89 MB / 1.061 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.004188/1.024, allocations: 1.277 MB / 1.334 GB, free: 10.6 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 2.087e-05/1.024, allocations: 4 kB / 1.334 GB, free: 10.6 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.057e-05/1.024, allocations: 4 kB / 1.334 GB, free: 10.59 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005544/1.024, allocations: 136.8 kB / 1.335 GB, free: 10.46 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005726/1.025, allocations: 155.8 kB / 1.335 GB, free: 10.3 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000793/1.026, allocations: 0.7122 MB / 1.335 GB, free: 9.566 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009252/1.027, allocations: 123 kB / 1.336 GB, free: 9.445 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.211e-05/1.027, allocations: 28 kB / 1.336 GB, free: 9.418 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009815/1.028, allocations: 0.5565 MB / 1.336 GB, free: 8.855 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007395/1.029, allocations: 495.1 kB / 1.337 GB, free: 8.297 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001276/1.03, allocations: 0.709 MB / 1.337 GB, free: 7.535 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.018e-06/1.03, allocations: 4 kB / 1.337 GB, free: 7.531 MB / 1.061 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004133/1.034, allocations: 1.257 MB / 1.339 GB, free: 6.262 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 1.385e-05/1.034, allocations: 8.375 kB / 1.339 GB, free: 6.254 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.741e-06/1.034, allocations: 8 kB / 1.339 GB, free: 6.246 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004497/1.035, allocations: 132.7 kB / 1.339 GB, free: 6.113 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005777/1.035, allocations: 171.6 kB / 1.339 GB, free: 5.945 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007433/1.036, allocations: 0.6967 MB / 1.34 GB, free: 5.223 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009281/1.037, allocations: 99.36 kB / 1.34 GB, free: 5.125 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.051e-05/1.037, allocations: 40.05 kB / 1.34 GB, free: 5.086 MB / 1.061 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (78): * Single equations (assignments): 77 * 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 {(1,10)} Notification: Performance of prepare postOptimizeDAE: time 0.0002441/1.037, allocations: 228 kB / 1.34 GB, free: 4.855 MB / 1.061 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000231/1.037, allocations: 130.4 kB / 1.34 GB, free: 4.727 MB / 1.061 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004164/1.042, allocations: 1.263 MB / 1.341 GB, free: 3.441 MB / 1.061 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.4e-05/1.042, allocations: 8 kB / 1.341 GB, free: 3.434 MB / 1.061 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.711e-06/1.042, allocations: 4 kB / 1.341 GB, free: 3.43 MB / 1.061 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003811/1.045, allocations: 1.103 MB / 1.342 GB, free: 2.293 MB / 1.061 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006109/1.052, allocations: 2.621 MB / 1.345 GB, free: 15.56 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.474e-06/1.052, allocations: 4 kB / 1.345 GB, free: 15.55 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004909/1.052, allocations: 111.8 kB / 1.345 GB, free: 15.45 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004419/1.053, allocations: 133.2 kB / 1.345 GB, free: 15.31 MB / 1.076 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.618e-05/1.053, allocations: 23.98 kB / 1.345 GB, free: 15.29 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00469/1.057, allocations: 2.626 MB / 1.348 GB, free: 12.51 MB / 1.076 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.919e-06/1.057, allocations: 4 kB / 1.348 GB, free: 12.51 MB / 1.076 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005043/1.062, allocations: 1.703 MB / 1.349 GB, free: 10.73 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006084/1.063, allocations: 311.2 kB / 1.35 GB, free: 10.41 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001543/1.063, allocations: 16 kB / 1.35 GB, free: 10.39 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000719/1.064, allocations: 51.94 kB / 1.35 GB, free: 10.34 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001207/1.064, allocations: 60.3 kB / 1.35 GB, free: 10.28 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.409e-05/1.064, allocations: 31.98 kB / 1.35 GB, free: 10.25 MB / 1.076 GB Notification: Performance of sorting global known variables: time 0.001207/1.065, allocations: 0.8857 MB / 1.351 GB, free: 9.363 MB / 1.076 GB Notification: Performance of sort global known variables: time 1.7e-07/1.065, allocations: 0 / 1.351 GB, free: 9.363 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.001897/1.067, allocations: 0.7213 MB / 1.351 GB, free: 8.641 MB / 1.076 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U) * 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 (55): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {(1,10)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0009603/1.068, allocations: 454.6 kB / 1.352 GB, free: 8.195 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.002521/1.071, allocations: 1.121 MB / 1.353 GB, free: 7.078 MB / 1.076 GB Notification: Performance of simCode: created event and clocks part: time 3.997e-06/1.071, allocations: 0 / 1.353 GB, free: 7.078 MB / 1.076 GB Notification: Performance of simCode: created simulation system equations: time 0.001371/1.072, allocations: 0.5603 MB / 1.353 GB, free: 6.508 MB / 1.076 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003043/1.075, allocations: 0.7999 MB / 1.354 GB, free: 5.719 MB / 1.076 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003827/1.079, allocations: 2.272 MB / 1.356 GB, free: 3.367 MB / 1.076 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007836/1.08, allocations: 1.179 MB / 1.358 GB, free: 2.16 MB / 1.076 GB Notification: Performance of simCode: alias equations: time 0.001031/1.081, allocations: 299 kB / 1.358 GB, free: 1.863 MB / 1.076 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002311/1.081, allocations: 111.3 kB / 1.358 GB, free: 1.754 MB / 1.076 GB Notification: Performance of SimCode: time 5.31e-07/1.081, allocations: 0 / 1.358 GB, free: 1.754 MB / 1.076 GB Notification: Performance of Templates: time 0.05239/1.133, allocations: 32.4 MB / 1.39 GB, free: 1.727 MB / 1.107 GB make -j1 -f Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y.makefile (rm -f Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y.pipe ; mkfifo Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y.pipe >> ../files/Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y.sim & ./Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_HeatPumps_Examples_Carnot_y.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.HeatPumps.Examples.Carnot_y.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches