Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow.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 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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.SeriesFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|sin.ports.1..m_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow") translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|sin.ports.1..m_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004818/0.004818, allocations: 99.22 kB / 15.73 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001128/0.001128, allocations: 198.2 kB / 16.68 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.336/1.336, allocations: 222.9 MB / 240.4 MB, free: 4.312 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.775/2.775, allocations: 469.8 MB / 0.7425 GB, free: 7.352 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001215/0.001215, allocations: 64.12 kB / 1.065 GB, free: 13.04 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3054/0.3066, allocations: 159.1 MB / 1.221 GB, free: 13.79 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow): time 0.8238/1.13, allocations: 162 MB / 1.379 GB, free: 6.703 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.003677/1.134, allocations: 1.779 MB / 1.381 GB, free: 5.461 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005518/1.135, allocations: 11.69 kB / 1.381 GB, free: 5.457 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 0.0007067/1.135, allocations: 169.2 kB / 1.381 GB, free: 5.355 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.001662/1.137, allocations: 0.5417 MB / 1.381 GB, free: 5.07 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.001352/1.138, allocations: 403.2 kB / 1.382 GB, free: 4.867 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.003313/1.142, allocations: 2.51 MB / 1.384 GB, free: 3.477 MB / 1.076 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00149/1.143, allocations: 0.8074 MB / 1.385 GB, free: 3.012 MB / 1.076 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002427/1.146, allocations: 1.043 MB / 1.386 GB, free: 2.457 MB / 1.076 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001715/1.147, allocations: 0.7046 MB / 1.387 GB, free: 2.055 MB / 1.076 GB Notification: Performance of NFPackage.collectConstants: time 0.0002711/1.148, allocations: 55.22 kB / 1.387 GB, free: 2.055 MB / 1.076 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002358/1.15, allocations: 0.7465 MB / 1.387 GB, free: 1.652 MB / 1.076 GB Notification: Performance of NFScalarize.scalarize: time 0.000673/1.151, allocations: 309.2 kB / 1.388 GB, free: 1.445 MB / 1.076 GB Notification: Performance of NFVerifyModel.verify: time 0.001751/1.152, allocations: 0.552 MB / 1.388 GB, free: 1.105 MB / 1.076 GB Notification: Performance of NFConvertDAE.convert: time 0.003386/1.156, allocations: 1.4 MB / 1.39 GB, free: 280 kB / 1.076 GB Notification: Performance of FrontEnd - DAE generated: time 6.181e-06/1.156, allocations: 1.156 kB / 1.39 GB, free: 280 kB / 1.076 GB Notification: Performance of FrontEnd: time 2.154e-06/1.156, allocations: 0 / 1.39 GB, free: 280 kB / 1.076 GB Notification: Performance of Transformations before backend: time 4.399e-05/1.156, allocations: 0 / 1.39 GB, free: 280 kB / 1.076 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 126 * Number of variables: 126 Notification: Performance of Generate backend data structure: time 0.003164/1.159, allocations: 1.501 MB / 1.391 GB, free: 15.1 MB / 1.092 GB Notification: Performance of prepare preOptimizeDAE: time 5.082e-05/1.159, allocations: 9.562 kB / 1.391 GB, free: 15.1 MB / 1.092 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008656/1.16, allocations: 188 kB / 1.391 GB, free: 15.01 MB / 1.092 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001492/1.161, allocations: 0.856 MB / 1.392 GB, free: 14.38 MB / 1.092 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.979e-05/1.161, allocations: 46.22 kB / 1.392 GB, free: 14.36 MB / 1.092 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000105/1.162, allocations: 61.78 kB / 1.392 GB, free: 14.34 MB / 1.092 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001298/1.163, allocations: 0.793 MB / 1.393 GB, free: 13.77 MB / 1.092 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.881e-05/1.163, allocations: 2.469 kB / 1.393 GB, free: 13.77 MB / 1.092 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.472e-05/1.163, allocations: 22.22 kB / 1.393 GB, free: 13.76 MB / 1.092 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.017e-05/1.163, allocations: 18.31 kB / 1.393 GB, free: 13.75 MB / 1.092 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009654/1.164, allocations: 0.5293 MB / 1.394 GB, free: 13.5 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 0.0046/1.169, allocations: 4.593 MB / 1.398 GB, free: 9.184 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008691/1.169, allocations: 404.7 kB / 1.398 GB, free: 8.977 MB / 1.092 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000457/1.17, allocations: 235.7 kB / 1.399 GB, free: 8.859 MB / 1.092 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003568/1.17, allocations: 194.9 kB / 1.399 GB, free: 8.656 MB / 1.092 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000601/1.171, allocations: 292.6 kB / 1.399 GB, free: 8.465 MB / 1.092 GB Notification: Performance of pre-optimization done (n=31): time 2.795e-06/1.171, allocations: 0 / 1.399 GB, free: 8.465 MB / 1.092 GB Notification: Performance of matching and sorting (n=31): time 0.001777/1.173, allocations: 0.6387 MB / 1.4 GB, free: 8.145 MB / 1.092 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.695e-05/1.173, allocations: 89.17 kB / 1.4 GB, free: 8.043 MB / 1.092 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001676/1.174, allocations: 1.11 MB / 1.401 GB, free: 7.453 MB / 1.092 GB Notification: Performance of collectPreVariables (initialization): time 6.225e-05/1.174, allocations: 35.08 kB / 1.401 GB, free: 7.418 MB / 1.092 GB Notification: Performance of collectInitialEqns (initialization): time 0.00042/1.175, allocations: 499.2 kB / 1.401 GB, free: 6.992 MB / 1.092 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001025/1.175, allocations: 122.3 kB / 1.402 GB, free: 6.887 MB / 1.092 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001653/1.175, allocations: 106 kB / 1.402 GB, free: 6.828 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 0.0001197/1.175, allocations: 332.9 kB / 1.402 GB, free: 6.504 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003906/1.176, allocations: 208.8 kB / 1.402 GB, free: 6.402 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006493/1.176, allocations: 0.5233 MB / 1.403 GB, free: 5.898 MB / 1.092 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001023/1.177, allocations: 0.634 MB / 1.403 GB, free: 5.426 MB / 1.092 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.81e-06/1.177, allocations: 4 kB / 1.403 GB, free: 5.422 MB / 1.092 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.001372/1.179, allocations: 0.7216 MB / 1.404 GB, free: 5.035 MB / 1.092 GB Notification: Performance of prepare postOptimizeDAE: time 4.42e-05/1.179, allocations: 37.89 kB / 1.404 GB, free: 5 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.084e-05/1.179, allocations: 4.969 kB / 1.404 GB, free: 5 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.673e-05/1.179, allocations: 8.062 kB / 1.404 GB, free: 5 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001713/1.18, allocations: 351.7 kB / 1.404 GB, free: 4.883 MB / 1.092 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003406/1.184, allocations: 6.088 MB / 1.41 GB, free: 14.79 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009965/1.185, allocations: 76.67 kB / 1.41 GB, free: 14.75 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.296e-05/1.185, allocations: 26.86 kB / 1.41 GB, free: 14.74 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008296/1.186, allocations: 0.4903 MB / 1.411 GB, free: 14.45 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005148/1.186, allocations: 0.4901 MB / 1.411 GB, free: 13.97 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007116/1.187, allocations: 0.5577 MB / 1.412 GB, free: 13.54 MB / 1.107 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.286e-06/1.187, allocations: 0 / 1.412 GB, free: 13.54 MB / 1.107 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.001105/1.188, allocations: 0.6551 MB / 1.413 GB, free: 13.18 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 3.395e-05/1.188, allocations: 38.19 kB / 1.413 GB, free: 13.14 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.432e-06/1.188, allocations: 5.344 kB / 1.413 GB, free: 13.14 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.488e-06/1.188, allocations: 8.562 kB / 1.413 GB, free: 13.14 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005342/1.189, allocations: 152.5 kB / 1.413 GB, free: 13.1 MB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.263e-05/1.189, allocations: 16.11 kB / 1.413 GB, free: 13.09 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000725/1.189, allocations: 58.52 kB / 1.413 GB, free: 13.06 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.663e-05/1.189, allocations: 22.23 kB / 1.413 GB, free: 13.06 MB / 1.107 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 (53): * Single equations (assignments): 42 * 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 0.0002076/1.19, allocations: 230.6 kB / 1.413 GB, free: 12.84 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001361/1.19, allocations: 106.3 kB / 1.413 GB, free: 12.78 MB / 1.107 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009298/1.191, allocations: 498.7 kB / 1.414 GB, free: 12.52 MB / 1.107 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.14e-06/1.191, allocations: 2.781 kB / 1.414 GB, free: 12.52 MB / 1.107 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.57e-06/1.191, allocations: 0 / 1.414 GB, free: 12.52 MB / 1.107 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.536e-06/1.191, allocations: 3.984 kB / 1.414 GB, free: 12.51 MB / 1.107 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001889/1.193, allocations: 1.381 MB / 1.415 GB, free: 11.54 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.705e-06/1.193, allocations: 0 / 1.415 GB, free: 11.54 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005951/1.193, allocations: 154.7 kB / 1.415 GB, free: 11.5 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.096e-05/1.193, allocations: 6.703 kB / 1.415 GB, free: 11.49 MB / 1.107 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.821e-05/1.193, allocations: 9.031 kB / 1.415 GB, free: 11.49 MB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003232/1.196, allocations: 6.019 MB / 1.421 GB, free: 5.434 MB / 1.107 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.276e-06/1.196, allocations: 2.469 kB / 1.421 GB, free: 5.434 MB / 1.107 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009176/1.197, allocations: 0.6111 MB / 1.422 GB, free: 5.016 MB / 1.107 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003592/1.198, allocations: 218.5 kB / 1.422 GB, free: 4.832 MB / 1.107 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001137/1.198, allocations: 7.031 kB / 1.422 GB, free: 4.828 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003696/1.198, allocations: 32.44 kB / 1.422 GB, free: 4.809 MB / 1.107 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.218e-05/1.198, allocations: 28.84 kB / 1.422 GB, free: 4.793 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.588e-05/1.198, allocations: 18.27 kB / 1.422 GB, free: 4.785 MB / 1.107 GB Notification: Performance of sorting global known variables: time 0.001002/1.199, allocations: 0.7836 MB / 1.423 GB, free: 4.355 MB / 1.107 GB Notification: Performance of sort global known variables: time 8e-08/1.199, allocations: 0 / 1.423 GB, free: 4.355 MB / 1.107 GB Notification: Performance of remove unused functions: time 0.001447/1.201, allocations: 411.5 kB / 1.423 GB, free: 4.258 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 (31): * Single equations (assignments): 19 * 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 0.0004904/1.201, allocations: 179.2 kB / 1.423 GB, free: 4.086 MB / 1.107 GB Notification: Performance of simCode: created initialization part: time 0.003015/1.204, allocations: 1.069 MB / 1.424 GB, free: 2.996 MB / 1.107 GB Notification: Performance of simCode: created event and clocks part: time 2.665e-06/1.204, allocations: 0 / 1.424 GB, free: 2.996 MB / 1.107 GB Notification: Performance of simCode: created simulation system equations: time 0.0007973/1.205, allocations: 275.7 kB / 1.425 GB, free: 2.727 MB / 1.107 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001881/1.207, allocations: 457.8 kB / 1.425 GB, free: 2.281 MB / 1.107 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003109/1.21, allocations: 1.823 MB / 1.427 GB, free: 424 kB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007536/1.211, allocations: 1.184 MB / 1.428 GB, free: 15.2 MB / 1.123 GB Notification: Performance of simCode: alias equations: time 0.0008364/1.212, allocations: 367.7 kB / 1.428 GB, free: 14.84 MB / 1.123 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001299/1.212, allocations: 63.44 kB / 1.428 GB, free: 14.77 MB / 1.123 GB Notification: Performance of SimCode: time 8.52e-07/1.212, allocations: 0 / 1.428 GB, free: 14.77 MB / 1.123 GB Notification: Performance of Templates: time 0.03258/1.244, allocations: 18.23 MB / 1.446 GB, free: 12.73 MB / 1.139 GB make -j1 -f Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow.makefile (rm -f Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow.pipe ; mkfifo Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow.pipe >> ../files/Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow.sim & ./Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow.pipe 2>&1) diffSimulationResults("Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_Examples_Performance_PressureDrop_SeriesFlow.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlow.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches