Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Sensors.Examples.Density.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: "" <> buildModelFMU(Buildings.Fluid.Sensors.Examples.Density,fileNamePrefix="Buildings_10_Buildings_Fluid_Sensors_Examples_Density",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Sensors.Examples.Density,fileNamePrefix="Buildings_10_Buildings_Fluid_Sensors_Examples_Density",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001235/0.001235, allocations: 108 kB / 15.6 MB, free: 128 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001352/0.001352, allocations: 192.8 kB / 16.53 MB, free: 6.672 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.39/1.39, allocations: 222.9 MB / 240.2 MB, free: 4.422 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.765/2.765, allocations: 437 MB / 0.7104 GB, free: 5.129 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001421/0.001422, allocations: 64.14 kB / 0.8693 GB, free: 4.582 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7997/0.8012, allocations: 151.6 MB / 1.017 GB, free: 2.5 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Sensors.Examples.Density): time 0.2106/1.012, allocations: 185.1 MB / 1.198 GB, free: 8.734 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.01187/1.024, allocations: 6.968 MB / 1.205 GB, free: 1.742 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001285/1.025, allocations: 31.81 kB / 1.205 GB, free: 1.711 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.001335/1.026, allocations: 405.5 kB / 1.205 GB, free: 1.312 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.003854/1.03, allocations: 1.435 MB / 1.207 GB, free: 15.87 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.003259/1.034, allocations: 1.157 MB / 1.208 GB, free: 14.72 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.002847/1.036, allocations: 1.945 MB / 1.21 GB, free: 12.77 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00112/1.038, allocations: 0.6609 MB / 1.21 GB, free: 12.09 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001773/1.039, allocations: 0.8172 MB / 1.211 GB, free: 11.27 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001422/1.041, allocations: 0.6105 MB / 1.212 GB, free: 10.66 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 0.0001915/1.041, allocations: 68 kB / 1.212 GB, free: 10.6 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004197/1.045, allocations: 1.925 MB / 1.214 GB, free: 8.668 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 0.0004702/1.046, allocations: 283.2 kB / 1.214 GB, free: 8.391 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 0.0008151/1.047, allocations: 434.1 kB / 1.214 GB, free: 7.965 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.003946/1.051, allocations: 1.741 MB / 1.216 GB, free: 6.219 MB / 0.9669 GB Notification: Performance of FrontEnd - DAE generated: time 6.953e-06/1.051, allocations: 4 kB / 1.216 GB, free: 6.215 MB / 0.9669 GB Notification: Performance of FrontEnd: time 1.874e-06/1.051, allocations: 3.938 kB / 1.216 GB, free: 6.211 MB / 0.9669 GB Notification: Performance of Transformations before backend: time 3.813e-05/1.051, allocations: 0 / 1.216 GB, free: 6.211 MB / 0.9669 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 131 * Number of variables: 131 Notification: Performance of Generate backend data structure: time 0.002762/1.053, allocations: 1.157 MB / 1.217 GB, free: 5.004 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 4.934e-05/1.053, allocations: 8.031 kB / 1.217 GB, free: 4.996 MB / 0.9669 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001767/1.054, allocations: 106.4 kB / 1.217 GB, free: 4.883 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002092/1.056, allocations: 270.8 kB / 1.218 GB, free: 4.617 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001135/1.057, allocations: 0.5714 MB / 1.218 GB, free: 4.008 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.663e-05/1.057, allocations: 49.31 kB / 1.218 GB, free: 3.957 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000107/1.057, allocations: 52 kB / 1.218 GB, free: 3.906 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001203/1.058, allocations: 0.64 MB / 1.219 GB, free: 3.25 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.899e-05/1.058, allocations: 0 / 1.219 GB, free: 3.25 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.737e-05/1.058, allocations: 20 kB / 1.219 GB, free: 3.23 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.663e-05/1.058, allocations: 25.31 kB / 1.219 GB, free: 3.207 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001001/1.059, allocations: 0.5204 MB / 1.219 GB, free: 2.688 MB / 0.9669 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 0.003195/1.063, allocations: 2.472 MB / 1.222 GB, free: 15.99 MB / 0.9825 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006933/1.063, allocations: 367.4 kB / 1.222 GB, free: 15.63 MB / 0.9825 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003952/1.064, allocations: 237.4 kB / 1.222 GB, free: 15.39 MB / 0.9825 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000573/1.064, allocations: 303.6 kB / 1.223 GB, free: 15.04 MB / 0.9825 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.023e-05/1.064, allocations: 38.89 kB / 1.223 GB, free: 15 MB / 0.9825 GB Notification: Performance of pre-optimization done (n=39): time 1.893e-06/1.064, allocations: 3.938 kB / 1.223 GB, free: 14.99 MB / 0.9825 GB Notification: Performance of matching and sorting (n=39): time 0.001391/1.066, allocations: 0.6077 MB / 1.223 GB, free: 14.38 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.034e-05/1.066, allocations: 59.41 kB / 1.223 GB, free: 14.31 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005928/1.066, allocations: 0.4989 MB / 1.224 GB, free: 13.8 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 4.788e-05/1.066, allocations: 33.7 kB / 1.224 GB, free: 13.77 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002464/1.067, allocations: 332.4 kB / 1.224 GB, free: 13.43 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001275/1.067, allocations: 134.1 kB / 1.224 GB, free: 13.3 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001466/1.067, allocations: 86.05 kB / 1.225 GB, free: 13.21 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001668/1.067, allocations: 366.8 kB / 1.225 GB, free: 12.84 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003645/1.068, allocations: 178.5 kB / 1.225 GB, free: 12.67 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004146/1.068, allocations: 283.4 kB / 1.225 GB, free: 12.35 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007288/1.069, allocations: 456.2 kB / 1.226 GB, free: 11.87 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.878e-06/1.069, allocations: 0 / 1.226 GB, free: 11.87 MB / 0.9825 GB Notification: Performance of matching and sorting (n=53) (initialization): time 0.0009485/1.07, allocations: 0.532 MB / 1.226 GB, free: 11.33 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.607e-05/1.07, allocations: 4 kB / 1.226 GB, free: 11.33 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.786e-06/1.07, allocations: 4 kB / 1.226 GB, free: 11.32 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.608e-05/1.07, allocations: 4 kB / 1.226 GB, free: 11.32 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007208/1.07, allocations: 135.8 kB / 1.226 GB, free: 11.19 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004044/1.071, allocations: 0.5976 MB / 1.227 GB, free: 10.57 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005864/1.072, allocations: 51.52 kB / 1.227 GB, free: 10.52 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.785e-05/1.072, allocations: 23.98 kB / 1.227 GB, free: 10.49 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005428/1.072, allocations: 354.3 kB / 1.227 GB, free: 10.14 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004006/1.073, allocations: 279.5 kB / 1.228 GB, free: 9.836 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006915/1.073, allocations: 452.4 kB / 1.228 GB, free: 9.363 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.505e-06/1.073, allocations: 0 / 1.228 GB, free: 9.363 MB / 0.9825 GB Notification: Performance of matching and sorting (n=53) (initialization_lambda0): time 0.0009372/1.074, allocations: 0.5239 MB / 1.229 GB, free: 8.832 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.26e-05/1.074, allocations: 11.94 kB / 1.229 GB, free: 8.82 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.674e-06/1.074, allocations: 7.938 kB / 1.229 GB, free: 8.812 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.456e-06/1.074, allocations: 4 kB / 1.229 GB, free: 8.809 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005051/1.075, allocations: 116.1 kB / 1.229 GB, free: 8.695 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.027e-06/1.075, allocations: 4 kB / 1.229 GB, free: 8.691 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005394/1.075, allocations: 47.61 kB / 1.229 GB, free: 8.645 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.054e-05/1.075, allocations: 23.98 kB / 1.229 GB, free: 8.621 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * 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 (53): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * 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): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001625/1.076, allocations: 200.2 kB / 1.229 GB, free: 8.418 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001221/1.076, allocations: 59.28 kB / 1.229 GB, free: 8.359 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008971/1.077, allocations: 494.6 kB / 1.23 GB, free: 7.871 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.833e-06/1.077, allocations: 4 kB / 1.23 GB, free: 7.867 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.618e-06/1.077, allocations: 4 kB / 1.23 GB, free: 7.863 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0007699/1.077, allocations: 0.6988 MB / 1.23 GB, free: 7.078 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001915/1.079, allocations: 1.288 MB / 1.231 GB, free: 5.711 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.642e-06/1.079, allocations: 4 kB / 1.231 GB, free: 5.707 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006127/1.08, allocations: 128.1 kB / 1.232 GB, free: 5.582 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.77e-06/1.08, allocations: 0 / 1.232 GB, free: 5.582 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.438e-05/1.08, allocations: 12 kB / 1.232 GB, free: 5.57 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000289/1.08, allocations: 0.5938 MB / 1.232 GB, free: 4.953 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.334e-06/1.08, allocations: 4.031 kB / 1.232 GB, free: 4.949 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001155/1.081, allocations: 0.8023 MB / 1.233 GB, free: 4.109 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002405/1.082, allocations: 176.4 kB / 1.233 GB, free: 3.918 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.359e-05/1.082, allocations: 19.94 kB / 1.233 GB, free: 3.898 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004265/1.082, allocations: 19.89 kB / 1.233 GB, free: 3.879 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.182e-05/1.082, allocations: 27.91 kB / 1.233 GB, free: 3.852 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.327e-05/1.082, allocations: 23.98 kB / 1.233 GB, free: 3.828 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.0003994/1.083, allocations: 346.8 kB / 1.234 GB, free: 3.492 MB / 0.9825 GB Notification: Performance of sort global known variables: time 2.4e-07/1.083, allocations: 0 / 1.234 GB, free: 3.492 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.0009913/1.084, allocations: 363.2 kB / 1.234 GB, free: 3.137 MB / 0.9825 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 4 (vol.dynBal.medium.Xi[1],vol.dynBal.U,vol.dynBal.m,senDenFlo.d) * 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 (39): * Single equations (assignments): 38 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * 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): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001879/1.086, allocations: 1.444 MB / 1.235 GB, free: 1.648 MB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.001709/1.087, allocations: 0.7147 MB / 1.236 GB, free: 0.9336 MB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 5.7e-06/1.087, allocations: 3.938 kB / 1.236 GB, free: 0.9297 MB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 0.0004518/1.088, allocations: 219.8 kB / 1.236 GB, free: 0.7148 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001837/1.09, allocations: 355.1 kB / 1.237 GB, free: 388 kB / 0.9825 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008472/1.098, allocations: 5.134 MB / 1.242 GB, free: 11.06 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000706/1.099, allocations: 0.9495 MB / 1.243 GB, free: 10.09 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.0009495/1.1, allocations: 204.9 kB / 1.243 GB, free: 9.887 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003787/1.1, allocations: 223.4 kB / 1.243 GB, free: 9.668 MB / 0.9981 GB Notification: Performance of SimCode: time 1.312e-06/1.1, allocations: 0 / 1.243 GB, free: 9.668 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5285/1.629, allocations: 17.7 MB / 1.26 GB, free: 233.7 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.59/13.22, allocations: 7.344 kB / 1.26 GB, free: 233.7 MB / 0.9981 GB (rm -f Buildings_10_Buildings.Fluid.Sensors.Examples.Density.pipe ; mkfifo Buildings_10_Buildings.Fluid.Sensors.Examples.Density.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Sensors.Examples.Density.pipe >> ../files/Buildings_10_Buildings.Fluid.Sensors.Examples.Density.sim & python3 -m fmpy simulate --output-file Buildings_10_Buildings.Fluid.Sensors.Examples.Density_res.csv --start-time 0 --stop-time 60 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.024 Buildings_10_Buildings_Fluid_Sensors_Examples_Density.fmu > Buildings_10_Buildings.Fluid.Sensors.Examples.Density.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Sensors.Examples.Density_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Sensors_Examples_Density.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Sensors.Examples.Density.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches