Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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: "" <> buildModelFMU(Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_OnePhase_Sources_Examples_FixedVoltageSource",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_OnePhase_Sources_Examples_FixedVoltageSource",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 0.007077/0.007078, allocations: 102.6 kB / 15.73 MB, free: 5.992 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001934/0.001934, allocations: 190.2 kB / 16.67 MB, free: 5.91 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.399/1.399, 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 12.0.0-master/package.mo): time 2.765/2.765, allocations: 482.4 MB / 0.7548 GB, free: 6.863 MB / 0.6231 GB Notification: Performance of FrontEnd - loaded program: time 0.001913/0.001913, allocations: 67.48 kB / 1.083 GB, free: 13.92 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3082/0.3102, allocations: 162.2 MB / 1.241 GB, free: 9.289 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource): time 0.0041/0.3143, allocations: 2.434 MB / 1.244 GB, free: 6.84 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.002679/0.317, allocations: 1.57 MB / 1.245 GB, free: 5.262 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001318/0.3172, allocations: 7.938 kB / 1.245 GB, free: 5.254 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.0007068/0.3179, allocations: 183.2 kB / 1.246 GB, free: 5.074 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.0004363/0.3183, allocations: 151.4 kB / 1.246 GB, free: 4.926 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004977/0.3188, allocations: 179.5 kB / 1.246 GB, free: 4.75 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.0003259/0.3192, allocations: 219.3 kB / 1.246 GB, free: 4.535 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002834/0.3195, allocations: 117 kB / 1.246 GB, free: 4.422 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001756/0.3197, allocations: 87.67 kB / 1.246 GB, free: 4.336 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002524/0.3199, allocations: 107.6 kB / 1.246 GB, free: 4.23 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 3.191e-05/0.32, allocations: 12 kB / 1.246 GB, free: 4.219 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003968/0.3204, allocations: 211.6 kB / 1.247 GB, free: 4.012 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 9.353e-05/0.3205, allocations: 67.8 kB / 1.247 GB, free: 3.945 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 0.0001007/0.3206, allocations: 75.61 kB / 1.247 GB, free: 3.871 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.0004812/0.3211, allocations: 307.1 kB / 1.247 GB, free: 3.57 MB / 0.9669 GB Notification: Performance of FrontEnd - DAE generated: time 4.108e-06/0.3211, allocations: 0 / 1.247 GB, free: 3.57 MB / 0.9669 GB Notification: Performance of FrontEnd: time 1.753e-06/0.3211, allocations: 4 kB / 1.247 GB, free: 3.566 MB / 0.9669 GB Notification: Performance of Transformations before backend: time 7.013e-06/0.3211, allocations: 0 / 1.247 GB, free: 3.566 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: 39 * Number of variables: 39 Notification: Performance of Generate backend data structure: time 0.0007971/0.3219, allocations: 490.6 kB / 1.247 GB, free: 3.035 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 4.553e-05/0.322, allocations: 12.03 kB / 1.247 GB, free: 3.023 MB / 0.9669 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.919e-05/0.322, allocations: 46.73 kB / 1.248 GB, free: 2.969 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007778/0.3228, allocations: 88.73 kB / 1.248 GB, free: 2.883 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002943/0.3231, allocations: 236 kB / 1.248 GB, free: 2.613 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.875e-05/0.3231, allocations: 12.66 kB / 1.248 GB, free: 2.602 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.811e-05/0.3232, allocations: 12.38 kB / 1.248 GB, free: 2.59 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005221/0.3237, allocations: 295.4 kB / 1.248 GB, free: 2.266 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.467e-05/0.3237, allocations: 3.938 kB / 1.248 GB, free: 2.262 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.584e-05/0.3238, allocations: 4 kB / 1.248 GB, free: 2.258 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.292e-05/0.3238, allocations: 28.16 kB / 1.248 GB, free: 2.227 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000447/0.3243, allocations: 224.4 kB / 1.248 GB, free: 2.008 MB / 0.9669 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001938/0.3262, allocations: 1.599 MB / 1.25 GB, free: 280 kB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004318/0.3267, allocations: 315.3 kB / 1.25 GB, free: 15.91 MB / 0.9825 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001088/0.3268, allocations: 65.67 kB / 1.25 GB, free: 15.84 MB / 0.9825 GB Notification: Performance of preOpt evalFunc (simulation): time 1.445e-05/0.3268, allocations: 0 / 1.25 GB, free: 15.84 MB / 0.9825 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.283e-05/0.3268, allocations: 42.5 kB / 1.25 GB, free: 15.79 MB / 0.9825 GB Notification: Performance of pre-optimization done (n=9): time 1.162e-06/0.3269, allocations: 4 kB / 1.25 GB, free: 15.79 MB / 0.9825 GB Notification: Performance of matching and sorting (n=10): time 0.0005882/0.3274, allocations: 241.1 kB / 1.251 GB, free: 15.54 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.877e-05/0.3275, allocations: 81.11 kB / 1.251 GB, free: 15.45 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000276/0.3278, allocations: 207.4 kB / 1.251 GB, free: 15.23 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 1.862e-05/0.3278, allocations: 25.7 kB / 1.251 GB, free: 15.2 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001159/0.328, allocations: 160 kB / 1.251 GB, free: 15.04 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 3.706e-05/0.328, allocations: 39.69 kB / 1.251 GB, free: 15 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001003/0.3281, allocations: 61.77 kB / 1.251 GB, free: 14.94 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001324/0.3282, allocations: 322.8 kB / 1.251 GB, free: 14.61 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001797/0.3284, allocations: 76.81 kB / 1.252 GB, free: 14.54 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002374/0.3287, allocations: 166.5 kB / 1.252 GB, free: 14.34 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003638/0.329, allocations: 235 kB / 1.252 GB, free: 14.07 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.017e-06/0.3291, allocations: 7.938 kB / 1.252 GB, free: 14.06 MB / 0.9825 GB Notification: Performance of matching and sorting (n=25) (initialization): time 0.0005289/0.3296, allocations: 269.1 kB / 1.252 GB, free: 13.79 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.82e-05/0.3296, allocations: 8.375 kB / 1.252 GB, free: 13.78 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.486e-06/0.3296, allocations: 8 kB / 1.252 GB, free: 13.77 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.261e-05/0.3297, allocations: 7.938 kB / 1.252 GB, free: 13.77 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000272/0.3299, allocations: 55.89 kB / 1.252 GB, free: 13.71 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.157e-06/0.33, allocations: 4 kB / 1.252 GB, free: 13.71 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002511/0.3302, allocations: 23.97 kB / 1.252 GB, free: 13.68 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.637e-05/0.3303, allocations: 12 kB / 1.252 GB, free: 13.67 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002239/0.3305, allocations: 168.1 kB / 1.252 GB, free: 13.5 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002099/0.3307, allocations: 151.9 kB / 1.253 GB, free: 13.31 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000316/0.331, allocations: 215.8 kB / 1.253 GB, free: 13.06 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.804e-06/0.331, allocations: 0 / 1.253 GB, free: 13.06 MB / 0.9825 GB Notification: Performance of matching and sorting (n=25) (initialization_lambda0): time 0.0004867/0.3315, allocations: 257.2 kB / 1.253 GB, free: 12.8 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.088e-05/0.3316, allocations: 4 kB / 1.253 GB, free: 12.8 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.939e-06/0.3316, allocations: 7.938 kB / 1.253 GB, free: 12.79 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.564e-06/0.3316, allocations: 7.984 kB / 1.253 GB, free: 12.78 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000216/0.3318, allocations: 52.31 kB / 1.253 GB, free: 12.73 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.043e-06/0.3318, allocations: 11.94 kB / 1.253 GB, free: 12.72 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002214/0.332, allocations: 15.98 kB / 1.253 GB, free: 12.7 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.925e-05/0.3321, allocations: 12 kB / 1.253 GB, free: 12.69 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * 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 (25): * Single equations (assignments): 25 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001259/0.3322, allocations: 200.1 kB / 1.253 GB, free: 12.49 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.109e-05/0.3323, allocations: 15.89 kB / 1.253 GB, free: 12.47 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002606/0.3325, allocations: 147 kB / 1.253 GB, free: 12.32 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.1e-06/0.3326, allocations: 8 kB / 1.254 GB, free: 12.31 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.96e-06/0.3326, allocations: 0 / 1.254 GB, free: 12.31 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.467e-06/0.3326, allocations: 48 / 1.254 GB, free: 12.31 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001012/0.3336, allocations: 0.7274 MB / 1.254 GB, free: 11.5 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.869e-06/0.3336, allocations: 4 kB / 1.254 GB, free: 11.49 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000115/0.3337, allocations: 19.98 kB / 1.254 GB, free: 11.47 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.571e-06/0.3337, allocations: 4 kB / 1.254 GB, free: 11.47 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.281e-05/0.3338, allocations: 4.125 kB / 1.254 GB, free: 11.46 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.988e-06/0.3338, allocations: 15.92 kB / 1.254 GB, free: 11.45 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.187e-06/0.3338, allocations: 4 kB / 1.254 GB, free: 11.45 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000358/0.3341, allocations: 382.6 kB / 1.255 GB, free: 11.03 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 9.412e-05/0.3342, allocations: 108.9 kB / 1.255 GB, free: 10.9 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.957e-05/0.3343, allocations: 7.984 kB / 1.255 GB, free: 10.89 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002172/0.3345, allocations: 15.98 kB / 1.255 GB, free: 10.88 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.876e-05/0.3346, allocations: 7.938 kB / 1.255 GB, free: 10.87 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.201e-05/0.3346, allocations: 15.94 kB / 1.255 GB, free: 10.86 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.0002017/0.3348, allocations: 161.7 kB / 1.255 GB, free: 10.7 MB / 0.9825 GB Notification: Performance of sort global known variables: time 1.7e-07/0.3348, allocations: 0 / 1.255 GB, free: 10.7 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.0005321/0.3353, allocations: 68 kB / 1.255 GB, free: 10.63 MB / 0.9825 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * 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 (11): * Single equations (assignments): 11 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0007088/0.336, allocations: 0.9182 MB / 1.256 GB, free: 9.66 MB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.0005593/0.3366, allocations: 281.6 kB / 1.256 GB, free: 9.387 MB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 2.995e-06/0.3366, allocations: 4.062 kB / 1.256 GB, free: 9.383 MB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 9.129e-05/0.3367, allocations: 59.84 kB / 1.256 GB, free: 9.324 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004661/0.3372, allocations: 24.2 kB / 1.256 GB, free: 9.301 MB / 0.9825 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002992/0.3402, allocations: 2.383 MB / 1.259 GB, free: 6.711 MB / 0.9825 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003727/0.3406, allocations: 0.7363 MB / 1.259 GB, free: 5.949 MB / 0.9825 GB Notification: Performance of simCode: alias equations: time 0.0002248/0.3408, allocations: 78.02 kB / 1.259 GB, free: 5.875 MB / 0.9825 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 9.875e-05/0.3409, allocations: 47.41 kB / 1.259 GB, free: 5.828 MB / 0.9825 GB Notification: Performance of SimCode: time 2.575e-06/0.3409, allocations: 112 / 1.259 GB, free: 5.828 MB / 0.9825 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02464/0.3656, allocations: 3.697 MB / 1.263 GB, free: 2.281 MB / 0.9825 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.651/8.016, allocations: 352 / 1.263 GB, free: 2.281 MB / 0.9825 GB (rm -f Buildings_latest_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_OnePhase_Sources_Examples_FixedVoltageSource.fmu > Buildings_latest_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource_res.csv","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Electrical_AC_OnePhase_Sources_Examples_FixedVoltageSource.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches