Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow.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 10.1.0-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-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.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow,fileNamePrefix="Buildings_10_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctColdDuctMin_Subsequences_Validation_ActiveAirFlow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow,fileNamePrefix="Buildings_10_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctColdDuctMin_Subsequences_Validation_ActiveAirFlow",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 0.001405/0.00141, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001592/0.001592, allocations: 191.6 kB / 16.14 MB, free: 6.699 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.182/1.182, allocations: 222.9 MB / 239.8 MB, free: 4.613 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-maint.10.0.x/package.mo): time 2.24/2.24, allocations: 437 MB / 0.7099 GB, free: 5.309 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001136/0.001136, allocations: 63.89 kB / 0.8687 GB, free: 5.039 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4716/0.4728, allocations: 151.6 MB / 1.017 GB, free: 2.758 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow): time 0.002172/0.475, allocations: 1.338 MB / 1.018 GB, free: 1.418 MB / 0.7637 GB Notification: Performance of NFInst.instExpressions: time 0.0009696/0.4759, allocations: 1.061 MB / 1.019 GB, free: 352 kB / 0.7637 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001103/0.4761, allocations: 4 kB / 1.019 GB, free: 348 kB / 0.7637 GB Notification: Performance of NFTyping.typeComponents: time 0.0001189/0.4762, allocations: 23.78 kB / 1.019 GB, free: 324 kB / 0.7637 GB Notification: Performance of NFTyping.typeBindings: time 6.6e-05/0.4763, allocations: 19.8 kB / 1.019 GB, free: 304 kB / 0.7637 GB Notification: Performance of NFTyping.typeClassSections: time 0.0001879/0.4765, allocations: 87.94 kB / 1.019 GB, free: 216 kB / 0.7637 GB Notification: Performance of NFFlatten.flatten: time 0.0002085/0.4767, allocations: 264.3 kB / 1.02 GB, free: 15.95 MB / 0.7794 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002192/0.4769, allocations: 168.8 kB / 1.02 GB, free: 15.79 MB / 0.7794 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001191/0.477, allocations: 103.6 kB / 1.02 GB, free: 15.68 MB / 0.7794 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001032/0.4771, allocations: 107.4 kB / 1.02 GB, free: 15.58 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 3.073e-05/0.4772, allocations: 16 kB / 1.02 GB, free: 15.56 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 2.802e-05/0.4772, allocations: 16 kB / 1.02 GB, free: 15.55 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 3.985e-05/0.4772, allocations: 59.69 kB / 1.02 GB, free: 15.49 MB / 0.7794 GB Notification: Performance of NFVerifyModel.verify: time 7.798e-05/0.4773, allocations: 111.3 kB / 1.02 GB, free: 15.38 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.0002471/0.4776, allocations: 360.9 kB / 1.02 GB, free: 15.03 MB / 0.7794 GB Notification: Performance of FrontEnd - DAE generated: time 2.906e-06/0.4776, allocations: 0 / 1.02 GB, free: 15.03 MB / 0.7794 GB Notification: Performance of FrontEnd: time 6.61e-07/0.4776, allocations: 0 / 1.02 GB, free: 15.03 MB / 0.7794 GB Notification: Performance of Transformations before backend: time 3.927e-06/0.4776, allocations: 4 kB / 1.02 GB, free: 15.02 MB / 0.7794 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 60 * Number of variables: 60 Notification: Performance of Generate backend data structure: time 0.000701/0.4783, allocations: 0.5342 MB / 1.021 GB, free: 14.44 MB / 0.7794 GB Notification: Performance of prepare preOptimizeDAE: time 3.112e-05/0.4784, allocations: 12.03 kB / 1.021 GB, free: 14.43 MB / 0.7794 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.161e-05/0.4784, allocations: 62.73 kB / 1.021 GB, free: 14.36 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 4.845e-05/0.4785, allocations: 28.56 kB / 1.021 GB, free: 14.33 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004445/0.4789, allocations: 317 kB / 1.021 GB, free: 13.97 MB / 0.7794 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.086e-05/0.4789, allocations: 20.94 kB / 1.021 GB, free: 13.95 MB / 0.7794 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.044e-05/0.479, allocations: 24.38 kB / 1.021 GB, free: 13.93 MB / 0.7794 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003897/0.4794, allocations: 221.4 kB / 1.022 GB, free: 13.71 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.037e-06/0.4794, allocations: 7.938 kB / 1.022 GB, free: 13.7 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.146e-05/0.4794, allocations: 12 kB / 1.022 GB, free: 13.69 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.654e-06/0.4794, allocations: 4 kB / 1.022 GB, free: 13.69 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003909/0.4798, allocations: 178.1 kB / 1.022 GB, free: 13.52 MB / 0.7794 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007949/0.4806, allocations: 0.6702 MB / 1.022 GB, free: 12.79 MB / 0.7794 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003488/0.481, allocations: 158.5 kB / 1.023 GB, free: 12.63 MB / 0.7794 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001581/0.4812, allocations: 64.88 kB / 1.023 GB, free: 12.56 MB / 0.7794 GB Notification: Performance of preOpt evalFunc (simulation): time 2.107e-05/0.4812, allocations: 4 kB / 1.023 GB, free: 12.56 MB / 0.7794 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.789e-05/0.4812, allocations: 34.55 kB / 1.023 GB, free: 12.52 MB / 0.7794 GB Notification: Performance of pre-optimization done (n=17): time 1.222e-06/0.4812, allocations: 0 / 1.023 GB, free: 12.52 MB / 0.7794 GB Notification: Performance of matching and sorting (n=17): time 0.0005401/0.4818, allocations: 223.3 kB / 1.023 GB, free: 12.29 MB / 0.7794 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.61e-05/0.4818, allocations: 51.41 kB / 1.023 GB, free: 12.23 MB / 0.7794 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001514/0.4819, allocations: 211.6 kB / 1.023 GB, free: 12.01 MB / 0.7794 GB Notification: Performance of collectPreVariables (initialization): time 2.042e-05/0.482, allocations: 37.64 kB / 1.023 GB, free: 11.97 MB / 0.7794 GB Notification: Performance of collectInitialEqns (initialization): time 8.189e-05/0.4821, allocations: 156.2 kB / 1.023 GB, free: 11.81 MB / 0.7794 GB Notification: Performance of collectInitialBindings (initialization): time 3.393e-05/0.4821, allocations: 55.23 kB / 1.023 GB, free: 11.76 MB / 0.7794 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.846e-05/0.4822, allocations: 57.69 kB / 1.023 GB, free: 11.7 MB / 0.7794 GB Notification: Performance of setup shared object (initialization): time 8.259e-05/0.4823, allocations: 326.8 kB / 1.024 GB, free: 11.37 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001611/0.4824, allocations: 59.95 kB / 1.024 GB, free: 11.31 MB / 0.7794 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001803/0.4826, allocations: 124.3 kB / 1.024 GB, free: 11.16 MB / 0.7794 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002978/0.4829, allocations: 164.9 kB / 1.024 GB, free: 10.98 MB / 0.7794 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.136e-06/0.4829, allocations: 3.938 kB / 1.024 GB, free: 10.98 MB / 0.7794 GB Notification: Performance of matching and sorting (n=25) (initialization): time 0.0003952/0.4833, allocations: 221.3 kB / 1.024 GB, free: 10.75 MB / 0.7794 GB Notification: Performance of prepare postOptimizeDAE: time 1.024e-05/0.4833, allocations: 4 kB / 1.024 GB, free: 10.75 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.252e-06/0.4834, allocations: 7.984 kB / 1.024 GB, free: 10.74 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.438e-06/0.4834, allocations: 0 / 1.024 GB, free: 10.74 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001597/0.4835, allocations: 35.92 kB / 1.024 GB, free: 10.71 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.747e-06/0.4836, allocations: 11.92 kB / 1.024 GB, free: 10.7 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001241/0.4837, allocations: 27.75 kB / 1.024 GB, free: 10.67 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.629e-05/0.4837, allocations: 15.92 kB / 1.024 GB, free: 10.65 MB / 0.7794 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 15 (reaToInt2.y,actAirSet.gre.greHys.y,$PRE.actAirSet.gre.greHys.y,actAirSet.or1.y,actAirSet.ifSetBac.y,actAirSet.ifWarUp.y,actAirSet.ifSetUp.y,actAirSet.ifCooDow.y,actAirSet.ifOcc.y,actAirSet.or3.y,actAirSet.warUpMod.y,actAirSet.setBacMod.y,actAirSet.setUpMod.y,actAirSet.cooDowMod.y,actAirSet.occMod.y) * 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 0.0001177/0.4838, allocations: 150.3 kB / 1.025 GB, free: 10.5 MB / 0.7794 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.797e-05/0.4839, allocations: 15.81 kB / 1.025 GB, free: 10.48 MB / 0.7794 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.189e-05/0.4839, allocations: 25.88 kB / 1.025 GB, free: 10.46 MB / 0.7794 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.686e-06/0.4839, allocations: 7.984 kB / 1.025 GB, free: 10.45 MB / 0.7794 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.875e-06/0.4839, allocations: 0 / 1.025 GB, free: 10.45 MB / 0.7794 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.244e-06/0.4839, allocations: 0 / 1.025 GB, free: 10.45 MB / 0.7794 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000252/0.4842, allocations: 297.3 kB / 1.025 GB, free: 10.11 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.335e-06/0.4842, allocations: 0 / 1.025 GB, free: 10.11 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001306/0.4843, allocations: 35.91 kB / 1.025 GB, free: 10.08 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.793e-06/0.4843, allocations: 0 / 1.025 GB, free: 10.08 MB / 0.7794 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.12e-05/0.4844, allocations: 4 kB / 1.025 GB, free: 10.07 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.223e-06/0.4844, allocations: 0 / 1.025 GB, free: 10.07 MB / 0.7794 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.31e-07/0.4844, allocations: 0 / 1.025 GB, free: 10.07 MB / 0.7794 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003612/0.4847, allocations: 271.8 kB / 1.025 GB, free: 9.793 MB / 0.7794 GB Notification: Performance of postOpt removeConstants (simulation): time 3.816e-05/0.4848, allocations: 96.86 kB / 1.025 GB, free: 9.68 MB / 0.7794 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.525e-05/0.4848, allocations: 4 kB / 1.025 GB, free: 9.676 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001295/0.485, allocations: 15.98 kB / 1.025 GB, free: 9.66 MB / 0.7794 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.082e-05/0.485, allocations: 27.95 kB / 1.025 GB, free: 9.633 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.004e-05/0.485, allocations: 0 / 1.025 GB, free: 9.633 MB / 0.7794 GB Notification: Performance of sorting global known variables: time 8.911e-05/0.4851, allocations: 141.5 kB / 1.025 GB, free: 9.496 MB / 0.7794 GB Notification: Performance of sort global known variables: time 1.21e-07/0.4851, allocations: 0 / 1.025 GB, free: 9.496 MB / 0.7794 GB Notification: Performance of remove unused functions: time 0.0002567/0.4854, allocations: 47.75 kB / 1.025 GB, free: 9.449 MB / 0.7794 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 9 (actAirSet.or3.y,actAirSet.ifOcc.y,actAirSet.ifCooDow.y,actAirSet.ifSetUp.y,actAirSet.ifWarUp.y,actAirSet.ifSetBac.y,actAirSet.or1.y,actAirSet.gre.greHys.y,reaToInt2.y) * Number of discrete states: 1 (actAirSet.gre.greHys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (17): * Single equations (assignments): 17 * 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 0.0005915/0.486, allocations: 0.8156 MB / 1.026 GB, free: 8.609 MB / 0.7794 GB Notification: Performance of simCode: created initialization part: time 0.0003484/0.4864, allocations: 161.2 kB / 1.026 GB, free: 8.453 MB / 0.7794 GB Notification: Performance of simCode: created event and clocks part: time 1.513e-06/0.4864, allocations: 0 / 1.026 GB, free: 8.453 MB / 0.7794 GB Notification: Performance of simCode: created simulation system equations: time 0.0001619/0.4865, allocations: 75.89 kB / 1.027 GB, free: 8.379 MB / 0.7794 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002716/0.4868, allocations: 31.94 kB / 1.027 GB, free: 8.348 MB / 0.7794 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002246/0.4891, allocations: 2.224 MB / 1.029 GB, free: 6.008 MB / 0.7794 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002225/0.4893, allocations: 0.7487 MB / 1.029 GB, free: 5.23 MB / 0.7794 GB Notification: Performance of simCode: alias equations: time 0.000128/0.4894, allocations: 29.92 kB / 1.029 GB, free: 5.199 MB / 0.7794 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001098/0.4896, allocations: 75.41 kB / 1.03 GB, free: 5.129 MB / 0.7794 GB Notification: Performance of SimCode: time 2.21e-07/0.4896, allocations: 192 / 1.03 GB, free: 5.129 MB / 0.7794 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.039/1.528, allocations: 3.575 MB / 1.033 GB, free: 1.773 MB / 0.7794 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002286/1.529, allocations: 275.8 kB / 1.033 GB, free: 1.414 MB / 0.7794 GB Notification: Performance of buildModelFMU: Generate platform static: time 1.565/3.094, allocations: 5.062 kB / 1.033 GB, free: 1.414 MB / 0.7794 GB (rm -f Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow_res.mat --tempDir=temp_Buildings_10_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctColdDuctMin_Subsequences_Validation_ActiveAirFlow_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_10_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctColdDuctMin_Subsequences_Validation_ActiveAirFlow.fmu > Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctColdDuctMin_Subsequences_Validation_ActiveAirFlow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctColdDuctMin.Subsequences.Validation.ActiveAirFlow.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches