Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow,fileNamePrefix="Buildings_9_Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_FanSpe_VOut_flow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow,fileNamePrefix="Buildings_9_Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_FanSpe_VOut_flow",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 0.007767/0.007767, allocations: 101.6 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 0.00197/0.00197, allocations: 190.9 kB / 16.67 MB, free: 5.922 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.529/1.529, allocations: 222.9 MB / 240.4 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.517/2.517, allocations: 390.2 MB / 0.6648 GB, free: 0.6367 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001417/0.001418, allocations: 67.91 kB / 0.9505 GB, free: 8.059 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9229/0.9243, allocations: 140.4 MB / 1.088 GB, free: 5.234 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow): time 0.003285/0.9277, allocations: 2.273 MB / 1.09 GB, free: 3.617 MB / 0.8575 GB Notification: Performance of NFInst.instExpressions: time 0.002089/0.9298, allocations: 1.412 MB / 1.091 GB, free: 2.543 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003902/0.9302, allocations: 15.06 kB / 1.091 GB, free: 2.539 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.0002932/0.9305, allocations: 83.28 kB / 1.091 GB, free: 2.473 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.0002398/0.9308, allocations: 107.1 kB / 1.091 GB, free: 2.387 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005618/0.9314, allocations: 288 kB / 1.092 GB, free: 2.207 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.0007988/0.9322, allocations: 0.783 MB / 1.092 GB, free: 1.801 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005258/0.9327, allocations: 390.5 kB / 1.093 GB, free: 1.594 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002648/0.933, allocations: 294 kB / 1.093 GB, free: 1.418 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002734/0.9333, allocations: 323.2 kB / 1.093 GB, free: 1.227 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.0001378/0.9334, allocations: 80.97 kB / 1.093 GB, free: 1.227 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001139/0.9335, allocations: 88.62 kB / 1.094 GB, free: 1.223 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.0001163/0.9336, allocations: 169.5 kB / 1.094 GB, free: 1.102 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.0002466/0.9339, allocations: 347.2 kB / 1.094 GB, free: 0.8516 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.001117/0.935, allocations: 1.104 MB / 1.095 GB, free: 464 kB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 6.472e-06/0.935, allocations: 1.578 kB / 1.095 GB, free: 464 kB / 0.8575 GB Notification: Performance of FrontEnd: time 1.904e-06/0.935, allocations: 0 / 1.095 GB, free: 464 kB / 0.8575 GB Notification: Performance of Transformations before backend: time 1.635e-05/0.9351, allocations: 0 / 1.095 GB, free: 464 kB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 157 * Number of variables: 157 Notification: Performance of Generate backend data structure: time 0.001615/0.9367, allocations: 0.9431 MB / 1.096 GB, free: 15.76 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 4.648e-05/0.9367, allocations: 9.734 kB / 1.096 GB, free: 15.76 MB / 0.8731 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001357/0.9369, allocations: 110.2 kB / 1.096 GB, free: 15.68 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001505/0.937, allocations: 82.31 kB / 1.096 GB, free: 15.64 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001099/0.9381, allocations: 0.5766 MB / 1.097 GB, free: 15.24 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.655e-05/0.9382, allocations: 48.16 kB / 1.097 GB, free: 15.22 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.475e-05/0.9383, allocations: 60.09 kB / 1.097 GB, free: 15.2 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001231/0.9395, allocations: 0.5336 MB / 1.097 GB, free: 14.98 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.009e-05/0.9396, allocations: 0 / 1.097 GB, free: 14.98 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.218e-05/0.9396, allocations: 27.41 kB / 1.097 GB, free: 14.96 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.943e-05/0.9397, allocations: 14.75 kB / 1.097 GB, free: 14.96 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001258/0.9409, allocations: 469.9 kB / 1.098 GB, free: 14.8 MB / 0.8731 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003524/0.9445, allocations: 1.762 MB / 1.1 GB, free: 13.73 MB / 0.8731 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005599/0.9451, allocations: 199.7 kB / 1.1 GB, free: 13.64 MB / 0.8731 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002805/0.9453, allocations: 110.7 kB / 1.1 GB, free: 13.6 MB / 0.8731 GB Notification: Performance of preOpt evalFunc (simulation): time 3.317e-05/0.9454, allocations: 11.58 kB / 1.1 GB, free: 13.59 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.944e-05/0.9454, allocations: 37.66 kB / 1.1 GB, free: 13.55 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=22): time 1.643e-06/0.9454, allocations: 0 / 1.1 GB, free: 13.55 MB / 0.8731 GB Notification: Performance of matching and sorting (n=22): time 0.0009424/0.9464, allocations: 325.8 kB / 1.1 GB, free: 13.41 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.635e-05/0.9464, allocations: 54.31 kB / 1.1 GB, free: 13.35 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007515/0.9472, allocations: 0.562 MB / 1.101 GB, free: 13.08 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 2.724e-05/0.9472, allocations: 31.8 kB / 1.101 GB, free: 13.05 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003014/0.9475, allocations: 373.7 kB / 1.101 GB, free: 12.74 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 6.912e-05/0.9476, allocations: 78.7 kB / 1.101 GB, free: 12.68 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001778/0.9478, allocations: 123.6 kB / 1.101 GB, free: 12.61 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.000165/0.948, allocations: 369.6 kB / 1.102 GB, free: 12.27 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003185/0.9483, allocations: 120.9 kB / 1.102 GB, free: 12.23 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00047/0.9488, allocations: 363.8 kB / 1.102 GB, free: 11.88 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007963/0.9496, allocations: 0.4987 MB / 1.103 GB, free: 11.44 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.818e-06/0.9496, allocations: 6.656 kB / 1.103 GB, free: 11.43 MB / 0.8731 GB Notification: Performance of matching and sorting (n=65) (initialization): time 0.001233/0.9508, allocations: 0.5331 MB / 1.103 GB, free: 11.2 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 3.121e-05/0.9509, allocations: 8.719 kB / 1.103 GB, free: 11.2 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.081e-05/0.9509, allocations: 13.2 kB / 1.103 GB, free: 11.2 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.803e-05/0.951, allocations: 11.91 kB / 1.103 GB, free: 11.2 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004579/0.9514, allocations: 103.2 kB / 1.103 GB, free: 11.19 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.073e-05/0.9515, allocations: 16.97 kB / 1.103 GB, free: 11.18 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004183/0.9519, allocations: 81.42 kB / 1.103 GB, free: 11.14 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.888e-05/0.9519, allocations: 31.09 kB / 1.104 GB, free: 11.13 MB / 0.8731 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * Number of states: 0 () * Number of discrete variables: 21 ($PRE.damLim.noZerMin.greHys.y,damLim.and3.y,damLim.not1.u,damLim1.and3.y,damLim1.not1.u,operationMode.y,freProSta.y,fanStatus.y,damLim1.conInt1.y,damLim1.conInt.y,damLim.conInt1.y,damLim.conInt.y,damLim.intLesEqu.y,damLim.intEqu1.y,damLim1.intLesEqu.y,damLim1.intEqu1.y,damLim1.not1.y,damLim1.noZerMin.greHys.y,$PRE.damLim1.noZerMin.greHys.y,damLim.not1.y,damLim.noZerMin.greHys.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (65): * Single equations (assignments): 65 * 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 0.000238/0.9522, allocations: 203.8 kB / 1.104 GB, free: 10.95 MB / 0.8731 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.772e-05/0.9523, allocations: 55.56 kB / 1.104 GB, free: 10.92 MB / 0.8731 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006841/0.953, allocations: 279 kB / 1.104 GB, free: 10.8 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.302e-06/0.953, allocations: 2.688 kB / 1.104 GB, free: 10.8 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.959e-06/0.953, allocations: 0 / 1.104 GB, free: 10.8 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.352e-06/0.953, allocations: 1.453 kB / 1.104 GB, free: 10.8 MB / 0.8731 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001513/0.9545, allocations: 0.8989 MB / 1.105 GB, free: 10.23 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.029e-05/0.9545, allocations: 6.188 kB / 1.105 GB, free: 10.22 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002174/0.9548, allocations: 52.52 kB / 1.105 GB, free: 10.21 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.022e-06/0.9548, allocations: 2.844 kB / 1.105 GB, free: 10.21 MB / 0.8731 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.227e-05/0.9548, allocations: 12.42 kB / 1.105 GB, free: 10.21 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.418e-06/0.9548, allocations: 2.859 kB / 1.105 GB, free: 10.21 MB / 0.8731 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.08e-06/0.9548, allocations: 6.469 kB / 1.105 GB, free: 10.2 MB / 0.8731 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006613/0.9555, allocations: 405.5 kB / 1.105 GB, free: 9.93 MB / 0.8731 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001339/0.9556, allocations: 139.8 kB / 1.106 GB, free: 9.793 MB / 0.8731 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.591e-05/0.9557, allocations: 8.641 kB / 1.106 GB, free: 9.789 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002243/0.9559, allocations: 23.34 kB / 1.106 GB, free: 9.781 MB / 0.8731 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.011e-05/0.956, allocations: 26.98 kB / 1.106 GB, free: 9.773 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.584e-05/0.956, allocations: 6.031 kB / 1.106 GB, free: 9.773 MB / 0.8731 GB Notification: Performance of sorting global known variables: time 0.0004581/0.9565, allocations: 376.2 kB / 1.106 GB, free: 9.602 MB / 0.8731 GB Notification: Performance of sort global known variables: time 1.91e-07/0.9565, allocations: 3.938 kB / 1.106 GB, free: 9.598 MB / 0.8731 GB Notification: Performance of remove unused functions: time 0.0005249/0.957, allocations: 105.3 kB / 1.106 GB, free: 9.566 MB / 0.8731 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 1 (damLim1.noZerMin.greHys.y) * Number of discrete states: 1 (damLim1.noZerMin.greHys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (24): * Single equations (assignments): 24 * 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 0.0009498/0.958, allocations: 0.9507 MB / 1.107 GB, free: 8.758 MB / 0.8731 GB Notification: Performance of simCode: created initialization part: time 0.0007434/0.9588, allocations: 317.8 kB / 1.107 GB, free: 8.66 MB / 0.8731 GB Notification: Performance of simCode: created event and clocks part: time 3.687e-06/0.9588, allocations: 3.281 kB / 1.107 GB, free: 8.66 MB / 0.8731 GB Notification: Performance of simCode: created simulation system equations: time 0.000283/0.9591, allocations: 112.7 kB / 1.107 GB, free: 8.625 MB / 0.8731 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008962/0.96, allocations: 190.9 kB / 1.108 GB, free: 8.562 MB / 0.8731 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00572/0.9657, allocations: 4.299 MB / 1.112 GB, free: 5.633 MB / 0.8731 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004853/0.9662, allocations: 0.8651 MB / 1.113 GB, free: 4.926 MB / 0.8731 GB Notification: Performance of simCode: alias equations: time 0.0003343/0.9665, allocations: 77.28 kB / 1.113 GB, free: 4.906 MB / 0.8731 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003283/0.9669, allocations: 218.5 kB / 1.113 GB, free: 4.75 MB / 0.8731 GB Notification: Performance of SimCode: time 5.91e-07/0.9669, allocations: 0.5938 kB / 1.113 GB, free: 4.75 MB / 0.8731 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03591/1.003, allocations: 9.877 MB / 1.123 GB, free: 3.805 MB / 0.8731 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.179/10.18, allocations: 19.75 kB / 1.123 GB, free: 3.797 MB / 0.8731 GB (rm -f Buildings_9_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.pipe ; mkfifo Buildings_9_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.pipe ; head -c 1048576 < Buildings_9_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.pipe >> ../files/Buildings_9_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_9_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow_res.mat --tempDir=temp_Buildings_9_Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_FanSpe_VOut_flow_fmu --startTime=0 --stopTime=1800 --timeout=50 --tolerance=1e-06 Buildings_9_Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_FanSpe_VOut_flow.fmu > Buildings_9_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Controls_OBC_ASHRAE_G36_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_FanSpe_VOut_flow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_FanSpe_VOut_flow.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches