Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable.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_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable,fileNamePrefix="Buildings_9_Buildings_Controls_OBC_ASHRAE_G36_PR1_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_Disable",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable,fileNamePrefix="Buildings_9_Buildings_Controls_OBC_ASHRAE_G36_PR1_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_Disable",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 0.001084/0.001084, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001087/0.001087, allocations: 196.7 kB / 16.53 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 1.31/1.31, allocations: 222.9 MB / 240.2 MB, free: 4.41 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.265/2.265, allocations: 390.2 MB / 0.6647 GB, free: 464 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.00126/0.00126, allocations: 63.89 kB / 0.8127 GB, free: 14.27 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5729/0.5742, allocations: 140.4 MB / 0.9498 GB, free: 9.234 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable): time 0.003393/0.5777, allocations: 2.632 MB / 0.9524 GB, free: 7.125 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.001551/0.5792, allocations: 1.533 MB / 0.9539 GB, free: 5.844 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002406/0.5795, allocations: 17.34 kB / 0.9539 GB, free: 5.84 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.0001406/0.5796, allocations: 90.8 kB / 0.954 GB, free: 5.75 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.0002736/0.5799, allocations: 131.5 kB / 0.9541 GB, free: 5.629 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004133/0.5803, allocations: 351.6 kB / 0.9544 GB, free: 5.324 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.0006808/0.581, allocations: 0.9843 MB / 0.9554 GB, free: 4.703 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005228/0.5816, allocations: 486.8 kB / 0.9559 GB, free: 4.383 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002529/0.5818, allocations: 360.4 kB / 0.9562 GB, free: 4.129 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002319/0.5821, allocations: 417.5 kB / 0.9566 GB, free: 3.789 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 0.0001339/0.5822, allocations: 103.6 kB / 0.9567 GB, free: 3.789 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000109/0.5823, allocations: 112.6 kB / 0.9568 GB, free: 3.785 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.0001134/0.5824, allocations: 220.9 kB / 0.957 GB, free: 3.594 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.000226/0.5827, allocations: 438.7 kB / 0.9574 GB, free: 3.246 MB / 0.7169 GB Notification: Performance of NFConvertDAE.convert: time 0.0006936/0.5834, allocations: 1.341 MB / 0.9588 GB, free: 2.098 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 4.508e-06/0.5834, allocations: 1.375 kB / 0.9588 GB, free: 2.098 MB / 0.7169 GB Notification: Performance of FrontEnd: time 1.643e-06/0.5834, allocations: 0 / 0.9588 GB, free: 2.098 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 1.197e-05/0.5834, allocations: 0 / 0.9588 GB, free: 2.098 MB / 0.7169 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 209 * Number of variables: 209 Notification: Performance of Generate backend data structure: time 0.001402/0.5848, allocations: 1.104 MB / 0.9598 GB, free: 1.207 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 4.079e-05/0.5849, allocations: 9.719 kB / 0.9598 GB, free: 1.207 MB / 0.7169 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001218/0.585, allocations: 130.4 kB / 0.96 GB, free: 1.098 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001328/0.5851, allocations: 101.3 kB / 0.9601 GB, free: 1.047 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008412/0.586, allocations: 0.6244 MB / 0.9607 GB, free: 0.5273 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.11e-05/0.586, allocations: 67.27 kB / 0.9607 GB, free: 0.4922 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.677e-05/0.5861, allocations: 81.03 kB / 0.9608 GB, free: 476 kB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001149/0.5873, allocations: 0.6911 MB / 0.9615 GB, free: 72 kB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.78e-05/0.5873, allocations: 0 / 0.9615 GB, free: 72 kB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.761e-05/0.5874, allocations: 35.84 kB / 0.9615 GB, free: 44 kB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.911e-05/0.5874, allocations: 20.03 kB / 0.9615 GB, free: 44 kB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001257/0.5887, allocations: 0.6008 MB / 0.9621 GB, free: 15.76 MB / 0.7325 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003159/0.5918, allocations: 2.337 MB / 0.9644 GB, free: 13.9 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005553/0.5924, allocations: 252.3 kB / 0.9647 GB, free: 13.77 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003006/0.5927, allocations: 130.3 kB / 0.9648 GB, free: 13.71 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 3.401e-05/0.5928, allocations: 8.281 kB / 0.9648 GB, free: 13.7 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.47e-05/0.5928, allocations: 41.2 kB / 0.9648 GB, free: 13.66 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=30): time 1.373e-06/0.5928, allocations: 0 / 0.9648 GB, free: 13.66 MB / 0.7325 GB Notification: Performance of matching and sorting (n=30): time 0.0009823/0.5938, allocations: 410.8 kB / 0.9652 GB, free: 13.45 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.22e-05/0.5938, allocations: 54.88 kB / 0.9653 GB, free: 13.39 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008092/0.5946, allocations: 0.7203 MB / 0.966 GB, free: 12.96 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 2.283e-05/0.5947, allocations: 30.86 kB / 0.966 GB, free: 12.92 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002866/0.595, allocations: 454.7 kB / 0.9664 GB, free: 12.52 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 7.549e-05/0.595, allocations: 112.8 kB / 0.9665 GB, free: 12.42 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001817/0.5952, allocations: 151 kB / 0.9667 GB, free: 12.32 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001441/0.5954, allocations: 378.1 kB / 0.9671 GB, free: 11.96 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003667/0.5958, allocations: 155 kB / 0.9672 GB, free: 11.89 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000528/0.5963, allocations: 459.6 kB / 0.9676 GB, free: 11.41 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008901/0.5972, allocations: 0.6404 MB / 0.9683 GB, free: 10.81 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.703e-06/0.5972, allocations: 3.281 kB / 0.9683 GB, free: 10.81 MB / 0.7325 GB Notification: Performance of matching and sorting (n=83) (initialization): time 0.001195/0.5984, allocations: 0.6597 MB / 0.9689 GB, free: 10.48 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.459e-05/0.5984, allocations: 13.62 kB / 0.9689 GB, free: 10.47 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.467e-05/0.5985, allocations: 9.25 kB / 0.9689 GB, free: 10.47 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.431e-05/0.5985, allocations: 14.44 kB / 0.9689 GB, free: 10.47 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004913/0.599, allocations: 136.8 kB / 0.9691 GB, free: 10.44 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.852e-05/0.599, allocations: 21.47 kB / 0.9691 GB, free: 10.43 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000469/0.5995, allocations: 110 kB / 0.9692 GB, free: 10.36 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.408e-05/0.5995, allocations: 36.39 kB / 0.9692 GB, free: 10.35 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 46 * Number of states: 0 () * Number of discrete variables: 29 (damLim1.and3.y,damLim1.not1.u,damLim2.and3.y,damLim2.not1.u,damLim3.and3.y,damLim3.not1.u,operationMode3.y,freProSta3.y,fanStatus3.y,operationMode2.y,freProSta2.y,fanStatus2.y,operationMode1.y,fanStatus1.y,damLim3.conInt1.y,damLim3.conInt.y,damLim2.conInt1.y,damLim2.conInt.y,damLim1.conInt1.y,damLim1.conInt.y,damLim1.intLesEqu.y,damLim1.intEqu1.y,damLim1.not1.y,damLim2.intLesEqu.y,damLim2.intEqu1.y,damLim3.intLesEqu.y,damLim3.intEqu1.y,damLim3.not1.y,damLim2.not1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (83): * Single equations (assignments): 83 * 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 0.0002984/0.5999, allocations: 228.4 kB / 0.9695 GB, free: 10.16 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.97e-05/0.5999, allocations: 70.28 kB / 0.9695 GB, free: 10.12 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008164/0.6008, allocations: 367.5 kB / 0.9699 GB, free: 9.898 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.17e-06/0.6008, allocations: 7.406 kB / 0.9699 GB, free: 9.895 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.108e-06/0.6008, allocations: 0 / 0.9699 GB, free: 9.895 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.067e-06/0.6008, allocations: 0 / 0.9699 GB, free: 9.895 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001633/0.6024, allocations: 1.246 MB / 0.9711 GB, free: 8.883 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.006e-06/0.6025, allocations: 1 kB / 0.9711 GB, free: 8.883 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002612/0.6027, allocations: 67.06 kB / 0.9712 GB, free: 8.863 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.217e-06/0.6027, allocations: 2.156 kB / 0.9712 GB, free: 8.863 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.052e-05/0.6028, allocations: 15.38 kB / 0.9712 GB, free: 8.852 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.699e-06/0.6028, allocations: 6.266 kB / 0.9712 GB, free: 8.848 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.25e-06/0.6028, allocations: 1.219 kB / 0.9712 GB, free: 8.848 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006867/0.6035, allocations: 456.3 kB / 0.9716 GB, free: 8.531 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001397/0.6036, allocations: 162.9 kB / 0.9718 GB, free: 8.371 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.34e-05/0.6037, allocations: 11.03 kB / 0.9718 GB, free: 8.363 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000245/0.6039, allocations: 19.67 kB / 0.9718 GB, free: 8.352 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.976e-05/0.604, allocations: 26.66 kB / 0.9718 GB, free: 8.336 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.473e-05/0.604, allocations: 7.719 kB / 0.9718 GB, free: 8.336 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.0005403/0.6046, allocations: 484.6 kB / 0.9723 GB, free: 8.059 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.3e-07/0.6046, allocations: 0 / 0.9723 GB, free: 8.059 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.0005234/0.6051, allocations: 128.5 kB / 0.9724 GB, free: 8.027 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 (32): * Single equations (assignments): 32 * 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 0.0009745/0.6061, allocations: 1.001 MB / 0.9734 GB, free: 7.176 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.0008793/0.607, allocations: 430.6 kB / 0.9738 GB, free: 6.984 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 2.885e-06/0.607, allocations: 0 / 0.9738 GB, free: 6.984 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.000305/0.6073, allocations: 139.1 kB / 0.9739 GB, free: 6.926 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001072/0.6084, allocations: 239 kB / 0.9742 GB, free: 6.812 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006725/0.6151, allocations: 5.393 MB / 0.9794 GB, free: 2.273 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004289/0.6156, allocations: 0.918 MB / 0.9803 GB, free: 1.324 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.000324/0.6159, allocations: 94.02 kB / 0.9804 GB, free: 1.23 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003323/0.6162, allocations: 287.3 kB / 0.9807 GB, free: 0.9492 MB / 0.7325 GB Notification: Performance of SimCode: time 2.7e-07/0.6163, allocations: 3.938 kB / 0.9807 GB, free: 0.9453 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03174/0.648, allocations: 12.08 MB / 0.9925 GB, free: 5.133 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.701/8.349, allocations: 18.38 kB / 0.9925 GB, free: 5.121 MB / 0.7481 GB (rm -f Buildings_9_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable.pipe ; mkfifo Buildings_9_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable.pipe ; head -c 1048576 < Buildings_9_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable.pipe >> ../files/Buildings_9_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_9_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable_res.mat --tempDir=temp_Buildings_9_Buildings_Controls_OBC_ASHRAE_G36_PR1_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_Disable_fmu --startTime=0 --stopTime=1800 --timeout=50 --tolerance=1e-06 Buildings_9_Buildings_Controls_OBC_ASHRAE_G36_PR1_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_Disable.fmu > Buildings_9_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Controls_OBC_ASHRAE_G36_PR1_AHUs_SingleZone_VAV_Economizers_Subsequences_Validation_Limits_Disable.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Controls.OBC.ASHRAE.G36_PR1.AHUs.SingleZone.VAV.Economizers.Subsequences.Validation.Limits_Disable.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches