Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear.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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-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: translateModel(Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pumFixDp.m_flow|pumFixM_flow.dp",fileNamePrefix="Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear") translateModel(Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pumFixDp.m_flow|pumFixM_flow.dp",fileNamePrefix="Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00151/0.00151, allocations: 106.9 kB / 16.36 MB, free: 5.824 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001732/0.001732, allocations: 190.5 kB / 17.29 MB, free: 5.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.368/1.368, allocations: 222.9 MB / 241 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.187/2.187, allocations: 390.3 MB / 0.6655 GB, free: 0.5938 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001277/0.001277, allocations: 65.72 kB / 0.814 GB, free: 32.5 MB / 0.6231 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.253/0.2543, allocations: 140.4 MB / 0.9511 GB, free: 8.074 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear): time 0.05689/0.3112, allocations: 57.81 MB / 1.008 GB, free: 14.05 MB / 0.795 GB Notification: Performance of NFInst.instExpressions: time 0.02368/0.3349, allocations: 17.89 MB / 1.025 GB, free: 12.13 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002518/0.3375, allocations: 87.5 kB / 1.025 GB, free: 12.04 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.002732/0.3402, allocations: 1.161 MB / 1.026 GB, free: 10.88 MB / 0.8106 GB Notification: Performance of NFTyping.typeBindings: time 0.00631/0.3466, allocations: 2.675 MB / 1.029 GB, free: 8.188 MB / 0.8106 GB Notification: Performance of NFTyping.typeClassSections: time 0.005135/0.3517, allocations: 2.251 MB / 1.031 GB, free: 5.953 MB / 0.8106 GB Notification: Performance of NFFlatten.flatten: time 0.006983/0.3587, allocations: 4.778 MB / 1.036 GB, free: 1.156 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003355/0.3621, allocations: 1.757 MB / 1.037 GB, free: 15.36 MB / 0.8262 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004752/0.3669, allocations: 1.963 MB / 1.039 GB, free: 13.39 MB / 0.8262 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002119/0.369, allocations: 1.423 MB / 1.041 GB, free: 11.96 MB / 0.8262 GB Notification: Performance of NFPackage.collectConstants: time 0.0003365/0.3694, allocations: 188 kB / 1.041 GB, free: 11.78 MB / 0.8262 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004082/0.3735, allocations: 2 MB / 1.043 GB, free: 9.777 MB / 0.8262 GB Notification: Performance of NFScalarize.scalarize: time 0.0007139/0.3742, allocations: 0.6074 MB / 1.043 GB, free: 9.168 MB / 0.8262 GB Notification: Performance of NFVerifyModel.verify: time 0.001219/0.3754, allocations: 1.084 MB / 1.045 GB, free: 8.078 MB / 0.8262 GB Notification: Performance of NFConvertDAE.convert: time 0.005469/0.3809, allocations: 3.657 MB / 1.048 GB, free: 4.41 MB / 0.8262 GB Notification: Performance of FrontEnd - DAE generated: time 5.48e-06/0.3809, allocations: 0 / 1.048 GB, free: 4.41 MB / 0.8262 GB Notification: Performance of FrontEnd: time 2.264e-06/0.3809, allocations: 0 / 1.048 GB, free: 4.41 MB / 0.8262 GB Notification: Performance of Transformations before backend: time 4.359e-05/0.381, allocations: 0 / 1.048 GB, free: 4.41 MB / 0.8262 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 262 * Number of variables: 262 Notification: Performance of Generate backend data structure: time 0.004398/0.3854, allocations: 2.497 MB / 1.051 GB, free: 1.852 MB / 0.8262 GB Notification: Performance of prepare preOptimizeDAE: time 4.938e-05/0.3855, allocations: 12.02 kB / 1.051 GB, free: 1.84 MB / 0.8262 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004271/0.3897, allocations: 0.7398 MB / 1.051 GB, free: 1.098 MB / 0.8262 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004723/0.3945, allocations: 1.988 MB / 1.053 GB, free: 15.05 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.023e-05/0.3946, allocations: 90.06 kB / 1.053 GB, free: 14.96 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001831/0.3948, allocations: 115.9 kB / 1.053 GB, free: 14.85 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002554/0.3973, allocations: 1.327 MB / 1.055 GB, free: 13.45 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.045e-05/0.3974, allocations: 0 / 1.055 GB, free: 13.45 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001055/0.3975, allocations: 44 kB / 1.055 GB, free: 13.41 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.078e-05/0.3975, allocations: 31.98 kB / 1.055 GB, free: 13.38 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002646/0.4002, allocations: 1.058 MB / 1.056 GB, free: 12.32 MB / 0.8419 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 0.008162/0.4083, allocations: 6.082 MB / 1.062 GB, free: 5.82 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002394/0.4107, allocations: 0.8174 MB / 1.063 GB, free: 4.996 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009883/0.4117, allocations: 418.2 kB / 1.063 GB, free: 4.582 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003262/0.415, allocations: 2.497 MB / 1.065 GB, free: 1.801 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.529e-05/0.415, allocations: 39.12 kB / 1.065 GB, free: 1.754 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=56): time 1.843e-06/0.4151, allocations: 0 / 1.065 GB, free: 1.754 MB / 0.8419 GB Notification: Performance of matching and sorting (n=56): time 0.004039/0.4191, allocations: 1.373 MB / 1.067 GB, free: 356 kB / 0.8419 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.447e-05/0.4192, allocations: 63.97 kB / 1.067 GB, free: 280 kB / 0.8419 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002161/0.4213, allocations: 1.587 MB / 1.068 GB, free: 14.64 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 8.314e-05/0.4214, allocations: 45.7 kB / 1.068 GB, free: 14.59 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006639/0.4221, allocations: 0.823 MB / 1.069 GB, free: 13.76 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001822/0.4223, allocations: 201.1 kB / 1.069 GB, free: 13.56 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003549/0.4226, allocations: 222.4 kB / 1.07 GB, free: 13.34 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 0.0001201/0.4228, allocations: 334 kB / 1.07 GB, free: 13 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001183/0.424, allocations: 476.5 kB / 1.07 GB, free: 12.54 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001433/0.4254, allocations: 0.7805 MB / 1.071 GB, free: 11.62 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002448/0.4279, allocations: 1.174 MB / 1.072 GB, free: 10.34 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.784e-06/0.4279, allocations: 4 kB / 1.072 GB, free: 10.33 MB / 0.8575 GB Notification: Performance of matching and sorting (n=104) (initialization): time 0.003331/0.4312, allocations: 1.447 MB / 1.074 GB, free: 8.871 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 2.069e-05/0.4313, allocations: 12.03 kB / 1.074 GB, free: 8.859 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.583e-05/0.4313, allocations: 8 kB / 1.074 GB, free: 8.852 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004279/0.4317, allocations: 100.8 kB / 1.074 GB, free: 8.75 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00101/0.4327, allocations: 235.6 kB / 1.074 GB, free: 8.52 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005002/0.4332, allocations: 0.6147 MB / 1.075 GB, free: 7.879 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001222/0.4345, allocations: 150.9 kB / 1.075 GB, free: 7.73 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001316/0.4346, allocations: 59.97 kB / 1.075 GB, free: 7.672 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001493/0.4361, allocations: 0.7302 MB / 1.076 GB, free: 6.938 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001231/0.4374, allocations: 0.7158 MB / 1.076 GB, free: 6.086 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002049/0.4394, allocations: 1.049 MB / 1.077 GB, free: 4.922 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.031e-06/0.4395, allocations: 8 kB / 1.077 GB, free: 4.914 MB / 0.8575 GB Notification: Performance of matching and sorting (n=104) (initialization_lambda0): time 0.003054/0.4425, allocations: 1.314 MB / 1.079 GB, free: 3.59 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 1.792e-05/0.4425, allocations: 19.92 kB / 1.079 GB, free: 3.57 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.251e-05/0.4426, allocations: 8 kB / 1.079 GB, free: 3.562 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000527/0.4431, allocations: 120.8 kB / 1.079 GB, free: 3.441 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008927/0.444, allocations: 215.8 kB / 1.079 GB, free: 3.23 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00426/0.4483, allocations: 2.891 MB / 1.082 GB, free: 120 kB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001177/0.4495, allocations: 115.4 kB / 1.082 GB, free: 4 kB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.4752/0.9247, allocations: 53.08 kB / 1.082 GB, free: 128.6 MB / 0.8575 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * 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 (98): * Single equations (assignments): 95 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0005514/0.9253, allocations: 236.3 kB / 1.082 GB, free: 128.5 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007679/0.9261, allocations: 165.4 kB / 1.082 GB, free: 128.5 MB / 0.8575 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006651/0.9328, allocations: 1.291 MB / 1.084 GB, free: 128.4 MB / 0.8575 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.81e-05/0.9328, allocations: 12.86 kB / 1.084 GB, free: 128.4 MB / 0.8575 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.256e-06/0.9329, allocations: 0 / 1.084 GB, free: 128.4 MB / 0.8575 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.693e-05/0.9329, allocations: 4.703 kB / 1.084 GB, free: 128.4 MB / 0.8575 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01003/0.9429, allocations: 2.552 MB / 1.086 GB, free: 127.6 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.512e-05/0.943, allocations: 4.031 kB / 1.086 GB, free: 127.6 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001528/0.9445, allocations: 153.1 kB / 1.086 GB, free: 127.6 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004397/0.945, allocations: 73.77 kB / 1.086 GB, free: 127.6 MB / 0.8575 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000107/0.9451, allocations: 23.5 kB / 1.086 GB, free: 127.5 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005235/0.9457, allocations: 0.6048 MB / 1.087 GB, free: 127 MB / 0.8575 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.244e-06/0.9457, allocations: 2.594 kB / 1.087 GB, free: 127 MB / 0.8575 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005519/0.9512, allocations: 1.261 MB / 1.088 GB, free: 126.5 MB / 0.8575 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001187/0.9524, allocations: 346.3 kB / 1.088 GB, free: 126.3 MB / 0.8575 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004583/0.9529, allocations: 22.23 kB / 1.089 GB, free: 126.3 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00182/0.9547, allocations: 61.75 kB / 1.089 GB, free: 126.3 MB / 0.8575 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001813/0.9549, allocations: 46.56 kB / 1.089 GB, free: 126.3 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001633/0.9551, allocations: 39.02 kB / 1.089 GB, free: 126.3 MB / 0.8575 GB Notification: Performance of sorting global known variables: time 0.003335/0.9585, allocations: 1.086 MB / 1.09 GB, free: 125.8 MB / 0.8575 GB Notification: Performance of sort global known variables: time 3.5e-07/0.9585, allocations: 1 kB / 1.09 GB, free: 125.8 MB / 0.8575 GB Notification: Performance of remove unused functions: time 0.004724/0.9632, allocations: 0.933 MB / 1.091 GB, free: 125.7 MB / 0.8575 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * 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 (67): * Single equations (assignments): 58 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002432/0.9657, allocations: 0.6055 MB / 1.091 GB, free: 125.6 MB / 0.8575 GB Notification: Performance of simCode: created initialization part: time 0.008121/0.9738, allocations: 1.771 MB / 1.093 GB, free: 125 MB / 0.8575 GB Notification: Performance of simCode: created event and clocks part: time 9.507e-06/0.9739, allocations: 1.062 kB / 1.093 GB, free: 125 MB / 0.8575 GB Notification: Performance of simCode: created simulation system equations: time 0.002395/0.9763, allocations: 498.4 kB / 1.093 GB, free: 124.9 MB / 0.8575 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006851/0.9832, allocations: 0.8387 MB / 1.094 GB, free: 124.7 MB / 0.8575 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008979/0.9922, allocations: 2.847 MB / 1.097 GB, free: 123.3 MB / 0.8575 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001862/0.9941, allocations: 1.391 MB / 1.098 GB, free: 122.5 MB / 0.8575 GB Notification: Performance of simCode: alias equations: time 0.003577/0.9977, allocations: 459.2 kB / 1.099 GB, free: 122.5 MB / 0.8575 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007273/0.9984, allocations: 145.4 kB / 1.099 GB, free: 122.5 MB / 0.8575 GB Notification: Performance of SimCode: time 1.152e-06/0.9985, allocations: 0 / 1.099 GB, free: 122.5 MB / 0.8575 GB Notification: Performance of Templates: time 0.08033/1.079, allocations: 37.87 MB / 1.136 GB, free: 108.2 MB / 0.8575 GB make -j1 -f Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear.makefile (rm -f Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; mkfifo Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe >> ../files/Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear.sim & ./Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear -abortSlowSimulation -alarm=480 -s gbode -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Fluid_Movers_Validation_SpeedControlled_y_linear.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Fluid.Movers.Validation.SpeedControlled_y_linear.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches