Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-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: translateModel(Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|winEas.y|winSou.y|winWes.y|winNor.y",fileNamePrefix="Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom") translateModel(Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|winEas.y|winSou.y|winWes.y|winNor.y",fileNamePrefix="Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001709/0.001709, allocations: 110.6 kB / 15.99 MB, free: 6.773 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001864/0.001864, allocations: 199.1 kB / 16.91 MB, free: 6.527 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.443/1.443, allocations: 222.9 MB / 240.6 MB, free: 4.512 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.627/2.627, allocations: 437.1 MB / 0.7107 GB, free: 5.266 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001921/0.001921, allocations: 75.88 kB / 0.8694 GB, free: 5.055 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5382/0.5402, allocations: 151.6 MB / 1.017 GB, free: 2.848 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom): time 0.007081/0.5473, allocations: 5.26 MB / 1.023 GB, free: 13.56 MB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.005013/0.5523, allocations: 2.936 MB / 1.025 GB, free: 10.61 MB / 0.7794 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003827/0.5527, allocations: 12 kB / 1.025 GB, free: 10.6 MB / 0.7794 GB Notification: Performance of NFTyping.typeComponents: time 0.0002304/0.553, allocations: 83.12 kB / 1.026 GB, free: 10.52 MB / 0.7794 GB Notification: Performance of NFTyping.typeBindings: time 0.001561/0.5546, allocations: 0.5286 MB / 1.026 GB, free: 9.992 MB / 0.7794 GB Notification: Performance of NFTyping.typeClassSections: time 0.0008329/0.5554, allocations: 0.5113 MB / 1.027 GB, free: 9.48 MB / 0.7794 GB Notification: Performance of NFFlatten.flatten: time 0.001688/0.5571, allocations: 1.747 MB / 1.028 GB, free: 7.73 MB / 0.7794 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000729/0.5579, allocations: 0.5082 MB / 1.029 GB, free: 7.199 MB / 0.7794 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0007696/0.5586, allocations: 0.6617 MB / 1.029 GB, free: 6.535 MB / 0.7794 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000887/0.5595, allocations: 0.7328 MB / 1.03 GB, free: 5.801 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 0.0002325/0.5598, allocations: 192 kB / 1.03 GB, free: 5.613 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0005407/0.5603, allocations: 355.8 kB / 1.031 GB, free: 5.266 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 0.0003205/0.5607, allocations: 390.7 kB / 1.031 GB, free: 4.883 MB / 0.7794 GB Notification: Performance of NFVerifyModel.verify: time 0.0006946/0.5614, allocations: 0.7349 MB / 1.032 GB, free: 4.145 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.001601/0.563, allocations: 1.608 MB / 1.033 GB, free: 2.535 MB / 0.7794 GB Notification: Performance of FrontEnd - DAE generated: time 3.987e-06/0.563, allocations: 0 / 1.033 GB, free: 2.535 MB / 0.7794 GB Notification: Performance of FrontEnd: time 1.553e-06/0.563, allocations: 0 / 1.033 GB, free: 2.535 MB / 0.7794 GB Notification: Performance of Transformations before backend: time 1.642e-05/0.563, allocations: 0 / 1.033 GB, free: 2.535 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: 236 * Number of variables: 236 Notification: Performance of Generate backend data structure: time 0.003853/0.5669, allocations: 1.641 MB / 1.035 GB, free: 0.8359 MB / 0.7794 GB Notification: Performance of prepare preOptimizeDAE: time 3.859e-05/0.5669, allocations: 16.03 kB / 1.035 GB, free: 0.8203 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002617/0.5672, allocations: 135.3 kB / 1.035 GB, free: 0.6875 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001964/0.5692, allocations: 1.006 MB / 1.036 GB, free: 15.64 MB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.634e-05/0.5693, allocations: 70.38 kB / 1.036 GB, free: 15.57 MB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001642/0.5694, allocations: 100.1 kB / 1.036 GB, free: 15.47 MB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001964/0.5714, allocations: 1.061 MB / 1.037 GB, free: 14.39 MB / 0.795 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.274e-05/0.5714, allocations: 0 / 1.037 GB, free: 14.39 MB / 0.795 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001061/0.5715, allocations: 39.98 kB / 1.037 GB, free: 14.35 MB / 0.795 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.234e-05/0.5716, allocations: 24 kB / 1.037 GB, free: 14.33 MB / 0.795 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001788/0.5734, allocations: 0.8521 MB / 1.038 GB, free: 13.48 MB / 0.795 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005578/0.579, allocations: 3.217 MB / 1.041 GB, free: 10.2 MB / 0.795 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004621/0.5836, allocations: 1.426 MB / 1.043 GB, free: 8.738 MB / 0.795 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000922/0.5845, allocations: 0.4953 MB / 1.043 GB, free: 8.234 MB / 0.795 GB Notification: Performance of preOpt evalFunc (simulation): time 8.339e-05/0.5846, allocations: 27.89 kB / 1.043 GB, free: 8.207 MB / 0.795 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001417/0.586, allocations: 0.7583 MB / 1.044 GB, free: 7.422 MB / 0.795 GB Notification: Performance of pre-optimization done (n=116): time 2.735e-06/0.5861, allocations: 3.938 kB / 1.044 GB, free: 7.418 MB / 0.795 GB Notification: Performance of matching and sorting (n=116): time 0.003199/0.5893, allocations: 1.497 MB / 1.045 GB, free: 5.918 MB / 0.795 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001096/0.5894, allocations: 152.4 kB / 1.046 GB, free: 5.738 MB / 0.795 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001068/0.5905, allocations: 0.7823 MB / 1.046 GB, free: 4.949 MB / 0.795 GB Notification: Performance of collectPreVariables (initialization): time 8.738e-05/0.5906, allocations: 45.7 kB / 1.046 GB, free: 4.898 MB / 0.795 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003701/0.5909, allocations: 420.9 kB / 1.047 GB, free: 4.48 MB / 0.795 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003342/0.5913, allocations: 362.8 kB / 1.047 GB, free: 4.121 MB / 0.795 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003469/0.5916, allocations: 206.8 kB / 1.047 GB, free: 3.914 MB / 0.795 GB Notification: Performance of setup shared object (initialization): time 0.0001801/0.5918, allocations: 341.9 kB / 1.048 GB, free: 3.574 MB / 0.795 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008155/0.5926, allocations: 398.4 kB / 1.048 GB, free: 3.184 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009633/0.5936, allocations: 0.5199 MB / 1.049 GB, free: 2.625 MB / 0.795 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001686/0.5953, allocations: 0.8572 MB / 1.049 GB, free: 1.746 MB / 0.795 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.408e-06/0.5953, allocations: 0 / 1.049 GB, free: 1.746 MB / 0.795 GB Notification: Performance of matching and sorting (n=136) (initialization): time 0.00232/0.5977, allocations: 1.102 MB / 1.05 GB, free: 0.6367 MB / 0.795 GB Notification: Performance of prepare postOptimizeDAE: time 2.223e-05/0.5977, allocations: 9.562 kB / 1.05 GB, free: 0.6289 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.306e-06/0.5977, allocations: 128 / 1.05 GB, free: 0.6289 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.365e-05/0.5977, allocations: 12 kB / 1.05 GB, free: 0.6172 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001076/0.5988, allocations: 223.6 kB / 1.051 GB, free: 408 kB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.792e-05/0.5988, allocations: 11.88 kB / 1.051 GB, free: 396 kB / 0.795 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001095/0.5999, allocations: 142.9 kB / 1.051 GB, free: 252 kB / 0.795 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001071/0.6001, allocations: 55.95 kB / 1.051 GB, free: 196 kB / 0.795 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 40 (winEas.proShaLen.solAzi.outsidePolarCircle,winEas.proShaLen.decAng.tNext,$PRE.winEas.proShaLen.decAng.tNext,winEas.proShaLen.eqnTim.tNext,$PRE.winEas.proShaLen.eqnTim.tNext,winEas.proShaLen.locTim.tNext,$PRE.winEas.proShaLen.locTim.tNext,$whenCondition10,$whenCondition11,$whenCondition12,winSou.proShaLen.solAzi.outsidePolarCircle,winSou.proShaLen.decAng.tNext,$PRE.winSou.proShaLen.decAng.tNext,winSou.proShaLen.eqnTim.tNext,$PRE.winSou.proShaLen.eqnTim.tNext,winSou.proShaLen.locTim.tNext,$PRE.winSou.proShaLen.locTim.tNext,$whenCondition7,$whenCondition8,$whenCondition9,winWes.proShaLen.solAzi.outsidePolarCircle,winWes.proShaLen.decAng.tNext,$PRE.winWes.proShaLen.decAng.tNext,winWes.proShaLen.eqnTim.tNext,$PRE.winWes.proShaLen.eqnTim.tNext,winWes.proShaLen.locTim.tNext,$PRE.winWes.proShaLen.locTim.tNext,$whenCondition4,$whenCondition5,$whenCondition6,winNor.proShaLen.solAzi.outsidePolarCircle,winNor.proShaLen.decAng.tNext,$PRE.winNor.proShaLen.decAng.tNext,winNor.proShaLen.eqnTim.tNext,$PRE.winNor.proShaLen.eqnTim.tNext,winNor.proShaLen.locTim.tNext,$PRE.winNor.proShaLen.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (136): * Single equations (assignments): 136 * 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 0.0005454/0.6006, allocations: 303 kB / 1.051 GB, free: 15.88 MB / 0.8106 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000209/0.6008, allocations: 106.6 kB / 1.051 GB, free: 15.78 MB / 0.8106 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003151/0.604, allocations: 1.529 MB / 1.053 GB, free: 14.24 MB / 0.8106 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.854e-05/0.604, allocations: 16 kB / 1.053 GB, free: 14.22 MB / 0.8106 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.167e-06/0.604, allocations: 3.938 kB / 1.053 GB, free: 14.22 MB / 0.8106 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.706e-05/0.6041, allocations: 7.969 kB / 1.053 GB, free: 14.21 MB / 0.8106 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001663/0.6057, allocations: 1.312 MB / 1.054 GB, free: 12.85 MB / 0.8106 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.39e-06/0.6057, allocations: 0 / 1.054 GB, free: 12.85 MB / 0.8106 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009909/0.6067, allocations: 231.6 kB / 1.054 GB, free: 12.62 MB / 0.8106 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.176e-05/0.6068, allocations: 8 kB / 1.054 GB, free: 12.61 MB / 0.8106 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001012/0.6069, allocations: 43.95 kB / 1.054 GB, free: 12.57 MB / 0.8106 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.336e-06/0.6069, allocations: 4 kB / 1.054 GB, free: 12.57 MB / 0.8106 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.593e-06/0.6069, allocations: 7.938 kB / 1.054 GB, free: 12.56 MB / 0.8106 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002561/0.6095, allocations: 1.355 MB / 1.056 GB, free: 11.17 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005487/0.61, allocations: 375 kB / 1.056 GB, free: 10.79 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001874/0.6102, allocations: 32 kB / 1.056 GB, free: 10.75 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008521/0.6111, allocations: 67.92 kB / 1.056 GB, free: 10.69 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002297/0.6113, allocations: 131.7 kB / 1.056 GB, free: 10.56 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001151/0.6114, allocations: 51.97 kB / 1.056 GB, free: 10.51 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.0007925/0.6122, allocations: 0.5693 MB / 1.057 GB, free: 9.945 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.4e-07/0.6122, allocations: 0 / 1.057 GB, free: 9.945 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.0009159/0.6132, allocations: 339.4 kB / 1.057 GB, free: 9.613 MB / 0.8106 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 24 ($whenCondition12,$whenCondition11,$whenCondition10,winEas.proShaLen.locTim.tNext,winEas.proShaLen.eqnTim.tNext,winEas.proShaLen.decAng.tNext,$whenCondition9,$whenCondition8,$whenCondition7,winSou.proShaLen.locTim.tNext,winSou.proShaLen.eqnTim.tNext,winSou.proShaLen.decAng.tNext,$whenCondition6,$whenCondition5,$whenCondition4,winWes.proShaLen.locTim.tNext,winWes.proShaLen.eqnTim.tNext,winWes.proShaLen.decAng.tNext,$whenCondition3,$whenCondition2,$whenCondition1,winNor.proShaLen.locTim.tNext,winNor.proShaLen.eqnTim.tNext,winNor.proShaLen.decAng.tNext) * Number of discrete states: 12 (winNor.proShaLen.locTim.tNext,winNor.proShaLen.eqnTim.tNext,winNor.proShaLen.decAng.tNext,winWes.proShaLen.locTim.tNext,winWes.proShaLen.eqnTim.tNext,winWes.proShaLen.decAng.tNext,winSou.proShaLen.locTim.tNext,winSou.proShaLen.eqnTim.tNext,winSou.proShaLen.decAng.tNext,winEas.proShaLen.locTim.tNext,winEas.proShaLen.eqnTim.tNext,winEas.proShaLen.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (156): * Single equations (assignments): 144 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 12 * 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 0.0007847/0.614, allocations: 333.8 kB / 1.057 GB, free: 9.316 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.002562/0.6165, allocations: 1.133 MB / 1.059 GB, free: 8.184 MB / 0.8106 GB Notification: Performance of simCode: created event and clocks part: time 2.465e-06/0.6165, allocations: 0 / 1.059 GB, free: 8.184 MB / 0.8106 GB Notification: Performance of simCode: created simulation system equations: time 0.001177/0.6177, allocations: 0.6379 MB / 1.059 GB, free: 7.547 MB / 0.8106 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005926/0.6183, allocations: 104.2 kB / 1.059 GB, free: 7.449 MB / 0.8106 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003959/0.6223, allocations: 2.539 MB / 1.062 GB, free: 4.863 MB / 0.8106 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007366/0.6231, allocations: 1.085 MB / 1.063 GB, free: 3.754 MB / 0.8106 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005097/0.6236, allocations: 151.3 kB / 1.063 GB, free: 3.605 MB / 0.8106 GB Notification: Performance of SimCode: time 8.32e-07/0.6236, allocations: 0 / 1.063 GB, free: 3.605 MB / 0.8106 GB Notification: Performance of Templates: time 0.02487/0.6485, allocations: 16.35 MB / 1.079 GB, free: 3.383 MB / 0.8262 GB make -j1 -f Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.makefile (rm -f Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.pipe ; mkfifo Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.pipe ; head -c 1048576 < Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.pipe >> ../files/Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.sim & ./Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_HeatTransfer_Windows_Examples_BeamDepthInRoom.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches