Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.Movers.Examples.MoverParameter.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.Fluid.Movers.Examples.MoverParameter,fileNamePrefix="Buildings_9_Buildings_Fluid_Movers_Examples_MoverParameter",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Movers.Examples.MoverParameter,fileNamePrefix="Buildings_9_Buildings_Fluid_Movers_Examples_MoverParameter",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 0.008854/0.008854, allocations: 101.4 kB / 15.73 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002208/0.002208, allocations: 192.2 kB / 16.67 MB, free: 5.883 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.302/1.302, allocations: 222.9 MB / 240.4 MB, free: 4.156 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 2.317/2.317, allocations: 390.2 MB / 0.6648 GB, free: 188 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001268/0.001268, allocations: 63.16 kB / 0.9504 GB, free: 5.941 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2689/0.2701, allocations: 140.4 MB / 1.087 GB, free: 1.984 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Examples.MoverParameter): time 0.09462/0.3648, allocations: 94.74 MB / 1.18 GB, free: 2.914 MB / 0.9356 GB Notification: Performance of NFInst.instExpressions: time 0.04176/0.4066, allocations: 30 MB / 1.209 GB, free: 4.836 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005079/0.4117, allocations: 151.2 kB / 1.209 GB, free: 4.688 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.005655/0.4174, allocations: 1.989 MB / 1.211 GB, free: 2.688 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.01185/0.4293, allocations: 4.493 MB / 1.216 GB, free: 14.18 MB / 0.9825 GB Notification: Performance of NFTyping.typeClassSections: time 0.008224/0.4375, allocations: 3.605 MB / 1.219 GB, free: 10.59 MB / 0.9825 GB Notification: Performance of NFFlatten.flatten: time 0.01069/0.4482, allocations: 8.824 MB / 1.228 GB, free: 1.75 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005052/0.4533, allocations: 3.255 MB / 1.231 GB, free: 14.43 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.008764/0.4621, allocations: 3.755 MB / 1.235 GB, free: 10.67 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004692/0.4668, allocations: 2.746 MB / 1.237 GB, free: 7.914 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.001437/0.4683, allocations: 396 kB / 1.238 GB, free: 7.527 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006008/0.4743, allocations: 2.652 MB / 1.24 GB, free: 4.871 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.001939/0.4762, allocations: 1.597 MB / 1.242 GB, free: 3.27 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.00412/0.4804, allocations: 2.55 MB / 1.244 GB, free: 0.707 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.01443/0.4948, allocations: 7.773 MB / 1.252 GB, free: 8.91 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 6.883e-06/0.4949, allocations: 0 / 1.252 GB, free: 8.91 MB / 1.014 GB Notification: Performance of FrontEnd: time 2.806e-06/0.4949, allocations: 0 / 1.252 GB, free: 8.91 MB / 1.014 GB Notification: Performance of Transformations before backend: time 0.0002559/0.4952, allocations: 0 / 1.252 GB, free: 8.91 MB / 1.014 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 478 * Number of variables: 478 Notification: Performance of Generate backend data structure: time 0.01416/0.5093, allocations: 5.655 MB / 1.258 GB, free: 3.176 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 4.608e-05/0.5094, allocations: 8.031 kB / 1.258 GB, free: 3.168 MB / 1.014 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005996/0.51, allocations: 270.3 kB / 1.258 GB, free: 2.895 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009459/0.5195, allocations: 1.548 MB / 1.259 GB, free: 1.34 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.5977/1.117, allocations: 6.978 MB / 1.266 GB, free: 161.9 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001753/1.117, allocations: 169.3 kB / 1.266 GB, free: 161.8 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005401/1.118, allocations: 217.6 kB / 1.267 GB, free: 161.7 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006241/1.124, allocations: 2.965 MB / 1.269 GB, free: 160.5 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.974e-05/1.124, allocations: 1.531 kB / 1.269 GB, free: 160.5 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002201/1.124, allocations: 77.72 kB / 1.269 GB, free: 160.5 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.911e-05/1.125, allocations: 54.09 kB / 1.27 GB, free: 160.5 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006745/1.131, allocations: 2.287 MB / 1.272 GB, free: 159.8 MB / 1.014 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 0.02097/1.152, allocations: 13.08 MB / 1.285 GB, free: 151.6 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004792/1.157, allocations: 1.673 MB / 1.286 GB, free: 151.1 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001947/1.159, allocations: 0.751 MB / 1.287 GB, free: 150.8 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.009102/1.168, allocations: 5.162 MB / 1.292 GB, free: 147.6 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.332e-05/1.168, allocations: 43.28 kB / 1.292 GB, free: 147.5 MB / 1.014 GB Notification: Performance of pre-optimization done (n=65): time 2.705e-06/1.168, allocations: 1.719 kB / 1.292 GB, free: 147.5 MB / 1.014 GB Notification: Performance of matching and sorting (n=65): time 0.006904/1.175, allocations: 2.437 MB / 1.294 GB, free: 146.7 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.282e-05/1.175, allocations: 59.31 kB / 1.294 GB, free: 146.6 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01089/1.186, allocations: 7.123 MB / 1.301 GB, free: 143.8 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 0.0006767/1.187, allocations: 52.58 kB / 1.301 GB, free: 143.8 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.002027/1.189, allocations: 2.122 MB / 1.304 GB, free: 141.9 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005273/1.189, allocations: 237 kB / 1.304 GB, free: 141.7 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007567/1.19, allocations: 0.4904 MB / 1.304 GB, free: 141.5 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 4.246e-05/1.19, allocations: 306.2 kB / 1.305 GB, free: 141.2 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002902/1.193, allocations: 1.597 MB / 1.306 GB, free: 140.4 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003482/1.197, allocations: 2.599 MB / 1.309 GB, free: 138.3 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00571/1.202, allocations: 4.083 MB / 1.313 GB, free: 135.6 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.315e-05/1.202, allocations: 7.938 kB / 1.313 GB, free: 135.6 MB / 1.014 GB Notification: Performance of matching and sorting (n=255) (initialization): time 0.01065/1.213, allocations: 4.469 MB / 1.317 GB, free: 133.4 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 4.919e-05/1.213, allocations: 22.78 kB / 1.317 GB, free: 133.4 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.043e-05/1.213, allocations: 35.84 kB / 1.317 GB, free: 133.4 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.476e-05/1.213, allocations: 46.84 kB / 1.317 GB, free: 133.4 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004584/1.218, allocations: 0.6055 MB / 1.318 GB, free: 133.2 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002666/1.221, allocations: 3.003 MB / 1.321 GB, free: 130.5 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005246/1.226, allocations: 383.4 kB / 1.321 GB, free: 130.3 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005569/1.226, allocations: 187.3 kB / 1.321 GB, free: 130.3 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004701/1.231, allocations: 2.234 MB / 1.323 GB, free: 129.1 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003518/1.235, allocations: 2.337 MB / 1.326 GB, free: 126.6 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0069/1.242, allocations: 3.554 MB / 1.329 GB, free: 122.6 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.074e-05/1.242, allocations: 8 kB / 1.329 GB, free: 122.6 MB / 1.014 GB Notification: Performance of matching and sorting (n=255) (initialization_lambda0): time 0.01021/1.252, allocations: 3.925 MB / 1.333 GB, free: 118.6 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 3.869e-05/1.252, allocations: 16 kB / 1.333 GB, free: 118.6 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.61e-05/1.252, allocations: 36.06 kB / 1.333 GB, free: 118.6 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.568e-05/1.252, allocations: 44 kB / 1.333 GB, free: 118.5 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003943/1.256, allocations: 0.6475 MB / 1.334 GB, free: 117.9 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.079e-05/1.256, allocations: 63.78 kB / 1.334 GB, free: 117.8 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004662/1.261, allocations: 279.1 kB / 1.334 GB, free: 117.5 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004236/1.261, allocations: 184 kB / 1.334 GB, free: 117.4 MB / 1.014 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 142 * 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 (224): * Single equations (assignments): 216 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0008079/1.262, allocations: 325.2 kB / 1.334 GB, free: 117 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001423/1.263, allocations: 418.5 kB / 1.335 GB, free: 116.6 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005745/1.269, allocations: 2.418 MB / 1.337 GB, free: 114.2 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.753e-05/1.269, allocations: 8 kB / 1.337 GB, free: 114.2 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.424e-06/1.269, allocations: 7.938 kB / 1.337 GB, free: 114.2 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.093e-05/1.269, allocations: 7.969 kB / 1.337 GB, free: 114.2 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0103/1.28, allocations: 4.953 MB / 1.342 GB, free: 109.2 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.714e-06/1.28, allocations: 4 kB / 1.342 GB, free: 109.2 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001329/1.281, allocations: 255.1 kB / 1.342 GB, free: 108.9 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003475/1.281, allocations: 145.6 kB / 1.342 GB, free: 108.8 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.103e-05/1.281, allocations: 35.97 kB / 1.342 GB, free: 108.8 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001139/1.283, allocations: 2.675 MB / 1.345 GB, free: 106 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.815e-06/1.283, allocations: 0 / 1.345 GB, free: 106 MB / 1.014 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004769/1.287, allocations: 2.243 MB / 1.347 GB, free: 103.7 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002105/1.289, allocations: 0.7137 MB / 1.348 GB, free: 103 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001109/1.291, allocations: 19.94 kB / 1.348 GB, free: 102.9 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002614/1.293, allocations: 139.6 kB / 1.348 GB, free: 102.8 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001037/1.293, allocations: 56.92 kB / 1.348 GB, free: 102.8 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001472/1.294, allocations: 59.94 kB / 1.348 GB, free: 102.7 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.006631/1.3, allocations: 5.121 MB / 1.353 GB, free: 97.6 MB / 1.014 GB Notification: Performance of sort global known variables: time 4.91e-07/1.3, allocations: 0 / 1.353 GB, free: 97.6 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.006795/1.307, allocations: 1.713 MB / 1.355 GB, free: 95.93 MB / 1.014 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 (88): * Single equations (assignments): 74 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems 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): 2 systems {(1,1), (1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006895/1.314, allocations: 3.368 MB / 1.358 GB, free: 92.6 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.01035/1.324, allocations: 4.94 MB / 1.363 GB, free: 87.68 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 7.634e-06/1.324, allocations: 8.25 kB / 1.363 GB, free: 87.68 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.002139/1.326, allocations: 0.8919 MB / 1.364 GB, free: 86.78 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.009232/1.336, allocations: 2.266 MB / 1.366 GB, free: 84.59 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.06279/1.399, allocations: 39.47 MB / 1.405 GB, free: 44.11 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003057/1.402, allocations: 2.499 MB / 1.407 GB, free: 41.57 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.00508/1.407, allocations: 1.125 MB / 1.408 GB, free: 40.45 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002843/1.41, allocations: 1.78 MB / 1.41 GB, free: 38.66 MB / 1.014 GB Notification: Performance of SimCode: time 1.573e-06/1.41, allocations: 0 / 1.41 GB, free: 38.66 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1752/1.585, allocations: 119.6 MB / 1.527 GB, free: 492 kB / 1.092 GB Notification: Performance of buildModelFMU: Generate platform static: time 22.01/23.6, allocations: 15.39 kB / 1.527 GB, free: 480 kB / 1.092 GB (rm -f Buildings_9_Buildings.Fluid.Movers.Examples.MoverParameter.pipe ; mkfifo Buildings_9_Buildings.Fluid.Movers.Examples.MoverParameter.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.Movers.Examples.MoverParameter.pipe >> ../files/Buildings_9_Buildings.Fluid.Movers.Examples.MoverParameter.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Fluid.Movers.Examples.MoverParameter_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_9_Buildings_Fluid_Movers_Examples_MoverParameter.fmu > Buildings_9_Buildings.Fluid.Movers.Examples.MoverParameter.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Fluid.Movers.Examples.MoverParameter_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Fluid_Movers_Examples_MoverParameter.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Fluid.Movers.Examples.MoverParameter.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches