Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter.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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Conversion_Examples_Converter",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Conversion_Examples_Converter",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 0.004694/0.004694, allocations: 95.17 kB / 15.73 MB, free: 6.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001098/0.001098, allocations: 206.3 kB / 16.68 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.342/1.342, allocations: 222.9 MB / 240.4 MB, free: 4.328 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 2.649/2.649, allocations: 437 MB / 0.7105 GB, free: 5.02 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001351/0.001351, allocations: 67.89 kB / 1.018 GB, free: 15.06 MB / 0.7794 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2798/0.2812, allocations: 151.6 MB / 1.166 GB, free: 7.316 MB / 0.92 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter): time 0.01942/0.3006, allocations: 16.41 MB / 1.182 GB, free: 6.844 MB / 0.9356 GB Notification: Performance of NFInst.instExpressions: time 0.009075/0.3097, allocations: 5.724 MB / 1.188 GB, free: 1.098 MB / 0.9356 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001032/0.3108, allocations: 43.94 kB / 1.188 GB, free: 1.055 MB / 0.9356 GB Notification: Performance of NFTyping.typeComponents: time 0.003767/0.3146, allocations: 1.544 MB / 1.189 GB, free: 15.51 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.002006/0.3166, allocations: 0.8326 MB / 1.19 GB, free: 14.67 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.002481/0.3191, allocations: 1.061 MB / 1.191 GB, free: 13.61 MB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.003905/0.323, allocations: 3.906 MB / 1.195 GB, free: 9.695 MB / 0.9512 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006072/0.3291, allocations: 5.626 MB / 1.201 GB, free: 3.977 MB / 0.9512 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002528/0.3317, allocations: 1.761 MB / 1.202 GB, free: 2.211 MB / 0.9512 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002934/0.3346, allocations: 2.096 MB / 1.204 GB, free: 112 kB / 0.9512 GB Notification: Performance of NFPackage.collectConstants: time 0.0007132/0.3354, allocations: 416 kB / 1.205 GB, free: 15.7 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002323/0.3377, allocations: 1.065 MB / 1.206 GB, free: 14.64 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 0.001912/0.3396, allocations: 1.661 MB / 1.207 GB, free: 12.97 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 0.001831/0.3415, allocations: 1.596 MB / 1.209 GB, free: 11.37 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.005977/0.3475, allocations: 6.068 MB / 1.215 GB, free: 5.285 MB / 0.9669 GB Notification: Performance of FrontEnd - DAE generated: time 6.603e-06/0.3475, allocations: 4 kB / 1.215 GB, free: 5.281 MB / 0.9669 GB Notification: Performance of FrontEnd: time 2.074e-06/0.3475, allocations: 0 / 1.215 GB, free: 5.281 MB / 0.9669 GB Notification: Performance of Transformations before backend: time 0.0001121/0.3476, allocations: 0 / 1.215 GB, free: 5.281 MB / 0.9669 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 735 * Number of variables: 735 Notification: Performance of Generate backend data structure: time 0.005285/0.3529, allocations: 2.825 MB / 1.218 GB, free: 2.391 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 3.695e-05/0.353, allocations: 8.031 kB / 1.218 GB, free: 2.383 MB / 0.9669 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005325/0.3535, allocations: 424.9 kB / 1.218 GB, free: 1.957 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003204/0.3567, allocations: 0.6783 MB / 1.219 GB, free: 1.277 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003257/0.36, allocations: 1.447 MB / 1.22 GB, free: 15.79 MB / 0.9825 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001508/0.3602, allocations: 213.9 kB / 1.22 GB, free: 15.58 MB / 0.9825 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005907/0.3608, allocations: 276.3 kB / 1.221 GB, free: 15.31 MB / 0.9825 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00823/0.369, allocations: 4.718 MB / 1.225 GB, free: 10.5 MB / 0.9825 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.236e-05/0.3691, allocations: 3.938 kB / 1.225 GB, free: 10.5 MB / 0.9825 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003169/0.3695, allocations: 112 kB / 1.225 GB, free: 10.39 MB / 0.9825 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002099/0.3697, allocations: 148.6 kB / 1.225 GB, free: 10.24 MB / 0.9825 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006824/0.3765, allocations: 4.089 MB / 1.229 GB, free: 6.141 MB / 0.9825 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0213/0.3978, allocations: 20.15 MB / 1.249 GB, free: 28 kB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.586/0.9839, allocations: 1.895 MB / 1.251 GB, free: 76.35 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001225/0.9852, allocations: 0.7717 MB / 1.252 GB, free: 76.32 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001461/0.9853, allocations: 106.1 kB / 1.252 GB, free: 76.22 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.498e-05/0.9854, allocations: 45.88 kB / 1.252 GB, free: 76.18 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=77): time 2.996e-06/0.9854, allocations: 0 / 1.252 GB, free: 76.18 MB / 0.9981 GB Notification: Performance of matching and sorting (n=92): time 0.01782/1.003, allocations: 5.28 MB / 1.257 GB, free: 74.46 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.976e-05/1.003, allocations: 141.2 kB / 1.257 GB, free: 74.31 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001438/1.005, allocations: 0.9769 MB / 1.258 GB, free: 73.93 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 7.625e-05/1.005, allocations: 40.89 kB / 1.258 GB, free: 73.88 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006222/1.005, allocations: 1.226 MB / 1.259 GB, free: 73.1 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.000261/1.006, allocations: 348.7 kB / 1.26 GB, free: 72.84 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005735/1.006, allocations: 356.4 kB / 1.26 GB, free: 72.67 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 6.935e-05/1.006, allocations: 333.2 kB / 1.26 GB, free: 72.35 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001506/1.008, allocations: 0.8769 MB / 1.261 GB, free: 72.03 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001776/1.01, allocations: 1.512 MB / 1.263 GB, free: 70.89 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002698/1.012, allocations: 2.45 MB / 1.265 GB, free: 69.27 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.511e-05/1.012, allocations: 8.828 kB / 1.265 GB, free: 69.27 MB / 0.9981 GB Notification: Performance of matching and sorting (n=211) (initialization): time 0.004036/1.016, allocations: 2.519 MB / 1.267 GB, free: 68.27 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.509e-05/1.017, allocations: 15.16 kB / 1.267 GB, free: 68.27 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.448e-05/1.017, allocations: 20.31 kB / 1.268 GB, free: 68.27 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.969e-05/1.017, allocations: 31.91 kB / 1.268 GB, free: 68.27 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002379/1.019, allocations: 0.5174 MB / 1.268 GB, free: 68.22 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.149e-05/1.019, allocations: 49.08 kB / 1.268 GB, free: 68.21 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001254/1.02, allocations: 154.3 kB / 1.268 GB, free: 68.18 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001416/1.02, allocations: 90.53 kB / 1.268 GB, free: 68.16 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002708/1.023, allocations: 1.9 MB / 1.27 GB, free: 67.42 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001869/1.025, allocations: 1.503 MB / 1.272 GB, free: 66.27 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003454/1.029, allocations: 2.426 MB / 1.274 GB, free: 64.66 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.514e-05/1.029, allocations: 6.75 kB / 1.274 GB, free: 64.66 MB / 0.9981 GB Notification: Performance of matching and sorting (n=211) (initialization_lambda0): time 0.004526/1.033, allocations: 2.492 MB / 1.276 GB, free: 63.67 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.437e-05/1.033, allocations: 19.3 kB / 1.276 GB, free: 63.67 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.148e-05/1.033, allocations: 24.52 kB / 1.276 GB, free: 63.67 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.538e-05/1.033, allocations: 31.25 kB / 1.277 GB, free: 63.67 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002428/1.036, allocations: 0.5127 MB / 1.277 GB, free: 63.62 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.337e-05/1.036, allocations: 47.34 kB / 1.277 GB, free: 63.61 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001162/1.037, allocations: 143.1 kB / 1.277 GB, free: 63.58 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001354/1.037, allocations: 85.83 kB / 1.277 GB, free: 63.57 MB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 96 * 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 (211): * Single equations (assignments): 211 * 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 0.0004573/1.038, allocations: 295.9 kB / 1.278 GB, free: 63.3 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002463/1.038, allocations: 103.4 kB / 1.278 GB, free: 63.25 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002632/1.04, allocations: 1.828 MB / 1.279 GB, free: 62.41 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.18e-05/1.04, allocations: 9.75 kB / 1.279 GB, free: 62.41 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.665e-06/1.04, allocations: 1.719 kB / 1.279 GB, free: 62.41 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.244e-05/1.041, allocations: 9.969 kB / 1.279 GB, free: 62.41 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01048/1.051, allocations: 9.057 MB / 1.288 GB, free: 55.82 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.998e-05/1.051, allocations: 10.5 kB / 1.288 GB, free: 55.82 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001104/1.052, allocations: 247 kB / 1.289 GB, free: 55.8 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.06e-05/1.052, allocations: 19.08 kB / 1.289 GB, free: 55.8 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.661e-05/1.052, allocations: 30.27 kB / 1.289 GB, free: 55.79 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.989e-05/1.052, allocations: 20.98 kB / 1.289 GB, free: 55.79 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.573e-05/1.052, allocations: 24.34 kB / 1.289 GB, free: 55.78 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001838/1.054, allocations: 1.784 MB / 1.29 GB, free: 54.55 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004486/1.055, allocations: 288 kB / 1.291 GB, free: 54.36 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001424/1.055, allocations: 36.61 kB / 1.291 GB, free: 54.34 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007327/1.056, allocations: 74.64 kB / 1.291 GB, free: 54.33 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001301/1.056, allocations: 92.2 kB / 1.291 GB, free: 54.3 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.174e-05/1.056, allocations: 34.2 kB / 1.291 GB, free: 54.29 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.0008974/1.057, allocations: 0.7323 MB / 1.292 GB, free: 54 MB / 0.9981 GB Notification: Performance of sort global known variables: time 2.11e-07/1.057, allocations: 0 / 1.292 GB, free: 54 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.003077/1.06, allocations: 0.8088 MB / 1.292 GB, free: 53.93 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 47 * 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 (89): * Single equations (assignments): 89 * 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 0.00205/1.062, allocations: 2.377 MB / 1.295 GB, free: 52.15 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.00422/1.066, allocations: 3.005 MB / 1.298 GB, free: 51.07 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 9.207e-06/1.066, allocations: 1.562 kB / 1.298 GB, free: 51.07 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.0007315/1.067, allocations: 0.5786 MB / 1.298 GB, free: 50.86 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001409/1.068, allocations: 175.7 kB / 1.298 GB, free: 50.79 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0208/1.089, allocations: 14.85 MB / 1.313 GB, free: 42.34 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002315/1.091, allocations: 2.102 MB / 1.315 GB, free: 41.29 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.002268/1.094, allocations: 1.025 MB / 1.316 GB, free: 41.19 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009134/1.095, allocations: 0.757 MB / 1.317 GB, free: 40.57 MB / 0.9981 GB Notification: Performance of SimCode: time 7.72e-07/1.095, allocations: 0 / 1.317 GB, free: 40.57 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04679/1.141, allocations: 29.87 MB / 1.346 GB, free: 15.33 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.183/10.32, allocations: 11.7 kB / 1.346 GB, free: 15.32 MB / 0.9981 GB (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter.sim & python3 -m fmpy simulate --output-file Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Conversion_Examples_Converter.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Electrical_AC_ThreePhasesUnbalanced_Conversion_Examples_Converter.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.Converter.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches