Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor.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: translateModel(Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|sen.I|sen.V|loa.S.1.|loa.S.2.",fileNamePrefix="Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor") translateModel(Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|sen.I|sen.V|loa.S.1.|loa.S.2.",fileNamePrefix="Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001476/0.001476, allocations: 108.7 kB / 16.41 MB, free: 6.027 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001369/0.00137, allocations: 186.2 kB / 17.34 MB, free: 5.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.335/1.335, allocations: 222.9 MB / 241 MB, free: 15.17 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.412/2.412, allocations: 390.3 MB / 0.6655 GB, free: 0.6328 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001446/0.001446, allocations: 63.91 kB / 0.9515 GB, free: 7.691 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.858/0.8595, allocations: 140.4 MB / 1.089 GB, free: 5.789 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor): time 0.003962/0.8635, allocations: 2.627 MB / 1.091 GB, free: 4.016 MB / 0.8575 GB Notification: Performance of NFInst.instExpressions: time 0.002373/0.8659, allocations: 1.487 MB / 1.093 GB, free: 3.008 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001462/0.8661, allocations: 2.812 kB / 1.093 GB, free: 3.008 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.0008608/0.8669, allocations: 224.8 kB / 1.093 GB, free: 2.875 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.0005753/0.8675, allocations: 185.2 kB / 1.093 GB, free: 2.781 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.000472/0.868, allocations: 157.4 kB / 1.093 GB, free: 2.703 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.0003423/0.8684, allocations: 222.2 kB / 1.093 GB, free: 2.613 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003814/0.8688, allocations: 174.1 kB / 1.094 GB, free: 2.535 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001841/0.869, allocations: 92.23 kB / 1.094 GB, free: 2.5 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002837/0.8692, allocations: 118.5 kB / 1.094 GB, free: 2.449 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 3.694e-05/0.8693, allocations: 18.53 kB / 1.094 GB, free: 2.445 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000479/0.8698, allocations: 227.2 kB / 1.094 GB, free: 2.367 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.0001109/0.8699, allocations: 71.81 kB / 1.094 GB, free: 2.34 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.0001076/0.87, allocations: 90.69 kB / 1.094 GB, free: 2.285 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.0005604/0.8706, allocations: 326.9 kB / 1.094 GB, free: 2.18 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 4.829e-06/0.8706, allocations: 0 / 1.094 GB, free: 2.18 MB / 0.8575 GB Notification: Performance of FrontEnd: time 2.394e-06/0.8706, allocations: 0.7812 kB / 1.094 GB, free: 2.18 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 6.983e-06/0.8706, allocations: 0 / 1.094 GB, free: 2.18 MB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 46 * Number of variables: 46 Notification: Performance of Generate backend data structure: time 0.0007565/0.8714, allocations: 486.8 kB / 1.095 GB, free: 1.738 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 4.274e-05/0.8714, allocations: 14.02 kB / 1.095 GB, free: 1.734 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006532/0.8721, allocations: 76.73 kB / 1.095 GB, free: 1.723 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003002/0.8724, allocations: 233.3 kB / 1.095 GB, free: 1.496 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.916e-05/0.8724, allocations: 15.2 kB / 1.095 GB, free: 1.488 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.071e-05/0.8725, allocations: 19.34 kB / 1.095 GB, free: 1.48 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005607/0.873, allocations: 323.4 kB / 1.096 GB, free: 1.289 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.815e-05/0.8731, allocations: 4.594 kB / 1.096 GB, free: 1.285 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.911e-05/0.8731, allocations: 10.5 kB / 1.096 GB, free: 1.277 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.845e-05/0.8732, allocations: 23.78 kB / 1.096 GB, free: 1.27 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004543/0.8736, allocations: 252.4 kB / 1.096 GB, free: 1.188 MB / 0.8575 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001621/0.8753, allocations: 1.626 MB / 1.097 GB, free: 15.73 MB / 0.8731 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007483/0.876, allocations: 415.2 kB / 1.098 GB, free: 15.45 MB / 0.8731 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001627/0.8762, allocations: 83.36 kB / 1.098 GB, free: 15.41 MB / 0.8731 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001654/0.8764, allocations: 90.53 kB / 1.098 GB, free: 15.31 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.833e-05/0.8764, allocations: 36.09 kB / 1.098 GB, free: 15.27 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=13): time 1.914e-06/0.8764, allocations: 0.8438 kB / 1.098 GB, free: 15.27 MB / 0.8731 GB Notification: Performance of matching and sorting (n=14): time 0.0008262/0.8773, allocations: 311.7 kB / 1.098 GB, free: 15.12 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.184e-05/0.8773, allocations: 80.39 kB / 1.098 GB, free: 15.03 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002011/0.8775, allocations: 173.2 kB / 1.099 GB, free: 14.91 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 2.419e-05/0.8776, allocations: 27.2 kB / 1.099 GB, free: 14.88 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001143/0.8777, allocations: 157.4 kB / 1.099 GB, free: 14.73 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 5.321e-05/0.8777, allocations: 55.28 kB / 1.099 GB, free: 14.69 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.722e-05/0.8779, allocations: 43.66 kB / 1.099 GB, free: 14.66 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001306/0.878, allocations: 326.5 kB / 1.099 GB, free: 14.34 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001536/0.8781, allocations: 82.11 kB / 1.099 GB, free: 14.31 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002087/0.8784, allocations: 153.3 kB / 1.099 GB, free: 14.19 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003676/0.8787, allocations: 249.2 kB / 1.1 GB, free: 14.02 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.695e-06/0.8788, allocations: 0.875 kB / 1.1 GB, free: 14.02 MB / 0.8731 GB Notification: Performance of matching and sorting (n=25) (initialization): time 0.0004753/0.8792, allocations: 276.5 kB / 1.1 GB, free: 13.9 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 2.026e-05/0.8793, allocations: 6.844 kB / 1.1 GB, free: 13.9 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.054e-05/0.8793, allocations: 2.906 kB / 1.1 GB, free: 13.9 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.338e-05/0.8793, allocations: 11.25 kB / 1.1 GB, free: 13.89 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002624/0.8796, allocations: 50.03 kB / 1.1 GB, free: 13.89 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.595e-05/0.8796, allocations: 8.031 kB / 1.1 GB, free: 13.89 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001634/0.8798, allocations: 17.05 kB / 1.1 GB, free: 13.88 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.242e-05/0.8798, allocations: 9.578 kB / 1.1 GB, free: 13.88 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002148/0.88, allocations: 178.9 kB / 1.1 GB, free: 13.77 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001773/0.8802, allocations: 146.8 kB / 1.1 GB, free: 13.64 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002955/0.8805, allocations: 232.3 kB / 1.101 GB, free: 13.48 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.944e-06/0.8805, allocations: 0.9062 kB / 1.101 GB, free: 13.48 MB / 0.8731 GB Notification: Performance of matching and sorting (n=25) (initialization_lambda0): time 0.0004298/0.881, allocations: 252 kB / 1.101 GB, free: 13.37 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 1.348e-05/0.881, allocations: 7.406 kB / 1.101 GB, free: 13.37 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.789e-06/0.881, allocations: 7.047 kB / 1.101 GB, free: 13.36 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.943e-06/0.881, allocations: 4.625 kB / 1.101 GB, free: 13.36 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002053/0.8812, allocations: 61.86 kB / 1.101 GB, free: 13.35 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.625e-06/0.8812, allocations: 4.812 kB / 1.101 GB, free: 13.35 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001277/0.8814, allocations: 13.42 kB / 1.101 GB, free: 13.34 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.962e-05/0.8814, allocations: 9.062 kB / 1.101 GB, free: 13.34 MB / 0.8731 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * 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 (25): * Single equations (assignments): 25 * 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 0.0002053/0.8816, allocations: 197.2 kB / 1.101 GB, free: 13.15 MB / 0.8731 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.215e-05/0.8817, allocations: 14.28 kB / 1.101 GB, free: 13.14 MB / 0.8731 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004176/0.8821, allocations: 218.5 kB / 1.101 GB, free: 13.02 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.628e-06/0.8821, allocations: 2.438 kB / 1.101 GB, free: 13.02 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.643e-06/0.8821, allocations: 1.453 kB / 1.101 GB, free: 13.02 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.27e-06/0.8821, allocations: 1.281 kB / 1.101 GB, free: 13.02 MB / 0.8731 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00156/0.8837, allocations: 0.9635 MB / 1.102 GB, free: 12.31 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.422e-06/0.8837, allocations: 3.188 kB / 1.102 GB, free: 12.31 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001532/0.8839, allocations: 35.14 kB / 1.102 GB, free: 12.3 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.484e-06/0.8839, allocations: 4.5 kB / 1.102 GB, free: 12.3 MB / 0.8731 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.85e-05/0.8839, allocations: 4.562 kB / 1.102 GB, free: 12.3 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.945e-06/0.8839, allocations: 5.438 kB / 1.102 GB, free: 12.3 MB / 0.8731 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.056e-06/0.8839, allocations: 8.062 kB / 1.102 GB, free: 12.3 MB / 0.8731 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004391/0.8844, allocations: 436.9 kB / 1.103 GB, free: 11.93 MB / 0.8731 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001134/0.8845, allocations: 114.3 kB / 1.103 GB, free: 11.82 MB / 0.8731 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.56e-05/0.8845, allocations: 7.203 kB / 1.103 GB, free: 11.82 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002282/0.8848, allocations: 15.42 kB / 1.103 GB, free: 11.81 MB / 0.8731 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.633e-05/0.8848, allocations: 19.16 kB / 1.103 GB, free: 11.8 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.312e-05/0.8848, allocations: 7.031 kB / 1.103 GB, free: 11.8 MB / 0.8731 GB Notification: Performance of sorting global known variables: time 0.0001419/0.885, allocations: 141.3 kB / 1.103 GB, free: 11.71 MB / 0.8731 GB Notification: Performance of sort global known variables: time 1.6e-07/0.885, allocations: 4.469 kB / 1.103 GB, free: 11.7 MB / 0.8731 GB Notification: Performance of remove unused functions: time 0.0005698/0.8856, allocations: 75.06 kB / 1.103 GB, free: 11.69 MB / 0.8731 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * 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 (14): * Single equations (assignments): 14 * 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 0.0001757/0.8858, allocations: 114.2 kB / 1.103 GB, free: 11.59 MB / 0.8731 GB Notification: Performance of simCode: created initialization part: time 0.0005786/0.8863, allocations: 305.7 kB / 1.103 GB, free: 11.5 MB / 0.8731 GB Notification: Performance of simCode: created event and clocks part: time 6.382e-06/0.8864, allocations: 0.8438 kB / 1.103 GB, free: 11.5 MB / 0.8731 GB Notification: Performance of simCode: created simulation system equations: time 0.000128/0.8865, allocations: 86.45 kB / 1.104 GB, free: 11.47 MB / 0.8731 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005203/0.887, allocations: 38.61 kB / 1.104 GB, free: 11.46 MB / 0.8731 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001129/0.8882, allocations: 0.4975 MB / 1.104 GB, free: 11.09 MB / 0.8731 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004267/0.8886, allocations: 0.7457 MB / 1.105 GB, free: 10.38 MB / 0.8731 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.863e-05/0.8887, allocations: 19.38 kB / 1.105 GB, free: 10.38 MB / 0.8731 GB Notification: Performance of SimCode: time 4.71e-07/0.8887, allocations: 4.625 kB / 1.105 GB, free: 10.38 MB / 0.8731 GB Notification: Performance of Templates: time 0.005091/0.8938, allocations: 2.359 MB / 1.107 GB, free: 10.18 MB / 0.8731 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Electrical_AC_ThreePhasesBalanced_Sensors_Examples_GeneralizedSensor.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Electrical.AC.ThreePhasesBalanced.Sensors.Examples.GeneralizedSensor.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches