Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods.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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/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.BaseClasses.Validation.MotorEfficiencyMethods,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|eff1.eta|eff1.etaHyd|eff1.etaMot|eff2.eta|eff2.etaHyd|eff2.etaMot|eff3.eta|eff3.etaHyd|eff3.etaMot|eff4.eta|eff4.etaHyd|eff4.etaMot",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods") translateModel(Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|eff1.eta|eff1.etaHyd|eff1.etaMot|eff2.eta|eff2.etaHyd|eff2.etaMot|eff3.eta|eff3.etaHyd|eff3.etaMot|eff4.eta|eff4.etaHyd|eff4.etaMot",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001105/0.001104, allocations: 108 kB / 15.61 MB, free: 148 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001151/0.001151, allocations: 194.4 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.375/1.375, allocations: 222.9 MB / 240.2 MB, free: 4.379 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.91/2.91, allocations: 472.6 MB / 0.7451 GB, free: 4.66 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001263/0.001264, allocations: 59.11 kB / 0.912 GB, free: 33.39 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.287/0.2883, allocations: 159.9 MB / 1.068 GB, free: 10.44 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods): time 0.006077/0.2944, allocations: 4.885 MB / 1.073 GB, free: 5.523 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.01009/0.3045, allocations: 5.629 MB / 1.078 GB, free: 15.89 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009271/0.3055, allocations: 27.88 kB / 1.079 GB, free: 15.86 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.01625/0.3218, allocations: 10.97 MB / 1.089 GB, free: 4.883 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.00316/0.325, allocations: 1.23 MB / 1.09 GB, free: 3.648 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.003211/0.3282, allocations: 1.521 MB / 1.092 GB, free: 2.129 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.01993/0.3482, allocations: 14.52 MB / 1.106 GB, free: 3.59 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004791/0.3487, allocations: 160.4 kB / 1.106 GB, free: 3.422 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001466/0.3501, allocations: 0.7708 MB / 1.107 GB, free: 2.648 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001256/0.3514, allocations: 0.7467 MB / 1.108 GB, free: 1.898 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.0003335/0.3518, allocations: 80 kB / 1.108 GB, free: 1.82 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001848/0.3536, allocations: 0.8814 MB / 1.109 GB, free: 0.9375 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.0009335/0.3546, allocations: 0.9037 MB / 1.11 GB, free: 32 kB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.001379/0.356, allocations: 1.018 MB / 1.111 GB, free: 15 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.003602/0.3596, allocations: 2.919 MB / 1.113 GB, free: 12.08 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 3.547e-06/0.3596, allocations: 0 / 1.113 GB, free: 12.08 MB / 0.8731 GB Notification: Performance of FrontEnd: time 2.014e-06/0.3596, allocations: 0 / 1.113 GB, free: 12.08 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 5.016e-05/0.3596, allocations: 0 / 1.113 GB, free: 12.08 MB / 0.8731 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 75 * Number of variables: 75 Notification: Performance of Generate backend data structure: time 0.004148/0.3638, allocations: 2.634 MB / 1.116 GB, free: 9.375 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 3.712e-05/0.3638, allocations: 8.031 kB / 1.116 GB, free: 9.367 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003197/0.3671, allocations: 0.5979 MB / 1.117 GB, free: 8.766 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004485/0.3716, allocations: 2.903 MB / 1.119 GB, free: 5.801 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001192/0.3717, allocations: 48.95 kB / 1.119 GB, free: 5.75 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.689e-05/0.3718, allocations: 44 kB / 1.119 GB, free: 5.707 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001588/0.3734, allocations: 0.6695 MB / 1.12 GB, free: 5.031 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.449e-05/0.3734, allocations: 7.969 kB / 1.12 GB, free: 5.023 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.045e-05/0.3735, allocations: 16 kB / 1.12 GB, free: 5.008 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.427e-06/0.3735, allocations: 8 kB / 1.12 GB, free: 5 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002082/0.3756, allocations: 0.6114 MB / 1.121 GB, free: 4.391 MB / 0.8731 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004703/0.3803, allocations: 2.635 MB / 1.123 GB, free: 1.68 MB / 0.8731 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002229/0.3826, allocations: 0.753 MB / 1.124 GB, free: 0.918 MB / 0.8731 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009392/0.3835, allocations: 297.2 kB / 1.124 GB, free: 0.625 MB / 0.8731 GB Notification: Performance of preOpt evalFunc (simulation): time 4.345e-05/0.3836, allocations: 12.27 kB / 1.124 GB, free: 0.6133 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.33e-05/0.3836, allocations: 38.84 kB / 1.124 GB, free: 0.5664 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=33): time 2.204e-06/0.3836, allocations: 0 / 1.124 GB, free: 0.5664 MB / 0.8731 GB Notification: Performance of matching and sorting (n=33): time 0.003545/0.3871, allocations: 1.137 MB / 1.125 GB, free: 15.42 MB / 0.8887 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.127e-05/0.3872, allocations: 55.41 kB / 1.126 GB, free: 15.36 MB / 0.8887 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004131/0.3913, allocations: 3.116 MB / 1.129 GB, free: 12.22 MB / 0.8887 GB Notification: Performance of collectPreVariables (initialization): time 9.943e-05/0.3915, allocations: 41.7 kB / 1.129 GB, free: 12.18 MB / 0.8887 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007154/0.3922, allocations: 0.8101 MB / 1.129 GB, free: 11.36 MB / 0.8887 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001324/0.3923, allocations: 138.3 kB / 1.13 GB, free: 11.22 MB / 0.8887 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007914/0.3931, allocations: 0.5714 MB / 1.13 GB, free: 10.65 MB / 0.8887 GB Notification: Performance of setup shared object (initialization): time 0.0001204/0.3932, allocations: 305.1 kB / 1.13 GB, free: 10.35 MB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002129/0.3954, allocations: 1.237 MB / 1.132 GB, free: 9.105 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002753/0.3981, allocations: 1.698 MB / 1.133 GB, free: 7.254 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003989/0.4021, allocations: 2.589 MB / 1.136 GB, free: 4.547 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.088e-05/0.4022, allocations: 4 kB / 1.136 GB, free: 4.543 MB / 0.8887 GB Notification: Performance of matching and sorting (n=339) (initialization): time 0.005375/0.4075, allocations: 3.272 MB / 1.139 GB, free: 1.262 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 2.267e-05/0.4076, allocations: 15.94 kB / 1.139 GB, free: 1.246 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.905e-05/0.4076, allocations: 16.19 kB / 1.139 GB, free: 1.23 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.87e-05/0.4076, allocations: 16 kB / 1.139 GB, free: 1.215 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001542/0.4092, allocations: 403.5 kB / 1.139 GB, free: 0.8203 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.975e-05/0.4092, allocations: 23.92 kB / 1.139 GB, free: 0.7969 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002144/0.4114, allocations: 306.2 kB / 1.14 GB, free: 0.4961 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001865/0.4116, allocations: 108 kB / 1.14 GB, free: 400 kB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00321/0.4148, allocations: 1.711 MB / 1.142 GB, free: 14.68 MB / 0.9044 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002484/0.4173, allocations: 1.632 MB / 1.143 GB, free: 12.89 MB / 0.9044 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003794/0.4211, allocations: 2.437 MB / 1.145 GB, free: 10.33 MB / 0.9044 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.041e-05/0.4211, allocations: 4 kB / 1.145 GB, free: 10.33 MB / 0.9044 GB Notification: Performance of matching and sorting (n=339) (initialization_lambda0): time 0.006837/0.428, allocations: 3.101 MB / 1.149 GB, free: 7.215 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 3.264e-05/0.428, allocations: 13.56 kB / 1.149 GB, free: 7.203 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.87e-05/0.4281, allocations: 8 kB / 1.149 GB, free: 7.195 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.368e-05/0.4281, allocations: 19.98 kB / 1.149 GB, free: 7.176 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002314/0.4305, allocations: 391.6 kB / 1.149 GB, free: 6.793 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.946e-05/0.4305, allocations: 27.92 kB / 1.149 GB, free: 6.766 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003636/0.4342, allocations: 254.6 kB / 1.149 GB, free: 6.516 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003285/0.4345, allocations: 91.97 kB / 1.149 GB, free: 6.426 MB / 0.9044 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 39 * 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 (207): * Single equations (assignments): 199 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 4 * 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 0.0007603/0.4353, allocations: 263.8 kB / 1.15 GB, free: 6.16 MB / 0.9044 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009904/0.4363, allocations: 220.9 kB / 1.15 GB, free: 5.941 MB / 0.9044 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00446/0.4408, allocations: 0.8887 MB / 1.151 GB, free: 5.039 MB / 0.9044 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.224e-05/0.4408, allocations: 4 kB / 1.151 GB, free: 5.035 MB / 0.9044 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.311e-05/0.4409, allocations: 0 / 1.151 GB, free: 5.035 MB / 0.9044 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.894e-05/0.4409, allocations: 7.922 kB / 1.151 GB, free: 5.027 MB / 0.9044 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003917/0.4448, allocations: 1.217 MB / 1.152 GB, free: 3.75 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.208e-05/0.4448, allocations: 4 kB / 1.152 GB, free: 3.746 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001157/0.446, allocations: 131.8 kB / 1.152 GB, free: 3.617 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.107e-06/0.446, allocations: 0 / 1.152 GB, free: 3.617 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.746e-05/0.4461, allocations: 12 kB / 1.152 GB, free: 3.605 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.11e-06/0.4461, allocations: 0 / 1.152 GB, free: 3.605 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.144e-06/0.4461, allocations: 0 / 1.152 GB, free: 3.605 MB / 0.9044 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003781/0.4499, allocations: 0.9747 MB / 1.153 GB, free: 2.609 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001385/0.4513, allocations: 389.8 kB / 1.153 GB, free: 2.207 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008374/0.4522, allocations: 7.984 kB / 1.153 GB, free: 2.199 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002121/0.4543, allocations: 99.88 kB / 1.153 GB, free: 2.102 MB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001374/0.4545, allocations: 27.97 kB / 1.153 GB, free: 2.074 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.67e-05/0.4546, allocations: 27.92 kB / 1.153 GB, free: 2.047 MB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.006652/0.4613, allocations: 2.043 MB / 1.155 GB, free: 4 kB / 0.9044 GB Notification: Performance of sort global known variables: time 8.72e-07/0.4613, allocations: 0 / 1.155 GB, free: 4 kB / 0.9044 GB Notification: Performance of remove unused functions: time 0.005748/0.467, allocations: 0.902 MB / 1.156 GB, free: 15.1 MB / 0.92 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (37): * Single equations (assignments): 37 * 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 0.001691/0.4688, allocations: 410.8 kB / 1.157 GB, free: 14.69 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.01288/0.4817, allocations: 3.517 MB / 1.16 GB, free: 11.18 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 5.61e-06/0.4817, allocations: 3.938 kB / 1.16 GB, free: 11.18 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.001819/0.4835, allocations: 343.9 kB / 1.16 GB, free: 10.84 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007946/0.4915, allocations: 0.9258 MB / 1.161 GB, free: 9.941 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03047/0.522, allocations: 4.968 MB / 1.166 GB, free: 4.938 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002839/0.5249, allocations: 1.646 MB / 1.168 GB, free: 3.258 MB / 0.92 GB Notification: Performance of simCode: alias equations: time 0.005631/0.5306, allocations: 0.6598 MB / 1.168 GB, free: 2.594 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001179/0.5318, allocations: 171.4 kB / 1.169 GB, free: 2.426 MB / 0.92 GB Notification: Performance of SimCode: time 1.543e-06/0.5318, allocations: 0 / 1.169 GB, free: 2.426 MB / 0.92 GB Notification: Performance of Templates: time 0.08049/0.6123, allocations: 43.75 MB / 1.211 GB, free: 7.184 MB / 0.9669 GB make -j1 -f Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods.makefile (rm -f Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods.pipe >> ../files/Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods.sim & ./Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Movers_BaseClasses_Validation_MotorEfficiencyMethods.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Movers.BaseClasses.Validation.MotorEfficiencyMethods.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches