Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.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.ThermalZones.Detailed.Constructions.Examples.ExteriorWall,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|conExt.1..opa.T.1.|conExt.1..opa.T.2.|conExt.1..opa.T.3.|conExt.1..opa.T.4.|conExt.1..opa.T.5.|bouConExt.weaBus.TDryBul",fileNamePrefix="Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall") translateModel(Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|conExt.1..opa.T.1.|conExt.1..opa.T.2.|conExt.1..opa.T.3.|conExt.1..opa.T.4.|conExt.1..opa.T.5.|bouConExt.weaBus.TDryBul",fileNamePrefix="Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001454/0.001454, allocations: 111.3 kB / 15.23 MB, free: 0.6367 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001673/0.001673, allocations: 198.2 kB / 16.14 MB, free: 6.746 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.415/1.415, allocations: 222.9 MB / 239.8 MB, free: 4.594 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 2.362/2.362, allocations: 390.2 MB / 0.6642 GB, free: 0.582 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001553/0.001553, allocations: 63.91 kB / 0.8118 GB, free: 14.89 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6859/0.6875, allocations: 140.4 MB / 0.9489 GB, free: 9.066 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall): time 0.01017/0.6977, allocations: 8.332 MB / 0.9571 GB, free: 2.508 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.1818/0.8796, allocations: 152.3 MB / 1.106 GB, free: 0.9609 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002154/0.8818, allocations: 43.75 kB / 1.106 GB, free: 0.918 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.003371/0.8852, allocations: 0.9799 MB / 1.107 GB, free: 15.93 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.003861/0.8891, allocations: 0.9072 MB / 1.108 GB, free: 15.03 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.004934/0.894, allocations: 1.459 MB / 1.109 GB, free: 13.58 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.006802/0.9008, allocations: 4.72 MB / 1.114 GB, free: 8.848 MB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003088/0.904, allocations: 1.784 MB / 1.115 GB, free: 7.016 MB / 0.8731 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003175/0.9071, allocations: 1.713 MB / 1.117 GB, free: 5.297 MB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003079/0.9102, allocations: 1.566 MB / 1.119 GB, free: 3.727 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.00122/0.9115, allocations: 176 kB / 1.119 GB, free: 3.555 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002941/0.9144, allocations: 0.9444 MB / 1.12 GB, free: 2.609 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.001206/0.9157, allocations: 0.755 MB / 1.12 GB, free: 1.852 MB / 0.8731 GB Notification: Performance of NFVerifyModel.verify: time 0.003034/0.9187, allocations: 1.5 MB / 1.122 GB, free: 352 kB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.007032/0.9258, allocations: 5.212 MB / 1.127 GB, free: 11.12 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 4.648e-06/0.9258, allocations: 0 / 1.127 GB, free: 11.12 MB / 0.8887 GB Notification: Performance of FrontEnd: time 1.112e-06/0.9258, allocations: 0 / 1.127 GB, free: 11.12 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0001798/0.926, allocations: 0 / 1.127 GB, free: 11.12 MB / 0.8887 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 502 * Number of variables: 502 Notification: Performance of Generate backend data structure: time 0.01149/0.9375, allocations: 4.08 MB / 1.131 GB, free: 6.965 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 4.965e-05/0.9375, allocations: 8.031 kB / 1.131 GB, free: 6.957 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009786/0.9473, allocations: 1.569 MB / 1.133 GB, free: 5.383 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005771/0.9531, allocations: 2.597 MB / 1.135 GB, free: 2.715 MB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002393/0.9534, allocations: 185.6 kB / 1.135 GB, free: 2.527 MB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007288/0.9541, allocations: 215.9 kB / 1.135 GB, free: 2.316 MB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007665/0.9618, allocations: 3.319 MB / 1.139 GB, free: 14.94 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.177e-05/0.9619, allocations: 4 kB / 1.139 GB, free: 14.94 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002368/0.9621, allocations: 80 kB / 1.139 GB, free: 14.86 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.619e-05/0.9622, allocations: 51.98 kB / 1.139 GB, free: 14.81 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009007/0.9712, allocations: 3.964 MB / 1.143 GB, free: 10.84 MB / 0.9044 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 0.02141/0.9926, allocations: 10.13 MB / 1.153 GB, free: 448 kB / 0.9044 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00704/0.9997, allocations: 2.919 MB / 1.155 GB, free: 13.52 MB / 0.92 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002891/1.003, allocations: 1.379 MB / 1.157 GB, free: 12.13 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007207/1.003, allocations: 487.1 kB / 1.157 GB, free: 11.57 MB / 0.92 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003376/1.007, allocations: 1.633 MB / 1.159 GB, free: 9.914 MB / 0.92 GB Notification: Performance of pre-optimization done (n=166): time 4.609e-06/1.007, allocations: 0 / 1.159 GB, free: 9.914 MB / 0.92 GB Notification: Performance of matching and sorting (n=166): time 0.0119/1.019, allocations: 4.734 MB / 1.163 GB, free: 5.082 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001106/1.019, allocations: 209.2 kB / 1.164 GB, free: 4.836 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005569/1.024, allocations: 3.169 MB / 1.167 GB, free: 1.645 MB / 0.92 GB Notification: Performance of collectPreVariables (initialization): time 0.0003096/1.025, allocations: 65.7 kB / 1.167 GB, free: 1.574 MB / 0.92 GB Notification: Performance of collectInitialEqns (initialization): time 0.001205/1.026, allocations: 1.127 MB / 1.168 GB, free: 444 kB / 0.92 GB Notification: Performance of collectInitialBindings (initialization): time 0.000753/1.027, allocations: 0.543 MB / 1.168 GB, free: 15.88 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009264/1.028, allocations: 423.2 kB / 1.169 GB, free: 15.46 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.0001032/1.028, allocations: 301.1 kB / 1.169 GB, free: 15.17 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003261/1.031, allocations: 1.374 MB / 1.17 GB, free: 13.79 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003477/1.035, allocations: 1.772 MB / 1.172 GB, free: 11.87 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006536/1.041, allocations: 2.991 MB / 1.175 GB, free: 8.742 MB / 0.9356 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.613e-05/1.041, allocations: 8 kB / 1.175 GB, free: 8.734 MB / 0.9356 GB Notification: Performance of matching and sorting (n=236) (initialization): time 0.01003/1.051, allocations: 3.714 MB / 1.179 GB, free: 4.996 MB / 0.9356 GB Notification: Performance of prepare postOptimizeDAE: time 3.497e-05/1.051, allocations: 8 kB / 1.179 GB, free: 4.988 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.647e-05/1.051, allocations: 12 kB / 1.179 GB, free: 4.977 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002102/1.053, allocations: 399.2 kB / 1.179 GB, free: 4.574 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002898/1.056, allocations: 0.546 MB / 1.18 GB, free: 4.027 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005709/1.062, allocations: 5.38 MB / 1.185 GB, free: 14.22 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003407/1.065, allocations: 0.4898 MB / 1.185 GB, free: 13.73 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004779/1.066, allocations: 95.88 kB / 1.186 GB, free: 13.63 MB / 0.9512 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 46 * Number of states: 0 () * Number of discrete variables: 23 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,bouConExt.HDifTil[1].incAng.decAng.tNext,$PRE.bouConExt.HDifTil[1].incAng.decAng.tNext,bouConExt.HDirTil[1].incAng.decAng.tNext,$PRE.bouConExt.HDirTil[1].incAng.decAng.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (223): * Single equations (assignments): 219 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,1,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,7), (1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.002296/1.068, allocations: 1.12 MB / 1.187 GB, free: 12.5 MB / 0.9512 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001/1.069, allocations: 248.9 kB / 1.187 GB, free: 12.25 MB / 0.9512 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00902/1.078, allocations: 3.571 MB / 1.19 GB, free: 8.66 MB / 0.9512 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.645e-05/1.078, allocations: 16 kB / 1.19 GB, free: 8.645 MB / 0.9512 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.187e-06/1.078, allocations: 4 kB / 1.19 GB, free: 8.641 MB / 0.9512 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.046e-05/1.078, allocations: 11.95 kB / 1.19 GB, free: 8.629 MB / 0.9512 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004665/1.083, allocations: 2.951 MB / 1.193 GB, free: 5.629 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.074e-05/1.083, allocations: 3.938 kB / 1.193 GB, free: 5.625 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002123/1.085, allocations: 427.3 kB / 1.194 GB, free: 5.207 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001768/1.087, allocations: 387 kB / 1.194 GB, free: 4.816 MB / 0.9512 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002066/1.087, allocations: 59.94 kB / 1.194 GB, free: 4.758 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005104/1.092, allocations: 5.394 MB / 1.199 GB, free: 14.93 MB / 0.9669 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.094e-06/1.092, allocations: 0 / 1.199 GB, free: 14.93 MB / 0.9669 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01136/1.104, allocations: 4.922 MB / 1.204 GB, free: 9.977 MB / 0.9669 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001859/1.106, allocations: 0.7865 MB / 1.205 GB, free: 9.168 MB / 0.9669 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007381/1.106, allocations: 55.83 kB / 1.205 GB, free: 9.113 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002663/1.109, allocations: 315.5 kB / 1.205 GB, free: 8.805 MB / 0.9669 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004074/1.109, allocations: 141.7 kB / 1.205 GB, free: 8.668 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001938/1.11, allocations: 67.95 kB / 1.205 GB, free: 8.602 MB / 0.9669 GB Notification: Performance of sorting global known variables: time 0.003893/1.114, allocations: 2.255 MB / 1.208 GB, free: 6.336 MB / 0.9669 GB Notification: Performance of sort global known variables: time 2.51e-07/1.114, allocations: 0 / 1.208 GB, free: 6.336 MB / 0.9669 GB Notification: Performance of remove unused functions: time 0.00294/1.116, allocations: 0.8458 MB / 1.209 GB, free: 5.488 MB / 0.9669 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 5 (conExt[1].opa.lay[1].T[1],conExt[1].opa.lay[1].T[2],conExt[1].opa.lay[2].T[1],conExt[1].opa.lay[2].T[2],conExt[1].opa.lay[2].T[3]) * Number of discrete variables: 14 ($whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,bouConExt.HDirTil[1].incAng.decAng.tNext,bouConExt.HDifTil[1].incAng.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext) * Number of discrete states: 7 (bouConExt.HDirTil[1].incAng.decAng.tNext,bouConExt.HDifTil[1].incAng.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (172): * Single equations (assignments): 161 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 7 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,7), (1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001778/1.118, allocations: 0.6929 MB / 1.209 GB, free: 4.965 MB / 0.9669 GB Notification: Performance of simCode: created initialization part: time 0.007706/1.126, allocations: 3.392 MB / 1.212 GB, free: 1.531 MB / 0.9669 GB Notification: Performance of simCode: created event and clocks part: time 6.042e-06/1.126, allocations: 4.312 kB / 1.212 GB, free: 1.527 MB / 0.9669 GB Notification: Performance of simCode: created simulation system equations: time 0.003767/1.13, allocations: 1.827 MB / 1.214 GB, free: 15.66 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003707/1.134, allocations: 0.7526 MB / 1.215 GB, free: 14.92 MB / 0.9825 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01403/1.148, allocations: 7.82 MB / 1.223 GB, free: 7.074 MB / 0.9825 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002492/1.15, allocations: 2.347 MB / 1.225 GB, free: 4.691 MB / 0.9825 GB Notification: Performance of simCode: alias equations: time 0.003279/1.153, allocations: 0.8968 MB / 1.226 GB, free: 3.789 MB / 0.9825 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00101/1.154, allocations: 231.2 kB / 1.226 GB, free: 3.562 MB / 0.9825 GB Notification: Performance of SimCode: time 6.61e-07/1.154, allocations: 4 kB / 1.226 GB, free: 3.559 MB / 0.9825 GB Notification: Performance of Templates: time 0.5158/1.67, allocations: 46.02 MB / 1.271 GB, free: 267.1 MB / 0.9981 GB make -j1 -f Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.makefile (rm -f Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.pipe ; mkfifo Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.pipe ; head -c 1048576 < Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.pipe >> ../files/Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.sim & ./Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_ThermalZones_Detailed_Constructions_Examples_ExteriorWall.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.ThermalZones.Detailed.Constructions.Examples.ExteriorWall.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches