Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.HeatTransfer.Convection.Examples.Interior.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.HeatTransfer.Convection.Examples.Interior,fileNamePrefix="Buildings_10_Buildings_HeatTransfer_Convection_Examples_Interior",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.HeatTransfer.Convection.Examples.Interior,fileNamePrefix="Buildings_10_Buildings_HeatTransfer_Convection_Examples_Interior",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 0.006558/0.006558, allocations: 97.62 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 0.001633/0.001633, allocations: 201 kB / 16.68 MB, free: 5.969 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.291/1.291, allocations: 222.9 MB / 240.4 MB, free: 4.355 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 2.389/2.389, allocations: 437.1 MB / 0.7106 GB, free: 4.957 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001707/0.001707, allocations: 71.88 kB / 1.018 GB, free: 15.03 MB / 0.7794 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2597/0.2614, allocations: 151.6 MB / 1.166 GB, free: 7.285 MB / 0.92 GB
Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Convection.Examples.Interior): time 0.00328/0.2648, allocations: 2.416 MB / 1.169 GB, free: 4.844 MB / 0.92 GB
Notification: Performance of NFInst.instExpressions: time 0.001438/0.2662, allocations: 0.943 MB / 1.169 GB, free: 3.895 MB / 0.92 GB
Notification: Performance of NFInst.updateImplicitVariability: time 9.695e-05/0.2663, allocations: 4 kB / 1.169 GB, free: 3.891 MB / 0.92 GB
Notification: Performance of NFTyping.typeComponents: time 7.247e-05/0.2664, allocations: 35.59 kB / 1.169 GB, free: 3.855 MB / 0.92 GB
Notification: Performance of NFTyping.typeBindings: time 0.0003409/0.2667, allocations: 127 kB / 1.17 GB, free: 3.73 MB / 0.92 GB
Notification: Performance of NFTyping.typeClassSections: time 0.000313/0.2671, allocations: 175.7 kB / 1.17 GB, free: 3.559 MB / 0.92 GB
Notification: Performance of NFFlatten.flatten: time 0.0004404/0.2675, allocations: 350.3 kB / 1.17 GB, free: 3.215 MB / 0.92 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0001975/0.2677, allocations: 111.9 kB / 1.17 GB, free: 3.105 MB / 0.92 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0001393/0.2679, allocations: 115.6 kB / 1.17 GB, free: 2.992 MB / 0.92 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0002245/0.2681, allocations: 151.2 kB / 1.17 GB, free: 2.844 MB / 0.92 GB
Notification: Performance of NFPackage.collectConstants: time 3.207e-05/0.2681, allocations: 24 kB / 1.17 GB, free: 2.82 MB / 0.92 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0001093/0.2683, allocations: 43.98 kB / 1.171 GB, free: 2.777 MB / 0.92 GB
Notification: Performance of NFScalarize.scalarize: time 4.178e-05/0.2683, allocations: 43.84 kB / 1.171 GB, free: 2.734 MB / 0.92 GB
Notification: Performance of NFVerifyModel.verify: time 0.0001287/0.2684, allocations: 139.3 kB / 1.171 GB, free: 2.598 MB / 0.92 GB
Notification: Performance of NFConvertDAE.convert: time 0.0003281/0.2688, allocations: 294.7 kB / 1.171 GB, free: 2.309 MB / 0.92 GB
Notification: Performance of FrontEnd - DAE generated: time 3.516e-06/0.2688, allocations: 3.938 kB / 1.171 GB, free: 2.305 MB / 0.92 GB
Notification: Performance of FrontEnd: time 1.102e-06/0.2688, allocations: 0 / 1.171 GB, free: 2.305 MB / 0.92 GB
Notification: Performance of Transformations before backend: time 5.33e-06/0.2688, allocations: 0 / 1.171 GB, free: 2.305 MB / 0.92 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 49
 * Number of variables: 49
Notification: Performance of Generate backend data structure: time 0.0007504/0.2696, allocations: 0.5803 MB / 1.172 GB, free: 1.676 MB / 0.92 GB
Notification: Performance of prepare preOptimizeDAE: time 3.22e-05/0.2696, allocations: 8.031 kB / 1.172 GB, free: 1.668 MB / 0.92 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.43e-05/0.2697, allocations: 54.73 kB / 1.172 GB, free: 1.605 MB / 0.92 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 5.529e-05/0.2697, allocations: 36.73 kB / 1.172 GB, free: 1.57 MB / 0.92 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003215/0.27, allocations: 258.9 kB / 1.172 GB, free: 1.277 MB / 0.92 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.658e-05/0.2701, allocations: 20.8 kB / 1.172 GB, free: 1.258 MB / 0.92 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 2.734e-05/0.2701, allocations: 20.38 kB / 1.172 GB, free: 1.238 MB / 0.92 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.000347/0.2705, allocations: 191.3 kB / 1.172 GB, free: 1.047 MB / 0.92 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.628e-06/0.2705, allocations: 0 / 1.172 GB, free: 1.047 MB / 0.92 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.822e-05/0.2705, allocations: 8 kB / 1.172 GB, free: 1.039 MB / 0.92 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.276e-06/0.2705, allocations: 4 kB / 1.172 GB, free: 1.035 MB / 0.92 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003169/0.2708, allocations: 129.7 kB / 1.172 GB, free: 0.9062 MB / 0.92 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009679/0.2718, allocations: 0.8121 MB / 1.173 GB, free: 15.99 MB / 0.9356 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0003091/0.2721, allocations: 122.5 kB / 1.173 GB, free: 15.86 MB / 0.9356 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001506/0.2723, allocations: 60.83 kB / 1.173 GB, free: 15.8 MB / 0.9356 GB
Notification: Performance of preOpt evalFunc (simulation): time 2.322e-05/0.2723, allocations: 0 / 1.173 GB, free: 15.8 MB / 0.9356 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.67e-05/0.2723, allocations: 42.5 kB / 1.173 GB, free: 15.75 MB / 0.9356 GB
Notification: Performance of pre-optimization done (n=13): time 8.92e-07/0.2724, allocations: 0 / 1.173 GB, free: 15.75 MB / 0.9356 GB
Notification: Performance of matching and sorting (n=13): time 0.0004766/0.2728, allocations: 185.2 kB / 1.173 GB, free: 15.57 MB / 0.9356 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.615e-05/0.2729, allocations: 51.41 kB / 1.173 GB, free: 15.5 MB / 0.9356 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002304/0.2731, allocations: 238.6 kB / 1.174 GB, free: 15.27 MB / 0.9356 GB
Notification: Performance of collectPreVariables (initialization): time 1.909e-05/0.2731, allocations: 25.7 kB / 1.174 GB, free: 15.23 MB / 0.9356 GB
Notification: Performance of collectInitialEqns (initialization): time 9.926e-05/0.2732, allocations: 156.5 kB / 1.174 GB, free: 15.08 MB / 0.9356 GB
Notification: Performance of collectInitialBindings (initialization): time 3.876e-05/0.2733, allocations: 51.58 kB / 1.174 GB, free: 15.03 MB / 0.9356 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 5.472e-05/0.2734, allocations: 33.66 kB / 1.174 GB, free: 14.99 MB / 0.9356 GB
Notification: Performance of setup shared object (initialization): time 0.0001333/0.2735, allocations: 330.8 kB / 1.174 GB, free: 14.66 MB / 0.9356 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001203/0.2736, allocations: 40.83 kB / 1.174 GB, free: 14.61 MB / 0.9356 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001039/0.2737, allocations: 35.97 kB / 1.174 GB, free: 14.58 MB / 0.9356 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0002254/0.274, allocations: 96.81 kB / 1.174 GB, free: 14.48 MB / 0.9356 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.503e-06/0.274, allocations: 0 / 1.174 GB, free: 14.48 MB / 0.9356 GB
Notification: Performance of matching and sorting (n=13) (initialization): time 0.0002955/0.2743, allocations: 145.5 kB / 1.175 GB, free: 14.33 MB / 0.9356 GB
Notification: Performance of prepare postOptimizeDAE: time 1.238e-05/0.2743, allocations: 7.938 kB / 1.175 GB, free: 14.32 MB / 0.9356 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.741e-06/0.2743, allocations: 4 kB / 1.175 GB, free: 14.32 MB / 0.9356 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.078e-05/0.2743, allocations: 0 / 1.175 GB, free: 14.32 MB / 0.9356 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001212/0.2744, allocations: 23.98 kB / 1.175 GB, free: 14.3 MB / 0.9356 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.458e-06/0.2745, allocations: 4 kB / 1.175 GB, free: 14.29 MB / 0.9356 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 9.262e-05/0.2746, allocations: 15.88 kB / 1.175 GB, free: 14.28 MB / 0.9356 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.19e-05/0.2746, allocations: 8 kB / 1.175 GB, free: 14.27 MB / 0.9356 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001694/0.2747, allocations: 132.1 kB / 1.175 GB, free: 14.14 MB / 0.9356 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 9.503e-05/0.2748, allocations: 36.55 kB / 1.175 GB, free: 14.1 MB / 0.9356 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002022/0.2751, allocations: 96 kB / 1.175 GB, free: 14.01 MB / 0.9356 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.12e-07/0.2751, allocations: 0 / 1.175 GB, free: 14.01 MB / 0.9356 GB
Notification: Performance of matching and sorting (n=13) (initialization_lambda0): time 0.0002704/0.2753, allocations: 137.5 kB / 1.175 GB, free: 13.87 MB / 0.9356 GB
Notification: Performance of prepare postOptimizeDAE: time 7.304e-06/0.2754, allocations: 6.031 kB / 1.175 GB, free: 13.86 MB / 0.9356 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.786e-06/0.2754, allocations: 3.938 kB / 1.175 GB, free: 13.86 MB / 0.9356 GB
Notification: Performance of postOpt tearingSystem (initialization): time 3.095e-06/0.2754, allocations: 3.984 kB / 1.175 GB, free: 13.86 MB / 0.9356 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001036/0.2755, allocations: 27.92 kB / 1.175 GB, free: 13.83 MB / 0.9356 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.727e-06/0.2755, allocations: 4 kB / 1.175 GB, free: 13.82 MB / 0.9356 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 8.076e-05/0.2756, allocations: 4 kB / 1.175 GB, free: 13.82 MB / 0.9356 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.648e-06/0.2756, allocations: 4 kB / 1.175 GB, free: 13.82 MB / 0.9356 GB
Notification: Model statistics after passing the back-end for initialization:
 * 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 initialization (13):
 * Single equations (assignments): 13
 * 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 0.0001006/0.2757, allocations: 184.3 kB / 1.175 GB, free: 13.63 MB / 0.9356 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 4.993e-05/0.2757, allocations: 31.78 kB / 1.175 GB, free: 13.6 MB / 0.9356 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003411/0.2761, allocations: 159.3 kB / 1.175 GB, free: 13.43 MB / 0.9356 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.268e-06/0.2761, allocations: 7.938 kB / 1.175 GB, free: 13.43 MB / 0.9356 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.236e-06/0.2761, allocations: 0 / 1.175 GB, free: 13.43 MB / 0.9356 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.765e-06/0.2761, allocations: 0 / 1.175 GB, free: 13.43 MB / 0.9356 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002713/0.2764, allocations: 265.5 kB / 1.176 GB, free: 13.12 MB / 0.9356 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.142e-06/0.2764, allocations: 4 kB / 1.176 GB, free: 13.12 MB / 0.9356 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001101/0.2765, allocations: 27.98 kB / 1.176 GB, free: 13.09 MB / 0.9356 GB
Notification: Performance of postOpt tearingSystem (simulation): time 3.577e-06/0.2765, allocations: 7.875 kB / 1.176 GB, free: 13.08 MB / 0.9356 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.009e-05/0.2765, allocations: 3.984 kB / 1.176 GB, free: 13.08 MB / 0.9356 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.406e-06/0.2766, allocations: 4 kB / 1.176 GB, free: 13.07 MB / 0.9356 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.11e-07/0.2766, allocations: 0 / 1.176 GB, free: 13.07 MB / 0.9356 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003359/0.2769, allocations: 250.8 kB / 1.176 GB, free: 12.82 MB / 0.9356 GB
Notification: Performance of postOpt removeConstants (simulation): time 8.611e-05/0.277, allocations: 112.8 kB / 1.176 GB, free: 12.69 MB / 0.9356 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.44e-05/0.277, allocations: 0 / 1.176 GB, free: 12.69 MB / 0.9356 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001138/0.2771, allocations: 11.98 kB / 1.176 GB, free: 12.68 MB / 0.9356 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 3.779e-05/0.2772, allocations: 7.984 kB / 1.176 GB, free: 12.67 MB / 0.9356 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.616e-06/0.2772, allocations: 8 kB / 1.176 GB, free: 12.66 MB / 0.9356 GB
Notification: Performance of sorting global known variables: time 0.0001486/0.2774, allocations: 174 kB / 1.176 GB, free: 12.49 MB / 0.9356 GB
Notification: Performance of sort global known variables: time 1.2e-07/0.2774, allocations: 0 / 1.176 GB, free: 12.49 MB / 0.9356 GB
Notification: Performance of remove unused functions: time 0.000351/0.2777, allocations: 95.78 kB / 1.176 GB, free: 12.39 MB / 0.9356 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 (13):
 * Single equations (assignments): 13
 * 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 0.000657/0.2784, allocations: 0.7903 MB / 1.177 GB, free: 11.58 MB / 0.9356 GB
Notification: Performance of simCode: created initialization part: time 0.0003988/0.2788, allocations: 151.8 kB / 1.177 GB, free: 11.43 MB / 0.9356 GB
Notification: Performance of simCode: created event and clocks part: time 1.904e-06/0.2788, allocations: 0 / 1.177 GB, free: 11.43 MB / 0.9356 GB
Notification: Performance of simCode: created simulation system equations: time 0.0001221/0.2789, allocations: 47.97 kB / 1.177 GB, free: 11.38 MB / 0.9356 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000401/0.2793, allocations: 55.36 kB / 1.177 GB, free: 11.34 MB / 0.9356 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002334/0.2817, allocations: 2.07 MB / 1.179 GB, free: 9.188 MB / 0.9356 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003326/0.282, allocations: 0.744 MB / 1.18 GB, free: 8.418 MB / 0.9356 GB
Notification: Performance of simCode: alias equations: time 8.321e-05/0.2821, allocations: 21.53 kB / 1.18 GB, free: 8.391 MB / 0.9356 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 9.952e-05/0.2822, allocations: 71.41 kB / 1.18 GB, free: 8.32 MB / 0.9356 GB
Notification: Performance of SimCode: time 1.8e-07/0.2822, allocations: 0 / 1.18 GB, free: 8.32 MB / 0.9356 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.159/1.441, allocations: 4.765 MB / 1.185 GB, free: 3.672 MB / 0.9356 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.89/19.33, allocations: 8.016 kB / 1.185 GB, free: 3.664 MB / 0.9356 GB
(rm -f Buildings_10_Buildings.HeatTransfer.Convection.Examples.Interior.pipe ; mkfifo Buildings_10_Buildings.HeatTransfer.Convection.Examples.Interior.pipe ; head -c 1048576 < Buildings_10_Buildings.HeatTransfer.Convection.Examples.Interior.pipe >> ../files/Buildings_10_Buildings.HeatTransfer.Convection.Examples.Interior.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_10_Buildings.HeatTransfer.Convection.Examples.Interior_res.mat --tempDir=temp_Buildings_10_Buildings_HeatTransfer_Convection_Examples_Interior_fmu --startTime=0 --stopTime=1 --timeout=400 --tolerance=1e-06 Buildings_10_Buildings_HeatTransfer_Convection_Examples_Interior.fmu > Buildings_10_Buildings.HeatTransfer.Convection.Examples.Interior.pipe 2>&1)
diffSimulationResults("Buildings_10_Buildings.HeatTransfer.Convection.Examples.Interior_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_HeatTransfer_Convection_Examples_Interior.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.HeatTransfer.Convection.Examples.Interior.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001)
Reference file matches