Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_trunk_ModelicaTest.Blocks.Continuous.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo", uses=false) Using package ModelicaTest with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo) Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(ModelicaTest.Blocks.Continuous,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|criticalDamping.x.1.|criticalDamping.x.2.|derivative.x|firstOrder.y|integrator.y|limIntegrator.y|limPID.D.x|limPID.I.y|lowpassButterworth.x1.1.|lowpassButterworth.x2.1.|pI.x|pID.D.x|pID.I.y|secondOrder.y|secondOrder.yd|stateSpace.x.1.|stateSpace.x.2.|transferFunction.x_scaled.1.",fileNamePrefix="ModelicaTest_trunk_ModelicaTest.Blocks.Continuous") translateModel(ModelicaTest.Blocks.Continuous,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|criticalDamping.x.1.|criticalDamping.x.2.|derivative.x|firstOrder.y|integrator.y|limIntegrator.y|limPID.D.x|limPID.I.y|lowpassButterworth.x1.1.|lowpassButterworth.x2.1.|pI.x|pID.D.x|pID.I.y|secondOrder.y|secondOrder.yd|stateSpace.x.1.|stateSpace.x.2.|transferFunction.x_scaled.1.",fileNamePrefix="ModelicaTest_trunk_ModelicaTest.Blocks.Continuous") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.00123/0.00123, allocations: 104.1 kB / 17.63 MB, free: 5.344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001339/0.001339, allocations: 214.4 kB / 18.59 MB, free: 4.402 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.547/1.547, allocations: 227.4 MB / 246.8 MB, free: 10.5 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo): time 0.2681/0.2681, allocations: 46.11 MB / 344.2 MB, free: 11.48 MB / 286.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00234/0.00234, allocations: 87.28 kB / 417.7 MB, free: 19.63 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1853/0.1876, allocations: 62.45 MB / 480.1 MB, free: 5.156 MB / 350.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Blocks.Continuous): time 0.005955/0.1937, allocations: 3.34 MB / 483.4 MB, free: 1.801 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.003852/0.1976, allocations: 1.594 MB / 485 MB, free: 204 kB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004918/0.1981, allocations: 19.88 kB / 485.1 MB, free: 184 kB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.000646/0.1988, allocations: 150.7 kB / 485.2 MB, free: 32 kB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0005276/0.1994, allocations: 182.6 kB / 485.4 MB, free: 15.85 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001468/0.2008, allocations: 0.5336 MB / 485.9 MB, free: 15.32 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.001172/0.202, allocations: 0.9007 MB / 486.8 MB, free: 14.42 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0005949/0.2026, allocations: 234.4 kB / 487.1 MB, free: 14.18 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0007431/0.2034, allocations: 362.5 kB / 487.4 MB, free: 13.82 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006047/0.204, allocations: 398.1 kB / 487.8 MB, free: 13.43 MB / 366.1 MB Notification: Performance of NFPackage.collectConstants: time 0.000112/0.2041, allocations: 64 kB / 487.9 MB, free: 13.37 MB / 366.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001492/0.2043, allocations: 67.94 kB / 487.9 MB, free: 13.3 MB / 366.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002393/0.2045, allocations: 203.3 kB / 488.1 MB, free: 13.1 MB / 366.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003285/0.2049, allocations: 345.8 kB / 488.5 MB, free: 12.76 MB / 366.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0008949/0.2058, allocations: 0.7473 MB / 489.2 MB, free: 12.01 MB / 366.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.295e-06/0.2058, allocations: 3.984 kB / 489.2 MB, free: 12.01 MB / 366.1 MB Notification: Performance of FrontEnd: time 1.814e-06/0.2058, allocations: 8 kB / 489.2 MB, free: 12 MB / 366.1 MB Notification: Performance of Transformations before backend: time 1.142e-05/0.2058, allocations: 0 / 489.2 MB, free: 12 MB / 366.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 110 * Number of variables: 110 Notification: Performance of Generate backend data structure: time 0.002459/0.2083, allocations: 1.152 MB / 490.4 MB, free: 10.8 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.054e-05/0.2083, allocations: 13.11 kB / 490.4 MB, free: 10.79 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002758/0.2086, allocations: 95.89 kB / 490.5 MB, free: 10.69 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000927/0.2096, allocations: 0.5584 MB / 491 MB, free: 10.09 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.775e-05/0.2096, allocations: 37.38 kB / 491.1 MB, free: 10.06 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001056/0.2097, allocations: 56.28 kB / 491.1 MB, free: 10 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001194/0.2109, allocations: 0.6186 MB / 491.7 MB, free: 9.332 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.345e-05/0.211, allocations: 7.938 kB / 491.8 MB, free: 9.324 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.6e-05/0.211, allocations: 20 kB / 491.8 MB, free: 9.305 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.62e-05/0.2111, allocations: 12 kB / 491.8 MB, free: 9.293 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00107/0.2121, allocations: 465.8 kB / 492.2 MB, free: 8.836 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003853/0.216, allocations: 2.659 MB / 494.9 MB, free: 6.078 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001152/0.2172, allocations: 0.542 MB / 495.4 MB, free: 5.512 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005824/0.2178, allocations: 258.5 kB / 495.7 MB, free: 5.25 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.431e-05/0.2178, allocations: 4 kB / 495.7 MB, free: 5.246 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.035e-05/0.2179, allocations: 38.56 kB / 495.7 MB, free: 5.199 MB / 366.1 MB Notification: Performance of pre-optimization done (n=43): time 2.865e-06/0.2179, allocations: 3.938 kB / 495.7 MB, free: 5.195 MB / 366.1 MB Notification: Performance of matching and sorting (n=44): time 0.002678/0.2206, allocations: 1.132 MB / 496.9 MB, free: 4.051 MB / 366.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001248/0.2207, allocations: 162.2 kB / 497 MB, free: 3.855 MB / 366.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009426/0.2217, allocations: 0.6606 MB / 497.7 MB, free: 3.184 MB / 366.1 MB Notification: Performance of collectPreVariables (initialization): time 4.364e-05/0.2217, allocations: 33.7 kB / 497.7 MB, free: 3.145 MB / 366.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.000321/0.222, allocations: 368 kB / 498.1 MB, free: 2.777 MB / 366.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001688/0.2222, allocations: 169.5 kB / 498.2 MB, free: 2.609 MB / 366.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002047/0.2224, allocations: 118.2 kB / 498.4 MB, free: 2.488 MB / 366.1 MB Notification: Performance of setup shared object (initialization): time 0.0001653/0.2226, allocations: 333.9 kB / 498.7 MB, free: 2.156 MB / 366.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006334/0.2232, allocations: 271.3 kB / 499 MB, free: 1.887 MB / 366.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007747/0.224, allocations: 437.5 kB / 499.4 MB, free: 1.391 MB / 366.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001343/0.2254, allocations: 0.6672 MB / 0.4883 GB, free: 0.6641 MB / 366.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.354e-06/0.2254, allocations: 0 / 0.4883 GB, free: 0.6641 MB / 366.1 MB Notification: Performance of matching and sorting (n=77) (initialization): time 0.001673/0.2271, allocations: 0.798 MB / 0.4891 GB, free: 15.86 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.631e-05/0.2271, allocations: 14.44 kB / 0.4891 GB, free: 15.85 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.201e-05/0.2271, allocations: 4 kB / 0.4891 GB, free: 15.85 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 3.19e-05/0.2272, allocations: 8 kB / 0.4891 GB, free: 15.84 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006696/0.2278, allocations: 151.8 kB / 0.4893 GB, free: 15.69 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.164e-05/0.2279, allocations: 15.94 kB / 0.4893 GB, free: 15.68 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005149/0.2284, allocations: 83.66 kB / 0.4894 GB, free: 15.59 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.69e-05/0.2285, allocations: 24 kB / 0.4894 GB, free: 15.57 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000791/0.2293, allocations: 413.5 kB / 0.4898 GB, free: 15.16 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007066/0.23, allocations: 424.2 kB / 0.4902 GB, free: 14.68 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001252/0.2312, allocations: 0.6532 MB / 0.4908 GB, free: 13.97 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.408e-06/0.2312, allocations: 4 kB / 0.4908 GB, free: 13.96 MB / 382.1 MB Notification: Performance of matching and sorting (n=77) (initialization_lambda0): time 0.00154/0.2328, allocations: 0.7685 MB / 0.4916 GB, free: 13.19 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.243e-05/0.2328, allocations: 8 kB / 0.4916 GB, free: 13.18 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.891e-06/0.2328, allocations: 4 kB / 0.4916 GB, free: 13.18 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.171e-05/0.2328, allocations: 8 kB / 0.4916 GB, free: 13.17 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005882/0.2334, allocations: 140.3 kB / 0.4917 GB, free: 13.04 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.42e-05/0.2335, allocations: 19.92 kB / 0.4918 GB, free: 13.02 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004973/0.234, allocations: 79.55 kB / 0.4918 GB, free: 12.94 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.299e-05/0.234, allocations: 20 kB / 0.4919 GB, free: 12.92 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 20 * Number of states: 0 () * Number of discrete variables: 4 (limPID.I.local_reset,pID.I.local_reset,limIntegrator.local_reset,integrator.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (77): * Single equations (assignments): 77 * 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 0.0002375/0.2343, allocations: 227.9 kB / 0.4921 GB, free: 12.69 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001644/0.2344, allocations: 75.06 kB / 0.4921 GB, free: 12.61 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002074/0.2347, allocations: 90.22 kB / 0.4922 GB, free: 12.52 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.382e-05/0.2347, allocations: 15.88 kB / 0.4922 GB, free: 12.51 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.167e-06/0.2347, allocations: 0 / 0.4922 GB, free: 12.51 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.817e-06/0.2347, allocations: 3.984 kB / 0.4922 GB, free: 12.5 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001404/0.2361, allocations: 0.8493 MB / 0.4931 GB, free: 11.6 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.815e-06/0.2361, allocations: 0 / 0.4931 GB, free: 11.6 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000623/0.2368, allocations: 111.8 kB / 0.4932 GB, free: 11.49 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 8.576e-06/0.2368, allocations: 4 kB / 0.4932 GB, free: 11.48 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.749e-05/0.2368, allocations: 15.98 kB / 0.4932 GB, free: 11.47 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.398e-06/0.2368, allocations: 4 kB / 0.4932 GB, free: 11.46 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.234e-06/0.2369, allocations: 0 / 0.4932 GB, free: 11.46 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002148/0.239, allocations: 1.137 MB / 0.4943 GB, free: 10.3 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002505/0.2393, allocations: 192.1 kB / 0.4945 GB, free: 10.09 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001096/0.2394, allocations: 19.98 kB / 0.4945 GB, free: 10.07 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005215/0.2399, allocations: 47.95 kB / 0.4946 GB, free: 10.03 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001331/0.2401, allocations: 35.94 kB / 0.4946 GB, free: 9.992 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.035e-05/0.2401, allocations: 16 kB / 0.4946 GB, free: 9.977 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0007509/0.2409, allocations: 463 kB / 0.4951 GB, free: 9.527 MB / 382.1 MB Notification: Performance of sort global known variables: time 2.11e-07/0.2409, allocations: 0 / 0.4951 GB, free: 9.527 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.0008268/0.2417, allocations: 188 kB / 0.4952 GB, free: 9.344 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 18 (limPID.I.y,limPID.D.x,transferFunction.x_scaled[1],stateSpace.x[1],stateSpace.x[2],lowpassButterworth.x1[1],lowpassButterworth.x2[1],criticalDamping.x[1],criticalDamping.x[2],integrator.y,limIntegrator.y,derivative.x,firstOrder.y,secondOrder.y,secondOrder.yd,pI.x,pID.I.y,pID.D.x) * 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 (44): * Single equations (assignments): 44 * 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 0.0002048/0.2419, allocations: 123 kB / 0.4954 GB, free: 9.215 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.002447/0.2444, allocations: 0.9949 MB / 0.4963 GB, free: 8.223 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 4.518e-06/0.2444, allocations: 0 / 0.4963 GB, free: 8.223 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0006564/0.245, allocations: 287.8 kB / 0.4966 GB, free: 7.941 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001081/0.2461, allocations: 189.8 kB / 0.4968 GB, free: 7.762 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003366/0.2495, allocations: 1.532 MB / 0.4983 GB, free: 6.191 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007288/0.2503, allocations: 0.9536 MB / 0.4992 GB, free: 5.211 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0005862/0.2509, allocations: 144.8 kB / 0.4993 GB, free: 5.066 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001808/0.2511, allocations: 43.44 kB / 0.4994 GB, free: 5.023 MB / 382.1 MB Notification: Performance of SimCode: time 9.02e-07/0.2511, allocations: 0 / 0.4994 GB, free: 5.023 MB / 382.1 MB Notification: Performance of Templates: time 0.2677/0.5188, allocations: 7.367 MB / 0.5066 GB, free: 39.52 MB / 382.1 MB make -j1 -f ModelicaTest_trunk_ModelicaTest.Blocks.Continuous.makefile (rm -f ModelicaTest_trunk_ModelicaTest.Blocks.Continuous.pipe ; mkfifo ModelicaTest_trunk_ModelicaTest.Blocks.Continuous.pipe ; head -c 1048576 < ModelicaTest_trunk_ModelicaTest.Blocks.Continuous.pipe >> ../files/ModelicaTest_trunk_ModelicaTest.Blocks.Continuous.sim & ./ModelicaTest_trunk_ModelicaTest.Blocks.Continuous -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_trunk_ModelicaTest.Blocks.Continuous.pipe 2>&1) diffSimulationResults("ModelicaTest_trunk_ModelicaTest.Blocks.Continuous_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Blocks/Continuous/Continuous.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_trunk_ModelicaTest.Blocks.Continuous.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches