Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160.conf.json
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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.0.0-master/package.mo", uses=false)
Using package ScalableTestSuite with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.0.0-master/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)
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)
Running command: translateModel(ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="T.160.|T.1.|T.2.|T.3.|der.T.1..|der.T.2..|der.T.3..|time|time",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160")
translateModel(ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="T.160.|T.1.|T.2.|T.3.|der.T.1..|der.T.2..|der.T.3..|time|time",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001011/0.001011, allocations: 184.9 kB / 17.27 MB, free: 4.504 MB / 13.93 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.152/1.152, allocations: 222.9 MB / 240.9 MB, free: 10.97 MB / 202.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009944/0.0009944, allocations: 108 kB / 291.2 MB, free: 10.94 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.0.0-master/package.mo): time 0.6361/0.6361, allocations: 119.3 MB / 460.6 MB, free: 9.578 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 0.0009044/0.0009044, allocations: 59.05 kB / 0.5391 GB, free: 43.23 MB / 394.8 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1036/0.1045, allocations: 80.7 MB / 0.6179 GB, free: 12.71 MB / 442.8 MB
Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160): time 0.00219/0.1067, allocations: 1.367 MB / 0.6193 GB, free: 11.33 MB / 442.8 MB
Notification: Performance of NFInst.instExpressions: time 0.00016/0.1069, allocations: 47.86 kB / 0.6193 GB, free: 11.28 MB / 442.8 MB
Notification: Performance of NFInst.updateImplicitVariability: time 2.599e-05/0.1069, allocations: 0 / 0.6193 GB, free: 11.28 MB / 442.8 MB
Notification: Performance of NFTyping.typeComponents: time 6.783e-05/0.107, allocations: 3.938 kB / 0.6193 GB, free: 11.28 MB / 442.8 MB
Notification: Performance of NFTyping.typeBindings: time 7.555e-05/0.1071, allocations: 15.91 kB / 0.6193 GB, free: 11.26 MB / 442.8 MB
Notification: Performance of NFTyping.typeClassSections: time 0.0001058/0.1072, allocations: 11.98 kB / 0.6193 GB, free: 11.25 MB / 442.8 MB
Notification: Performance of NFFlatten.flatten: time 0.001513/0.1087, allocations: 2.107 MB / 0.6214 GB, free: 9.141 MB / 442.8 MB
Notification: Performance of NFFlatten.resolveConnections: time 5.075e-05/0.1088, allocations: 8 kB / 0.6214 GB, free: 9.133 MB / 442.8 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0007676/0.1096, allocations: 0.7297 MB / 0.6221 GB, free: 8.402 MB / 442.8 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.001506/0.1111, allocations: 1.193 MB / 0.6233 GB, free: 7.207 MB / 442.8 MB
Notification: Performance of NFPackage.collectConstants: time 0.0003452/0.1114, allocations: 128 kB / 0.6234 GB, free: 7.082 MB / 442.8 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0002874/0.1117, allocations: 132 kB / 0.6235 GB, free: 6.953 MB / 442.8 MB
Notification: Performance of NFScalarize.scalarize: time 0.0004704/0.1122, allocations: 0.6196 MB / 0.6241 GB, free: 6.332 MB / 442.8 MB
Notification: Performance of NFVerifyModel.verify: time 0.0008084/0.113, allocations: 0.6388 MB / 0.6248 GB, free: 5.691 MB / 442.8 MB
Notification: Performance of NFConvertDAE.convert: time 0.0009564/0.114, allocations: 1.181 MB / 0.6259 GB, free: 4.508 MB / 442.8 MB
Notification: Performance of FrontEnd - DAE generated: time 3.336e-06/0.114, allocations: 0 / 0.6259 GB, free: 4.508 MB / 442.8 MB
Notification: Performance of FrontEnd: time 7.71e-07/0.114, allocations: 0 / 0.6259 GB, free: 4.508 MB / 442.8 MB
Notification: Performance of Transformations before backend: time 1.728e-05/0.114, allocations: 4 kB / 0.6259 GB, free: 4.504 MB / 442.8 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 160
 * Number of variables: 160
Notification: Performance of Generate backend data structure: time 0.01536/0.1294, allocations: 4.597 MB / 0.6304 GB, free: 15.84 MB / 458.8 MB
Notification: Performance of prepare preOptimizeDAE: time 3.747e-05/0.1294, allocations: 12.03 kB / 0.6304 GB, free: 15.83 MB / 458.8 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002508/0.1297, allocations: 80.38 kB / 0.6305 GB, free: 15.75 MB / 458.8 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00109/0.1308, allocations: 443.3 kB / 0.6309 GB, free: 15.28 MB / 458.8 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.527e-05/0.1309, allocations: 85.69 kB / 0.631 GB, free: 15.2 MB / 458.8 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003608/0.1312, allocations: 199.8 kB / 0.6312 GB, free: 15 MB / 458.8 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.002065/0.1333, allocations: 1.076 MB / 0.6322 GB, free: 13.92 MB / 458.8 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.951e-05/0.1333, allocations: 4.188 kB / 0.6322 GB, free: 13.91 MB / 458.8 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001484/0.1335, allocations: 31.92 kB / 0.6323 GB, free: 13.88 MB / 458.8 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.792e-05/0.1335, allocations: 16 kB / 0.6323 GB, free: 13.87 MB / 458.8 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001362/0.1349, allocations: 0.6453 MB / 0.6329 GB, free: 13.22 MB / 458.8 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003494/0.1384, allocations: 1.678 MB / 0.6345 GB, free: 11.5 MB / 458.8 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.05866/0.197, allocations: 9.108 MB / 0.6434 GB, free: 2.367 MB / 458.8 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001303/0.1984, allocations: 0.7464 MB / 0.6442 GB, free: 1.621 MB / 458.8 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002469/0.1986, allocations: 21.25 kB / 0.6442 GB, free: 1.602 MB / 458.8 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.088e-05/0.1987, allocations: 51.81 kB / 0.6442 GB, free: 1.539 MB / 458.8 MB
Notification: Performance of pre-optimization done (n=160): time 2.875e-06/0.1987, allocations: 4 kB / 0.6442 GB, free: 1.535 MB / 458.8 MB
Notification: Performance of matching and sorting (n=160): time 0.004121/0.2028, allocations: 2.374 MB / 0.6466 GB, free: 15.16 MB / 474.8 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.862e-05/0.2029, allocations: 72.7 kB / 0.6466 GB, free: 15.07 MB / 474.8 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 9.924e-05/0.203, allocations: 153.8 kB / 0.6468 GB, free: 14.91 MB / 474.8 MB
Notification: Performance of collectPreVariables (initialization): time 0.0001315/0.2031, allocations: 73.7 kB / 0.6469 GB, free: 14.84 MB / 474.8 MB
Notification: Performance of collectInitialEqns (initialization): time 6.321e-05/0.2032, allocations: 119.9 kB / 0.647 GB, free: 14.71 MB / 474.8 MB
Notification: Performance of collectInitialBindings (initialization): time 0.000511/0.2037, allocations: 0.7162 MB / 0.6477 GB, free: 13.99 MB / 474.8 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006629/0.2044, allocations: 465.2 kB / 0.6481 GB, free: 13.53 MB / 474.8 MB
Notification: Performance of setup shared object (initialization): time 9.199e-05/0.2045, allocations: 314 kB / 0.6484 GB, free: 13.21 MB / 474.8 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001535/0.206, allocations: 0.9378 MB / 0.6493 GB, free: 12.27 MB / 474.8 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001535/0.2076, allocations: 0.9824 MB / 0.6503 GB, free: 11.29 MB / 474.8 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003104/0.2107, allocations: 2.1 MB / 0.6523 GB, free: 9.156 MB / 474.8 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.268e-06/0.2107, allocations: 0 / 0.6523 GB, free: 9.156 MB / 474.8 MB
Notification: Performance of matching and sorting (n=319) (initialization): time 0.003804/0.2145, allocations: 2.523 MB / 0.6548 GB, free: 6.594 MB / 474.8 MB
Notification: Performance of prepare postOptimizeDAE: time 1.745e-05/0.2145, allocations: 4 kB / 0.6548 GB, free: 6.59 MB / 474.8 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.077e-05/0.2145, allocations: 3.984 kB / 0.6548 GB, free: 6.586 MB / 474.8 MB
Notification: Performance of postOpt tearingSystem (initialization): time 2.022e-05/0.2146, allocations: 12 kB / 0.6548 GB, free: 6.574 MB / 474.8 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003544/0.2181, allocations: 0.6553 MB / 0.6555 GB, free: 5.918 MB / 474.8 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.535e-05/0.2182, allocations: 15.98 kB / 0.6555 GB, free: 5.902 MB / 474.8 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002347/0.2205, allocations: 345.9 kB / 0.6558 GB, free: 5.562 MB / 474.8 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001757/0.2207, allocations: 75.94 kB / 0.6559 GB, free: 5.488 MB / 474.8 MB
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 (319):
 * Single equations (assignments): 319
 * 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 0.0003725/0.2211, allocations: 285.2 kB / 0.6561 GB, free: 5.199 MB / 474.8 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000186/0.2213, allocations: 67.28 kB / 0.6562 GB, free: 5.133 MB / 474.8 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009296/0.2222, allocations: 278.1 kB / 0.6565 GB, free: 4.859 MB / 474.8 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.245e-05/0.2222, allocations: 16 kB / 0.6565 GB, free: 4.844 MB / 474.8 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 8.296e-06/0.2222, allocations: 0 / 0.6565 GB, free: 4.844 MB / 474.8 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.172e-05/0.2222, allocations: 7.969 kB / 0.6565 GB, free: 4.836 MB / 474.8 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005544/0.2278, allocations: 3.125 MB / 0.6596 GB, free: 1.645 MB / 474.8 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.697e-06/0.2278, allocations: 0 / 0.6596 GB, free: 1.645 MB / 474.8 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004028/0.2318, allocations: 491.3 kB / 0.66 GB, free: 1.164 MB / 474.8 MB
Notification: Performance of postOpt tearingSystem (simulation): time 1.45e-05/0.2319, allocations: 4 kB / 0.66 GB, free: 1.16 MB / 474.8 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002261/0.2321, allocations: 103.9 kB / 0.6601 GB, free: 1.059 MB / 474.8 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.095e-06/0.2321, allocations: 8 kB / 0.6601 GB, free: 1.051 MB / 474.8 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.152e-06/0.2321, allocations: 4 kB / 0.6601 GB, free: 1.047 MB / 474.8 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03851/0.2706, allocations: 16.58 MB / 0.6763 GB, free: 296 kB / 490.8 MB
Notification: Performance of postOpt removeConstants (simulation): time 9.216e-05/0.2708, allocations: 152.1 kB / 0.6765 GB, free: 124 kB / 490.8 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002731/0.271, allocations: 87.91 kB / 0.6766 GB, free: 36 kB / 490.8 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002381/0.2734, allocations: 219.7 kB / 0.6768 GB, free: 15.82 MB / 0.4949 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003123/0.2737, allocations: 97.16 kB / 0.6769 GB, free: 15.73 MB / 0.4949 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001525/0.2739, allocations: 47.97 kB / 0.6769 GB, free: 15.68 MB / 0.4949 GB
Notification: Performance of sorting global known variables: time 3.926e-05/0.274, allocations: 87.22 kB / 0.677 GB, free: 15.59 MB / 0.4949 GB
Notification: Performance of sort global known variables: time 1e-07/0.274, allocations: 0 / 0.677 GB, free: 15.59 MB / 0.4949 GB
Notification: Performance of remove unused functions: time 0.00128/0.2752, allocations: 0.789 MB / 0.6778 GB, free: 14.8 MB / 0.4949 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 2
 * Number of states: 159 (T[1],T[2],T[3],T[4],T[5],T[6],T[7],T[8],T[9],T[10],T[11],T[12],T[13],T[14],T[15],T[16],T[17],T[18],T[19],T[20],T[21],T[22],T[23],T[24],T[25],T[26],T[27],T[28],T[29],T[30],T[31],T[32],T[33],T[34],T[35],T[36],T[37],T[38],T[39],T[40],T[41],T[42],T[43],T[44],T[45],T[46],T[47],T[48],T[49],T[50],T[51],T[52],T[53],T[54],T[55],T[56],T[57],T[58],T[59],T[60],T[61],T[62],T[63],T[64],T[65],T[66],T[67],T[68],T[69],T[70],T[71],T[72],T[73],T[74],T[75],T[76],T[77],T[78],T[79],T[80],T[81],T[82],T[83],T[84],T[85],T[86],T[87],T[88],T[89],T[90],T[91],T[92],T[93],T[94],T[95],T[96],T[97],T[98],T[99],T[100],T[101],T[102],T[103],T[104],T[105],T[106],T[107],T[108],T[109],T[110],T[111],T[112],T[113],T[114],T[115],T[116],T[117],T[118],T[119],T[120],T[121],T[122],T[123],T[124],T[125],T[126],T[127],T[128],T[129],T[130],T[131],T[132],T[133],T[134],T[135],T[136],T[137],T[138],T[139],T[140],T[141],T[142],T[143],T[144],T[145],T[146],T[147],T[148],T[149],T[150],T[151],T[152],T[153],T[154],T[155],T[156],T[157],T[158],T[159])
 * 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 (160):
 * Single equations (assignments): 160
 * 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 0.0003329/0.2756, allocations: 235.2 kB / 0.678 GB, free: 14.57 MB / 0.4949 GB
Notification: Performance of simCode: created initialization part: time 0.003266/0.2789, allocations: 2.095 MB / 0.68 GB, free: 12.47 MB / 0.4949 GB
Notification: Performance of simCode: created event and clocks part: time 1.954e-06/0.2789, allocations: 0 / 0.68 GB, free: 12.47 MB / 0.4949 GB
Notification: Performance of simCode: created simulation system equations: time 0.001399/0.2803, allocations: 0.8973 MB / 0.6809 GB, free: 11.57 MB / 0.4949 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001126/0.2814, allocations: 328.1 kB / 0.6812 GB, free: 11.25 MB / 0.4949 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3499/0.6314, allocations: 11.45 MB / 0.6924 GB, free: 73.3 MB / 0.495 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005093/0.6319, allocations: 1.107 MB / 0.6935 GB, free: 72.59 MB / 0.495 GB
Notification: Performance of simCode: alias equations: time 0.00314/0.635, allocations: 0.8835 MB / 0.6943 GB, free: 72.57 MB / 0.495 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001042/0.6361, allocations: 107.7 kB / 0.6944 GB, free: 72.56 MB / 0.495 GB
Notification: Performance of SimCode: time 7.22e-07/0.6361, allocations: 0 / 0.6944 GB, free: 72.56 MB / 0.495 GB
Notification: Performance of Templates: time 0.03807/0.6742, allocations: 35.49 MB / 0.7291 GB, free: 55.16 MB / 0.495 GB
make -j1 -f ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160.makefile
(rm -f ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160.pipe ; mkfifo ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160.pipe ; head -c 1048576 < ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160.pipe >> ../files/ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160.sim & ./ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160  -abortSlowSimulation -alarm=300  -emit_protected -lv LOG_STATS > ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160.pipe 2>&1)
diffSimulationResults("ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160_res.mat","../files/ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_160.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001)
Reference file matches