Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40.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/ScalableTestSuite 2.2.0-master/package.mo", uses=false)
Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-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: "" <> buildModelFMU(ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40,fileNamePrefix="ScalableTestSuite_ScalableTestSuite_Thermal_HeatConduction_ScaledExperiments_OneDHeatTransferTI_FD_N_40",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40,fileNamePrefix="ScalableTestSuite_ScalableTestSuite_Thermal_HeatConduction_ScaledExperiments_OneDHeatTransferTI_FD_N_40",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 0.00123/0.00123, allocations: 111.9 kB / 17.06 MB, free: 6.004 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001175/0.001175, allocations: 198.9 kB / 18 MB, free: 5.082 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.257/1.257, allocations: 222.9 MB / 241.7 MB, free: 15.16 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/package.mo): time 0.8675/0.8675, allocations: 119.3 MB / 411.2 MB, free: 9.473 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001164/0.001164, allocations: 61.66 kB / 0.5705 GB, free: 40.02 MB / 462.3 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1432/0.1444, allocations: 80.71 MB / 0.6493 GB, free: 13.43 MB / 0.4983 GB
Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40): time 0.002397/0.1468, allocations: 1.309 MB / 0.6506 GB, free: 12.11 MB / 0.4983 GB
Notification: Performance of NFInst.instExpressions: time 0.0002148/0.147, allocations: 47.84 kB / 0.6507 GB, free: 12.06 MB / 0.4983 GB
Notification: Performance of NFInst.updateImplicitVariability: time 3.988e-05/0.1471, allocations: 0 / 0.6507 GB, free: 12.06 MB / 0.4983 GB
Notification: Performance of NFTyping.typeComponents: time 0.0001026/0.1472, allocations: 7.938 kB / 0.6507 GB, free: 12.05 MB / 0.4983 GB
Notification: Performance of NFTyping.typeBindings: time 9.786e-05/0.1473, allocations: 34.17 kB / 0.6507 GB, free: 12.02 MB / 0.4983 GB
Notification: Performance of NFTyping.typeClassSections: time 0.000144/0.1475, allocations: 11.98 kB / 0.6507 GB, free: 12.01 MB / 0.4983 GB
Notification: Performance of NFFlatten.flatten: time 0.0005767/0.1481, allocations: 0.6514 MB / 0.6514 GB, free: 11.36 MB / 0.4983 GB
Notification: Performance of NFFlatten.resolveConnections: time 5.518e-05/0.1481, allocations: 7.984 kB / 0.6514 GB, free: 11.35 MB / 0.4983 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0001901/0.1483, allocations: 219.8 kB / 0.6516 GB, free: 11.14 MB / 0.4983 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0004773/0.1488, allocations: 335.3 kB / 0.6519 GB, free: 10.81 MB / 0.4983 GB
Notification: Performance of NFPackage.collectConstants: time 6.874e-05/0.1489, allocations: 40 kB / 0.6519 GB, free: 10.77 MB / 0.4983 GB
Notification: Performance of NFFlatten.collectFunctions: time 7.592e-05/0.149, allocations: 39.94 kB / 0.652 GB, free: 10.73 MB / 0.4983 GB
Notification: Performance of NFScalarize.scalarize: time 0.0001834/0.1492, allocations: 231.5 kB / 0.6522 GB, free: 10.5 MB / 0.4983 GB
Notification: Performance of NFVerifyModel.verify: time 0.0002335/0.1494, allocations: 239.2 kB / 0.6524 GB, free: 10.27 MB / 0.4983 GB
Notification: Performance of NFConvertDAE.convert: time 0.0003508/0.1498, allocations: 410.5 kB / 0.6528 GB, free: 9.871 MB / 0.4983 GB
Notification: Performance of FrontEnd - DAE generated: time 3.186e-06/0.1498, allocations: 0 / 0.6528 GB, free: 9.871 MB / 0.4983 GB
Notification: Performance of FrontEnd: time 1.553e-06/0.1498, allocations: 0 / 0.6528 GB, free: 9.871 MB / 0.4983 GB
Notification: Performance of Transformations before backend: time 6.522e-06/0.1498, allocations: 0 / 0.6528 GB, free: 9.871 MB / 0.4983 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 79
 * Number of variables: 79
Notification: Performance of Generate backend data structure: time 0.004012/0.1538, allocations: 1.467 MB / 0.6542 GB, free: 8.352 MB / 0.4983 GB
Notification: Performance of prepare preOptimizeDAE: time 4.277e-05/0.1539, allocations: 8.031 kB / 0.6543 GB, free: 8.344 MB / 0.4983 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 8.964e-05/0.154, allocations: 70.72 kB / 0.6543 GB, free: 8.266 MB / 0.4983 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 8.641e-05/0.154, allocations: 40.56 kB / 0.6544 GB, free: 8.227 MB / 0.4983 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004324/0.1545, allocations: 268 kB / 0.6546 GB, free: 7.926 MB / 0.4983 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.706e-05/0.1545, allocations: 37.02 kB / 0.6546 GB, free: 7.891 MB / 0.4983 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001072/0.1546, allocations: 64.19 kB / 0.6547 GB, free: 7.828 MB / 0.4983 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007007/0.1553, allocations: 438.3 kB / 0.6551 GB, free: 7.391 MB / 0.4983 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.431e-05/0.1554, allocations: 3.938 kB / 0.6551 GB, free: 7.387 MB / 0.4983 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.332e-05/0.1554, allocations: 15.98 kB / 0.6551 GB, free: 7.371 MB / 0.4983 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.147e-06/0.1554, allocations: 8 kB / 0.6552 GB, free: 7.363 MB / 0.4983 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000408/0.1558, allocations: 254.4 kB / 0.6554 GB, free: 7.117 MB / 0.4983 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004997/0.1608, allocations: 3.486 MB / 0.6588 GB, free: 3.098 MB / 0.4983 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0135/0.1744, allocations: 2.066 MB / 0.6608 GB, free: 1.02 MB / 0.4983 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003827/0.1748, allocations: 184.8 kB / 0.661 GB, free: 0.8359 MB / 0.4983 GB
Notification: Performance of preOpt evalFunc (simulation): time 6.328e-05/0.1749, allocations: 11.94 kB / 0.661 GB, free: 0.8242 MB / 0.4983 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.815e-05/0.1749, allocations: 38.56 kB / 0.661 GB, free: 0.7773 MB / 0.4983 GB
Notification: Performance of pre-optimization done (n=39): time 2.064e-06/0.1749, allocations: 0 / 0.661 GB, free: 0.7773 MB / 0.4983 GB
Notification: Performance of matching and sorting (n=39): time 0.001142/0.176, allocations: 0.6023 MB / 0.6616 GB, free: 172 kB / 0.4983 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.864e-05/0.1761, allocations: 55.41 kB / 0.6617 GB, free: 104 kB / 0.4983 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001318/0.1762, allocations: 121.9 kB / 0.6618 GB, free: 15.97 MB / 0.5139 GB
Notification: Performance of collectPreVariables (initialization): time 4.43e-05/0.1763, allocations: 37.7 kB / 0.6618 GB, free: 15.93 MB / 0.5139 GB
Notification: Performance of collectInitialEqns (initialization): time 8.094e-05/0.1764, allocations: 144.8 kB / 0.662 GB, free: 15.78 MB / 0.5139 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001411/0.1765, allocations: 185.3 kB / 0.6622 GB, free: 15.6 MB / 0.5139 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002021/0.1767, allocations: 122.3 kB / 0.6623 GB, free: 15.47 MB / 0.5139 GB
Notification: Performance of setup shared object (initialization): time 0.00014/0.1769, allocations: 339.2 kB / 0.6626 GB, free: 15.13 MB / 0.5139 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003814/0.1773, allocations: 233.1 kB / 0.6628 GB, free: 14.91 MB / 0.5139 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003668/0.1776, allocations: 245.7 kB / 0.663 GB, free: 14.66 MB / 0.5139 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0007737/0.1784, allocations: 0.5196 MB / 0.6636 GB, free: 14.14 MB / 0.5139 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.256e-06/0.1784, allocations: 3.938 kB / 0.6636 GB, free: 14.14 MB / 0.5139 GB
Notification: Performance of matching and sorting (n=78) (initialization): time 0.0009801/0.1794, allocations: 0.6375 MB / 0.6642 GB, free: 13.49 MB / 0.5139 GB
Notification: Performance of prepare postOptimizeDAE: time 2.239e-05/0.1794, allocations: 11.11 kB / 0.6642 GB, free: 13.48 MB / 0.5139 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.773e-06/0.1795, allocations: 7.938 kB / 0.6642 GB, free: 13.48 MB / 0.5139 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.289e-05/0.1795, allocations: 4 kB / 0.6642 GB, free: 13.47 MB / 0.5139 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009343/0.1804, allocations: 159.8 kB / 0.6644 GB, free: 13.32 MB / 0.5139 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.76e-05/0.1805, allocations: 7.984 kB / 0.6644 GB, free: 13.31 MB / 0.5139 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006049/0.1811, allocations: 91.36 kB / 0.6645 GB, free: 13.22 MB / 0.5139 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.49e-05/0.1811, allocations: 20 kB / 0.6645 GB, free: 13.2 MB / 0.5139 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 (78):
 * Single equations (assignments): 78
 * 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 0.0001914/0.1813, allocations: 166.5 kB / 0.6646 GB, free: 13.03 MB / 0.5139 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 6.758e-05/0.1814, allocations: 19.75 kB / 0.6646 GB, free: 13.01 MB / 0.5139 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001651/0.1816, allocations: 73.62 kB / 0.6647 GB, free: 12.94 MB / 0.5139 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.731e-06/0.1816, allocations: 4 kB / 0.6647 GB, free: 12.93 MB / 0.5139 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.572e-06/0.1816, allocations: 0 / 0.6647 GB, free: 12.93 MB / 0.5139 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.054e-06/0.1816, allocations: 3.984 kB / 0.6647 GB, free: 12.93 MB / 0.5139 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005286/0.1821, allocations: 421.2 kB / 0.6651 GB, free: 12.47 MB / 0.5139 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.767e-06/0.1821, allocations: 3.938 kB / 0.6651 GB, free: 12.46 MB / 0.5139 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001012/0.1832, allocations: 119.8 kB / 0.6652 GB, free: 12.35 MB / 0.5139 GB
Notification: Performance of postOpt tearingSystem (simulation): time 7.013e-06/0.1832, allocations: 4 kB / 0.6652 GB, free: 12.34 MB / 0.5139 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.849e-05/0.1833, allocations: 27.97 kB / 0.6653 GB, free: 12.32 MB / 0.5139 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.454e-06/0.1833, allocations: 0 / 0.6653 GB, free: 12.32 MB / 0.5139 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.222e-06/0.1833, allocations: 0 / 0.6653 GB, free: 12.32 MB / 0.5139 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001107/0.1844, allocations: 0.7477 MB / 0.666 GB, free: 11.55 MB / 0.5139 GB
Notification: Performance of postOpt removeConstants (simulation): time 6.417e-05/0.1845, allocations: 100.8 kB / 0.6661 GB, free: 11.43 MB / 0.5139 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.698e-05/0.1845, allocations: 23.97 kB / 0.6661 GB, free: 11.41 MB / 0.5139 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006037/0.1851, allocations: 55.92 kB / 0.6662 GB, free: 11.36 MB / 0.5139 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 8.307e-05/0.1852, allocations: 23.97 kB / 0.6662 GB, free: 11.33 MB / 0.5139 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.747e-05/0.1853, allocations: 15.98 kB / 0.6662 GB, free: 11.32 MB / 0.5139 GB
Notification: Performance of sorting global known variables: time 5.102e-05/0.1853, allocations: 83.28 kB / 0.6663 GB, free: 11.23 MB / 0.5139 GB
Notification: Performance of sort global known variables: time 1.6e-07/0.1853, allocations: 4 kB / 0.6663 GB, free: 11.23 MB / 0.5139 GB
Notification: Performance of remove unused functions: time 0.0004315/0.1858, allocations: 171.7 kB / 0.6665 GB, free: 11.06 MB / 0.5139 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 39 (Ttilde[1],Ttilde[2],Ttilde[3],Ttilde[4],Ttilde[5],Ttilde[6],Ttilde[7],Ttilde[8],Ttilde[9],Ttilde[10],Ttilde[11],Ttilde[12],Ttilde[13],Ttilde[14],Ttilde[15],Ttilde[16],Ttilde[17],Ttilde[18],Ttilde[19],Ttilde[20],Ttilde[21],Ttilde[22],Ttilde[23],Ttilde[24],Ttilde[25],Ttilde[26],Ttilde[27],Ttilde[28],Ttilde[29],Ttilde[30],Ttilde[31],Ttilde[32],Ttilde[33],Ttilde[34],Ttilde[35],Ttilde[36],Ttilde[37],Ttilde[38],Ttilde[39])
 * 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 (39):
 * Single equations (assignments): 39
 * 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 0.001375/0.1872, allocations: 1.315 MB / 0.6677 GB, free: 9.723 MB / 0.5139 GB
Notification: Performance of simCode: created initialization part: time 0.0008328/0.188, allocations: 0.5154 MB / 0.6682 GB, free: 9.207 MB / 0.5139 GB
Notification: Performance of simCode: created event and clocks part: time 2.014e-06/0.188, allocations: 8 kB / 0.6683 GB, free: 9.199 MB / 0.5139 GB
Notification: Performance of simCode: created simulation system equations: time 0.0003286/0.1883, allocations: 227.6 kB / 0.6685 GB, free: 8.977 MB / 0.5139 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004725/0.1888, allocations: 79.92 kB / 0.6686 GB, free: 8.898 MB / 0.5139 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006981/0.1958, allocations: 6.26 MB / 0.6747 GB, free: 2.559 MB / 0.5139 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003649/0.1962, allocations: 0.813 MB / 0.6755 GB, free: 1.719 MB / 0.5139 GB
Notification: Performance of simCode: alias equations: time 0.0005585/0.1968, allocations: 194.8 kB / 0.6756 GB, free: 1.527 MB / 0.5139 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002593/0.1971, allocations: 107.4 kB / 0.6757 GB, free: 1.422 MB / 0.5139 GB
Notification: Performance of SimCode: time 9.62e-07/0.1971, allocations: 4 kB / 0.6758 GB, free: 1.418 MB / 0.5139 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02883/0.2259, allocations: 10.51 MB / 0.686 GB, free: 7.137 MB / 0.5295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 7.761/7.987, allocations: 14.8 kB / 0.686 GB, free: 7.125 MB / 0.5295 GB
(rm -f ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40.pipe ; mkfifo ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40.pipe ; head -c 1048576 < ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40.pipe >> ../files/ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40_res.mat --tempDir=temp_ScalableTestSuite_ScalableTestSuite_Thermal_HeatConduction_ScaledExperiments_OneDHeatTransferTI_FD_N_40_fmu --startTime=0 --stopTime=1500 --timeout=300 --tolerance=1e-06 ScalableTestSuite_ScalableTestSuite_Thermal_HeatConduction_ScaledExperiments_OneDHeatTransferTI_FD_N_40.fmu > ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40.pipe 2>&1)
diffSimulationResults("ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTI_FD_N_40.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001)
Reference file matches