Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter.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) 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(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter,tolerance=1e-06,outputFormat="mat",numberOfIntervals=30000,variableFilter="time|loadInertiaE.phi|loadInertiaE.w|loadInertiaM.phi|loadInertiaM.w|smrE.is.1.|smrE.is.2.|smrE.idq_rr.1.|smrE.idq_rr.2.|smrE.idq_sr.1.|smrE.idq_sr.2.|smrM.is.1.|smrM.is.2.|smrM.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smrM.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|smrM.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smrM.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|vfController.x",fileNamePrefix="Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter") translateModel(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter,tolerance=1e-06,outputFormat="mat",numberOfIntervals=30000,variableFilter="time|loadInertiaE.phi|loadInertiaE.w|loadInertiaM.phi|loadInertiaM.w|smrE.is.1.|smrE.is.2.|smrE.idq_rr.1.|smrE.idq_rr.2.|smrE.idq_sr.1.|smrE.idq_sr.2.|smrM.is.1.|smrM.is.2.|smrM.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smrM.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|smrM.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smrM.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|vfController.x",fileNamePrefix="Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009759/0.0009762, allocations: 93.92 kB / 16.32 MB, free: 5.602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00114/0.00114, allocations: 182.5 kB / 17.21 MB, free: 5.52 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.323/1.323, allocations: 223.3 MB / 241.2 MB, free: 14.59 MB / 206.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0002602/0.0002603, allocations: 10.42 kB / 300.8 MB, free: 6.207 MB / 238.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09035/0.09063, allocations: 50.41 MB / 351.3 MB, free: 3.785 MB / 286.1 MB Notification: Performance of NFInst.instantiate(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter): time 0.01886/0.1095, allocations: 17.9 MB / 369.2 MB, free: 1.816 MB / 302.1 MB Notification: Performance of NFInst.instExpressions: time 0.1721/0.2816, allocations: 5.539 MB / 374.7 MB, free: 10.37 MB / 302.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002413/0.2841, allocations: 119.9 kB / 374.8 MB, free: 10.37 MB / 302.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002473/0.2866, allocations: 0.9951 MB / 375.8 MB, free: 10.35 MB / 302.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004169/0.2908, allocations: 1.599 MB / 377.4 MB, free: 9.926 MB / 302.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002137/0.2929, allocations: 0.824 MB / 378.2 MB, free: 9.855 MB / 302.1 MB Notification: Performance of NFFlatten.flatten: time 0.007235/0.3001, allocations: 6.12 MB / 384.3 MB, free: 8.438 MB / 302.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005944/0.3061, allocations: 3.635 MB / 388 MB, free: 7.777 MB / 302.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004113/0.3102, allocations: 1.996 MB / 390 MB, free: 7.336 MB / 302.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004109/0.3144, allocations: 2.655 MB / 392.6 MB, free: 6.508 MB / 302.1 MB Notification: Performance of NFPackage.collectConstants: time 0.000794/0.3152, allocations: 325.2 kB / 393 MB, free: 6.504 MB / 302.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002212/0.3174, allocations: 0.5615 MB / 393.5 MB, free: 6.438 MB / 302.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001167/0.3186, allocations: 1.372 MB / 394.9 MB, free: 5.902 MB / 302.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001417/0.32, allocations: 1.128 MB / 396 MB, free: 5.406 MB / 302.1 MB Notification: Performance of NFConvertDAE.convert: time 0.006065/0.3261, allocations: 8.372 MB / 404.4 MB, free: 14.94 MB / 318.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.18e-06/0.3261, allocations: 4 kB / 404.4 MB, free: 14.93 MB / 318.1 MB Notification: Performance of FrontEnd: time 1.653e-06/0.3261, allocations: 4 kB / 404.4 MB, free: 14.93 MB / 318.1 MB Notification: Performance of Transformations before backend: time 0.0002337/0.3264, allocations: 0 / 404.4 MB, free: 14.93 MB / 318.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1347 * Number of variables: 1347 Notification: Performance of Generate backend data structure: time 0.01198/0.3383, allocations: 5.591 MB / 410 MB, free: 9.328 MB / 318.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.524e-05/0.3384, allocations: 12.03 kB / 410 MB, free: 9.316 MB / 318.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004548/0.3429, allocations: 1.011 MB / 411 MB, free: 8.301 MB / 318.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005846/0.3488, allocations: 3.347 MB / 414.4 MB, free: 4.949 MB / 318.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003363/0.3492, allocations: 400.9 kB / 414.7 MB, free: 4.559 MB / 318.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007829/0.3499, allocations: 0.4989 MB / 415.2 MB, free: 4.062 MB / 318.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01223/0.3622, allocations: 6.757 MB / 422 MB, free: 13.25 MB / 334.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001266/0.3623, allocations: 11.91 kB / 422 MB, free: 13.23 MB / 334.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007045/0.3631, allocations: 203 kB / 422.2 MB, free: 13.04 MB / 334.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002954/0.3634, allocations: 246.2 kB / 422.5 MB, free: 12.8 MB / 334.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01064/0.374, allocations: 5.751 MB / 428.2 MB, free: 7.035 MB / 334.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03486/0.4089, allocations: 21.18 MB / 449.4 MB, free: 1.539 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.008016/0.417, allocations: 8.539 MB / 457.9 MB, free: 8.055 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.003275/0.4203, allocations: 2.142 MB / 460.1 MB, free: 5.91 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.009603/0.4299, allocations: 5.955 MB / 466 MB, free: 15.89 MB / 382.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.97e-05/0.43, allocations: 52.56 kB / 466.1 MB, free: 15.84 MB / 382.1 MB Notification: Performance of pre-optimization done (n=205): time 3.196e-06/0.43, allocations: 0 / 466.1 MB, free: 15.84 MB / 382.1 MB Notification: Performance of matching and sorting (n=222): time 0.02041/0.4504, allocations: 10.51 MB / 476.6 MB, free: 5.082 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.456e-05/0.4505, allocations: 77.41 kB / 476.7 MB, free: 4.992 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004272/0.4547, allocations: 2.881 MB / 479.5 MB, free: 2.102 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002056/0.455, allocations: 64.11 kB / 479.6 MB, free: 2.035 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.001808/0.4568, allocations: 2.351 MB / 482 MB, free: 15.66 MB / 398.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0006894/0.4575, allocations: 0.776 MB / 482.7 MB, free: 14.89 MB / 398.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001475/0.4576, allocations: 56 kB / 482.8 MB, free: 14.84 MB / 398.1 MB Notification: Performance of setup shared object (initialization): time 0.0002044/0.4579, allocations: 431.7 kB / 483.2 MB, free: 14.41 MB / 398.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002062/0.4599, allocations: 1.271 MB / 484.5 MB, free: 13.14 MB / 398.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002734/0.4627, allocations: 2.183 MB / 486.7 MB, free: 10.56 MB / 398.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002469/0.4652, allocations: 1.642 MB / 488.3 MB, free: 8.914 MB / 398.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.24e-05/0.4652, allocations: 8 kB / 488.3 MB, free: 8.906 MB / 398.1 MB Notification: Performance of matching and sorting (n=373) (initialization): time 0.007215/0.4724, allocations: 4.466 MB / 492.8 MB, free: 4.371 MB / 398.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.55e-05/0.4725, allocations: 16 kB / 492.8 MB, free: 4.355 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.542e-05/0.4725, allocations: 28 kB / 492.8 MB, free: 4.328 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001204/0.4737, allocations: 0.5172 MB / 493.3 MB, free: 3.789 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002538/0.4763, allocations: 0.6903 MB / 494 MB, free: 3.098 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008727/0.485, allocations: 9.331 MB / 0.4916 GB, free: 9.105 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002618/0.4877, allocations: 179.7 kB / 0.4917 GB, free: 8.93 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002146/0.4879, allocations: 128 kB / 0.4918 GB, free: 8.805 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 129 * 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 (348): * Single equations (assignments): 341 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 2 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 2 {(2,100.0%),(2,100.0%)} * Non-linear Jacobian: 0 * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 5 {(3,100.0%) 11,(1,100.0%) 3,(1,100.0%) 1,(1,100.0%) 1,(1,100.0%) 5} * Non-linear torn systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.003198/0.4911, allocations: 1.52 MB / 0.4933 GB, free: 7.273 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005331/0.4916, allocations: 312.2 kB / 0.4936 GB, free: 6.965 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006666/0.4983, allocations: 3.902 MB / 0.4974 GB, free: 2.965 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.285e-05/0.4984, allocations: 20 kB / 0.4975 GB, free: 2.945 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.647e-05/0.4984, allocations: 11.5 kB / 0.4975 GB, free: 2.938 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.387e-05/0.4984, allocations: 11.95 kB / 0.4975 GB, free: 2.926 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01412/0.5125, allocations: 8.49 MB / 0.5058 GB, free: 10.29 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.197e-05/0.5126, allocations: 11.97 kB / 0.5058 GB, free: 10.28 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001611/0.5142, allocations: 383.5 kB / 0.5062 GB, free: 9.906 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001855/0.5161, allocations: 0.7169 MB / 0.5069 GB, free: 9.164 MB / 430.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001605/0.5162, allocations: 63.97 kB / 0.5069 GB, free: 9.102 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01429/0.5305, allocations: 15.22 MB / 0.5218 GB, free: 8.836 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.476e-06/0.5306, allocations: 8.062 kB / 0.5218 GB, free: 8.828 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009321/0.5399, allocations: 5.577 MB / 0.5272 GB, free: 3.105 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001632/0.5416, allocations: 0.6609 MB / 0.5279 GB, free: 2.422 MB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004259/0.542, allocations: 59.98 kB / 0.5279 GB, free: 2.363 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001392/0.5434, allocations: 143.8 kB / 0.5281 GB, free: 2.223 MB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003738/0.5438, allocations: 166 kB / 0.5282 GB, free: 2.062 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001374/0.544, allocations: 63.98 kB / 0.5283 GB, free: 2 MB / 446.1 MB Notification: Performance of sorting global known variables: time 0.003009/0.547, allocations: 1.944 MB / 0.5302 GB, free: 60 kB / 446.1 MB Notification: Performance of sort global known variables: time 1.6e-07/0.547, allocations: 3.938 kB / 0.5302 GB, free: 56 kB / 446.1 MB Notification: Performance of remove unused functions: time 0.2105/0.7575, allocations: 0.927 MB / 0.5311 GB, free: 141.3 MB / 446.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * Number of states: 13 (vfController.x,smrM.inertiaRotor.w,smrM.stator.core.Phi.re,smrM.stator.core.Phi.im,smrM.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter[2].Phi.re,smrM.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter[2].Phi.im,smrE.inertiaRotor.w,smrE.idq_sr[1],smrE.idq_sr[2],smrE.idq_dr[1],smrE.idq_dr[2],loadInertiaM.phi,loadInertiaE.phi) * 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 (185): * Single equations (assignments): 177 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 8 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 8 {(1,100.0%) 5,(3,100.0%) 11,(1,100.0%) 3,(1,100.0%) 1,(2,100.0%) 1,(1,100.0%) 1,(1,100.0%) 8,(2,100.0%) 12} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0007721/0.7583, allocations: 220.8 kB / 0.5313 GB, free: 141.2 MB / 446.1 MB Notification: Performance of simCode: created initialization part: time 0.00861/0.7669, allocations: 3.974 MB / 0.5352 GB, free: 140.4 MB / 446.1 MB Notification: Performance of simCode: created event and clocks part: time 7.955e-06/0.7669, allocations: 4.938 kB / 0.5352 GB, free: 140.4 MB / 446.1 MB Notification: Performance of simCode: created simulation system equations: time 0.004164/0.7711, allocations: 2.669 MB / 0.5378 GB, free: 139.4 MB / 446.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004288/0.7754, allocations: 0.8149 MB / 0.5386 GB, free: 139.4 MB / 446.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0178/0.7932, allocations: 11.39 MB / 0.5497 GB, free: 133 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003479/0.7968, allocations: 3.302 MB / 0.5529 GB, free: 131.7 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.00282/0.7996, allocations: 0.7603 MB / 0.5537 GB, free: 131.6 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007161/0.8003, allocations: 221.1 kB / 0.5539 GB, free: 131.6 MB / 446.1 MB Notification: Performance of SimCode: time 1.813e-06/0.8003, allocations: 0 / 0.5539 GB, free: 131.6 MB / 446.1 MB Notification: Performance of Templates: time 0.06414/0.8645, allocations: 43.74 MB / 0.5966 GB, free: 97.15 MB / 446.1 MB make -j1 -f Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter.makefile (rm -f Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter.pipe ; mkfifo Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter.pipe >> ../files/Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter.sim & ./Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter.pipe 2>&1) diffSimulationResults("Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Magnetic/FundamentalWave/Examples/BasicMachines/SynchronousMachines/SMR_Inverter/SMR_Inverter.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_Inverter.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches