Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM.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.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM,tolerance=1e-06,outputFormat="mat",numberOfIntervals=50000,variableFilter="time|armatureInverter.iDCFilter.y|armatureInverter.iMotFilter.y|armatureInverter.idealDcDc.deadTime.y|armatureInverter.idealDcDc.powerController.y|armatureInverter.vDCFilter.y|armatureInverter.vMotFilter.y|currentController.integrator.y|dcpm.la.i|loadInertia.phi|loadInertia.w|speedController.integrator.y",fileNamePrefix="Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM") translateModel(Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM,tolerance=1e-06,outputFormat="mat",numberOfIntervals=50000,variableFilter="time|armatureInverter.iDCFilter.y|armatureInverter.iMotFilter.y|armatureInverter.idealDcDc.deadTime.y|armatureInverter.idealDcDc.powerController.y|armatureInverter.vDCFilter.y|armatureInverter.vMotFilter.y|currentController.integrator.y|dcpm.la.i|loadInertia.phi|loadInertia.w|speedController.integrator.y",fileNamePrefix="Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.000805/0.0008051, allocations: 90.72 kB / 16.65 MB, free: 6.535 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00078/0.00078, allocations: 177 kB / 17.56 MB, free: 6.18 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.353/1.353, allocations: 223.3 MB / 241.6 MB, free: 14.47 MB / 206.1 MB Notification: Performance of FrontEnd - loaded program: time 0.000257/0.0002572, allocations: 12.08 kB / 301.4 MB, free: 5.895 MB / 238.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.08858/0.08886, allocations: 50.41 MB / 351.8 MB, free: 3.473 MB / 286.1 MB Notification: Performance of NFInst.instantiate(Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM): time 0.01403/0.1029, allocations: 14.24 MB / 366.1 MB, free: 5.152 MB / 302.1 MB Notification: Performance of NFInst.instExpressions: time 0.1921/0.295, allocations: 5.426 MB / 371.5 MB, free: 10.32 MB / 302.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002924/0.298, allocations: 69.84 kB / 371.6 MB, free: 10.32 MB / 302.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00287/0.3009, allocations: 0.8399 MB / 372.4 MB, free: 10.32 MB / 302.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001879/0.3028, allocations: 0.5189 MB / 372.9 MB, free: 10.32 MB / 302.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001305/0.3041, allocations: 0.6624 MB / 373.6 MB, free: 10.31 MB / 302.1 MB Notification: Performance of NFFlatten.flatten: time 0.003997/0.3081, allocations: 2.56 MB / 376.2 MB, free: 10.3 MB / 302.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001533/0.3097, allocations: 1.134 MB / 377.3 MB, free: 10.04 MB / 302.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001529/0.3112, allocations: 0.8265 MB / 378.1 MB, free: 9.871 MB / 302.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001127/0.3123, allocations: 0.869 MB / 379 MB, free: 9.605 MB / 302.1 MB Notification: Performance of NFPackage.collectConstants: time 0.000199/0.3125, allocations: 97.72 kB / 379.1 MB, free: 9.605 MB / 302.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0002669/0.3128, allocations: 97.91 kB / 379.2 MB, free: 9.605 MB / 302.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002914/0.3131, allocations: 350.9 kB / 379.5 MB, free: 9.516 MB / 302.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0009216/0.314, allocations: 0.9871 MB / 380.5 MB, free: 9.133 MB / 302.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002904/0.317, allocations: 2.9 MB / 383.4 MB, free: 8.414 MB / 302.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.34e-06/0.317, allocations: 0.9688 kB / 383.4 MB, free: 8.414 MB / 302.1 MB Notification: Performance of FrontEnd: time 1.914e-06/0.317, allocations: 0 / 383.4 MB, free: 8.414 MB / 302.1 MB Notification: Performance of Transformations before backend: time 6.8e-05/0.3171, allocations: 0 / 383.4 MB, free: 8.414 MB / 302.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 473 * Number of variables: 473 Notification: Performance of Generate backend data structure: time 0.004293/0.3214, allocations: 2.107 MB / 385.5 MB, free: 6.941 MB / 302.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.537e-05/0.3214, allocations: 12.64 kB / 385.5 MB, free: 6.938 MB / 302.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004051/0.3218, allocations: 249.2 kB / 385.8 MB, free: 6.816 MB / 302.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001664/0.3235, allocations: 1.207 MB / 387 MB, free: 5.867 MB / 302.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002662/0.3238, allocations: 273.4 kB / 387.2 MB, free: 5.684 MB / 302.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002817/0.3241, allocations: 191.2 kB / 387.4 MB, free: 5.617 MB / 302.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003656/0.3277, allocations: 1.956 MB / 389.4 MB, free: 4.434 MB / 302.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.522e-05/0.3278, allocations: 10.03 kB / 389.4 MB, free: 4.426 MB / 302.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000147/0.328, allocations: 76.94 kB / 389.5 MB, free: 4.367 MB / 302.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.816e-05/0.328, allocations: 45.72 kB / 389.5 MB, free: 4.367 MB / 302.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003728/0.3317, allocations: 1.636 MB / 391.2 MB, free: 3.613 MB / 302.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.009845/0.3416, allocations: 7.284 MB / 398.4 MB, free: 13.74 MB / 318.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002775/0.3444, allocations: 1.261 MB / 399.7 MB, free: 12.91 MB / 318.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0011/0.3455, allocations: 485 kB / 400.2 MB, free: 12.7 MB / 318.1 MB Notification: Performance of preOpt evalFunc (simulation): time 6.482e-05/0.3456, allocations: 16.83 kB / 400.2 MB, free: 12.69 MB / 318.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.109e-05/0.3457, allocations: 53.48 kB / 400.2 MB, free: 12.64 MB / 318.1 MB Notification: Performance of pre-optimization done (n=83): time 3.246e-06/0.3457, allocations: 0 / 400.2 MB, free: 12.64 MB / 318.1 MB Notification: Performance of matching and sorting (n=110): time 0.03572/0.3814, allocations: 8.807 MB / 409 MB, free: 5.25 MB / 318.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.789e-05/0.3815, allocations: 64.41 kB / 409.1 MB, free: 5.176 MB / 318.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001846/0.3833, allocations: 1.232 MB / 410.3 MB, free: 3.934 MB / 318.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001061/0.3835, allocations: 45.7 kB / 410.4 MB, free: 3.883 MB / 318.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0007305/0.3842, allocations: 0.993 MB / 411.4 MB, free: 2.883 MB / 318.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003641/0.3846, allocations: 394.8 kB / 411.8 MB, free: 2.5 MB / 318.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001868/0.3848, allocations: 125.6 kB / 411.9 MB, free: 2.371 MB / 318.1 MB Notification: Performance of setup shared object (initialization): time 0.0001103/0.3849, allocations: 309.1 kB / 412.2 MB, free: 2.066 MB / 318.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002128/0.387, allocations: 0.7807 MB / 413 MB, free: 1.285 MB / 318.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002408/0.3894, allocations: 1.238 MB / 414.2 MB, free: 15.84 MB / 334.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.004259/0.3937, allocations: 1.908 MB / 416.1 MB, free: 13.73 MB / 334.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.596e-06/0.3937, allocations: 4 kB / 416.1 MB, free: 13.73 MB / 334.1 MB Notification: Performance of matching and sorting (n=197) (initialization): time 0.005279/0.399, allocations: 2.243 MB / 418.4 MB, free: 11.46 MB / 334.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0003713/0.3994, allocations: 0.5155 MB / 418.9 MB, free: 10.74 MB / 334.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.658e-05/0.3994, allocations: 16 kB / 418.9 MB, free: 10.72 MB / 334.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001668/0.3996, allocations: 40.84 kB / 418.9 MB, free: 10.68 MB / 334.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001912/0.4015, allocations: 447.2 kB / 419.4 MB, free: 10.24 MB / 334.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001106/0.4026, allocations: 1.292 MB / 420.7 MB, free: 8.812 MB / 334.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001922/0.4046, allocations: 167.9 kB / 420.8 MB, free: 8.648 MB / 334.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001559/0.4048, allocations: 71.98 kB / 420.9 MB, free: 8.578 MB / 334.1 MB Notification: Performance of prepare postOptimizeDAE: time 9.788e-06/0.4048, allocations: 4 kB / 420.9 MB, free: 8.574 MB / 334.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.004714/0.4095, allocations: 1.966 MB / 422.9 MB, free: 6.586 MB / 334.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.37e-05/0.4095, allocations: 12 kB / 422.9 MB, free: 6.574 MB / 334.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001196/0.4097, allocations: 44.84 kB / 422.9 MB, free: 6.527 MB / 334.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001805/0.4115, allocations: 423.8 kB / 423.3 MB, free: 6.113 MB / 334.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001259/0.4128, allocations: 1.284 MB / 424.6 MB, free: 4.699 MB / 334.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001671/0.4144, allocations: 136 kB / 424.8 MB, free: 4.566 MB / 334.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001555/0.4146, allocations: 71.98 kB / 424.8 MB, free: 4.496 MB / 334.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 66 * Number of states: 0 () * Number of discrete variables: 5 (kinematicPTP.noWphase,kinematicPTP.moving[1],speedController.integrator.local_reset,currentController.integrator.local_reset,armatureInverter.idealDcDc.powerController.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (196): * Single equations (assignments): 195 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.001143/0.4158, allocations: 476.6 kB / 425.3 MB, free: 4.02 MB / 334.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004777/0.4162, allocations: 162 kB / 425.4 MB, free: 3.859 MB / 334.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004983/0.4212, allocations: 1.687 MB / 427.1 MB, free: 2.137 MB / 334.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.394e-05/0.4213, allocations: 8 kB / 427.1 MB, free: 2.129 MB / 334.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.028e-05/0.4213, allocations: 4 kB / 427.1 MB, free: 2.125 MB / 334.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.647e-05/0.4213, allocations: 7.969 kB / 427.2 MB, free: 2.117 MB / 334.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.009622/0.4309, allocations: 3.919 MB / 431.1 MB, free: 14.02 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.189e-05/0.431, allocations: 11.94 kB / 431.1 MB, free: 14 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001237/0.4322, allocations: 288.5 kB / 431.4 MB, free: 13.72 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001103/0.4324, allocations: 32.84 kB / 431.4 MB, free: 13.69 MB / 350.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001015/0.4325, allocations: 32 kB / 431.4 MB, free: 13.66 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009431/0.4334, allocations: 1.277 MB / 432.7 MB, free: 12.25 MB / 350.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.148e-05/0.4335, allocations: 15.94 kB / 432.7 MB, free: 12.23 MB / 350.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005234/0.4387, allocations: 2.38 MB / 435.1 MB, free: 9.684 MB / 350.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007012/0.4394, allocations: 299.1 kB / 435.4 MB, free: 9.371 MB / 350.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002902/0.4397, allocations: 35.98 kB / 435.4 MB, free: 9.336 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001135/0.4409, allocations: 139.9 kB / 435.6 MB, free: 9.199 MB / 350.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002436/0.4411, allocations: 124.2 kB / 435.7 MB, free: 9.078 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.106e-05/0.4412, allocations: 39.94 kB / 435.7 MB, free: 9.039 MB / 350.1 MB Notification: Performance of sorting global known variables: time 0.001381/0.4426, allocations: 0.8061 MB / 436.5 MB, free: 8.234 MB / 350.1 MB Notification: Performance of sort global known variables: time 2.71e-07/0.4426, allocations: 0 / 436.5 MB, free: 8.234 MB / 350.1 MB Notification: Performance of remove unused functions: time 0.002199/0.4448, allocations: 0.6094 MB / 437.1 MB, free: 7.625 MB / 350.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 43 * Number of states: 11 (loadInertia.w,speedSensor.flange.phi,dcpm.la.i,armatureInverter.vDCFilter.y,armatureInverter.iMotFilter.y,armatureInverter.idealDcDc.deadTime.y,armatureInverter.idealDcDc.powerController.y,armatureInverter.vMotFilter.y,armatureInverter.iDCFilter.y,currentController.integrator.y,speedController.integrator.y) * Number of discrete variables: 2 (kinematicPTP.moving[1],kinematicPTP.noWphase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (109): * Single equations (assignments): 108 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0002249/0.445, allocations: 161.7 kB / 437.3 MB, free: 7.457 MB / 350.1 MB Notification: Performance of simCode: created initialization part: time 0.006896/0.4519, allocations: 2.946 MB / 440.2 MB, free: 4.496 MB / 350.1 MB Notification: Performance of simCode: created event and clocks part: time 2.09e-05/0.452, allocations: 5 kB / 440.3 MB, free: 4.492 MB / 350.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001807/0.4538, allocations: 0.7536 MB / 441 MB, free: 3.727 MB / 350.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003654/0.4575, allocations: 333.3 kB / 441.3 MB, free: 3.406 MB / 350.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007489/0.465, allocations: 4.53 MB / 445.9 MB, free: 14.72 MB / 366.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001193/0.4662, allocations: 1.341 MB / 447.2 MB, free: 13.34 MB / 366.1 MB Notification: Performance of simCode: alias equations: time 0.001731/0.4679, allocations: 288.4 kB / 447.5 MB, free: 13.06 MB / 366.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004277/0.4683, allocations: 103.4 kB / 447.6 MB, free: 12.96 MB / 366.1 MB Notification: Performance of SimCode: time 9.41e-07/0.4684, allocations: 0 / 447.6 MB, free: 12.96 MB / 366.1 MB Notification: Performance of Templates: time 0.03794/0.5063, allocations: 16.84 MB / 464.4 MB, free: 12.28 MB / 382.1 MB make -j1 -f Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM.makefile (rm -f Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM.pipe ; mkfifo Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM.pipe >> ../files/Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM.sim & ./Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM.pipe 2>&1) diffSimulationResults("Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Electrical/Machines/Examples/ControlledDCDrives/PositionControlledDCPM/PositionControlledDCPM.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_4.0.0_Modelica.Electrical.Machines.Examples.ControlledDCDrives.PositionControlledDCPM.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches