Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy.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/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/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: translateModel(Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|transition1.condition|transition2.condition|actMod",fileNamePrefix="Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy") translateModel(Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|transition1.condition|transition2.condition|actMod",fileNamePrefix="Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009186/0.0009184, allocations: 98.03 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00689/0.00689, allocations: 169.2 kB / 16.26 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.381/1.381, allocations: 223.3 MB / 240.3 MB, free: 5.332 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.831/2.831, allocations: 437.8 MB / 0.7121 GB, free: 6.934 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.0003761/0.0003762, allocations: 15.98 kB / 0.8728 GB, free: 3.277 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8921/0.8925, allocations: 153.8 MB / 1.023 GB, free: 15.83 MB / 0.7794 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy): time 0.004297/0.8968, allocations: 2.73 MB / 1.026 GB, free: 13.08 MB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.003871/0.9007, allocations: 1.786 MB / 1.027 GB, free: 11.29 MB / 0.7794 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00067/0.9014, allocations: 15.88 kB / 1.027 GB, free: 11.27 MB / 0.7794 GB Notification: Performance of NFTyping.typeComponents: time 0.001584/0.903, allocations: 406.5 kB / 1.028 GB, free: 10.88 MB / 0.7794 GB Notification: Performance of NFTyping.typeBindings: time 0.0009107/0.904, allocations: 231.1 kB / 1.028 GB, free: 10.65 MB / 0.7794 GB Notification: Performance of NFTyping.typeClassSections: time 0.001459/0.9054, allocations: 419 kB / 1.028 GB, free: 10.24 MB / 0.7794 GB Notification: Performance of NFFlatten.flatten: time 0.001336/0.9068, allocations: 0.7836 MB / 1.029 GB, free: 9.457 MB / 0.7794 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009377/0.9077, allocations: 441.2 kB / 1.03 GB, free: 9.02 MB / 0.7794 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0005255/0.9083, allocations: 242.8 kB / 1.03 GB, free: 8.781 MB / 0.7794 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005955/0.9089, allocations: 274.6 kB / 1.03 GB, free: 8.512 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 0.0001602/0.909, allocations: 24 kB / 1.03 GB, free: 8.488 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003587/0.9094, allocations: 79.91 kB / 1.03 GB, free: 8.41 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 0.00027/0.9097, allocations: 191.2 kB / 1.03 GB, free: 8.223 MB / 0.7794 GB Notification: Performance of NFVerifyModel.verify: time 0.0004571/0.9102, allocations: 331.5 kB / 1.031 GB, free: 7.891 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.001014/0.9112, allocations: 0.7588 MB / 1.031 GB, free: 7.129 MB / 0.7794 GB Notification: Performance of FrontEnd - DAE generated: time 5.009e-06/0.9112, allocations: 0 / 1.031 GB, free: 7.129 MB / 0.7794 GB Notification: Performance of FrontEnd: time 3.437e-06/0.9112, allocations: 0 / 1.031 GB, free: 7.129 MB / 0.7794 GB Notification: Performance of Transformations before backend: time 3.804e-05/0.9113, allocations: 0 / 1.031 GB, free: 7.129 MB / 0.7794 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 119 * Number of variables: 119 Notification: Performance of Generate backend data structure: time 0.001897/0.9132, allocations: 0.9919 MB / 1.032 GB, free: 6.078 MB / 0.7794 GB Notification: Performance of prepare preOptimizeDAE: time 4.354e-05/0.9132, allocations: 8.031 kB / 1.032 GB, free: 6.07 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002277/0.9135, allocations: 95.8 kB / 1.033 GB, free: 5.977 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009155/0.9144, allocations: 0.5282 MB / 1.033 GB, free: 5.406 MB / 0.7794 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.622e-05/0.9145, allocations: 67.27 kB / 1.033 GB, free: 5.336 MB / 0.7794 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.403e-05/0.9146, allocations: 59.92 kB / 1.033 GB, free: 5.277 MB / 0.7794 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009576/0.9155, allocations: 0.5385 MB / 1.034 GB, free: 4.688 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.136e-05/0.9156, allocations: 11.92 kB / 1.034 GB, free: 4.676 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.385e-05/0.9156, allocations: 24 kB / 1.034 GB, free: 4.652 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.427e-05/0.9157, allocations: 15.94 kB / 1.034 GB, free: 4.637 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000724/0.9164, allocations: 339.7 kB / 1.034 GB, free: 4.309 MB / 0.7794 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002737/0.9191, allocations: 1.92 MB / 1.036 GB, free: 2.297 MB / 0.7794 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007595/0.9199, allocations: 350.8 kB / 1.036 GB, free: 1.918 MB / 0.7794 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002865/0.9202, allocations: 163.5 kB / 1.036 GB, free: 1.746 MB / 0.7794 GB Notification: Performance of preOpt evalFunc (simulation): time 4.116e-05/0.9203, allocations: 15.67 kB / 1.036 GB, free: 1.73 MB / 0.7794 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004482/0.9207, allocations: 262.5 kB / 1.037 GB, free: 1.449 MB / 0.7794 GB Notification: Performance of pre-optimization done (n=44): time 2.454e-06/0.9207, allocations: 0 / 1.037 GB, free: 1.449 MB / 0.7794 GB Notification: Performance of matching and sorting (n=44): time 0.001025/0.9218, allocations: 0.4972 MB / 1.037 GB, free: 0.9453 MB / 0.7794 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001212/0.9219, allocations: 195.9 kB / 1.037 GB, free: 0.7109 MB / 0.7794 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001007/0.9229, allocations: 0.7461 MB / 1.038 GB, free: 15.96 MB / 0.795 GB Notification: Performance of collectPreVariables (initialization): time 7.036e-05/0.923, allocations: 45.7 kB / 1.038 GB, free: 15.91 MB / 0.795 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003281/0.9233, allocations: 372.8 kB / 1.039 GB, free: 15.54 MB / 0.795 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001142/0.9235, allocations: 110.6 kB / 1.039 GB, free: 15.43 MB / 0.795 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001201/0.9236, allocations: 89.67 kB / 1.039 GB, free: 15.34 MB / 0.795 GB Notification: Performance of setup shared object (initialization): time 0.0001493/0.9237, allocations: 330 kB / 1.039 GB, free: 15.01 MB / 0.795 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002716/0.924, allocations: 145.2 kB / 1.039 GB, free: 14.86 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005133/0.9245, allocations: 319.5 kB / 1.039 GB, free: 14.48 MB / 0.795 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005718/0.9251, allocations: 381.2 kB / 1.04 GB, free: 14.04 MB / 0.795 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.573e-06/0.9251, allocations: 15.88 kB / 1.04 GB, free: 14.03 MB / 0.795 GB Notification: Performance of matching and sorting (n=76) (initialization): time 0.00088/0.926, allocations: 0.5071 MB / 1.04 GB, free: 13.51 MB / 0.795 GB Notification: Performance of prepare postOptimizeDAE: time 2.183e-05/0.9261, allocations: 13.66 kB / 1.04 GB, free: 13.5 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.357e-06/0.9261, allocations: 4.047 kB / 1.04 GB, free: 13.5 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.894e-05/0.9261, allocations: 11.98 kB / 1.04 GB, free: 13.48 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002936/0.9264, allocations: 79.78 kB / 1.04 GB, free: 13.41 MB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.592e-05/0.9264, allocations: 11.98 kB / 1.04 GB, free: 13.39 MB / 0.795 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002964/0.9267, allocations: 63.42 kB / 1.041 GB, free: 13.33 MB / 0.795 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.567e-05/0.9268, allocations: 24 kB / 1.041 GB, free: 13.31 MB / 0.795 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 20 * Number of states: 0 () * Number of discrete variables: 58 ($PRE.transition1.enableFire,$PRE.transition2.enableFire,$PRE.transition3.enableFire,$PRE.transition4.enableFire,transition1.t_start,$PRE.transition1.t_start,transition2.t_start,$PRE.transition2.t_start,$PRE.runSig.combiTimeTable.nextTimeEvent,$whenCondition2,$PRE.avaSig.combiTimeTable.nextTimeEvent,$whenCondition1,transition4.t_start,$PRE.transition4.t_start,stateGraphRoot.resume,stateGraphRoot.suspend,transition3.localCondition,transition4.enableFire,transition3.t_start,$PRE.transition3.t_start,transition3.fire,transition3.enableFire,stateGraphRoot.activeSteps,off.oldActive,$PRE.off.oldActive,off.newActive,$PRE.off.newActive,off.inPort[2].occupied,off.localActive,$PRE.off.localActive,off.active,runSig.combiTimeTable.nextTimeEventScaled,$PRE.runSig.combiTimeTable.nextTimeEventScaled,runSig.combiTimeTable.nextTimeEvent,avaSig.combiTimeTable.nextTimeEventScaled,$PRE.avaSig.combiTimeTable.nextTimeEventScaled,avaSig.combiTimeTable.nextTimeEvent,pumOn.oldActive,$PRE.pumOn.oldActive,pumOn.newActive,$PRE.pumOn.newActive,pumOn.localActive,$PRE.pumOn.localActive,pumOn.active,staBy.oldActive,$PRE.staBy.oldActive,staBy.newActive,$PRE.staBy.newActive,staBy.outPort[2].available,staBy.localActive,$PRE.staBy.localActive,staBy.active,transition2.enableFire,transition2.condition,transition1.enableFire,transition1.condition,actMod,$whenCondition3) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (76): * Single equations (assignments): 76 * 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 0.0003605/0.9271, allocations: 278.1 kB / 1.041 GB, free: 13.03 MB / 0.795 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001/0.9272, allocations: 75.06 kB / 1.041 GB, free: 12.96 MB / 0.795 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007627/0.928, allocations: 431.8 kB / 1.041 GB, free: 12.52 MB / 0.795 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.484e-06/0.928, allocations: 4 kB / 1.041 GB, free: 12.52 MB / 0.795 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.762e-06/0.928, allocations: 4 kB / 1.041 GB, free: 12.52 MB / 0.795 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.813e-06/0.9281, allocations: 0 / 1.041 GB, free: 12.52 MB / 0.795 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001575/0.9296, allocations: 1.067 MB / 1.042 GB, free: 11.39 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.733e-06/0.9297, allocations: 7.984 kB / 1.042 GB, free: 11.38 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001637/0.9298, allocations: 31.92 kB / 1.042 GB, free: 11.35 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.626e-06/0.9298, allocations: 4 kB / 1.042 GB, free: 11.35 MB / 0.795 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.747e-05/0.9299, allocations: 8 kB / 1.042 GB, free: 11.34 MB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.001e-06/0.9299, allocations: 4 kB / 1.042 GB, free: 11.34 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.931e-06/0.9299, allocations: 15.86 kB / 1.042 GB, free: 11.32 MB / 0.795 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007397/0.9306, allocations: 0.5202 MB / 1.043 GB, free: 10.78 MB / 0.795 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001279/0.9308, allocations: 160 kB / 1.043 GB, free: 10.6 MB / 0.795 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.97e-05/0.9309, allocations: 12 kB / 1.043 GB, free: 10.59 MB / 0.795 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000196/0.9311, allocations: 23.98 kB / 1.043 GB, free: 10.57 MB / 0.795 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001131/0.9312, allocations: 47.88 kB / 1.043 GB, free: 10.52 MB / 0.795 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.461e-05/0.9312, allocations: 19.98 kB / 1.043 GB, free: 10.5 MB / 0.795 GB Notification: Performance of sorting global known variables: time 0.0005561/0.9318, allocations: 0.4951 MB / 1.044 GB, free: 10.01 MB / 0.795 GB Notification: Performance of sort global known variables: time 1.71e-07/0.9318, allocations: 0 / 1.044 GB, free: 10.01 MB / 0.795 GB Notification: Performance of remove unused functions: time 0.000546/0.9324, allocations: 143.6 kB / 1.044 GB, free: 9.867 MB / 0.795 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 39 (transition4.t_start,transition3.enableFire,off.active,pumOn.localActive,staBy.localActive,$cse1,$cse2,$cse3,$cse4,$cse5,$whenCondition3,$whenCondition2,$whenCondition1,actMod,transition1.condition,transition1.enableFire,transition2.condition,transition2.enableFire,staBy.active,staBy.outPort[2].available,staBy.newActive,staBy.oldActive,pumOn.active,pumOn.newActive,pumOn.oldActive,avaSig.combiTimeTable.nextTimeEvent,avaSig.combiTimeTable.nextTimeEventScaled,runSig.combiTimeTable.nextTimeEvent,runSig.combiTimeTable.nextTimeEventScaled,off.localActive,off.inPort[2].occupied,off.newActive,off.oldActive,stateGraphRoot.activeSteps,transition3.fire,transition3.t_start,transition4.enableFire,transition2.t_start,transition1.t_start) * Number of discrete states: 10 (transition1.t_start,transition2.t_start,runSig.combiTimeTable.nextTimeEvent,avaSig.combiTimeTable.nextTimeEvent,staBy.newActive,pumOn.newActive,off.newActive,runSig.combiTimeTable.nextTimeEventScaled,avaSig.combiTimeTable.nextTimeEventScaled,transition4.t_start) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (49): * Single equations (assignments): 38 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 11 * 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 0.001133/0.9335, allocations: 458.1 kB / 1.044 GB, free: 9.566 MB / 0.795 GB Notification: Performance of simCode: created initialization part: time 0.0009352/0.9344, allocations: 387 kB / 1.045 GB, free: 9.188 MB / 0.795 GB Notification: Performance of simCode: created event and clocks part: time 3.106e-06/0.9345, allocations: 0 / 1.045 GB, free: 9.188 MB / 0.795 GB Notification: Performance of simCode: created simulation system equations: time 0.0003444/0.9348, allocations: 195.4 kB / 1.045 GB, free: 8.996 MB / 0.795 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007748/0.9356, allocations: 125.6 kB / 1.045 GB, free: 8.875 MB / 0.795 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002224/0.9378, allocations: 1.473 MB / 1.046 GB, free: 7.363 MB / 0.795 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006186/0.9385, allocations: 0.9576 MB / 1.047 GB, free: 6.379 MB / 0.795 GB Notification: Performance of simCode: alias equations: time 0.0003089/0.9388, allocations: 96.77 kB / 1.047 GB, free: 6.285 MB / 0.795 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001453/0.9389, allocations: 55.42 kB / 1.047 GB, free: 6.23 MB / 0.795 GB Notification: Performance of SimCode: time 4.51e-07/0.9389, allocations: 0 / 1.047 GB, free: 6.23 MB / 0.795 GB Notification: Performance of Templates: time 0.01526/0.9542, allocations: 6.367 MB / 1.054 GB, free: 15.93 MB / 0.8106 GB make -j1 -f Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy.makefile (rm -f Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy.pipe ; mkfifo Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy.pipe >> ../files/Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy.sim & ./Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_CHPs_BaseClasses_Validation_StandBy.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.CHPs.BaseClasses.Validation.StandBy.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches