Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo", uses=false)
Using package ModelicaTest with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo)
Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo)
Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo)
Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo)
Running command: translateModel(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|cp.1.|cp.2.|cp.3.|eta.1.|eta.2.|eta.3.|lambda.1.|lambda.2.|lambda.3.|rho.1.|rho.2.|rho.3.|m_flow.1.|m_flow.2.|m_flow.3.|Nu_1.1.|Nu_1.2.|Nu_1.3.|Nu_2.1.|Nu_2.2.|Nu_2.3.|Nu_3.1.|Nu_3.2.|Nu_3.3.|Nu_4.1.|Nu_4.2.|Nu_4.3.|Re_1.1.|Re_1.2.|Re_1.3.|Re_2.1.|Re_2.2.|Re_2.3.|mflow_test|input_mflow_0.y|input_mflow_1.y|input_mflow_2.y",fileNamePrefix="ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall")
translateModel(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|cp.1.|cp.2.|cp.3.|eta.1.|eta.2.|eta.3.|lambda.1.|lambda.2.|lambda.3.|rho.1.|rho.2.|rho.3.|m_flow.1.|m_flow.2.|m_flow.3.|Nu_1.1.|Nu_1.2.|Nu_1.3.|Nu_2.1.|Nu_2.2.|Nu_2.3.|Nu_3.1.|Nu_3.2.|Nu_3.3.|Nu_4.1.|Nu_4.2.|Nu_4.3.|Re_1.1.|Re_1.2.|Re_1.3.|Re_2.1.|Re_2.2.|Re_2.3.|mflow_test|input_mflow_0.y|input_mflow_1.y|input_mflow_2.y",fileNamePrefix="ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001595/0.001595, allocations: 118.2 kB / 17.78 MB, free: 5.258 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001926/0.001926, allocations: 206 kB / 18.74 MB, free: 4.312 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.335/1.335, allocations: 227.4 MB / 246.9 MB, free: 10.46 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo): time 0.2109/0.2109, allocations: 46.1 MB / 344.3 MB, free: 11.5 MB / 286.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001387/0.001387, allocations: 71.88 kB / 481.3 MB, free: 4.047 MB / 350.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3558/0.3572, allocations: 62.44 MB / 0.531 GB, free: 13.61 MB / 398.1 MB
Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall): time 0.003934/0.3612, allocations: 2.228 MB / 0.5332 GB, free: 11.88 MB / 398.1 MB
Notification: Performance of NFInst.instExpressions: time 0.003227/0.3644, allocations: 2.155 MB / 0.5353 GB, free: 10.16 MB / 398.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0001274/0.3646, allocations: 2.156 kB / 0.5353 GB, free: 10.16 MB / 398.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.0002967/0.3649, allocations: 68.44 kB / 0.5354 GB, free: 10.11 MB / 398.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.0002205/0.3651, allocations: 108.2 kB / 0.5355 GB, free: 10.02 MB / 398.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.00113/0.3663, allocations: 444.1 kB / 0.5359 GB, free: 9.738 MB / 398.1 MB
Notification: Performance of NFFlatten.flatten: time 0.0006219/0.3669, allocations: 0.5091 MB / 0.5364 GB, free: 9.449 MB / 398.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0001056/0.367, allocations: 61.45 kB / 0.5365 GB, free: 9.422 MB / 398.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0002766/0.3673, allocations: 176.6 kB / 0.5366 GB, free: 9.328 MB / 398.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.000255/0.3676, allocations: 208.2 kB / 0.5368 GB, free: 9.203 MB / 398.1 MB
Notification: Performance of NFPackage.collectConstants: time 3.919e-05/0.3676, allocations: 13.47 kB / 0.5368 GB, free: 9.203 MB / 398.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.001104/0.3687, allocations: 0.6672 MB / 0.5375 GB, free: 8.801 MB / 398.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.0001532/0.3689, allocations: 109 kB / 0.5376 GB, free: 8.723 MB / 398.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0002383/0.3691, allocations: 197.8 kB / 0.5378 GB, free: 8.594 MB / 398.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.001088/0.3702, allocations: 0.8015 MB / 0.5386 GB, free: 8.078 MB / 398.1 MB
Notification: Performance of FrontEnd - DAE generated: time 9.217e-06/0.3703, allocations: 4 kB / 0.5386 GB, free: 8.074 MB / 398.1 MB
Notification: Performance of FrontEnd: time 1.182e-06/0.3703, allocations: 3.938 kB / 0.5386 GB, free: 8.07 MB / 398.1 MB
Notification: Performance of Transformations before backend: time 8.816e-06/0.3703, allocations: 0 / 0.5386 GB, free: 8.07 MB / 398.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 134
 * Number of variables: 134
Notification: Performance of Generate backend data structure: time 0.001348/0.3716, allocations: 0.8212 MB / 0.5394 GB, free: 7.387 MB / 398.1 MB
Notification: Performance of prepare preOptimizeDAE: time 4.736e-05/0.3717, allocations: 9.375 kB / 0.5394 GB, free: 7.387 MB / 398.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004923/0.3722, allocations: 94.16 kB / 0.5395 GB, free: 7.34 MB / 398.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004143/0.3726, allocations: 312.9 kB / 0.5398 GB, free: 7.055 MB / 398.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.834e-05/0.3727, allocations: 37.31 kB / 0.5398 GB, free: 7.039 MB / 398.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 7.582e-05/0.3727, allocations: 52.03 kB / 0.5399 GB, free: 7.02 MB / 398.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001029/0.3738, allocations: 0.6913 MB / 0.5405 GB, free: 6.625 MB / 398.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.438e-05/0.3738, allocations: 1.125 kB / 0.5405 GB, free: 6.625 MB / 398.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.021e-05/0.3738, allocations: 20.44 kB / 0.5405 GB, free: 6.609 MB / 398.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.925e-05/0.3739, allocations: 24.25 kB / 0.5406 GB, free: 6.605 MB / 398.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008945/0.3748, allocations: 0.4943 MB / 0.5411 GB, free: 6.375 MB / 398.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002008/0.3768, allocations: 1.517 MB / 0.5425 GB, free: 5.289 MB / 398.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0006307/0.3775, allocations: 318.9 kB / 0.5428 GB, free: 5.113 MB / 398.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003399/0.3778, allocations: 148.1 kB / 0.543 GB, free: 5.043 MB / 398.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 5.843e-05/0.3779, allocations: 20.83 kB / 0.543 GB, free: 5.027 MB / 398.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.278e-05/0.3779, allocations: 32.81 kB / 0.543 GB, free: 4.988 MB / 398.1 MB
Notification: Performance of pre-optimization done (n=23): time 1.583e-06/0.3779, allocations: 0 / 0.543 GB, free: 4.988 MB / 398.1 MB
Notification: Performance of matching and sorting (n=23): time 0.001272/0.3792, allocations: 0.5168 MB / 0.5435 GB, free: 4.707 MB / 398.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.126e-05/0.3793, allocations: 114.7 kB / 0.5436 GB, free: 4.57 MB / 398.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005851/0.3799, allocations: 0.5604 MB / 0.5442 GB, free: 4 MB / 398.1 MB
Notification: Performance of collectPreVariables (initialization): time 2.841e-05/0.3799, allocations: 29.7 kB / 0.5442 GB, free: 3.965 MB / 398.1 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0001668/0.3801, allocations: 240.5 kB / 0.5444 GB, free: 3.727 MB / 398.1 MB
Notification: Performance of collectInitialBindings (initialization): time 6.562e-05/0.3801, allocations: 83.22 kB / 0.5445 GB, free: 3.645 MB / 398.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001168/0.3803, allocations: 81.64 kB / 0.5446 GB, free: 3.559 MB / 398.1 MB
Notification: Performance of setup shared object (initialization): time 0.0001421/0.3804, allocations: 366.8 kB / 0.545 GB, free: 3.191 MB / 398.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003317/0.3808, allocations: 147.8 kB / 0.5451 GB, free: 3.047 MB / 398.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003921/0.3812, allocations: 249.6 kB / 0.5453 GB, free: 2.758 MB / 398.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0008488/0.382, allocations: 431.7 kB / 0.5457 GB, free: 2.293 MB / 398.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.911e-06/0.382, allocations: 7.938 kB / 0.5458 GB, free: 2.285 MB / 398.1 MB
Notification: Performance of matching and sorting (n=36) (initialization): time 0.000978/0.383, allocations: 484.7 kB / 0.5462 GB, free: 1.805 MB / 398.1 MB
Notification: Performance of prepare postOptimizeDAE: time 2.211e-05/0.383, allocations: 12.38 kB / 0.5462 GB, free: 1.793 MB / 398.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.35e-05/0.3831, allocations: 39.98 kB / 0.5463 GB, free: 1.754 MB / 398.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 1.975e-05/0.3831, allocations: 12 kB / 0.5463 GB, free: 1.742 MB / 398.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001924/0.3833, allocations: 31.95 kB / 0.5463 GB, free: 1.711 MB / 398.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.466e-05/0.3834, allocations: 7.938 kB / 0.5463 GB, free: 1.703 MB / 398.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002674/0.3836, allocations: 63.55 kB / 0.5464 GB, free: 1.641 MB / 398.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.341e-05/0.3837, allocations: 27.92 kB / 0.5464 GB, free: 1.613 MB / 398.1 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 15
 * Number of states: 0 ()
 * Number of discrete variables: 12 (m_flow_IN_con_4[3].target,m_flow_IN_con_4[2].target,m_flow_IN_con_4[1].target,m_flow_IN_con_3[3].target,m_flow_IN_con_3[2].target,m_flow_IN_con_3[1].target,m_flow_IN_con_2[3].target,m_flow_IN_con_2[2].target,m_flow_IN_con_2[1].target,m_flow_IN_con_1[3].target,m_flow_IN_con_1[2].target,m_flow_IN_con_1[1].target)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (30):
 * Single equations (assignments): 18
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 12
 * 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 0.0002319/0.3839, allocations: 217.6 kB / 0.5466 GB, free: 1.391 MB / 398.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001087/0.384, allocations: 55.61 kB / 0.5467 GB, free: 1.336 MB / 398.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008943/0.385, allocations: 465.4 kB / 0.5471 GB, free: 0.8633 MB / 398.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.725e-06/0.385, allocations: 4 kB / 0.5471 GB, free: 0.8594 MB / 398.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 8.506e-06/0.385, allocations: 4 kB / 0.5471 GB, free: 0.8555 MB / 398.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.662e-06/0.385, allocations: 7.875 kB / 0.5471 GB, free: 0.8477 MB / 398.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005686/0.3856, allocations: 405.3 kB / 0.5475 GB, free: 412 kB / 398.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.215e-05/0.3856, allocations: 39.98 kB / 0.5475 GB, free: 372 kB / 398.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001396/0.3858, allocations: 27.97 kB / 0.5476 GB, free: 344 kB / 398.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 2.605e-06/0.3858, allocations: 0 / 0.5476 GB, free: 344 kB / 398.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.068e-05/0.3858, allocations: 12 kB / 0.5476 GB, free: 332 kB / 398.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.677e-06/0.3858, allocations: 4 kB / 0.5476 GB, free: 328 kB / 398.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.433e-06/0.3858, allocations: 0 / 0.5476 GB, free: 328 kB / 398.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009162/0.3868, allocations: 0.6297 MB / 0.5482 GB, free: 15.68 MB / 414.1 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001284/0.3869, allocations: 136.7 kB / 0.5483 GB, free: 15.52 MB / 414.1 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.308e-05/0.387, allocations: 7.938 kB / 0.5483 GB, free: 15.52 MB / 414.1 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002787/0.3873, allocations: 15.98 kB / 0.5484 GB, free: 15.5 MB / 414.1 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 8.672e-05/0.3874, allocations: 27.91 kB / 0.5484 GB, free: 15.47 MB / 414.1 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.694e-05/0.3874, allocations: 12 kB / 0.5484 GB, free: 15.46 MB / 414.1 MB
Notification: Performance of sorting global known variables: time 0.0004241/0.3878, allocations: 418.8 kB / 0.5488 GB, free: 15.05 MB / 414.1 MB
Notification: Performance of sort global known variables: time 1.2e-07/0.3878, allocations: 0 / 0.5488 GB, free: 15.05 MB / 414.1 MB
Notification: Performance of remove unused functions: time 0.0006559/0.3885, allocations: 183.5 kB / 0.549 GB, free: 14.88 MB / 414.1 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 3
 * 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 simulation (17):
 * Single equations (assignments): 5
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 12
 * 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 0.0004504/0.3889, allocations: 230.8 kB / 0.5492 GB, free: 14.64 MB / 414.1 MB
Notification: Performance of simCode: created initialization part: time 0.0009215/0.3899, allocations: 0.6639 MB / 0.5498 GB, free: 13.9 MB / 414.1 MB
Notification: Performance of simCode: created event and clocks part: time 2.404e-06/0.3899, allocations: 0 / 0.5498 GB, free: 13.9 MB / 414.1 MB
Notification: Performance of simCode: created simulation system equations: time 0.0005099/0.3904, allocations: 494.5 kB / 0.5503 GB, free: 13.35 MB / 414.1 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006695/0.3911, allocations: 105.9 kB / 0.5504 GB, free: 13.25 MB / 414.1 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001622/0.3927, allocations: 0.9404 MB / 0.5513 GB, free: 12.27 MB / 414.1 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005871/0.3933, allocations: 0.8818 MB / 0.5522 GB, free: 11.36 MB / 414.1 MB
Notification: Performance of simCode: alias equations: time 0.0001901/0.3935, allocations: 79.33 kB / 0.5523 GB, free: 11.28 MB / 414.1 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 6.956e-05/0.3936, allocations: 35.44 kB / 0.5523 GB, free: 11.25 MB / 414.1 MB
Notification: Performance of SimCode: time 2.01e-07/0.3936, allocations: 0 / 0.5523 GB, free: 11.25 MB / 414.1 MB
Notification: Performance of Templates: time 0.017/0.4106, allocations: 9.17 MB / 0.5613 GB, free: 2.156 MB / 414.1 MB
make -j1 -f ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.makefile
(rm -f ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.pipe ; mkfifo ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.pipe ; head -c 1048576 < ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.pipe >> ../files/ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.sim & ./ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall  -abortSlowSimulation -alarm=480  -emit_protected -lv LOG_STATS > ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.pipe 2>&1)
diffSimulationResults("ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/Channel/kc_evenGapOverall/kc_evenGapOverall.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_trunk_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001)
Reference file matches