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 0.001522/0.001522, allocations: 117.6 kB / 17.78 MB, free: 5.262 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001646/0.001646, allocations: 204.7 kB / 18.73 MB, free: 4.32 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.458/1.458, allocations: 227.4 MB / 246.9 MB, free: 10.51 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo): time 0.2218/0.2218, allocations: 46.09 MB / 344.3 MB, free: 11.52 MB / 286.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001507/0.001507, allocations: 75.89 kB / 481.3 MB, free: 4.051 MB / 350.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3886/0.3901, allocations: 62.43 MB / 0.531 GB, free: 13.62 MB / 398.1 MB
Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall): time 0.003518/0.3937, allocations: 2.229 MB / 0.5332 GB, free: 11.88 MB / 398.1 MB
Notification: Performance of NFInst.instExpressions: time 0.003175/0.3969, allocations: 2.159 MB / 0.5353 GB, free: 10.16 MB / 398.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0001552/0.397, allocations: 2.75 kB / 0.5353 GB, free: 10.16 MB / 398.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.0003036/0.3974, allocations: 68.03 kB / 0.5354 GB, free: 10.11 MB / 398.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.0003166/0.3977, allocations: 115.9 kB / 0.5355 GB, free: 10.02 MB / 398.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.001168/0.3989, allocations: 435.5 kB / 0.5359 GB, free: 9.742 MB / 398.1 MB
Notification: Performance of NFFlatten.flatten: time 0.0005987/0.3995, allocations: 0.5137 MB / 0.5364 GB, free: 9.449 MB / 398.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0001143/0.3996, allocations: 65.06 kB / 0.5365 GB, free: 9.418 MB / 398.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0002953/0.3999, allocations: 177.6 kB / 0.5366 GB, free: 9.324 MB / 398.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.000261/0.4002, allocations: 211.3 kB / 0.5368 GB, free: 9.195 MB / 398.1 MB
Notification: Performance of NFPackage.collectConstants: time 4.434e-05/0.4002, allocations: 14.06 kB / 0.5368 GB, free: 9.195 MB / 398.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.001014/0.4013, allocations: 0.668 MB / 0.5375 GB, free: 8.793 MB / 398.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.0001128/0.4014, allocations: 100.3 kB / 0.5376 GB, free: 8.723 MB / 398.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0002286/0.4016, allocations: 197.5 kB / 0.5378 GB, free: 8.594 MB / 398.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.001056/0.4027, allocations: 0.8138 MB / 0.5386 GB, free: 8.066 MB / 398.1 MB
Notification: Performance of FrontEnd - DAE generated: time 5.831e-06/0.4027, allocations: 5.031 kB / 0.5386 GB, free: 8.062 MB / 398.1 MB
Notification: Performance of FrontEnd: time 1.533e-06/0.4027, allocations: 0 / 0.5386 GB, free: 8.062 MB / 398.1 MB
Notification: Performance of Transformations before backend: time 8.205e-06/0.4027, allocations: 0 / 0.5386 GB, free: 8.062 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 0.001591/0.4043, allocations: 0.8073 MB / 0.5394 GB, free: 7.395 MB / 398.1 MB
Notification: Performance of prepare preOptimizeDAE: time 5.018e-05/0.4044, allocations: 9.188 kB / 0.5394 GB, free: 7.395 MB / 398.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004261/0.4048, allocations: 89.95 kB / 0.5395 GB, free: 7.352 MB / 398.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005129/0.4053, allocations: 308.3 kB / 0.5398 GB, free: 7.07 MB / 398.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.429e-05/0.4054, allocations: 41.16 kB / 0.5398 GB, free: 7.051 MB / 398.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001094/0.4055, allocations: 52.81 kB / 0.5398 GB, free: 7.031 MB / 398.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001232/0.4067, allocations: 0.695 MB / 0.5405 GB, free: 6.633 MB / 398.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.854e-05/0.4068, allocations: 4.969 kB / 0.5405 GB, free: 6.629 MB / 398.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.869e-05/0.4068, allocations: 20.34 kB / 0.5405 GB, free: 6.613 MB / 398.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.69e-05/0.4069, allocations: 20.75 kB / 0.5406 GB, free: 6.613 MB / 398.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009966/0.4079, allocations: 0.4929 MB / 0.541 GB, free: 6.383 MB / 398.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002202/0.4101, allocations: 1.501 MB / 0.5425 GB, free: 5.312 MB / 398.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0006374/0.4107, allocations: 326 kB / 0.5428 GB, free: 5.133 MB / 398.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003454/0.4111, allocations: 159.1 kB / 0.543 GB, free: 5.055 MB / 398.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 6.043e-05/0.4112, allocations: 17.53 kB / 0.543 GB, free: 5.043 MB / 398.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.551e-05/0.4112, allocations: 31.97 kB / 0.543 GB, free: 5.004 MB / 398.1 MB
Notification: Performance of pre-optimization done (n=23): time 1.633e-06/0.4112, allocations: 4 kB / 0.543 GB, free: 5 MB / 398.1 MB
Notification: Performance of matching and sorting (n=23): time 0.001343/0.4126, allocations: 0.5077 MB / 0.5435 GB, free: 4.719 MB / 398.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.691e-05/0.4127, allocations: 111.1 kB / 0.5436 GB, free: 4.586 MB / 398.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007987/0.4135, allocations: 0.5682 MB / 0.5442 GB, free: 4.008 MB / 398.1 MB
Notification: Performance of collectPreVariables (initialization): time 3.884e-05/0.4135, allocations: 29.7 kB / 0.5442 GB, free: 3.973 MB / 398.1 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0002152/0.4137, allocations: 232.3 kB / 0.5444 GB, free: 3.742 MB / 398.1 MB
Notification: Performance of collectInitialBindings (initialization): time 7.561e-05/0.4138, allocations: 78.83 kB / 0.5445 GB, free: 3.664 MB / 398.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001582/0.414, allocations: 85.69 kB / 0.5446 GB, free: 3.574 MB / 398.1 MB
Notification: Performance of setup shared object (initialization): time 0.0001808/0.4142, allocations: 358.8 kB / 0.5449 GB, free: 3.215 MB / 398.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003408/0.4145, allocations: 147.9 kB / 0.5451 GB, free: 3.07 MB / 398.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003987/0.4149, allocations: 248.7 kB / 0.5453 GB, free: 2.781 MB / 398.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0007888/0.4157, allocations: 437.4 kB / 0.5457 GB, free: 2.309 MB / 398.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.476e-06/0.4157, allocations: 0 / 0.5457 GB, free: 2.309 MB / 398.1 MB
Notification: Performance of matching and sorting (n=36) (initialization): time 0.000944/0.4167, allocations: 488.4 kB / 0.5462 GB, free: 1.824 MB / 398.1 MB
Notification: Performance of prepare postOptimizeDAE: time 2.101e-05/0.4167, allocations: 11.88 kB / 0.5462 GB, free: 1.812 MB / 398.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.008e-05/0.4168, allocations: 43.98 kB / 0.5462 GB, free: 1.77 MB / 398.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 2.06e-05/0.4168, allocations: 4 kB / 0.5463 GB, free: 1.766 MB / 398.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002171/0.4171, allocations: 35.91 kB / 0.5463 GB, free: 1.73 MB / 398.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.047e-05/0.4171, allocations: 8.406 kB / 0.5463 GB, free: 1.723 MB / 398.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003312/0.4174, allocations: 71.34 kB / 0.5464 GB, free: 1.652 MB / 398.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.246e-05/0.4175, allocations: 19.94 kB / 0.5464 GB, free: 1.633 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 0.0003894/0.4179, allocations: 217.6 kB / 0.5466 GB, free: 1.41 MB / 398.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001104/0.418, allocations: 47.38 kB / 0.5466 GB, free: 1.363 MB / 398.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009044/0.4189, allocations: 464.9 kB / 0.5471 GB, free: 0.8945 MB / 398.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.126e-05/0.4189, allocations: 11.98 kB / 0.5471 GB, free: 0.8828 MB / 398.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.513e-06/0.4189, allocations: 0 / 0.5471 GB, free: 0.8828 MB / 398.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.792e-06/0.4189, allocations: 3.938 kB / 0.5471 GB, free: 0.8789 MB / 398.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006757/0.4196, allocations: 405.2 kB / 0.5475 GB, free: 444 kB / 398.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.25e-05/0.4197, allocations: 39.98 kB / 0.5475 GB, free: 404 kB / 398.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000143/0.4198, allocations: 23.97 kB / 0.5475 GB, free: 380 kB / 398.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 5.17e-06/0.4199, allocations: 4 kB / 0.5475 GB, free: 376 kB / 398.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.908e-05/0.4199, allocations: 15.98 kB / 0.5476 GB, free: 360 kB / 398.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.174e-06/0.4199, allocations: 0 / 0.5476 GB, free: 360 kB / 398.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.583e-06/0.4199, allocations: 0 / 0.5476 GB, free: 360 kB / 398.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009472/0.4209, allocations: 0.6265 MB / 0.5482 GB, free: 15.7 MB / 414.1 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001301/0.421, allocations: 128.5 kB / 0.5483 GB, free: 15.56 MB / 414.1 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.492e-05/0.4211, allocations: 8 kB / 0.5483 GB, free: 15.55 MB / 414.1 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002714/0.4214, allocations: 23.97 kB / 0.5483 GB, free: 15.53 MB / 414.1 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001084/0.4215, allocations: 23.92 kB / 0.5483 GB, free: 15.5 MB / 414.1 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.847e-05/0.4215, allocations: 15.98 kB / 0.5484 GB, free: 15.49 MB / 414.1 MB
Notification: Performance of sorting global known variables: time 0.0004345/0.4219, allocations: 418.8 kB / 0.5488 GB, free: 15.08 MB / 414.1 MB
Notification: Performance of sort global known variables: time 1.41e-07/0.422, allocations: 0 / 0.5488 GB, free: 15.08 MB / 414.1 MB
Notification: Performance of remove unused functions: time 0.0007324/0.4227, allocations: 175.8 kB / 0.5489 GB, free: 14.91 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 0.0005557/0.4233, allocations: 234.9 kB / 0.5492 GB, free: 14.68 MB / 414.1 MB
Notification: Performance of simCode: created initialization part: time 0.001057/0.4243, allocations: 0.6648 MB / 0.5498 GB, free: 13.94 MB / 414.1 MB
Notification: Performance of simCode: created event and clocks part: time 2.374e-06/0.4243, allocations: 4 kB / 0.5498 GB, free: 13.93 MB / 414.1 MB
Notification: Performance of simCode: created simulation system equations: time 0.00054/0.4249, allocations: 488.2 kB / 0.5503 GB, free: 13.38 MB / 414.1 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007067/0.4256, allocations: 98 kB / 0.5504 GB, free: 13.29 MB / 414.1 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001706/0.4273, allocations: 0.9218 MB / 0.5513 GB, free: 12.34 MB / 414.1 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004871/0.4278, allocations: 0.8896 MB / 0.5521 GB, free: 11.42 MB / 414.1 MB
Notification: Performance of simCode: alias equations: time 0.0001778/0.428, allocations: 79.28 kB / 0.5522 GB, free: 11.34 MB / 414.1 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 6.669e-05/0.4281, allocations: 31.42 kB / 0.5522 GB, free: 11.3 MB / 414.1 MB
Notification: Performance of SimCode: time 2.625e-06/0.4281, allocations: 0 / 0.5522 GB, free: 11.3 MB / 414.1 MB
Notification: Performance of Templates: time 0.01566/0.4437, allocations: 9.18 MB / 0.5612 GB, free: 2.207 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