Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.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 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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: "" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_Plate_kc_turbulent_KC",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_Plate_kc_turbulent_KC",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001171/0.001171, allocations: 96.14 kB / 15.87 MB, free: 16 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001179/0.001179, allocations: 203 kB / 16.79 MB, free: 6.84 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.187/1.187, allocations: 205.1 MB / 222.6 MB, free: 4.992 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.3233/0.3233, allocations: 43.49 MB / 313.5 MB, free: 8.363 MB / 254.1 MB
Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.001303/0.001303, allocations: 59.91 kB / 382.2 MB, free: 8.695 MB / 318.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.107/0.1083, allocations: 57.78 MB / 439.9 MB, free: 14.8 MB / 382.1 MB
Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC): time 0.002678/0.111, allocations: 1.754 MB / 441.7 MB, free: 13.04 MB / 382.1 MB
Notification: Performance of NFInst.instExpressions: time 0.001043/0.1121, allocations: 0.7566 MB / 442.4 MB, free: 12.27 MB / 382.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 4.083e-05/0.1122, allocations: 3.938 kB / 442.5 MB, free: 12.27 MB / 382.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.000203/0.1124, allocations: 35.89 kB / 442.5 MB, free: 12.23 MB / 382.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.0002309/0.1126, allocations: 67.7 kB / 442.6 MB, free: 12.16 MB / 382.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.0001515/0.1128, allocations: 47.89 kB / 442.6 MB, free: 12.12 MB / 382.1 MB
Notification: Performance of NFFlatten.flatten: time 0.0002374/0.113, allocations: 247.2 kB / 442.8 MB, free: 11.88 MB / 382.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 4.342e-05/0.1131, allocations: 17.67 kB / 442.9 MB, free: 11.86 MB / 382.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 6.8e-05/0.1131, allocations: 55.77 kB / 442.9 MB, free: 11.8 MB / 382.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.0001231/0.1133, allocations: 79.67 kB / 443 MB, free: 11.72 MB / 382.1 MB
Notification: Performance of NFPackage.collectConstants: time 1.876e-05/0.1133, allocations: 4 kB / 443 MB, free: 11.72 MB / 382.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0001563/0.1135, allocations: 75.8 kB / 443.1 MB, free: 11.64 MB / 382.1 MB
Notification: Performance of NFScalarize.scalarize: time 6.575e-05/0.1135, allocations: 51.83 kB / 443.1 MB, free: 11.59 MB / 382.1 MB
Notification: Performance of NFVerifyModel.verify: time 7.057e-05/0.1136, allocations: 55.61 kB / 443.2 MB, free: 11.54 MB / 382.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.0002264/0.1138, allocations: 179.3 kB / 443.3 MB, free: 11.36 MB / 382.1 MB
Notification: Performance of FrontEnd - DAE generated: time 4.618e-06/0.1139, allocations: 8 kB / 443.4 MB, free: 11.36 MB / 382.1 MB
Notification: Performance of FrontEnd: time 8.32e-07/0.1139, allocations: 0 / 443.4 MB, free: 11.36 MB / 382.1 MB
Notification: Performance of Transformations before backend: time 6.142e-06/0.1139, allocations: 0 / 443.4 MB, free: 11.36 MB / 382.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 34
 * Number of variables: 34
Notification: Performance of Generate backend data structure: time 0.0006063/0.1145, allocations: 466.7 kB / 443.8 MB, free: 10.85 MB / 382.1 MB
Notification: Performance of prepare preOptimizeDAE: time 3.386e-05/0.1145, allocations: 8.031 kB / 443.8 MB, free: 10.84 MB / 382.1 MB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 4.247e-05/0.1146, allocations: 42.73 kB / 443.9 MB, free: 10.79 MB / 382.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006151/0.1152, allocations: 84.64 kB / 443.9 MB, free: 10.71 MB / 382.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002085/0.1154, allocations: 224 kB / 444.2 MB, free: 10.45 MB / 382.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.3e-05/0.1154, allocations: 12.38 kB / 444.2 MB, free: 10.44 MB / 382.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 2.861e-05/0.1155, allocations: 8.359 kB / 444.2 MB, free: 10.43 MB / 382.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004775/0.1159, allocations: 303.9 kB / 444.5 MB, free: 10.12 MB / 382.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 8.065e-06/0.116, allocations: 0 / 444.5 MB, free: 10.12 MB / 382.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.166e-05/0.116, allocations: 0 / 444.5 MB, free: 10.12 MB / 382.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.157e-05/0.116, allocations: 23.98 kB / 444.5 MB, free: 10.1 MB / 382.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005222/0.1166, allocations: 295.7 kB / 444.8 MB, free: 9.812 MB / 382.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001217/0.1178, allocations: 0.7197 MB / 445.5 MB, free: 9.039 MB / 382.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004731/0.1183, allocations: 282.2 kB / 445.8 MB, free: 8.754 MB / 382.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002027/0.1185, allocations: 100.8 kB / 445.9 MB, free: 8.652 MB / 382.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 2.387e-05/0.1185, allocations: 3.984 kB / 445.9 MB, free: 8.648 MB / 382.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.169e-05/0.1185, allocations: 42.5 kB / 445.9 MB, free: 8.598 MB / 382.1 MB
Notification: Performance of pre-optimization done (n=13): time 1.152e-06/0.1185, allocations: 0 / 445.9 MB, free: 8.598 MB / 382.1 MB
Notification: Performance of matching and sorting (n=13): time 0.0007319/0.1193, allocations: 349.1 kB / 446.3 MB, free: 8.25 MB / 382.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 2.784e-05/0.1193, allocations: 51.41 kB / 446.3 MB, free: 8.188 MB / 382.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001951/0.1195, allocations: 230.3 kB / 446.5 MB, free: 7.953 MB / 382.1 MB
Notification: Performance of collectPreVariables (initialization): time 2.122e-05/0.1195, allocations: 25.7 kB / 446.6 MB, free: 7.922 MB / 382.1 MB
Notification: Performance of collectInitialEqns (initialization): time 6.298e-05/0.1196, allocations: 112 kB / 446.7 MB, free: 7.809 MB / 382.1 MB
Notification: Performance of collectInitialBindings (initialization): time 4.609e-05/0.1197, allocations: 47.3 kB / 446.7 MB, free: 7.762 MB / 382.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 7.832e-05/0.1197, allocations: 45.67 kB / 446.8 MB, free: 7.711 MB / 382.1 MB
Notification: Performance of setup shared object (initialization): time 0.0001052/0.1199, allocations: 338.8 kB / 447.1 MB, free: 7.371 MB / 382.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002041/0.1201, allocations: 95.88 kB / 447.2 MB, free: 7.277 MB / 382.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002095/0.1203, allocations: 123.3 kB / 447.3 MB, free: 7.145 MB / 382.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0004422/0.1207, allocations: 251.1 kB / 447.6 MB, free: 6.887 MB / 382.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.104e-06/0.1207, allocations: 0 / 447.6 MB, free: 6.887 MB / 382.1 MB
Notification: Performance of matching and sorting (n=16) (initialization): time 0.0005324/0.1213, allocations: 289.1 kB / 447.8 MB, free: 6.598 MB / 382.1 MB
Notification: Performance of prepare postOptimizeDAE: time 1.489e-05/0.1213, allocations: 8 kB / 447.9 MB, free: 6.59 MB / 382.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.829e-06/0.1213, allocations: 0 / 447.9 MB, free: 6.59 MB / 382.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 1.078e-05/0.1213, allocations: 4.094 kB / 447.9 MB, free: 6.586 MB / 382.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02053/0.1419, allocations: 0.9202 MB / 448.8 MB, free: 5.664 MB / 382.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.2331/0.375, allocations: 9.959 MB / 458.7 MB, free: 44.65 MB / 382.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003174/0.3754, allocations: 28.98 kB / 458.8 MB, free: 44.65 MB / 382.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.434e-05/0.3754, allocations: 16.28 kB / 458.8 MB, free: 44.65 MB / 382.1 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * 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 (16):
 * Single equations (assignments): 10
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 6
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 6 systems
   {1, 1, 1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0001654/0.3756, allocations: 143.6 kB / 458.9 MB, free: 44.53 MB / 382.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 5.657e-05/0.3757, allocations: 14.12 kB / 458.9 MB, free: 44.53 MB / 382.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006594/0.3823, allocations: 0.6336 MB / 459.6 MB, free: 44.47 MB / 382.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.805e-06/0.3823, allocations: 0 / 459.6 MB, free: 44.47 MB / 382.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.743e-06/0.3823, allocations: 0 / 459.6 MB, free: 44.47 MB / 382.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.218e-06/0.3823, allocations: 6.094 kB / 459.6 MB, free: 44.47 MB / 382.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002655/0.3826, allocations: 273.4 kB / 459.8 MB, free: 44.28 MB / 382.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.916e-06/0.3826, allocations: 0 / 459.8 MB, free: 44.28 MB / 382.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002041/0.3828, allocations: 39.17 kB / 459.9 MB, free: 44.28 MB / 382.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 0.007384/0.3902, allocations: 435.1 kB / 460.3 MB, free: 44.26 MB / 382.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.584e-05/0.3902, allocations: 11.7 kB / 460.3 MB, free: 44.26 MB / 382.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01343/0.4036, allocations: 9.536 MB / 469.9 MB, free: 36.45 MB / 382.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.523e-06/0.4037, allocations: 1.219 kB / 469.9 MB, free: 36.45 MB / 382.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006344/0.41, allocations: 0.6801 MB / 470.5 MB, free: 36.28 MB / 382.1 MB
Notification: Performance of postOpt removeConstants (simulation): time 6.544e-05/0.4101, allocations: 98.75 kB / 470.6 MB, free: 36.18 MB / 382.1 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.541e-05/0.4101, allocations: 3.5 kB / 470.6 MB, free: 36.18 MB / 382.1 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002554/0.4104, allocations: 9.141 kB / 470.6 MB, free: 36.18 MB / 382.1 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001678/0.4106, allocations: 41.16 kB / 470.7 MB, free: 36.18 MB / 382.1 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.41e-05/0.4106, allocations: 13.55 kB / 470.7 MB, free: 36.17 MB / 382.1 MB
Notification: Performance of sorting global known variables: time 0.00014/0.4108, allocations: 171.7 kB / 470.9 MB, free: 36.1 MB / 382.1 MB
Notification: Performance of sort global known variables: time 3.71e-07/0.4108, allocations: 6.344 kB / 470.9 MB, free: 36.09 MB / 382.1 MB
Notification: Performance of remove unused functions: time 0.0006461/0.4114, allocations: 94.56 kB / 471 MB, free: 36.09 MB / 382.1 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * 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 (13):
 * Single equations (assignments): 7
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 3
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 3 systems
   {1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 3 systems
   {(1,1), (1,1), (1,1)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.006717/0.4181, allocations: 1.225 MB / 472.2 MB, free: 35.39 MB / 382.1 MB
Notification: Performance of simCode: created initialization part: time 0.01958/0.4377, allocations: 1.118 MB / 473.3 MB, free: 35.38 MB / 382.1 MB
Notification: Performance of simCode: created event and clocks part: time 9.858e-06/0.4378, allocations: 7.344 kB / 473.3 MB, free: 35.38 MB / 382.1 MB
Notification: Performance of simCode: created simulation system equations: time 0.001792/0.4396, allocations: 0.5256 MB / 473.8 MB, free: 35.05 MB / 382.1 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004118/0.44, allocations: 38.38 kB / 473.9 MB, free: 35.04 MB / 382.1 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004637/0.4447, allocations: 2.824 MB / 476.7 MB, free: 33.68 MB / 382.1 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001883/0.4449, allocations: 0.7522 MB / 477.5 MB, free: 32.98 MB / 382.1 MB
Notification: Performance of simCode: alias equations: time 0.0001183/0.445, allocations: 46.77 kB / 477.5 MB, free: 32.98 MB / 382.1 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 8.813e-05/0.4451, allocations: 52.98 kB / 477.5 MB, free: 32.98 MB / 382.1 MB
Notification: Performance of SimCode: time 1.273e-06/0.4451, allocations: 0.9375 kB / 477.5 MB, free: 32.98 MB / 382.1 MB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02528/0.4704, allocations: 9.36 MB / 486.9 MB, free: 32.25 MB / 382.1 MB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001963/0.4706, allocations: 274.1 kB / 487.2 MB, free: 31.88 MB / 382.1 MB
Notification: Performance of buildModelFMU: Generate platform static: time 2.033/2.504, allocations: 0 / 487.2 MB, free: 31.88 MB / 382.1 MB
(rm -f ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC_res.mat --tempDir=temp_ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_Plate_kc_turbulent_KC_fmu --startTime=0 --stopTime=1.01 --timeout=50 --tolerance=1e-07 ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_Plate_kc_turbulent_KC.fmu > ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.pipe 2>&1)
diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/Plate/kc_turbulent_KC/kc_turbulent_KC.csv","../files/ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001)
Reference file matches