Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides.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.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|ove.oveFloSet|ove.VActSet_flow|ove.VMin_flow|ove.VCooMax_flow|ove.VSet_flow|ove.oveCooDamPos|ove.uCooDam|ove.yCooDam|ove.oveHeaDamPos|ove.uHeaDam|ove.yHeaDam",fileNamePrefix="Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides")
translateModel(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|ove.oveFloSet|ove.VActSet_flow|ove.VMin_flow|ove.VCooMax_flow|ove.VSet_flow|ove.oveCooDamPos|ove.uCooDam|ove.yCooDam|ove.oveHeaDamPos|ove.uHeaDam|ove.yHeaDam",fileNamePrefix="Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001909/0.001909, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002532/0.002532, allocations: 192.8 kB / 16.25 MB, free: 6.641 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.57/1.57, allocations: 222.9 MB / 239.9 MB, free: 4.426 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 2.911/2.911, allocations: 437 MB / 0.7101 GB, free: 5.219 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.00202/0.00202, allocations: 71.88 kB / 0.8688 GB, free: 4.988 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8119/0.8139, allocations: 151.6 MB / 1.017 GB, free: 2.711 MB / 0.7637 GB
Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides): time 0.003625/0.8176, allocations: 1.79 MB / 1.019 GB, free: 0.9141 MB / 0.7637 GB
Notification: Performance of NFInst.instExpressions: time 0.001962/0.8196, allocations: 1.139 MB / 1.02 GB, free: 15.76 MB / 0.7794 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0002608/0.8199, allocations: 8 kB / 1.02 GB, free: 15.75 MB / 0.7794 GB
Notification: Performance of NFTyping.typeComponents: time 0.0001768/0.8201, allocations: 31.64 kB / 1.02 GB, free: 15.72 MB / 0.7794 GB
Notification: Performance of NFTyping.typeBindings: time 0.0002583/0.8204, allocations: 31.66 kB / 1.02 GB, free: 15.69 MB / 0.7794 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0004139/0.8208, allocations: 159.9 kB / 1.02 GB, free: 15.54 MB / 0.7794 GB
Notification: Performance of NFFlatten.flatten: time 0.0006439/0.8215, allocations: 0.4886 MB / 1.02 GB, free: 15.05 MB / 0.7794 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.000537/0.822, allocations: 280.5 kB / 1.021 GB, free: 14.77 MB / 0.7794 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0002915/0.8223, allocations: 195.3 kB / 1.021 GB, free: 14.58 MB / 0.7794 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0003163/0.8226, allocations: 238.8 kB / 1.021 GB, free: 14.34 MB / 0.7794 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001222/0.8228, allocations: 56 kB / 1.021 GB, free: 14.29 MB / 0.7794 GB
Notification: Performance of NFFlatten.collectFunctions: time 8.924e-05/0.8229, allocations: 60 kB / 1.021 GB, free: 14.23 MB / 0.7794 GB
Notification: Performance of NFScalarize.scalarize: time 0.0001691/0.823, allocations: 131.6 kB / 1.021 GB, free: 14.1 MB / 0.7794 GB
Notification: Performance of NFVerifyModel.verify: time 0.0002478/0.8233, allocations: 234.7 kB / 1.022 GB, free: 13.87 MB / 0.7794 GB
Notification: Performance of NFConvertDAE.convert: time 0.0007505/0.824, allocations: 0.6598 MB / 1.022 GB, free: 13.21 MB / 0.7794 GB
Notification: Performance of FrontEnd - DAE generated: time 4.718e-06/0.8241, allocations: 0 / 1.022 GB, free: 13.21 MB / 0.7794 GB
Notification: Performance of FrontEnd: time 1.553e-06/0.8241, allocations: 0 / 1.022 GB, free: 13.21 MB / 0.7794 GB
Notification: Performance of Transformations before backend: time 1.723e-05/0.8241, allocations: 0 / 1.022 GB, free: 13.21 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: 115
 * Number of variables: 115
Notification: Performance of Generate backend data structure: time 0.001661/0.8258, allocations: 0.7601 MB / 1.023 GB, free: 12.4 MB / 0.7794 GB
Notification: Performance of prepare preOptimizeDAE: time 4.482e-05/0.8258, allocations: 8.031 kB / 1.023 GB, free: 12.39 MB / 0.7794 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001211/0.8259, allocations: 52.28 kB / 1.023 GB, free: 12.34 MB / 0.7794 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001277/0.8272, allocations: 491.9 kB / 1.023 GB, free: 11.82 MB / 0.7794 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.146e-05/0.8273, allocations: 33.38 kB / 1.024 GB, free: 11.79 MB / 0.7794 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 7.921e-05/0.8274, allocations: 48.38 kB / 1.024 GB, free: 11.74 MB / 0.7794 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001216/0.8286, allocations: 0.4983 MB / 1.024 GB, free: 11.22 MB / 0.7794 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.951e-05/0.8286, allocations: 4.188 kB / 1.024 GB, free: 11.22 MB / 0.7794 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.852e-05/0.8287, allocations: 23.94 kB / 1.024 GB, free: 11.2 MB / 0.7794 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.577e-05/0.8287, allocations: 8 kB / 1.024 GB, free: 11.19 MB / 0.7794 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001257/0.83, allocations: 421.9 kB / 1.024 GB, free: 10.78 MB / 0.7794 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00203/0.832, allocations: 1.243 MB / 1.026 GB, free: 9.473 MB / 0.7794 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001051/0.8331, allocations: 395.7 kB / 1.026 GB, free: 9.059 MB / 0.7794 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0006358/0.8337, allocations: 218.5 kB / 1.026 GB, free: 8.836 MB / 0.7794 GB
Notification: Performance of preOpt evalFunc (simulation): time 6.6e-05/0.8338, allocations: 19.89 kB / 1.026 GB, free: 8.816 MB / 0.7794 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.076e-05/0.8339, allocations: 38.56 kB / 1.026 GB, free: 8.77 MB / 0.7794 GB
Notification: Performance of pre-optimization done (n=40): time 2.585e-06/0.8339, allocations: 0 / 1.026 GB, free: 8.77 MB / 0.7794 GB
Notification: Performance of matching and sorting (n=40): time 0.002019/0.8359, allocations: 0.5639 MB / 1.027 GB, free: 8.199 MB / 0.7794 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.524e-05/0.836, allocations: 114.7 kB / 1.027 GB, free: 8.062 MB / 0.7794 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003633/0.8364, allocations: 282.8 kB / 1.027 GB, free: 7.777 MB / 0.7794 GB
Notification: Performance of collectPreVariables (initialization): time 4.355e-05/0.8364, allocations: 33.7 kB / 1.027 GB, free: 7.738 MB / 0.7794 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0001817/0.8366, allocations: 220.2 kB / 1.028 GB, free: 7.52 MB / 0.7794 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001266/0.8367, allocations: 118.3 kB / 1.028 GB, free: 7.402 MB / 0.7794 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001634/0.8369, allocations: 90.11 kB / 1.028 GB, free: 7.309 MB / 0.7794 GB
Notification: Performance of setup shared object (initialization): time 0.0001938/0.8371, allocations: 350.8 kB / 1.028 GB, free: 6.957 MB / 0.7794 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005665/0.8377, allocations: 160.7 kB / 1.028 GB, free: 6.801 MB / 0.7794 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006193/0.8383, allocations: 245.7 kB / 1.028 GB, free: 6.523 MB / 0.7794 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001158/0.8395, allocations: 394.5 kB / 1.029 GB, free: 6.105 MB / 0.7794 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.127e-06/0.8395, allocations: 0 / 1.029 GB, free: 6.105 MB / 0.7794 GB
Notification: Performance of matching and sorting (n=48) (initialization): time 0.001339/0.8409, allocations: 462.1 kB / 1.029 GB, free: 5.648 MB / 0.7794 GB
Notification: Performance of prepare postOptimizeDAE: time 2.806e-05/0.8409, allocations: 11.94 kB / 1.029 GB, free: 5.637 MB / 0.7794 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.052e-05/0.8409, allocations: 4 kB / 1.029 GB, free: 5.633 MB / 0.7794 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.266e-05/0.8409, allocations: 4 kB / 1.029 GB, free: 5.629 MB / 0.7794 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005117/0.8415, allocations: 99.78 kB / 1.029 GB, free: 5.531 MB / 0.7794 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.277e-05/0.8415, allocations: 12.19 kB / 1.029 GB, free: 5.52 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003296/0.8418, allocations: 63.64 kB / 1.029 GB, free: 5.457 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.857e-05/0.8419, allocations: 19.98 kB / 1.029 GB, free: 5.438 MB / 0.7794 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 11
 * Number of states: 0 ()
 * Number of discrete variables: 23 (reaToInt2.y,ove.or1.y,ove.forMinFlo1.y,ove.or3.y,ove.forMinFlo.y,ove.forCooMax.y,ove.forZerFlo.y,reaToInt1.y,ove.or2.y,ove.intEqu4.y,ove.intEqu3.y,reaToInt3.y,ove.or4.y,ove.intEqu2.y,ove.intEqu1.y,ove.conInt7.y,ove.conInt6.y,ove.conInt4.y,ove.conInt3.y,ove.conInt5.y,ove.conInt2.y,ove.conInt1.y,ove.conInt.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (48):
 * Single equations (assignments): 48
 * 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 0.0003074/0.8422, allocations: 169.7 kB / 1.03 GB, free: 5.262 MB / 0.7794 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001199/0.8423, allocations: 35.62 kB / 1.03 GB, free: 5.227 MB / 0.7794 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001025/0.8424, allocations: 38.2 kB / 1.03 GB, free: 5.188 MB / 0.7794 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.151e-06/0.8424, allocations: 4 kB / 1.03 GB, free: 5.184 MB / 0.7794 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 8.476e-06/0.8424, allocations: 3.938 kB / 1.03 GB, free: 5.18 MB / 0.7794 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.999e-06/0.8424, allocations: 0 / 1.03 GB, free: 5.18 MB / 0.7794 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007475/0.8432, allocations: 457.1 kB / 1.03 GB, free: 4.684 MB / 0.7794 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.089e-06/0.8432, allocations: 4 kB / 1.03 GB, free: 4.68 MB / 0.7794 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004259/0.8436, allocations: 83.86 kB / 1.03 GB, free: 4.598 MB / 0.7794 GB
Notification: Performance of postOpt tearingSystem (simulation): time 5.52e-06/0.8437, allocations: 0 / 1.03 GB, free: 4.598 MB / 0.7794 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.434e-05/0.8437, allocations: 12 kB / 1.03 GB, free: 4.586 MB / 0.7794 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.915e-06/0.8437, allocations: 3.938 kB / 1.03 GB, free: 4.582 MB / 0.7794 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.292e-06/0.8437, allocations: 7.938 kB / 1.03 GB, free: 4.574 MB / 0.7794 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001411/0.8451, allocations: 0.6532 MB / 1.031 GB, free: 3.906 MB / 0.7794 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001242/0.8453, allocations: 116.6 kB / 1.031 GB, free: 3.773 MB / 0.7794 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.694e-05/0.8453, allocations: 8 kB / 1.031 GB, free: 3.766 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003584/0.8457, allocations: 35.95 kB / 1.031 GB, free: 3.73 MB / 0.7794 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001873/0.8459, allocations: 63.88 kB / 1.031 GB, free: 3.668 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.126e-05/0.8459, allocations: 15.98 kB / 1.031 GB, free: 3.652 MB / 0.7794 GB
Notification: Performance of sorting global known variables: time 0.0002191/0.8462, allocations: 174 kB / 1.031 GB, free: 3.48 MB / 0.7794 GB
Notification: Performance of sort global known variables: time 2.444e-06/0.8462, allocations: 0 / 1.031 GB, free: 3.48 MB / 0.7794 GB
Notification: Performance of remove unused functions: time 0.0005248/0.8467, allocations: 91.53 kB / 1.031 GB, free: 3.391 MB / 0.7794 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 3
 * Number of states: 0 ()
 * Number of discrete variables: 15 (ove.forZerFlo.y,ove.forCooMax.y,ove.forMinFlo.y,ove.or3.y,ove.forMinFlo1.y,ove.or1.y,reaToInt2.y,ove.intEqu3.y,ove.intEqu4.y,ove.or2.y,reaToInt1.y,ove.intEqu1.y,ove.intEqu2.y,ove.or4.y,reaToInt3.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (40):
 * Single equations (assignments): 40
 * 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 Backend phase and start with SimCode phase: time 0.0002591/0.847, allocations: 128.9 kB / 1.031 GB, free: 3.258 MB / 0.7794 GB
Notification: Performance of simCode: created initialization part: time 0.001459/0.8484, allocations: 429.4 kB / 1.032 GB, free: 2.84 MB / 0.7794 GB
Notification: Performance of simCode: created event and clocks part: time 2.906e-06/0.8485, allocations: 4 kB / 1.032 GB, free: 2.836 MB / 0.7794 GB
Notification: Performance of simCode: created simulation system equations: time 0.0006941/0.8492, allocations: 240.3 kB / 1.032 GB, free: 2.602 MB / 0.7794 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006253/0.8498, allocations: 57.92 kB / 1.032 GB, free: 2.547 MB / 0.7794 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001659/0.8515, allocations: 0.8526 MB / 1.033 GB, free: 1.664 MB / 0.7794 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000551/0.852, allocations: 0.8076 MB / 1.034 GB, free: 0.8281 MB / 0.7794 GB
Notification: Performance of simCode: alias equations: time 0.0003098/0.8523, allocations: 54.95 kB / 1.034 GB, free: 0.7734 MB / 0.7794 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001473/0.8525, allocations: 43.42 kB / 1.034 GB, free: 0.7305 MB / 0.7794 GB
Notification: Performance of SimCode: time 2.064e-06/0.8525, allocations: 0 / 1.034 GB, free: 0.7305 MB / 0.7794 GB
Notification: Performance of Templates: time 0.009747/0.8623, allocations: 3.537 MB / 1.037 GB, free: 13.26 MB / 0.795 GB
make -j1 -f Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides.makefile
(rm -f Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides.pipe ; mkfifo Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides.pipe ; head -c 1048576 < Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides.pipe >> ../files/Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides.sim & ./Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides  -abortSlowSimulation -alarm=400  -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides.pipe 2>&1)
diffSimulationResults("Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctSnapActing_Subsequences_Validation_Overrides.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctSnapActing.Subsequences.Validation.Overrides.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001)
Reference file matches