Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.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/ScalableTestSuite 2.2.0-master/package.mo", uses=false) Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/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(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20,tolerance=1e-08,outputFormat="mat",numberOfIntervals=5000,variableFilter="QA.1.|QA.2.|QA.3.|QB.1.|QB.2.|QB.3.|TA.1.|TA.20.|TA.2.|TA.3.|TB.1.|TB.20.|TB.2.|TB.3.|TW.1.|TW.2.|TW.3.|der.TA.20..|der.TA.2..|der.TA.3..|der.TB.20..|der.TB.2..|der.TB.3..|der.TW.1..|der.TW.2..|der.TW.3..|time|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20") translateModel(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20,tolerance=1e-08,outputFormat="mat",numberOfIntervals=5000,variableFilter="QA.1.|QA.2.|QA.3.|QB.1.|QB.2.|QB.3.|TA.1.|TA.20.|TA.2.|TA.3.|TB.1.|TB.20.|TB.2.|TB.3.|TW.1.|TW.2.|TW.3.|der.TA.20..|der.TA.2..|der.TA.3..|der.TB.20..|der.TB.2..|der.TB.3..|der.TW.1..|der.TW.2..|der.TW.3..|time|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001224/0.001224, allocations: 108.7 kB / 16.92 MB, free: 6.145 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001198/0.001198, allocations: 187.4 kB / 17.85 MB, free: 5.285 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.214/1.214, allocations: 222.9 MB / 241.5 MB, free: 15.21 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/package.mo): time 0.8612/0.8612, allocations: 119.3 MB / 411 MB, free: 9.543 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001166/0.001166, allocations: 64.09 kB / 0.4923 GB, free: 12.33 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4302/0.4313, allocations: 80.68 MB / 0.5711 GB, free: 43.77 MB / 462.3 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20): time 0.001984/0.4334, allocations: 1.47 MB / 0.5725 GB, free: 42.59 MB / 462.3 MB Notification: Performance of NFInst.instExpressions: time 0.0002248/0.4336, allocations: 94.66 kB / 0.5726 GB, free: 42.52 MB / 462.3 MB Notification: Performance of NFInst.updateImplicitVariability: time 3.534e-05/0.4337, allocations: 0 / 0.5726 GB, free: 42.52 MB / 462.3 MB Notification: Performance of NFTyping.typeComponents: time 8.848e-05/0.4337, allocations: 8.797 kB / 0.5726 GB, free: 42.51 MB / 462.3 MB Notification: Performance of NFTyping.typeBindings: time 0.0001004/0.4339, allocations: 63.48 kB / 0.5727 GB, free: 42.46 MB / 462.3 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001555/0.434, allocations: 33.39 kB / 0.5727 GB, free: 42.44 MB / 462.3 MB Notification: Performance of NFFlatten.flatten: time 0.0006782/0.4347, allocations: 1.093 MB / 0.5738 GB, free: 41.85 MB / 462.3 MB Notification: Performance of NFFlatten.resolveConnections: time 5.328e-05/0.4348, allocations: 8.219 kB / 0.5738 GB, free: 41.85 MB / 462.3 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002844/0.4351, allocations: 385.2 kB / 0.5742 GB, free: 41.69 MB / 462.3 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0005684/0.4356, allocations: 0.533 MB / 0.5747 GB, free: 41.35 MB / 462.3 MB Notification: Performance of NFPackage.collectConstants: time 0.00014/0.4358, allocations: 61.38 kB / 0.5748 GB, free: 41.35 MB / 462.3 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001568/0.4359, allocations: 61.19 kB / 0.5748 GB, free: 41.35 MB / 462.3 MB Notification: Performance of NFScalarize.scalarize: time 0.0002537/0.4362, allocations: 378.6 kB / 0.5752 GB, free: 41.09 MB / 462.3 MB Notification: Performance of NFVerifyModel.verify: time 0.0003613/0.4366, allocations: 386.2 kB / 0.5755 GB, free: 40.87 MB / 462.3 MB Notification: Performance of NFConvertDAE.convert: time 0.0004525/0.437, allocations: 0.6476 MB / 0.5762 GB, free: 40.5 MB / 462.3 MB Notification: Performance of FrontEnd - DAE generated: time 3.136e-06/0.437, allocations: 3.938 kB / 0.5762 GB, free: 40.5 MB / 462.3 MB Notification: Performance of FrontEnd: time 1.213e-06/0.437, allocations: 0 / 0.5762 GB, free: 40.5 MB / 462.3 MB Notification: Performance of Transformations before backend: time 8.886e-06/0.4371, allocations: 0 / 0.5762 GB, free: 40.5 MB / 462.3 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 138 * Number of variables: 138 Notification: Performance of Generate backend data structure: time 0.004013/0.4411, allocations: 1.433 MB / 0.5776 GB, free: 39.59 MB / 462.3 MB Notification: Performance of prepare preOptimizeDAE: time 4.039e-05/0.4411, allocations: 13.08 kB / 0.5776 GB, free: 39.59 MB / 462.3 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001729/0.4413, allocations: 61.28 kB / 0.5776 GB, free: 39.56 MB / 462.3 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004885/0.4418, allocations: 356 kB / 0.578 GB, free: 39.27 MB / 462.3 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.587e-05/0.4419, allocations: 54.25 kB / 0.578 GB, free: 39.25 MB / 462.3 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001644/0.442, allocations: 102.3 kB / 0.5781 GB, free: 39.21 MB / 462.3 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001215/0.4432, allocations: 0.8814 MB / 0.579 GB, free: 38.7 MB / 462.3 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.36e-05/0.4433, allocations: 1.469 kB / 0.579 GB, free: 38.7 MB / 462.3 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.795e-05/0.4434, allocations: 31.69 kB / 0.579 GB, free: 38.68 MB / 462.3 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.305e-05/0.4434, allocations: 13.41 kB / 0.579 GB, free: 38.68 MB / 462.3 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001107/0.4445, allocations: 0.7716 MB / 0.5798 GB, free: 38.34 MB / 462.3 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005148/0.4496, allocations: 4.317 MB / 0.584 GB, free: 34.64 MB / 462.3 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001327/0.451, allocations: 0.9822 MB / 0.585 GB, free: 34.17 MB / 462.3 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008614/0.4519, allocations: 0.6756 MB / 0.5856 GB, free: 33.83 MB / 462.3 MB Notification: Performance of preOpt evalFunc (simulation): time 7.845e-05/0.452, allocations: 10.16 kB / 0.5856 GB, free: 33.83 MB / 462.3 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.071e-05/0.452, allocations: 51.5 kB / 0.5857 GB, free: 33.77 MB / 462.3 MB Notification: Performance of pre-optimization done (n=99): time 2.685e-06/0.452, allocations: 0 / 0.5857 GB, free: 33.77 MB / 462.3 MB Notification: Performance of matching and sorting (n=99): time 0.002311/0.4543, allocations: 1.661 MB / 0.5873 GB, free: 32.24 MB / 462.3 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.477e-05/0.4543, allocations: 64.41 kB / 0.5874 GB, free: 32.16 MB / 462.3 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 7.855e-05/0.4544, allocations: 141.8 kB / 0.5875 GB, free: 32.02 MB / 462.3 MB Notification: Performance of collectPreVariables (initialization): time 6.656e-05/0.4545, allocations: 49.7 kB / 0.5876 GB, free: 31.96 MB / 462.3 MB Notification: Performance of collectInitialEqns (initialization): time 5.93e-05/0.4546, allocations: 157.8 kB / 0.5877 GB, free: 31.8 MB / 462.3 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001864/0.4548, allocations: 414.1 kB / 0.5881 GB, free: 31.39 MB / 462.3 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002718/0.455, allocations: 227 kB / 0.5883 GB, free: 31.16 MB / 462.3 MB Notification: Performance of setup shared object (initialization): time 6.242e-05/0.4551, allocations: 362.8 kB / 0.5887 GB, free: 30.8 MB / 462.3 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007135/0.4558, allocations: 0.5764 MB / 0.5892 GB, free: 30.22 MB / 462.3 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007496/0.4566, allocations: 0.6638 MB / 0.5899 GB, free: 29.55 MB / 462.3 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001477/0.4581, allocations: 1.266 MB / 0.5911 GB, free: 28.29 MB / 462.3 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.767e-06/0.4581, allocations: 8 kB / 0.5911 GB, free: 28.28 MB / 462.3 MB Notification: Performance of matching and sorting (n=157) (initialization): time 0.001831/0.4599, allocations: 1.469 MB / 0.5926 GB, free: 26.8 MB / 462.3 MB Notification: Performance of prepare postOptimizeDAE: time 1.656e-05/0.4599, allocations: 11.94 kB / 0.5926 GB, free: 26.79 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.373e-06/0.46, allocations: 0 / 0.5926 GB, free: 26.79 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.759e-05/0.46, allocations: 4 kB / 0.5926 GB, free: 26.79 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001961/0.4619, allocations: 0.5385 MB / 0.5931 GB, free: 26.25 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.211e-05/0.462, allocations: 4 kB / 0.5931 GB, free: 26.25 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007114/0.4627, allocations: 115 kB / 0.5932 GB, free: 26.13 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.078e-05/0.4628, allocations: 36 kB / 0.5932 GB, free: 26.1 MB / 462.3 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 2 * 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 (157): * Single equations (assignments): 157 * 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 0.0002522/0.463, allocations: 221.5 kB / 0.5935 GB, free: 25.87 MB / 462.3 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001255/0.4631, allocations: 43.47 kB / 0.5935 GB, free: 25.83 MB / 462.3 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003253/0.4635, allocations: 156 kB / 0.5936 GB, free: 25.67 MB / 462.3 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.671e-06/0.4635, allocations: 8 kB / 0.5936 GB, free: 25.66 MB / 462.3 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.333e-06/0.4635, allocations: 0 / 0.5936 GB, free: 25.66 MB / 462.3 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.793e-06/0.4635, allocations: 3.984 kB / 0.5937 GB, free: 25.66 MB / 462.3 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007768/0.4643, allocations: 0.7902 MB / 0.5944 GB, free: 24.82 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.264e-06/0.4643, allocations: 0 / 0.5944 GB, free: 24.82 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002393/0.4667, allocations: 0.5308 MB / 0.5949 GB, free: 24.29 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (simulation): time 5.229e-06/0.4667, allocations: 7.938 kB / 0.595 GB, free: 24.29 MB / 462.3 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.178e-05/0.4668, allocations: 47.94 kB / 0.595 GB, free: 24.24 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.807e-06/0.4668, allocations: 11.88 kB / 0.595 GB, free: 24.23 MB / 462.3 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.362e-06/0.4668, allocations: 0 / 0.595 GB, free: 24.23 MB / 462.3 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002272/0.4691, allocations: 1.96 MB / 0.5969 GB, free: 22.25 MB / 462.3 MB Notification: Performance of postOpt removeConstants (simulation): time 5.059e-05/0.4692, allocations: 128.4 kB / 0.597 GB, free: 22.11 MB / 462.3 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001236/0.4693, allocations: 39.97 kB / 0.5971 GB, free: 22.07 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006811/0.47, allocations: 55.94 kB / 0.5971 GB, free: 22.02 MB / 462.3 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001773/0.4702, allocations: 56.91 kB / 0.5972 GB, free: 21.96 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.172e-05/0.4702, allocations: 24 kB / 0.5972 GB, free: 21.93 MB / 462.3 MB Notification: Performance of sorting global known variables: time 4.282e-05/0.4703, allocations: 95.83 kB / 0.5973 GB, free: 21.84 MB / 462.3 MB Notification: Performance of sort global known variables: time 6.61e-07/0.4703, allocations: 0 / 0.5973 GB, free: 21.84 MB / 462.3 MB Notification: Performance of remove unused functions: time 0.0005405/0.4708, allocations: 315.7 kB / 0.5976 GB, free: 21.53 MB / 462.3 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 57 (TAtilde[1],TAtilde[2],TAtilde[3],TAtilde[4],TAtilde[5],TAtilde[6],TAtilde[7],TAtilde[8],TAtilde[9],TAtilde[10],TAtilde[11],TAtilde[12],TAtilde[13],TAtilde[14],TAtilde[15],TAtilde[16],TAtilde[17],TAtilde[18],TAtilde[19],TBtilde[1],TBtilde[2],TBtilde[3],TBtilde[4],TBtilde[5],TBtilde[6],TBtilde[7],TBtilde[8],TBtilde[9],TBtilde[10],TBtilde[11],TBtilde[12],TBtilde[13],TBtilde[14],TBtilde[15],TBtilde[16],TBtilde[17],TBtilde[18],TBtilde[19],TW[1],TW[2],TW[3],TW[4],TW[5],TW[6],TW[7],TW[8],TW[9],TW[10],TW[11],TW[12],TW[13],TW[14],TW[15],TW[16],TW[17],TW[18],TW[19]) * 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 (99): * Single equations (assignments): 99 * 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 0.000159/0.471, allocations: 158.2 kB / 0.5978 GB, free: 21.37 MB / 462.3 MB Notification: Performance of simCode: created initialization part: time 0.002302/0.4733, allocations: 1.955 MB / 0.5997 GB, free: 19.41 MB / 462.3 MB Notification: Performance of simCode: created event and clocks part: time 2.023e-06/0.4733, allocations: 0 / 0.5997 GB, free: 19.41 MB / 462.3 MB Notification: Performance of simCode: created simulation system equations: time 0.0007332/0.474, allocations: 0.6615 MB / 0.6003 GB, free: 18.75 MB / 462.3 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005795/0.4746, allocations: 139.8 kB / 0.6004 GB, free: 18.61 MB / 462.3 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004797/0.4794, allocations: 4.625 MB / 0.605 GB, free: 13.95 MB / 462.3 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002296/0.4797, allocations: 0.9191 MB / 0.6059 GB, free: 13.01 MB / 462.3 MB Notification: Performance of simCode: alias equations: time 0.0008883/0.4806, allocations: 392.5 kB / 0.6062 GB, free: 12.62 MB / 462.3 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003249/0.4809, allocations: 51.44 kB / 0.6063 GB, free: 12.57 MB / 462.3 MB Notification: Performance of SimCode: time 3.81e-07/0.4809, allocations: 0 / 0.6063 GB, free: 12.57 MB / 462.3 MB Notification: Performance of Templates: time 0.01219/0.4931, allocations: 10.87 MB / 0.6169 GB, free: 1.84 MB / 462.3 MB make -j1 -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.makefile (rm -f ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.pipe ; mkfifo ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.pipe ; head -c 1048576 < ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.pipe >> ../files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.sim & ./ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20 -s=ida -abortSlowSimulation -alarm=300 -emit_protected -lv LOG_STATS > ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.pipe 2>&1) diffSimulationResults("ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ScalableTestSuite_noopt_ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_20.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches