Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.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 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|indTanHex.vol.1..T|indTanHex.vol.2..T|indTanHex.vol.3..T",fileNamePrefix="Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger") translateModel(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|indTanHex.vol.1..T|indTanHex.vol.2..T|indTanHex.vol.3..T",fileNamePrefix="Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001749/0.001749, allocations: 104.9 kB / 16.27 MB, free: 6.414 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00206/0.00206, allocations: 189.8 kB / 17.2 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.362/1.362, allocations: 222.9 MB / 240.9 MB, free: 15.25 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.536/2.536, allocations: 469.4 MB / 0.7427 GB, free: 3.633 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001299/0.001299, allocations: 63.78 kB / 0.9088 GB, free: 14.14 MB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.31/0.3114, allocations: 159.1 MB / 1.064 GB, free: 15.03 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger): time 0.5521/0.8635, allocations: 28.6 MB / 1.092 GB, free: 7.832 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01159/0.8751, allocations: 7.894 MB / 1.1 GB, free: 2.57 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00219/0.8773, allocations: 34.91 kB / 1.1 GB, free: 2.559 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.00147/0.8789, allocations: 416.7 kB / 1.1 GB, free: 2.297 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.003695/0.8826, allocations: 1.008 MB / 1.101 GB, free: 1.688 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.003696/0.8863, allocations: 1.072 MB / 1.102 GB, free: 1.129 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.008803/0.8952, allocations: 4.915 MB / 1.107 GB, free: 14.77 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004481/0.8997, allocations: 2.282 MB / 1.109 GB, free: 13.82 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005909/0.9056, allocations: 1.783 MB / 1.111 GB, free: 13.02 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00382/0.9095, allocations: 1.448 MB / 1.112 GB, free: 12.36 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.001195/0.9107, allocations: 229.2 kB / 1.113 GB, free: 12.36 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004918/0.9156, allocations: 1.315 MB / 1.114 GB, free: 11.98 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.001499/0.9172, allocations: 0.5517 MB / 1.115 GB, free: 11.64 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.004001/0.9212, allocations: 1.156 MB / 1.116 GB, free: 10.94 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.006988/0.9282, allocations: 3.644 MB / 1.119 GB, free: 9.676 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 5.8e-06/0.9282, allocations: 0 / 1.119 GB, free: 9.676 MB / 0.8575 GB Notification: Performance of FrontEnd: time 3.547e-06/0.9282, allocations: 5.375 kB / 1.119 GB, free: 9.672 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 0.0001004/0.9283, allocations: 3.938 kB / 1.119 GB, free: 9.668 MB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 348 * Number of variables: 348 Notification: Performance of Generate backend data structure: time 0.00739/0.9357, allocations: 2.558 MB / 1.122 GB, free: 8.219 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 4.913e-05/0.9358, allocations: 10.09 kB / 1.122 GB, free: 8.219 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00112/0.9369, allocations: 242.6 kB / 1.122 GB, free: 8.105 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003576/0.9405, allocations: 1.718 MB / 1.124 GB, free: 7.18 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001099/0.9407, allocations: 115.2 kB / 1.124 GB, free: 7.125 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003275/0.941, allocations: 153.6 kB / 1.124 GB, free: 7.074 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004043/0.945, allocations: 1.992 MB / 1.126 GB, free: 6.27 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.281e-05/0.9451, allocations: 6.594 kB / 1.126 GB, free: 6.266 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001634/0.9453, allocations: 53.91 kB / 1.126 GB, free: 6.227 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.309e-05/0.9454, allocations: 49 kB / 1.126 GB, free: 6.215 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003451/0.9488, allocations: 1.794 MB / 1.128 GB, free: 5.633 MB / 0.8575 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01454/0.9634, allocations: 7.653 MB / 1.135 GB, free: 1.188 MB / 0.8575 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002215/0.9656, allocations: 1.445 MB / 1.137 GB, free: 0.5859 MB / 0.8575 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009976/0.9666, allocations: 0.6639 MB / 1.137 GB, free: 360 kB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 0.007491/0.9741, allocations: 3.846 MB / 1.141 GB, free: 13.8 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.072e-05/0.9742, allocations: 49.3 kB / 1.141 GB, free: 13.75 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=88): time 2.494e-06/0.9742, allocations: 0 / 1.141 GB, free: 13.75 MB / 0.8731 GB Notification: Performance of matching and sorting (n=88): time 0.003238/0.9775, allocations: 1.511 MB / 1.143 GB, free: 12.99 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.579e-05/0.9775, allocations: 61.5 kB / 1.143 GB, free: 12.93 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002945/0.9805, allocations: 1.644 MB / 1.144 GB, free: 12.04 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0002316/0.9807, allocations: 52.58 kB / 1.144 GB, free: 11.99 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008084/0.9816, allocations: 0.758 MB / 1.145 GB, free: 11.33 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004313/0.982, allocations: 316.1 kB / 1.145 GB, free: 11.05 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004957/0.9825, allocations: 289.6 kB / 1.146 GB, free: 10.9 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001707/0.9827, allocations: 362.5 kB / 1.146 GB, free: 10.55 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001196/0.9839, allocations: 0.6975 MB / 1.147 GB, free: 10.18 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001451/0.9853, allocations: 1.025 MB / 1.148 GB, free: 9.414 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002361/0.9877, allocations: 1.62 MB / 1.149 GB, free: 8.336 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.015e-06/0.9877, allocations: 3 kB / 1.149 GB, free: 8.336 MB / 0.8731 GB Notification: Performance of matching and sorting (n=175) (initialization): time 0.003583/0.9913, allocations: 1.955 MB / 1.151 GB, free: 7.332 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 3.002e-05/0.9914, allocations: 13.19 kB / 1.151 GB, free: 7.328 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.742e-05/0.9914, allocations: 8.281 kB / 1.151 GB, free: 7.328 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.579e-05/0.9914, allocations: 16.28 kB / 1.151 GB, free: 7.328 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001254/0.9927, allocations: 334.8 kB / 1.151 GB, free: 7.246 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.514e-05/0.9927, allocations: 20.03 kB / 1.151 GB, free: 7.242 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001539/0.9943, allocations: 200.2 kB / 1.152 GB, free: 7.105 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001373/0.9944, allocations: 64.61 kB / 1.152 GB, free: 7.086 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002151/0.9966, allocations: 1.285 MB / 1.153 GB, free: 6.348 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001314/0.9979, allocations: 1.021 MB / 1.154 GB, free: 5.59 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002231/1, allocations: 1.618 MB / 1.156 GB, free: 4.516 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.845e-06/1, allocations: 7.406 kB / 1.156 GB, free: 4.512 MB / 0.8731 GB Notification: Performance of matching and sorting (n=175) (initialization_lambda0): time 0.00369/1.004, allocations: 1.949 MB / 1.157 GB, free: 3.512 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 2.371e-05/1.004, allocations: 8.125 kB / 1.157 GB, free: 3.512 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.526e-05/1.004, allocations: 8.969 kB / 1.157 GB, free: 3.512 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.909e-05/1.004, allocations: 17.31 kB / 1.157 GB, free: 3.512 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001268/1.005, allocations: 339.4 kB / 1.158 GB, free: 3.426 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.398e-05/1.005, allocations: 19.41 kB / 1.158 GB, free: 3.422 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001472/1.007, allocations: 153.5 kB / 1.158 GB, free: 3.32 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001201/1.007, allocations: 57.2 kB / 1.158 GB, free: 3.309 MB / 0.8731 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 40 * 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 (175): * Single equations (assignments): 175 * 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 0.0004159/1.007, allocations: 261 kB / 1.158 GB, free: 3.062 MB / 0.8731 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003545/1.008, allocations: 154.2 kB / 1.158 GB, free: 2.98 MB / 0.8731 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002204/1.01, allocations: 1.279 MB / 1.16 GB, free: 2.254 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.056e-05/1.01, allocations: 8.438 kB / 1.16 GB, free: 2.254 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.662e-06/1.01, allocations: 1.125 kB / 1.16 GB, free: 2.254 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001559/1.011, allocations: 1.29 MB / 1.161 GB, free: 1.352 MB / 0.8731 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004827/1.016, allocations: 2.955 MB / 1.164 GB, free: 15.45 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.652e-06/1.016, allocations: 2.062 kB / 1.164 GB, free: 15.45 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007781/1.017, allocations: 188.6 kB / 1.164 GB, free: 15.4 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.117e-06/1.017, allocations: 4.656 kB / 1.164 GB, free: 15.4 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.087e-05/1.017, allocations: 24.61 kB / 1.164 GB, free: 15.39 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.983e-06/1.017, allocations: 3.781 kB / 1.164 GB, free: 15.39 MB / 0.8887 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.639e-06/1.017, allocations: 5.531 kB / 1.164 GB, free: 15.38 MB / 0.8887 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002857/1.02, allocations: 1.927 MB / 1.166 GB, free: 14.27 MB / 0.8887 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009037/1.021, allocations: 395.5 kB / 1.166 GB, free: 13.98 MB / 0.8887 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000231/1.021, allocations: 32.55 kB / 1.166 GB, free: 13.95 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007725/1.022, allocations: 46.98 kB / 1.166 GB, free: 13.93 MB / 0.8887 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001086/1.022, allocations: 53.42 kB / 1.166 GB, free: 13.9 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.615e-05/1.022, allocations: 38.72 kB / 1.166 GB, free: 13.88 MB / 0.8887 GB Notification: Performance of sorting global known variables: time 0.00176/1.024, allocations: 1.237 MB / 1.168 GB, free: 13.22 MB / 0.8887 GB Notification: Performance of sort global known variables: time 3.21e-07/1.024, allocations: 0 / 1.168 GB, free: 13.22 MB / 0.8887 GB Notification: Performance of remove unused functions: time 0.002787/1.027, allocations: 0.9159 MB / 1.169 GB, free: 13.04 MB / 0.8887 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 6 (indTanHex.vol[1].dynBal.U,indTanHex.vol[2].dynBal.U,indTanHex.vol[3].dynBal.U,indTanHex.cap[1].T,indTanHex.cap[2].T,indTanHex.cap[3].T) * 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 (89): * Single equations (assignments): 87 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 0.000938/1.028, allocations: 379.5 kB / 1.169 GB, free: 12.76 MB / 0.8887 GB Notification: Performance of simCode: created initialization part: time 0.004505/1.032, allocations: 2.825 MB / 1.172 GB, free: 9.941 MB / 0.8887 GB Notification: Performance of simCode: created event and clocks part: time 6.933e-06/1.032, allocations: 0 / 1.172 GB, free: 9.941 MB / 0.8887 GB Notification: Performance of simCode: created simulation system equations: time 0.0007106/1.033, allocations: 0.5247 MB / 1.172 GB, free: 9.414 MB / 0.8887 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004057/1.037, allocations: 0.9225 MB / 1.173 GB, free: 8.527 MB / 0.8887 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005681/1.043, allocations: 3.68 MB / 1.177 GB, free: 4.797 MB / 0.8887 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001223/1.044, allocations: 1.634 MB / 1.178 GB, free: 3.133 MB / 0.8887 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006311/1.045, allocations: 147.4 kB / 1.178 GB, free: 2.988 MB / 0.8887 GB Notification: Performance of SimCode: time 1.102e-06/1.045, allocations: 0 / 1.178 GB, free: 2.988 MB / 0.8887 GB Notification: Performance of Templates: time 0.05405/1.099, allocations: 32.62 MB / 1.21 GB, free: 2.562 MB / 0.92 GB make -j1 -f Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.makefile (rm -f Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe >> ../files/Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.sim & ./Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Storage_BaseClasses_Examples_IndirectTankHeatExchanger.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches