Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6.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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.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.Fluid.Examples.FlowSystem.Simplified6,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6") translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified6,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001056/0.001056, allocations: 91.69 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001438/0.001438, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.392/1.392, allocations: 223.3 MB / 240 MB, free: 5.223 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.494/2.494, allocations: 390.9 MB / 0.666 GB, free: 2.387 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.0003705/0.0003706, allocations: 11.98 kB / 0.8153 GB, free: 13.6 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7306/0.7309, allocations: 142.4 MB / 0.9544 GB, free: 7.781 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified6): time 0.9515/1.682, allocations: 328.7 MB / 1.275 GB, free: 67.75 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.09771/1.78, allocations: 68.66 MB / 1.343 GB, free: 66.64 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01809/1.798, allocations: 362.6 kB / 1.343 GB, free: 66.64 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.01387/1.812, allocations: 3.146 MB / 1.346 GB, free: 66.59 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.03502/1.847, allocations: 8.902 MB / 1.355 GB, free: 66.14 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.02157/1.869, allocations: 6.036 MB / 1.361 GB, free: 65.77 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.04516/1.914, allocations: 32.8 MB / 1.393 GB, free: 55.39 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02672/1.941, allocations: 13.13 MB / 1.405 GB, free: 48.86 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.02857/1.969, allocations: 10.2 MB / 1.415 GB, free: 39.05 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01968/1.989, allocations: 9.111 MB / 1.424 GB, free: 30.63 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.006703/1.996, allocations: 0.4961 MB / 1.425 GB, free: 30.13 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02404/2.02, allocations: 2.87 MB / 1.428 GB, free: 27.34 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.008753/2.029, allocations: 2.904 MB / 1.43 GB, free: 24.51 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.01128/2.04, allocations: 2.654 MB / 1.433 GB, free: 21.84 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.02766/2.068, allocations: 14.6 MB / 1.447 GB, free: 7.883 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 8.185e-06/2.068, allocations: 0 / 1.447 GB, free: 7.883 MB / 0.9981 GB Notification: Performance of FrontEnd: time 3.988e-06/2.068, allocations: 0 / 1.447 GB, free: 7.883 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0009299/2.069, allocations: 0 / 1.447 GB, free: 7.883 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1521 * Number of variables: 1521 Notification: Performance of Generate backend data structure: time 0.04184/2.111, allocations: 13.92 MB / 1.461 GB, free: 10.02 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 5.37e-05/2.111, allocations: 16.02 kB / 1.461 GB, free: 10 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01251/2.123, allocations: 2.582 MB / 1.463 GB, free: 7.398 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.03279/2.156, allocations: 11.28 MB / 1.474 GB, free: 12.4 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001881/2.158, allocations: 0.7834 MB / 1.475 GB, free: 11.61 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003255/2.161, allocations: 0.6912 MB / 1.476 GB, free: 10.93 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02716/2.189, allocations: 9.051 MB / 1.485 GB, free: 1.551 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003163/2.189, allocations: 23.81 kB / 1.485 GB, free: 1.527 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002367/2.191, allocations: 252 kB / 1.485 GB, free: 1.281 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002159/2.192, allocations: 157.5 kB / 1.485 GB, free: 1.133 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02129/2.213, allocations: 7.607 MB / 1.492 GB, free: 9.512 MB / 1.045 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 0.09287/2.306, allocations: 50.8 MB / 1.542 GB, free: 3.656 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0114/2.317, allocations: 5.718 MB / 1.548 GB, free: 14.16 MB / 1.107 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007495/2.325, allocations: 4.081 MB / 1.552 GB, free: 10.11 MB / 1.107 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 evalFunc (simulation): time 0.03537/2.36, allocations: 13.58 MB / 1.565 GB, free: 12.38 MB / 1.123 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.007592/2.368, allocations: 3.819 MB / 1.569 GB, free: 8.52 MB / 1.123 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.009998/2.378, allocations: 1.865 MB / 1.57 GB, free: 6.656 MB / 1.123 GB Notification: Performance of pre-optimization done (n=320): time 1.674e-05/2.378, allocations: 0 / 1.57 GB, free: 6.656 MB / 1.123 GB Notification: Performance of matching and sorting (n=506): time 0.2011/2.579, allocations: 54.08 MB / 1.623 GB, free: 15.76 MB / 1.186 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.112e-05/2.579, allocations: 107.4 kB / 1.623 GB, free: 15.64 MB / 1.186 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02752/2.607, allocations: 12.7 MB / 1.636 GB, free: 3.008 MB / 1.186 GB Notification: Performance of collectPreVariables (initialization): time 0.001938/2.609, allocations: 167.1 kB / 1.636 GB, free: 2.844 MB / 1.186 GB Notification: Performance of collectInitialEqns (initialization): time 0.008185/2.617, allocations: 6.207 MB / 1.642 GB, free: 12.75 MB / 1.201 GB Notification: Performance of collectInitialBindings (initialization): time 0.002966/2.62, allocations: 1.705 MB / 1.644 GB, free: 11.05 MB / 1.201 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001401/2.621, allocations: 144 kB / 1.644 GB, free: 10.91 MB / 1.201 GB Notification: Performance of setup shared object (initialization): time 0.0005013/2.622, allocations: 0.5925 MB / 1.644 GB, free: 10.32 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01129/2.633, allocations: 5.247 MB / 1.649 GB, free: 5.066 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01391/2.647, allocations: 7.893 MB / 1.657 GB, free: 12.04 MB / 1.217 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01323/2.66, allocations: 5.952 MB / 1.663 GB, free: 6.059 MB / 1.217 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.547e-05/2.66, allocations: 20 kB / 1.663 GB, free: 6.039 MB / 1.217 GB Notification: Performance of matching and sorting (n=953) (initialization): time 0.04889/2.709, allocations: 17.38 MB / 1.68 GB, free: 4.586 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 0.001776/2.711, allocations: 1.937 MB / 1.682 GB, free: 1.809 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001501/2.711, allocations: 60 kB / 1.682 GB, free: 1.75 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01561/2.727, allocations: 4.648 MB / 1.686 GB, free: 13.12 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01188/2.739, allocations: 2.071 MB / 1.689 GB, free: 11.05 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01593/2.755, allocations: 10.9 MB / 1.699 GB, free: 0 / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01714/2.772, allocations: 1.253 MB / 1.7 GB, free: 14.75 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002508/2.775, allocations: 474.5 kB / 1.701 GB, free: 14.29 MB / 1.264 GB Notification: Performance of prepare postOptimizeDAE: time 1.558e-05/2.775, allocations: 4 kB / 1.701 GB, free: 14.29 MB / 1.264 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 1.212/3.987, allocations: 16.27 MB / 1.717 GB, free: 497.2 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001754/3.987, allocations: 59.62 kB / 1.717 GB, free: 497.2 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01356/4, allocations: 4.379 MB / 1.721 GB, free: 497.1 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01079/4.011, allocations: 2.054 MB / 1.723 GB, free: 497.1 MB / 1.264 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02287/4.034, allocations: 15.06 MB / 1.738 GB, free: 492 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01393/4.048, allocations: 1.247 MB / 1.739 GB, free: 491.9 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001792/4.05, allocations: 433.5 kB / 1.739 GB, free: 491.8 MB / 1.264 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 269 * Number of states: 0 () * Number of discrete variables: 10 ($whenCondition1,$whenCondition2,stepPump.y,$PRE.stepPump.pulseStart,stepPump.pulseStart,pumpHea.stage,$PRE.stepValve.T_start,stepValve.T_start,$PRE.stepValve.count,stepValve.count) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (748): * Single equations (assignments): 735 * Array equations: 4 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 6 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 6 {1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {5 80,7 78} Notification: Performance of prepare postOptimizeDAE: time 0.007391/4.057, allocations: 3.127 MB / 1.742 GB, free: 490.5 MB / 1.264 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00306/4.06, allocations: 1.207 MB / 1.744 GB, free: 490.5 MB / 1.264 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.03049/4.091, allocations: 15.16 MB / 1.758 GB, free: 485.8 MB / 1.264 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.018e-05/4.091, allocations: 68.27 kB / 1.759 GB, free: 485.8 MB / 1.264 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.193e-05/4.091, allocations: 5.25 kB / 1.759 GB, free: 485.8 MB / 1.264 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.02295/4.114, allocations: 12.46 MB / 1.771 GB, free: 479.7 MB / 1.264 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 postOpt removeSimpleEquations (simulation): time 0.04476/4.159, allocations: 26.64 MB / 1.797 GB, free: 462.6 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.026e-05/4.159, allocations: 8 kB / 1.797 GB, free: 462.6 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006118/4.165, allocations: 1.272 MB / 1.798 GB, free: 461.3 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.009006/4.174, allocations: 3.275 MB / 1.801 GB, free: 458.1 MB / 1.264 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001082/4.175, allocations: 173.5 kB / 1.801 GB, free: 458 MB / 1.264 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.008001/4.183, allocations: 9.58 MB / 1.811 GB, free: 448.3 MB / 1.264 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.769e-06/4.183, allocations: 15.98 kB / 1.811 GB, free: 448.3 MB / 1.264 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03761/4.221, allocations: 20.49 MB / 1.831 GB, free: 428.3 MB / 1.264 GB Notification: Performance of postOpt removeConstants (simulation): time 0.007677/4.228, allocations: 2.342 MB / 1.833 GB, free: 426 MB / 1.264 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.005152/4.234, allocations: 108 kB / 1.833 GB, free: 425.9 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01149/4.245, allocations: 1.069 MB / 1.834 GB, free: 424.8 MB / 1.264 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001246/4.246, allocations: 407.5 kB / 1.835 GB, free: 424.4 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001033/4.247, allocations: 243.8 kB / 1.835 GB, free: 424.2 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.01569/4.263, allocations: 8.575 MB / 1.843 GB, free: 415.6 MB / 1.264 GB Notification: Performance of sort global known variables: time 6.52e-07/4.263, allocations: 0 / 1.843 GB, free: 415.6 MB / 1.264 GB Notification: Performance of remove unused functions: time 0.03077/4.294, allocations: 5.467 MB / 1.848 GB, free: 410.3 MB / 1.264 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 28 * Number of states: 3 (valSouth.vol.dynBal.U,valNorth.vol.dynBal.U,heater.outCon.T) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (441): * Single equations (assignments): 420 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (linear and non-linear blocks): 5 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 5 {1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 3 {9 78,1 1,8 77} Notification: Performance of Backend phase and start with SimCode phase: time 0.003347/4.297, allocations: 1.261 MB / 1.85 GB, free: 409.2 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.04179/4.339, allocations: 20.22 MB / 1.869 GB, free: 388.9 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 1.568e-05/4.339, allocations: 0 / 1.869 GB, free: 388.9 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.01172/4.351, allocations: 5.768 MB / 1.875 GB, free: 383.1 MB / 1.264 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02884/4.38, allocations: 5.988 MB / 1.881 GB, free: 377.3 MB / 1.264 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04446/4.424, allocations: 28.43 MB / 1.909 GB, free: 348.8 MB / 1.264 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00784/4.432, allocations: 6.871 MB / 1.915 GB, free: 341.8 MB / 1.264 GB Notification: Performance of simCode: alias equations: time 0.01682/4.449, allocations: 3.853 MB / 1.919 GB, free: 338 MB / 1.264 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00318/4.452, allocations: 0.9169 MB / 1.92 GB, free: 337.1 MB / 1.264 GB Notification: Performance of SimCode: time 8.12e-07/4.452, allocations: 4 kB / 1.92 GB, free: 337.1 MB / 1.264 GB Notification: Performance of Templates: time 0.3299/4.782, allocations: 248.6 MB / 2.163 GB, free: 90.64 MB / 1.264 GB make -j1 -f Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6.makefile (rm -f Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6.pipe ; mkfifo Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6.pipe >> ../files/Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6.sim & ./Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6 -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Fluid_Examples_FlowSystem_Simplified6.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Fluid.Examples.FlowSystem.Simplified6.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches