Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil.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 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|preHeatCoil.TAirSup|preHeatCoil.TSupSetHea|preHeatCoil.TMix|preHeatCoil.yPum|preHeatCoil.yVal",fileNamePrefix="Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil") translateModel(Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|preHeatCoil.TAirSup|preHeatCoil.TSupSetHea|preHeatCoil.TMix|preHeatCoil.yPum|preHeatCoil.yVal",fileNamePrefix="Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004831/0.004831, allocations: 102.6 kB / 15.74 MB, free: 6.039 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001117/0.001117, allocations: 195.9 kB / 16.67 MB, free: 5.961 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.43/1.43, allocations: 222.9 MB / 240.4 MB, free: 4.316 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.826/2.826, allocations: 469.8 MB / 0.7425 GB, free: 7.375 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001342/0.001342, allocations: 59.89 kB / 1.065 GB, free: 13.1 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3254/0.3268, allocations: 159.1 MB / 1.221 GB, free: 13.85 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil): time 0.005317/0.3321, allocations: 2.955 MB / 1.223 GB, free: 10.88 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.00298/0.3351, allocations: 1.103 MB / 1.225 GB, free: 9.77 MB / 0.9825 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005627/0.3356, allocations: 19.88 kB / 1.225 GB, free: 9.75 MB / 0.9825 GB Notification: Performance of NFTyping.typeComponents: time 0.0003967/0.336, allocations: 79.19 kB / 1.225 GB, free: 9.672 MB / 0.9825 GB Notification: Performance of NFTyping.typeBindings: time 0.0003779/0.3364, allocations: 87.19 kB / 1.225 GB, free: 9.586 MB / 0.9825 GB Notification: Performance of NFTyping.typeClassSections: time 0.001054/0.3375, allocations: 335.5 kB / 1.225 GB, free: 9.258 MB / 0.9825 GB Notification: Performance of NFFlatten.flatten: time 0.001079/0.3385, allocations: 0.7185 MB / 1.226 GB, free: 8.535 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007189/0.3393, allocations: 408.4 kB / 1.226 GB, free: 8.125 MB / 0.9825 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003823/0.3396, allocations: 247.1 kB / 1.226 GB, free: 7.883 MB / 0.9825 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003599/0.34, allocations: 246.8 kB / 1.227 GB, free: 7.641 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.0001326/0.3401, allocations: 72 kB / 1.227 GB, free: 7.57 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001661/0.3403, allocations: 79.98 kB / 1.227 GB, free: 7.492 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.0001407/0.3404, allocations: 139.6 kB / 1.227 GB, free: 7.355 MB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.0003688/0.3408, allocations: 286.5 kB / 1.227 GB, free: 7.074 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.0008663/0.3417, allocations: 0.751 MB / 1.228 GB, free: 6.32 MB / 0.9825 GB Notification: Performance of FrontEnd - DAE generated: time 4.97e-06/0.3417, allocations: 4 kB / 1.228 GB, free: 6.316 MB / 0.9825 GB Notification: Performance of FrontEnd: time 1.472e-06/0.3417, allocations: 0 / 1.228 GB, free: 6.316 MB / 0.9825 GB Notification: Performance of Transformations before backend: time 2.489e-05/0.3417, allocations: 0 / 1.228 GB, free: 6.316 MB / 0.9825 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 113 * Number of variables: 113 Notification: Performance of Generate backend data structure: time 0.001737/0.3434, allocations: 0.8942 MB / 1.229 GB, free: 5.363 MB / 0.9825 GB Notification: Performance of prepare preOptimizeDAE: time 3.656e-05/0.3435, allocations: 8.031 kB / 1.229 GB, free: 5.355 MB / 0.9825 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001169/0.3436, allocations: 60.56 kB / 1.229 GB, free: 5.297 MB / 0.9825 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007127/0.3443, allocations: 460.8 kB / 1.229 GB, free: 4.809 MB / 0.9825 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.906e-05/0.3444, allocations: 41.38 kB / 1.229 GB, free: 4.77 MB / 0.9825 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.111e-05/0.3444, allocations: 52.36 kB / 1.229 GB, free: 4.719 MB / 0.9825 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009847/0.3454, allocations: 0.5316 MB / 1.23 GB, free: 4.16 MB / 0.9825 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.628e-05/0.3454, allocations: 3.984 kB / 1.23 GB, free: 4.156 MB / 0.9825 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.692e-05/0.3455, allocations: 20 kB / 1.23 GB, free: 4.137 MB / 0.9825 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.486e-05/0.3455, allocations: 12 kB / 1.23 GB, free: 4.125 MB / 0.9825 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009768/0.3465, allocations: 399.6 kB / 1.23 GB, free: 3.73 MB / 0.9825 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002539/0.349, allocations: 1.833 MB / 1.232 GB, free: 1.82 MB / 0.9825 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00101/0.35, allocations: 346 kB / 1.232 GB, free: 1.465 MB / 0.9825 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004167/0.3504, allocations: 157.6 kB / 1.233 GB, free: 1.305 MB / 0.9825 GB Notification: Performance of preOpt evalFunc (simulation): time 3.519e-05/0.3505, allocations: 7.938 kB / 1.233 GB, free: 1.297 MB / 0.9825 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005656/0.351, allocations: 254.4 kB / 1.233 GB, free: 1.027 MB / 0.9825 GB Notification: Performance of pre-optimization done (n=35): time 1.913e-06/0.351, allocations: 0 / 1.233 GB, free: 1.027 MB / 0.9825 GB Notification: Performance of matching and sorting (n=35): time 0.00131/0.3524, allocations: 488.2 kB / 1.233 GB, free: 0.5469 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.671e-05/0.3524, allocations: 85.11 kB / 1.233 GB, free: 456 kB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005576/0.353, allocations: 409.5 kB / 1.234 GB, free: 36 kB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 7.2e-05/0.353, allocations: 41.75 kB / 1.234 GB, free: 15.98 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001951/0.3532, allocations: 252.6 kB / 1.234 GB, free: 15.74 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001032/0.3533, allocations: 107.2 kB / 1.234 GB, free: 15.63 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001895/0.3535, allocations: 106.2 kB / 1.234 GB, free: 15.52 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 0.0002048/0.3537, allocations: 358.8 kB / 1.235 GB, free: 15.16 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004929/0.3542, allocations: 157.1 kB / 1.235 GB, free: 15.01 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006326/0.3549, allocations: 257.9 kB / 1.235 GB, free: 14.71 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008582/0.3557, allocations: 415.4 kB / 1.235 GB, free: 14.26 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.787e-06/0.3557, allocations: 0 / 1.235 GB, free: 14.26 MB / 0.9981 GB Notification: Performance of matching and sorting (n=60) (initialization): time 0.001132/0.3568, allocations: 0.5187 MB / 1.236 GB, free: 13.73 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.593e-05/0.3569, allocations: 37.69 kB / 1.236 GB, free: 13.69 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.748e-06/0.3569, allocations: 4 kB / 1.236 GB, free: 13.68 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.05e-05/0.3569, allocations: 4 kB / 1.236 GB, free: 13.68 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003352/0.3573, allocations: 76.23 kB / 1.236 GB, free: 13.61 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.523e-05/0.3573, allocations: 15.94 kB / 1.236 GB, free: 13.59 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004155/0.3577, allocations: 75.58 kB / 1.236 GB, free: 13.52 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.513e-05/0.3577, allocations: 23.98 kB / 1.236 GB, free: 13.49 MB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * Number of states: 0 () * Number of discrete variables: 35 ($PRE.preHeatCoil.toOn.enableFire,$PRE.preHeatCoil.toOff.enableFire,preHeatCoil.toOn.t_start,$PRE.preHeatCoil.toOn.t_start,preHeatCoil.stateGraphRoot.resume,preHeatCoil.stateGraphRoot.suspend,preHeatCoil.toOff.t_start,$PRE.preHeatCoil.toOff.t_start,preHeatCoil.toOff.fire,preHeatCoil.toOff.enableFire,preHeatCoil.pumOn.active,preHeatCoil.pumOn.oldActive,$PRE.preHeatCoil.pumOn.oldActive,preHeatCoil.pumOn.newActive,$PRE.preHeatCoil.pumOn.newActive,preHeatCoil.pumOn.localActive,$PRE.preHeatCoil.pumOn.localActive,preHeatCoil.stateGraphRoot.activeSteps,preHeatCoil.toOn.enableFire,preHeatCoil.pumOff.oldActive,$PRE.preHeatCoil.pumOff.oldActive,preHeatCoil.pumOff.newActive,$PRE.preHeatCoil.pumOff.newActive,preHeatCoil.pumOff.localActive,$PRE.preHeatCoil.pumOff.localActive,preHeatCoil.pumOff.active,preHeatCoil.preHeaOn.y,$PRE.preHeatCoil.preHeaOn.y,TMix.count,$PRE.TMix.count,TMix.T_start,$PRE.TMix.T_start,$whenCondition1,$whenCondition2,preHeatCoil.preHeaCoiCon.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (59): * Single equations (assignments): 58 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0002602/0.358, allocations: 209.6 kB / 1.236 GB, free: 13.28 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.475e-05/0.3581, allocations: 51.66 kB / 1.236 GB, free: 13.23 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009489/0.359, allocations: 381.6 kB / 1.237 GB, free: 12.85 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.502e-06/0.359, allocations: 4 kB / 1.237 GB, free: 12.85 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.929e-06/0.359, allocations: 0 / 1.237 GB, free: 12.85 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.404e-06/0.359, allocations: 3.984 kB / 1.237 GB, free: 12.84 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001644/0.3607, allocations: 0.9599 MB / 1.238 GB, free: 11.82 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.337e-06/0.3607, allocations: 0 / 1.238 GB, free: 11.82 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002726/0.361, allocations: 47.98 kB / 1.238 GB, free: 11.78 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.711e-06/0.361, allocations: 7.938 kB / 1.238 GB, free: 11.77 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.88e-05/0.361, allocations: 8 kB / 1.238 GB, free: 11.76 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.735e-06/0.361, allocations: 0 / 1.238 GB, free: 11.76 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.186e-06/0.361, allocations: 4 kB / 1.238 GB, free: 11.76 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001353/0.3624, allocations: 0.6511 MB / 1.238 GB, free: 11.08 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001648/0.3625, allocations: 152.8 kB / 1.238 GB, free: 10.91 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.242e-05/0.3626, allocations: 4 kB / 1.238 GB, free: 10.91 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003402/0.3629, allocations: 44.02 kB / 1.239 GB, free: 10.87 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001384/0.3631, allocations: 51.83 kB / 1.239 GB, free: 10.82 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.35e-05/0.3631, allocations: 19.92 kB / 1.239 GB, free: 10.8 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.0003008/0.3634, allocations: 263.2 kB / 1.239 GB, free: 10.54 MB / 0.9981 GB Notification: Performance of sort global known variables: time 9e-08/0.3634, allocations: 0 / 1.239 GB, free: 10.54 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.0004506/0.3639, allocations: 95.77 kB / 1.239 GB, free: 10.45 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (preHeatCoil.preHeaCoiCon.I.y) * Number of discrete variables: 21 (preHeatCoil.toOn.t_start,preHeatCoil.toOff.enableFire,preHeatCoil.pumOn.active,preHeatCoil.pumOff.active,$cse1,$cse2,$whenCondition2,$whenCondition1,TMix.T_start,TMix.count,preHeatCoil.preHeaOn.y,preHeatCoil.pumOff.localActive,preHeatCoil.pumOff.newActive,preHeatCoil.pumOff.oldActive,preHeatCoil.toOn.enableFire,preHeatCoil.stateGraphRoot.activeSteps,preHeatCoil.pumOn.localActive,preHeatCoil.pumOn.newActive,preHeatCoil.pumOn.oldActive,preHeatCoil.toOff.fire,preHeatCoil.toOff.t_start) * Number of discrete states: 5 (TMix.count,preHeatCoil.pumOff.newActive,preHeatCoil.pumOn.newActive,preHeatCoil.preHeaOn.y,preHeatCoil.toOn.t_start) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (37): * Single equations (assignments): 31 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 6 * 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 0.000205/0.3641, allocations: 135.9 kB / 1.239 GB, free: 10.31 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.0009917/0.3651, allocations: 412.7 kB / 1.239 GB, free: 9.895 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 2.575e-06/0.3651, allocations: 0 / 1.239 GB, free: 9.895 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.0004812/0.3655, allocations: 179.7 kB / 1.24 GB, free: 9.719 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005445/0.3661, allocations: 89.42 kB / 1.24 GB, free: 9.641 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001488/0.3676, allocations: 0.7582 MB / 1.24 GB, free: 8.852 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004069/0.368, allocations: 0.8235 MB / 1.241 GB, free: 8.004 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.0002117/0.3682, allocations: 63.44 kB / 1.241 GB, free: 7.938 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001155/0.3683, allocations: 35.44 kB / 1.241 GB, free: 7.902 MB / 0.9981 GB Notification: Performance of SimCode: time 4.71e-07/0.3683, allocations: 0 / 1.241 GB, free: 7.902 MB / 0.9981 GB Notification: Performance of Templates: time 0.01078/0.3791, allocations: 5.061 MB / 1.246 GB, free: 2.891 MB / 0.9981 GB make -j1 -f Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil.makefile (rm -f Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil.pipe ; mkfifo Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil.pipe ; head -c 1048576 < Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil.pipe >> ../files/Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil.sim & ./Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil.pipe 2>&1) diffSimulationResults("Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Examples_DualFanDualDuct_Controls_Examples_PreHeatCoil.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Examples.DualFanDualDuct.Controls.Examples.PreHeatCoil.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches