Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(Modelica.Fluid.Examples.Tanks.TanksWithOverflow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=10000,variableFilter="time|lowerTank.level|lowerTank.medium.h|upperTank.level|upperTank.medium.h|hysteresis.y",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow") translateModel(Modelica.Fluid.Examples.Tanks.TanksWithOverflow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=10000,variableFilter="time|lowerTank.level|lowerTank.medium.h|upperTank.level|upperTank.medium.h|hysteresis.y",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001198/0.001203, allocations: 112.4 kB / 18.45 MB, free: 4.598 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001257/0.001257, allocations: 204 kB / 19.4 MB, free: 3.656 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.381/1.381, allocations: 227.4 MB / 247.6 MB, free: 10.46 MB / 206.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001289/0.001289, allocations: 55.91 kB / 359.4 MB, free: 12.93 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3054/0.3067, allocations: 50.54 MB / 409.9 MB, free: 1.594 MB / 318.1 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.Tanks.TanksWithOverflow): time 0.03059/0.3374, allocations: 30.29 MB / 440.2 MB, free: 3.188 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.01553/0.3529, allocations: 10.3 MB / 450.5 MB, free: 8.863 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002049/0.355, allocations: 31.81 kB / 450.5 MB, free: 8.832 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001831/0.357, allocations: 488.9 kB / 451 MB, free: 8.352 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.005795/0.3628, allocations: 1.862 MB / 452.9 MB, free: 6.48 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.007863/0.3707, allocations: 2.758 MB / 455.6 MB, free: 3.734 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.005348/0.376, allocations: 3.685 MB / 459.3 MB, free: 40 kB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002328/0.3784, allocations: 1.165 MB / 460.5 MB, free: 14.86 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003531/0.3819, allocations: 1.53 MB / 462 MB, free: 13.32 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002765/0.3847, allocations: 1.417 MB / 463.4 MB, free: 11.9 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0006425/0.3854, allocations: 156 kB / 463.6 MB, free: 11.75 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005059/0.3905, allocations: 2.11 MB / 465.7 MB, free: 9.633 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001031/0.3915, allocations: 0.5728 MB / 466.3 MB, free: 9.059 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001758/0.3933, allocations: 0.805 MB / 467.1 MB, free: 8.25 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.006417/0.3997, allocations: 3.354 MB / 470.4 MB, free: 4.887 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.96e-06/0.3997, allocations: 0 / 470.4 MB, free: 4.887 MB / 382.1 MB Notification: Performance of FrontEnd: time 1.433e-06/0.3997, allocations: 4 kB / 470.4 MB, free: 4.883 MB / 382.1 MB Notification: Performance of Transformations before backend: time 6.993e-05/0.3998, allocations: 0 / 470.4 MB, free: 4.883 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 271 * Number of variables: 271 Notification: Performance of Generate backend data structure: time 0.006412/0.4062, allocations: 2.037 MB / 472.5 MB, free: 2.789 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.452e-05/0.4063, allocations: 8.031 kB / 472.5 MB, free: 2.781 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007918/0.4071, allocations: 170.1 kB / 472.6 MB, free: 2.613 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001949/0.4091, allocations: 0.9524 MB / 473.6 MB, free: 1.617 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002205/0.4093, allocations: 238.5 kB / 473.8 MB, free: 1.355 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003158/0.4096, allocations: 95.97 kB / 473.9 MB, free: 1.262 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00345/0.4131, allocations: 1.794 MB / 475.7 MB, free: 15.41 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.033e-05/0.4131, allocations: 4 kB / 475.7 MB, free: 15.41 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001852/0.4133, allocations: 39.92 kB / 475.8 MB, free: 15.37 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001417/0.4135, allocations: 102 kB / 475.9 MB, free: 15.27 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003266/0.4168, allocations: 1.776 MB / 477.6 MB, free: 13.48 MB / 398.1 MB 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 0.01274/0.4295, allocations: 6.913 MB / 484.6 MB, free: 6.27 MB / 398.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002847/0.4324, allocations: 1.494 MB / 486 MB, free: 4.766 MB / 398.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.00144/0.4339, allocations: 0.8816 MB / 486.9 MB, free: 3.887 MB / 398.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0009006/0.4348, allocations: 0.6412 MB / 487.6 MB, free: 3.117 MB / 398.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.551e-05/0.4349, allocations: 55.5 kB / 487.6 MB, free: 3.055 MB / 398.1 MB Notification: Performance of pre-optimization done (n=116): time 3.517e-06/0.4349, allocations: 0 / 487.6 MB, free: 3.055 MB / 398.1 MB Notification: Performance of matching and sorting (n=128): time 0.01696/0.4518, allocations: 6.617 MB / 494.2 MB, free: 12.31 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001053/0.452, allocations: 175.5 kB / 494.4 MB, free: 12.11 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001776/0.4538, allocations: 1.103 MB / 495.5 MB, free: 10.98 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001547/0.4539, allocations: 53.7 kB / 495.6 MB, free: 10.93 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004798/0.4544, allocations: 0.4965 MB / 496.1 MB, free: 10.43 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004623/0.4549, allocations: 429.8 kB / 496.5 MB, free: 10 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005442/0.4555, allocations: 267.5 kB / 496.7 MB, free: 9.73 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 0.0001657/0.4556, allocations: 361.9 kB / 497.1 MB, free: 9.371 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001448/0.4571, allocations: 0.8519 MB / 498 MB, free: 8.516 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001638/0.4587, allocations: 1.072 MB / 499 MB, free: 7.363 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002917/0.4617, allocations: 1.808 MB / 0.4891 GB, free: 5.492 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.923e-06/0.4617, allocations: 0 / 0.4891 GB, free: 5.492 MB / 414.1 MB Notification: Performance of matching and sorting (n=170) (initialization): time 0.004825/0.4665, allocations: 2.627 MB / 0.4917 GB, free: 2.84 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.655e-05/0.4666, allocations: 12.06 kB / 0.4917 GB, free: 2.828 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.451e-05/0.4666, allocations: 7.938 kB / 0.4917 GB, free: 2.82 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.003521/0.4701, allocations: 1.296 MB / 0.4929 GB, free: 1.508 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009901/0.4711, allocations: 215.6 kB / 0.4931 GB, free: 1.297 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007204/0.4784, allocations: 6.728 MB / 0.4997 GB, free: 10.22 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001482/0.4799, allocations: 76 kB / 0.4998 GB, free: 10.15 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002921/0.4802, allocations: 51.98 kB / 0.4998 GB, free: 10.1 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002158/0.4824, allocations: 1.105 MB / 0.5009 GB, free: 8.988 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001698/0.4841, allocations: 1.062 MB / 0.502 GB, free: 7.844 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002942/0.487, allocations: 1.774 MB / 0.5037 GB, free: 6 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.784e-06/0.4871, allocations: 0 / 0.5037 GB, free: 6 MB / 430.1 MB Notification: Performance of matching and sorting (n=170) (initialization_lambda0): time 0.00482/0.4919, allocations: 2.495 MB / 0.5061 GB, free: 3.48 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.976e-05/0.4919, allocations: 15.12 kB / 0.5061 GB, free: 3.469 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.11e-05/0.492, allocations: 4 kB / 0.5061 GB, free: 3.465 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002533/0.4945, allocations: 1.019 MB / 0.5071 GB, free: 2.43 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001017/0.4955, allocations: 239.6 kB / 0.5074 GB, free: 2.195 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006536/0.5021, allocations: 6.462 MB / 0.5137 GB, free: 11.38 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001542/0.5036, allocations: 63.95 kB / 0.5137 GB, free: 11.31 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003226/0.504, allocations: 59.97 kB / 0.5138 GB, free: 11.25 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * Number of states: 0 () * Number of discrete variables: 12 (hysteresis.y,$PRE.hysteresis.y,lowerTank.inFlow[2],lowerTank.inFlow[1],lowerTank.regularFlow[2],lowerTank.regularFlow[1],upperTank.inFlow[3],upperTank.inFlow[2],upperTank.inFlow[1],upperTank.regularFlow[3],upperTank.regularFlow[2],upperTank.regularFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (126): * Single equations (assignments): 121 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,6,100.0%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(2,3), (4,11), (4,11)} Notification: Performance of prepare postOptimizeDAE: time 0.0006906/0.5047, allocations: 264.8 kB / 0.5141 GB, free: 10.99 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005207/0.5052, allocations: 142.3 kB / 0.5142 GB, free: 10.85 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005664/0.5109, allocations: 2.799 MB / 0.5169 GB, free: 8.027 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.33e-05/0.5109, allocations: 16 kB / 0.5169 GB, free: 8.012 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.665e-05/0.511, allocations: 8 kB / 0.5169 GB, free: 8.004 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.78e-05/0.511, allocations: 11.91 kB / 0.517 GB, free: 7.992 MB / 446.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007755/0.5187, allocations: 4.522 MB / 0.5214 GB, free: 3.398 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.504e-06/0.5188, allocations: 0 / 0.5214 GB, free: 3.398 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007863/0.5196, allocations: 151.8 kB / 0.5215 GB, free: 3.25 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.003155/0.5228, allocations: 1.28 MB / 0.5228 GB, free: 1.953 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001553/0.5229, allocations: 47.91 kB / 0.5228 GB, free: 1.906 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.007234/0.5302, allocations: 6.748 MB / 0.5294 GB, free: 10.8 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.437e-06/0.5302, allocations: 0 / 0.5294 GB, free: 10.8 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007516/0.5377, allocations: 3.954 MB / 0.5333 GB, free: 6.812 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0009638/0.5387, allocations: 431.1 kB / 0.5337 GB, free: 6.371 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000418/0.5392, allocations: 28 kB / 0.5337 GB, free: 6.344 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001253/0.5404, allocations: 72.06 kB / 0.5338 GB, free: 6.273 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003826/0.5408, allocations: 141.1 kB / 0.5339 GB, free: 6.137 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000164/0.541, allocations: 51.97 kB / 0.534 GB, free: 6.086 MB / 462.1 MB Notification: Performance of sorting global known variables: time 0.001292/0.5423, allocations: 0.7493 MB / 0.5347 GB, free: 5.328 MB / 462.1 MB Notification: Performance of sort global known variables: time 2.3e-07/0.5423, allocations: 0 / 0.5347 GB, free: 5.328 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.003627/0.546, allocations: 1.054 MB / 0.5357 GB, free: 4.273 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (upperTank.level,upperTank.medium.T,lowerTank.level,lowerTank.medium.T) * Number of discrete variables: 11 (upperTank.regularFlow[1],upperTank.regularFlow[2],upperTank.regularFlow[3],upperTank.inFlow[1],upperTank.inFlow[2],upperTank.inFlow[3],lowerTank.regularFlow[1],lowerTank.regularFlow[2],lowerTank.inFlow[1],lowerTank.inFlow[2],hysteresis.y) * Number of discrete states: 1 (hysteresis.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (97): * Single equations (assignments): 88 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,6,100.0%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(2,4), (4,14), (4,14)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002217/0.5482, allocations: 0.7349 MB / 0.5364 GB, free: 3.531 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.2356/0.7838, allocations: 3.822 MB / 0.5402 GB, free: 130.9 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 9.698e-06/0.7838, allocations: 2 kB / 0.5402 GB, free: 130.9 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.003927/0.7878, allocations: 1.435 MB / 0.5416 GB, free: 130.7 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002962/0.7908, allocations: 0.6242 MB / 0.5422 GB, free: 130.6 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005867/0.7967, allocations: 3.146 MB / 0.5452 GB, free: 129.7 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006493/0.7973, allocations: 1.267 MB / 0.5465 GB, free: 129 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005145/0.7979, allocations: 145 kB / 0.5466 GB, free: 129 MB / 462.1 MB Notification: Performance of SimCode: time 1.122e-06/0.7979, allocations: 0 / 0.5466 GB, free: 129 MB / 462.1 MB Notification: Performance of Templates: time 0.04881/0.8467, allocations: 53.7 MB / 0.5991 GB, free: 80.43 MB / 462.1 MB make -j1 -f Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.makefile (rm -f Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.pipe ; mkfifo Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.pipe >> ../files/Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.sim & ./Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.pipe 2>&1) diffSimulationResults("Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Fluid/Examples/Tanks/TanksWithOverflow/TanksWithOverflow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches