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) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001603/0.00161, allocations: 116 kB / 17.08 MB, free: 5.988 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001545/0.001546, allocations: 191.7 kB / 20.03 MB, free: 3.059 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.469/1.469, allocations: 222.9 MB / 245.7 MB, free: 4.211 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 3.024/3.024, allocations: 489.2 MB / 0.7687 GB, free: 3.754 MB / 0.6075 GB " [Timeout remaining time 176] Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,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=2500,variableFilter="time|indTanHex.vol.1..T|indTanHex.vol.2..T|indTanHex.vol.3..T",fileNamePrefix="Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002214/0.002214, allocations: 71.83 kB / 1.103 GB, free: 0.7812 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.034/1.036, allocations: 163.8 MB / 1.263 GB, free: 8.188 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger): time 0.03222/1.069, allocations: 28.65 MB / 1.291 GB, free: 3.699 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.01387/1.083, allocations: 7.903 MB / 1.298 GB, free: 14.06 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002043/1.085, allocations: 42.69 kB / 1.298 GB, free: 14.04 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.00159/1.086, allocations: 404.9 kB / 1.299 GB, free: 13.79 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.004176/1.09, allocations: 1 MB / 1.3 GB, free: 13.18 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.003826/1.094, allocations: 1.073 MB / 1.301 GB, free: 12.62 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.008082/1.102, allocations: 4.925 MB / 1.306 GB, free: 10.25 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003747/1.106, allocations: 2.285 MB / 1.308 GB, free: 9.277 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005503/1.112, allocations: 1.888 MB / 1.31 GB, free: 8.422 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003632/1.115, allocations: 1.435 MB / 1.311 GB, free: 7.766 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.001157/1.117, allocations: 229.8 kB / 1.311 GB, free: 7.766 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005186/1.122, allocations: 1.313 MB / 1.313 GB, free: 7.398 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.001702/1.124, allocations: 0.5557 MB / 1.313 GB, free: 7.051 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.003922/1.127, allocations: 1.16 MB / 1.314 GB, free: 6.344 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.009125/1.137, allocations: 3.704 MB / 1.318 GB, free: 5.047 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 7.003e-06/1.137, allocations: 0 / 1.318 GB, free: 5.047 MB / 1.029 GB Notification: Performance of FrontEnd: time 7.013e-06/1.137, allocations: 0 / 1.318 GB, free: 5.047 MB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0001462/1.137, allocations: 3.938 kB / 1.318 GB, free: 5.043 MB / 1.029 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 0.008656/1.145, allocations: 2.619 MB / 1.32 GB, free: 3.531 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 4.582e-05/1.146, allocations: 9.5 kB / 1.32 GB, free: 3.531 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001138/1.147, allocations: 242.7 kB / 1.321 GB, free: 3.418 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004056/1.151, allocations: 1.817 MB / 1.322 GB, free: 2.461 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001144/1.151, allocations: 114.3 kB / 1.322 GB, free: 2.406 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003555/1.151, allocations: 153.2 kB / 1.323 GB, free: 2.355 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004101/1.155, allocations: 1.996 MB / 1.325 GB, free: 1.547 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.91e-05/1.155, allocations: 6.641 kB / 1.325 GB, free: 1.543 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001646/1.156, allocations: 61.56 kB / 1.325 GB, free: 1.496 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.939e-05/1.156, allocations: 41.61 kB / 1.325 GB, free: 1.492 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003303/1.159, allocations: 1.797 MB / 1.326 GB, free: 0.9062 MB / 1.029 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 0.01475/1.174, allocations: 7.621 MB / 1.334 GB, free: 12.48 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002184/1.176, allocations: 1.446 MB / 1.335 GB, free: 11.87 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001009/1.177, allocations: 0.6664 MB / 1.336 GB, free: 11.63 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.007989/1.185, allocations: 3.857 MB / 1.34 GB, free: 9.066 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.896e-05/1.185, allocations: 45.64 kB / 1.34 GB, free: 9.02 MB / 1.045 GB Notification: Performance of pre-optimization done (n=88): time 4.047e-06/1.185, allocations: 0 / 1.34 GB, free: 9.02 MB / 1.045 GB Notification: Performance of matching and sorting (n=88): time 0.003169/1.188, allocations: 1.522 MB / 1.341 GB, free: 8.262 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.896e-05/1.188, allocations: 61.5 kB / 1.341 GB, free: 8.199 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002914/1.191, allocations: 1.649 MB / 1.343 GB, free: 7.312 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0002197/1.192, allocations: 51.17 kB / 1.343 GB, free: 7.262 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.000813/1.192, allocations: 0.7711 MB / 1.344 GB, free: 6.586 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004481/1.193, allocations: 335.1 kB / 1.344 GB, free: 6.297 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005237/1.193, allocations: 293.1 kB / 1.344 GB, free: 6.133 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 0.0002097/1.194, allocations: 363 kB / 1.345 GB, free: 5.789 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001202/1.195, allocations: 0.6933 MB / 1.345 GB, free: 5.422 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001478/1.196, allocations: 1.025 MB / 1.346 GB, free: 4.652 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002481/1.199, allocations: 1.623 MB / 1.348 GB, free: 3.57 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.3e-05/1.199, allocations: 8.062 kB / 1.348 GB, free: 3.566 MB / 1.045 GB Notification: Performance of matching and sorting (n=175) (initialization): time 0.003717/1.203, allocations: 1.958 MB / 1.35 GB, free: 2.559 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 2.778e-05/1.203, allocations: 9.219 kB / 1.35 GB, free: 2.559 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.928e-05/1.203, allocations: 8 kB / 1.35 GB, free: 2.559 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.525e-05/1.203, allocations: 16.53 kB / 1.35 GB, free: 2.559 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001211/1.204, allocations: 340.5 kB / 1.35 GB, free: 2.473 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.785e-05/1.204, allocations: 24.06 kB / 1.35 GB, free: 2.465 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001614/1.206, allocations: 203.7 kB / 1.35 GB, free: 2.324 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001493/1.206, allocations: 57.05 kB / 1.35 GB, free: 2.312 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002268/1.208, allocations: 1.285 MB / 1.352 GB, free: 1.574 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001411/1.209, allocations: 1.016 MB / 1.353 GB, free: 0.8203 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002322/1.212, allocations: 1.618 MB / 1.354 GB, free: 15.74 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.732e-06/1.212, allocations: 6.75 kB / 1.354 GB, free: 15.74 MB / 1.061 GB Notification: Performance of matching and sorting (n=175) (initialization_lambda0): time 0.003528/1.215, allocations: 1.961 MB / 1.356 GB, free: 14.73 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 1.89e-05/1.215, allocations: 8.625 kB / 1.356 GB, free: 14.73 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.564e-05/1.215, allocations: 13.06 kB / 1.356 GB, free: 14.72 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.674e-05/1.215, allocations: 15.88 kB / 1.356 GB, free: 14.72 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001185/1.217, allocations: 335.5 kB / 1.357 GB, free: 14.64 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.757e-05/1.217, allocations: 19.91 kB / 1.357 GB, free: 14.64 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001514/1.218, allocations: 157.8 kB / 1.357 GB, free: 14.53 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001472/1.218, allocations: 57.77 kB / 1.357 GB, free: 14.52 MB / 1.061 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 0.0004584/1.219, allocations: 266 kB / 1.357 GB, free: 14.27 MB / 1.061 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005152/1.219, allocations: 155 kB / 1.357 GB, free: 14.19 MB / 1.061 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002334/1.222, allocations: 1.282 MB / 1.358 GB, free: 13.46 MB / 1.061 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.877e-05/1.222, allocations: 8.875 kB / 1.358 GB, free: 13.46 MB / 1.061 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.015e-06/1.222, allocations: 5.031 kB / 1.358 GB, free: 13.46 MB / 1.061 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001652/1.223, allocations: 1.286 MB / 1.36 GB, free: 12.55 MB / 1.061 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006092/1.229, allocations: 2.947 MB / 1.363 GB, free: 10.67 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.462e-06/1.229, allocations: 1.281 kB / 1.363 GB, free: 10.67 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008108/1.23, allocations: 193.1 kB / 1.363 GB, free: 10.62 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.188e-05/1.23, allocations: 8.906 kB / 1.363 GB, free: 10.61 MB / 1.061 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.771e-05/1.23, allocations: 24.78 kB / 1.363 GB, free: 10.6 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.055e-06/1.23, allocations: 3.594 kB / 1.363 GB, free: 10.6 MB / 1.061 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.124e-06/1.23, allocations: 10.33 kB / 1.363 GB, free: 10.59 MB / 1.061 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003257/1.234, allocations: 1.927 MB / 1.365 GB, free: 9.484 MB / 1.061 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001186/1.235, allocations: 409.6 kB / 1.365 GB, free: 9.176 MB / 1.061 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003602/1.235, allocations: 26.52 kB / 1.365 GB, free: 9.156 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008847/1.236, allocations: 47.28 kB / 1.365 GB, free: 9.129 MB / 1.061 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001305/1.236, allocations: 55.05 kB / 1.365 GB, free: 9.098 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.758e-05/1.236, allocations: 34.89 kB / 1.365 GB, free: 9.086 MB / 1.061 GB Notification: Performance of sorting global known variables: time 0.002166/1.239, allocations: 1.239 MB / 1.366 GB, free: 8.418 MB / 1.061 GB Notification: Performance of sort global known variables: time 2.4e-07/1.239, allocations: 4 kB / 1.366 GB, free: 8.414 MB / 1.061 GB Notification: Performance of remove unused functions: time 0.003649/1.242, allocations: 0.9236 MB / 1.367 GB, free: 8.234 MB / 1.061 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 0.001162/1.243, allocations: 371 kB / 1.368 GB, free: 8.016 MB / 1.061 GB Notification: Performance of simCode: created initialization part: time 0.004136/1.248, allocations: 2.33 MB / 1.37 GB, free: 6.922 MB / 1.061 GB Notification: Performance of simCode: created event and clocks part: time 7.725e-06/1.248, allocations: 1.656 kB / 1.37 GB, free: 6.922 MB / 1.061 GB Notification: Performance of simCode: created simulation system equations: time 0.0008443/1.248, allocations: 0.5198 MB / 1.371 GB, free: 6.684 MB / 1.061 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004976/1.253, allocations: 0.9256 MB / 1.371 GB, free: 6.211 MB / 1.061 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006622/1.26, allocations: 3.685 MB / 1.375 GB, free: 3.957 MB / 1.061 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001414/1.262, allocations: 1.638 MB / 1.377 GB, free: 2.289 MB / 1.061 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007966/1.262, allocations: 147.4 kB / 1.377 GB, free: 2.145 MB / 1.061 GB Notification: Performance of SimCode: time 1.022e-06/1.262, allocations: 0 / 1.377 GB, free: 2.145 MB / 1.061 GB Notification: Performance of Templates: time 0.05372/1.316, allocations: 32.82 MB / 1.409 GB, free: 1.504 MB / 1.092 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.makefile [Timeout 300] (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=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe 2>&1) [Timeout 800] 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_2/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 16.455306415911764]