Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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.Chillers.Validation.Carnot_y_etaPL,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|chi.sta_a1.T|chi.sta_b1.T|chi.sta_a2.T|chi.sta_b2.T|chi.QEva_flow|chi.QCon_flow|chi.P|chi.dp1|chi.dp2|chi.COP_nominal|chi.COP|chi.etaPL",fileNamePrefix="Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL") translateModel(Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|chi.sta_a1.T|chi.sta_b1.T|chi.sta_a2.T|chi.sta_b2.T|chi.QEva_flow|chi.QCon_flow|chi.P|chi.dp1|chi.dp2|chi.COP_nominal|chi.COP|chi.etaPL",fileNamePrefix="Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001523/0.001523, allocations: 104 kB / 16.41 MB, free: 6.504 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001643/0.001643, allocations: 192.2 kB / 17.34 MB, free: 5.742 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.447/1.447, allocations: 222.9 MB / 241 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.45/2.45, allocations: 437 MB / 0.7112 GB, free: 4.352 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001409/0.001409, allocations: 63.91 kB / 1.019 GB, free: 9.352 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8289/0.8303, allocations: 151.6 MB / 1.167 GB, free: 3.805 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL): time 0.07355/0.904, allocations: 75.22 MB / 1.241 GB, free: 8.328 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.01781/0.9218, allocations: 12.74 MB / 1.253 GB, free: 11.55 MB / 0.9825 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002664/0.9245, allocations: 67.62 kB / 1.253 GB, free: 11.48 MB / 0.9825 GB Notification: Performance of NFTyping.typeComponents: time 0.002439/0.927, allocations: 0.8579 MB / 1.254 GB, free: 10.62 MB / 0.9825 GB Notification: Performance of NFTyping.typeBindings: time 0.007014/0.9341, allocations: 2.591 MB / 1.257 GB, free: 8.016 MB / 0.9825 GB Notification: Performance of NFTyping.typeClassSections: time 0.003699/0.9378, allocations: 1.391 MB / 1.258 GB, free: 6.637 MB / 0.9825 GB Notification: Performance of NFFlatten.flatten: time 0.005745/0.9436, allocations: 4.4 MB / 1.262 GB, free: 2.223 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002173/0.9458, allocations: 1.445 MB / 1.264 GB, free: 0.7461 MB / 0.9825 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003842/0.9496, allocations: 1.662 MB / 1.265 GB, free: 15.09 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002088/0.9517, allocations: 1.198 MB / 1.267 GB, free: 13.88 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0003687/0.9521, allocations: 160 kB / 1.267 GB, free: 13.73 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003222/0.9554, allocations: 1.423 MB / 1.268 GB, free: 12.3 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.0004413/0.9558, allocations: 402.6 kB / 1.268 GB, free: 11.91 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.001211/0.957, allocations: 0.9021 MB / 1.269 GB, free: 11 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.004524/0.9616, allocations: 2.873 MB / 1.272 GB, free: 8.121 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 6.242e-06/0.9616, allocations: 0 / 1.272 GB, free: 8.121 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.754e-06/0.9616, allocations: 0 / 1.272 GB, free: 8.121 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 3.703e-05/0.9617, allocations: 0 / 1.272 GB, free: 8.121 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: 240 * Number of variables: 240 Notification: Performance of Generate backend data structure: time 0.004007/0.9657, allocations: 2.083 MB / 1.274 GB, free: 5.969 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.572e-05/0.9657, allocations: 16.86 kB / 1.274 GB, free: 5.953 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000819/0.9665, allocations: 226.8 kB / 1.274 GB, free: 5.73 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002693/0.9693, allocations: 1.532 MB / 1.276 GB, free: 4.145 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.895e-05/0.9693, allocations: 74 kB / 1.276 GB, free: 4.07 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001472/0.9695, allocations: 100 kB / 1.276 GB, free: 3.973 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001946/0.9714, allocations: 1.1 MB / 1.277 GB, free: 2.84 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.691e-05/0.9715, allocations: 0 / 1.277 GB, free: 2.84 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.675e-05/0.9716, allocations: 43.98 kB / 1.277 GB, free: 2.797 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.626e-05/0.9716, allocations: 28 kB / 1.277 GB, free: 2.77 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00186/0.9735, allocations: 0.8861 MB / 1.278 GB, free: 1.883 MB / 0.9981 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 0.006145/0.9796, allocations: 4.907 MB / 1.283 GB, free: 12.69 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001314/0.981, allocations: 0.6271 MB / 1.283 GB, free: 12.05 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006678/0.9817, allocations: 366.2 kB / 1.284 GB, free: 11.69 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006509/0.9823, allocations: 0.8277 MB / 1.285 GB, free: 10.68 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.113e-05/0.9824, allocations: 47.12 kB / 1.285 GB, free: 10.62 MB / 1.014 GB Notification: Performance of pre-optimization done (n=62): time 2.836e-06/0.9824, allocations: 3.938 kB / 1.285 GB, free: 10.62 MB / 1.014 GB Notification: Performance of matching and sorting (n=62): time 0.007193/0.9896, allocations: 1.685 MB / 1.286 GB, free: 8.91 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.558e-05/0.9897, allocations: 59.97 kB / 1.286 GB, free: 8.84 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001849/0.9915, allocations: 1.233 MB / 1.288 GB, free: 7.59 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 0.0001889/0.9917, allocations: 37.7 kB / 1.288 GB, free: 7.547 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.000552/0.9923, allocations: 0.6026 MB / 1.288 GB, free: 6.938 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.000277/0.9926, allocations: 220.8 kB / 1.288 GB, free: 6.719 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002346/0.9928, allocations: 154.5 kB / 1.289 GB, free: 6.562 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 0.0001329/0.993, allocations: 333.9 kB / 1.289 GB, free: 6.23 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006664/0.9936, allocations: 296.7 kB / 1.289 GB, free: 5.938 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008109/0.9945, allocations: 483 kB / 1.29 GB, free: 5.395 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001334/0.9958, allocations: 0.7081 MB / 1.29 GB, free: 4.641 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.659e-06/0.9958, allocations: 0 / 1.29 GB, free: 4.641 MB / 1.014 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.004614/1, allocations: 1.281 MB / 1.292 GB, free: 3.348 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 2.895e-05/1, allocations: 8 kB / 1.292 GB, free: 3.34 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.309e-05/1.001, allocations: 4 kB / 1.292 GB, free: 3.336 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007006/1.001, allocations: 157.1 kB / 1.292 GB, free: 3.18 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006102/1.002, allocations: 159.8 kB / 1.292 GB, free: 3.023 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008366/1.003, allocations: 0.7123 MB / 1.293 GB, free: 2.285 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001101/1.004, allocations: 122.9 kB / 1.293 GB, free: 2.164 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.105e-05/1.004, allocations: 35.98 kB / 1.293 GB, free: 2.129 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0011/1.005, allocations: 0.5527 MB / 1.293 GB, free: 1.57 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008089/1.006, allocations: 494.8 kB / 1.294 GB, free: 1.016 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001355/1.007, allocations: 0.7004 MB / 1.294 GB, free: 272 kB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.627e-06/1.007, allocations: 0 / 1.294 GB, free: 272 kB / 1.014 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004614/1.012, allocations: 1.277 MB / 1.296 GB, free: 14.97 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.882e-05/1.012, allocations: 4 kB / 1.296 GB, free: 14.97 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.14e-05/1.012, allocations: 4 kB / 1.296 GB, free: 14.96 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006822/1.013, allocations: 152.8 kB / 1.296 GB, free: 14.81 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000667/1.013, allocations: 163.7 kB / 1.296 GB, free: 14.65 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008454/1.014, allocations: 0.7123 MB / 1.297 GB, free: 13.91 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0012/1.015, allocations: 99.56 kB / 1.297 GB, free: 13.82 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.833e-05/1.015, allocations: 28 kB / 1.297 GB, free: 13.79 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * 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 (77): * Single equations (assignments): 76 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,11)} Notification: Performance of prepare postOptimizeDAE: time 0.0002777/1.016, allocations: 232.6 kB / 1.297 GB, free: 13.55 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003785/1.016, allocations: 138.3 kB / 1.297 GB, free: 13.42 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004696/1.021, allocations: 1.283 MB / 1.298 GB, free: 12.12 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.027e-05/1.021, allocations: 8 kB / 1.298 GB, free: 12.11 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.957e-06/1.021, allocations: 0 / 1.298 GB, free: 12.11 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.004106/1.025, allocations: 1.111 MB / 1.299 GB, free: 10.97 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006901/1.032, allocations: 2.629 MB / 1.302 GB, free: 8.227 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.071e-05/1.032, allocations: 4.438 kB / 1.302 GB, free: 8.223 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005039/1.032, allocations: 119.8 kB / 1.302 GB, free: 8.105 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005957/1.033, allocations: 152.7 kB / 1.302 GB, free: 7.953 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.111e-05/1.033, allocations: 19.98 kB / 1.302 GB, free: 7.934 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000769/1.034, allocations: 0.7122 MB / 1.303 GB, free: 7.195 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.24e-06/1.034, allocations: 4 kB / 1.303 GB, free: 7.191 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005199/1.039, allocations: 1.699 MB / 1.305 GB, free: 5.426 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000816/1.04, allocations: 307.3 kB / 1.305 GB, free: 5.105 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004066/1.04, allocations: 15.98 kB / 1.305 GB, free: 5.09 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001015/1.041, allocations: 56 kB / 1.305 GB, free: 5.035 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001292/1.042, allocations: 52.25 kB / 1.305 GB, free: 4.984 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.22e-05/1.042, allocations: 39.98 kB / 1.305 GB, free: 4.945 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.001508/1.043, allocations: 0.8816 MB / 1.306 GB, free: 4.062 MB / 1.029 GB Notification: Performance of sort global known variables: time 1.31e-07/1.043, allocations: 0 / 1.306 GB, free: 4.062 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.002265/1.045, allocations: 0.7135 MB / 1.307 GB, free: 3.348 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (chi.con.vol.dynBal.U,chi.eva.vol.dynBal.U) * 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 (55): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0009981/1.046, allocations: 472.2 kB / 1.307 GB, free: 2.887 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.002727/1.049, allocations: 1.125 MB / 1.308 GB, free: 1.758 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 7.585e-06/1.049, allocations: 0 / 1.308 GB, free: 1.758 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0009157/1.05, allocations: 395.2 kB / 1.309 GB, free: 1.375 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003673/1.054, allocations: 0.7982 MB / 1.309 GB, free: 0.5938 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004125/1.058, allocations: 2.3 MB / 1.312 GB, free: 14.22 MB / 1.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008282/1.059, allocations: 1.16 MB / 1.313 GB, free: 13.04 MB / 1.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003481/1.059, allocations: 111.4 kB / 1.313 GB, free: 12.93 MB / 1.045 GB Notification: Performance of SimCode: time 8.21e-07/1.059, allocations: 0 / 1.313 GB, free: 12.93 MB / 1.045 GB Notification: Performance of Templates: time 0.04281/1.102, allocations: 31.24 MB / 1.343 GB, free: 13.88 MB / 1.076 GB make -j1 -f Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.makefile (rm -f Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe ; mkfifo Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe >> ../files/Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.sim & ./Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Chillers_Validation_Carnot_y_etaPL.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Chillers.Validation.Carnot_y_etaPL.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches