Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable.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: "" <> buildModelFMU(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable,fileNamePrefix="Buildings_11_Buildings_Fluid_Actuators_Valves_Examples_TwoWayValveTable",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable,fileNamePrefix="Buildings_11_Buildings_Fluid_Actuators_Valves_Examples_TwoWayValveTable",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00709/0.00709, allocations: 99.77 kB / 15.73 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002007/0.002007, allocations: 193.6 kB / 16.67 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.392/1.392, allocations: 222.9 MB / 240.4 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.702/2.702, allocations: 469.8 MB / 0.7425 GB, free: 3.352 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001945/0.001945, allocations: 67.91 kB / 1.065 GB, free: 14.07 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6303/0.6323, allocations: 159.1 MB / 1.22 GB, free: 2.051 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable): time 0.02006/0.6524, allocations: 17.46 MB / 1.237 GB, free: 0.5273 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.006773/0.6592, allocations: 4.911 MB / 1.242 GB, free: 11.6 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002321/0.6594, allocations: 19.88 kB / 1.242 GB, free: 11.58 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.0007026/0.6602, allocations: 262.4 kB / 1.242 GB, free: 11.32 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.00119/0.6614, allocations: 0.6062 MB / 1.243 GB, free: 10.71 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.001624/0.663, allocations: 0.7349 MB / 1.244 GB, free: 9.988 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.001157/0.6642, allocations: 0.9702 MB / 1.245 GB, free: 9.012 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004713/0.6646, allocations: 333 kB / 1.245 GB, free: 8.676 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000622/0.6653, allocations: 414.3 kB / 1.245 GB, free: 8.27 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004259/0.6657, allocations: 318.6 kB / 1.246 GB, free: 7.957 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 6.177e-05/0.6658, allocations: 28 kB / 1.246 GB, free: 7.93 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001204/0.667, allocations: 0.7292 MB / 1.246 GB, free: 7.199 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 0.0001427/0.6672, allocations: 127.6 kB / 1.246 GB, free: 7.074 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 0.0002636/0.6674, allocations: 246.5 kB / 1.247 GB, free: 6.832 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.001195/0.6686, allocations: 0.8871 MB / 1.248 GB, free: 5.945 MB / 0.9669 GB Notification: Performance of FrontEnd - DAE generated: time 2.946e-06/0.6686, allocations: 0 / 1.248 GB, free: 5.945 MB / 0.9669 GB Notification: Performance of FrontEnd: time 1.202e-06/0.6686, allocations: 0 / 1.248 GB, free: 5.945 MB / 0.9669 GB Notification: Performance of Transformations before backend: time 6.722e-06/0.6687, allocations: 0 / 1.248 GB, free: 5.945 MB / 0.9669 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 60 * Number of variables: 60 Notification: Performance of Generate backend data structure: time 0.001312/0.67, allocations: 0.902 MB / 1.248 GB, free: 4.992 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 3.179e-05/0.67, allocations: 8.031 kB / 1.248 GB, free: 4.984 MB / 0.9669 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.509e-05/0.6701, allocations: 62.72 kB / 1.248 GB, free: 4.914 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001539/0.6702, allocations: 64.56 kB / 1.249 GB, free: 4.852 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006901/0.6709, allocations: 465.9 kB / 1.249 GB, free: 4.359 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.542e-05/0.671, allocations: 20.56 kB / 1.249 GB, free: 4.34 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.978e-05/0.671, allocations: 32 kB / 1.249 GB, free: 4.309 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005324/0.6716, allocations: 286.2 kB / 1.249 GB, free: 4.012 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.202e-05/0.6716, allocations: 0 / 1.249 GB, free: 4.012 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.317e-05/0.6716, allocations: 8 kB / 1.249 GB, free: 4.004 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.067e-05/0.6716, allocations: 8 kB / 1.249 GB, free: 3.996 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004665/0.6721, allocations: 194 kB / 1.249 GB, free: 3.805 MB / 0.9669 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 0.001979/0.6741, allocations: 1.473 MB / 1.251 GB, free: 2.223 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003573/0.6745, allocations: 166.7 kB / 1.251 GB, free: 2.051 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001973/0.6747, allocations: 84.81 kB / 1.251 GB, free: 1.965 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001681/0.6764, allocations: 1.276 MB / 1.252 GB, free: 0.4961 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.446e-05/0.6764, allocations: 38.5 kB / 1.252 GB, free: 460 kB / 0.9669 GB Notification: Performance of pre-optimization done (n=15): time 1.352e-06/0.6764, allocations: 0 / 1.252 GB, free: 460 kB / 0.9669 GB Notification: Performance of matching and sorting (n=15): time 0.0006711/0.6771, allocations: 257.2 kB / 1.253 GB, free: 196 kB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.71e-05/0.6771, allocations: 51.41 kB / 1.253 GB, free: 132 kB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007345/0.6779, allocations: 0.5848 MB / 1.253 GB, free: 15.54 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 3.025e-05/0.6779, allocations: 37.64 kB / 1.253 GB, free: 15.49 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002302/0.6782, allocations: 268.5 kB / 1.254 GB, free: 15.23 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 4.929e-05/0.6782, allocations: 59.52 kB / 1.254 GB, free: 15.17 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001215/0.6783, allocations: 77.92 kB / 1.254 GB, free: 15.08 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001751/0.6785, allocations: 354.8 kB / 1.254 GB, free: 14.73 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002101/0.6787, allocations: 81.92 kB / 1.254 GB, free: 14.64 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003371/0.6791, allocations: 210.7 kB / 1.254 GB, free: 14.39 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004637/0.6796, allocations: 235.4 kB / 1.255 GB, free: 14.13 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.735e-06/0.6796, allocations: 0 / 1.255 GB, free: 14.13 MB / 0.9825 GB Notification: Performance of matching and sorting (n=33) (initialization): time 0.000648/0.6802, allocations: 317 kB / 1.255 GB, free: 13.81 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.379e-05/0.6803, allocations: 11.94 kB / 1.255 GB, free: 13.8 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.889e-06/0.6803, allocations: 0 / 1.255 GB, free: 13.8 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.554e-05/0.6803, allocations: 4 kB / 1.255 GB, free: 13.8 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002619/0.6806, allocations: 63.91 kB / 1.255 GB, free: 13.73 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.051e-05/0.6806, allocations: 4.25 kB / 1.255 GB, free: 13.73 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003303/0.6809, allocations: 51.75 kB / 1.255 GB, free: 13.68 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.035e-05/0.681, allocations: 16 kB / 1.255 GB, free: 13.66 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003409/0.6813, allocations: 215.7 kB / 1.255 GB, free: 13.45 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003287/0.6816, allocations: 218.4 kB / 1.255 GB, free: 13.19 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004311/0.6821, allocations: 219.5 kB / 1.256 GB, free: 12.95 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.462e-06/0.6821, allocations: 4 kB / 1.256 GB, free: 12.94 MB / 0.9825 GB Notification: Performance of matching and sorting (n=33) (initialization_lambda0): time 0.0006261/0.6827, allocations: 315.1 kB / 1.256 GB, free: 12.63 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.042e-05/0.6827, allocations: 13.66 kB / 1.256 GB, free: 12.62 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.368e-06/0.6828, allocations: 4 kB / 1.256 GB, free: 12.61 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.999e-06/0.6828, allocations: 4 kB / 1.256 GB, free: 12.61 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002528/0.683, allocations: 67.89 kB / 1.256 GB, free: 12.54 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.681e-06/0.683, allocations: 8.188 kB / 1.256 GB, free: 12.54 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003405/0.6834, allocations: 35.88 kB / 1.256 GB, free: 12.5 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.865e-05/0.6834, allocations: 15.98 kB / 1.256 GB, free: 12.48 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * 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 (33): * Single equations (assignments): 33 * 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 0.0001367/0.6836, allocations: 204.1 kB / 1.256 GB, free: 12.28 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.571e-05/0.6837, allocations: 51.61 kB / 1.256 GB, free: 12.23 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000587/0.6843, allocations: 261.7 kB / 1.257 GB, free: 11.96 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.105e-06/0.6843, allocations: 4 kB / 1.257 GB, free: 11.96 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.196e-06/0.6843, allocations: 0 / 1.257 GB, free: 11.96 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.977e-06/0.6843, allocations: 0 / 1.257 GB, free: 11.96 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001113/0.6854, allocations: 0.7318 MB / 1.257 GB, free: 11.16 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.821e-06/0.6854, allocations: 4 kB / 1.257 GB, free: 11.16 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001389/0.6856, allocations: 39.91 kB / 1.257 GB, free: 11.12 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.495e-06/0.6856, allocations: 0 / 1.257 GB, free: 11.12 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.418e-05/0.6856, allocations: 4 kB / 1.257 GB, free: 11.11 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.074e-06/0.6856, allocations: 192 / 1.257 GB, free: 11.11 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.628e-06/0.6856, allocations: 4 kB / 1.257 GB, free: 11.11 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005402/0.6862, allocations: 366.9 kB / 1.258 GB, free: 10.73 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001611/0.6863, allocations: 144.7 kB / 1.258 GB, free: 10.57 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.666e-05/0.6864, allocations: 4 kB / 1.258 GB, free: 10.56 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002092/0.6866, allocations: 15.98 kB / 1.258 GB, free: 10.55 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.887e-05/0.6867, allocations: 23.92 kB / 1.258 GB, free: 10.52 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.365e-05/0.6867, allocations: 4 kB / 1.258 GB, free: 10.52 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.000523/0.6872, allocations: 422.8 kB / 1.258 GB, free: 10.11 MB / 0.9825 GB Notification: Performance of sort global known variables: time 2.1e-07/0.6872, allocations: 0 / 1.258 GB, free: 10.11 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.0006891/0.6879, allocations: 231.5 kB / 1.259 GB, free: 9.883 MB / 0.9825 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 simulation (17): * Single equations (assignments): 15 * 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 0.00236/0.6903, allocations: 1.268 MB / 1.26 GB, free: 8.715 MB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.0007595/0.6911, allocations: 329.4 kB / 1.26 GB, free: 8.395 MB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 1.844e-06/0.6911, allocations: 0 / 1.26 GB, free: 8.395 MB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 0.0002105/0.6913, allocations: 95.7 kB / 1.26 GB, free: 8.305 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001237/0.6925, allocations: 253 kB / 1.26 GB, free: 8.059 MB / 0.9825 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005395/0.6979, allocations: 3.945 MB / 1.264 GB, free: 3.941 MB / 0.9825 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005002/0.6985, allocations: 0.8428 MB / 1.265 GB, free: 3.07 MB / 0.9825 GB Notification: Performance of simCode: alias equations: time 0.0003024/0.6988, allocations: 108.2 kB / 1.265 GB, free: 2.965 MB / 0.9825 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002318/0.699, allocations: 167.4 kB / 1.265 GB, free: 2.801 MB / 0.9825 GB Notification: Performance of SimCode: time 2.81e-07/0.699, allocations: 0 / 1.265 GB, free: 2.801 MB / 0.9825 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03963/0.7386, allocations: 15.06 MB / 1.28 GB, free: 3.961 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.492/9.231, allocations: 9.219 kB / 1.28 GB, free: 3.953 MB / 0.9981 GB (rm -f Buildings_11_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable.pipe ; mkfifo Buildings_11_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable.pipe >> ../files/Buildings_11_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable.sim & python3 -m fmpy simulate --output-file Buildings_11_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_11_Buildings_Fluid_Actuators_Valves_Examples_TwoWayValveTable.fmu > Buildings_11_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable.pipe 2>&1) diffSimulationResults("Buildings_11_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_Actuators_Valves_Examples_TwoWayValveTable.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValveTable.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches