Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.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.Actuators.Valves.Examples.TwoWayValves,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|valLin.phi|valQui.phi|valEqu.phi|valInd.phi|valPol.phi|valBut.phi",fileNamePrefix="Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves") translateModel(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|valLin.phi|valQui.phi|valEqu.phi|valInd.phi|valPol.phi|valBut.phi",fileNamePrefix="Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001642/0.001641, allocations: 105 kB / 16.27 MB, free: 6.414 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001578/0.001578, allocations: 190 kB / 17.2 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.493/1.493, allocations: 222.9 MB / 240.9 MB, free: 15.21 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 2.643/2.643, allocations: 437.1 MB / 0.711 GB, free: 4.512 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001966/0.001966, allocations: 64.59 kB / 0.8699 GB, free: 2.242 MB / 0.6387 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.361/0.363, allocations: 151.6 MB / 1.018 GB, free: 10.68 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves): time 0.03495/0.398, allocations: 29.83 MB / 1.047 GB, free: 12.74 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.01402/0.4121, allocations: 8.137 MB / 1.055 GB, free: 4.578 MB / 0.8262 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001949/0.4141, allocations: 31.75 kB / 1.055 GB, free: 4.547 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.001561/0.4156, allocations: 428.9 kB / 1.055 GB, free: 4.125 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.004982/0.4207, allocations: 1.383 MB / 1.057 GB, free: 2.738 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.003565/0.4243, allocations: 1.128 MB / 1.058 GB, free: 1.621 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.005236/0.4295, allocations: 3.536 MB / 1.061 GB, free: 14.08 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002412/0.432, allocations: 1.337 MB / 1.063 GB, free: 12.73 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00372/0.4357, allocations: 1.664 MB / 1.064 GB, free: 11.06 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003722/0.4394, allocations: 1.644 MB / 1.066 GB, free: 9.41 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.00068/0.4401, allocations: 124 kB / 1.066 GB, free: 9.289 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00288/0.443, allocations: 1.018 MB / 1.067 GB, free: 8.27 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.0006385/0.4437, allocations: 398.7 kB / 1.067 GB, free: 7.879 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.001406/0.4451, allocations: 0.7544 MB / 1.068 GB, free: 7.121 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.004176/0.4493, allocations: 2.174 MB / 1.07 GB, free: 4.941 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 1.253e-05/0.4493, allocations: 4 kB / 1.07 GB, free: 4.938 MB / 0.8419 GB Notification: Performance of FrontEnd: time 2.575e-06/0.4493, allocations: 7.938 kB / 1.07 GB, free: 4.93 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 3.155e-05/0.4494, allocations: 0 / 1.07 GB, free: 4.93 MB / 0.8419 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 145 * Number of variables: 145 Notification: Performance of Generate backend data structure: time 0.003274/0.4527, allocations: 1.671 MB / 1.072 GB, free: 3.203 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 4.248e-05/0.4527, allocations: 8.031 kB / 1.072 GB, free: 3.195 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000393/0.4531, allocations: 147.4 kB / 1.072 GB, free: 3.051 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002263/0.4554, allocations: 0.8947 MB / 1.073 GB, free: 2.098 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001708/0.4556, allocations: 81.31 kB / 1.073 GB, free: 2.02 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000227/0.4558, allocations: 120 kB / 1.073 GB, free: 1.902 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001199/0.457, allocations: 0.6357 MB / 1.074 GB, free: 1.238 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.665e-05/0.457, allocations: 3.938 kB / 1.074 GB, free: 1.234 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.536e-05/0.4571, allocations: 28 kB / 1.074 GB, free: 1.207 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.594e-05/0.4571, allocations: 16 kB / 1.074 GB, free: 1.191 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009558/0.4581, allocations: 456.9 kB / 1.074 GB, free: 0.7422 MB / 0.8419 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 0.548/1.006, allocations: 2.893 MB / 1.077 GB, free: 62.35 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006692/1.007, allocations: 308.4 kB / 1.077 GB, free: 62.33 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003074/1.007, allocations: 145.1 kB / 1.078 GB, free: 62.32 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002417/1.007, allocations: 346.2 kB / 1.078 GB, free: 61.95 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.023e-05/1.007, allocations: 36.25 kB / 1.078 GB, free: 61.91 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=33): time 3.456e-06/1.007, allocations: 0 / 1.078 GB, free: 61.91 MB / 0.8419 GB Notification: Performance of matching and sorting (n=33): time 0.001521/1.009, allocations: 0.5337 MB / 1.078 GB, free: 61.86 MB / 0.8419 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.683e-05/1.009, allocations: 59.22 kB / 1.078 GB, free: 61.79 MB / 0.8419 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00116/1.01, allocations: 0.9043 MB / 1.079 GB, free: 61.43 MB / 0.8419 GB Notification: Performance of collectPreVariables (initialization): time 0.00019/1.01, allocations: 59.14 kB / 1.079 GB, free: 61.38 MB / 0.8419 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004396/1.011, allocations: 0.5295 MB / 1.08 GB, free: 60.99 MB / 0.8419 GB Notification: Performance of collectInitialBindings (initialization): time 8.656e-05/1.011, allocations: 106.5 kB / 1.08 GB, free: 60.92 MB / 0.8419 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004458/1.011, allocations: 294 kB / 1.08 GB, free: 60.82 MB / 0.8419 GB Notification: Performance of setup shared object (initialization): time 7.379e-05/1.011, allocations: 338.1 kB / 1.081 GB, free: 60.51 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004099/1.012, allocations: 192.8 kB / 1.081 GB, free: 60.44 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001261/1.013, allocations: 1.149 MB / 1.082 GB, free: 59.36 MB / 0.8419 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008438/1.014, allocations: 460.1 kB / 1.082 GB, free: 59.13 MB / 0.8419 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.05e-06/1.014, allocations: 1.406 kB / 1.082 GB, free: 59.13 MB / 0.8419 GB Notification: Performance of matching and sorting (n=73) (initialization): time 0.001464/1.015, allocations: 0.6529 MB / 1.083 GB, free: 58.88 MB / 0.8419 GB Notification: Performance of prepare postOptimizeDAE: time 1.869e-05/1.015, allocations: 6.156 kB / 1.083 GB, free: 58.88 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.398e-06/1.015, allocations: 5.562 kB / 1.083 GB, free: 58.88 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.534e-05/1.015, allocations: 4.125 kB / 1.083 GB, free: 58.88 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001449/1.017, allocations: 234.3 kB / 1.083 GB, free: 58.87 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001064/1.018, allocations: 2.959 MB / 1.086 GB, free: 55.9 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003672/1.022, allocations: 0.6963 MB / 1.087 GB, free: 55.86 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001032/1.022, allocations: 30.48 kB / 1.087 GB, free: 55.85 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008202/1.023, allocations: 367.2 kB / 1.087 GB, free: 55.66 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001251/1.024, allocations: 1.159 MB / 1.088 GB, free: 54.56 MB / 0.8419 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007784/1.025, allocations: 464.3 kB / 1.089 GB, free: 54.32 MB / 0.8419 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.218e-06/1.025, allocations: 0.9375 kB / 1.089 GB, free: 54.32 MB / 0.8419 GB Notification: Performance of matching and sorting (n=73) (initialization_lambda0): time 0.00177/1.026, allocations: 0.6449 MB / 1.089 GB, free: 54.07 MB / 0.8419 GB Notification: Performance of prepare postOptimizeDAE: time 2.054e-05/1.027, allocations: 11.64 kB / 1.089 GB, free: 54.07 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.895e-06/1.027, allocations: 7.281 kB / 1.089 GB, free: 54.07 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.289e-05/1.027, allocations: 5.5 kB / 1.089 GB, free: 54.07 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007481/1.027, allocations: 164.8 kB / 1.09 GB, free: 54.05 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.355e-05/1.027, allocations: 6.516 kB / 1.09 GB, free: 54.05 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005039/1.032, allocations: 0.9622 MB / 1.091 GB, free: 53.96 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.318e-05/1.032, allocations: 25.64 kB / 1.091 GB, free: 53.96 MB / 0.8419 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 9 * 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 (73): * Single equations (assignments): 68 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 5 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 5 systems {1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0003936/1.033, allocations: 245.5 kB / 1.091 GB, free: 53.74 MB / 0.8419 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002636/1.033, allocations: 104.2 kB / 1.091 GB, free: 53.68 MB / 0.8419 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001366/1.035, allocations: 0.5062 MB / 1.091 GB, free: 53.48 MB / 0.8419 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.274e-05/1.035, allocations: 4.469 kB / 1.091 GB, free: 53.48 MB / 0.8419 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.396e-06/1.035, allocations: 0.6562 kB / 1.091 GB, free: 53.48 MB / 0.8419 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.955e-06/1.035, allocations: 3.594 kB / 1.091 GB, free: 53.48 MB / 0.8419 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002367/1.037, allocations: 1.249 MB / 1.093 GB, free: 52.82 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.472e-06/1.037, allocations: 1.859 kB / 1.093 GB, free: 52.82 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005601/1.038, allocations: 115.4 kB / 1.093 GB, free: 52.81 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.203e-06/1.038, allocations: 3.031 kB / 1.093 GB, free: 52.81 MB / 0.8419 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.26e-05/1.038, allocations: 14.45 kB / 1.093 GB, free: 52.8 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008241/1.038, allocations: 2.943 MB / 1.096 GB, free: 49.84 MB / 0.8419 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.705e-06/1.038, allocations: 0.5312 kB / 1.096 GB, free: 49.84 MB / 0.8419 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009182/1.039, allocations: 0.5802 MB / 1.096 GB, free: 49.49 MB / 0.8419 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002815/1.04, allocations: 211.7 kB / 1.096 GB, free: 49.32 MB / 0.8419 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001096/1.04, allocations: 11.75 kB / 1.096 GB, free: 49.32 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004632/1.04, allocations: 30.7 kB / 1.096 GB, free: 49.31 MB / 0.8419 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.1e-05/1.04, allocations: 31.75 kB / 1.096 GB, free: 49.3 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.366e-05/1.04, allocations: 11.59 kB / 1.096 GB, free: 49.3 MB / 0.8419 GB Notification: Performance of sorting global known variables: time 0.0008221/1.041, allocations: 0.6102 MB / 1.097 GB, free: 49.04 MB / 0.8419 GB Notification: Performance of sort global known variables: time 1.31e-07/1.041, allocations: 0 / 1.097 GB, free: 49.04 MB / 0.8419 GB Notification: Performance of remove unused functions: time 0.001673/1.043, allocations: 0.5397 MB / 1.098 GB, free: 48.96 MB / 0.8419 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 (39): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 5 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 5 systems {1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0007018/1.044, allocations: 329.6 kB / 1.098 GB, free: 48.83 MB / 0.8419 GB Notification: Performance of simCode: created initialization part: time 0.003032/1.047, allocations: 0.8595 MB / 1.099 GB, free: 48.61 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 4.508e-06/1.047, allocations: 5.031 kB / 1.099 GB, free: 48.6 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.000621/1.047, allocations: 236.1 kB / 1.099 GB, free: 48.54 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002104/1.049, allocations: 414 kB / 1.099 GB, free: 48.41 MB / 0.8419 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00291/1.052, allocations: 1.579 MB / 1.101 GB, free: 47.56 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006643/1.053, allocations: 1.028 MB / 1.102 GB, free: 46.83 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002848/1.053, allocations: 82.38 kB / 1.102 GB, free: 46.82 MB / 0.8419 GB Notification: Performance of SimCode: time 7.51e-07/1.053, allocations: 3.938 kB / 1.102 GB, free: 46.82 MB / 0.8419 GB Notification: Performance of Templates: time 0.04823/1.102, allocations: 36.11 MB / 1.137 GB, free: 31.68 MB / 0.8419 GB make -j1 -f Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.makefile (rm -f Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe ; mkfifo Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe >> ../files/Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.sim & ./Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Actuators_Valves_Examples_TwoWayValves.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValves.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches