Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn,fileNamePrefix="Buildings_9_Buildings_Examples_Tutorial_CDL_Controls_Validation_BoilerReturn",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn,fileNamePrefix="Buildings_9_Buildings_Examples_Tutorial_CDL_Controls_Validation_BoilerReturn",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 0.004233/0.004233, allocations: 99.55 kB / 15.73 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001049/0.001049, allocations: 198.5 kB / 16.68 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 1.311/1.311, allocations: 222.9 MB / 240.4 MB, free: 4.176 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.336/2.336, allocations: 390.2 MB / 0.6648 GB, free: 184 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001132/0.001132, allocations: 62.06 kB / 0.9504 GB, free: 5.922 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2382/0.2394, allocations: 140.4 MB / 1.087 GB, free: 1.977 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn): time 0.002951/0.2424, allocations: 2.04 MB / 1.089 GB, free: 15.92 MB / 0.8575 GB Notification: Performance of NFInst.instExpressions: time 0.0008011/0.2432, allocations: 442.6 kB / 1.09 GB, free: 15.48 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001551/0.2434, allocations: 4 kB / 1.09 GB, free: 15.48 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.0001612/0.2436, allocations: 47.53 kB / 1.09 GB, free: 15.43 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.0001072/0.2437, allocations: 31.67 kB / 1.09 GB, free: 15.4 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002376/0.2439, allocations: 99.86 kB / 1.09 GB, free: 15.3 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.0002888/0.2442, allocations: 296.4 kB / 1.09 GB, free: 15.02 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002536/0.2445, allocations: 156.5 kB / 1.09 GB, free: 14.86 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001219/0.2446, allocations: 103.6 kB / 1.091 GB, free: 14.75 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001149/0.2447, allocations: 99.48 kB / 1.091 GB, free: 14.66 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 4.361e-05/0.2448, allocations: 36 kB / 1.091 GB, free: 14.62 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 3.715e-05/0.2448, allocations: 32 kB / 1.091 GB, free: 14.59 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 5.635e-05/0.2449, allocations: 71.7 kB / 1.091 GB, free: 14.52 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 9.176e-05/0.245, allocations: 119.4 kB / 1.091 GB, free: 14.4 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.0003586/0.2453, allocations: 381.6 kB / 1.091 GB, free: 14.03 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 5.1e-06/0.2454, allocations: 0 / 1.091 GB, free: 14.03 MB / 0.8575 GB Notification: Performance of FrontEnd: time 2.204e-06/0.2454, allocations: 0 / 1.091 GB, free: 14.03 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 1.218e-05/0.2454, allocations: 0 / 1.091 GB, free: 14.03 MB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 47 * Number of variables: 47 Notification: Performance of Generate backend data structure: time 0.0009981/0.2464, allocations: 0.5388 MB / 1.092 GB, free: 13.45 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 4.427e-05/0.2464, allocations: 12.03 kB / 1.092 GB, free: 13.43 MB / 0.8575 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.921e-05/0.2465, allocations: 58.67 kB / 1.092 GB, free: 13.37 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.538e-05/0.2466, allocations: 28.56 kB / 1.092 GB, free: 13.34 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003647/0.247, allocations: 272.2 kB / 1.092 GB, free: 13.03 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.973e-05/0.247, allocations: 20.75 kB / 1.092 GB, free: 13.01 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.377e-05/0.247, allocations: 16.38 kB / 1.092 GB, free: 13 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000464/0.2475, allocations: 246 kB / 1.092 GB, free: 12.75 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.05e-05/0.2475, allocations: 0 / 1.092 GB, free: 12.75 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.255e-05/0.2475, allocations: 8 kB / 1.092 GB, free: 12.74 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.833e-06/0.2476, allocations: 4 kB / 1.092 GB, free: 12.74 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004349/0.248, allocations: 176.7 kB / 1.093 GB, free: 12.57 MB / 0.8575 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00107/0.2491, allocations: 0.843 MB / 1.093 GB, free: 11.66 MB / 0.8575 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004884/0.2496, allocations: 186.7 kB / 1.094 GB, free: 11.47 MB / 0.8575 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002075/0.2498, allocations: 88.81 kB / 1.094 GB, free: 11.38 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 2.247e-05/0.2498, allocations: 4 kB / 1.094 GB, free: 11.38 MB / 0.8575 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.632e-05/0.2499, allocations: 30.56 kB / 1.094 GB, free: 11.34 MB / 0.8575 GB Notification: Performance of pre-optimization done (n=12): time 1.352e-06/0.2499, allocations: 0 / 1.094 GB, free: 11.34 MB / 0.8575 GB Notification: Performance of matching and sorting (n=12): time 0.0006244/0.2505, allocations: 233.4 kB / 1.094 GB, free: 11.1 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.733e-05/0.2505, allocations: 81.11 kB / 1.094 GB, free: 11 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002143/0.2508, allocations: 232.4 kB / 1.094 GB, free: 10.77 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 1.988e-05/0.2508, allocations: 29.7 kB / 1.094 GB, free: 10.73 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 9.303e-05/0.2509, allocations: 152.2 kB / 1.094 GB, free: 10.58 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 2.992e-05/0.2509, allocations: 39.36 kB / 1.094 GB, free: 10.54 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.795e-05/0.251, allocations: 37.7 kB / 1.095 GB, free: 10.5 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 9.865e-05/0.2511, allocations: 330.8 kB / 1.095 GB, free: 10.16 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001925/0.2513, allocations: 68.81 kB / 1.095 GB, free: 10.09 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002012/0.2515, allocations: 105.1 kB / 1.095 GB, free: 9.973 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003557/0.2519, allocations: 159.3 kB / 1.095 GB, free: 9.805 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.645e-06/0.2519, allocations: 4 kB / 1.095 GB, free: 9.801 MB / 0.8575 GB Notification: Performance of matching and sorting (n=17) (initialization): time 0.0004456/0.2523, allocations: 209.4 kB / 1.095 GB, free: 9.59 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 1.62e-05/0.2524, allocations: 13.7 kB / 1.095 GB, free: 9.578 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.061e-06/0.2524, allocations: 3.938 kB / 1.095 GB, free: 9.574 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.393e-05/0.2524, allocations: 0 / 1.095 GB, free: 9.574 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001648/0.2526, allocations: 35.92 kB / 1.095 GB, free: 9.539 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.542e-06/0.2526, allocations: 0 / 1.095 GB, free: 9.539 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001417/0.2527, allocations: 39.91 kB / 1.095 GB, free: 9.5 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.46e-05/0.2527, allocations: 4 kB / 1.095 GB, free: 9.496 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001925/0.2529, allocations: 160 kB / 1.096 GB, free: 9.336 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001524/0.2531, allocations: 93.12 kB / 1.096 GB, free: 9.227 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002683/0.2534, allocations: 136.7 kB / 1.096 GB, free: 9.082 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.312e-06/0.2534, allocations: 4 kB / 1.096 GB, free: 9.078 MB / 0.8575 GB Notification: Performance of matching and sorting (n=17) (initialization_lambda0): time 0.0003443/0.2537, allocations: 187.8 kB / 1.096 GB, free: 8.891 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 7.734e-06/0.2537, allocations: 4 kB / 1.096 GB, free: 8.887 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.603e-06/0.2538, allocations: 0 / 1.096 GB, free: 8.887 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.09e-06/0.2538, allocations: 7.938 kB / 1.096 GB, free: 8.879 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001281/0.2539, allocations: 31.97 kB / 1.096 GB, free: 8.848 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.254e-06/0.2539, allocations: 0 / 1.096 GB, free: 8.848 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001221/0.254, allocations: 27.83 kB / 1.096 GB, free: 8.82 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.628e-06/0.254, allocations: 7.938 kB / 1.096 GB, free: 8.812 MB / 0.8575 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 1 (conBoiRet.conPID.con1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (17): * Single equations (assignments): 17 * 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 9.104e-05/0.2541, allocations: 196.2 kB / 1.096 GB, free: 8.613 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.094e-05/0.2542, allocations: 15.81 kB / 1.096 GB, free: 8.598 MB / 0.8575 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.08e-05/0.2542, allocations: 25.33 kB / 1.096 GB, free: 8.578 MB / 0.8575 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.266e-06/0.2543, allocations: 4 kB / 1.096 GB, free: 8.574 MB / 0.8575 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.228e-06/0.2543, allocations: 0 / 1.096 GB, free: 8.574 MB / 0.8575 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.855e-06/0.2543, allocations: 0 / 1.096 GB, free: 8.574 MB / 0.8575 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002793/0.2546, allocations: 305.4 kB / 1.097 GB, free: 8.227 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.302e-06/0.2546, allocations: 0 / 1.097 GB, free: 8.227 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001517/0.2547, allocations: 27.92 kB / 1.097 GB, free: 8.199 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.444e-06/0.2547, allocations: 0 / 1.097 GB, free: 8.199 MB / 0.8575 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.37e-05/0.2547, allocations: 11.94 kB / 1.097 GB, free: 8.188 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.819e-06/0.2548, allocations: 7.984 kB / 1.097 GB, free: 8.18 MB / 0.8575 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.61e-07/0.2548, allocations: 0 / 1.097 GB, free: 8.18 MB / 0.8575 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006192/0.2554, allocations: 339.6 kB / 1.097 GB, free: 7.832 MB / 0.8575 GB Notification: Performance of postOpt removeConstants (simulation): time 5.44e-05/0.2555, allocations: 100.9 kB / 1.097 GB, free: 7.715 MB / 0.8575 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.549e-05/0.2555, allocations: 3.938 kB / 1.097 GB, free: 7.711 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001411/0.2556, allocations: 23.97 kB / 1.097 GB, free: 7.688 MB / 0.8575 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.391e-05/0.2557, allocations: 4 kB / 1.097 GB, free: 7.684 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.151e-05/0.2557, allocations: 7.984 kB / 1.097 GB, free: 7.676 MB / 0.8575 GB Notification: Performance of sorting global known variables: time 0.0001453/0.2558, allocations: 167.4 kB / 1.097 GB, free: 7.512 MB / 0.8575 GB Notification: Performance of sort global known variables: time 1.5e-07/0.2558, allocations: 0 / 1.097 GB, free: 7.512 MB / 0.8575 GB Notification: Performance of remove unused functions: time 0.0003475/0.2562, allocations: 63.75 kB / 1.097 GB, free: 7.449 MB / 0.8575 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 1 (conBoiRet.conPID.I.y) * 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 (12): * Single equations (assignments): 12 * 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 Backend phase and start with SimCode phase: time 0.0008426/0.257, allocations: 0.8879 MB / 1.098 GB, free: 6.531 MB / 0.8575 GB Notification: Performance of simCode: created initialization part: time 0.000565/0.2576, allocations: 223.8 kB / 1.098 GB, free: 6.312 MB / 0.8575 GB Notification: Performance of simCode: created event and clocks part: time 2.114e-06/0.2576, allocations: 0 / 1.098 GB, free: 6.312 MB / 0.8575 GB Notification: Performance of simCode: created simulation system equations: time 0.0001752/0.2578, allocations: 67.91 kB / 1.098 GB, free: 6.246 MB / 0.8575 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003665/0.2582, allocations: 52.66 kB / 1.099 GB, free: 6.199 MB / 0.8575 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002751/0.2609, allocations: 2.264 MB / 1.101 GB, free: 3.84 MB / 0.8575 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002688/0.2612, allocations: 0.7478 MB / 1.101 GB, free: 3.066 MB / 0.8575 GB Notification: Performance of simCode: alias equations: time 8.584e-05/0.2613, allocations: 25.48 kB / 1.101 GB, free: 3.043 MB / 0.8575 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001026/0.2614, allocations: 63.41 kB / 1.102 GB, free: 2.98 MB / 0.8575 GB Notification: Performance of SimCode: time 2.9e-07/0.2614, allocations: 0 / 1.102 GB, free: 2.98 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02153/0.283, allocations: 4.157 MB / 1.106 GB, free: 14.96 MB / 0.8731 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.444/7.727, allocations: 3.984 kB / 1.106 GB, free: 14.95 MB / 0.8731 GB (rm -f Buildings_9_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe ; mkfifo Buildings_9_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe ; head -c 1048576 < Buildings_9_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe >> ../files/Buildings_9_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn_res.csv --start-time 0 --stop-time 3600 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.44 Buildings_9_Buildings_Examples_Tutorial_CDL_Controls_Validation_BoilerReturn.fmu > Buildings_9_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Examples_Tutorial_CDL_Controls_Validation_BoilerReturn.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Examples.Tutorial.CDL.Controls.Validation.BoilerReturn.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches