Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.DC.Loads.Examples.VariableLoad.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-master/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-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: "" <> buildModelFMU(Buildings.Electrical.DC.Loads.Examples.VariableLoad,fileNamePrefix="Buildings_latest_Buildings_Electrical_DC_Loads_Examples_VariableLoad",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.DC.Loads.Examples.VariableLoad,fileNamePrefix="Buildings_latest_Buildings_Electrical_DC_Loads_Examples_VariableLoad",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 0.005153/0.005153, allocations: 99.86 kB / 15.73 MB, free: 6.055 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001099/0.001099, allocations: 192.8 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.249/1.249, allocations: 222.9 MB / 240.4 MB, free: 15.1 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-master/package.mo): time 2.415/2.415, allocations: 469.4 MB / 0.7422 GB, free: 3.562 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001309/0.001309, allocations: 67.89 kB / 1.064 GB, free: 14.31 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8035/0.8049, allocations: 159.1 MB / 1.22 GB, free: 2.309 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.DC.Loads.Examples.VariableLoad): time 0.006215/0.8111, allocations: 3.868 MB / 1.223 GB, free: 14.42 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.003298/0.8144, allocations: 1.765 MB / 1.225 GB, free: 12.65 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003455/0.8148, allocations: 7.938 kB / 1.225 GB, free: 12.64 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.001427/0.8163, allocations: 449.4 kB / 1.226 GB, free: 12.2 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.0006797/0.817, allocations: 254.8 kB / 1.226 GB, free: 11.95 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.0006767/0.8177, allocations: 235.5 kB / 1.226 GB, free: 11.72 MB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.0006376/0.8183, allocations: 0.5023 MB / 1.227 GB, free: 11.22 MB / 0.9512 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006291/0.819, allocations: 356.9 kB / 1.227 GB, free: 10.86 MB / 0.9512 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003286/0.8193, allocations: 195.3 kB / 1.227 GB, free: 10.67 MB / 0.9512 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005735/0.8199, allocations: 243.1 kB / 1.227 GB, free: 10.43 MB / 0.9512 GB Notification: Performance of NFPackage.collectConstants: time 7.42e-05/0.82, allocations: 28 kB / 1.227 GB, free: 10.41 MB / 0.9512 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003719/0.8203, allocations: 191.6 kB / 1.228 GB, free: 10.22 MB / 0.9512 GB Notification: Performance of NFScalarize.scalarize: time 0.0001557/0.8205, allocations: 131.6 kB / 1.228 GB, free: 10.09 MB / 0.9512 GB Notification: Performance of NFVerifyModel.verify: time 0.0002102/0.8207, allocations: 179.1 kB / 1.228 GB, free: 9.914 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.0006655/0.8214, allocations: 497.8 kB / 1.228 GB, free: 9.43 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 4.728e-06/0.8214, allocations: 0 / 1.228 GB, free: 9.43 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.503e-06/0.8214, allocations: 0 / 1.228 GB, free: 9.43 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 1.43e-05/0.8214, allocations: 3.938 kB / 1.228 GB, free: 9.426 MB / 0.9512 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 82 * Number of variables: 82 Notification: Performance of Generate backend data structure: time 0.001287/0.8227, allocations: 0.6699 MB / 1.229 GB, free: 8.707 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 4.195e-05/0.8228, allocations: 12.62 kB / 1.229 GB, free: 8.695 MB / 0.9512 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.754e-05/0.8229, allocations: 74.7 kB / 1.229 GB, free: 8.613 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005718/0.8235, allocations: 80.64 kB / 1.229 GB, free: 8.535 MB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004307/0.8239, allocations: 311.7 kB / 1.229 GB, free: 8.191 MB / 0.9512 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.371e-05/0.8239, allocations: 21.03 kB / 1.229 GB, free: 8.172 MB / 0.9512 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.524e-05/0.824, allocations: 24.38 kB / 1.23 GB, free: 8.148 MB / 0.9512 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007866/0.8248, allocations: 493.8 kB / 1.23 GB, free: 7.633 MB / 0.9512 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.28e-05/0.8248, allocations: 0 / 1.23 GB, free: 7.633 MB / 0.9512 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.55e-05/0.8249, allocations: 12 kB / 1.23 GB, free: 7.621 MB / 0.9512 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.556e-05/0.8249, allocations: 36.64 kB / 1.23 GB, free: 7.586 MB / 0.9512 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007588/0.8257, allocations: 366.2 kB / 1.23 GB, free: 7.227 MB / 0.9512 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002224/0.8279, allocations: 2.041 MB / 1.232 GB, free: 4.984 MB / 0.9512 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000577/0.8285, allocations: 222.6 kB / 1.233 GB, free: 4.758 MB / 0.9512 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003706/0.8289, allocations: 156.8 kB / 1.233 GB, free: 4.602 MB / 0.9512 GB Notification: Performance of preOpt evalFunc (simulation): time 2.306e-05/0.8289, allocations: 0 / 1.233 GB, free: 4.602 MB / 0.9512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.377e-05/0.829, allocations: 42.56 kB / 1.233 GB, free: 4.551 MB / 0.9512 GB Notification: Performance of pre-optimization done (n=18): time 9.91e-07/0.829, allocations: 3.938 kB / 1.233 GB, free: 4.547 MB / 0.9512 GB Notification: Performance of matching and sorting (n=18): time 0.0011/0.8301, allocations: 425 kB / 1.233 GB, free: 4.105 MB / 0.9512 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.744e-05/0.8301, allocations: 55.39 kB / 1.233 GB, free: 4.039 MB / 0.9512 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002577/0.8304, allocations: 254.7 kB / 1.233 GB, free: 3.789 MB / 0.9512 GB Notification: Performance of collectPreVariables (initialization): time 2.577e-05/0.8304, allocations: 33.7 kB / 1.234 GB, free: 3.75 MB / 0.9512 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001398/0.8306, allocations: 212.2 kB / 1.234 GB, free: 3.539 MB / 0.9512 GB Notification: Performance of collectInitialBindings (initialization): time 4.876e-05/0.8306, allocations: 67.48 kB / 1.234 GB, free: 3.473 MB / 0.9512 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.131e-05/0.8307, allocations: 57.92 kB / 1.234 GB, free: 3.406 MB / 0.9512 GB Notification: Performance of setup shared object (initialization): time 0.0001462/0.8309, allocations: 338.8 kB / 1.234 GB, free: 3.066 MB / 0.9512 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002493/0.8311, allocations: 97.91 kB / 1.234 GB, free: 2.969 MB / 0.9512 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003131/0.8314, allocations: 207.5 kB / 1.234 GB, free: 2.715 MB / 0.9512 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005612/0.832, allocations: 307.5 kB / 1.235 GB, free: 2.367 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.196e-06/0.832, allocations: 0 / 1.235 GB, free: 2.367 MB / 0.9512 GB Notification: Performance of matching and sorting (n=33) (initialization): time 0.0007515/0.8328, allocations: 362.2 kB / 1.235 GB, free: 2.004 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 1.625e-05/0.8328, allocations: 10.41 kB / 1.235 GB, free: 1.996 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.085e-05/0.8328, allocations: 7.984 kB / 1.235 GB, free: 1.988 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001921/0.833, allocations: 28.84 kB / 1.235 GB, free: 1.957 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002756/0.8333, allocations: 71.83 kB / 1.235 GB, free: 1.887 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001214/0.8345, allocations: 1.441 MB / 1.237 GB, free: 312 kB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002539/0.8348, allocations: 43.72 kB / 1.237 GB, free: 268 kB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.417e-05/0.8348, allocations: 16 kB / 1.237 GB, free: 252 kB / 0.9512 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003234/0.8352, allocations: 216.6 kB / 1.237 GB, free: 32 kB / 0.9512 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003259/0.8355, allocations: 217 kB / 1.237 GB, free: 15.76 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005349/0.8361, allocations: 318.9 kB / 1.237 GB, free: 15.4 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.955e-06/0.8361, allocations: 0 / 1.237 GB, free: 15.4 MB / 0.9669 GB Notification: Performance of matching and sorting (n=33) (initialization_lambda0): time 0.0006828/0.8368, allocations: 341 kB / 1.238 GB, free: 15.06 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 9.508e-06/0.8368, allocations: 4 kB / 1.238 GB, free: 15.05 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.911e-06/0.8368, allocations: 4 kB / 1.238 GB, free: 15.05 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.607e-06/0.8368, allocations: 8 kB / 1.238 GB, free: 15.04 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002758/0.8371, allocations: 72.36 kB / 1.238 GB, free: 14.97 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.13e-05/0.8371, allocations: 15.92 kB / 1.238 GB, free: 14.96 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002305/0.8373, allocations: 35.83 kB / 1.238 GB, free: 14.92 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.558e-05/0.8374, allocations: 12 kB / 1.238 GB, free: 14.91 MB / 0.9669 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (32): * Single equations (assignments): 31 * 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 {(1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.0001228/0.8375, allocations: 200.6 kB / 1.238 GB, free: 14.71 MB / 0.9669 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.908e-05/0.8376, allocations: 27.86 kB / 1.238 GB, free: 14.68 MB / 0.9669 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.77e-05/0.8376, allocations: 30.17 kB / 1.238 GB, free: 14.65 MB / 0.9669 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.567e-06/0.8376, allocations: 7.938 kB / 1.238 GB, free: 14.64 MB / 0.9669 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.577e-06/0.8376, allocations: 4 kB / 1.238 GB, free: 14.64 MB / 0.9669 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.777e-06/0.8376, allocations: 4 kB / 1.238 GB, free: 14.63 MB / 0.9669 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001116/0.8388, allocations: 0.7538 MB / 1.239 GB, free: 13.8 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.494e-06/0.8388, allocations: 0 / 1.239 GB, free: 13.8 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001835/0.839, allocations: 43.97 kB / 1.239 GB, free: 13.76 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001019/0.8391, allocations: 24.83 kB / 1.239 GB, free: 13.73 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.479e-05/0.8391, allocations: 4 kB / 1.239 GB, free: 13.73 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001049/0.8402, allocations: 1.426 MB / 1.24 GB, free: 12.16 MB / 0.9669 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.463e-06/0.8402, allocations: 0 / 1.24 GB, free: 12.16 MB / 0.9669 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00062/0.8408, allocations: 372.2 kB / 1.241 GB, free: 11.78 MB / 0.9669 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001142/0.8409, allocations: 124.9 kB / 1.241 GB, free: 11.64 MB / 0.9669 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.123e-05/0.841, allocations: 3.984 kB / 1.241 GB, free: 11.63 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001987/0.8412, allocations: 15.98 kB / 1.241 GB, free: 11.62 MB / 0.9669 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.099e-05/0.8412, allocations: 19.92 kB / 1.241 GB, free: 11.6 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.312e-05/0.8413, allocations: 4 kB / 1.241 GB, free: 11.59 MB / 0.9669 GB Notification: Performance of sorting global known variables: time 0.0001652/0.8414, allocations: 189.9 kB / 1.241 GB, free: 11.41 MB / 0.9669 GB Notification: Performance of sort global known variables: time 1.1e-07/0.8414, allocations: 0 / 1.241 GB, free: 11.41 MB / 0.9669 GB Notification: Performance of remove unused functions: time 0.000546/0.842, allocations: 143.7 kB / 1.241 GB, free: 11.27 MB / 0.9669 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * 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 (18): * 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: 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 {(1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0009015/0.8429, allocations: 0.9021 MB / 1.242 GB, free: 10.32 MB / 0.9669 GB Notification: Performance of simCode: created initialization part: time 0.001052/0.844, allocations: 492.6 kB / 1.242 GB, free: 9.832 MB / 0.9669 GB Notification: Performance of simCode: created event and clocks part: time 2.815e-06/0.844, allocations: 0 / 1.242 GB, free: 9.832 MB / 0.9669 GB Notification: Performance of simCode: created simulation system equations: time 0.0003543/0.8443, allocations: 223.8 kB / 1.243 GB, free: 9.602 MB / 0.9669 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004782/0.8448, allocations: 72.47 kB / 1.243 GB, free: 9.535 MB / 0.9669 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003847/0.8487, allocations: 2.888 MB / 1.246 GB, free: 6.461 MB / 0.9669 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003856/0.8491, allocations: 0.8074 MB / 1.246 GB, free: 5.629 MB / 0.9669 GB Notification: Performance of simCode: alias equations: time 0.0002047/0.8493, allocations: 70.22 kB / 1.246 GB, free: 5.559 MB / 0.9669 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001317/0.8494, allocations: 91.34 kB / 1.247 GB, free: 5.469 MB / 0.9669 GB Notification: Performance of SimCode: time 2.31e-07/0.8494, allocations: 0 / 1.247 GB, free: 5.469 MB / 0.9669 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02446/0.8739, allocations: 6.344 MB / 1.253 GB, free: 15.3 MB / 0.9825 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.17/12.05, allocations: 8.594 kB / 1.253 GB, free: 15.29 MB / 0.9825 GB (rm -f Buildings_latest_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe ; mkfifo Buildings_latest_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe >> ../files/Buildings_latest_Buildings.Electrical.DC.Loads.Examples.VariableLoad.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Electrical.DC.Loads.Examples.VariableLoad_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_DC_Loads_Examples_VariableLoad.fmu > Buildings_latest_Buildings.Electrical.DC.Loads.Examples.VariableLoad.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Electrical.DC.Loads.Examples.VariableLoad_res.csv","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Electrical_DC_Loads_Examples_VariableLoad.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Electrical.DC.Loads.Examples.VariableLoad.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches