Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-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: translateModel(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|heaPum.QCon_flow|heaPum1.QCon_flow|capErr.y",fileNamePrefix="Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor") translateModel(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|heaPum.QCon_flow|heaPum1.QCon_flow|capErr.y",fileNamePrefix="Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.000869/0.000869, allocations: 98.72 kB / 16.02 MB, free: 76 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001067/0.001067, allocations: 184.6 kB / 16.92 MB, free: 6.895 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.38/1.38, allocations: 223.3 MB / 241 MB, free: 5.34 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.383/2.383, allocations: 390.9 MB / 0.667 GB, free: 2.434 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.0003543/0.0003542, allocations: 12 kB / 0.8166 GB, free: 13.27 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6797/0.6801, allocations: 142.4 MB / 0.9557 GB, free: 7.688 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor): time 0.1399/0.82, allocations: 127.9 MB / 1.081 GB, free: 15.07 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.0388/0.8589, allocations: 25.01 MB / 1.105 GB, free: 5.996 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005687/0.8646, allocations: 119.2 kB / 1.105 GB, free: 5.879 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.005182/0.8698, allocations: 1.418 MB / 1.107 GB, free: 4.453 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.01353/0.8834, allocations: 4.158 MB / 1.111 GB, free: 292 kB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.00964/0.8931, allocations: 3.19 MB / 1.114 GB, free: 13.12 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.01512/0.9082, allocations: 11.42 MB / 1.125 GB, free: 1.68 MB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005599/0.9138, allocations: 2.524 MB / 1.127 GB, free: 15.09 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007254/0.9211, allocations: 2.761 MB / 1.13 GB, free: 12.32 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004643/0.9258, allocations: 2.298 MB / 1.132 GB, free: 10.01 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.001121/0.927, allocations: 128 kB / 1.132 GB, free: 9.887 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007151/0.9342, allocations: 2.473 MB / 1.135 GB, free: 7.41 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.001372/0.9356, allocations: 0.6221 MB / 1.135 GB, free: 6.785 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.003762/0.9394, allocations: 1.712 MB / 1.137 GB, free: 5.059 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.007725/0.9471, allocations: 4.828 MB / 1.142 GB, free: 224 kB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 8.496e-06/0.9472, allocations: 0 / 1.142 GB, free: 224 kB / 0.8887 GB Notification: Performance of FrontEnd: time 3.987e-06/0.9472, allocations: 0 / 1.142 GB, free: 224 kB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002155/0.9474, allocations: 0 / 1.142 GB, free: 224 kB / 0.8887 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 577 * Number of variables: 577 Notification: Performance of Generate backend data structure: time 0.008181/0.9556, allocations: 3.358 MB / 1.145 GB, free: 12.76 MB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 4.698e-05/0.9557, allocations: 12.03 kB / 1.145 GB, free: 12.75 MB / 0.9044 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01061/0.9663, allocations: 1.369 MB / 1.146 GB, free: 11.37 MB / 0.9044 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006399/0.9727, allocations: 2.924 MB / 1.149 GB, free: 8.371 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003406/0.9731, allocations: 255.8 kB / 1.15 GB, free: 8.105 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000721/0.9738, allocations: 232 kB / 1.15 GB, free: 7.879 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009017/0.9829, allocations: 3.169 MB / 1.153 GB, free: 4.527 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.324e-05/0.983, allocations: 7.938 kB / 1.153 GB, free: 4.52 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004557/0.9835, allocations: 112 kB / 1.153 GB, free: 4.41 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.541e-05/0.9836, allocations: 63.94 kB / 1.153 GB, free: 4.348 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00978/0.9934, allocations: 2.792 MB / 1.156 GB, free: 1.539 MB / 0.9044 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 0.02304/1.016, allocations: 13.29 MB / 1.169 GB, free: 3.621 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004462/1.021, allocations: 1.429 MB / 1.17 GB, free: 2.184 MB / 0.92 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003265/1.024, allocations: 0.905 MB / 1.171 GB, free: 1.277 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001987/1.026, allocations: 1.781 MB / 1.173 GB, free: 15.11 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003956/1.03, allocations: 1.174 MB / 1.174 GB, free: 13.87 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=126): time 6.703e-06/1.03, allocations: 0 / 1.174 GB, free: 13.87 MB / 0.9356 GB Notification: Performance of matching and sorting (n=126): time 0.02309/1.053, allocations: 4.286 MB / 1.178 GB, free: 9.527 MB / 0.9356 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002959/1.054, allocations: 0.5766 MB / 1.179 GB, free: 8.816 MB / 0.9356 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005327/1.059, allocations: 2.505 MB / 1.181 GB, free: 6.293 MB / 0.9356 GB Notification: Performance of collectPreVariables (initialization): time 0.000455/1.06, allocations: 61.7 kB / 1.181 GB, free: 6.227 MB / 0.9356 GB Notification: Performance of collectInitialEqns (initialization): time 0.001418/1.061, allocations: 1.344 MB / 1.182 GB, free: 4.867 MB / 0.9356 GB Notification: Performance of collectInitialBindings (initialization): time 0.000822/1.062, allocations: 445.7 kB / 1.183 GB, free: 4.426 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004761/1.062, allocations: 145.6 kB / 1.183 GB, free: 4.277 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.0001079/1.062, allocations: 301.1 kB / 1.183 GB, free: 3.98 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004034/1.067, allocations: 0.9759 MB / 1.184 GB, free: 3.004 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004491/1.071, allocations: 1.568 MB / 1.186 GB, free: 1.199 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007368/1.078, allocations: 2.231 MB / 1.188 GB, free: 14.8 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.886e-05/1.079, allocations: 4 kB / 1.188 GB, free: 14.79 MB / 0.9512 GB Notification: Performance of matching and sorting (n=223) (initialization): time 0.01247/1.091, allocations: 3.101 MB / 1.191 GB, free: 11.67 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 0.0003917/1.091, allocations: 475.6 kB / 1.191 GB, free: 11.03 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.459e-05/1.091, allocations: 15.98 kB / 1.191 GB, free: 11.02 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002756/1.094, allocations: 0.7219 MB / 1.192 GB, free: 10.3 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002933/1.097, allocations: 0.5031 MB / 1.193 GB, free: 9.793 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002572/1.1, allocations: 1.802 MB / 1.194 GB, free: 7.941 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004982/1.105, allocations: 0.5099 MB / 1.195 GB, free: 7.43 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004193/1.105, allocations: 111.8 kB / 1.195 GB, free: 7.32 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 1.432e-05/1.105, allocations: 4 kB / 1.195 GB, free: 7.316 MB / 0.9512 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01121/1.116, allocations: 2.81 MB / 1.198 GB, free: 4.492 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.43e-05/1.117, allocations: 19.97 kB / 1.198 GB, free: 4.473 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002556/1.119, allocations: 0.7237 MB / 1.199 GB, free: 3.754 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002819/1.122, allocations: 0.4953 MB / 1.199 GB, free: 3.258 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002443/1.124, allocations: 1.803 MB / 1.201 GB, free: 1.406 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004514/1.129, allocations: 450.1 kB / 1.201 GB, free: 0.9648 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003727/1.129, allocations: 107.9 kB / 1.201 GB, free: 0.8594 MB / 0.9512 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 53 * Number of states: 0 () * Number of discrete variables: 10 (realToInteger.y,N.count,$PRE.N.count,N.T_start,$PRE.N.T_start,heaPum1.com.isOn,$PRE.heaPum1.com.isOn,heaPum.com.isOn,$PRE.heaPum.com.isOn,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (186): * Single equations (assignments): 183 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,17), (2,17)} Notification: Performance of prepare postOptimizeDAE: time 0.001804/1.131, allocations: 0.6975 MB / 1.202 GB, free: 156 kB / 0.9512 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008738/1.132, allocations: 268.8 kB / 1.202 GB, free: 15.88 MB / 0.9669 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01174/1.144, allocations: 2.609 MB / 1.205 GB, free: 13.27 MB / 0.9669 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.556e-05/1.144, allocations: 16 kB / 1.205 GB, free: 13.25 MB / 0.9669 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.477e-05/1.144, allocations: 4 kB / 1.205 GB, free: 13.25 MB / 0.9669 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01045/1.154, allocations: 2.215 MB / 1.207 GB, free: 10.98 MB / 0.9669 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01751/1.172, allocations: 6.501 MB / 1.213 GB, free: 4.305 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.256e-05/1.172, allocations: 8 kB / 1.213 GB, free: 4.297 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001908/1.174, allocations: 296.2 kB / 1.214 GB, free: 4.008 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002547/1.176, allocations: 0.7117 MB / 1.214 GB, free: 3.301 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002083/1.177, allocations: 47.95 kB / 1.214 GB, free: 3.254 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002413/1.179, allocations: 1.789 MB / 1.216 GB, free: 1.414 MB / 0.9669 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.773e-05/1.179, allocations: 15.88 kB / 1.216 GB, free: 1.398 MB / 0.9669 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01268/1.192, allocations: 3.573 MB / 1.22 GB, free: 13.69 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001884/1.194, allocations: 0.6611 MB / 1.22 GB, free: 13.01 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009133/1.195, allocations: 43.98 kB / 1.22 GB, free: 12.96 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003773/1.199, allocations: 275.5 kB / 1.221 GB, free: 12.7 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000297/1.199, allocations: 112.7 kB / 1.221 GB, free: 12.59 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002307/1.199, allocations: 71.92 kB / 1.221 GB, free: 12.52 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.004048/1.203, allocations: 1.766 MB / 1.222 GB, free: 10.75 MB / 0.9825 GB Notification: Performance of sort global known variables: time 5.31e-07/1.203, allocations: 0 / 1.222 GB, free: 10.75 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.006365/1.21, allocations: 1.661 MB / 1.224 GB, free: 9.082 MB / 0.9825 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 33 * Number of states: 4 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U,heaPum1.con.vol.dynBal.U,heaPum1.eva.vol.dynBal.U) * Number of discrete variables: 6 ($whenCondition1,heaPum.com.isOn,heaPum1.com.isOn,N.T_start,N.count,realToInteger.y) * Number of discrete states: 3 (N.count,heaPum1.com.isOn,heaPum.com.isOn) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (88): * Single equations (assignments): 82 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,17), (2,17)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002244/1.212, allocations: 0.815 MB / 1.225 GB, free: 8.277 MB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.01274/1.225, allocations: 3.618 MB / 1.228 GB, free: 4.641 MB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 1.776e-05/1.225, allocations: 4.438 kB / 1.228 GB, free: 4.637 MB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 0.003553/1.228, allocations: 0.9878 MB / 1.229 GB, free: 3.648 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01085/1.239, allocations: 1.427 MB / 1.231 GB, free: 2.246 MB / 0.9825 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01419/1.253, allocations: 6.466 MB / 1.237 GB, free: 11.65 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001615/1.255, allocations: 1.703 MB / 1.239 GB, free: 9.918 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001106/1.256, allocations: 287.2 kB / 1.239 GB, free: 9.637 MB / 0.9981 GB Notification: Performance of SimCode: time 8.52e-07/1.256, allocations: 0 / 1.239 GB, free: 9.637 MB / 0.9981 GB Notification: Performance of Templates: time 0.6084/1.864, allocations: 80.5 MB / 1.318 GB, free: 222.8 MB / 0.9981 GB make -j1 -f Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.makefile (rm -f Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.pipe ; mkfifo Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.pipe ; head -c 1048576 < Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.pipe >> ../files/Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.sim & ./Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_Fluid_HeatPumps_Validation_ReciprocatingWaterToWater_ScalingFactor.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_ScalingFactor.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches