Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet.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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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: translateModel(Buildings.Fluid.Interfaces.Examples.PrescribedOutlet,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|heaHigPow.sta_a.T|heaHigPow.sta_b.T|cooLimPow.sta_a.T|cooLimPow.sta_b.T|heaCooUnl.sta_a.T|heaCooUnl.sta_b.T|heaCooUnl.TSet|steSta.sta_b.T|heaHigPow.Q_flow|cooLimPow.Q_flow|heaCooUnl.Q_flow|steSta.Q_flow|setHeaHigPow.y.2.|heaHigPow.port_b.Xi_outflow.1.|setCooLimPow.y.2.|cooLimPow.port_b.Xi_outflow.1.|setHeaCooUnl.y.2.|heaCooUnl.port_b.Xi_outflow.1.|steSta.port_b.Xi_outflow.1.|heaCooUnl.X_wSet|heaCooUnl.sta_b.X.1.|heaHigPow.mWat_flow|cooLimPow.mWat_flow|heaCooUnl.mWat_flow|steSta.mWat_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet") translateModel(Buildings.Fluid.Interfaces.Examples.PrescribedOutlet,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|heaHigPow.sta_a.T|heaHigPow.sta_b.T|cooLimPow.sta_a.T|cooLimPow.sta_b.T|heaCooUnl.sta_a.T|heaCooUnl.sta_b.T|heaCooUnl.TSet|steSta.sta_b.T|heaHigPow.Q_flow|cooLimPow.Q_flow|heaCooUnl.Q_flow|steSta.Q_flow|setHeaHigPow.y.2.|heaHigPow.port_b.Xi_outflow.1.|setCooLimPow.y.2.|cooLimPow.port_b.Xi_outflow.1.|setHeaCooUnl.y.2.|heaCooUnl.port_b.Xi_outflow.1.|steSta.port_b.Xi_outflow.1.|heaCooUnl.X_wSet|heaCooUnl.sta_b.X.1.|heaHigPow.mWat_flow|cooLimPow.mWat_flow|heaCooUnl.mWat_flow|steSta.mWat_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008906/0.008906, allocations: 96.64 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 0.001913/0.001913, allocations: 194.5 kB / 16.67 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.381/1.381, allocations: 222.9 MB / 240.4 MB, free: 4.312 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.993/2.993, allocations: 472.6 MB / 0.7453 GB, free: 4.594 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001184/0.001184, allocations: 63.89 kB / 1.07 GB, free: 9.164 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3316/0.3328, allocations: 159.9 MB / 1.226 GB, free: 9.141 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Interfaces.Examples.PrescribedOutlet): time 1.148/1.48, allocations: 193.8 MB / 1.415 GB, free: 7.219 MB / 1.107 GB Notification: Performance of NFInst.instExpressions: time 0.0105/1.491, allocations: 5.154 MB / 1.42 GB, free: 3.035 MB / 1.107 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002457/1.493, allocations: 45.47 kB / 1.42 GB, free: 3.016 MB / 1.107 GB Notification: Performance of NFTyping.typeComponents: time 0.002742/1.496, allocations: 0.8102 MB / 1.421 GB, free: 2.41 MB / 1.107 GB Notification: Performance of NFTyping.typeBindings: time 0.009175/1.506, allocations: 2.598 MB / 1.423 GB, free: 480 kB / 1.107 GB Notification: Performance of NFTyping.typeClassSections: time 0.003801/1.509, allocations: 1.117 MB / 1.424 GB, free: 15.64 MB / 1.123 GB Notification: Performance of NFFlatten.flatten: time 0.005351/1.515, allocations: 2.68 MB / 1.427 GB, free: 14.11 MB / 1.123 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001979/1.517, allocations: 0.9461 MB / 1.428 GB, free: 13.52 MB / 1.123 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003022/1.52, allocations: 1.105 MB / 1.429 GB, free: 12.9 MB / 1.123 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002696/1.522, allocations: 0.9906 MB / 1.43 GB, free: 12.34 MB / 1.123 GB Notification: Performance of NFPackage.collectConstants: time 0.0004293/1.523, allocations: 87.81 kB / 1.43 GB, free: 12.34 MB / 1.123 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005717/1.529, allocations: 1.795 MB / 1.432 GB, free: 11.2 MB / 1.123 GB Notification: Performance of NFScalarize.scalarize: time 0.0009136/1.53, allocations: 446.6 kB / 1.432 GB, free: 10.77 MB / 1.123 GB Notification: Performance of NFVerifyModel.verify: time 0.001241/1.531, allocations: 0.6649 MB / 1.433 GB, free: 10.1 MB / 1.123 GB Notification: Performance of NFConvertDAE.convert: time 0.007008/1.538, allocations: 2.211 MB / 1.435 GB, free: 7.879 MB / 1.123 GB Notification: Performance of FrontEnd - DAE generated: time 8.686e-06/1.538, allocations: 0 / 1.435 GB, free: 7.879 MB / 1.123 GB Notification: Performance of FrontEnd: time 2.605e-06/1.538, allocations: 0 / 1.435 GB, free: 7.879 MB / 1.123 GB Notification: Performance of Transformations before backend: time 2.661e-05/1.538, allocations: 0 / 1.435 GB, free: 7.879 MB / 1.123 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 226 * Number of variables: 226 Notification: Performance of Generate backend data structure: time 0.005805/1.544, allocations: 2.017 MB / 1.437 GB, free: 5.805 MB / 1.123 GB Notification: Performance of prepare preOptimizeDAE: time 5.179e-05/1.544, allocations: 12.03 kB / 1.437 GB, free: 5.793 MB / 1.123 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005466/1.549, allocations: 0.8964 MB / 1.438 GB, free: 4.895 MB / 1.123 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002487/1.552, allocations: 0.985 MB / 1.439 GB, free: 3.852 MB / 1.123 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.082e-05/1.552, allocations: 69.98 kB / 1.439 GB, free: 3.785 MB / 1.123 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002013/1.552, allocations: 88 kB / 1.439 GB, free: 3.699 MB / 1.123 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004342/1.557, allocations: 1.584 MB / 1.441 GB, free: 2.082 MB / 1.123 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.641e-05/1.557, allocations: 4 kB / 1.441 GB, free: 2.078 MB / 1.123 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001106/1.557, allocations: 32 kB / 1.441 GB, free: 2.047 MB / 1.123 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.268e-05/1.557, allocations: 53.92 kB / 1.441 GB, free: 1.996 MB / 1.123 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005275/1.562, allocations: 1.85 MB / 1.443 GB, free: 144 kB / 1.123 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 0.008223/1.57, allocations: 4.744 MB / 1.447 GB, free: 11.16 MB / 1.139 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004396/1.575, allocations: 1.563 MB / 1.449 GB, free: 9.598 MB / 1.139 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00231/1.577, allocations: 0.8507 MB / 1.449 GB, free: 8.742 MB / 1.139 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00134/1.578, allocations: 0.9452 MB / 1.45 GB, free: 7.613 MB / 1.139 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00253/1.581, allocations: 0.9227 MB / 1.451 GB, free: 6.676 MB / 1.139 GB Notification: Performance of pre-optimization done (n=95): time 3.887e-06/1.581, allocations: 0 / 1.451 GB, free: 6.676 MB / 1.139 GB Notification: Performance of matching and sorting (n=95): time 0.008079/1.589, allocations: 2.455 MB / 1.454 GB, free: 4.215 MB / 1.139 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.719e-05/1.589, allocations: 60.41 kB / 1.454 GB, free: 4.145 MB / 1.139 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001952/1.591, allocations: 1.205 MB / 1.455 GB, free: 2.93 MB / 1.139 GB Notification: Performance of collectPreVariables (initialization): time 0.0001476/1.591, allocations: 41.7 kB / 1.455 GB, free: 2.883 MB / 1.139 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005362/1.592, allocations: 0.5454 MB / 1.456 GB, free: 2.332 MB / 1.139 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003764/1.592, allocations: 345.1 kB / 1.456 GB, free: 1.992 MB / 1.139 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004247/1.593, allocations: 186.6 kB / 1.456 GB, free: 1.805 MB / 1.139 GB Notification: Performance of setup shared object (initialization): time 0.0001777/1.593, allocations: 345.9 kB / 1.456 GB, free: 1.461 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002303/1.595, allocations: 0.6966 MB / 1.457 GB, free: 0.7617 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00253/1.598, allocations: 0.9113 MB / 1.458 GB, free: 15.79 MB / 1.154 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00461/1.602, allocations: 1.55 MB / 1.459 GB, free: 14.18 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.428e-06/1.602, allocations: 4 kB / 1.459 GB, free: 14.17 MB / 1.154 GB Notification: Performance of matching and sorting (n=121) (initialization): time 0.005591/1.608, allocations: 1.793 MB / 1.461 GB, free: 12.37 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 3.301e-05/1.608, allocations: 8.438 kB / 1.461 GB, free: 12.36 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.379e-05/1.608, allocations: 8 kB / 1.461 GB, free: 12.36 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.518e-05/1.608, allocations: 8 kB / 1.461 GB, free: 12.35 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001727/1.61, allocations: 343.5 kB / 1.462 GB, free: 12.01 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.537e-05/1.61, allocations: 11.94 kB / 1.462 GB, free: 12 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00173/1.612, allocations: 239 kB / 1.462 GB, free: 11.77 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000142/1.612, allocations: 43.98 kB / 1.462 GB, free: 11.72 MB / 1.154 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 19 * Number of states: 0 () * Number of discrete variables: 15 ($PRE.setHeaHigPow.nextTimeEvent,$whenCondition3,$PRE.setCooLimPow.nextTimeEvent,$whenCondition2,$PRE.setHeaCooUnl.nextTimeEvent,$whenCondition1,setHeaCooUnl.nextTimeEventScaled,$PRE.setHeaCooUnl.nextTimeEventScaled,setHeaCooUnl.nextTimeEvent,setCooLimPow.nextTimeEventScaled,$PRE.setCooLimPow.nextTimeEventScaled,setCooLimPow.nextTimeEvent,setHeaHigPow.nextTimeEventScaled,$PRE.setHeaHigPow.nextTimeEventScaled,setHeaHigPow.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (121): * Single equations (assignments): 121 * 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 0.0007367/1.612, allocations: 332.6 kB / 1.462 GB, free: 11.39 MB / 1.154 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000449/1.613, allocations: 143.1 kB / 1.462 GB, free: 11.25 MB / 1.154 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005895/1.619, allocations: 1.807 MB / 1.464 GB, free: 9.434 MB / 1.154 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.68e-05/1.619, allocations: 12 kB / 1.464 GB, free: 9.422 MB / 1.154 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.009e-05/1.619, allocations: 0 / 1.464 GB, free: 9.422 MB / 1.154 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.496e-05/1.619, allocations: 7.984 kB / 1.464 GB, free: 9.414 MB / 1.154 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008386/1.627, allocations: 3.339 MB / 1.467 GB, free: 5.973 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.125e-05/1.627, allocations: 8.062 kB / 1.467 GB, free: 5.965 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001675/1.629, allocations: 283.6 kB / 1.468 GB, free: 5.688 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.974e-05/1.629, allocations: 8 kB / 1.468 GB, free: 5.68 MB / 1.154 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001146/1.629, allocations: 31.97 kB / 1.468 GB, free: 5.648 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.207e-05/1.629, allocations: 11.94 kB / 1.468 GB, free: 5.637 MB / 1.154 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.859e-06/1.629, allocations: 4.094 kB / 1.468 GB, free: 5.633 MB / 1.154 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007726/1.637, allocations: 2.863 MB / 1.47 GB, free: 2.703 MB / 1.154 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007634/1.638, allocations: 324 kB / 1.471 GB, free: 2.367 MB / 1.154 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003041/1.638, allocations: 23.98 kB / 1.471 GB, free: 2.344 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001491/1.64, allocations: 155.8 kB / 1.471 GB, free: 2.191 MB / 1.154 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001703/1.64, allocations: 72.45 kB / 1.471 GB, free: 2.121 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001033/1.64, allocations: 39.97 kB / 1.471 GB, free: 2.082 MB / 1.154 GB Notification: Performance of sorting global known variables: time 0.001356/1.641, allocations: 0.8314 MB / 1.472 GB, free: 1.246 MB / 1.154 GB Notification: Performance of sort global known variables: time 1.3e-07/1.641, allocations: 0 / 1.472 GB, free: 1.246 MB / 1.154 GB Notification: Performance of remove unused functions: time 0.001235/1.642, allocations: 347.6 kB / 1.472 GB, free: 0.9062 MB / 1.154 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 17 * Number of states: 6 (heaHigPow.T,heaHigPow.Xi,cooLimPow.T,cooLimPow.Xi,heaCooUnl.T,heaCooUnl.Xi) * Number of discrete variables: 9 ($whenCondition3,$whenCondition2,$whenCondition1,setHeaHigPow.nextTimeEvent,setHeaHigPow.nextTimeEventScaled,setCooLimPow.nextTimeEvent,setCooLimPow.nextTimeEventScaled,setHeaCooUnl.nextTimeEvent,setHeaCooUnl.nextTimeEventScaled) * Number of discrete states: 6 (setHeaHigPow.nextTimeEvent,setCooLimPow.nextTimeEvent,setHeaCooUnl.nextTimeEvent,setHeaCooUnl.nextTimeEventScaled,setCooLimPow.nextTimeEventScaled,setHeaHigPow.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (95): * Single equations (assignments): 89 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 6 * 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 0.001476/1.644, allocations: 0.539 MB / 1.473 GB, free: 0.5312 MB / 1.154 GB Notification: Performance of simCode: created initialization part: time 0.005041/1.649, allocations: 1.642 MB / 1.474 GB, free: 14.89 MB / 1.17 GB Notification: Performance of simCode: created event and clocks part: time 8.116e-06/1.649, allocations: 0 / 1.474 GB, free: 14.89 MB / 1.17 GB Notification: Performance of simCode: created simulation system equations: time 0.002532/1.652, allocations: 0.8322 MB / 1.475 GB, free: 14.05 MB / 1.17 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003257/1.655, allocations: 0.6147 MB / 1.476 GB, free: 13.45 MB / 1.17 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00664/1.662, allocations: 3.003 MB / 1.479 GB, free: 10.36 MB / 1.17 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001148/1.663, allocations: 1.185 MB / 1.48 GB, free: 9.145 MB / 1.17 GB Notification: Performance of simCode: alias equations: time 0.001568/1.664, allocations: 366 kB / 1.48 GB, free: 8.785 MB / 1.17 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005148/1.665, allocations: 115.4 kB / 1.48 GB, free: 8.672 MB / 1.17 GB Notification: Performance of SimCode: time 2.054e-06/1.665, allocations: 4 kB / 1.48 GB, free: 8.668 MB / 1.17 GB Notification: Performance of Templates: time 0.04167/1.707, allocations: 23.94 MB / 1.504 GB, free: 1.035 MB / 1.186 GB make -j1 -f Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet.makefile (rm -f Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet.pipe >> ../files/Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet.sim & ./Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Interfaces_Examples_PrescribedOutlet.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Interfaces.Examples.PrescribedOutlet.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches