Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice.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.Geothermal.Aquifer.Examples.CoolingOffice,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|aquWel.TAquHot.50.",fileNamePrefix="Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice") translateModel(Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|aquWel.TAquHot.50.",fileNamePrefix="Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001548/0.001548, allocations: 108 kB / 16.41 MB, free: 6.418 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001522/0.001522, allocations: 192.3 kB / 17.35 MB, free: 5.688 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.369/1.369, allocations: 222.9 MB / 241 MB, free: 15.05 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 2.462/2.462, allocations: 437 MB / 0.7112 GB, free: 4.352 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001475/0.001475, allocations: 68.11 kB / 1.019 GB, free: 9.375 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9522/0.9537, allocations: 151.6 MB / 1.167 GB, free: 3.836 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice): time 0.1065/1.06, allocations: 109.1 MB / 1.274 GB, free: 6.34 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.05348/1.114, allocations: 34.66 MB / 1.308 GB, free: 3.598 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006214/1.12, allocations: 135.3 kB / 1.308 GB, free: 3.465 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.009511/1.13, allocations: 2.811 MB / 1.311 GB, free: 0.6445 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.01892/1.148, allocations: 5.758 MB / 1.316 GB, free: 10.86 MB / 1.045 GB Notification: Performance of NFTyping.typeClassSections: time 0.0112/1.16, allocations: 4.001 MB / 1.32 GB, free: 6.883 MB / 1.045 GB Notification: Performance of NFFlatten.flatten: time 0.1921/1.352, allocations: 189.1 MB / 1.505 GB, free: 9.383 MB / 1.232 GB Notification: Performance of NFFlatten.resolveConnections: time 1.927/3.279, allocations: 76.65 MB / 1.58 GB, free: 58.96 MB / 1.279 GB Notification: Performance of NFEvalConstants.evaluate: time 0.1179/3.397, allocations: 57.24 MB / 1.635 GB, free: 53.36 MB / 1.279 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0941/3.491, allocations: 48.87 MB / 1.683 GB, free: 45.36 MB / 1.279 GB Notification: Performance of NFPackage.collectConstants: time 0.03134/3.522, allocations: 6.85 MB / 1.69 GB, free: 45.36 MB / 1.279 GB Notification: Performance of NFFlatten.collectFunctions: time 0.06051/3.583, allocations: 9.973 MB / 1.7 GB, free: 45.36 MB / 1.279 GB Notification: Performance of NFScalarize.scalarize: time 0.04534/3.628, allocations: 18.04 MB / 1.717 GB, free: 43.12 MB / 1.279 GB Notification: Performance of NFVerifyModel.verify: time 0.09566/3.724, allocations: 36.7 MB / 1.753 GB, free: 33.71 MB / 1.279 GB Notification: Performance of NFConvertDAE.convert: time 0.1494/3.873, allocations: 106 MB / 1.857 GB, free: 12.53 MB / 1.342 GB Notification: Performance of FrontEnd - DAE generated: time 8.576e-06/3.873, allocations: 0 / 1.857 GB, free: 12.53 MB / 1.342 GB Notification: Performance of FrontEnd: time 1.853e-06/3.873, allocations: 0 / 1.857 GB, free: 12.53 MB / 1.342 GB Notification: Performance of Transformations before backend: time 0.004065/3.877, allocations: 0 / 1.857 GB, free: 12.53 MB / 1.342 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 10359 * Number of variables: 10359 Notification: Performance of Generate backend data structure: time 0.2239/4.101, allocations: 68 MB / 1.923 GB, free: 9.219 MB / 1.404 GB Notification: Performance of prepare preOptimizeDAE: time 5.616e-05/4.101, allocations: 12.92 kB / 1.923 GB, free: 9.207 MB / 1.404 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04681/4.148, allocations: 7.578 MB / 1.93 GB, free: 1.59 MB / 1.404 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.1632/4.311, allocations: 65.44 MB / 1.994 GB, free: 2.625 MB / 1.467 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0039/4.315, allocations: 3.001 MB / 1.997 GB, free: 15.64 MB / 1.483 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.02022/4.336, allocations: 4.159 MB / 2.001 GB, free: 11.52 MB / 1.483 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.2001/4.536, allocations: 62.58 MB / 2.062 GB, free: 11.12 MB / 1.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.00358/4.539, allocations: 264.8 kB / 2.063 GB, free: 10.93 MB / 1.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.01893/4.558, allocations: 1.713 MB / 2.064 GB, free: 9.238 MB / 1.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002485/4.561, allocations: 1.823 MB / 2.066 GB, free: 7.445 MB / 1.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.1497/4.711, allocations: 51.03 MB / 2.116 GB, free: 4.934 MB / 1.592 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 2.286/6.997, allocations: 263.4 MB / 2.373 GB, free: 418.3 MB / 1.639 GB Notification: Performance of preOpt comSubExp (simulation): time 0.06808/7.065, allocations: 30.39 MB / 2.403 GB, free: 397.5 MB / 1.639 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.04147/7.107, allocations: 19.32 MB / 2.422 GB, free: 378.1 MB / 1.639 GB Notification: Performance of preOpt evalFunc (simulation): time 0.1825/7.289, allocations: 60.14 MB / 2.481 GB, free: 319.1 MB / 1.639 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005681/7.29, allocations: 396.7 kB / 2.481 GB, free: 318.7 MB / 1.639 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0332/7.323, allocations: 1.983 MB / 2.483 GB, free: 317.3 MB / 1.639 GB Notification: Performance of pre-optimization done (n=2335): time 0.00033/7.324, allocations: 0 / 2.483 GB, free: 317.3 MB / 1.639 GB Notification: Performance of matching and sorting (n=2672): time 0.3322/7.656, allocations: 117.8 MB / 2.598 GB, free: 198 MB / 1.639 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002734/7.656, allocations: 324.3 kB / 2.598 GB, free: 197.7 MB / 1.639 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.1149/7.771, allocations: 45 MB / 2.642 GB, free: 153.2 MB / 1.639 GB Notification: Performance of collectPreVariables (initialization): time 0.008782/7.78, allocations: 0.5954 MB / 2.643 GB, free: 152.6 MB / 1.639 GB Notification: Performance of collectInitialEqns (initialization): time 0.0323/7.812, allocations: 24.64 MB / 2.667 GB, free: 130.5 MB / 1.639 GB Notification: Performance of collectInitialBindings (initialization): time 0.02013/7.832, allocations: 9.975 MB / 2.676 GB, free: 121.9 MB / 1.639 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.04123/7.874, allocations: 8.68 MB / 2.685 GB, free: 113.2 MB / 1.639 GB Notification: Performance of setup shared object (initialization): time 6.287e-05/7.874, allocations: 305.1 kB / 2.685 GB, free: 112.9 MB / 1.639 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.04817/7.922, allocations: 21.66 MB / 2.706 GB, free: 91.23 MB / 1.639 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.06367/7.986, allocations: 30.19 MB / 2.736 GB, free: 57.9 MB / 1.639 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.1112/8.097, allocations: 50.05 MB / 2.785 GB, free: 4.68 MB / 1.639 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0004368/8.097, allocations: 64 kB / 2.785 GB, free: 4.617 MB / 1.639 GB Notification: Performance of matching and sorting (n=5524) (initialization): time 2.184/10.28, allocations: 68.38 MB / 2.852 GB, free: 0.5306 GB / 1.639 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005462/10.28, allocations: 102.6 kB / 2.852 GB, free: 0.5306 GB / 1.639 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0007463/10.28, allocations: 227.8 kB / 2.852 GB, free: 0.5306 GB / 1.639 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02702/10.31, allocations: 10.69 MB / 2.862 GB, free: 0.5268 GB / 1.639 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.05009/10.36, allocations: 11.18 MB / 2.873 GB, free: 0.526 GB / 1.639 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1828/10.54, allocations: 309.6 MB / 3.176 GB, free: 214.4 MB / 1.639 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.05581/10.6, allocations: 2.659 MB / 3.178 GB, free: 211.8 MB / 1.639 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0109/10.61, allocations: 1.763 MB / 3.18 GB, free: 210 MB / 1.639 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.09087/10.7, allocations: 40.33 MB / 3.219 GB, free: 169.6 MB / 1.639 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.05864/10.76, allocations: 29.94 MB / 3.249 GB, free: 136.6 MB / 1.639 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.1043/10.86, allocations: 49.55 MB / 3.297 GB, free: 83.83 MB / 1.639 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.0004626/10.86, allocations: 64 kB / 3.297 GB, free: 83.77 MB / 1.639 GB Notification: Performance of matching and sorting (n=5524) (initialization_lambda0): time 0.1799/11.04, allocations: 67.72 MB / 3.363 GB, free: 17.8 MB / 1.639 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004827/11.04, allocations: 100 kB / 3.363 GB, free: 17.7 MB / 1.639 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000619/11.05, allocations: 228.1 kB / 3.363 GB, free: 17.48 MB / 1.639 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02499/11.07, allocations: 10.66 MB / 3.374 GB, free: 6.32 MB / 1.639 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.05209/11.12, allocations: 11.16 MB / 3.385 GB, free: 11.15 MB / 1.655 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.149/12.27, allocations: 309.8 MB / 3.687 GB, free: 255.3 MB / 1.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0522/12.32, allocations: 2.671 MB / 3.69 GB, free: 254.6 MB / 1.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.009886/12.33, allocations: 1.743 MB / 3.692 GB, free: 254.3 MB / 1.67 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1015 * 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 (4786): * Single equations (assignments): 4620 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 162 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 160 systems {(1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,14), (1,14)} Notification: Performance of prepare postOptimizeDAE: time 0.01534/12.35, allocations: 2.484 MB / 3.694 GB, free: 252.5 MB / 1.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.02021/12.37, allocations: 4.29 MB / 3.698 GB, free: 252.5 MB / 1.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1076/12.48, allocations: 44.27 MB / 3.741 GB, free: 234.9 MB / 1.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.08807/12.56, allocations: 37.68 MB / 3.778 GB, free: 209.7 MB / 1.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001856/12.57, allocations: 4 kB / 3.778 GB, free: 209.7 MB / 1.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0441/12.61, allocations: 9.315 MB / 3.787 GB, free: 202.5 MB / 1.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.02313/12.63, allocations: 0.5468 MB / 3.788 GB, free: 202 MB / 1.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.04419/12.68, allocations: 1.948 MB / 3.79 GB, free: 200.2 MB / 1.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.008553/12.69, allocations: 1.998 MB / 3.792 GB, free: 198.2 MB / 1.67 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.1177/12.8, allocations: 50.65 MB / 3.841 GB, free: 147.8 MB / 1.67 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.1215/12.92, allocations: 54.76 MB / 3.895 GB, free: 92.86 MB / 1.67 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.02659/12.95, allocations: 16.31 MB / 3.911 GB, free: 76.52 MB / 1.67 GB Notification: Performance of sorting global known variables: time 0.06876/13.02, allocations: 31.21 MB / 3.941 GB, free: 45.51 MB / 1.67 GB Notification: Performance of Backend: time 1.723e-06/13.02, allocations: 0 / 3.941 GB, free: 45.51 MB / 1.67 GB Notification: Performance of simCode: created initialization part: time 0.2402/13.26, allocations: 106.7 MB / 4.045 GB, free: 15.07 MB / 1.749 GB Notification: Performance of SimCode: time 1.583/14.84, allocations: 143 MB / 4.185 GB, free: 475.7 MB / 1.749 GB Notification: Performance of Templates: time 2.746/17.59, allocations: 1.143 GB / 5.328 GB, free: 16.94 MB / 1.78 GB make -j1 -f Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice.makefile (rm -f Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice.pipe ; mkfifo Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice.pipe >> ../files/Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice.sim & ./Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Geothermal_Aquifer_Examples_CoolingOffice.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Geothermal.Aquifer.Examples.CoolingOffice.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches