Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.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: "" <> buildModelFMU(Buildings.Fluid.HeatPumps.Examples.EquationFitReversible,fileNamePrefix="Buildings_10_Buildings_Fluid_HeatPumps_Examples_EquationFitReversible",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatPumps.Examples.EquationFitReversible,fileNamePrefix="Buildings_10_Buildings_Fluid_HeatPumps_Examples_EquationFitReversible",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 0.001182/0.001182, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001171/0.001171, allocations: 195.8 kB / 16.53 MB, free: 6.699 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.375/1.375, allocations: 222.9 MB / 240.2 MB, free: 4.387 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.656/2.656, allocations: 437.1 MB / 0.7104 GB, free: 5.129 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001433/0.001433, allocations: 67.89 kB / 0.8693 GB, free: 4.555 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6069/0.6084, allocations: 151.6 MB / 1.017 GB, free: 2.586 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Examples.EquationFitReversible): time 0.0635/0.6719, allocations: 62.64 MB / 1.079 GB, free: 3.73 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.02098/0.693, allocations: 13.65 MB / 1.092 GB, free: 6.035 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002602/0.6956, allocations: 63.69 kB / 1.092 GB, free: 5.973 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.003404/0.6991, allocations: 0.951 MB / 1.093 GB, free: 5.016 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.007114/0.7062, allocations: 2.392 MB / 1.095 GB, free: 2.613 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.004482/0.7107, allocations: 1.615 MB / 1.097 GB, free: 1.012 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.005945/0.7167, allocations: 4.284 MB / 1.101 GB, free: 12.71 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002501/0.7192, allocations: 1.408 MB / 1.102 GB, free: 11.27 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003762/0.723, allocations: 1.64 MB / 1.104 GB, free: 9.633 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002145/0.7251, allocations: 1.284 MB / 1.105 GB, free: 8.344 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.0005432/0.7257, allocations: 176 kB / 1.105 GB, free: 8.172 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003367/0.729, allocations: 1.427 MB / 1.107 GB, free: 6.742 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.0007638/0.7298, allocations: 0.5101 MB / 1.107 GB, free: 6.23 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.001807/0.7316, allocations: 1.007 MB / 1.108 GB, free: 5.219 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.005468/0.7371, allocations: 3.132 MB / 1.111 GB, free: 2.078 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 5.721e-06/0.7371, allocations: 0 / 1.111 GB, free: 2.078 MB / 0.8575 GB Notification: Performance of FrontEnd: time 1.834e-06/0.7372, allocations: 4 kB / 1.111 GB, free: 2.074 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 8.194e-05/0.7372, allocations: 0 / 1.111 GB, free: 2.074 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: 265 * Number of variables: 265 Notification: Performance of Generate backend data structure: time 0.005636/0.7429, allocations: 2.333 MB / 1.114 GB, free: 15.68 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 4.469e-05/0.7429, allocations: 8.031 kB / 1.114 GB, free: 15.67 MB / 0.8731 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000319/0.7433, allocations: 172.6 kB / 1.114 GB, free: 15.5 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001579/0.7449, allocations: 318.4 kB / 1.114 GB, free: 15.18 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002651/0.7475, allocations: 1.412 MB / 1.115 GB, free: 13.72 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001812/0.7477, allocations: 161.4 kB / 1.116 GB, free: 13.55 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000203/0.7479, allocations: 108 kB / 1.116 GB, free: 13.44 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002957/0.7509, allocations: 1.441 MB / 1.117 GB, free: 11.91 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.846e-05/0.7509, allocations: 4 kB / 1.117 GB, free: 11.91 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001276/0.7511, allocations: 44 kB / 1.117 GB, free: 11.86 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.123e-05/0.7511, allocations: 32 kB / 1.117 GB, free: 11.83 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00328/0.7544, allocations: 1.339 MB / 1.119 GB, free: 10.49 MB / 0.8731 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 0.008829/0.7632, allocations: 6.674 MB / 1.125 GB, free: 3.375 MB / 0.8731 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002255/0.7655, allocations: 1.168 MB / 1.126 GB, free: 2.125 MB / 0.8731 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001303/0.7668, allocations: 0.5609 MB / 1.127 GB, free: 1.559 MB / 0.8731 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008123/0.7677, allocations: 1.145 MB / 1.128 GB, free: 160 kB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.934e-05/0.7677, allocations: 43.22 kB / 1.128 GB, free: 108 kB / 0.8731 GB Notification: Performance of pre-optimization done (n=77): time 3.306e-06/0.7677, allocations: 0 / 1.128 GB, free: 108 kB / 0.8731 GB Notification: Performance of matching and sorting (n=77): time 0.004404/0.7721, allocations: 1.597 MB / 1.129 GB, free: 14.5 MB / 0.8887 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.349e-05/0.7722, allocations: 111.5 kB / 1.13 GB, free: 14.37 MB / 0.8887 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002239/0.7745, allocations: 1.405 MB / 1.131 GB, free: 12.95 MB / 0.8887 GB Notification: Performance of collectPreVariables (initialization): time 0.000123/0.7746, allocations: 41.7 kB / 1.131 GB, free: 12.91 MB / 0.8887 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006436/0.7753, allocations: 0.7202 MB / 1.132 GB, free: 12.18 MB / 0.8887 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002905/0.7756, allocations: 264.1 kB / 1.132 GB, free: 11.91 MB / 0.8887 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003309/0.7759, allocations: 178.5 kB / 1.132 GB, free: 11.73 MB / 0.8887 GB Notification: Performance of setup shared object (initialization): time 0.000118/0.776, allocations: 341.9 kB / 1.132 GB, free: 11.39 MB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001276/0.7773, allocations: 0.4966 MB / 1.133 GB, free: 10.89 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001468/0.7788, allocations: 0.7156 MB / 1.134 GB, free: 10.09 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00261/0.7814, allocations: 1.137 MB / 1.135 GB, free: 8.887 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.591e-06/0.7814, allocations: 0 / 1.135 GB, free: 8.887 MB / 0.8887 GB Notification: Performance of matching and sorting (n=109) (initialization): time 0.003505/0.7849, allocations: 1.351 MB / 1.136 GB, free: 7.523 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 2.535e-05/0.785, allocations: 12.09 kB / 1.136 GB, free: 7.512 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.518e-05/0.785, allocations: 4 kB / 1.136 GB, free: 7.508 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.782e-05/0.785, allocations: 12 kB / 1.136 GB, free: 7.496 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001272/0.7863, allocations: 271.6 kB / 1.136 GB, free: 7.23 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.538e-05/0.7864, allocations: 19.92 kB / 1.136 GB, free: 7.211 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001402/0.7878, allocations: 151 kB / 1.136 GB, free: 7.062 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001052/0.7879, allocations: 39.98 kB / 1.137 GB, free: 7.023 MB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001849/0.7897, allocations: 0.7907 MB / 1.137 GB, free: 6.23 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001485/0.7912, allocations: 0.7229 MB / 1.138 GB, free: 5.414 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002634/0.7939, allocations: 1.121 MB / 1.139 GB, free: 4.234 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.438e-06/0.7939, allocations: 4 kB / 1.139 GB, free: 4.23 MB / 0.8887 GB Notification: Performance of matching and sorting (n=109) (initialization_lambda0): time 0.003449/0.7974, allocations: 1.347 MB / 1.14 GB, free: 2.871 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 1.567e-05/0.7974, allocations: 4 kB / 1.14 GB, free: 2.867 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.067e-05/0.7974, allocations: 8 kB / 1.14 GB, free: 2.859 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.572e-05/0.7974, allocations: 11.98 kB / 1.14 GB, free: 2.848 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001246/0.7987, allocations: 272.1 kB / 1.141 GB, free: 2.582 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.683e-05/0.7987, allocations: 11.98 kB / 1.141 GB, free: 2.57 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001464/0.8002, allocations: 155.1 kB / 1.141 GB, free: 2.418 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001045/0.8003, allocations: 39.98 kB / 1.141 GB, free: 2.379 MB / 0.8887 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * Number of states: 0 () * Number of discrete variables: 2 (intGreThr.y,reaToInt.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (109): * Single equations (assignments): 109 * 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 0.0003619/0.8007, allocations: 234 kB / 1.141 GB, free: 2.145 MB / 0.8887 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00057/0.8013, allocations: 150.1 kB / 1.141 GB, free: 1.996 MB / 0.8887 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003641/0.8049, allocations: 1.478 MB / 1.143 GB, free: 500 kB / 0.8887 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.834e-05/0.8049, allocations: 8 kB / 1.143 GB, free: 492 kB / 0.8887 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.237e-05/0.805, allocations: 3.938 kB / 1.143 GB, free: 488 kB / 0.8887 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002576/0.8075, allocations: 1.109 MB / 1.144 GB, free: 15.34 MB / 0.9044 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006378/0.8139, allocations: 3.094 MB / 1.147 GB, free: 12.12 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.257e-05/0.814, allocations: 11.94 kB / 1.147 GB, free: 12.11 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009803/0.815, allocations: 183.7 kB / 1.147 GB, free: 11.93 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.578e-05/0.815, allocations: 8.312 kB / 1.147 GB, free: 11.93 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.15e-05/0.8151, allocations: 31.98 kB / 1.147 GB, free: 11.89 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.131e-05/0.8151, allocations: 11.94 kB / 1.147 GB, free: 11.88 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.682e-06/0.8151, allocations: 7.938 kB / 1.147 GB, free: 11.88 MB / 0.9044 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004696/0.8198, allocations: 2.064 MB / 1.149 GB, free: 9.734 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008701/0.8207, allocations: 378.8 kB / 1.149 GB, free: 9.344 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004356/0.8212, allocations: 20 kB / 1.149 GB, free: 9.324 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001478/0.8227, allocations: 111.8 kB / 1.15 GB, free: 9.215 MB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002102/0.8229, allocations: 84.34 kB / 1.15 GB, free: 9.129 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001235/0.823, allocations: 43.97 kB / 1.15 GB, free: 9.086 MB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.00189/0.8249, allocations: 1.079 MB / 1.151 GB, free: 8.012 MB / 0.9044 GB Notification: Performance of sort global known variables: time 4.81e-07/0.8249, allocations: 0 / 1.151 GB, free: 8.012 MB / 0.9044 GB Notification: Performance of remove unused functions: time 0.002795/0.8277, allocations: 0.7955 MB / 1.152 GB, free: 7.215 MB / 0.9044 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 19 * Number of states: 2 (heaPum.vol1.dynBal.U,heaPum.vol2.dynBal.U) * Number of discrete variables: 2 (reaToInt.y,intGreThr.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (75): * Single equations (assignments): 71 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 0.006156/0.8339, allocations: 2.987 MB / 1.154 GB, free: 4.152 MB / 0.9044 GB Notification: Performance of simCode: created initialization part: time 0.00495/0.8389, allocations: 1.876 MB / 1.156 GB, free: 2.285 MB / 0.9044 GB Notification: Performance of simCode: created event and clocks part: time 1.265e-05/0.8389, allocations: 3.859 kB / 1.156 GB, free: 2.281 MB / 0.9044 GB Notification: Performance of simCode: created simulation system equations: time 0.00167/0.8406, allocations: 0.6399 MB / 1.157 GB, free: 1.641 MB / 0.9044 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005236/0.8459, allocations: 0.8299 MB / 1.158 GB, free: 0.8359 MB / 0.9044 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02434/0.8702, allocations: 13.68 MB / 1.171 GB, free: 2.441 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001027/0.8713, allocations: 1.277 MB / 1.172 GB, free: 1.137 MB / 0.92 GB Notification: Performance of simCode: alias equations: time 0.001977/0.8733, allocations: 412.1 kB / 1.173 GB, free: 0.7266 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001014/0.8743, allocations: 0.6203 MB / 1.173 GB, free: 108 kB / 0.92 GB Notification: Performance of SimCode: time 9.82e-07/0.8743, allocations: 0 / 1.173 GB, free: 108 kB / 0.92 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08413/0.9585, allocations: 46.58 MB / 1.219 GB, free: 2.066 MB / 0.9669 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.593/9.551, allocations: 19.75 kB / 1.219 GB, free: 2.047 MB / 0.9669 GB (rm -f Buildings_10_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.pipe ; mkfifo Buildings_10_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.pipe >> ../files/Buildings_10_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.sim & python3 -m fmpy simulate --output-file Buildings_10_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible_res.csv --start-time 0 --stop-time 14400 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 5.76 Buildings_10_Buildings_Fluid_HeatPumps_Examples_EquationFitReversible.fmu > Buildings_10_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_HeatPumps_Examples_EquationFitReversible.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches