Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10.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.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10,tolerance=1e-06,outputFormat="mat",numberOfIntervals=172800,variableFilter="time|mean.y|reference.y.1.|assEqu.diff|assEqu.threShold|assEqu.satisfied",fileNamePrefix="Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10") translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10,tolerance=1e-06,outputFormat="mat",numberOfIntervals=172800,variableFilter="time|mean.y|reference.y.1.|assEqu.diff|assEqu.threShold|assEqu.satisfied",fileNamePrefix="Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001581/0.001581, 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 0.001823/0.001823, allocations: 197 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.325/1.325, allocations: 222.9 MB / 240.2 MB, free: 4.379 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 2.511/2.511, allocations: 437 MB / 0.7104 GB, free: 5.102 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001365/0.001365, allocations: 71.89 kB / 0.8692 GB, free: 4.676 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5833/0.5847, allocations: 151.6 MB / 1.017 GB, free: 2.508 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10): time 0.1569/0.7416, allocations: 157.5 MB / 1.171 GB, free: 4.355 MB / 0.92 GB Notification: Performance of NFInst.instExpressions: time 0.02425/0.7659, allocations: 22.06 MB / 1.193 GB, free: 14.23 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002016/0.7679, allocations: 59.69 kB / 1.193 GB, free: 14.17 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.002292/0.7703, allocations: 2.175 MB / 1.195 GB, free: 11.99 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.002063/0.7723, allocations: 1.452 MB / 1.196 GB, free: 10.53 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.001554/0.7739, allocations: 0.6147 MB / 1.197 GB, free: 9.922 MB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.001977/0.7759, allocations: 1.937 MB / 1.199 GB, free: 7.98 MB / 0.9512 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001198/0.7771, allocations: 1.113 MB / 1.2 GB, free: 6.848 MB / 0.9512 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001016/0.7781, allocations: 0.923 MB / 1.201 GB, free: 5.922 MB / 0.9512 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001598/0.7797, allocations: 1.581 MB / 1.202 GB, free: 4.34 MB / 0.9512 GB Notification: Performance of NFPackage.collectConstants: time 0.0001957/0.78, allocations: 104 kB / 1.202 GB, free: 4.238 MB / 0.9512 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003448/0.7803, allocations: 143.9 kB / 1.203 GB, free: 4.098 MB / 0.9512 GB Notification: Performance of NFScalarize.scalarize: time 0.0004274/0.7807, allocations: 0.5547 MB / 1.203 GB, free: 3.535 MB / 0.9512 GB Notification: Performance of NFVerifyModel.verify: time 0.0006493/0.7814, allocations: 0.7952 MB / 1.204 GB, free: 2.734 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.001538/0.7829, allocations: 1.895 MB / 1.206 GB, free: 0.832 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 4.248e-06/0.783, allocations: 0 / 1.206 GB, free: 0.832 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.252e-06/0.783, allocations: 4 kB / 1.206 GB, free: 0.8281 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 1.741e-05/0.783, allocations: 0 / 1.206 GB, free: 0.8281 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: 166 * Number of variables: 166 Notification: Performance of Generate backend data structure: time 0.003121/0.7861, allocations: 2.349 MB / 1.208 GB, free: 14.41 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 3.425e-05/0.7862, allocations: 12.03 kB / 1.208 GB, free: 14.4 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002687/0.7864, allocations: 233.9 kB / 1.208 GB, free: 14.17 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00116/0.7876, allocations: 1.042 MB / 1.209 GB, free: 13.06 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001311/0.7877, allocations: 87 kB / 1.209 GB, free: 12.97 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001099/0.7879, allocations: 72 kB / 1.209 GB, free: 12.9 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001314/0.7892, allocations: 0.7805 MB / 1.21 GB, free: 12.11 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.376e-05/0.7892, allocations: 8 kB / 1.21 GB, free: 12.1 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.505e-05/0.7893, allocations: 24 kB / 1.21 GB, free: 12.07 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.414e-05/0.7893, allocations: 16 kB / 1.21 GB, free: 12.06 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0012/0.7905, allocations: 0.6413 MB / 1.211 GB, free: 11.42 MB / 0.9669 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004678/0.7952, allocations: 3.748 MB / 1.214 GB, free: 7.406 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001556/0.7968, allocations: 0.7424 MB / 1.215 GB, free: 6.656 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007431/0.7976, allocations: 426.3 kB / 1.216 GB, free: 6.238 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 4.446e-05/0.7976, allocations: 12.55 kB / 1.216 GB, free: 6.227 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007646/0.7984, allocations: 444.1 kB / 1.216 GB, free: 5.781 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=73): time 2.695e-06/0.7984, allocations: 4 kB / 1.216 GB, free: 5.777 MB / 0.9669 GB Notification: Performance of matching and sorting (n=73): time 0.004118/0.8025, allocations: 1.838 MB / 1.218 GB, free: 3.887 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.443e-05/0.8026, allocations: 60.06 kB / 1.218 GB, free: 3.816 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003259/0.8058, allocations: 3.363 MB / 1.221 GB, free: 440 kB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 8.018e-05/0.8059, allocations: 41.7 kB / 1.221 GB, free: 392 kB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007541/0.8067, allocations: 0.9253 MB / 1.222 GB, free: 15.45 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002012/0.8069, allocations: 232.7 kB / 1.222 GB, free: 15.22 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000211/0.8071, allocations: 146.7 kB / 1.222 GB, free: 15.07 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001165/0.8073, allocations: 337.9 kB / 1.223 GB, free: 14.73 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006616/0.8079, allocations: 313.8 kB / 1.223 GB, free: 14.43 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007528/0.8087, allocations: 479.9 kB / 1.224 GB, free: 13.91 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001292/0.81, allocations: 0.7558 MB / 1.224 GB, free: 13.12 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.178e-06/0.81, allocations: 0 / 1.224 GB, free: 13.12 MB / 0.9825 GB Notification: Performance of matching and sorting (n=99) (initialization): time 0.002345/0.8124, allocations: 1.251 MB / 1.226 GB, free: 11.85 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.8e-05/0.8124, allocations: 7.938 kB / 1.226 GB, free: 11.84 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.276e-05/0.8124, allocations: 7.938 kB / 1.226 GB, free: 11.83 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006928/0.8131, allocations: 259 kB / 1.226 GB, free: 11.57 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005088/0.8136, allocations: 139.8 kB / 1.226 GB, free: 11.44 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0046/0.8182, allocations: 4.75 MB / 1.231 GB, free: 6.418 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006755/0.8189, allocations: 107.2 kB / 1.231 GB, free: 6.312 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.087e-05/0.819, allocations: 28 kB / 1.231 GB, free: 6.285 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * Number of states: 0 () * Number of discrete variables: 30 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition7,$PRE.intGai.nextTimeEvent,$whenCondition6,$PRE.reference.nextTimeEvent,$whenCondition5,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition4,$PRE.outdoorTemp.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,outdoorTemp.nextTimeEventScaled,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEvent,greaterThreshold1.y,tableSolRadWindow.nextTimeEventScaled,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (77): * Single equations (assignments): 75 * Array equations: 0 * Algorithm blocks: 0 * 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): 2 systems {(1,3,100.0%), (2,18,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0007595/0.8198, allocations: 0.6118 MB / 1.231 GB, free: 5.664 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002089/0.82, allocations: 213.3 kB / 1.231 GB, free: 5.453 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003466/0.8203, allocations: 261.3 kB / 1.232 GB, free: 5.191 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.792e-06/0.8203, allocations: 11.92 kB / 1.232 GB, free: 5.18 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.336e-05/0.8204, allocations: 4 kB / 1.232 GB, free: 5.176 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.1e-05/0.8204, allocations: 7.984 kB / 1.232 GB, free: 5.168 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003593/0.824, allocations: 2.412 MB / 1.234 GB, free: 2.691 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.347e-06/0.824, allocations: 0 / 1.234 GB, free: 2.691 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003342/0.8243, allocations: 75.89 kB / 1.234 GB, free: 2.617 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006383/0.825, allocations: 253.4 kB / 1.234 GB, free: 2.363 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.811e-05/0.825, allocations: 16 kB / 1.234 GB, free: 2.348 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004925/0.83, allocations: 4.749 MB / 1.239 GB, free: 13.32 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.716e-06/0.83, allocations: 4 kB / 1.239 GB, free: 13.31 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002747/0.8327, allocations: 1.625 MB / 1.241 GB, free: 11.66 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004507/0.8332, allocations: 322.2 kB / 1.241 GB, free: 11.33 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001492/0.8334, allocations: 24 kB / 1.241 GB, free: 11.3 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004578/0.8338, allocations: 35.95 kB / 1.241 GB, free: 11.27 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001731/0.834, allocations: 76.55 kB / 1.241 GB, free: 11.2 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.361e-05/0.8341, allocations: 24 kB / 1.241 GB, free: 11.17 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.002549/0.8366, allocations: 2.46 MB / 1.244 GB, free: 8.699 MB / 0.9981 GB Notification: Performance of sort global known variables: time 2.7e-07/0.8366, allocations: 7.938 kB / 1.244 GB, free: 8.691 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.000927/0.8376, allocations: 303.5 kB / 1.244 GB, free: 8.395 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,assEqu.diff,mean.x) * Number of discrete variables: 19 ($whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,outdoorTemp.nextTimeEvent,outdoorTemp.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 11 (intGai.nextTimeEvent,reference.nextTimeEvent,tableSolRadWindow.nextTimeEvent,outdoorTemp.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (51): * Single equations (assignments): 39 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * 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): 2 systems {(2,18,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001102/0.8387, allocations: 0.4902 MB / 1.244 GB, free: 8.078 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.002387/0.8411, allocations: 1.183 MB / 1.245 GB, free: 6.863 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 4.658e-06/0.8411, allocations: 4 kB / 1.245 GB, free: 6.859 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.001066/0.8422, allocations: 0.7067 MB / 1.246 GB, free: 6.133 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001335/0.8435, allocations: 296.8 kB / 1.246 GB, free: 5.852 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005532/0.8491, allocations: 4.124 MB / 1.25 GB, free: 1.691 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001202/0.8503, allocations: 1.552 MB / 1.252 GB, free: 108 kB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.4177/1.268, allocations: 156.9 kB / 1.252 GB, free: 230.7 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002714/1.268, allocations: 70.61 kB / 1.252 GB, free: 230.7 MB / 0.9981 GB Notification: Performance of SimCode: time 7.92e-07/1.268, allocations: 0.9375 kB / 1.252 GB, free: 230.7 MB / 0.9981 GB Notification: Performance of Templates: time 0.03586/1.304, allocations: 15.08 MB / 1.267 GB, free: 228.3 MB / 0.9981 GB make -j1 -f Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10.makefile (rm -f Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10.pipe ; mkfifo Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10.pipe ; head -c 1048576 < Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10.pipe >> ../files/Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10.sim & ./Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10 -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase10.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase10.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches