Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-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.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="mat",numberOfIntervals=172800,variableFilter="time|mean.y|reference.y.1.|assEqu.diff|assEqu.threShold|assEqu.satisfied",fileNamePrefix="Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="mat",numberOfIntervals=172800,variableFilter="time|mean.y|reference.y.1.|assEqu.diff|assEqu.threShold|assEqu.satisfied",fileNamePrefix="Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001374/0.001374, allocations: 103.4 kB / 15.33 MB, free: 0.5078 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001537/0.001537, allocations: 190.6 kB / 16.25 MB, free: 6.621 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.274/1.274, allocations: 222.9 MB / 239.9 MB, free: 4.523 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.214/2.214, allocations: 390.2 MB / 0.6643 GB, free: 0.5039 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001502/0.001502, allocations: 59.91 kB / 0.812 GB, free: 14.75 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6626/0.6641, allocations: 140.4 MB / 0.9491 GB, free: 9.168 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5): time 0.179/0.8432, allocations: 155.1 MB / 1.101 GB, free: 6.391 MB / 0.8575 GB Notification: Performance of NFInst.instExpressions: time 0.0275/0.8707, allocations: 21.75 MB / 1.122 GB, free: 0.5781 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002847/0.8736, allocations: 51.69 kB / 1.122 GB, free: 0.5273 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.002785/0.8765, allocations: 2.113 MB / 1.124 GB, free: 14.41 MB / 0.8887 GB Notification: Performance of NFTyping.typeBindings: time 0.002719/0.8792, allocations: 1.367 MB / 1.125 GB, free: 13.04 MB / 0.8887 GB Notification: Performance of NFTyping.typeClassSections: time 0.002075/0.8813, allocations: 0.5264 MB / 1.126 GB, free: 12.52 MB / 0.8887 GB Notification: Performance of NFFlatten.flatten: time 0.003408/0.8847, allocations: 1.82 MB / 1.128 GB, free: 10.69 MB / 0.8887 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002749/0.8875, allocations: 1.089 MB / 1.129 GB, free: 9.578 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002745/0.8903, allocations: 0.8879 MB / 1.129 GB, free: 8.688 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002447/0.8927, allocations: 1.6 MB / 1.131 GB, free: 7.082 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.0003701/0.8931, allocations: 88 kB / 1.131 GB, free: 6.996 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0005772/0.8937, allocations: 139.9 kB / 1.131 GB, free: 6.859 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.0006954/0.8944, allocations: 0.555 MB / 1.132 GB, free: 6.305 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.0009568/0.8954, allocations: 0.7681 MB / 1.133 GB, free: 5.531 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.001924/0.8973, allocations: 1.821 MB / 1.134 GB, free: 3.703 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 5.701e-06/0.8973, allocations: 0 / 1.134 GB, free: 3.703 MB / 0.8887 GB Notification: Performance of FrontEnd: time 1.713e-06/0.8973, allocations: 0 / 1.134 GB, free: 3.703 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 1.555e-05/0.8974, allocations: 0 / 1.134 GB, free: 3.703 MB / 0.8887 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 153 * Number of variables: 153 Notification: Performance of Generate backend data structure: time 0.003216/0.9006, allocations: 2.281 MB / 1.137 GB, free: 1.363 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 4.29e-05/0.9006, allocations: 8.031 kB / 1.137 GB, free: 1.355 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000276/0.9009, allocations: 226.1 kB / 1.137 GB, free: 1.133 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001205/0.9021, allocations: 1.011 MB / 1.138 GB, free: 56 kB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001812/0.9023, allocations: 87.08 kB / 1.138 GB, free: 15.96 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001118/0.9024, allocations: 71.91 kB / 1.138 GB, free: 15.89 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0013/0.9038, allocations: 0.7251 MB / 1.139 GB, free: 15.15 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.576e-05/0.9038, allocations: 4 kB / 1.139 GB, free: 15.14 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.675e-05/0.9039, allocations: 31.98 kB / 1.139 GB, free: 15.11 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.596e-05/0.9039, allocations: 16 kB / 1.139 GB, free: 15.1 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001109/0.905, allocations: 0.5868 MB / 1.139 GB, free: 14.51 MB / 0.9044 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004581/0.9096, allocations: 3.525 MB / 1.143 GB, free: 10.72 MB / 0.9044 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001484/0.9111, allocations: 0.7099 MB / 1.143 GB, free: 10 MB / 0.9044 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006972/0.9118, allocations: 402.3 kB / 1.144 GB, free: 9.609 MB / 0.9044 GB Notification: Performance of preOpt evalFunc (simulation): time 5.396e-05/0.9119, allocations: 12.55 kB / 1.144 GB, free: 9.598 MB / 0.9044 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007857/0.9127, allocations: 434.8 kB / 1.144 GB, free: 9.16 MB / 0.9044 GB Notification: Performance of pre-optimization done (n=70): time 3.748e-06/0.9127, allocations: 0 / 1.144 GB, free: 9.16 MB / 0.9044 GB Notification: Performance of matching and sorting (n=70): time 0.004209/0.9169, allocations: 1.807 MB / 1.146 GB, free: 7.301 MB / 0.9044 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.23e-05/0.917, allocations: 63.95 kB / 1.146 GB, free: 7.227 MB / 0.9044 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003239/0.9202, allocations: 3.304 MB / 1.149 GB, free: 3.895 MB / 0.9044 GB Notification: Performance of collectPreVariables (initialization): time 7.163e-05/0.9203, allocations: 41.7 kB / 1.149 GB, free: 3.848 MB / 0.9044 GB Notification: Performance of collectInitialEqns (initialization): time 0.000752/0.921, allocations: 0.8899 MB / 1.15 GB, free: 2.949 MB / 0.9044 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002079/0.9213, allocations: 220.9 kB / 1.15 GB, free: 2.73 MB / 0.9044 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000227/0.9215, allocations: 130.6 kB / 1.15 GB, free: 2.598 MB / 0.9044 GB Notification: Performance of setup shared object (initialization): time 0.0001568/0.9217, allocations: 338 kB / 1.151 GB, free: 2.262 MB / 0.9044 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006292/0.9223, allocations: 309.8 kB / 1.151 GB, free: 1.961 MB / 0.9044 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007059/0.923, allocations: 430.4 kB / 1.152 GB, free: 1.5 MB / 0.9044 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001206/0.9242, allocations: 0.723 MB / 1.152 GB, free: 0.7383 MB / 0.9044 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.286e-06/0.9242, allocations: 3.938 kB / 1.152 GB, free: 0.7344 MB / 0.9044 GB Notification: Performance of matching and sorting (n=95) (initialization): time 0.002333/0.9266, allocations: 1.207 MB / 1.153 GB, free: 15.51 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 2.592e-05/0.9266, allocations: 11.94 kB / 1.153 GB, free: 15.5 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.194e-05/0.9266, allocations: 4 kB / 1.153 GB, free: 15.5 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007209/0.9274, allocations: 261.6 kB / 1.154 GB, free: 15.23 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004522/0.9278, allocations: 131.8 kB / 1.154 GB, free: 15.11 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00475/0.9326, allocations: 4.763 MB / 1.158 GB, free: 10.07 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007187/0.9333, allocations: 103.4 kB / 1.159 GB, free: 9.965 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.887e-05/0.9334, allocations: 27.94 kB / 1.159 GB, free: 9.938 MB / 0.92 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,$PRE.outdoorTemp.nextTimeEvent,$whenCondition4,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,greaterThreshold1.y,tableSolRadWindow.nextTimeEventScaled,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,outdoorTemp.nextTimeEventScaled,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEvent,intGai.nextTimeEventScaled,$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 (73): * Single equations (assignments): 71 * 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 {(2,18,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0008531/0.9342, allocations: 0.6029 MB / 1.159 GB, free: 9.324 MB / 0.92 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002694/0.9345, allocations: 201.4 kB / 1.159 GB, free: 9.125 MB / 0.92 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003593/0.9349, allocations: 264.4 kB / 1.16 GB, free: 8.863 MB / 0.92 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.512e-06/0.9349, allocations: 8 kB / 1.16 GB, free: 8.855 MB / 0.92 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.614e-05/0.9349, allocations: 4 kB / 1.16 GB, free: 8.852 MB / 0.92 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.488e-06/0.9349, allocations: 7.984 kB / 1.16 GB, free: 8.844 MB / 0.92 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003534/0.9385, allocations: 2.334 MB / 1.162 GB, free: 6.445 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.921e-06/0.9385, allocations: 0 / 1.162 GB, free: 6.445 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000303/0.9388, allocations: 63.91 kB / 1.162 GB, free: 6.383 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006291/0.9394, allocations: 251.4 kB / 1.162 GB, free: 6.133 MB / 0.92 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.5e-05/0.9395, allocations: 23.98 kB / 1.162 GB, free: 6.109 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004623/0.9441, allocations: 4.749 MB / 1.167 GB, free: 1.074 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.056e-06/0.9442, allocations: 8.047 kB / 1.167 GB, free: 1.066 MB / 0.92 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002956/0.9471, allocations: 1.575 MB / 1.168 GB, free: 15.46 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005142/0.9477, allocations: 306.4 kB / 1.169 GB, free: 15.14 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001469/0.9478, allocations: 23.92 kB / 1.169 GB, free: 15.12 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004383/0.9483, allocations: 51.86 kB / 1.169 GB, free: 15.07 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001806/0.9484, allocations: 72.42 kB / 1.169 GB, free: 15 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.477e-05/0.9485, allocations: 23.98 kB / 1.169 GB, free: 14.97 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.002496/0.951, allocations: 2.427 MB / 1.171 GB, free: 12.53 MB / 0.9356 GB Notification: Performance of sort global known variables: time 1.2e-07/0.951, allocations: 0 / 1.171 GB, free: 12.53 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.001008/0.952, allocations: 296.2 kB / 1.172 GB, free: 12.24 MB / 0.9356 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,outdoorTemp.nextTimeEvent,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 11 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp.nextTimeEvent,tableSolRadWindow.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,tableSolRadWindow.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (48): * Single equations (assignments): 36 * 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 0.001159/0.9532, allocations: 0.4929 MB / 1.172 GB, free: 11.94 MB / 0.9356 GB Notification: Performance of simCode: created initialization part: time 0.002385/0.9556, allocations: 1.143 MB / 1.173 GB, free: 10.77 MB / 0.9356 GB Notification: Performance of simCode: created event and clocks part: time 3.487e-06/0.9556, allocations: 0 / 1.173 GB, free: 10.77 MB / 0.9356 GB Notification: Performance of simCode: created simulation system equations: time 0.001089/0.9567, allocations: 0.6865 MB / 1.174 GB, free: 10.05 MB / 0.9356 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001527/0.9582, allocations: 275.4 kB / 1.174 GB, free: 9.793 MB / 0.9356 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006915/0.9652, allocations: 4.564 MB / 1.179 GB, free: 5.195 MB / 0.9356 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001255/0.9665, allocations: 1.528 MB / 1.18 GB, free: 3.637 MB / 0.9356 GB Notification: Performance of simCode: alias equations: time 0.0006135/0.9671, allocations: 154.3 kB / 1.18 GB, free: 3.48 MB / 0.9356 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001639/0.9673, allocations: 71.41 kB / 1.18 GB, free: 3.414 MB / 0.9356 GB Notification: Performance of SimCode: time 7.31e-07/0.9673, allocations: 0 / 1.18 GB, free: 3.414 MB / 0.9356 GB Notification: Performance of Templates: time 0.02961/0.9969, allocations: 14.12 MB / 1.194 GB, free: 5.461 MB / 0.9512 GB make -j1 -f Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.makefile (rm -f Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; mkfifo Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; head -c 1048576 < Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe >> ../files/Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.sim & ./Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5 -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe 2>&1) diffSimulationResults("Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_9.1.x/Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase5.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_9_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches