Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.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 11.0.0-master/package.mo", uses=false) Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8,tolerance=1e-06,outputFormat="mat",numberOfIntervals=172800,variableFilter="time|mean.y|reference.y.1.|assEqu.diff|assEqu.threShold|assEqu.satisfied",fileNamePrefix="Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8") translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8,tolerance=1e-06,outputFormat="mat",numberOfIntervals=172800,variableFilter="time|mean.y|reference.y.1.|assEqu.diff|assEqu.threShold|assEqu.satisfied",fileNamePrefix="Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001261/0.001261, allocations: 99.55 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001586/0.001586, allocations: 177.3 kB / 15.94 MB, free: 228 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.323/1.323, allocations: 223.2 MB / 239.9 MB, free: 5.363 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.662/2.662, allocations: 436.5 MB / 0.7104 GB, free: 7.895 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.0003435/0.0003435, allocations: 8 kB / 0.8708 GB, free: 4.812 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.81/0.8104, allocations: 153.7 MB / 1.021 GB, free: 1.137 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8): time 0.1637/0.9742, allocations: 133.5 MB / 1.151 GB, free: 11.3 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.02725/1.001, allocations: 18.81 MB / 1.17 GB, free: 8.449 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00232/1.004, allocations: 55.62 kB / 1.17 GB, free: 8.395 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.003923/1.008, allocations: 2.856 MB / 1.172 GB, free: 5.531 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.00686/1.015, allocations: 2.701 MB / 1.175 GB, free: 2.824 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.004569/1.019, allocations: 1.267 MB / 1.176 GB, free: 1.582 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.002997/1.022, allocations: 1.581 MB / 1.178 GB, free: 0 / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001548/1.024, allocations: 1.048 MB / 1.179 GB, free: 14.93 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001225/1.025, allocations: 0.9231 MB / 1.18 GB, free: 14.01 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001658/1.027, allocations: 1.489 MB / 1.181 GB, free: 12.52 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.0001486/1.027, allocations: 48 kB / 1.181 GB, free: 12.47 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003118/1.027, allocations: 79.92 kB / 1.181 GB, free: 12.39 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.000532/1.028, allocations: 0.6541 MB / 1.182 GB, free: 11.73 MB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.0003499/1.028, allocations: 404.1 kB / 1.182 GB, free: 11.33 MB / 0.9356 GB Notification: Performance of NFConvertDAE.convert: time 0.001519/1.03, allocations: 1.764 MB / 1.184 GB, free: 9.566 MB / 0.9356 GB Notification: Performance of FrontEnd - DAE generated: time 3.387e-06/1.03, allocations: 0 / 1.184 GB, free: 9.566 MB / 0.9356 GB Notification: Performance of FrontEnd: time 2.695e-06/1.03, allocations: 0 / 1.184 GB, free: 9.566 MB / 0.9356 GB Notification: Performance of Transformations before backend: time 2.465e-05/1.03, allocations: 0 / 1.184 GB, free: 9.566 MB / 0.9356 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 206 * Number of variables: 206 Notification: Performance of Generate backend data structure: time 0.003921/1.034, allocations: 2.619 MB / 1.187 GB, free: 6.883 MB / 0.9356 GB Notification: Performance of prepare preOptimizeDAE: time 4.342e-05/1.034, allocations: 15.98 kB / 1.187 GB, free: 6.867 MB / 0.9356 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003515/1.034, allocations: 304.2 kB / 1.187 GB, free: 6.566 MB / 0.9356 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001778/1.036, allocations: 1.16 MB / 1.188 GB, free: 5.348 MB / 0.9356 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001613/1.036, allocations: 111.6 kB / 1.188 GB, free: 5.234 MB / 0.9356 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001384/1.036, allocations: 87.98 kB / 1.188 GB, free: 5.148 MB / 0.9356 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001661/1.038, allocations: 0.9655 MB / 1.189 GB, free: 4.168 MB / 0.9356 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.3e-05/1.038, allocations: 4 kB / 1.189 GB, free: 4.164 MB / 0.9356 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.884e-05/1.038, allocations: 35.98 kB / 1.189 GB, free: 4.129 MB / 0.9356 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.737e-05/1.038, allocations: 20 kB / 1.189 GB, free: 4.109 MB / 0.9356 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001486/1.039, allocations: 0.8236 MB / 1.19 GB, free: 3.289 MB / 0.9356 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006647/1.046, allocations: 4.468 MB / 1.194 GB, free: 14.53 MB / 0.9512 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001837/1.048, allocations: 0.9616 MB / 1.195 GB, free: 13.56 MB / 0.9512 GB Notification: Performance of preOpt evalFunc (simulation): time 6.3e-05/1.048, allocations: 13 kB / 1.195 GB, free: 13.55 MB / 0.9512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001062/1.049, allocations: 0.5478 MB / 1.196 GB, free: 12.99 MB / 0.9512 GB Notification: Performance of pre-optimization done (n=91): time 4.208e-06/1.049, allocations: 0 / 1.196 GB, free: 12.99 MB / 0.9512 GB Notification: Performance of matching and sorting (n=91): time 0.00495/1.054, allocations: 2.194 MB / 1.198 GB, free: 10.74 MB / 0.9512 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.562e-05/1.054, allocations: 60.41 kB / 1.198 GB, free: 10.67 MB / 0.9512 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.006209/1.06, allocations: 4.451 MB / 1.202 GB, free: 6.211 MB / 0.9512 GB Notification: Performance of collectPreVariables (initialization): time 0.0001848/1.061, allocations: 49.7 kB / 1.202 GB, free: 6.156 MB / 0.9512 GB Notification: Performance of collectInitialEqns (initialization): time 0.001187/1.062, allocations: 1.226 MB / 1.204 GB, free: 4.922 MB / 0.9512 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004173/1.062, allocations: 295.9 kB / 1.204 GB, free: 4.629 MB / 0.9512 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.525e-05/1.062, allocations: 20 kB / 1.204 GB, free: 4.609 MB / 0.9512 GB Notification: Performance of setup shared object (initialization): time 0.0001594/1.062, allocations: 341.9 kB / 1.204 GB, free: 4.27 MB / 0.9512 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009005/1.063, allocations: 413.7 kB / 1.205 GB, free: 3.867 MB / 0.9512 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001015/1.064, allocations: 0.5711 MB / 1.205 GB, free: 3.242 MB / 0.9512 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009702/1.065, allocations: 463.1 kB / 1.206 GB, free: 2.789 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.777e-06/1.065, allocations: 0 / 1.206 GB, free: 2.789 MB / 0.9512 GB Notification: Performance of matching and sorting (n=118) (initialization): time 0.003082/1.069, allocations: 1.524 MB / 1.207 GB, free: 1.25 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 2.966e-05/1.069, allocations: 9.875 kB / 1.207 GB, free: 1.242 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.399e-05/1.069, allocations: 4 kB / 1.207 GB, free: 1.238 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007649/1.069, allocations: 265.6 kB / 1.207 GB, free: 0.9727 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006755/1.07, allocations: 171.8 kB / 1.208 GB, free: 0.8047 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00493/1.075, allocations: 4.452 MB / 1.212 GB, free: 12.09 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001197/1.076, allocations: 155.1 kB / 1.212 GB, free: 11.94 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001181/1.076, allocations: 32 kB / 1.212 GB, free: 11.91 MB / 0.9669 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 36 ($PRE.assEqu.nFai,assEqu.nFai,$whenCondition8,$whenCondition7,$PRE.intGai.nextTimeEvent,$whenCondition6,$PRE.reference.nextTimeEvent,$whenCondition5,$PRE.outdoorTemp1.nextTimeEvent,$whenCondition4,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition3,$PRE.tableSolRadWall.nextTimeEvent,$whenCondition1,$whenCondition2,reference.nextTimeEvent,$PRE.reference.nextTimeEventScaled,reference.nextTimeEventScaled,$PRE.assEqu.satisfied,assEqu.satisfied,$PRE.mean.y_last,mean.y_last,intGai.nextTimeEvent,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEventScaled,outdoorTemp1.nextTimeEvent,$PRE.outdoorTemp1.nextTimeEventScaled,outdoorTemp1.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,greaterThreshold2.y,tableSolRadWall.nextTimeEvent,$PRE.tableSolRadWall.nextTimeEventScaled,tableSolRadWall.nextTimeEventScaled) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (96): * Single equations (assignments): 94 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(1,100.0%) 3,(2,100.0%) 18} * Non-linear torn systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.001354/1.078, allocations: 0.7746 MB / 1.213 GB, free: 11.13 MB / 0.9669 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004691/1.078, allocations: 276.4 kB / 1.213 GB, free: 10.86 MB / 0.9669 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000715/1.079, allocations: 348.7 kB / 1.214 GB, free: 10.51 MB / 0.9669 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.195e-06/1.079, allocations: 8.281 kB / 1.214 GB, free: 10.5 MB / 0.9669 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.195e-05/1.079, allocations: 4 kB / 1.214 GB, free: 10.5 MB / 0.9669 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.016e-05/1.079, allocations: 3.984 kB / 1.214 GB, free: 10.49 MB / 0.9669 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005698/1.085, allocations: 3.002 MB / 1.216 GB, free: 7.422 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.871e-06/1.085, allocations: 0 / 1.216 GB, free: 7.422 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004803/1.085, allocations: 107.8 kB / 1.217 GB, free: 7.316 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006519/1.086, allocations: 251.4 kB / 1.217 GB, free: 7.066 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.452e-05/1.086, allocations: 23.98 kB / 1.217 GB, free: 7.043 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004756/1.091, allocations: 4.443 MB / 1.221 GB, free: 2.332 MB / 0.9669 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.693e-06/1.091, allocations: 0 / 1.221 GB, free: 2.332 MB / 0.9669 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003979/1.095, allocations: 2.046 MB / 1.223 GB, free: 268 kB / 0.9669 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001207/1.096, allocations: 413.5 kB / 1.224 GB, free: 15.83 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000409/1.096, allocations: 19.98 kB / 1.224 GB, free: 15.81 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00084/1.097, allocations: 75.88 kB / 1.224 GB, free: 15.74 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002495/1.098, allocations: 96.64 kB / 1.224 GB, free: 15.64 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.229e-05/1.098, allocations: 31.98 kB / 1.224 GB, free: 15.61 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.00428/1.102, allocations: 3.259 MB / 1.227 GB, free: 12.36 MB / 0.9825 GB Notification: Performance of sort global known variables: time 2.91e-07/1.102, allocations: 0 / 1.227 GB, free: 12.36 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.001558/1.103, allocations: 359.4 kB / 1.227 GB, free: 12.01 MB / 0.9825 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: 23 ($whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,outdoorTemp1.nextTimeEvent,outdoorTemp1.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,greaterThreshold2.y,tableSolRadWall.nextTimeEvent,tableSolRadWall.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 13 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp1.nextTimeEvent,tableSolRadWindow.nextTimeEvent,tableSolRadWall.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,tableSolRadWall.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,outdoorTemp1.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (69): * Single equations (assignments): 55 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 12 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(2,100.0%) 18,(1,100.0%) 3} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001278/1.105, allocations: 0.499 MB / 1.228 GB, free: 11.68 MB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.002801/1.108, allocations: 1.295 MB / 1.229 GB, free: 10.37 MB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 3.567e-06/1.108, allocations: 0.625 kB / 1.229 GB, free: 10.37 MB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 0.001475/1.109, allocations: 0.8173 MB / 1.23 GB, free: 9.523 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001857/1.111, allocations: 316.2 kB / 1.23 GB, free: 9.219 MB / 0.9825 GB Warning: The hideResult annotation could not be evaluated, probably due to missing annotation(Evaluate=true). It is set to 'isProtected' (=false) by default. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009721/1.121, allocations: 5.83 MB / 1.236 GB, free: 3.359 MB / 0.9825 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00233/1.123, allocations: 1.883 MB / 1.238 GB, free: 1.441 MB / 0.9825 GB Notification: Performance of simCode: alias equations: time 0.0008098/1.124, allocations: 215.9 kB / 1.238 GB, free: 1.227 MB / 0.9825 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003142/1.124, allocations: 83.41 kB / 1.238 GB, free: 1.145 MB / 0.9825 GB Notification: Performance of SimCode: time 1.142e-06/1.124, allocations: 0 / 1.238 GB, free: 1.145 MB / 0.9825 GB Notification: Performance of Templates: time 0.03368/1.158, allocations: 15.82 MB / 1.253 GB, free: 1.512 MB / 0.9981 GB make -j1 -f Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.makefile (rm -f Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.pipe ; mkfifo Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.pipe ; head -c 1048576 < Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.pipe >> ../files/Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.sim & ./Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8 -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.pipe 2>&1) diffSimulationResults("Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase8.csv","../files/Buildings_latest_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase8.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches