Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.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/ScalableTestSuite 2.2.0-master/package.mo", uses=false) Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-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(ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2,tolerance=3e-08,outputFormat="mat",numberOfIntervals=3998,variableFilter="revolute.1..angle|revolute.1..phi|revolute.2..angle|revolute.2..phi|time|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2") translateModel(ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2,tolerance=3e-08,outputFormat="mat",numberOfIntervals=3998,variableFilter="revolute.1..angle|revolute.1..phi|revolute.2..angle|revolute.2..phi|time|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001468/0.001468, allocations: 105.7 kB / 17.06 MB, free: 6.027 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001609/0.001609, allocations: 195.7 kB / 18 MB, free: 5.109 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.434/1.434, allocations: 222.9 MB / 241.7 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/package.mo): time 1.187/1.187, allocations: 119.3 MB / 411.2 MB, free: 9.477 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001236/0.001236, allocations: 65.12 kB / 0.571 GB, free: 39.75 MB / 462.3 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1841/0.1853, allocations: 80.7 MB / 0.6498 GB, free: 12.98 MB / 0.4983 GB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2): time 0.01491/0.2003, allocations: 12.34 MB / 0.6618 GB, free: 0.5781 MB / 0.4983 GB Notification: Performance of NFInst.instExpressions: time 0.01104/0.2114, allocations: 4.427 MB / 0.6662 GB, free: 12.14 MB / 0.5139 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002614/0.2141, allocations: 83.75 kB / 0.6662 GB, free: 12.06 MB / 0.5139 GB Notification: Performance of NFTyping.typeComponents: time 0.007076/0.2212, allocations: 3.095 MB / 0.6693 GB, free: 8.953 MB / 0.5139 GB Notification: Performance of NFTyping.typeBindings: time 0.007125/0.2284, allocations: 2.144 MB / 0.6714 GB, free: 6.801 MB / 0.5139 GB Notification: Performance of NFTyping.typeClassSections: time 0.003005/0.2314, allocations: 0.9749 MB / 0.6723 GB, free: 5.824 MB / 0.5139 GB Notification: Performance of NFFlatten.flatten: time 0.0129/0.2443, allocations: 7.064 MB / 0.6792 GB, free: 14.75 MB / 0.5295 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009555/0.2539, allocations: 4.906 MB / 0.684 GB, free: 9.766 MB / 0.5295 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005657/0.2596, allocations: 2.111 MB / 0.6861 GB, free: 7.648 MB / 0.5295 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00682/0.2665, allocations: 2.804 MB / 0.6888 GB, free: 4.836 MB / 0.5295 GB Notification: Performance of NFPackage.collectConstants: time 0.002168/0.2687, allocations: 428 kB / 0.6892 GB, free: 4.418 MB / 0.5295 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00431/0.273, allocations: 1.319 MB / 0.6905 GB, free: 3.098 MB / 0.5295 GB Notification: Performance of NFScalarize.scalarize: time 0.005214/0.2783, allocations: 2.541 MB / 0.693 GB, free: 0.5508 MB / 0.5295 GB Notification: Performance of NFVerifyModel.verify: time 0.007191/0.2855, allocations: 2.758 MB / 0.6957 GB, free: 13.78 MB / 0.5452 GB Notification: Performance of NFConvertDAE.convert: time 0.01636/0.3019, allocations: 8.921 MB / 0.7044 GB, free: 4.828 MB / 0.5452 GB Notification: Performance of FrontEnd - DAE generated: time 1.01e-05/0.3019, allocations: 0 / 0.7044 GB, free: 4.828 MB / 0.5452 GB Notification: Performance of FrontEnd: time 2.775e-06/0.3019, allocations: 0 / 0.7044 GB, free: 4.828 MB / 0.5452 GB Notification: Performance of Transformations before backend: time 0.0004016/0.3024, allocations: 4 kB / 0.7044 GB, free: 4.824 MB / 0.5452 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1588 * Number of variables: 1588 Notification: Performance of Generate backend data structure: time 0.02341/0.3258, allocations: 6.427 MB / 0.7107 GB, free: 14.32 MB / 0.5608 GB Notification: Performance of prepare preOptimizeDAE: time 5.727e-05/0.3259, allocations: 11.89 kB / 0.7107 GB, free: 14.3 MB / 0.5608 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04066/0.3665, allocations: 5.279 MB / 0.7158 GB, free: 9.012 MB / 0.5608 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01609/0.3827, allocations: 5.102 MB / 0.7208 GB, free: 3.828 MB / 0.5608 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004147/0.3831, allocations: 271.2 kB / 0.7211 GB, free: 3.562 MB / 0.5608 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002293/0.3855, allocations: 371.7 kB / 0.7214 GB, free: 3.199 MB / 0.5608 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03025/0.4157, allocations: 11.7 MB / 0.7328 GB, free: 6.789 MB / 0.5764 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0006179/0.4164, allocations: 59.5 kB / 0.7329 GB, free: 6.73 MB / 0.5764 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002167/0.4186, allocations: 171.9 kB / 0.7331 GB, free: 6.562 MB / 0.5764 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004544/0.4232, allocations: 2.08 MB / 0.7351 GB, free: 4.48 MB / 0.5764 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02576/0.449, allocations: 10.44 MB / 0.7453 GB, free: 10.02 MB / 0.592 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.7888/1.238, allocations: 43.19 MB / 0.7875 GB, free: 80.14 MB / 0.6079 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01119/1.249, allocations: 4.759 MB / 0.7921 GB, free: 79.23 MB / 0.6079 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003812/1.253, allocations: 2.906 MB / 0.795 GB, free: 78.18 MB / 0.6079 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01585/1.269, allocations: 10.28 MB / 0.805 GB, free: 74.18 MB / 0.6079 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.404e-05/1.269, allocations: 55.66 kB / 0.8051 GB, free: 74.13 MB / 0.6079 GB Notification: Performance of pre-optimization done (n=186): time 6.212e-06/1.269, allocations: 0 / 0.8051 GB, free: 74.13 MB / 0.6079 GB Notification: Performance of matching and sorting (n=218): time 0.06222/1.331, allocations: 28.21 MB / 0.8326 GB, free: 55.38 MB / 0.6079 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.362e-05/1.331, allocations: 307.5 kB / 0.8329 GB, free: 55.02 MB / 0.6079 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005697/1.337, allocations: 4.844 MB / 0.8376 GB, free: 50.16 MB / 0.6079 GB Notification: Performance of collectPreVariables (initialization): time 0.000548/1.338, allocations: 57.7 kB / 0.8377 GB, free: 50.09 MB / 0.6079 GB Notification: Performance of collectInitialEqns (initialization): time 0.001512/1.339, allocations: 3.327 MB / 0.8409 GB, free: 46.77 MB / 0.6079 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008142/1.34, allocations: 0.8266 MB / 0.8417 GB, free: 45.95 MB / 0.6079 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001444/1.341, allocations: 1.335 MB / 0.843 GB, free: 44.6 MB / 0.6079 GB Notification: Performance of setup shared object (initialization): time 4.084e-05/1.341, allocations: 309.1 kB / 0.8433 GB, free: 44.3 MB / 0.6079 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003158/1.345, allocations: 3 MB / 0.8463 GB, free: 41.29 MB / 0.6079 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004283/1.349, allocations: 6.533 MB / 0.8527 GB, free: 33.1 MB / 0.6079 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008827/1.358, allocations: 10.09 MB / 0.8625 GB, free: 21.34 MB / 0.6079 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.614e-05/1.358, allocations: 36 kB / 0.8625 GB, free: 21.3 MB / 0.6079 GB Notification: Performance of matching and sorting (n=828) (initialization): time 0.01859/1.376, allocations: 11.78 MB / 0.874 GB, free: 9.508 MB / 0.6079 GB Notification: Performance of prepare postOptimizeDAE: time 8.564e-05/1.377, allocations: 63.98 kB / 0.8741 GB, free: 9.445 MB / 0.6079 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001316/1.377, allocations: 123.9 kB / 0.8742 GB, free: 9.324 MB / 0.6079 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.005985/1.383, allocations: 2.662 MB / 0.8768 GB, free: 6.656 MB / 0.6079 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004812/1.388, allocations: 1.536 MB / 0.8783 GB, free: 5.117 MB / 0.6079 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01828/1.406, allocations: 14.13 MB / 0.8921 GB, free: 6.844 MB / 0.6235 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005797/1.412, allocations: 475.2 kB / 0.8926 GB, free: 6.379 MB / 0.6235 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001325/1.413, allocations: 364 kB / 0.8929 GB, free: 6.023 MB / 0.6235 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 553 * Number of states: 0 () * Number of discrete variables: 41 (force.arrow.arrowLine.twoHeadedArrow,force.arrow.headAtOrigin,force.color[3],force.color[2],force.color[1],bodybox[1].color[3],bodybox[1].color[2],bodybox[1].color[1],bodybox[1].body.sphereColor[3],bodybox[1].body.sphereColor[2],bodybox[1].body.sphereColor[1],bodyboxN.color[3],bodyboxN.color[2],bodyboxN.color[1],bodyboxN.body.sphereColor[3],bodyboxN.body.sphereColor[2],bodyboxN.body.sphereColor[1],bodybox1.color[3],bodybox1.color[2],bodybox1.color[1],bodybox1.body.sphereColor[3],bodybox1.body.sphereColor[2],bodybox1.body.sphereColor[1],revolute[2].cylinderColor[3],revolute[2].cylinderColor[2],revolute[2].cylinderColor[1],revolute[1].cylinderColor[3],revolute[1].cylinderColor[2],revolute[1].cylinderColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (762): * Single equations (assignments): 758 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(4,39,87.5%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.006242/1.419, allocations: 2.621 MB / 0.8955 GB, free: 3.402 MB / 0.6235 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001559/1.421, allocations: 412.6 kB / 0.8959 GB, free: 2.996 MB / 0.6235 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01301/1.434, allocations: 6.631 MB / 0.9023 GB, free: 12.35 MB / 0.6392 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.697e-05/1.434, allocations: 24.84 kB / 0.9024 GB, free: 12.32 MB / 0.6392 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.677e-05/1.434, allocations: 8 kB / 0.9024 GB, free: 12.32 MB / 0.6392 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.076e-05/1.434, allocations: 7.969 kB / 0.9024 GB, free: 12.31 MB / 0.6392 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02626/1.46, allocations: 13.21 MB / 0.9153 GB, free: 15.02 MB / 0.6548 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.923e-05/1.46, allocations: 7.938 kB / 0.9153 GB, free: 15.01 MB / 0.6548 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00178/1.462, allocations: 391.4 kB / 0.9157 GB, free: 14.63 MB / 0.6548 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.006174/1.468, allocations: 2.455 MB / 0.9181 GB, free: 12.17 MB / 0.6548 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000398/1.469, allocations: 43.98 kB / 0.9181 GB, free: 12.12 MB / 0.6548 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01832/1.487, allocations: 13.65 MB / 0.9314 GB, free: 14.34 MB / 0.6704 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.135e-06/1.487, allocations: 8.781 kB / 0.9314 GB, free: 14.34 MB / 0.6704 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01663/1.504, allocations: 10.22 MB / 0.9414 GB, free: 4.051 MB / 0.6704 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001835/1.506, allocations: 483.7 kB / 0.9419 GB, free: 3.551 MB / 0.6704 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001301/1.507, allocations: 40 kB / 0.9419 GB, free: 3.512 MB / 0.6704 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002801/1.51, allocations: 259.2 kB / 0.9422 GB, free: 3.262 MB / 0.6704 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006085/1.51, allocations: 141 kB / 0.9423 GB, free: 3.121 MB / 0.6704 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002036/1.511, allocations: 52 kB / 0.9423 GB, free: 3.07 MB / 0.6704 GB Notification: Performance of sorting global known variables: time 0.005619/1.516, allocations: 3.106 MB / 0.9454 GB, free: 15.96 MB / 0.686 GB Notification: Performance of sort global known variables: time 1.5e-07/1.516, allocations: 0 / 0.9454 GB, free: 15.96 MB / 0.686 GB Notification: Performance of remove unused functions: time 0.006661/1.523, allocations: 1.307 MB / 0.9467 GB, free: 14.66 MB / 0.686 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 13 * Number of states: 4 (revolute[1].phi,revolute[1].w,revolute[2].phi,revolute[2].w) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (159): * Single equations (assignments): 155 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(3,37,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0006556/1.524, allocations: 185.7 kB / 0.9468 GB, free: 14.48 MB / 0.686 GB Notification: Performance of simCode: created initialization part: time 0.01189/1.536, allocations: 7.134 MB / 0.9538 GB, free: 7.367 MB / 0.686 GB Notification: Performance of simCode: created event and clocks part: time 9.197e-06/1.536, allocations: 0 / 0.9538 GB, free: 7.367 MB / 0.686 GB Notification: Performance of simCode: created simulation system equations: time 0.00458/1.54, allocations: 2.664 MB / 0.9564 GB, free: 4.688 MB / 0.686 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005765/1.546, allocations: 0.6437 MB / 0.957 GB, free: 4.066 MB / 0.686 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02774/1.574, allocations: 12.35 MB / 0.9691 GB, free: 7.66 MB / 0.7017 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006146/1.58, allocations: 3.934 MB / 0.9729 GB, free: 3.695 MB / 0.7017 GB Notification: Performance of simCode: alias equations: time 0.005185/1.585, allocations: 2.191 MB / 0.9751 GB, free: 1.496 MB / 0.7017 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001046/1.586, allocations: 275.4 kB / 0.9753 GB, free: 1.227 MB / 0.7017 GB Notification: Performance of SimCode: time 2.184e-06/1.586, allocations: 0 / 0.9753 GB, free: 1.227 MB / 0.7017 GB Notification: Performance of Templates: time 0.1053/1.692, allocations: 55.08 MB / 1.029 GB, free: 10.49 MB / 0.7642 GB make -j1 -f ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.makefile (rm -f ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe ; mkfifo ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe ; head -c 1048576 < ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe >> ../files/ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.sim & ./ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2 -abortSlowSimulation -alarm=300 -emit_protected -lv LOG_STATS > ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe 2>&1) diffSimulationResults("ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches