Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC.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/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/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(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC,tolerance=1e-07,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|n_nt.1.|n_nt.2.|n_nt.3.|cp.1.|cp.2.|cp.3.|eta.1.|eta.2.|eta.3.|lambda.1.|lambda.2.|lambda.3.|rho.1.|rho.2.|rho.3.|Nu.1.|Nu.2.|Nu.3.|m_flow_1.1.|m_flow_1.2.|m_flow_1.3.|m_flow_2.1.|m_flow_2.2.|m_flow_2.3.|m_flow_3.1.|m_flow_3.2.|m_flow_3.3.|kc_1.1.|kc_1.2.|kc_1.3.|kc_2.1.|kc_2.2.|kc_2.3.|kc_3.1.|kc_3.2.|kc_3.3.|Re_1.1.|Re_1.2.|Re_1.3.|Re_2.1.|Re_2.2.|Re_2.3.|Re_3.1.|Re_3.2.|Re_3.3.|input_Nu.y",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC") translateModel(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC,tolerance=1e-07,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|n_nt.1.|n_nt.2.|n_nt.3.|cp.1.|cp.2.|cp.3.|eta.1.|eta.2.|eta.3.|lambda.1.|lambda.2.|lambda.3.|rho.1.|rho.2.|rho.3.|Nu.1.|Nu.2.|Nu.3.|m_flow_1.1.|m_flow_1.2.|m_flow_1.3.|m_flow_2.1.|m_flow_2.2.|m_flow_2.3.|m_flow_3.1.|m_flow_3.2.|m_flow_3.3.|kc_1.1.|kc_1.2.|kc_1.3.|kc_2.1.|kc_2.2.|kc_2.3.|kc_3.1.|kc_3.2.|kc_3.3.|Re_1.1.|Re_1.2.|Re_1.3.|Re_2.1.|Re_2.2.|Re_2.3.|Re_3.1.|Re_3.2.|Re_3.3.|input_Nu.y",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001539/0.001539, allocations: 113.4 kB / 17.86 MB, free: 5.629 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001715/0.001715, allocations: 201.9 kB / 18.77 MB, free: 4.715 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.364/1.364, allocations: 222.9 MB / 242.5 MB, free: 15.42 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.21/0.21, allocations: 44.18 MB / 336.8 MB, free: 2.996 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001251/0.001251, allocations: 61 kB / 408.4 MB, free: 27.7 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1272/0.1285, allocations: 60.83 MB / 469.2 MB, free: 14.84 MB / 350.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC): time 0.003325/0.1319, allocations: 2.054 MB / 471.3 MB, free: 12.77 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.002403/0.1343, allocations: 1.838 MB / 473.1 MB, free: 10.92 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 7.87e-05/0.1344, allocations: 4 kB / 473.1 MB, free: 10.91 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0002843/0.1347, allocations: 51.72 kB / 473.1 MB, free: 10.86 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0003358/0.135, allocations: 111.5 kB / 473.3 MB, free: 10.75 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0006745/0.1357, allocations: 310.6 kB / 473.6 MB, free: 10.45 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.0004621/0.1362, allocations: 0.5136 MB / 474.1 MB, free: 9.938 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 7.369e-05/0.1363, allocations: 36.72 kB / 474.1 MB, free: 9.898 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0001773/0.1364, allocations: 143.2 kB / 474.2 MB, free: 9.758 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002267/0.1367, allocations: 195.1 kB / 474.4 MB, free: 9.566 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 3.365e-05/0.1367, allocations: 12 kB / 474.5 MB, free: 9.555 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0007887/0.1375, allocations: 0.5264 MB / 475 MB, free: 9.027 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001218/0.1376, allocations: 99.52 kB / 475.1 MB, free: 8.93 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001466/0.1378, allocations: 150.9 kB / 475.2 MB, free: 8.781 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0005455/0.1384, allocations: 427.2 kB / 475.6 MB, free: 8.363 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.699e-06/0.1384, allocations: 4 kB / 475.6 MB, free: 8.359 MB / 350.1 MB Notification: Performance of FrontEnd: time 1.512e-06/0.1384, allocations: 0 / 475.6 MB, free: 8.359 MB / 350.1 MB Notification: Performance of Transformations before backend: time 8.746e-06/0.1384, allocations: 0 / 475.6 MB, free: 8.359 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 112 * Number of variables: 112 Notification: Performance of Generate backend data structure: time 0.001131/0.1395, allocations: 0.6825 MB / 476.3 MB, free: 7.629 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.976e-05/0.1396, allocations: 8.031 kB / 476.3 MB, free: 7.621 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 8.708e-05/0.1397, allocations: 40.47 kB / 476.4 MB, free: 7.582 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003279/0.14, allocations: 279.6 kB / 476.6 MB, free: 7.27 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.804e-05/0.14, allocations: 29.36 kB / 476.7 MB, free: 7.242 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 5.118e-05/0.1401, allocations: 36.38 kB / 476.7 MB, free: 7.207 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008533/0.141, allocations: 0.5649 MB / 477.3 MB, free: 6.637 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.3e-05/0.141, allocations: 0 / 477.3 MB, free: 6.637 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.99e-05/0.141, allocations: 19.97 kB / 477.3 MB, free: 6.617 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.034e-05/0.1411, allocations: 40.98 kB / 477.3 MB, free: 6.574 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009481/0.142, allocations: 0.5698 MB / 477.9 MB, free: 6.008 MB / 350.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001737/0.1438, allocations: 1.171 MB / 479.1 MB, free: 4.781 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006312/0.1444, allocations: 379.7 kB / 479.4 MB, free: 4.402 MB / 350.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002523/0.1447, allocations: 132.9 kB / 479.6 MB, free: 4.27 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.01e-05/0.1447, allocations: 19.91 kB / 479.6 MB, free: 4.25 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.39e-05/0.1448, allocations: 30.56 kB / 479.6 MB, free: 4.211 MB / 350.1 MB Notification: Performance of pre-optimization done (n=22): time 1.453e-06/0.1448, allocations: 0 / 479.6 MB, free: 4.211 MB / 350.1 MB Notification: Performance of matching and sorting (n=22): time 0.0009503/0.1457, allocations: 465.9 kB / 480.1 MB, free: 3.75 MB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001053/0.1459, allocations: 55.41 kB / 480.1 MB, free: 3.684 MB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005069/0.1464, allocations: 453.6 kB / 480.6 MB, free: 3.23 MB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 3.11e-05/0.1464, allocations: 33.7 kB / 480.6 MB, free: 3.191 MB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001236/0.1465, allocations: 188.3 kB / 480.8 MB, free: 3.004 MB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 7.42e-05/0.1466, allocations: 78.84 kB / 480.9 MB, free: 2.926 MB / 350.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 8.923e-05/0.1467, allocations: 45.7 kB / 480.9 MB, free: 2.875 MB / 350.1 MB Notification: Performance of setup shared object (initialization): time 0.0002107/0.1469, allocations: 354.7 kB / 481.3 MB, free: 2.52 MB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002485/0.1472, allocations: 119.9 kB / 481.4 MB, free: 2.402 MB / 350.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002394/0.1474, allocations: 121.9 kB / 481.5 MB, free: 2.285 MB / 350.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005181/0.148, allocations: 263.2 kB / 481.8 MB, free: 2.027 MB / 350.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.555e-06/0.148, allocations: 4 kB / 481.8 MB, free: 2.023 MB / 350.1 MB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0006184/0.1486, allocations: 340.9 kB / 482.1 MB, free: 1.684 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.859e-05/0.1486, allocations: 12 kB / 482.1 MB, free: 1.672 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.007e-06/0.1486, allocations: 7.938 kB / 482.1 MB, free: 1.664 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.251e-05/0.1487, allocations: 0 / 482.1 MB, free: 1.664 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007831/0.1494, allocations: 155.9 kB / 482.3 MB, free: 1.512 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003008/0.1525, allocations: 5.52 MB / 487.8 MB, free: 11.78 MB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002262/0.1527, allocations: 47.45 kB / 487.8 MB, free: 11.73 MB / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.651e-05/0.1527, allocations: 8 kB / 487.8 MB, free: 11.73 MB / 366.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (22): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 9 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 9 systems {1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002068/0.153, allocations: 189.7 kB / 488 MB, free: 11.53 MB / 366.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.776e-05/0.153, allocations: 35.62 kB / 488.1 MB, free: 11.5 MB / 366.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008802/0.1539, allocations: 463.7 kB / 488.5 MB, free: 11.04 MB / 366.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.162e-06/0.1539, allocations: 4 kB / 488.5 MB, free: 11.04 MB / 366.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.911e-06/0.1539, allocations: 0 / 488.5 MB, free: 11.04 MB / 366.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.362e-06/0.154, allocations: 0 / 488.5 MB, free: 11.04 MB / 366.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000428/0.1544, allocations: 373.2 kB / 488.9 MB, free: 10.62 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.623e-06/0.1544, allocations: 0 / 488.9 MB, free: 10.62 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006953/0.1551, allocations: 159.8 kB / 489 MB, free: 10.46 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 3.086e-06/0.1551, allocations: 0 / 489 MB, free: 10.46 MB / 366.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.12e-05/0.1551, allocations: 12 kB / 489 MB, free: 10.45 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002854/0.158, allocations: 5.508 MB / 494.6 MB, free: 4.734 MB / 366.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.005e-06/0.158, allocations: 3.938 kB / 494.6 MB, free: 4.73 MB / 366.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000701/0.1587, allocations: 451 kB / 495 MB, free: 4.273 MB / 366.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001109/0.1589, allocations: 120.6 kB / 495.1 MB, free: 4.137 MB / 366.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.202e-05/0.1589, allocations: 7.984 kB / 495.1 MB, free: 4.129 MB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002092/0.1591, allocations: 8 kB / 495.1 MB, free: 4.121 MB / 366.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.497e-05/0.1592, allocations: 27.84 kB / 495.2 MB, free: 4.094 MB / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.684e-05/0.1593, allocations: 15.98 kB / 495.2 MB, free: 4.078 MB / 366.1 MB Notification: Performance of sorting global known variables: time 0.0003587/0.1596, allocations: 339.1 kB / 495.5 MB, free: 3.75 MB / 366.1 MB Notification: Performance of sort global known variables: time 1.41e-07/0.1596, allocations: 0 / 495.5 MB, free: 3.75 MB / 366.1 MB Notification: Performance of remove unused functions: time 0.0005071/0.1601, allocations: 131.9 kB / 495.6 MB, free: 3.621 MB / 366.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * 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 (22): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 9 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 9 systems {1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0003995/0.1605, allocations: 211.5 kB / 495.8 MB, free: 3.406 MB / 366.1 MB Notification: Performance of simCode: created initialization part: time 0.001132/0.1617, allocations: 399.6 kB / 496.2 MB, free: 3.016 MB / 366.1 MB Notification: Performance of simCode: created event and clocks part: time 2.786e-06/0.1617, allocations: 4 kB / 496.2 MB, free: 3.012 MB / 366.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0008046/0.1625, allocations: 273.2 kB / 496.5 MB, free: 2.746 MB / 366.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000513/0.163, allocations: 89.42 kB / 496.6 MB, free: 2.66 MB / 366.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001339/0.1644, allocations: 0.918 MB / 497.5 MB, free: 1.707 MB / 366.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003716/0.1648, allocations: 0.8425 MB / 498.4 MB, free: 0.8398 MB / 366.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 9.877e-05/0.1649, allocations: 35.42 kB / 498.4 MB, free: 0.8047 MB / 366.1 MB Notification: Performance of SimCode: time 5.41e-07/0.1649, allocations: 0 / 498.4 MB, free: 0.8047 MB / 366.1 MB Notification: Performance of Templates: time 0.2541/0.419, allocations: 19.82 MB / 0.5061 GB, free: 52.28 MB / 382.1 MB make -j1 -f ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC.makefile (rm -f ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC.sim & ./ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC.pipe 2>&1) diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/HelicalPipe/kc_overall_KC/kc_overall_KC.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HelicalPipe.kc_overall_KC.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches