Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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: "" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_Channel_kc_evenGapLaminar_KC",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_Channel_kc_evenGapLaminar_KC",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001212/0.001212, allocations: 106.3 kB / 16.41 MB, free: 6.488 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001195/0.001195, allocations: 189.5 kB / 17.34 MB, free: 5.73 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.387/1.387, allocations: 205.1 MB / 223.2 MB, free: 12.23 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.21/0.21, allocations: 43.52 MB / 314.1 MB, free: 464 kB / 254.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001602/0.001602, allocations: 71.91 kB / 441.3 MB, free: 6.113 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1128/0.1144, allocations: 57.78 MB / 499.1 MB, free: 12.25 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC): time 0.004016/0.1184, allocations: 2.157 MB / 0.4895 GB, free: 10.08 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.002005/0.1205, allocations: 0.955 MB / 0.4905 GB, free: 9.121 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002063/0.1207, allocations: 7.938 kB / 0.4905 GB, free: 9.113 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0003871/0.1211, allocations: 67.58 kB / 0.4905 GB, free: 9.047 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0005832/0.1218, allocations: 151.3 kB / 0.4907 GB, free: 8.898 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003531/0.1221, allocations: 87.7 kB / 0.4908 GB, free: 8.812 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.0006255/0.1228, allocations: 493.6 kB / 0.4912 GB, free: 8.328 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001011/0.1229, allocations: 53.06 kB / 0.4913 GB, free: 8.273 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003534/0.1232, allocations: 187.1 kB / 0.4915 GB, free: 8.09 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003289/0.1236, allocations: 222.9 kB / 0.4917 GB, free: 7.871 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 5.167e-05/0.1236, allocations: 12 kB / 0.4917 GB, free: 7.859 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0003598/0.124, allocations: 183.7 kB / 0.4919 GB, free: 7.68 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001367/0.1242, allocations: 119.4 kB / 0.492 GB, free: 7.562 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002993/0.1245, allocations: 194.6 kB / 0.4922 GB, free: 7.371 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0007536/0.1252, allocations: 0.5366 MB / 0.4927 GB, free: 6.832 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.839e-06/0.1252, allocations: 0 / 0.4927 GB, free: 6.832 MB / 382.1 MB Notification: Performance of FrontEnd: time 2.124e-06/0.1252, allocations: 4 kB / 0.4927 GB, free: 6.828 MB / 382.1 MB Notification: Performance of Transformations before backend: time 1.776e-05/0.1253, allocations: 0 / 0.4927 GB, free: 6.828 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 148 * Number of variables: 148 Notification: Performance of Generate backend data structure: time 0.001363/0.1266, allocations: 0.7668 MB / 0.4934 GB, free: 6.016 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.094e-05/0.1267, allocations: 12.03 kB / 0.4935 GB, free: 6.004 MB / 382.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001154/0.1268, allocations: 94.7 kB / 0.4936 GB, free: 5.902 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001353/0.127, allocations: 52.61 kB / 0.4936 GB, free: 5.852 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000417/0.1274, allocations: 315.9 kB / 0.4939 GB, free: 5.504 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.59e-05/0.1274, allocations: 37 kB / 0.4939 GB, free: 5.465 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.401e-05/0.1275, allocations: 51.91 kB / 0.494 GB, free: 5.414 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001045/0.1286, allocations: 0.7109 MB / 0.4947 GB, free: 4.699 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.866e-05/0.1286, allocations: 4 kB / 0.4947 GB, free: 4.695 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.658e-05/0.1286, allocations: 19.98 kB / 0.4947 GB, free: 4.676 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.79e-05/0.1287, allocations: 53.28 kB / 0.4948 GB, free: 4.621 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001232/0.13, allocations: 0.7428 MB / 0.4955 GB, free: 3.875 MB / 382.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002233/0.1322, allocations: 1.435 MB / 0.4969 GB, free: 2.391 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0008067/0.133, allocations: 456.5 kB / 0.4973 GB, free: 1.938 MB / 382.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002845/0.1333, allocations: 161.1 kB / 0.4975 GB, free: 1.777 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.932e-05/0.1334, allocations: 16.39 kB / 0.4975 GB, free: 1.762 MB / 382.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.993e-05/0.1334, allocations: 34.56 kB / 0.4975 GB, free: 1.719 MB / 382.1 MB Notification: Performance of pre-optimization done (n=28): time 1.663e-06/0.1334, allocations: 0 / 0.4975 GB, free: 1.719 MB / 382.1 MB Notification: Performance of matching and sorting (n=28): time 0.001117/0.1346, allocations: 0.5477 MB / 0.4981 GB, free: 1.164 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.846e-05/0.1346, allocations: 55.41 kB / 0.4981 GB, free: 1.098 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006362/0.1353, allocations: 0.5329 MB / 0.4986 GB, free: 0.5547 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 3.437e-05/0.1353, allocations: 29.7 kB / 0.4987 GB, free: 0.5195 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.00017/0.1355, allocations: 228.7 kB / 0.4989 GB, free: 300 kB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 9.586e-05/0.1356, allocations: 111.1 kB / 0.499 GB, free: 188 kB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001545/0.1358, allocations: 85.95 kB / 0.4991 GB, free: 92 kB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.000158/0.1359, allocations: 362.8 kB / 0.4994 GB, free: 15.73 MB / 398.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003221/0.1362, allocations: 152.5 kB / 0.4996 GB, free: 15.58 MB / 398.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003789/0.1366, allocations: 256.2 kB / 0.4998 GB, free: 15.29 MB / 398.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.000704/0.1374, allocations: 439.5 kB / 0.5002 GB, free: 14.82 MB / 398.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.841e-06/0.1374, allocations: 8 kB / 0.5002 GB, free: 14.81 MB / 398.1 MB Notification: Performance of matching and sorting (n=40) (initialization): time 0.000923/0.1383, allocations: 496.8 kB / 0.5007 GB, free: 14.32 MB / 398.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.925e-05/0.1383, allocations: 4 kB / 0.5007 GB, free: 14.32 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.967e-06/0.1383, allocations: 4.375 kB / 0.5007 GB, free: 14.31 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.076e-05/0.1384, allocations: 8 kB / 0.5007 GB, free: 14.3 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009512/0.1393, allocations: 207.8 kB / 0.5009 GB, free: 14.1 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004135/0.1435, allocations: 7.318 MB / 0.5081 GB, free: 6.504 MB / 398.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004126/0.1439, allocations: 63.72 kB / 0.5081 GB, free: 6.441 MB / 398.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.739e-05/0.144, allocations: 27.98 kB / 0.5081 GB, free: 6.414 MB / 398.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 12 (m_flow_IN_con_4[3].target,m_flow_IN_con_4[2].target,m_flow_IN_con_4[1].target,m_flow_IN_con_3[3].target,m_flow_IN_con_3[2].target,m_flow_IN_con_3[1].target,m_flow_IN_con_2[3].target,m_flow_IN_con_2[2].target,m_flow_IN_con_2[1].target,m_flow_IN_con_1[3].target,m_flow_IN_con_1[2].target,m_flow_IN_con_1[1].target) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (40): * Single equations (assignments): 28 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 12 * 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): 12 systems {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000404/0.1444, allocations: 225.5 kB / 0.5084 GB, free: 6.184 MB / 398.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001083/0.1445, allocations: 47.67 kB / 0.5084 GB, free: 6.137 MB / 398.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001181/0.1457, allocations: 0.5486 MB / 0.5089 GB, free: 5.582 MB / 398.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.003e-06/0.1457, allocations: 4 kB / 0.5089 GB, free: 5.578 MB / 398.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.52e-06/0.1458, allocations: 0 / 0.5089 GB, free: 5.578 MB / 398.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.414e-06/0.1458, allocations: 11.97 kB / 0.509 GB, free: 5.566 MB / 398.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006415/0.1464, allocations: 429.2 kB / 0.5094 GB, free: 5.098 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.288e-06/0.1464, allocations: 0 / 0.5094 GB, free: 5.098 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008438/0.1473, allocations: 199.8 kB / 0.5096 GB, free: 4.902 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 8.626e-06/0.1473, allocations: 0 / 0.5096 GB, free: 4.902 MB / 398.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.251e-05/0.1474, allocations: 19.92 kB / 0.5096 GB, free: 4.883 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003989/0.1514, allocations: 7.318 MB / 0.5167 GB, free: 13.29 MB / 414.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.519e-06/0.1514, allocations: 4.031 kB / 0.5167 GB, free: 13.28 MB / 414.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008693/0.1523, allocations: 0.5039 MB / 0.5172 GB, free: 12.76 MB / 414.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001505/0.1524, allocations: 124.8 kB / 0.5173 GB, free: 12.62 MB / 414.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.572e-05/0.1525, allocations: 12.09 kB / 0.5173 GB, free: 12.61 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002465/0.1528, allocations: 11.98 kB / 0.5174 GB, free: 12.6 MB / 414.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.613e-05/0.1529, allocations: 19.97 kB / 0.5174 GB, free: 12.58 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.27e-05/0.1529, allocations: 15.98 kB / 0.5174 GB, free: 12.56 MB / 414.1 MB Notification: Performance of sorting global known variables: time 0.0004592/0.1534, allocations: 395 kB / 0.5178 GB, free: 12.18 MB / 414.1 MB Notification: Performance of sort global known variables: time 1.4e-07/0.1534, allocations: 0 / 0.5178 GB, free: 12.18 MB / 414.1 MB Notification: Performance of remove unused functions: time 0.0005142/0.1539, allocations: 131.8 kB / 0.5179 GB, free: 12.05 MB / 414.1 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 (28): * Single equations (assignments): 16 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 12 * 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): 12 systems {1, 1, 1, 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 0.001339/0.1553, allocations: 1.09 MB / 0.519 GB, free: 10.93 MB / 414.1 MB Notification: Performance of simCode: created initialization part: time 0.001612/0.1569, allocations: 0.5271 MB / 0.5195 GB, free: 10.4 MB / 414.1 MB Notification: Performance of simCode: created event and clocks part: time 3.517e-06/0.1569, allocations: 0.75 kB / 0.5195 GB, free: 10.4 MB / 414.1 MB Notification: Performance of simCode: created simulation system equations: time 0.00103/0.1579, allocations: 356.1 kB / 0.5198 GB, free: 10.05 MB / 414.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007375/0.1587, allocations: 89.86 kB / 0.5199 GB, free: 9.961 MB / 414.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008301/0.167, allocations: 5.263 MB / 0.525 GB, free: 4.547 MB / 414.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006367/0.1677, allocations: 0.8971 MB / 0.5259 GB, free: 3.625 MB / 414.1 MB Notification: Performance of simCode: alias equations: time 0.000344/0.1681, allocations: 132.1 kB / 0.526 GB, free: 3.492 MB / 414.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000219/0.1683, allocations: 135.4 kB / 0.5262 GB, free: 3.359 MB / 414.1 MB Notification: Performance of SimCode: time 1.212e-06/0.1683, allocations: 4 kB / 0.5262 GB, free: 3.355 MB / 414.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.2591/0.4274, allocations: 13.52 MB / 0.5394 GB, free: 40.79 MB / 414.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 12.31/12.74, allocations: 17.41 kB / 0.5394 GB, free: 40.78 MB / 414.1 MB (rm -f ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC.sim & python3 -m fmpy simulate --output-file ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC_res.csv --start-time 0 --stop-time 1.01 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.000404 ModelicaTest_3_2_3_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_Channel_kc_evenGapLaminar_KC.fmu > ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC.pipe 2>&1) diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/Channel/kc_evenGapLaminar_KC/kc_evenGapLaminar_KC.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapLaminar_KC.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches