Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Modelica_3.2.3_Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks.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) 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(Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks,fileNamePrefix="Modelica_3_2_3_Modelica_Fluid_Examples_AST_BatchPlant_Test_TwoTanks",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks,fileNamePrefix="Modelica_3_2_3_Modelica_Fluid_Examples_AST_BatchPlant_Test_TwoTanks",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 0.0008285/0.000833, allocations: 97.64 kB / 17.3 MB, free: 6.344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001183/0.001183, allocations: 178.5 kB / 18.21 MB, free: 5.531 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.212/1.212, allocations: 205.4 MB / 224.4 MB, free: 13.06 MB / 190.1 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 0.0004509/0.000451, allocations: 16 kB / 281.5 MB, free: 3.312 MB / 222.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.07686/0.07732, allocations: 47.58 MB / 329.1 MB, free: 3.664 MB / 270.1 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks): time 0.0158/0.09316, allocations: 17.77 MB / 346.8 MB, free: 1.812 MB / 286.1 MB Notification: Performance of NFInst.instExpressions: time 0.007624/0.1008, allocations: 6.228 MB / 353.1 MB, free: 11.57 MB / 302.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004386/0.1013, allocations: 31.69 kB / 353.1 MB, free: 11.54 MB / 302.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0006259/0.1019, allocations: 282.5 kB / 353.4 MB, free: 11.27 MB / 302.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001735/0.1037, allocations: 0.9723 MB / 354.3 MB, free: 10.29 MB / 302.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002649/0.1063, allocations: 1.368 MB / 355.7 MB, free: 8.918 MB / 302.1 MB Notification: Performance of NFFlatten.flatten: time 0.00255/0.1089, allocations: 3.057 MB / 358.8 MB, free: 5.852 MB / 302.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0005001/0.1094, allocations: 417.3 kB / 359.2 MB, free: 5.43 MB / 302.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0007904/0.1102, allocations: 0.6226 MB / 359.8 MB, free: 4.805 MB / 302.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0008241/0.111, allocations: 0.7356 MB / 360.5 MB, free: 4.066 MB / 302.1 MB Notification: Performance of NFPackage.collectConstants: time 8.032e-05/0.1111, allocations: 36 kB / 360.6 MB, free: 4.031 MB / 302.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001558/0.1127, allocations: 1.088 MB / 361.7 MB, free: 2.941 MB / 302.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002176/0.1129, allocations: 223.3 kB / 361.9 MB, free: 2.723 MB / 302.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003592/0.1133, allocations: 395.8 kB / 362.3 MB, free: 2.328 MB / 302.1 MB Notification: Performance of NFConvertDAE.convert: time 0.00162/0.1149, allocations: 1.64 MB / 363.9 MB, free: 0.6836 MB / 302.1 MB Notification: Performance of FrontEnd - DAE generated: time 2.435e-06/0.1149, allocations: 0 / 363.9 MB, free: 0.6836 MB / 302.1 MB Notification: Performance of FrontEnd: time 1.423e-06/0.1149, allocations: 0 / 363.9 MB, free: 0.6836 MB / 302.1 MB Notification: Performance of Transformations before backend: time 7.915e-06/0.1149, allocations: 0 / 363.9 MB, free: 0.6836 MB / 302.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 120 * Number of variables: 120 Notification: Performance of Generate backend data structure: time 0.001771/0.1167, allocations: 1.036 MB / 364.9 MB, free: 15.6 MB / 318.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.391e-05/0.1168, allocations: 15.97 kB / 364.9 MB, free: 15.58 MB / 318.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000115/0.1169, allocations: 94.69 kB / 365 MB, free: 15.48 MB / 318.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002515/0.1171, allocations: 91.83 kB / 365.1 MB, free: 15.39 MB / 318.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006888/0.1178, allocations: 0.5439 MB / 365.7 MB, free: 14.8 MB / 318.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.956e-05/0.1179, allocations: 44.97 kB / 365.7 MB, free: 14.76 MB / 318.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.44e-05/0.118, allocations: 44 kB / 365.8 MB, free: 14.72 MB / 318.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001087/0.1191, allocations: 0.7372 MB / 366.5 MB, free: 13.95 MB / 318.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.824e-05/0.1191, allocations: 3.984 kB / 366.5 MB, free: 13.95 MB / 318.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.235e-05/0.1192, allocations: 23.98 kB / 366.5 MB, free: 13.93 MB / 318.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.274e-05/0.1193, allocations: 44.97 kB / 366.6 MB, free: 13.88 MB / 318.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001031/0.1203, allocations: 0.6986 MB / 367.3 MB, free: 13.18 MB / 318.1 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003842/0.1241, allocations: 3.038 MB / 370.3 MB, free: 9.926 MB / 318.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0007174/0.1249, allocations: 488.5 kB / 370.8 MB, free: 9.438 MB / 318.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003766/0.1253, allocations: 266 kB / 371 MB, free: 9.176 MB / 318.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002528/0.1255, allocations: 345.3 kB / 371.4 MB, free: 8.766 MB / 318.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.053e-05/0.1256, allocations: 46.92 kB / 371.4 MB, free: 8.711 MB / 318.1 MB Notification: Performance of pre-optimization done (n=48): time 1.773e-06/0.1256, allocations: 0 / 371.4 MB, free: 8.711 MB / 318.1 MB Notification: Performance of matching and sorting (n=58): time 0.005074/0.1306, allocations: 2.319 MB / 373.7 MB, free: 6.32 MB / 318.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.705e-05/0.1307, allocations: 85.67 kB / 373.8 MB, free: 6.219 MB / 318.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006752/0.1314, allocations: 0.6211 MB / 374.4 MB, free: 5.59 MB / 318.1 MB Notification: Performance of collectPreVariables (initialization): time 5.379e-05/0.1315, allocations: 45.69 kB / 374.5 MB, free: 5.539 MB / 318.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.000219/0.1317, allocations: 324.4 kB / 374.8 MB, free: 5.219 MB / 318.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001562/0.1319, allocations: 205.1 kB / 375 MB, free: 5.016 MB / 318.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 8.736e-05/0.1319, allocations: 65.69 kB / 375.1 MB, free: 4.945 MB / 318.1 MB Notification: Performance of setup shared object (initialization): time 0.0001598/0.1321, allocations: 382.8 kB / 375.4 MB, free: 4.562 MB / 318.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004689/0.1326, allocations: 301.8 kB / 375.7 MB, free: 4.27 MB / 318.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00056/0.1332, allocations: 477.3 kB / 376.2 MB, free: 3.73 MB / 318.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009853/0.1341, allocations: 0.7522 MB / 377 MB, free: 2.91 MB / 318.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.414e-06/0.1342, allocations: 0 / 377 MB, free: 2.91 MB / 318.1 MB Notification: Performance of matching and sorting (n=92) (initialization): time 0.00145/0.1356, allocations: 0.9693 MB / 377.9 MB, free: 1.93 MB / 318.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001435/0.1358, allocations: 236 kB / 378.2 MB, free: 1.637 MB / 318.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.037e-06/0.1358, allocations: 8 kB / 378.2 MB, free: 1.629 MB / 318.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002506/0.1383, allocations: 428.2 kB / 378.6 MB, free: 1.207 MB / 318.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005395/0.1389, allocations: 143.8 kB / 378.7 MB, free: 1.066 MB / 318.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008102/0.1397, allocations: 0.8332 MB / 379.6 MB, free: 212 kB / 318.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004605/0.1401, allocations: 51.97 kB / 379.6 MB, free: 160 kB / 318.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.81e-05/0.1402, allocations: 31.98 kB / 379.6 MB, free: 128 kB / 318.1 MB Notification: Performance of prepare postOptimizeDAE: time 6.232e-06/0.1402, allocations: 4 kB / 379.6 MB, free: 124 kB / 318.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.1479/0.2881, allocations: 0.8104 MB / 380.5 MB, free: 29.47 MB / 318.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.859e-05/0.2882, allocations: 4.969 kB / 380.5 MB, free: 29.47 MB / 318.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002162/0.2903, allocations: 288.6 kB / 380.7 MB, free: 29.46 MB / 318.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006318/0.291, allocations: 167.1 kB / 380.9 MB, free: 29.46 MB / 318.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007291/0.2917, allocations: 0.7036 MB / 381.6 MB, free: 28.95 MB / 318.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006091/0.2924, allocations: 47.2 kB / 381.7 MB, free: 28.95 MB / 318.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.655e-05/0.2925, allocations: 31.67 kB / 381.7 MB, free: 28.95 MB / 318.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * Number of states: 0 () * Number of discrete variables: 6 (tank2.aboveLevel[1],$PRE.tank2.aboveLevel[1],tank1.aboveLevel[1],$PRE.tank1.aboveLevel[1],tank2.ports_m_flow_out[1],tank1.ports_m_flow_out[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (84): * Single equations (assignments): 83 * Array equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0003878/0.2929, allocations: 321.1 kB / 382 MB, free: 28.76 MB / 318.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001945/0.2931, allocations: 72.34 kB / 382.1 MB, free: 28.76 MB / 318.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00155/0.2946, allocations: 0.869 MB / 382.9 MB, free: 28.7 MB / 318.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.985e-06/0.2946, allocations: 7.531 kB / 382.9 MB, free: 28.7 MB / 318.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.862e-06/0.2947, allocations: 0.7969 kB / 382.9 MB, free: 28.7 MB / 318.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.646e-06/0.2947, allocations: 3.516 kB / 383 MB, free: 28.7 MB / 318.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002544/0.2972, allocations: 1.726 MB / 384.7 MB, free: 28.36 MB / 318.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.517e-06/0.2972, allocations: 1.031 kB / 384.7 MB, free: 28.36 MB / 318.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004647/0.2977, allocations: 106.7 kB / 384.8 MB, free: 28.36 MB / 318.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001486/0.2992, allocations: 361 kB / 385.1 MB, free: 28.36 MB / 318.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.027e-05/0.2993, allocations: 14.77 kB / 385.1 MB, free: 28.36 MB / 318.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005974/0.2999, allocations: 0.8087 MB / 386 MB, free: 27.84 MB / 318.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.753e-06/0.2999, allocations: 1 kB / 386 MB, free: 27.84 MB / 318.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00168/0.3016, allocations: 1.298 MB / 387.3 MB, free: 27.66 MB / 318.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001506/0.3017, allocations: 153 kB / 387.4 MB, free: 27.57 MB / 318.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.71e-05/0.3018, allocations: 14.91 kB / 387.4 MB, free: 27.57 MB / 318.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004318/0.3023, allocations: 47.38 kB / 387.5 MB, free: 27.57 MB / 318.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001205/0.3024, allocations: 50.33 kB / 387.5 MB, free: 27.57 MB / 318.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.981e-05/0.3025, allocations: 25.55 kB / 387.5 MB, free: 27.57 MB / 318.1 MB Notification: Performance of sorting global known variables: time 0.0005466/0.303, allocations: 444.8 kB / 388 MB, free: 27.47 MB / 318.1 MB Notification: Performance of sort global known variables: time 8.72e-07/0.303, allocations: 0 / 388 MB, free: 27.47 MB / 318.1 MB Notification: Performance of remove unused functions: time 0.001284/0.3043, allocations: 0.5334 MB / 388.5 MB, free: 27.47 MB / 318.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 4 (tank1.level,tank1.medium.T,tank2.level,tank2.medium.T) * Number of discrete variables: 2 (tank1.aboveLevel[1],tank2.aboveLevel[1]) * Number of discrete states: 2 (tank2.aboveLevel[1],tank1.aboveLevel[1]) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (54): * Single equations (assignments): 53 * Array equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,12)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002637/0.307, allocations: 2.178 MB / 390.7 MB, free: 26.73 MB / 318.1 MB Notification: Performance of simCode: created initialization part: time 0.002002/0.309, allocations: 1.173 MB / 391.9 MB, free: 26.71 MB / 318.1 MB Notification: Performance of simCode: created event and clocks part: time 3.066e-06/0.309, allocations: 1.469 kB / 391.9 MB, free: 26.71 MB / 318.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0005588/0.3095, allocations: 392.5 kB / 392.2 MB, free: 26.71 MB / 318.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001529/0.3111, allocations: 340 kB / 392.6 MB, free: 26.68 MB / 318.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008461/0.3196, allocations: 7.507 MB / 400.1 MB, free: 23.85 MB / 318.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003346/0.3199, allocations: 0.9681 MB / 401.1 MB, free: 23.13 MB / 318.1 MB Notification: Performance of simCode: alias equations: time 0.0008013/0.3207, allocations: 283.6 kB / 401.3 MB, free: 23.08 MB / 318.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003014/0.321, allocations: 256.3 kB / 401.6 MB, free: 23.07 MB / 318.1 MB Notification: Performance of SimCode: time 2.51e-07/0.321, allocations: 0 / 401.6 MB, free: 23.07 MB / 318.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03421/0.3552, allocations: 26.2 MB / 427.8 MB, free: 0.6758 MB / 318.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001343/0.3554, allocations: 235.7 kB / 428 MB, free: 428 kB / 318.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 2.516/2.872, allocations: 6.312 kB / 428 MB, free: 428 kB / 318.1 MB (rm -f Modelica_3.2.3_Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks.pipe ; mkfifo Modelica_3.2.3_Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks.pipe >> ../files/Modelica_3.2.3_Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Modelica_3.2.3_Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks_res.mat --tempDir=temp_Modelica_3_2_3_Modelica_Fluid_Examples_AST_BatchPlant_Test_TwoTanks_fmu --startTime=0 --stopTime=100 --timeout=50 --tolerance=1e-06 Modelica_3_2_3_Modelica_Fluid_Examples_AST_BatchPlant_Test_TwoTanks.fmu > Modelica_3.2.3_Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks.pipe 2>&1) diffSimulationResults("Modelica_3.2.3_Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Fluid/Examples/AST_BatchPlant/Test/TwoTanks/TwoTanks.csv","../files/Modelica_3.2.3_Modelica.Fluid.Examples.AST_BatchPlant.Test.TwoTanks.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches