Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates.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.TestComponents.Vessels.TestMixingVolumesPressureStates,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|mixingVolume1.medium.h|mixingVolume1.medium.p|mixingVolume2.medium.h",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates") translateModel(ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|mixingVolume1.medium.h|mixingVolume1.medium.p|mixingVolume2.medium.h",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00126/0.00126, allocations: 105.9 kB / 18.3 MB, free: 4.887 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001341/0.001341, allocations: 195.5 kB / 19.23 MB, free: 3.961 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.433/1.433, allocations: 222.9 MB / 242.9 MB, free: 15.22 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2209/0.2209, allocations: 44.18 MB / 337.3 MB, free: 2.766 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001493/0.001493, allocations: 68.41 kB / 409.1 MB, free: 27.25 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1262/0.1278, allocations: 60.82 MB / 469.9 MB, free: 14.39 MB / 350.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates): time 0.3283/0.4561, allocations: 56.78 MB / 0.5144 GB, free: 10.65 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.03593/0.4921, allocations: 30.73 MB / 0.5444 GB, free: 3.289 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001892/0.4941, allocations: 30.06 kB / 0.5444 GB, free: 3.277 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002044/0.4962, allocations: 0.6698 MB / 0.5451 GB, free: 2.879 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01835/0.5145, allocations: 5.736 MB / 0.5507 GB, free: 14.92 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.01291/0.5275, allocations: 3.876 MB / 0.5544 GB, free: 12.09 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.005265/0.5328, allocations: 3.047 MB / 0.5574 GB, free: 10.36 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001952/0.5347, allocations: 0.8184 MB / 0.5582 GB, free: 9.816 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.01733/0.5521, allocations: 6.334 MB / 0.5644 GB, free: 4.746 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.01753/0.5696, allocations: 7.427 MB / 0.5717 GB, free: 13.21 MB / 414.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0006536/0.5704, allocations: 116 kB / 0.5718 GB, free: 13.09 MB / 414.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01997/0.5903, allocations: 8.199 MB / 0.5798 GB, free: 4.887 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0009137/0.5913, allocations: 406.8 kB / 0.5802 GB, free: 4.488 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001807/0.5931, allocations: 0.6806 MB / 0.5808 GB, free: 3.805 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01951/0.6127, allocations: 6.295 MB / 0.587 GB, free: 13.5 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.553e-06/0.6127, allocations: 0 / 0.587 GB, free: 13.5 MB / 430.1 MB Notification: Performance of FrontEnd: time 2.385e-06/0.6127, allocations: 0 / 0.587 GB, free: 13.5 MB / 430.1 MB Notification: Performance of Transformations before backend: time 7.321e-05/0.6128, allocations: 0 / 0.587 GB, free: 13.5 MB / 430.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 256 * Number of variables: 256 Notification: Performance of Generate backend data structure: time 0.007706/0.6205, allocations: 2.249 MB / 0.5892 GB, free: 11.19 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.37e-05/0.6206, allocations: 12.03 kB / 0.5892 GB, free: 11.18 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005165/0.6258, allocations: 0.6239 MB / 0.5898 GB, free: 10.55 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00172/0.6275, allocations: 0.7682 MB / 0.5905 GB, free: 9.746 MB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000234/0.6278, allocations: 209.3 kB / 0.5907 GB, free: 9.52 MB / 430.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002661/0.628, allocations: 104.4 kB / 0.5908 GB, free: 9.418 MB / 430.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004594/0.6326, allocations: 1.818 MB / 0.5926 GB, free: 7.465 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.485e-05/0.6327, allocations: 7.938 kB / 0.5926 GB, free: 7.457 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001547/0.6329, allocations: 44 kB / 0.5927 GB, free: 7.414 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.709e-05/0.6329, allocations: 53.92 kB / 0.5927 GB, free: 7.359 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004226/0.6372, allocations: 1.639 MB / 0.5943 GB, free: 5.723 MB / 430.1 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 0.01088/0.6481, allocations: 8.585 MB / 0.6027 GB, free: 12.52 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003113/0.6512, allocations: 0.9866 MB / 0.6037 GB, free: 11.52 MB / 446.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008526/0.6521, allocations: 423.9 kB / 0.6041 GB, free: 11.11 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.04723/0.6993, allocations: 24.99 MB / 0.6285 GB, free: 14.39 MB / 478.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.742e-05/0.6995, allocations: 47.06 kB / 0.6285 GB, free: 14.34 MB / 478.1 MB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0007933/0.7003, allocations: 83.03 kB / 0.6286 GB, free: 14.26 MB / 478.1 MB Notification: Performance of pre-optimization done (n=70): time 4.358e-06/0.7003, allocations: 0 / 0.6286 GB, free: 14.26 MB / 478.1 MB Notification: Performance of matching and sorting (n=78): time 0.01162/0.7119, allocations: 3.462 MB / 0.632 GB, free: 10.72 MB / 478.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.111e-05/0.712, allocations: 115.5 kB / 0.6321 GB, free: 10.59 MB / 478.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001371/0.7134, allocations: 0.8527 MB / 0.6329 GB, free: 9.723 MB / 478.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001001/0.7135, allocations: 41.7 kB / 0.633 GB, free: 9.676 MB / 478.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005008/0.714, allocations: 0.5601 MB / 0.6335 GB, free: 9.105 MB / 478.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.000293/0.7143, allocations: 280.1 kB / 0.6338 GB, free: 8.828 MB / 478.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004099/0.7148, allocations: 270.5 kB / 0.634 GB, free: 8.555 MB / 478.1 MB Notification: Performance of setup shared object (initialization): time 0.0002128/0.715, allocations: 414.7 kB / 0.6344 GB, free: 8.141 MB / 478.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000974/0.716, allocations: 430.3 kB / 0.6348 GB, free: 7.723 MB / 478.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001415/0.7174, allocations: 0.997 MB / 0.6358 GB, free: 6.453 MB / 478.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002498/0.7199, allocations: 1.49 MB / 0.6373 GB, free: 4.695 MB / 478.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.969e-05/0.7199, allocations: 8 kB / 0.6373 GB, free: 4.688 MB / 478.1 MB Notification: Performance of matching and sorting (n=165) (initialization): time 0.00379/0.7237, allocations: 1.732 MB / 0.639 GB, free: 2.941 MB / 478.1 MB Notification: Performance of prepare postOptimizeDAE: time 4.335e-05/0.7238, allocations: 12 kB / 0.639 GB, free: 2.93 MB / 478.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.243e-05/0.7238, allocations: 20 kB / 0.639 GB, free: 2.91 MB / 478.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002671/0.7265, allocations: 0.595 MB / 0.6396 GB, free: 2.309 MB / 478.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007522/0.7273, allocations: 243.6 kB / 0.6398 GB, free: 2.07 MB / 478.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002211/0.7295, allocations: 1.831 MB / 0.6416 GB, free: 192 kB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001093/0.7306, allocations: 68.03 kB / 0.6417 GB, free: 124 kB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001294/0.7308, allocations: 75.98 kB / 0.6417 GB, free: 44 kB / 478.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 86 * Number of states: 0 () * Number of discrete variables: 16 (sink2.medium.phase,mixingVolume2.heatTransfer.states[1].phase,flowSource2.medium.phase,mixingVolume1.heatTransfer.states[1].phase,simpleGenericOrifice1.state_b.phase,simpleGenericOrifice1.state_a.phase,simpleGenericOrifice2.state_b.phase,simpleGenericOrifice2.state_a.phase,mixingVolume1.regularFlow[1],mixingVolume1.regularFlow[2],mixingVolume2.regularFlow[1],mixingVolume2.regularFlow[2],mixingVolume2.inFlow[2],mixingVolume2.inFlow[1],mixingVolume1.inFlow[2],mixingVolume1.inFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (131): * Single equations (assignments): 129 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,4), (3,28)} Notification: Performance of prepare postOptimizeDAE: time 0.0006344/0.7314, allocations: 339.5 kB / 0.6421 GB, free: 15.7 MB / 494.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003144/0.7317, allocations: 106.7 kB / 0.6422 GB, free: 15.59 MB / 494.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006298/0.738, allocations: 4.454 MB / 0.6465 GB, free: 11.09 MB / 494.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.172e-05/0.7381, allocations: 59.84 kB / 0.6466 GB, free: 11.04 MB / 494.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.039e-05/0.7381, allocations: 4 kB / 0.6466 GB, free: 11.03 MB / 494.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.284e-05/0.7382, allocations: 3.984 kB / 0.6466 GB, free: 11.03 MB / 494.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00836/0.7465, allocations: 6.258 MB / 0.6527 GB, free: 4.672 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.668e-06/0.7466, allocations: 4 kB / 0.6527 GB, free: 4.668 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006138/0.7472, allocations: 151.8 kB / 0.6528 GB, free: 4.52 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001651/0.7489, allocations: 0.5343 MB / 0.6534 GB, free: 3.977 MB / 494.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.54e-05/0.749, allocations: 27.98 kB / 0.6534 GB, free: 3.949 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001737/0.7507, allocations: 1.797 MB / 0.6551 GB, free: 2.105 MB / 494.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.314e-06/0.7507, allocations: 0 / 0.6551 GB, free: 2.105 MB / 494.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005504/0.7562, allocations: 3.947 MB / 0.659 GB, free: 14.1 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007036/0.757, allocations: 358.2 kB / 0.6593 GB, free: 13.73 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002751/0.7573, allocations: 39.77 kB / 0.6594 GB, free: 13.69 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007035/0.758, allocations: 47.91 kB / 0.6594 GB, free: 13.64 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001712/0.7581, allocations: 76.89 kB / 0.6595 GB, free: 13.57 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.139e-05/0.7582, allocations: 31.98 kB / 0.6595 GB, free: 13.54 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.001023/0.7593, allocations: 0.6627 MB / 0.6602 GB, free: 12.86 MB / 0.4981 GB Notification: Performance of sort global known variables: time 2.41e-07/0.7593, allocations: 4 kB / 0.6602 GB, free: 12.86 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.004661/0.7639, allocations: 1.441 MB / 0.6616 GB, free: 11.42 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 3 (mixingVolume1.medium.p,mixingVolume1.medium.h,mixingVolume2.medium.h) * Number of discrete variables: 34 ($cse1.region3boundary,$cse2.region3boundary,$cse3.phase,$cse3.region,$cse4.phase,$cse4.region,$cse5.phase,$cse5.region,$cse6.region3boundary,$cse7.region3boundary,$cse8.phase,$cse8.region,$cse9.phase,$cse9.region,$cse10.phase,$cse10.region,$cse11.phase,$cse11.region,$cse12.phase,$cse12.region,$cse15.phase,$cse15.region,$cse20.phase,$cse20.region,$cse22.phase,$cse22.region,$cse24.phase,$cse24.region,$cse26.phase,$cse26.region,mixingVolume1.heatTransfer.states[1].phase,flowSource2.medium.phase,mixingVolume2.heatTransfer.states[1].phase,sink2.medium.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (81): * Single equations (assignments): 63 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 16 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(4,10), (1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.007004/0.7709, allocations: 1.599 MB / 0.6631 GB, free: 9.824 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.005736/0.7767, allocations: 1.784 MB / 0.6649 GB, free: 8.027 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 7.644e-06/0.7767, allocations: 0 / 0.6649 GB, free: 8.027 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.002072/0.7788, allocations: 1.216 MB / 0.6661 GB, free: 6.816 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003104/0.7819, allocations: 0.5555 MB / 0.6666 GB, free: 6.289 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006064/0.788, allocations: 3.71 MB / 0.6702 GB, free: 2.535 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0011/0.7892, allocations: 1.371 MB / 0.6716 GB, free: 1.133 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000338/0.7895, allocations: 115.4 kB / 0.6717 GB, free: 1.02 MB / 0.4981 GB Notification: Performance of SimCode: time 7.61e-07/0.7895, allocations: 0 / 0.6717 GB, free: 1.02 MB / 0.4981 GB Notification: Performance of Templates: time 0.3298/1.119, allocations: 51.74 MB / 0.7222 GB, free: 193 MB / 0.5294 GB make -j1 -f ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates.makefile (rm -f ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates.sim & ./ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates.pipe 2>&1) diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Fluid/TestComponents/Vessels/TestMixingVolumesPressureStates/TestMixingVolumesPressureStates.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.Fluid.TestComponents.Vessels.TestMixingVolumesPressureStates.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches