Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.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: translateModel(ModelicaTest.MultiBody.Frames.AngularVelocity,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|body.body.Q.1.|body.body.Q.2.|body.body.Q.3.|body.body.Q.4.|body.body.frame_a.r_0.1.|body.body.frame_a.r_0.2.|body.body.frame_a.r_0.3.|body.body.w_a.1.|body.body.w_a.2.|body.body.w_a.3.|body.v_0.1.|body.v_0.2.|body.v_0.3.",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity") translateModel(ModelicaTest.MultiBody.Frames.AngularVelocity,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|body.body.Q.1.|body.body.Q.2.|body.body.Q.3.|body.body.Q.4.|body.body.frame_a.r_0.1.|body.body.frame_a.r_0.2.|body.body.frame_a.r_0.3.|body.body.w_a.1.|body.body.w_a.2.|body.body.w_a.3.|body.v_0.1.|body.v_0.2.|body.v_0.3.",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001588/0.001588, allocations: 112.4 kB / 16.64 MB, free: 6.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001747/0.001747, allocations: 186.5 kB / 17.56 MB, free: 6.039 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.467/1.467, allocations: 205.1 MB / 223.4 MB, free: 12.47 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.2028/0.2028, allocations: 43.51 MB / 314.3 MB, free: 0.707 MB / 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 0.001474/0.001474, allocations: 68.11 kB / 382.9 MB, free: 56.98 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1063/0.1078, allocations: 57.8 MB / 440.7 MB, free: 7.355 MB / 318.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Frames.AngularVelocity): time 0.04845/0.1563, allocations: 50.35 MB / 491 MB, free: 4.797 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.02475/0.1811, allocations: 10.55 MB / 0.4898 GB, free: 10.21 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.01183/0.193, allocations: 211.5 kB / 0.49 GB, free: 10.01 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.006802/0.1999, allocations: 2.731 MB / 0.4927 GB, free: 7.27 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.005732/0.2057, allocations: 1.756 MB / 0.4944 GB, free: 5.508 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001894/0.2076, allocations: 0.6437 MB / 0.495 GB, free: 4.863 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.005497/0.2131, allocations: 3.891 MB / 0.4988 GB, free: 0.9648 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.004514/0.2177, allocations: 4.097 MB / 0.5028 GB, free: 12.8 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002395/0.2201, allocations: 1.616 MB / 0.5044 GB, free: 11.18 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003022/0.2231, allocations: 2.348 MB / 0.5067 GB, free: 8.824 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0006928/0.2238, allocations: 356 kB / 0.507 GB, free: 8.477 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002163/0.226, allocations: 1.229 MB / 0.5082 GB, free: 7.246 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001908/0.2279, allocations: 2.014 MB / 0.5102 GB, free: 5.227 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.00277/0.2307, allocations: 2.338 MB / 0.5125 GB, free: 2.875 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.006606/0.2373, allocations: 5.839 MB / 0.5182 GB, free: 13.02 MB / 414.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.522e-06/0.2374, allocations: 4 kB / 0.5182 GB, free: 13.02 MB / 414.1 MB Notification: Performance of FrontEnd: time 1.643e-06/0.2374, allocations: 0 / 0.5182 GB, free: 13.02 MB / 414.1 MB Notification: Performance of Transformations before backend: time 0.0002156/0.2376, allocations: 3.938 kB / 0.5182 GB, free: 13.02 MB / 414.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1590 * Number of variables: 1590 Notification: Performance of Generate backend data structure: time 0.01133/0.2489, allocations: 4.855 MB / 0.5229 GB, free: 8.09 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.684e-05/0.249, allocations: 11.89 kB / 0.5229 GB, free: 8.078 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006863/0.2559, allocations: 1.929 MB / 0.5248 GB, free: 6.141 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004896/0.2608, allocations: 2.279 MB / 0.527 GB, free: 3.801 MB / 414.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00025/0.2611, allocations: 254.9 kB / 0.5273 GB, free: 3.551 MB / 414.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001134/0.2622, allocations: 431.5 kB / 0.5277 GB, free: 3.129 MB / 414.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.2366/0.4988, allocations: 10.41 MB / 0.5379 GB, free: 88.52 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001244/0.499, allocations: 38.41 kB / 0.5379 GB, free: 88.5 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004487/0.4995, allocations: 163 kB / 0.5381 GB, free: 88.42 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003479/0.503, allocations: 1.945 MB / 0.54 GB, free: 88.06 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01806/0.5211, allocations: 8.654 MB / 0.5484 GB, free: 84.93 MB / 414.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04179/0.5629, allocations: 40.45 MB / 0.5879 GB, free: 45.27 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.008206/0.5711, allocations: 3.819 MB / 0.5916 GB, free: 41.3 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001936/0.5731, allocations: 1.76 MB / 0.5934 GB, free: 39.53 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.009582/0.5827, allocations: 8.269 MB / 0.6014 GB, free: 30.89 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.76e-05/0.5828, allocations: 47.56 kB / 0.6015 GB, free: 30.84 MB / 414.1 MB Notification: Performance of pre-optimization done (n=153): time 4.568e-06/0.5828, allocations: 0 / 0.6015 GB, free: 30.84 MB / 414.1 MB Notification: Performance of matching and sorting (n=160): time 0.0265/0.6093, allocations: 13.06 MB / 0.6142 GB, free: 17.59 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.001227/0.6106, allocations: 1.703 MB / 0.6159 GB, free: 15.71 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004796/0.6154, allocations: 3.982 MB / 0.6198 GB, free: 11.75 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 0.00031/0.6158, allocations: 49.7 kB / 0.6198 GB, free: 11.69 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.001386/0.6171, allocations: 3.202 MB / 0.623 GB, free: 8.441 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0006302/0.6178, allocations: 0.6443 MB / 0.6236 GB, free: 7.789 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001318/0.6191, allocations: 1.233 MB / 0.6248 GB, free: 6.543 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 4.008e-05/0.6192, allocations: 305.2 kB / 0.6251 GB, free: 6.242 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002461/0.6216, allocations: 2.19 MB / 0.6272 GB, free: 4.047 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005133/0.6268, allocations: 5.944 MB / 0.633 GB, free: 12.23 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.011/0.6378, allocations: 8.722 MB / 0.6416 GB, free: 1.652 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001052/0.638, allocations: 40 kB / 0.6416 GB, free: 1.613 MB / 430.1 MB Notification: Performance of matching and sorting (n=792) (initialization): time 0.02316/0.6611, allocations: 9.607 MB / 0.651 GB, free: 7.977 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001072/0.6613, allocations: 60 kB / 0.651 GB, free: 7.918 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.01137/0.6727, allocations: 3.876 MB / 0.6548 GB, free: 4.031 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.009959/0.6827, allocations: 2.227 MB / 0.657 GB, free: 1.789 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004652/0.6873, allocations: 1.4 MB / 0.6584 GB, free: 396 kB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01063/0.698, allocations: 7.498 MB / 0.6657 GB, free: 8.598 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004947/0.703, allocations: 431.3 kB / 0.6661 GB, free: 8.176 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00108/0.7041, allocations: 372 kB / 0.6664 GB, free: 7.812 MB / 462.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 605 * Number of states: 0 () * Number of discrete variables: 39 (FrameTorque1.color[3],FrameTorque1.color[2],FrameTorque1.color[1],spring2.color[3],spring2.color[2],spring2.color[1],spring2.massColor[3],spring2.massColor[2],spring2.massColor[1],body.color[3],body.color[2],body.color[1],body.body.sphereColor[3],body.body.sphereColor[2],body.body.sphereColor[1],body.frameTranslation.color[3],body.frameTranslation.color[2],body.frameTranslation.color[1],spring1.color[3],spring1.color[2],spring1.color[1],spring1.massColor[3],spring1.massColor[2],spring1.massColor[1],bar2.color[3],bar2.color[2],bar2.color[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[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]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (754): * Single equations (assignments): 745 * Array equations: 5 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(4,100.0%), (3,100.0%)} * Non-linear Jacobian (size): 1 system {4} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.004645/0.7087, allocations: 2.123 MB / 0.6685 GB, free: 5.676 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009124/0.7097, allocations: 339.6 kB / 0.6688 GB, free: 5.34 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006866/0.7165, allocations: 3.165 MB / 0.6719 GB, free: 2.16 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.005174/0.7217, allocations: 2.691 MB / 0.6746 GB, free: 15.45 MB / 478.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.673e-05/0.7218, allocations: 4 kB / 0.6746 GB, free: 15.44 MB / 478.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.478e-05/0.7218, allocations: 8.719 kB / 0.6746 GB, free: 15.43 MB / 478.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01841/0.7402, allocations: 9.182 MB / 0.6835 GB, free: 6.156 MB / 478.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.383e-05/0.7403, allocations: 0 / 0.6835 GB, free: 6.156 MB / 478.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001295/0.7416, allocations: 271.6 kB / 0.6838 GB, free: 5.891 MB / 478.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.003063/0.7447, allocations: 1.037 MB / 0.6848 GB, free: 4.84 MB / 478.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001948/0.7449, allocations: 39.97 kB / 0.6848 GB, free: 4.801 MB / 478.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006309/0.7512, allocations: 5.329 MB / 0.6901 GB, free: 15.19 MB / 494.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.001148/0.7524, allocations: 1.569 MB / 0.6916 GB, free: 13.48 MB / 494.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00898/0.7614, allocations: 5.574 MB / 0.697 GB, free: 7.859 MB / 494.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001259/0.7627, allocations: 404.5 kB / 0.6974 GB, free: 7.441 MB / 494.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008146/0.7635, allocations: 28 kB / 0.6974 GB, free: 7.414 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001935/0.7654, allocations: 151.8 kB / 0.6976 GB, free: 7.266 MB / 494.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003149/0.7658, allocations: 96.78 kB / 0.6977 GB, free: 7.172 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001425/0.7659, allocations: 47.92 kB / 0.6977 GB, free: 7.125 MB / 494.1 MB Notification: Performance of sorting global known variables: time 0.004684/0.7706, allocations: 2.473 MB / 0.7001 GB, free: 4.672 MB / 494.1 MB Notification: Performance of sort global known variables: time 5.81e-07/0.7706, allocations: 0 / 0.7001 GB, free: 4.672 MB / 494.1 MB Notification: Performance of remove unused functions: time 0.005682/0.7763, allocations: 1.1 MB / 0.7012 GB, free: 3.57 MB / 494.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 12 ($STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],body.v_0[1],body.v_0[2],body.v_0[3],body.body.frame_a.r_0[1],body.body.frame_a.r_0[2],body.body.frame_a.r_0[3],body.body.w_a[1],body.body.w_a[2],body.body.w_a[3]) * 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 (126): * Single equations (assignments): 119 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(4,100.0%), (3,100.0%)} * Non-linear Jacobian (size): 1 system {4} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0006075/0.777, allocations: 169.7 kB / 0.7014 GB, free: 3.398 MB / 494.1 MB Notification: Performance of simCode: created initialization part: time 0.01217/0.7891, allocations: 6.615 MB / 0.7078 GB, free: 12.75 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 9.618e-06/0.7892, allocations: 0 / 0.7078 GB, free: 12.75 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.004286/0.7935, allocations: 2.255 MB / 0.71 GB, free: 10.43 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003443/0.797, allocations: 443.2 kB / 0.7105 GB, free: 10 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.239/1.036, allocations: 12.28 MB / 0.7225 GB, free: 166.8 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004556/1.041, allocations: 3.296 MB / 0.7257 GB, free: 166 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001125/1.042, allocations: 289.7 kB / 0.726 GB, free: 166 MB / 0.4981 GB Notification: Performance of SimCode: time 1.082e-06/1.042, allocations: 0 / 0.726 GB, free: 166 MB / 0.4981 GB Notification: Performance of Templates: time 0.1372/1.179, allocations: 135.7 MB / 0.8585 GB, free: 48.09 MB / 0.4981 GB make -j1 -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.makefile (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.sim & ./ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.pipe 2>&1) diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Frames/AngularVelocity/AngularVelocity.csv","../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches