Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.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.Joints.GearConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|gearConstraint.actuatedRevolute_b.phi|gearConstraint.actuatedRevolute_b.w|inertia2.phi|inertia2.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint") translateModel(ModelicaTest.MultiBody.Joints.GearConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|gearConstraint.actuatedRevolute_b.phi|gearConstraint.actuatedRevolute_b.w|inertia2.phi|inertia2.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001056/0.001056, allocations: 96.94 kB / 16.02 MB, free: 84 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001651/0.001651, allocations: 179.5 kB / 16.92 MB, free: 6.648 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.923/1.923, allocations: 205.4 MB / 223.1 MB, free: 5.188 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.4242/0.4242, allocations: 43.57 MB / 315 MB, free: 9.297 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 0.000812/0.000812, allocations: 14.66 kB / 384.6 MB, free: 7.848 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1657/0.1665, allocations: 58.86 MB / 443.4 MB, free: 12.89 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Joints.GearConstraint): time 0.3681/0.5347, allocations: 80.27 MB / 0.5114 GB, free: 12.89 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.05146/0.5862, allocations: 15.87 MB / 0.5269 GB, free: 2.281 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.02276/0.609, allocations: 351.1 kB / 0.5273 GB, free: 2.23 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003463/0.6125, allocations: 0.8353 MB / 0.5281 GB, free: 1.922 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01142/0.6239, allocations: 3.019 MB / 0.531 GB, free: 0.5938 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003317/0.6273, allocations: 0.8352 MB / 0.5319 GB, free: 224 kB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.01983/0.6471, allocations: 11.9 MB / 0.5435 GB, free: 9.414 MB / 414.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01628/0.6635, allocations: 8.708 MB / 0.552 GB, free: 0.6523 MB / 414.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.006885/0.6704, allocations: 2.245 MB / 0.5542 GB, free: 14.4 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.008455/0.6789, allocations: 3.842 MB / 0.5579 GB, free: 10.54 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002521/0.6814, allocations: 292 kB / 0.5582 GB, free: 10.26 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004574/0.686, allocations: 1.166 MB / 0.5593 GB, free: 9.09 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.00537/0.6914, allocations: 3.42 MB / 0.5627 GB, free: 5.66 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.009328/0.7008, allocations: 3.948 MB / 0.5665 GB, free: 1.68 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01949/0.7203, allocations: 12.96 MB / 0.5792 GB, free: 4.672 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.863e-06/0.7204, allocations: 0 / 0.5792 GB, free: 4.672 MB / 446.1 MB Notification: Performance of FrontEnd: time 2.986e-06/0.7204, allocations: 0 / 0.5792 GB, free: 4.672 MB / 446.1 MB Notification: Performance of Transformations before backend: time 0.0005783/0.721, allocations: 0 / 0.5792 GB, free: 4.672 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 3112 * Number of variables: 3112 Notification: Performance of Generate backend data structure: time 0.02041/0.7414, allocations: 7.345 MB / 0.5864 GB, free: 13.24 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.626e-05/0.7414, allocations: 11.97 kB / 0.5864 GB, free: 13.23 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02268/0.7641, allocations: 5.605 MB / 0.5919 GB, free: 7.605 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01271/0.7769, allocations: 5.082 MB / 0.5968 GB, free: 2.465 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004672/0.7774, allocations: 455.9 kB / 0.5973 GB, free: 2.02 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002895/0.7803, allocations: 0.5897 MB / 0.5978 GB, free: 1.43 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.042/0.8223, allocations: 20.56 MB / 0.6179 GB, free: 11.8 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004932/0.8228, allocations: 75.31 kB / 0.618 GB, free: 11.73 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003306/0.8262, allocations: 283.6 kB / 0.6183 GB, free: 11.45 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.007629/0.8338, allocations: 4.353 MB / 0.6225 GB, free: 7.094 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.5396/1.373, allocations: 18.26 MB / 0.6403 GB, free: 129.1 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1224/1.496, allocations: 75.65 MB / 0.7142 GB, free: 79.96 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01611/1.512, allocations: 8.186 MB / 0.7222 GB, free: 75.32 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.007426/1.52, allocations: 5.368 MB / 0.7274 GB, free: 71.11 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0003597/1.52, allocations: 62.47 kB / 0.7275 GB, free: 71.06 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.99e-05/1.52, allocations: 77.38 kB / 0.7276 GB, free: 70.97 MB / 494.1 MB Notification: Performance of pre-optimization done (n=450): time 8.706e-06/1.52, allocations: 0 / 0.7276 GB, free: 70.97 MB / 494.1 MB Notification: Performance of matching and sorting (n=497): time 0.09754/1.618, allocations: 42.99 MB / 0.7696 GB, free: 27.9 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001062/1.618, allocations: 231 kB / 0.7698 GB, free: 27.63 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009073/1.627, allocations: 6.513 MB / 0.7761 GB, free: 21.12 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 0.001695/1.629, allocations: 96.28 kB / 0.7762 GB, free: 21.02 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.003297/1.632, allocations: 5.644 MB / 0.7817 GB, free: 15.38 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.002558/1.634, allocations: 1.802 MB / 0.7835 GB, free: 13.59 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001564/1.636, allocations: 0.9876 MB / 0.7845 GB, free: 12.6 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 5.067e-05/1.636, allocations: 301.1 kB / 0.7848 GB, free: 12.3 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00714/1.643, allocations: 5.207 MB / 0.7898 GB, free: 7.09 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01267/1.656, allocations: 11.4 MB / 0.801 GB, free: 8.707 MB / 0.4982 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02528/1.681, allocations: 17.95 MB / 0.8185 GB, free: 3.742 MB / 0.5138 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0002112/1.681, allocations: 60 kB / 0.8186 GB, free: 3.684 MB / 0.5138 GB Notification: Performance of matching and sorting (n=1524) (initialization): time 0.3303/2.012, allocations: 18.36 MB / 0.8365 GB, free: 149.9 MB / 0.5138 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002314/2.012, allocations: 96.91 kB / 0.8366 GB, free: 149.9 MB / 0.5138 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000371/2.012, allocations: 214.2 kB / 0.8368 GB, free: 149.9 MB / 0.5138 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.006891/2.019, allocations: 2.354 MB / 0.8391 GB, free: 149.5 MB / 0.5138 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01141/2.031, allocations: 2.651 MB / 0.8417 GB, free: 149.2 MB / 0.5138 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02007/2.051, allocations: 16.15 MB / 0.8574 GB, free: 139.7 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008562/2.059, allocations: 0.6836 MB / 0.8581 GB, free: 139.6 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002097/2.062, allocations: 0.6388 MB / 0.8587 GB, free: 139.5 MB / 0.5138 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 975 * Number of states: 0 () * Number of discrete variables: 51 (fixedFrame1.color_x[3],fixedFrame1.color_x[2],fixedFrame1.color_x[1],fixedFrame2.color_x[3],fixedFrame2.color_x[2],fixedFrame2.color_x[1],fixed.color[3],fixed.color[2],fixed.color[1],torque1.connectionLineColor[3],torque1.connectionLineColor[2],torque1.connectionLineColor[1],torque1.torqueColor[3],torque1.torqueColor[2],torque1.torqueColor[1],cyl2.color[3],cyl2.color[2],cyl2.color[1],cyl2.body.sphereColor[3],cyl2.body.sphereColor[2],cyl2.body.sphereColor[1],cyl1.color[3],cyl1.color[2],cyl1.color[1],cyl1.body.sphereColor[3],cyl1.body.sphereColor[2],cyl1.body.sphereColor[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],gearConstraint.fixedTranslation2.color[3],gearConstraint.fixedTranslation2.color[2],gearConstraint.fixedTranslation2.color[1],gearConstraint.fixedTranslation1.color[3],gearConstraint.fixedTranslation1.color[2],gearConstraint.fixedTranslation1.color[1],gearConstraint.actuatedRevolute_b.cylinderColor[3],gearConstraint.actuatedRevolute_b.cylinderColor[2],gearConstraint.actuatedRevolute_b.cylinderColor[1],gearConstraint.actuatedRevolute_a.cylinderColor[3],gearConstraint.actuatedRevolute_a.cylinderColor[2],gearConstraint.actuatedRevolute_a.cylinderColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1400): * Single equations (assignments): 1387 * Array equations: 9 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 4 systems {(1,2,100.0%), (1,2,100.0%), (3,40,77.8%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.01174/2.073, allocations: 4.189 MB / 0.8628 GB, free: 137.7 MB / 0.5138 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001535/2.075, allocations: 0.6111 MB / 0.8634 GB, free: 137.7 MB / 0.5138 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02059/2.096, allocations: 10.6 MB / 0.8738 GB, free: 133.9 MB / 0.5138 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0001397/2.096, allocations: 86.44 kB / 0.8739 GB, free: 133.9 MB / 0.5138 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.256e-05/2.096, allocations: 7.906 kB / 0.8739 GB, free: 133.9 MB / 0.5138 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001143/2.096, allocations: 24.55 kB / 0.8739 GB, free: 133.9 MB / 0.5138 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04117/2.137, allocations: 22.68 MB / 0.896 GB, free: 120.2 MB / 0.5138 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.438e-05/2.137, allocations: 12 kB / 0.8961 GB, free: 120.2 MB / 0.5138 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004039/2.141, allocations: 0.7885 MB / 0.8968 GB, free: 119.4 MB / 0.5138 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.005267/2.146, allocations: 2.03 MB / 0.8988 GB, free: 117.4 MB / 0.5138 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001032/2.148, allocations: 97.41 kB / 0.8989 GB, free: 117.3 MB / 0.5138 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01463/2.162, allocations: 15.03 MB / 0.9136 GB, free: 101.8 MB / 0.5138 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.758e-06/2.162, allocations: 19.88 kB / 0.9136 GB, free: 101.8 MB / 0.5138 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02537/2.188, allocations: 16.71 MB / 0.9299 GB, free: 85.02 MB / 0.5138 GB Notification: Performance of postOpt removeConstants (simulation): time 0.004249/2.192, allocations: 1.426 MB / 0.9313 GB, free: 83.56 MB / 0.5138 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001792/2.194, allocations: 83.98 kB / 0.9314 GB, free: 83.48 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0041/2.198, allocations: 335.5 kB / 0.9317 GB, free: 83.15 MB / 0.5138 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000948/2.199, allocations: 297.1 kB / 0.932 GB, free: 82.86 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000334/2.199, allocations: 124 kB / 0.9321 GB, free: 82.74 MB / 0.5138 GB Notification: Performance of sorting global known variables: time 0.006326/2.206, allocations: 4.056 MB / 0.9361 GB, free: 78.7 MB / 0.5138 GB Notification: Performance of sort global known variables: time 3.81e-07/2.206, allocations: 3.938 kB / 0.9361 GB, free: 78.69 MB / 0.5138 GB Notification: Performance of remove unused functions: time 0.01208/2.218, allocations: 2.11 MB / 0.9381 GB, free: 76.59 MB / 0.5138 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 48 * Number of states: 4 (gearConstraint.actuatedRevolute_b.phi,gearConstraint.actuatedRevolute_b.w,inertia1.phi,inertia1.w) * 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 (381): * Single equations (assignments): 368 * Array equations: 9 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 4 systems {(3,37,77.8%), (1,2,100.0%), (1,1,100.0%), (1,5,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0014/2.219, allocations: 249 kB / 0.9384 GB, free: 76.34 MB / 0.5138 GB Notification: Performance of simCode: created initialization part: time 0.01839/2.237, allocations: 12.71 MB / 0.9508 GB, free: 63.62 MB / 0.5138 GB Notification: Performance of simCode: created event and clocks part: time 1.367e-05/2.238, allocations: 4 kB / 0.9508 GB, free: 63.62 MB / 0.5138 GB Notification: Performance of simCode: created simulation system equations: time 0.006487/2.244, allocations: 5.115 MB / 0.9558 GB, free: 58.46 MB / 0.5138 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01406/2.258, allocations: 0.7629 MB / 0.9565 GB, free: 57.72 MB / 0.5138 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03814/2.296, allocations: 25.23 MB / 0.9812 GB, free: 32.32 MB / 0.5138 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.008938/2.305, allocations: 6.101 MB / 0.9871 GB, free: 26.18 MB / 0.5138 GB Notification: Performance of simCode: alias equations: time 0.01025/2.316, allocations: 4.102 MB / 0.9911 GB, free: 22.07 MB / 0.5138 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001989/2.318, allocations: 447.4 kB / 0.9916 GB, free: 21.64 MB / 0.5138 GB Notification: Performance of SimCode: time 1.783e-06/2.318, allocations: 0 / 0.9916 GB, free: 21.64 MB / 0.5138 GB Notification: Performance of Templates: time 0.4113/2.729, allocations: 73.61 MB / 1.063 GB, free: 137.3 MB / 0.5294 GB make -j1 -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.makefile (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.sim & ./ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.pipe 2>&1) diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Joints/GearConstraint/GearConstraint.csv","../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches