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 0.00112/0.001121, allocations: 116.4 kB / 17.09 MB, free: 5.988 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00139/0.00139, allocations: 197.2 kB / 18.01 MB, free: 5.07 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.353/1.353, allocations: 205.1 MB / 223.9 MB, free: 12.24 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.2169/0.2169, allocations: 43.52 MB / 314.8 MB, free: 456 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 0.001625/0.001625, allocations: 65.47 kB / 442.5 MB, free: 5.633 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1405/0.1422, allocations: 57.79 MB / 0.4886 GB, free: 11.77 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Joints.GearConstraint): time 0.01966/0.1619, allocations: 19.4 MB / 0.5075 GB, free: 8.293 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.01083/0.1727, allocations: 5.42 MB / 0.5128 GB, free: 2.855 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003101/0.1759, allocations: 123.6 kB / 0.5129 GB, free: 2.734 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.009075/0.185, allocations: 4.812 MB / 0.5176 GB, free: 13.91 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008469/0.1935, allocations: 3.182 MB / 0.5207 GB, free: 10.71 MB / 414.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00254/0.1961, allocations: 0.9087 MB / 0.5216 GB, free: 9.801 MB / 414.1 MB Notification: Performance of NFFlatten.flatten: time 0.01135/0.2075, allocations: 8.215 MB / 0.5296 GB, free: 1.562 MB / 414.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.2252/0.4327, allocations: 6.518 MB / 0.536 GB, free: 5.746 MB / 414.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.006119/0.4389, allocations: 3.013 MB / 0.5389 GB, free: 5.555 MB / 414.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.007736/0.4467, allocations: 4.107 MB / 0.5429 GB, free: 5.098 MB / 414.1 MB Notification: Performance of NFPackage.collectConstants: time 0.003365/0.4501, allocations: 0.6451 MB / 0.5436 GB, free: 5.098 MB / 414.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005895/0.456, allocations: 1.47 MB / 0.545 GB, free: 5.098 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.006456/0.4625, allocations: 3.803 MB / 0.5487 GB, free: 4.703 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.009318/0.4718, allocations: 4.402 MB / 0.553 GB, free: 3.133 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.02294/0.4948, allocations: 14.03 MB / 0.5667 GB, free: 13.44 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 7.825e-06/0.4949, allocations: 1.875 kB / 0.5667 GB, free: 13.44 MB / 430.1 MB Notification: Performance of FrontEnd: time 1.823e-06/0.4949, allocations: 0 / 0.5667 GB, free: 13.44 MB / 430.1 MB Notification: Performance of Transformations before backend: time 0.0005981/0.4955, allocations: 4 kB / 0.5667 GB, free: 13.44 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: 3112 * Number of variables: 3112 Notification: Performance of Generate backend data structure: time 0.02492/0.5204, allocations: 9.033 MB / 0.5755 GB, free: 7.445 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.014e-05/0.5205, allocations: 18.42 kB / 0.5756 GB, free: 7.438 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02302/0.5435, allocations: 5.462 MB / 0.5809 GB, free: 4.621 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01672/0.5603, allocations: 5.148 MB / 0.5859 GB, free: 240 kB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006141/0.5609, allocations: 456.8 kB / 0.5864 GB, free: 15.87 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003588/0.5645, allocations: 0.5895 MB / 0.5869 GB, free: 15.37 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04789/0.6125, allocations: 20.54 MB / 0.607 GB, free: 10.13 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.000483/0.613, allocations: 76.42 kB / 0.6071 GB, free: 10.09 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003201/0.6162, allocations: 278.7 kB / 0.6073 GB, free: 9.891 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.008143/0.6244, allocations: 4.35 MB / 0.6116 GB, free: 5.594 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03837/0.6628, allocations: 18.25 MB / 0.6294 GB, free: 3.617 MB / 478.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.109/0.7719, allocations: 75.15 MB / 0.7028 GB, free: 7.469 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01821/0.7902, allocations: 8.186 MB / 0.7108 GB, free: 15.06 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00742/0.7976, allocations: 5.351 MB / 0.716 GB, free: 9.691 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003497/0.798, allocations: 70.52 kB / 0.7161 GB, free: 9.641 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.813e-05/0.7981, allocations: 69.25 kB / 0.7161 GB, free: 9.562 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=450): time 7.574e-06/0.7981, allocations: 0 / 0.7161 GB, free: 9.562 MB / 0.5606 GB Notification: Performance of matching and sorting (n=497): time 0.4029/1.201, allocations: 42.94 MB / 0.7581 GB, free: 197.1 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001127/1.201, allocations: 226 kB / 0.7583 GB, free: 196.9 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01345/1.215, allocations: 6.522 MB / 0.7647 GB, free: 196.4 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.001102/1.216, allocations: 92.14 kB / 0.7648 GB, free: 196.4 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.004433/1.22, allocations: 5.641 MB / 0.7703 GB, free: 193.1 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.002801/1.223, allocations: 1.809 MB / 0.772 GB, free: 191.7 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.006059/1.229, allocations: 2.307 MB / 0.7743 GB, free: 190.7 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 6.448e-05/1.229, allocations: 309.3 kB / 0.7746 GB, free: 190.4 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01004/1.239, allocations: 5.199 MB / 0.7797 GB, free: 188.6 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01384/1.253, allocations: 11.39 MB / 0.7908 GB, free: 178.7 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02156/1.275, allocations: 17.94 MB / 0.8083 GB, free: 165.3 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0003478/1.275, allocations: 61.97 kB / 0.8084 GB, free: 165.3 MB / 0.5919 GB Notification: Performance of matching and sorting (n=1524) (initialization): time 0.03698/1.312, allocations: 18.33 MB / 0.8263 GB, free: 157.7 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 0.000556/1.313, allocations: 101 kB / 0.8264 GB, free: 157.6 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0007341/1.314, allocations: 212 kB / 0.8266 GB, free: 157.4 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.007134/1.321, allocations: 2.358 MB / 0.8289 GB, free: 155.7 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009512/1.33, allocations: 2.648 MB / 0.8314 GB, free: 153.4 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01744/1.348, allocations: 17.43 MB / 0.8485 GB, free: 137.2 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01037/1.358, allocations: 0.6788 MB / 0.8491 GB, free: 136.5 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00254/1.361, allocations: 0.6393 MB / 0.8497 GB, free: 135.9 MB / 0.5919 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 0.009712/1.37, allocations: 4.196 MB / 0.8538 GB, free: 131.7 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002188/1.373, allocations: 0.6092 MB / 0.8544 GB, free: 131 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01947/1.392, allocations: 10.58 MB / 0.8648 GB, free: 120.4 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0001085/1.392, allocations: 96.58 kB / 0.8649 GB, free: 120.3 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.391e-05/1.392, allocations: 8 kB / 0.8649 GB, free: 120.3 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.187e-05/1.392, allocations: 27.86 kB / 0.8649 GB, free: 120.3 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04345/1.436, allocations: 22.56 MB / 0.8869 GB, free: 97.59 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.199e-05/1.436, allocations: 13 kB / 0.8869 GB, free: 97.57 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004099/1.44, allocations: 0.7839 MB / 0.8877 GB, free: 96.79 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.006496/1.447, allocations: 2.034 MB / 0.8897 GB, free: 94.74 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00152/1.448, allocations: 87.98 kB / 0.8898 GB, free: 94.66 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02692/1.475, allocations: 16.21 MB / 0.9056 GB, free: 77.9 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.676e-05/1.475, allocations: 15.94 kB / 0.9056 GB, free: 77.89 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.04047/1.516, allocations: 16.69 MB / 0.9219 GB, free: 60.97 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.006858/1.523, allocations: 1.422 MB / 0.9233 GB, free: 59.52 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003407/1.526, allocations: 83.98 kB / 0.9234 GB, free: 59.44 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007188/1.533, allocations: 321.8 kB / 0.9237 GB, free: 59.12 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.002201/1.536, allocations: 298.1 kB / 0.924 GB, free: 58.83 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001367/1.537, allocations: 135.8 kB / 0.9241 GB, free: 58.7 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.01129/1.548, allocations: 4.06 MB / 0.9281 GB, free: 54.65 MB / 0.5919 GB Notification: Performance of sort global known variables: time 1.212e-06/1.548, allocations: 0 / 0.9281 GB, free: 54.65 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.01971/1.568, allocations: 2.1 MB / 0.9301 GB, free: 52.55 MB / 0.5919 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 0.001861/1.57, allocations: 241.3 kB / 0.9304 GB, free: 52.32 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.02841/1.598, allocations: 12.76 MB / 0.9428 GB, free: 39.55 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 1.653e-05/1.598, allocations: 4 kB / 0.9428 GB, free: 39.55 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.00944/1.608, allocations: 5.109 MB / 0.9478 GB, free: 34.39 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.009091/1.617, allocations: 0.7881 MB / 0.9486 GB, free: 33.62 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05708/1.674, allocations: 21.59 MB / 0.9697 GB, free: 11.86 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01729/1.692, allocations: 6.071 MB / 0.9756 GB, free: 5.742 MB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004474/1.696, allocations: 0.5306 MB / 0.9761 GB, free: 5.211 MB / 0.5919 GB Notification: Performance of SimCode: time 2.064e-06/1.696, allocations: 0 / 0.9761 GB, free: 5.211 MB / 0.5919 GB Notification: Performance of Templates: time 0.9893/2.685, allocations: 275.1 MB / 1.245 GB, free: 195.6 MB / 0.6231 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/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Joints/GearConstraint/GearConstraint.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Joints.GearConstraint.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches