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: "" <> buildModelFMU(ModelicaTest.MultiBody.Frames.AngularVelocity,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_MultiBody_Frames_AngularVelocity",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Frames.AngularVelocity,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_MultiBody_Frames_AngularVelocity",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 0.001538/0.001538, allocations: 101.8 kB / 16.27 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001399/0.001399, allocations: 190.4 kB / 17.2 MB, free: 5.574 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.522/1.522, allocations: 205.1 MB / 223.1 MB, free: 12.3 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.2525/0.2525, allocations: 43.52 MB / 313.9 MB, free: 0.5234 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 0.001719/0.001719, allocations: 63.47 kB / 382.8 MB, free: 56.65 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.122/0.1237, allocations: 57.78 MB / 440.6 MB, free: 6.82 MB / 318.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Frames.AngularVelocity): time 0.01334/0.1371, allocations: 11.89 MB / 452.5 MB, free: 10.86 MB / 334.1 MB Notification: Performance of NFInst.instExpressions: time 0.01046/0.1476, allocations: 4.19 MB / 456.7 MB, free: 6.66 MB / 334.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00276/0.1504, allocations: 67.81 kB / 456.8 MB, free: 6.594 MB / 334.1 MB Notification: Performance of NFTyping.typeComponents: time 0.005997/0.1565, allocations: 2.846 MB / 459.6 MB, free: 3.738 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.00544/0.162, allocations: 1.871 MB / 461.5 MB, free: 1.859 MB / 334.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002094/0.1641, allocations: 0.7019 MB / 462.2 MB, free: 1.156 MB / 334.1 MB Notification: Performance of NFFlatten.flatten: time 0.006821/0.1709, allocations: 3.852 MB / 466 MB, free: 13.3 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.006445/0.1774, allocations: 3.887 MB / 469.9 MB, free: 9.344 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003711/0.1812, allocations: 1.585 MB / 471.5 MB, free: 7.754 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005011/0.1862, allocations: 2.122 MB / 473.6 MB, free: 5.625 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002304/0.1885, allocations: 356 kB / 474 MB, free: 5.277 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004688/0.1932, allocations: 1.213 MB / 475.2 MB, free: 4.062 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.004917/0.1982, allocations: 1.995 MB / 477.2 MB, free: 2.062 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.005301/0.2035, allocations: 2.319 MB / 479.5 MB, free: 15.73 MB / 366.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01007/0.2136, allocations: 7.122 MB / 486.6 MB, free: 8.586 MB / 366.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.236e-06/0.2137, allocations: 0 / 486.6 MB, free: 8.586 MB / 366.1 MB Notification: Performance of FrontEnd: time 2.976e-06/0.2137, allocations: 0 / 486.6 MB, free: 8.586 MB / 366.1 MB Notification: Performance of Transformations before backend: time 0.0002878/0.214, allocations: 0 / 486.6 MB, free: 8.586 MB / 366.1 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 0.01516/0.2292, allocations: 4.87 MB / 491.5 MB, free: 3.645 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.833e-05/0.2293, allocations: 11.89 kB / 491.5 MB, free: 3.633 MB / 366.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00245/0.2317, allocations: 0.7606 MB / 492.3 MB, free: 2.859 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008173/0.2399, allocations: 1.945 MB / 494.2 MB, free: 0.9062 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006514/0.2465, allocations: 2.708 MB / 496.9 MB, free: 14.14 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003154/0.2468, allocations: 262.5 kB / 497.2 MB, free: 13.88 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001919/0.2488, allocations: 423.7 kB / 497.6 MB, free: 13.46 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02259/0.2714, allocations: 10.42 MB / 0.4961 GB, free: 2.348 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002231/0.2717, allocations: 47.53 kB / 0.4961 GB, free: 2.301 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001421/0.2731, allocations: 155.9 kB / 0.4963 GB, free: 2.148 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003215/0.2763, allocations: 1.939 MB / 0.4982 GB, free: 208 kB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01937/0.2957, allocations: 8.651 MB / 0.5066 GB, free: 7.531 MB / 398.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.2782/0.574, allocations: 40.44 MB / 0.5461 GB, free: 59.43 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01067/0.5847, allocations: 3.82 MB / 0.5499 GB, free: 58.77 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002745/0.5875, allocations: 1.766 MB / 0.5516 GB, free: 58.74 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01493/0.6024, allocations: 8.229 MB / 0.5596 GB, free: 54.52 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.54e-05/0.6026, allocations: 53.58 kB / 0.5597 GB, free: 54.48 MB / 414.1 MB Notification: Performance of pre-optimization done (n=153): time 5.411e-06/0.6026, allocations: 2.344 kB / 0.5597 GB, free: 54.48 MB / 414.1 MB Notification: Performance of matching and sorting (n=160): time 0.02837/0.6309, allocations: 13.11 MB / 0.5725 GB, free: 48.18 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.001004/0.632, allocations: 1.702 MB / 0.5741 GB, free: 46.43 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004955/0.637, allocations: 3.998 MB / 0.578 GB, free: 43.75 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002995/0.6373, allocations: 49.45 kB / 0.5781 GB, free: 43.7 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.001378/0.6387, allocations: 3.209 MB / 0.5812 GB, free: 40.49 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0006147/0.6393, allocations: 0.6506 MB / 0.5818 GB, free: 39.85 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001216/0.6405, allocations: 1.229 MB / 0.583 GB, free: 38.61 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 3.9e-05/0.6406, allocations: 301.1 kB / 0.5833 GB, free: 38.31 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002369/0.6429, allocations: 2.186 MB / 0.5855 GB, free: 36.12 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003815/0.6468, allocations: 5.933 MB / 0.5913 GB, free: 28.37 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.006911/0.6537, allocations: 8.703 MB / 0.5998 GB, free: 17.89 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.247e-05/0.6538, allocations: 43.98 kB / 0.5998 GB, free: 17.85 MB / 414.1 MB Notification: Performance of matching and sorting (n=788) (initialization): time 0.01829/0.6721, allocations: 9.282 MB / 0.6089 GB, free: 8.551 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 7.306e-05/0.6722, allocations: 63.94 kB / 0.6089 GB, free: 8.488 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.009383/0.6816, allocations: 3.555 MB / 0.6124 GB, free: 4.922 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.008564/0.6902, allocations: 1.861 MB / 0.6142 GB, free: 3.047 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004133/0.6944, allocations: 1.4 MB / 0.6156 GB, free: 1.645 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008065/0.7025, allocations: 6.126 MB / 0.6216 GB, free: 11.24 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005568/0.7081, allocations: 415.3 kB / 0.622 GB, free: 10.83 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001243/0.7093, allocations: 379.8 kB / 0.6223 GB, free: 10.46 MB / 430.1 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 (750): * Single equations (assignments): 741 * 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 0.00433/0.7137, allocations: 2.127 MB / 0.6244 GB, free: 8.332 MB / 430.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009023/0.7146, allocations: 335.6 kB / 0.6247 GB, free: 8 MB / 430.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006365/0.721, allocations: 3.17 MB / 0.6278 GB, free: 4.812 MB / 430.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.005052/0.7261, allocations: 2.695 MB / 0.6305 GB, free: 2.098 MB / 430.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.384e-05/0.7261, allocations: 0 / 0.6305 GB, free: 2.098 MB / 430.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.835e-05/0.7261, allocations: 11.97 kB / 0.6305 GB, free: 2.086 MB / 430.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0172/0.7433, allocations: 9.178 MB / 0.6394 GB, free: 8.848 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.39e-05/0.7434, allocations: 3.938 kB / 0.6394 GB, free: 8.844 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00133/0.7447, allocations: 267.6 kB / 0.6397 GB, free: 8.582 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002976/0.7477, allocations: 1.033 MB / 0.6407 GB, free: 7.535 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001633/0.7479, allocations: 39.97 kB / 0.6407 GB, free: 7.496 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00592/0.7538, allocations: 5.331 MB / 0.6459 GB, free: 1.898 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.001004/0.7549, allocations: 1.575 MB / 0.6475 GB, free: 176 kB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008607/0.7635, allocations: 5.563 MB / 0.6529 GB, free: 10.56 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001064/0.7646, allocations: 400.6 kB / 0.6533 GB, free: 10.15 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004916/0.7651, allocations: 35.98 kB / 0.6533 GB, free: 10.11 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001573/0.7667, allocations: 148.5 kB / 0.6535 GB, free: 9.969 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002856/0.767, allocations: 96.8 kB / 0.6536 GB, free: 9.871 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001157/0.7671, allocations: 47.98 kB / 0.6536 GB, free: 9.824 MB / 462.1 MB Notification: Performance of sorting global known variables: time 0.003751/0.7708, allocations: 2.477 MB / 0.656 GB, free: 7.367 MB / 462.1 MB Notification: Performance of sort global known variables: time 3.81e-07/0.7709, allocations: 3.938 kB / 0.656 GB, free: 7.363 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.006755/0.7776, allocations: 1.088 MB / 0.6571 GB, free: 6.281 MB / 462.1 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 0.01005/0.7877, allocations: 6.222 MB / 0.6632 GB, free: 20 kB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.01282/0.8006, allocations: 6.552 MB / 0.6696 GB, free: 9.441 MB / 478.1 MB Notification: Performance of simCode: created event and clocks part: time 1.541e-05/0.8006, allocations: 8.188 kB / 0.6696 GB, free: 9.434 MB / 478.1 MB Notification: Performance of simCode: created simulation system equations: time 0.004381/0.805, allocations: 2.248 MB / 0.6718 GB, free: 7.117 MB / 478.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003071/0.8081, allocations: 454.6 kB / 0.6722 GB, free: 6.684 MB / 478.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3268/1.135, allocations: 53.85 MB / 0.7248 GB, free: 180.3 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003739/1.139, allocations: 3.295 MB / 0.728 GB, free: 179.5 MB / 0.5137 GB Notification: Performance of simCode: alias equations: time 0.004657/1.143, allocations: 1.898 MB / 0.7299 GB, free: 179.5 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002334/1.146, allocations: 1.894 MB / 0.7317 GB, free: 179.4 MB / 0.5137 GB Notification: Performance of SimCode: time 1.042e-06/1.146, allocations: 0 / 0.7317 GB, free: 179.4 MB / 0.5137 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.122/1.268, allocations: 74.33 MB / 0.8043 GB, free: 117 MB / 0.5137 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.75/15.02, allocations: 7.844 kB / 0.8043 GB, free: 117 MB / 0.5137 GB (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 & python3 -m fmpy simulate --output-file ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity_res.csv --start-time 0 --stop-time 1.1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.00044 ModelicaTest_3_2_3_ModelicaTest_MultiBody_Frames_AngularVelocity.fmu > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.pipe 2>&1) diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Frames/AngularVelocity/AngularVelocity.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Frames.AngularVelocity.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches