Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.Torque.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: "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.Torque,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Forces_Torque",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.Torque,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Forces_Torque",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 0.001423/0.001423, allocations: 104 kB / 17.63 MB, free: 5.523 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001723/0.001723, allocations: 192.1 kB / 18.56 MB, free: 4.605 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.457/1.457, allocations: 222.9 MB / 242.3 MB, free: 15.23 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2156/0.2156, allocations: 44.17 MB / 336.6 MB, free: 2.789 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001289/0.001289, allocations: 67.83 kB / 408.5 MB, free: 27.17 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1323/0.1336, allocations: 60.82 MB / 469.4 MB, free: 14.32 MB / 350.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.Torque): time 0.01582/0.1495, allocations: 15.74 MB / 485.1 MB, free: 14.51 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.01067/0.1602, allocations: 4.948 MB / 490 MB, free: 9.543 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002918/0.1632, allocations: 111.7 kB / 490.1 MB, free: 9.434 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.009597/0.1728, allocations: 5.027 MB / 495.2 MB, free: 4.391 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.006956/0.1798, allocations: 2.548 MB / 497.7 MB, free: 1.832 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003024/0.1829, allocations: 1.072 MB / 498.8 MB, free: 0.7578 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.01045/0.1933, allocations: 6.851 MB / 0.4938 GB, free: 9.895 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.008467/0.2019, allocations: 5.802 MB / 0.4995 GB, free: 4.02 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004817/0.2067, allocations: 2.414 MB / 0.5018 GB, free: 1.598 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.2731/0.4798, allocations: 3.245 MB / 0.505 GB, free: 18.92 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.003034/0.4829, allocations: 0.5071 MB / 0.5055 GB, free: 18.92 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.006309/0.4892, allocations: 1.406 MB / 0.5069 GB, free: 18.92 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.007039/0.4963, allocations: 3.05 MB / 0.5098 GB, free: 18.92 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.01261/0.509, allocations: 3.487 MB / 0.5132 GB, free: 17.94 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.02138/0.5304, allocations: 10.43 MB / 0.5234 GB, free: 16 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.863e-06/0.5304, allocations: 0 / 0.5234 GB, free: 16 MB / 382.1 MB Notification: Performance of FrontEnd: time 3.286e-06/0.5304, allocations: 1.156 kB / 0.5234 GB, free: 16 MB / 382.1 MB Notification: Performance of Transformations before backend: time 0.0004712/0.5309, allocations: 0.6875 kB / 0.5234 GB, free: 16 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2219 * Number of variables: 2219 Notification: Performance of Generate backend data structure: time 0.02638/0.5573, allocations: 7.696 MB / 0.5309 GB, free: 11.31 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.966e-05/0.5574, allocations: 9.469 kB / 0.5309 GB, free: 11.31 MB / 382.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004499/0.5619, allocations: 1.048 MB / 0.532 GB, free: 10.64 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04046/0.6024, allocations: 6.239 MB / 0.5381 GB, free: 7.574 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01031/0.6127, allocations: 4.842 MB / 0.5428 GB, free: 4.848 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00022/0.613, allocations: 362.6 kB / 0.5431 GB, free: 4.727 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00179/0.6148, allocations: 483.3 kB / 0.5436 GB, free: 4.605 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02947/0.6442, allocations: 14.51 MB / 0.5578 GB, free: 6.504 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002501/0.6445, allocations: 65.52 kB / 0.5578 GB, free: 6.469 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008456/0.6454, allocations: 233.4 kB / 0.558 GB, free: 6.289 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.005743/0.6511, allocations: 2.821 MB / 0.5608 GB, free: 3.508 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02905/0.6802, allocations: 12.1 MB / 0.5726 GB, free: 7.66 MB / 414.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.08169/0.762, allocations: 57.9 MB / 0.6292 GB, free: 13.05 MB / 478.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01696/0.779, allocations: 6.164 MB / 0.6352 GB, free: 6.734 MB / 478.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.005007/0.784, allocations: 3.579 MB / 0.6387 GB, free: 3.141 MB / 478.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01698/0.801, allocations: 8.332 MB / 0.6468 GB, free: 10.71 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.639e-05/0.8012, allocations: 56.22 kB / 0.6469 GB, free: 10.65 MB / 494.1 MB Notification: Performance of pre-optimization done (n=236): time 6.723e-06/0.8012, allocations: 0 / 0.6469 GB, free: 10.65 MB / 494.1 MB Notification: Performance of matching and sorting (n=278): time 0.08245/0.8836, allocations: 28.9 MB / 0.6751 GB, free: 13.56 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001315/0.8838, allocations: 243.6 kB / 0.6753 GB, free: 13.27 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01855/0.9024, allocations: 6.759 MB / 0.6819 GB, free: 6.516 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 0.001109/0.9035, allocations: 61.7 kB / 0.682 GB, free: 6.449 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.004645/0.9082, allocations: 4.551 MB / 0.6864 GB, free: 1.902 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.001976/0.9102, allocations: 1.06 MB / 0.6875 GB, free: 0.8516 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.005786/0.916, allocations: 1.728 MB / 0.6892 GB, free: 15.11 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 0.0001607/0.9162, allocations: 305.1 kB / 0.6894 GB, free: 14.81 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006272/0.9225, allocations: 3.374 MB / 0.6927 GB, free: 11.43 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01265/0.9352, allocations: 8.439 MB / 0.701 GB, free: 0.5547 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.3176/1.253, allocations: 12.81 MB / 0.7135 GB, free: 169.1 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001591/1.253, allocations: 51.38 kB / 0.7135 GB, free: 169.1 MB / 0.5294 GB Notification: Performance of matching and sorting (n=1108) (initialization): time 0.02893/1.282, allocations: 13.08 MB / 0.7263 GB, free: 164.6 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001145/1.282, allocations: 81.22 kB / 0.7264 GB, free: 164.6 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002271/1.282, allocations: 179 kB / 0.7266 GB, free: 164.6 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004244/1.287, allocations: 1.791 MB / 0.7283 GB, free: 164.2 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006554/1.293, allocations: 1.959 MB / 0.7302 GB, free: 164 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01368/1.307, allocations: 12.87 MB / 0.7428 GB, free: 156.3 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00842/1.315, allocations: 492.5 kB / 0.7433 GB, free: 156 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001913/1.317, allocations: 0.5103 MB / 0.7438 GB, free: 155.5 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 814 * Number of states: 0 () * Number of discrete variables: 67 (torque2.torqueArrow.arrowLine.twoHeadedArrow,torque2.torqueArrow.headAtOrigin,torque1.torqueArrow.arrowLine.twoHeadedArrow,torque1.torqueArrow.headAtOrigin,fixed4.color[3],fixed4.color[2],fixed4.color[1],fixed2.color[3],fixed2.color[2],fixed2.color[1],Revolute4.cylinderColor[3],Revolute4.cylinderColor[2],Revolute4.cylinderColor[1],Revolute3.cylinderColor[3],Revolute3.cylinderColor[2],Revolute3.cylinderColor[1],Revolute2.cylinderColor[3],Revolute2.cylinderColor[2],Revolute2.cylinderColor[1],torque2.connectionLineColor[3],torque2.connectionLineColor[2],torque2.connectionLineColor[1],torque2.torqueColor[3],torque2.torqueColor[2],torque2.torqueColor[1],torque1.connectionLineColor[3],torque1.connectionLineColor[2],torque1.connectionLineColor[1],torque1.torqueColor[3],torque1.torqueColor[2],torque1.torqueColor[1],fixedRotation.color[3],fixedRotation.color[2],fixedRotation.color[1],fixed3.color[3],fixed3.color[2],fixed3.color[1],body2.color[3],body2.color[2],body2.color[1],body2.body.sphereColor[3],body2.body.sphereColor[2],body2.body.sphereColor[1],fixed1.color[3],fixed1.color[2],fixed1.color[1],body1.color[3],body1.color[2],body1.color[1],body1.body.sphereColor[3],body1.body.sphereColor[2],body1.body.sphereColor[1],Revolute1.cylinderColor[3],Revolute1.cylinderColor[2],Revolute1.cylinderColor[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 (1026): * Single equations (assignments): 1019 * Array equations: 5 * 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): 2 systems {(2,23,100.0%), (2,23,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.007572/1.325, allocations: 3.048 MB / 0.7467 GB, free: 152.9 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001575/1.326, allocations: 0.5627 MB / 0.7473 GB, free: 152.6 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01045/1.337, allocations: 6.346 MB / 0.7535 GB, free: 147.5 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.733e-05/1.337, allocations: 30.19 kB / 0.7535 GB, free: 147.5 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.914e-05/1.337, allocations: 12 kB / 0.7535 GB, free: 147.5 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.822e-05/1.337, allocations: 11.62 kB / 0.7535 GB, free: 147.5 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02358/1.361, allocations: 14.28 MB / 0.7675 GB, free: 134.7 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.999e-05/1.361, allocations: 4 kB / 0.7675 GB, free: 134.7 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002132/1.363, allocations: 463.7 kB / 0.7679 GB, free: 134.2 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00368/1.367, allocations: 1.532 MB / 0.7694 GB, free: 132.7 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002818/1.367, allocations: 49.64 kB / 0.7695 GB, free: 132.6 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01242/1.379, allocations: 12.09 MB / 0.7813 GB, free: 120.4 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.491e-06/1.379, allocations: 7.125 kB / 0.7813 GB, free: 120.4 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01683/1.396, allocations: 10.31 MB / 0.7913 GB, free: 110.1 MB / 0.5294 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002926/1.399, allocations: 0.6342 MB / 0.792 GB, free: 109.4 MB / 0.5294 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001329/1.4, allocations: 51.98 kB / 0.792 GB, free: 109.4 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003472/1.404, allocations: 182.6 kB / 0.7922 GB, free: 109.2 MB / 0.5294 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005179/1.405, allocations: 170.4 kB / 0.7924 GB, free: 109 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001945/1.405, allocations: 76.47 kB / 0.7924 GB, free: 109 MB / 0.5294 GB Notification: Performance of sorting global known variables: time 0.007959/1.413, allocations: 4.342 MB / 0.7967 GB, free: 104.6 MB / 0.5294 GB Notification: Performance of sort global known variables: time 3.4e-07/1.413, allocations: 0 / 0.7967 GB, free: 104.6 MB / 0.5294 GB Notification: Performance of remove unused functions: time 0.01134/1.424, allocations: 1.55 MB / 0.7982 GB, free: 103.1 MB / 0.5294 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 20 * Number of states: 8 (Revolute1.phi,Revolute1.w,Revolute3.phi,Revolute3.w,Revolute2.phi,Revolute2.w,Revolute4.phi,Revolute4.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 (220): * Single equations (assignments): 215 * Array equations: 3 * 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): 2 systems {(4,18,75.0%), (4,18,75.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.01456/1.439, allocations: 10.98 MB / 0.8089 GB, free: 91.96 MB / 0.5294 GB Notification: Performance of simCode: created initialization part: time 0.01462/1.453, allocations: 9.87 MB / 0.8185 GB, free: 82.12 MB / 0.5294 GB Notification: Performance of simCode: created event and clocks part: time 1.594e-05/1.453, allocations: 4.062 kB / 0.8185 GB, free: 82.11 MB / 0.5294 GB Notification: Performance of simCode: created simulation system equations: time 0.005064/1.458, allocations: 3.236 MB / 0.8217 GB, free: 78.85 MB / 0.5294 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005786/1.464, allocations: 0.7758 MB / 0.8225 GB, free: 78.09 MB / 0.5294 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3632/1.827, allocations: 94.87 MB / 0.9151 GB, free: 187 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01034/1.838, allocations: 4.628 MB / 0.9196 GB, free: 186.1 MB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.007869/1.846, allocations: 2.79 MB / 0.9224 GB, free: 186 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.005424/1.851, allocations: 3.002 MB / 0.9253 GB, free: 184.4 MB / 0.545 GB Notification: Performance of SimCode: time 2.315e-06/1.851, allocations: 0 / 0.9253 GB, free: 184.4 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1842/2.036, allocations: 123.2 MB / 1.046 GB, free: 73.3 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.04/15.08, allocations: 3.859 kB / 1.046 GB, free: 73.3 MB / 0.545 GB (rm -f ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.Torque.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.Torque.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.Torque.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.Torque.sim & python3 -m fmpy simulate --output-file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.Torque_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_4_0_0_ModelicaTest_MultiBody_Forces_Torque.fmu > ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.Torque.pipe 2>&1) diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.Torque_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/MultiBody/Forces/Torque/Torque.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.Torque.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches