Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.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: translateModel(ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|revolute1.phi|revolute1.w|revolute2.phi|revolute2.w",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2") translateModel(ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|revolute1.phi|revolute1.w|revolute2.phi|revolute2.w",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001536/0.001536, allocations: 105.3 kB / 18.45 MB, free: 4.629 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001796/0.001796, allocations: 189.2 kB / 19.38 MB, free: 3.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.379/1.379, allocations: 222.9 MB / 243.1 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2144/0.2144, allocations: 44.18 MB / 337.4 MB, free: 2.703 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001403/0.001403, allocations: 63.91 kB / 471.2 MB, free: 13.18 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3296/0.331, allocations: 60.83 MB / 0.5196 GB, free: 3.613 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2): time 0.01878/0.3498, allocations: 17.3 MB / 0.5365 GB, free: 6.922 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.01301/0.3629, allocations: 5.471 MB / 0.5418 GB, free: 2.602 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003535/0.3665, allocations: 126.4 kB / 0.5419 GB, free: 2.57 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.008804/0.3753, allocations: 4.355 MB / 0.5462 GB, free: 15.63 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.00803/0.3834, allocations: 2.74 MB / 0.5489 GB, free: 13.64 MB / 414.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00375/0.3872, allocations: 1.467 MB / 0.5503 GB, free: 12.56 MB / 414.1 MB Notification: Performance of NFFlatten.flatten: time 0.01248/0.3997, allocations: 8.453 MB / 0.5586 GB, free: 4.09 MB / 414.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.007934/0.4077, allocations: 5.369 MB / 0.5638 GB, free: 14.64 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005632/0.4134, allocations: 2.663 MB / 0.5664 GB, free: 11.97 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.006184/0.4196, allocations: 3.832 MB / 0.5701 GB, free: 8.125 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002292/0.4219, allocations: 0.5312 MB / 0.5707 GB, free: 7.594 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004406/0.4263, allocations: 1.635 MB / 0.5723 GB, free: 5.957 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.004911/0.4313, allocations: 3.374 MB / 0.5756 GB, free: 2.574 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.007524/0.4389, allocations: 3.655 MB / 0.5791 GB, free: 14.89 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01531/0.4542, allocations: 11.2 MB / 0.5901 GB, free: 3.664 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.432e-06/0.4543, allocations: 0 / 0.5901 GB, free: 3.664 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.883e-06/0.4543, allocations: 0 / 0.5901 GB, free: 3.664 MB / 446.1 MB Notification: Performance of Transformations before backend: time 0.00037/0.4546, allocations: 0 / 0.5901 GB, free: 3.664 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: 2297 * Number of variables: 2297 Notification: Performance of Generate backend data structure: time 0.02176/0.4764, allocations: 8.198 MB / 0.5981 GB, free: 11.38 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.91e-05/0.4765, allocations: 8.031 kB / 0.5981 GB, free: 11.37 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.03101/0.5075, allocations: 3.681 MB / 0.6017 GB, free: 7.672 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01448/0.522, allocations: 5.391 MB / 0.6069 GB, free: 2.199 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003788/0.5225, allocations: 369.8 kB / 0.6073 GB, free: 1.836 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00233/0.5248, allocations: 0.5153 MB / 0.6078 GB, free: 1.32 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0352/0.56, allocations: 16.23 MB / 0.6236 GB, free: 24 kB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003562/0.5604, allocations: 79.34 kB / 0.6237 GB, free: 15.94 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001609/0.562, allocations: 235.8 kB / 0.6239 GB, free: 15.71 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00501/0.5671, allocations: 2.926 MB / 0.6268 GB, free: 12.78 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02906/0.5962, allocations: 13.68 MB / 0.6402 GB, free: 15.07 MB / 0.4981 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.09107/0.6873, allocations: 64.45 MB / 0.7031 GB, free: 12.74 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02347/0.7108, allocations: 7.834 MB / 0.7108 GB, free: 4.762 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006585/0.7174, allocations: 4.271 MB / 0.7149 GB, free: 480 kB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.3124/1.03, allocations: 19.28 MB / 0.7337 GB, free: 160 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.147e-05/1.03, allocations: 74.66 kB / 0.7338 GB, free: 159.9 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=284): time 6.532e-06/1.03, allocations: 0 / 0.7338 GB, free: 159.9 MB / 0.5606 GB Notification: Performance of matching and sorting (n=366): time 0.1684/1.198, allocations: 51.86 MB / 0.7845 GB, free: 119.3 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.459e-05/1.199, allocations: 265.8 kB / 0.7847 GB, free: 119 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008392/1.207, allocations: 6.051 MB / 0.7906 GB, free: 112.9 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.000861/1.208, allocations: 85.7 kB / 0.7907 GB, free: 112.8 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.002488/1.21, allocations: 4.675 MB / 0.7953 GB, free: 108.1 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.00162/1.212, allocations: 1.348 MB / 0.7966 GB, free: 106.8 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003017/1.215, allocations: 1.904 MB / 0.7984 GB, free: 104.9 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 4.559e-05/1.215, allocations: 301.1 kB / 0.7987 GB, free: 104.6 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005208/1.22, allocations: 4.2 MB / 0.8028 GB, free: 100.4 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007756/1.228, allocations: 9.425 MB / 0.812 GB, free: 88.42 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01374/1.242, allocations: 14.57 MB / 0.8263 GB, free: 71.29 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.000133/1.242, allocations: 56 kB / 0.8263 GB, free: 71.23 MB / 0.5606 GB Notification: Performance of matching and sorting (n=1250) (initialization): time 0.03418/1.276, allocations: 17.55 MB / 0.8435 GB, free: 53.64 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001115/1.276, allocations: 84 kB / 0.8435 GB, free: 53.56 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001965/1.277, allocations: 180 kB / 0.8437 GB, free: 53.39 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01383/1.29, allocations: 4.582 MB / 0.8482 GB, free: 48.8 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007268/1.298, allocations: 2.121 MB / 0.8503 GB, free: 46.68 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03194/1.33, allocations: 25.42 MB / 0.8751 GB, free: 20.97 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008518/1.338, allocations: 0.5304 MB / 0.8756 GB, free: 20.45 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002074/1.34, allocations: 0.5312 MB / 0.8761 GB, free: 19.91 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 825 * Number of states: 0 () * Number of discrete variables: 66 (lineForceWithTwoMasses.massColor[3],lineForceWithTwoMasses.massColor[2],lineForceWithTwoMasses.massColor[1],lineForceWithTwoMasses.color_b[3],lineForceWithTwoMasses.color_b[2],lineForceWithTwoMasses.color_b[1],lineForceWithTwoMasses.color_a[3],lineForceWithTwoMasses.color_a[2],lineForceWithTwoMasses.color_a[1],rod4.color[3],rod4.color[2],rod4.color[1],rod3.color[3],rod3.color[2],rod3.color[1],bodyBox2.color[3],bodyBox2.color[2],bodyBox2.color[1],bodyBox2.body.sphereColor[3],bodyBox2.body.sphereColor[2],bodyBox2.body.sphereColor[1],revolute2.cylinderColor[3],revolute2.cylinderColor[2],revolute2.cylinderColor[1],rod2.color[3],rod2.color[2],rod2.color[1],body2.sphereColor[3],body2.sphereColor[2],body2.sphereColor[1],body1.sphereColor[3],body1.sphereColor[2],body1.sphereColor[1],jointUPS.cylinderColor[3],jointUPS.cylinderColor[2],jointUPS.cylinderColor[1],jointUPS.sphereColor[3],jointUPS.sphereColor[2],jointUPS.sphereColor[1],jointUPS.axisColor[3],jointUPS.axisColor[2],jointUPS.axisColor[1],rod1.color[3],rod1.color[2],rod1.color[1],bodyBox1.color[3],bodyBox1.color[2],bodyBox1.color[1],bodyBox1.body.sphereColor[3],bodyBox1.body.sphereColor[2],bodyBox1.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 (1130): * Single equations (assignments): 1125 * 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 {(1,45,100.0%), (2,50,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.006804/1.347, allocations: 3.121 MB / 0.8792 GB, free: 16.78 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001804/1.349, allocations: 0.5592 MB / 0.8797 GB, free: 16.21 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02375/1.373, allocations: 10.71 MB / 0.8902 GB, free: 5.441 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.783e-05/1.373, allocations: 40 kB / 0.8902 GB, free: 5.402 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.401e-05/1.373, allocations: 16 kB / 0.8902 GB, free: 5.387 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.395e-05/1.373, allocations: 19.94 kB / 0.8902 GB, free: 5.367 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04987/1.423, allocations: 20.31 MB / 0.9101 GB, free: 1.027 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.281e-05/1.423, allocations: 4 kB / 0.9101 GB, free: 1.023 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003316/1.426, allocations: 0.5304 MB / 0.9106 GB, free: 0.4922 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01504/1.441, allocations: 4.238 MB / 0.9147 GB, free: 12.24 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009456/1.442, allocations: 63.98 kB / 0.9148 GB, free: 12.18 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0365/1.479, allocations: 23.13 MB / 0.9374 GB, free: 4.781 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.775e-06/1.479, allocations: 0 / 0.9374 GB, free: 4.781 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.3415/1.82, allocations: 15.57 MB / 0.9526 GB, free: 191.9 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002351/1.823, allocations: 0.5893 MB / 0.9532 GB, free: 191.8 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002561/1.826, allocations: 53.5 kB / 0.9532 GB, free: 191.7 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004564/1.83, allocations: 227.8 kB / 0.9534 GB, free: 191.7 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001469/1.832, allocations: 234.7 kB / 0.9537 GB, free: 191.6 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0008106/1.832, allocations: 93.94 kB / 0.9537 GB, free: 191.6 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.008371/1.841, allocations: 3.779 MB / 0.9574 GB, free: 190.4 MB / 0.6075 GB Notification: Performance of sort global known variables: time 4.11e-07/1.841, allocations: 0.9688 kB / 0.9574 GB, free: 190.4 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.01/1.851, allocations: 1.918 MB / 0.9593 GB, free: 190.2 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 4 (revolute1.phi,revolute1.w,revolute2.phi,revolute2.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 (266): * Single equations (assignments): 261 * 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 {(2,43,100.0%), (1,36,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001196/1.852, allocations: 220.4 kB / 0.9595 GB, free: 190 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.01651/1.869, allocations: 10.46 MB / 0.9697 GB, free: 186.2 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 7.514e-06/1.869, allocations: 0 / 0.9697 GB, free: 186.2 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.006229/1.875, allocations: 4.071 MB / 0.9737 GB, free: 184.5 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006337/1.881, allocations: 0.7764 MB / 0.9745 GB, free: 184.1 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02837/1.91, allocations: 16.78 MB / 0.9908 GB, free: 174.3 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005428/1.915, allocations: 4.821 MB / 0.9956 GB, free: 170.6 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001768/1.917, allocations: 447.4 kB / 0.996 GB, free: 170.2 MB / 0.6075 GB Notification: Performance of SimCode: time 1.011e-06/1.917, allocations: 0 / 0.996 GB, free: 170.2 MB / 0.6075 GB Notification: Performance of Templates: time 0.1699/2.087, allocations: 154.9 MB / 1.147 GB, free: 16.11 MB / 0.6075 GB make -j1 -f ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.makefile (rm -f ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.sim & ./ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2 -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.pipe 2>&1) diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/MultiBody/Forces/ForceWithTwoMasses2/ForceWithTwoMasses2.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches