Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo", uses=false) Using package ModelicaTest with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo) Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2,fileNamePrefix="ModelicaTest_trunk_ModelicaTest_MultiBody_Forces_ForceWithTwoMasses2",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2,fileNamePrefix="ModelicaTest_trunk_ModelicaTest_MultiBody_Forces_ForceWithTwoMasses2",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001626/0.001626, allocations: 103.8 kB / 17.63 MB, free: 5.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.002035/0.002035, allocations: 210.4 kB / 18.58 MB, free: 4.535 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.424/1.424, allocations: 227.4 MB / 246.8 MB, free: 10.56 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo): time 0.226/0.226, allocations: 46.1 MB / 344.1 MB, free: 11.57 MB / 286.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001756/0.001756, allocations: 74.61 kB / 417.7 MB, free: 19.63 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1117/0.1134, allocations: 62.45 MB / 480.1 MB, free: 5.16 MB / 350.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2): time 0.01718/0.1307, allocations: 17.25 MB / 497.4 MB, free: 3.84 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.01239/0.1431, allocations: 5.486 MB / 0.4911 GB, free: 14.34 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002933/0.1461, allocations: 119.6 kB / 0.4912 GB, free: 14.22 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00955/0.1557, allocations: 4.353 MB / 0.4954 GB, free: 9.852 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008485/0.1642, allocations: 2.7 MB / 0.4981 GB, free: 7.141 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003225/0.1675, allocations: 1.462 MB / 0.4995 GB, free: 5.676 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.2132/0.3807, allocations: 8.621 MB / 0.5079 GB, free: 13.56 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.008391/0.3891, allocations: 5.373 MB / 0.5132 GB, free: 12.93 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00518/0.3944, allocations: 2.657 MB / 0.5158 GB, free: 12.75 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.007295/0.4017, allocations: 3.817 MB / 0.5195 GB, free: 12.38 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002951/0.4047, allocations: 0.5337 MB / 0.52 GB, free: 12.38 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005227/0.4099, allocations: 1.606 MB / 0.5216 GB, free: 12.38 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.005533/0.4155, allocations: 3.282 MB / 0.5248 GB, free: 11.78 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.009789/0.4253, allocations: 3.771 MB / 0.5285 GB, free: 9.223 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0126/0.438, allocations: 11.14 MB / 0.5393 GB, free: 3.152 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.642e-06/0.438, allocations: 0 / 0.5393 GB, free: 3.152 MB / 382.1 MB Notification: Performance of FrontEnd: time 1.633e-06/0.438, allocations: 0 / 0.5393 GB, free: 3.152 MB / 382.1 MB Notification: Performance of Transformations before backend: time 0.0003237/0.4384, allocations: 0 / 0.5393 GB, free: 3.152 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: 2297 * Number of variables: 2297 Notification: Performance of Generate backend data structure: time 0.0231/0.4615, allocations: 8.471 MB / 0.5476 GB, free: 13.12 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.271e-05/0.4616, allocations: 12.03 kB / 0.5476 GB, free: 13.11 MB / 398.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003873/0.4654, allocations: 1.079 MB / 0.5487 GB, free: 12.07 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.1836/0.6491, allocations: 12.9 MB / 0.5613 GB, free: 15.15 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01595/0.6651, allocations: 6.053 MB / 0.5672 GB, free: 9.309 MB / 414.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005526/0.6657, allocations: 368.6 kB / 0.5676 GB, free: 9 MB / 414.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002855/0.6686, allocations: 0.5186 MB / 0.5681 GB, free: 8.539 MB / 414.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03545/0.704, allocations: 16.11 MB / 0.5838 GB, free: 7.656 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003475/0.7044, allocations: 80.86 kB / 0.5839 GB, free: 7.605 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001803/0.7063, allocations: 240.1 kB / 0.5841 GB, free: 7.426 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004998/0.7113, allocations: 2.915 MB / 0.5869 GB, free: 4.555 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02828/0.7396, allocations: 13.43 MB / 0.6001 GB, free: 7.379 MB / 446.1 MB 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 0.0812/0.8208, allocations: 64.09 MB / 0.6627 GB, free: 6.242 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02351/0.8444, allocations: 7.726 MB / 0.6702 GB, free: 14.38 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005662/0.8501, allocations: 4.078 MB / 0.6742 GB, free: 10.29 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.02756/0.8777, allocations: 18.71 MB / 0.6925 GB, free: 7.043 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.349e-05/0.8777, allocations: 60.56 kB / 0.6925 GB, free: 6.973 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=281): time 5.039e-06/0.8778, allocations: 3.375 kB / 0.6925 GB, free: 6.973 MB / 0.5294 GB Notification: Performance of matching and sorting (n=362): time 0.3851/1.263, allocations: 46.47 MB / 0.7379 GB, free: 184.4 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001066/1.263, allocations: 270 kB / 0.7382 GB, free: 184.2 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008864/1.272, allocations: 6.075 MB / 0.7441 GB, free: 182 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0008037/1.273, allocations: 85.73 kB / 0.7442 GB, free: 181.9 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.002602/1.275, allocations: 4.749 MB / 0.7488 GB, free: 178.3 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.001518/1.277, allocations: 1.326 MB / 0.7501 GB, free: 177.3 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002368/1.279, allocations: 1.812 MB / 0.7519 GB, free: 176.4 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 4.758e-05/1.279, allocations: 301.1 kB / 0.7522 GB, free: 176.1 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004784/1.284, allocations: 3.89 MB / 0.756 GB, free: 174.8 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007245/1.291, allocations: 9.131 MB / 0.7649 GB, free: 166.5 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01357/1.305, allocations: 14.06 MB / 0.7786 GB, free: 152.6 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001492/1.305, allocations: 52 kB / 0.7787 GB, free: 152.6 MB / 0.545 GB Notification: Performance of matching and sorting (n=1200) (initialization): time 0.03345/1.339, allocations: 16.35 MB / 0.7946 GB, free: 136.3 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001201/1.339, allocations: 84 kB / 0.7947 GB, free: 136.2 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001753/1.339, allocations: 184 kB / 0.7949 GB, free: 136 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01254/1.352, allocations: 4.108 MB / 0.7989 GB, free: 131.9 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006606/1.358, allocations: 2.055 MB / 0.8009 GB, free: 129.9 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02792/1.386, allocations: 23.53 MB / 0.8239 GB, free: 106.1 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007444/1.394, allocations: 0.5047 MB / 0.8244 GB, free: 105.6 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001573/1.395, allocations: 0.5273 MB / 0.8249 GB, free: 105 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 831 * 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 (1080): * Single equations (assignments): 1075 * 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 {(2,44,100.0%), (5,47,64.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.005209/1.4, allocations: 3.125 MB / 0.8279 GB, free: 101.9 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001245/1.402, allocations: 0.5708 MB / 0.8285 GB, free: 101.3 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01887/1.421, allocations: 9.777 MB / 0.838 GB, free: 91.5 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.145e-05/1.421, allocations: 45.97 kB / 0.8381 GB, free: 91.46 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.441e-05/1.421, allocations: 16 kB / 0.8381 GB, free: 91.44 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.65e-05/1.421, allocations: 19.94 kB / 0.8381 GB, free: 91.42 MB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03989/1.461, allocations: 19.45 MB / 0.8571 GB, free: 71.87 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.693e-05/1.461, allocations: 0.5 kB / 0.8571 GB, free: 71.87 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002924/1.464, allocations: 0.5266 MB / 0.8576 GB, free: 71.34 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01204/1.476, allocations: 3.695 MB / 0.8612 GB, free: 67.64 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007375/1.477, allocations: 63.94 kB / 0.8613 GB, free: 67.58 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02578/1.502, allocations: 21.4 MB / 0.8822 GB, free: 45.9 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.447e-06/1.502, allocations: 4 kB / 0.8822 GB, free: 45.9 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02511/1.528, allocations: 14.38 MB / 0.8962 GB, free: 31.43 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002199/1.53, allocations: 0.5795 MB / 0.8968 GB, free: 30.82 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002669/1.532, allocations: 60 kB / 0.8969 GB, free: 30.77 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004713/1.537, allocations: 207.7 kB / 0.8971 GB, free: 30.56 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001287/1.539, allocations: 222.1 kB / 0.8973 GB, free: 30.34 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003488/1.539, allocations: 90.72 kB / 0.8974 GB, free: 30.26 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.00574/1.545, allocations: 3.803 MB / 0.9011 GB, free: 26.46 MB / 0.545 GB Notification: Performance of sort global known variables: time 2.6e-07/1.545, allocations: 0 / 0.9011 GB, free: 26.46 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.008253/1.553, allocations: 1.814 MB / 0.9029 GB, free: 24.65 MB / 0.545 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 (262): * Single equations (assignments): 257 * 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 0.2338/1.787, allocations: 15.14 MB / 0.9176 GB, free: 171.2 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.02483/1.812, allocations: 14.42 MB / 0.9317 GB, free: 168.5 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 8.236e-06/1.812, allocations: 0 / 0.9317 GB, free: 168.5 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.005468/1.817, allocations: 3.896 MB / 0.9355 GB, free: 166.9 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00487/1.822, allocations: 0.8025 MB / 0.9363 GB, free: 166.5 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1258/1.948, allocations: 99.36 MB / 1.033 GB, free: 74.84 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007413/1.955, allocations: 4.842 MB / 1.038 GB, free: 69.96 MB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.006596/1.962, allocations: 2.766 MB / 1.041 GB, free: 67.19 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004098/1.966, allocations: 3.241 MB / 1.044 GB, free: 63.95 MB / 0.545 GB Notification: Performance of SimCode: time 9.32e-07/1.966, allocations: 0 / 1.044 GB, free: 63.95 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.4091/2.375, allocations: 138.2 MB / 1.179 GB, free: 164.3 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.63/16.01, allocations: 5.719 kB / 1.179 GB, free: 164.3 MB / 0.5606 GB (rm -f ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.pipe ; mkfifo ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.pipe ; head -c 1048576 < ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.pipe >> ../files/ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.sim & python3 -m fmpy simulate --output-file ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2_res.csv --start-time 0 --stop-time 3 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0012 ModelicaTest_trunk_ModelicaTest_MultiBody_Forces_ForceWithTwoMasses2.fmu > ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.pipe 2>&1) diffSimulationResults("ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2_res.csv","/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_trunk_ModelicaTest.MultiBody.Forces.ForceWithTwoMasses2.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches