Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0-beta.om_ModelicaTest.MultiBody.Sensors.CutForceAndTorque1.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 4.1.0-beta.om/package.mo", uses=false) Using package ModelicaTest with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0-beta.om/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.Sensors.CutForceAndTorque1,fileNamePrefix="ModelicaTest_4_1_0-beta_om_ModelicaTest_MultiBody_Sensors_CutForceAndTorque1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Sensors.CutForceAndTorque1,fileNamePrefix="ModelicaTest_4_1_0-beta_om_ModelicaTest_MultiBody_Sensors_CutForceAndTorque1",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001391/0.001392, allocations: 122.2 kB / 17.79 MB, free: 5.273 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.00159/0.00159, allocations: 201.2 kB / 18.74 MB, free: 4.332 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.454/1.454, allocations: 227.4 MB / 247 MB, free: 10.43 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0-beta.om/package.mo): time 0.2468/0.2468, allocations: 46.13 MB / 344.4 MB, free: 11.46 MB / 286.1 MB Warning: Requested package Modelica of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Notification: Performance of FrontEnd - loaded program: time 0.002666/0.002666, allocations: 75.88 kB / 480.9 MB, free: 4.516 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3659/0.3686, allocations: 62.44 MB / 0.5306 GB, free: 13.38 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Sensors.CutForceAndTorque1): time 0.02055/0.3892, allocations: 16.28 MB / 0.5465 GB, free: 0.6055 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.01419/0.4035, allocations: 5.392 MB / 0.5518 GB, free: 12 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.004359/0.4079, allocations: 131.6 kB / 0.5519 GB, free: 11.87 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0152/0.4232, allocations: 7.446 MB / 0.5592 GB, free: 4.398 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.009964/0.4332, allocations: 2.925 MB / 0.562 GB, free: 1.465 MB / 414.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00495/0.4382, allocations: 1.708 MB / 0.5637 GB, free: 15.75 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.01433/0.4526, allocations: 8.404 MB / 0.5719 GB, free: 7.332 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01381/0.4664, allocations: 8.905 MB / 0.5806 GB, free: 14.33 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.007268/0.4738, allocations: 3.401 MB / 0.5839 GB, free: 10.92 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.008063/0.4819, allocations: 4.343 MB / 0.5882 GB, free: 6.562 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.003068/0.485, allocations: 0.707 MB / 0.5888 GB, free: 5.855 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005501/0.4906, allocations: 1.526 MB / 0.5903 GB, free: 4.328 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.006717/0.4973, allocations: 4.014 MB / 0.5943 GB, free: 312 kB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.01088/0.5082, allocations: 4.482 MB / 0.5986 GB, free: 11.79 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.02158/0.5299, allocations: 13.68 MB / 0.612 GB, free: 14.06 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.204e-05/0.5299, allocations: 4 kB / 0.612 GB, free: 14.06 MB / 478.1 MB Notification: Performance of FrontEnd: time 2.154e-06/0.5299, allocations: 0 / 0.612 GB, free: 14.06 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0006235/0.5306, allocations: 4 kB / 0.612 GB, free: 14.05 MB / 478.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2873 * Number of variables: 2873 Notification: Performance of Generate backend data structure: time 0.02722/0.5578, allocations: 9.857 MB / 0.6216 GB, free: 4.094 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.712e-05/0.5579, allocations: 8.031 kB / 0.6216 GB, free: 4.086 MB / 478.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004596/0.5625, allocations: 1.363 MB / 0.623 GB, free: 2.715 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01209/0.5746, allocations: 2.69 MB / 0.6256 GB, free: 16 kB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01302/0.5877, allocations: 5.844 MB / 0.6313 GB, free: 10.09 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000653/0.5884, allocations: 0.4969 MB / 0.6318 GB, free: 9.594 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002963/0.5914, allocations: 0.6442 MB / 0.6324 GB, free: 8.949 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04502/0.6364, allocations: 19.59 MB / 0.6515 GB, free: 4.176 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004119/0.6369, allocations: 79.33 kB / 0.6516 GB, free: 4.098 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00254/0.6394, allocations: 315.8 kB / 0.6519 GB, free: 3.789 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.006137/0.6456, allocations: 3.301 MB / 0.6551 GB, free: 488 kB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03895/0.6846, allocations: 15.01 MB / 0.6698 GB, free: 1.449 MB / 0.5137 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.6468/1.331, allocations: 71.27 MB / 0.7394 GB, free: 115 MB / 0.5607 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01804/1.35, allocations: 6.391 MB / 0.7456 GB, free: 114.4 MB / 0.5607 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003941/1.354, allocations: 2.366 MB / 0.7479 GB, free: 113.5 MB / 0.5607 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01991/1.374, allocations: 10.82 MB / 0.7585 GB, free: 107.5 MB / 0.5607 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.257e-05/1.374, allocations: 62.03 kB / 0.7586 GB, free: 107.4 MB / 0.5607 GB Notification: Performance of pre-optimization done (n=212): time 6.132e-06/1.374, allocations: 7.703 kB / 0.7586 GB, free: 107.4 MB / 0.5607 GB Notification: Performance of matching and sorting (n=236): time 0.04701/1.421, allocations: 16.91 MB / 0.7751 GB, free: 96.51 MB / 0.5607 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.07e-05/1.421, allocations: 160.3 kB / 0.7752 GB, free: 96.33 MB / 0.5607 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01212/1.433, allocations: 6.676 MB / 0.7818 GB, free: 89.79 MB / 0.5607 GB Notification: Performance of collectPreVariables (initialization): time 0.0004698/1.433, allocations: 61.7 kB / 0.7818 GB, free: 89.73 MB / 0.5607 GB Notification: Performance of collectInitialEqns (initialization): time 0.004383/1.438, allocations: 5.878 MB / 0.7876 GB, free: 84.32 MB / 0.5607 GB Notification: Performance of collectInitialBindings (initialization): time 0.00113/1.439, allocations: 0.9557 MB / 0.7885 GB, free: 83.38 MB / 0.5607 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.004737/1.444, allocations: 1.816 MB / 0.7903 GB, free: 81.55 MB / 0.5607 GB Notification: Performance of setup shared object (initialization): time 5.722e-05/1.444, allocations: 305.1 kB / 0.7906 GB, free: 81.25 MB / 0.5607 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004108/1.448, allocations: 2.503 MB / 0.793 GB, free: 78.74 MB / 0.5607 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007262/1.455, allocations: 8.197 MB / 0.801 GB, free: 67.83 MB / 0.5607 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.011/1.466, allocations: 11.67 MB / 0.8124 GB, free: 53.51 MB / 0.5607 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0002298/1.467, allocations: 60 kB / 0.8125 GB, free: 53.45 MB / 0.5607 GB Notification: Performance of matching and sorting (n=1177) (initialization): time 0.01835/1.485, allocations: 10.37 MB / 0.8226 GB, free: 43.08 MB / 0.5607 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002716/1.485, allocations: 92 kB / 0.8227 GB, free: 42.99 MB / 0.5607 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003351/1.486, allocations: 204 kB / 0.8229 GB, free: 42.79 MB / 0.5607 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003418/1.486, allocations: 268.8 kB / 0.8231 GB, free: 42.53 MB / 0.5607 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006527/1.493, allocations: 2.055 MB / 0.8251 GB, free: 40.47 MB / 0.5607 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003881/1.493, allocations: 398.4 kB / 0.8255 GB, free: 40.08 MB / 0.5607 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008271/1.501, allocations: 431.6 kB / 0.8259 GB, free: 39.66 MB / 0.5607 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001841/1.503, allocations: 0.5501 MB / 0.8265 GB, free: 39.11 MB / 0.5607 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 923 * Number of states: 0 () * Number of discrete variables: 88 (cutForce2b.torqueArrow.twoHeadedArrow,cutForce2b.torqueArrow.headAtOrigin,cutForce2b.forceArrow.twoHeadedArrow,cutForce2b.forceArrow.headAtOrigin,cutForce2a.torqueArrow.twoHeadedArrow,cutForce2a.torqueArrow.headAtOrigin,cutForce2a.forceArrow.twoHeadedArrow,cutForce2a.forceArrow.headAtOrigin,cutForce1b.torqueArrow.twoHeadedArrow,cutForce1b.torqueArrow.headAtOrigin,cutForce1b.forceArrow.twoHeadedArrow,cutForce1b.forceArrow.headAtOrigin,cutForce1a.torqueArrow.twoHeadedArrow,cutForce1a.torqueArrow.headAtOrigin,cutForce1a.forceArrow.twoHeadedArrow,cutForce1a.forceArrow.headAtOrigin,body2b.sphereColor[3],body2b.sphereColor[2],body2b.sphereColor[1],body2a.sphereColor[3],body2a.sphereColor[2],body2a.sphereColor[1],body1b.sphereColor[3],body1b.sphereColor[2],body1b.sphereColor[1],body1a.sphereColor[3],body1a.sphereColor[2],body1a.sphereColor[1],rotate2b.color[3],rotate2b.color[2],rotate2b.color[1],rotate2a.color[3],rotate2a.color[2],rotate2a.color[1],rotate1b.color[3],rotate1b.color[2],rotate1b.color[1],rotate1a.color[3],rotate1a.color[2],rotate1a.color[1],translate2b.color[3],translate2b.color[2],translate2b.color[1],translate2a.color[3],translate2a.color[2],translate2a.color[1],translate1b.color[3],translate1b.color[2],translate1b.color[1],translate1a.color[3],translate1a.color[2],translate1a.color[1],cutForce2b.torqueColor[3],cutForce2b.torqueColor[2],cutForce2b.torqueColor[1],cutForce2b.forceColor[3],cutForce2b.forceColor[2],cutForce2b.forceColor[1],cutForce2a.torqueColor[3],cutForce2a.torqueColor[2],cutForce2a.torqueColor[1],cutForce2a.forceColor[3],cutForce2a.forceColor[2],cutForce2a.forceColor[1],cutForce1b.torqueColor[3],cutForce1b.torqueColor[2],cutForce1b.torqueColor[1],cutForce1b.forceColor[3],cutForce1b.forceColor[2],cutForce1b.forceColor[1],cutForce1a.torqueColor[3],cutForce1a.torqueColor[2],cutForce1a.torqueColor[1],cutForce1a.forceColor[3],cutForce1a.forceColor[2],cutForce1a.forceColor[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 (1113): * Single equations (assignments): 1102 * Array equations: 11 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.008737/1.512, allocations: 3.725 MB / 0.8301 GB, free: 35.37 MB / 0.5607 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001606/1.514, allocations: 0.5937 MB / 0.8307 GB, free: 34.77 MB / 0.5607 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002131/1.516, allocations: 0.6865 MB / 0.8314 GB, free: 34.07 MB / 0.5607 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.111e-05/1.516, allocations: 24 kB / 0.8314 GB, free: 34.05 MB / 0.5607 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.215e-05/1.516, allocations: 7.938 kB / 0.8314 GB, free: 34.04 MB / 0.5607 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.078e-05/1.516, allocations: 11.97 kB / 0.8314 GB, free: 34.03 MB / 0.5607 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03242/1.548, allocations: 21.95 MB / 0.8528 GB, free: 11.41 MB / 0.5607 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001591/1.549, allocations: 48.03 kB / 0.8529 GB, free: 11.37 MB / 0.5607 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001735/1.55, allocations: 463.1 kB / 0.8533 GB, free: 10.91 MB / 0.5607 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.448e-05/1.55, allocations: 63 kB / 0.8534 GB, free: 10.86 MB / 0.5607 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004122/1.551, allocations: 103.7 kB / 0.8535 GB, free: 10.76 MB / 0.5607 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.768e-05/1.551, allocations: 91.64 kB / 0.8536 GB, free: 10.67 MB / 0.5607 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.006e-05/1.551, allocations: 71.69 kB / 0.8536 GB, free: 10.6 MB / 0.5607 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005855/1.557, allocations: 4.657 MB / 0.8582 GB, free: 5.25 MB / 0.5607 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001869/1.559, allocations: 0.6804 MB / 0.8588 GB, free: 4.547 MB / 0.5607 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001685/1.56, allocations: 108 kB / 0.8589 GB, free: 4.441 MB / 0.5607 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003419/1.564, allocations: 131.9 kB / 0.8591 GB, free: 4.312 MB / 0.5607 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006209/1.564, allocations: 310.5 kB / 0.8594 GB, free: 4.008 MB / 0.5607 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003729/1.565, allocations: 132 kB / 0.8595 GB, free: 3.879 MB / 0.5607 GB Notification: Performance of sorting global known variables: time 0.008189/1.573, allocations: 4.147 MB / 0.8635 GB, free: 15.75 MB / 0.5763 GB Notification: Performance of sort global known variables: time 1.012e-06/1.573, allocations: 0 / 0.8635 GB, free: 15.75 MB / 0.5763 GB Notification: Performance of remove unused functions: time 0.01032/1.583, allocations: 1.46 MB / 0.865 GB, free: 14.29 MB / 0.5763 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 209 * Number of states: 0 () * 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 (236): * Single equations (assignments): 233 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.009628/1.593, allocations: 5.38 MB / 0.8702 GB, free: 8.227 MB / 0.5763 GB Notification: Performance of simCode: created initialization part: time 0.01258/1.606, allocations: 5.94 MB / 0.876 GB, free: 2.324 MB / 0.5763 GB Notification: Performance of simCode: created event and clocks part: time 4.293e-05/1.606, allocations: 8 kB / 0.876 GB, free: 2.316 MB / 0.5763 GB Notification: Performance of simCode: created simulation system equations: time 0.002498/1.608, allocations: 1.348 MB / 0.8773 GB, free: 0.9805 MB / 0.5763 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.008458/1.617, allocations: 0.9532 MB / 0.8783 GB, free: 52 kB / 0.5763 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1483/1.765, allocations: 71.79 MB / 0.9484 GB, free: 14.04 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01615/1.781, allocations: 5.716 MB / 0.954 GB, free: 8.285 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.008834/1.79, allocations: 2.701 MB / 0.9566 GB, free: 5.574 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.007675/1.798, allocations: 3.78 MB / 0.9603 GB, free: 1.793 MB / 0.67 GB Notification: Performance of SimCode: time 1.854e-06/1.798, allocations: 0 / 0.9603 GB, free: 1.793 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.4531/2.251, allocations: 99.67 MB / 1.058 GB, free: 208.8 MB / 0.6857 GB Notification: Performance of buildModelFMU: Generate platform static: time 31.13/33.38, allocations: 13 kB / 1.058 GB, free: 208.8 MB / 0.6857 GB (rm -f ModelicaTest_4.1.0-beta.om_ModelicaTest.MultiBody.Sensors.CutForceAndTorque1.pipe ; mkfifo ModelicaTest_4.1.0-beta.om_ModelicaTest.MultiBody.Sensors.CutForceAndTorque1.pipe ; head -c 1048576 < ModelicaTest_4.1.0-beta.om_ModelicaTest.MultiBody.Sensors.CutForceAndTorque1.pipe >> ../files/ModelicaTest_4.1.0-beta.om_ModelicaTest.MultiBody.Sensors.CutForceAndTorque1.sim & python3 -m fmpy simulate --output-file ModelicaTest_4.1.0-beta.om_ModelicaTest.MultiBody.Sensors.CutForceAndTorque1_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_1_0-beta_om_ModelicaTest_MultiBody_Sensors_CutForceAndTorque1.fmu > ModelicaTest_4.1.0-beta.om_ModelicaTest.MultiBody.Sensors.CutForceAndTorque1.pipe 2>&1)