Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package Buildings with version 8.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.Fluid.Actuators.Dampers.Examples.MixingBox,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox")
translateModel(Buildings.Fluid.Actuators.Dampers.Examples.MixingBox,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.648/1.648, allocations: 291.7 MB / 306.8 MB, free: 7.711 MB / 234.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009671/0.0009672, allocations: 192.3 kB / 375.4 MB, free: 5.133 MB / 298.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.455/1.455, allocations: 225.7 MB / 0.6538 GB, free: 13.7 MB / 490.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008283/0.0008284, allocations: 100.2 kB / 0.7699 GB, free: 50.39 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004179/0.0004179, allocations: 16.61 kB / 0.8956 GB, free: 11.91 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7356/0.736, allocations: 118.1 MB / 1.011 GB, free: 58.04 MB / 0.7136 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Actuators.Dampers.Examples.MixingBox): time 0.1784/0.9145, allocations: 172.8 MB / 1.18 GB, free: 5.363 MB / 0.7761 GB
Notification: Performance of NFInst.instExpressions: time 0.01256/0.9271, allocations: 7.15 MB / 1.187 GB, free: 0.6211 MB / 0.7761 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001493/0.9287, allocations: 33.53 kB / 1.187 GB, free: 0.6016 MB / 0.7761 GB
Notification: Performance of NFTyping.typeComponents: time 0.001342/0.93, allocations: 367 kB / 1.187 GB, free: 400 kB / 0.7761 GB
Notification: Performance of NFTyping.typeBindings: time 0.0037/0.9338, allocations: 1.13 MB / 1.188 GB, free: 15.76 MB / 0.7917 GB
Notification: Performance of NFTyping.typeClassSections: time 0.007413/0.9412, allocations: 2.039 MB / 1.19 GB, free: 14.9 MB / 0.7917 GB
Notification: Performance of NFFlatten.flatten: time 0.004224/0.9454, allocations: 2.451 MB / 1.192 GB, free: 13.86 MB / 0.7917 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001639/0.9471, allocations: 0.9043 MB / 1.193 GB, free: 13.54 MB / 0.7917 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001894/0.949, allocations: 0.8193 MB / 1.194 GB, free: 13.23 MB / 0.7917 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.001149/0.9501, allocations: 0.7758 MB / 1.195 GB, free: 12.93 MB / 0.7917 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001794/0.9503, allocations: 57.44 kB / 1.195 GB, free: 12.93 MB / 0.7917 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002547/0.9529, allocations: 0.9182 MB / 1.196 GB, free: 12.66 MB / 0.7917 GB
Notification: Performance of NFScalarize.scalarize: time 0.000424/0.9533, allocations: 334 kB / 1.196 GB, free: 12.53 MB / 0.7917 GB
Notification: Performance of NFVerifyModel.verify: time 0.0003648/0.9537, allocations: 225.1 kB / 1.196 GB, free: 12.39 MB / 0.7917 GB
Notification: Performance of NFConvertDAE.convert: time 0.002085/0.9558, allocations: 1.566 MB / 1.198 GB, free: 12.04 MB / 0.7917 GB
Notification: Performance of FrontEnd - DAE generated: time 5.47e-06/0.9558, allocations: 0 / 1.198 GB, free: 12.04 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 2.305e-06/0.9558, allocations: 0 / 1.198 GB, free: 12.04 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 1.828e-05/0.9558, allocations: 0 / 1.198 GB, free: 12.04 MB / 0.7917 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 120
 * Number of variables: 120
Notification: Performance of Generate backend data structure: time 0.004192/0.96, allocations: 1.532 MB / 1.199 GB, free: 11.08 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 5.978e-05/0.9601, allocations: 8.906 kB / 1.199 GB, free: 11.08 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001052/0.9612, allocations: 186.6 kB / 1.2 GB, free: 11.01 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002185/0.9634, allocations: 1.056 MB / 1.201 GB, free: 10.36 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001868/0.9636, allocations: 50.02 kB / 1.201 GB, free: 10.34 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001326/0.9637, allocations: 59.47 kB / 1.201 GB, free: 10.33 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001394/0.9651, allocations: 0.6997 MB / 1.201 GB, free: 10.05 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.48e-05/0.9651, allocations: 0 / 1.201 GB, free: 10.05 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.636e-05/0.9652, allocations: 22 kB / 1.201 GB, free: 10.04 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.819e-05/0.9652, allocations: 11.12 kB / 1.201 GB, free: 10.04 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001458/0.9667, allocations: 0.642 MB / 1.202 GB, free: 9.832 MB / 0.7917 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 0.004893/0.9716, allocations: 2.69 MB / 1.205 GB, free: 8.312 MB / 0.7917 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001246/0.9729, allocations: 0.5613 MB / 1.205 GB, free: 8.109 MB / 0.7917 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0007049/0.9736, allocations: 362.7 kB / 1.206 GB, free: 7.988 MB / 0.7917 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004639/0.9741, allocations: 290.4 kB / 1.206 GB, free: 7.695 MB / 0.7917 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.545e-05/0.9741, allocations: 38.41 kB / 1.206 GB, free: 7.652 MB / 0.7917 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.0009257/0.9751, allocations: 163.1 kB / 1.206 GB, free: 7.598 MB / 0.7917 GB
Notification: Performance of pre-optimization done (n=43): time 4.118e-06/0.9751, allocations: 2.844 kB / 1.206 GB, free: 7.598 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=43): time 0.002506/0.9776, allocations: 1.057 MB / 1.207 GB, free: 7.238 MB / 0.7917 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.9e-05/0.9777, allocations: 138.3 kB / 1.207 GB, free: 7.078 MB / 0.7917 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002348/0.98, allocations: 1.277 MB / 1.209 GB, free: 6.555 MB / 0.7917 GB
Notification: Performance of collectPreVariables (initialization): time 7.801e-05/0.9801, allocations: 39.3 kB / 1.209 GB, free: 6.516 MB / 0.7917 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0004167/0.9805, allocations: 456.3 kB / 1.209 GB, free: 6.156 MB / 0.7917 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001515/0.9807, allocations: 153.4 kB / 1.209 GB, free: 6.035 MB / 0.7917 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 2.915e-05/0.9807, allocations: 5.344 kB / 1.209 GB, free: 6.031 MB / 0.7917 GB
Notification: Performance of setup shared object (initialization): time 0.0001323/0.9809, allocations: 326.9 kB / 1.209 GB, free: 5.715 MB / 0.7917 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006369/0.9815, allocations: 290.3 kB / 1.21 GB, free: 5.629 MB / 0.7917 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009059/0.9824, allocations: 0.5113 MB / 1.21 GB, free: 5.289 MB / 0.7917 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001332/0.9838, allocations: 0.6326 MB / 1.211 GB, free: 5.062 MB / 0.7917 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.446e-06/0.9838, allocations: 1.156 kB / 1.211 GB, free: 5.062 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=49) (initialization): time 0.001767/0.9856, allocations: 0.7933 MB / 1.212 GB, free: 4.77 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 6.632e-05/0.9856, allocations: 97.12 kB / 1.212 GB, free: 4.676 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.676e-05/0.9857, allocations: 6.672 kB / 1.212 GB, free: 4.672 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.269e-05/0.9857, allocations: 2.641 kB / 1.212 GB, free: 4.672 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006851/0.9864, allocations: 123.1 kB / 1.212 GB, free: 4.664 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.379e-05/0.9864, allocations: 9.172 kB / 1.212 GB, free: 4.66 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001425/0.9878, allocations: 124.1 kB / 1.212 GB, free: 4.641 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.192e-05/0.9879, allocations: 22.61 kB / 1.212 GB, free: 4.641 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 8.035e-06/0.9879, allocations: 7.156 kB / 1.212 GB, free: 4.637 MB / 0.7917 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001405/0.9894, allocations: 0.665 MB / 1.213 GB, free: 4.426 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.378e-06/0.9894, allocations: 7.781 kB / 1.213 GB, free: 4.422 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 4.589e-06/0.9894, allocations: 1.438 kB / 1.213 GB, free: 4.422 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006211/0.99, allocations: 120.2 kB / 1.213 GB, free: 4.414 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.38e-06/0.99, allocations: 2.875 kB / 1.213 GB, free: 4.414 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001373/0.9914, allocations: 133.8 kB / 1.213 GB, free: 4.391 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.433e-05/0.9915, allocations: 24.72 kB / 1.213 GB, free: 4.387 MB / 0.7917 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 1
 * 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 initialization (47):
 * Single equations (assignments): 45
 * Array equations: 1
 * Algorithm blocks: 0
 * Record equations: 1
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.0005928/0.9921, allocations: 335.4 kB / 1.213 GB, free: 4.125 MB / 0.7917 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001995/0.9923, allocations: 99.44 kB / 1.213 GB, free: 4.074 MB / 0.7917 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001816/0.9941, allocations: 0.837 MB / 1.214 GB, free: 3.758 MB / 0.7917 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.103e-06/0.9941, allocations: 4.719 kB / 1.214 GB, free: 3.758 MB / 0.7917 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.13e-06/0.9942, allocations: 1.281 kB / 1.214 GB, free: 3.758 MB / 0.7917 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.514e-06/0.9942, allocations: 2.953 kB / 1.214 GB, free: 3.758 MB / 0.7917 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003437/0.9976, allocations: 1.986 MB / 1.216 GB, free: 2.789 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.342e-06/0.9976, allocations: 2.578 kB / 1.216 GB, free: 2.789 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005925/0.9982, allocations: 115.7 kB / 1.216 GB, free: 2.777 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.02e-05/0.9983, allocations: 13.66 kB / 1.216 GB, free: 2.77 MB / 0.7917 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.48e-05/0.9983, allocations: 18.92 kB / 1.216 GB, free: 2.762 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.015e-06/0.9983, allocations: 4.5 kB / 1.216 GB, free: 2.762 MB / 0.7917 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.526e-06/0.9983, allocations: 2.188 kB / 1.216 GB, free: 2.762 MB / 0.7917 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002296/1.001, allocations: 1.272 MB / 1.217 GB, free: 2.152 MB / 0.7917 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0005497/1.001, allocations: 290.9 kB / 1.218 GB, free: 1.938 MB / 0.7917 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001599/1.001, allocations: 14.61 kB / 1.218 GB, free: 1.93 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001055/1.002, allocations: 84.94 kB / 1.218 GB, free: 1.91 MB / 0.7917 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001329/1.003, allocations: 44.31 kB / 1.218 GB, free: 1.898 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.987e-05/1.003, allocations: 21.83 kB / 1.218 GB, free: 1.895 MB / 0.7917 GB
Notification: Performance of sorting global known variables: time 0.001675/1.004, allocations: 0.9134 MB / 1.219 GB, free: 1.512 MB / 0.7917 GB
Notification: Performance of sort global known variables: time 1.81e-07/1.004, allocations: 1.188 kB / 1.219 GB, free: 1.512 MB / 0.7917 GB
Notification: Performance of remove unused functions: time 0.001583/1.006, allocations: 449.4 kB / 1.219 GB, free: 1.441 MB / 0.7917 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 10
 * Number of states: 2 (mixBox.filter.x[1],mixBox.filter.x[2])
 * 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 (52):
 * Single equations (assignments): 52
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.0007458/1.007, allocations: 259.8 kB / 1.219 GB, free: 1.309 MB / 0.7917 GB
Notification: Performance of simCode: created initialization part: time 0.002474/1.009, allocations: 1.07 MB / 1.221 GB, free: 408 kB / 0.7917 GB
Notification: Performance of simCode: created event and clocks part: time 5.882e-06/1.009, allocations: 3.938 kB / 1.221 GB, free: 404 kB / 0.7917 GB
Notification: Performance of simCode: created simulation system equations: time 0.000702/1.01, allocations: 356.3 kB / 1.221 GB, free: 96 kB / 0.7917 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00292/1.013, allocations: 475.8 kB / 1.221 GB, free: 15.77 MB / 0.8073 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003261/1.016, allocations: 1.972 MB / 1.223 GB, free: 13.91 MB / 0.8073 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008341/1.017, allocations: 1.055 MB / 1.224 GB, free: 12.95 MB / 0.8073 GB
Notification: Performance of simCode: alias equations: time 0.00144/1.018, allocations: 298.6 kB / 1.225 GB, free: 12.74 MB / 0.8073 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003324/1.019, allocations: 94.02 kB / 1.225 GB, free: 12.66 MB / 0.8073 GB
Notification: Performance of SimCode: time 1.132e-06/1.019, allocations: 4 kB / 1.225 GB, free: 12.66 MB / 0.8073 GB
Notification: Performance of Templates: time 0.03903/1.058, allocations: 21.19 MB / 1.245 GB, free: 10.38 MB / 0.823 GB
make -j1 -f Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.makefile
(rm -f Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.pipe ; mkfifo Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.pipe ; head -c 1048576 < Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.pipe >> ../files/Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.sim & ./Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8.0.0_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.pipe 2>&1)