Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/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(BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox") translateModel(BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001393/0.001393, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001322/0.001322, allocations: 192.5 kB / 16.25 MB, free: 6.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.463/1.463, allocations: 222.9 MB / 239.9 MB, free: 4.531 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002681/0.002681, allocations: 282.9 kB / 290.4 MB, free: 2.152 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.135/1.135, allocations: 178.6 MB / 0.5069 GB, free: 4.766 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002822/0.002822, allocations: 95.31 kB / 0.6059 GB, free: 25.05 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1757/0.1785, allocations: 89.15 MB / 0.693 GB, free: 4.746 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox): time 0.4935/0.672, allocations: 187.2 MB / 0.8758 GB, free: 14.54 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.007306/0.6794, allocations: 4.26 MB / 0.88 GB, free: 11.06 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009594/0.6804, allocations: 24.53 kB / 0.88 GB, free: 11.05 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.00124/0.6816, allocations: 436.4 kB / 0.8804 GB, free: 10.7 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.003451/0.6851, allocations: 1.465 MB / 0.8818 GB, free: 9.566 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.003086/0.6882, allocations: 1.249 MB / 0.883 GB, free: 8.695 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.002665/0.6909, allocations: 2.262 MB / 0.8853 GB, free: 7.309 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001437/0.6923, allocations: 1.053 MB / 0.8863 GB, free: 6.246 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001486/0.6938, allocations: 0.9653 MB / 0.8872 GB, free: 5.277 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001148/0.695, allocations: 0.9068 MB / 0.8881 GB, free: 4.367 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 0.0002237/0.6952, allocations: 140 kB / 0.8882 GB, free: 4.23 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002263/0.6975, allocations: 1.274 MB / 0.8895 GB, free: 2.953 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.000477/0.698, allocations: 422.7 kB / 0.8899 GB, free: 2.539 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0007238/0.6987, allocations: 0.6453 MB / 0.8905 GB, free: 1.891 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.002643/0.7014, allocations: 2.037 MB / 0.8925 GB, free: 15.85 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 4.779e-06/0.7014, allocations: 3.938 kB / 0.8925 GB, free: 15.84 MB / 0.6231 GB Notification: Performance of FrontEnd: time 1.262e-06/0.7014, allocations: 0 / 0.8925 GB, free: 15.84 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 1.591e-05/0.7014, allocations: 0 / 0.8925 GB, free: 15.84 MB / 0.6231 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 119 * Number of variables: 119 Notification: Performance of Generate backend data structure: time 0.004633/0.706, allocations: 1.721 MB / 0.8942 GB, free: 14.07 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 3.693e-05/0.7061, allocations: 8.031 kB / 0.8942 GB, free: 14.06 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008656/0.707, allocations: 186.4 kB / 0.8944 GB, free: 13.88 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001845/0.7088, allocations: 1.037 MB / 0.8954 GB, free: 12.79 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000162/0.709, allocations: 52.98 kB / 0.8954 GB, free: 12.73 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001316/0.7091, allocations: 68.59 kB / 0.8955 GB, free: 12.67 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001362/0.7105, allocations: 0.6114 MB / 0.8961 GB, free: 12.05 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.488e-05/0.7105, allocations: 4 kB / 0.8961 GB, free: 12.05 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.387e-05/0.7106, allocations: 20 kB / 0.8961 GB, free: 12.03 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.227e-05/0.7106, allocations: 17 kB / 0.8961 GB, free: 12.01 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001426/0.7121, allocations: 0.6246 MB / 0.8968 GB, free: 11.39 MB / 0.6231 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 0.004466/0.7166, allocations: 2.658 MB / 0.8993 GB, free: 8.59 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001235/0.7178, allocations: 0.5391 MB / 0.8999 GB, free: 8.039 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007013/0.7185, allocations: 351.4 kB / 0.9002 GB, free: 7.695 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004404/0.719, allocations: 303.1 kB / 0.9005 GB, free: 7.344 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.406e-05/0.719, allocations: 38.56 kB / 0.9005 GB, free: 7.297 MB / 0.6231 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0007878/0.7198, allocations: 155.5 kB / 0.9007 GB, free: 7.145 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=43): time 2.254e-06/0.7198, allocations: 0 / 0.9007 GB, free: 7.145 MB / 0.6231 GB Notification: Performance of matching and sorting (n=43): time 0.002561/0.7224, allocations: 1.02 MB / 0.9017 GB, free: 6.117 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.478e-05/0.7224, allocations: 59.41 kB / 0.9017 GB, free: 6.047 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002076/0.7245, allocations: 1.267 MB / 0.903 GB, free: 4.762 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 8.76e-05/0.7246, allocations: 37.7 kB / 0.903 GB, free: 4.719 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004304/0.7251, allocations: 445.7 kB / 0.9034 GB, free: 4.277 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001567/0.7252, allocations: 145.9 kB / 0.9036 GB, free: 4.133 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002391/0.7255, allocations: 117.9 kB / 0.9037 GB, free: 4.012 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001466/0.7256, allocations: 322 kB / 0.904 GB, free: 3.691 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000638/0.7263, allocations: 270.2 kB / 0.9043 GB, free: 3.426 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008792/0.7272, allocations: 489 kB / 0.9047 GB, free: 2.871 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001293/0.7285, allocations: 0.5831 MB / 0.9053 GB, free: 2.285 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.473e-06/0.7285, allocations: 3.938 kB / 0.9053 GB, free: 2.281 MB / 0.6231 GB Notification: Performance of matching and sorting (n=45) (initialization): time 0.001705/0.7302, allocations: 0.7398 MB / 0.906 GB, free: 1.535 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.974e-05/0.7302, allocations: 7.984 kB / 0.906 GB, free: 1.527 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.541e-06/0.7302, allocations: 0 / 0.906 GB, free: 1.527 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.451e-05/0.7302, allocations: 4 kB / 0.906 GB, free: 1.523 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007129/0.731, allocations: 119.8 kB / 0.9061 GB, free: 1.406 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.554e-06/0.731, allocations: 0 / 0.9061 GB, free: 1.406 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001306/0.7323, allocations: 115.7 kB / 0.9063 GB, free: 1.293 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.049e-05/0.7324, allocations: 19.98 kB / 0.9063 GB, free: 1.273 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009094/0.7333, allocations: 469.7 kB / 0.9067 GB, free: 0.8125 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000864/0.7342, allocations: 490 kB / 0.9072 GB, free: 260 kB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001272/0.7354, allocations: 0.5805 MB / 0.9078 GB, free: 15.67 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.352e-06/0.7355, allocations: 0 / 0.9078 GB, free: 15.67 MB / 0.6387 GB Notification: Performance of matching and sorting (n=45) (initialization_lambda0): time 0.001651/0.7371, allocations: 0.7421 MB / 0.9085 GB, free: 14.92 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 1.331e-05/0.7371, allocations: 6.031 kB / 0.9085 GB, free: 14.91 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.815e-06/0.7371, allocations: 0 / 0.9085 GB, free: 14.91 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.884e-06/0.7372, allocations: 4 kB / 0.9085 GB, free: 14.91 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006978/0.7379, allocations: 119.8 kB / 0.9086 GB, free: 14.79 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.121e-06/0.7379, allocations: 11.98 kB / 0.9086 GB, free: 14.78 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001416/0.7393, allocations: 129.9 kB / 0.9087 GB, free: 14.66 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.92e-05/0.7394, allocations: 27.97 kB / 0.9088 GB, free: 14.63 MB / 0.6387 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 (45): * Single equations (assignments): 45 * Array equations: 0 * 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 0.0002383/0.7396, allocations: 208.1 kB / 0.909 GB, free: 14.42 MB / 0.6387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002187/0.7398, allocations: 98.78 kB / 0.9091 GB, free: 14.32 MB / 0.6387 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001979/0.7418, allocations: 0.8147 MB / 0.9099 GB, free: 13.5 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.043e-06/0.7418, allocations: 7.938 kB / 0.9099 GB, free: 13.49 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.352e-06/0.7419, allocations: 1.812 kB / 0.9099 GB, free: 13.49 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.141e-05/0.7419, allocations: 7.969 kB / 0.9099 GB, free: 13.48 MB / 0.6387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003533/0.7454, allocations: 1.948 MB / 0.9118 GB, free: 11.45 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.644e-06/0.7454, allocations: 4 kB / 0.9118 GB, free: 11.45 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006314/0.7461, allocations: 99.88 kB / 0.9119 GB, free: 11.35 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.085e-05/0.7461, allocations: 4 kB / 0.9119 GB, free: 11.35 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.393e-05/0.7462, allocations: 23.92 kB / 0.9119 GB, free: 11.32 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.027e-06/0.7462, allocations: 7.938 kB / 0.9119 GB, free: 11.32 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.789e-06/0.7462, allocations: 4 kB / 0.9119 GB, free: 11.31 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002402/0.7486, allocations: 1.229 MB / 0.9131 GB, free: 10.04 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005531/0.7492, allocations: 291.7 kB / 0.9134 GB, free: 9.738 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001621/0.7493, allocations: 15.92 kB / 0.9134 GB, free: 9.723 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001115/0.7504, allocations: 77.75 kB / 0.9135 GB, free: 9.648 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001261/0.7506, allocations: 39.95 kB / 0.9135 GB, free: 9.609 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.35e-05/0.7506, allocations: 16 kB / 0.9135 GB, free: 9.594 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.001601/0.7522, allocations: 0.9247 MB / 0.9144 GB, free: 8.66 MB / 0.6387 GB Notification: Performance of sort global known variables: time 2.4e-07/0.7522, allocations: 3.938 kB / 0.9144 GB, free: 8.656 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.001234/0.7535, allocations: 407.4 kB / 0.9148 GB, free: 8.258 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 2 (mixBox.filter.s[1],mixBox.filter.s[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 (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0005503/0.754, allocations: 217.2 kB / 0.915 GB, free: 8.043 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.002346/0.7564, allocations: 0.9943 MB / 0.916 GB, free: 7.051 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 3.948e-06/0.7564, allocations: 0 / 0.916 GB, free: 7.051 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0007091/0.7571, allocations: 336.3 kB / 0.9163 GB, free: 6.723 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002138/0.7593, allocations: 430.7 kB / 0.9167 GB, free: 6.316 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003064/0.7624, allocations: 2.004 MB / 0.9187 GB, free: 4.254 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007377/0.7631, allocations: 1.041 MB / 0.9197 GB, free: 3.18 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.001249/0.7644, allocations: 299 kB / 0.92 GB, free: 2.883 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003613/0.7647, allocations: 99.38 kB / 0.9201 GB, free: 2.785 MB / 0.6387 GB Notification: Performance of SimCode: time 8.62e-07/0.7647, allocations: 0 / 0.9201 GB, free: 2.785 MB / 0.6387 GB Notification: Performance of Templates: time 0.03947/0.8042, allocations: 21.08 MB / 0.9407 GB, free: 13.98 MB / 0.67 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox.sim & ./BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Actuators.Dampers.Examples.MixingBox.pipe 2>&1)