Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox") translateModel(Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001099/0.001099, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001053/0.001053, allocations: 194.2 kB / 16.13 MB, free: 6.656 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.28/1.28, allocations: 205.1 MB / 222 MB, free: 4.762 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.619/1.619, allocations: 292.2 MB / 0.5484 GB, free: 13.66 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001346/0.001346, allocations: 62.14 kB / 0.6708 GB, free: 26.39 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2133/0.2147, allocations: 114.5 MB / 0.7827 GB, free: 14.04 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox): time 0.004944/0.2197, allocations: 3.921 MB / 0.7865 GB, free: 10.09 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.002093/0.2218, allocations: 1.291 MB / 0.7878 GB, free: 8.789 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00032/0.2221, allocations: 15.94 kB / 0.7878 GB, free: 8.773 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.0003398/0.2225, allocations: 91.16 kB / 0.7879 GB, free: 8.684 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.0002622/0.2228, allocations: 91.3 kB / 0.7879 GB, free: 8.594 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005414/0.2233, allocations: 315.8 kB / 0.7882 GB, free: 8.285 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.0007164/0.2241, allocations: 0.9355 MB / 0.7892 GB, free: 7.348 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006446/0.2247, allocations: 0.5193 MB / 0.7897 GB, free: 6.801 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002862/0.225, allocations: 302.5 kB / 0.79 GB, free: 6.504 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003045/0.2253, allocations: 366 kB / 0.7903 GB, free: 6.145 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 9.388e-05/0.2254, allocations: 52 kB / 0.7903 GB, free: 6.094 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 8.053e-05/0.2255, allocations: 48 kB / 0.7904 GB, free: 6.047 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.0001171/0.2256, allocations: 163.3 kB / 0.7906 GB, free: 5.887 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0002647/0.2259, allocations: 385.6 kB / 0.7909 GB, free: 5.508 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.000843/0.2268, allocations: 1.242 MB / 0.7921 GB, free: 4.262 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 3.927e-06/0.2268, allocations: 7.875 kB / 0.7921 GB, free: 4.254 MB / 0.6075 GB Notification: Performance of FrontEnd: time 1.934e-06/0.2268, allocations: 0 / 0.7921 GB, free: 4.254 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 1.013e-05/0.2268, allocations: 3.938 kB / 0.7921 GB, free: 4.25 MB / 0.6075 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 179 * Number of variables: 179 Notification: Performance of Generate backend data structure: time 0.002295/0.2291, allocations: 1.27 MB / 0.7934 GB, free: 2.914 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 4.656e-05/0.2291, allocations: 8.031 kB / 0.7934 GB, free: 2.906 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001709/0.2293, allocations: 103.7 kB / 0.7935 GB, free: 2.805 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007257/0.2301, allocations: 0.5717 MB / 0.794 GB, free: 2.191 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.939e-05/0.2301, allocations: 58.38 kB / 0.7941 GB, free: 2.133 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.725e-05/0.2302, allocations: 72.38 kB / 0.7942 GB, free: 2.062 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001562/0.2318, allocations: 0.8152 MB / 0.795 GB, free: 1.23 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.659e-05/0.2318, allocations: 0 / 0.795 GB, free: 1.23 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.308e-05/0.2319, allocations: 32 kB / 0.795 GB, free: 1.199 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.532e-05/0.2319, allocations: 19.98 kB / 0.795 GB, free: 1.18 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001701/0.2336, allocations: 0.687 MB / 0.7957 GB, free: 0.4922 MB / 0.6075 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003269/0.2369, allocations: 2.489 MB / 0.7981 GB, free: 13.92 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001714/0.2386, allocations: 0.7082 MB / 0.7988 GB, free: 13.2 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008148/0.2395, allocations: 349.7 kB / 0.7991 GB, free: 12.86 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 4.396e-05/0.2395, allocations: 8.438 kB / 0.7992 GB, free: 12.85 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009738/0.2405, allocations: 365.2 kB / 0.7995 GB, free: 12.48 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=51): time 2.995e-06/0.2405, allocations: 8 kB / 0.7995 GB, free: 12.47 MB / 0.6231 GB Notification: Performance of matching and sorting (n=51): time 0.002281/0.2428, allocations: 0.8572 MB / 0.8003 GB, free: 11.61 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.612e-05/0.2429, allocations: 137 kB / 0.8005 GB, free: 11.44 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007526/0.2436, allocations: 0.6212 MB / 0.8011 GB, free: 10.81 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 5.527e-05/0.2437, allocations: 41.64 kB / 0.8011 GB, free: 10.76 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.000296/0.244, allocations: 372.2 kB / 0.8015 GB, free: 10.39 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001271/0.2442, allocations: 173.5 kB / 0.8016 GB, free: 10.22 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001869/0.2444, allocations: 114.1 kB / 0.8018 GB, free: 10.11 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001682/0.2445, allocations: 378.7 kB / 0.8021 GB, free: 9.727 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007754/0.2453, allocations: 283 kB / 0.8024 GB, free: 9.449 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008521/0.2462, allocations: 413.1 kB / 0.8028 GB, free: 8.988 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001427/0.2476, allocations: 0.6624 MB / 0.8034 GB, free: 8.285 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.727e-06/0.2476, allocations: 4 kB / 0.8034 GB, free: 8.281 MB / 0.6231 GB Notification: Performance of matching and sorting (n=71) (initialization): time 0.001867/0.2495, allocations: 0.8178 MB / 0.8042 GB, free: 7.445 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 6.451e-05/0.2496, allocations: 63.41 kB / 0.8043 GB, free: 7.371 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.516e-06/0.2496, allocations: 0 / 0.8043 GB, free: 7.371 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.202e-05/0.2496, allocations: 8 kB / 0.8043 GB, free: 7.363 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006318/0.2503, allocations: 143.8 kB / 0.8044 GB, free: 7.223 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.262e-05/0.2503, allocations: 8 kB / 0.8044 GB, free: 7.215 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005932/0.2509, allocations: 119.3 kB / 0.8046 GB, free: 7.098 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.961e-05/0.2509, allocations: 20 kB / 0.8046 GB, free: 7.078 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008622/0.2518, allocations: 402.2 kB / 0.805 GB, free: 6.684 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0006417/0.2525, allocations: 369 kB / 0.8053 GB, free: 6.273 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001137/0.2536, allocations: 0.5766 MB / 0.8059 GB, free: 5.652 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.725e-06/0.2536, allocations: 0 / 0.8059 GB, free: 5.652 MB / 0.6231 GB Notification: Performance of matching and sorting (n=71) (initialization_lambda0): time 0.001504/0.2551, allocations: 0.7122 MB / 0.8066 GB, free: 4.922 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 4.6e-05/0.2552, allocations: 63.39 kB / 0.8066 GB, free: 4.848 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.953e-06/0.2552, allocations: 4 kB / 0.8066 GB, free: 4.844 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.502e-06/0.2552, allocations: 4 kB / 0.8066 GB, free: 4.84 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000506/0.2557, allocations: 124.1 kB / 0.8068 GB, free: 4.719 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.455e-06/0.2557, allocations: 11.94 kB / 0.8068 GB, free: 4.707 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000503/0.2563, allocations: 103.4 kB / 0.8069 GB, free: 4.605 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.64e-05/0.2563, allocations: 20 kB / 0.8069 GB, free: 4.586 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 13 (conMix.conFloRat.con1.y,conMix.conCoo.con1.y,conMix.conHea.con1.y,m_flow.count,$PRE.m_flow.count,m_flow.T_start,$PRE.m_flow.T_start,TRoo.count,$PRE.TRoo.count,TRoo.T_start,$PRE.TRoo.T_start,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (69): * Single equations (assignments): 67 * Array equations: 0 * Algorithm blocks: 2 * 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 0.0002349/0.2565, allocations: 217.3 kB / 0.8071 GB, free: 4.367 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.81e-05/0.2566, allocations: 71.09 kB / 0.8072 GB, free: 4.297 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001591/0.2582, allocations: 0.6514 MB / 0.8078 GB, free: 3.633 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.362e-06/0.2583, allocations: 4 kB / 0.8078 GB, free: 3.629 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.48e-06/0.2583, allocations: 0 / 0.8078 GB, free: 3.629 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.142e-06/0.2583, allocations: 3.984 kB / 0.8078 GB, free: 3.625 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008402/0.2591, allocations: 0.7276 MB / 0.8085 GB, free: 2.848 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.234e-06/0.2591, allocations: 7.938 kB / 0.8085 GB, free: 2.84 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005767/0.2597, allocations: 119.8 kB / 0.8086 GB, free: 2.723 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.777e-06/0.2597, allocations: 0 / 0.8086 GB, free: 2.723 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.057e-05/0.2598, allocations: 15.98 kB / 0.8086 GB, free: 2.707 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.169e-06/0.2598, allocations: 4 kB / 0.8087 GB, free: 2.703 MB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.064e-06/0.2598, allocations: 0 / 0.8087 GB, free: 2.703 MB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002385/0.2622, allocations: 0.9833 MB / 0.8096 GB, free: 1.699 MB / 0.6231 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001426/0.2623, allocations: 156.2 kB / 0.8098 GB, free: 1.527 MB / 0.6231 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.169e-05/0.2624, allocations: 16 kB / 0.8098 GB, free: 1.512 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004479/0.2629, allocations: 59.92 kB / 0.8098 GB, free: 1.453 MB / 0.6231 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001336/0.263, allocations: 48.36 kB / 0.8099 GB, free: 1.406 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.498e-05/0.2631, allocations: 12 kB / 0.8099 GB, free: 1.395 MB / 0.6231 GB Notification: Performance of sorting global known variables: time 0.0005623/0.2636, allocations: 439.1 kB / 0.8103 GB, free: 0.9727 MB / 0.6231 GB Notification: Performance of sort global known variables: time 1.5e-07/0.2636, allocations: 0 / 0.8103 GB, free: 0.9727 MB / 0.6231 GB Notification: Performance of remove unused functions: time 0.0006492/0.2643, allocations: 270.8 kB / 0.8106 GB, free: 0.707 MB / 0.6231 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 3 (conMix.conHea.I.y,conMix.conCoo.I.y,conMix.conFloRat.I.y) * Number of discrete variables: 6 ($whenCondition2,$whenCondition1,TRoo.T_start,TRoo.count,m_flow.T_start,m_flow.count) * Number of discrete states: 2 (m_flow.count,TRoo.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (51): * Single equations (assignments): 47 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 4 * 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 0.0001544/0.2645, allocations: 115.1 kB / 0.8107 GB, free: 0.582 MB / 0.6231 GB Notification: Performance of simCode: created initialization part: time 0.002414/0.2669, allocations: 1.155 MB / 0.8118 GB, free: 15.38 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 3.677e-06/0.2669, allocations: 4 kB / 0.8118 GB, free: 15.38 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0007842/0.2677, allocations: 310.8 kB / 0.8121 GB, free: 15.07 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000735/0.2684, allocations: 119 kB / 0.8122 GB, free: 14.96 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002248/0.2707, allocations: 1.509 MB / 0.8137 GB, free: 13.42 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004293/0.2711, allocations: 0.9222 MB / 0.8146 GB, free: 12.47 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.0003549/0.2715, allocations: 81.02 kB / 0.8147 GB, free: 12.39 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001663/0.2717, allocations: 55.42 kB / 0.8147 GB, free: 12.34 MB / 0.6387 GB Notification: Performance of SimCode: time 4.41e-07/0.2717, allocations: 0 / 0.8147 GB, free: 12.34 MB / 0.6387 GB Notification: Performance of Templates: time 0.01254/0.2842, allocations: 7.248 MB / 0.8218 GB, free: 5.148 MB / 0.6387 GB make -j1 -f Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox.makefile (rm -f Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox.pipe ; mkfifo Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox.pipe ; head -c 1048576 < Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox.pipe >> ../files/Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox.sim & ./Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Examples.DualFanDualDuct.Controls.Examples.RoomMixingBox.pipe 2>&1)