Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir") translateModel(Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:

SCode: time 0.2075/0.2097, allocations: 80.83 MB / 0.6706 GB, free: 1.996 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir): time 0.7966/1.006, allocations: 187 MB / 0.8532 GB, free: 11.21 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01418/1.021, allocations: 8.726 MB / 0.8617 GB, free: 4.094 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00248/1.023, allocations: 53.16 kB / 0.8618 GB, free: 4.074 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.002423/1.026, allocations: 0.5843 MB / 0.8624 GB, free: 3.574 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.005666/1.031, allocations: 1.325 MB / 0.8637 GB, free: 2.52 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.004211/1.036, allocations: 1.262 MB / 0.8649 GB, free: 1.551 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.00565/1.041, allocations: 2.875 MB / 0.8677 GB, free: 15.88 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00205/1.043, allocations: 1.189 MB / 0.8689 GB, free: 15.01 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004419/1.048, allocations: 1.587 MB / 0.8704 GB, free: 13.42 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002353/1.05, allocations: 0.9009 MB / 0.8713 GB, free: 12.52 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 0.0002408/1.05, allocations: 132 kB / 0.8714 GB, free: 12.39 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003335/1.054, allocations: 1.224 MB / 0.8726 GB, free: 11.16 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.0005862/1.054, allocations: 466.6 kB / 0.8731 GB, free: 10.71 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.00111/1.055, allocations: 0.754 MB / 0.8738 GB, free: 9.949 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.004158/1.06, allocations: 2.277 MB / 0.876 GB, free: 7.664 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 5.59e-06/1.06, allocations: 0 / 0.876 GB, free: 7.664 MB / 0.6387 GB Notification: Performance of FrontEnd: time 1.813e-06/1.06, allocations: 0 / 0.876 GB, free: 7.664 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 3.666e-05/1.06, allocations: 0 / 0.876 GB, free: 7.664 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 268 * Number of variables: 268 Notification: Performance of Generate backend data structure: time 0.003464/1.063, allocations: 1.873 MB / 0.8778 GB, free: 5.727 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 6.998e-05/1.063, allocations: 11.97 kB / 0.8779 GB, free: 5.715 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001714/1.065, allocations: 283.7 kB / 0.8781 GB, free: 5.438 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001983/1.067, allocations: 0.9335 MB / 0.879 GB, free: 4.461 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001251/1.067, allocations: 90.11 kB / 0.8791 GB, free: 4.371 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001924/1.067, allocations: 108 kB / 0.8792 GB, free: 4.266 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002967/1.07, allocations: 1.24 MB / 0.8804 GB, free: 2.957 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.445e-05/1.07, allocations: 0 / 0.8804 GB, free: 2.957 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001133/1.07, allocations: 48 kB / 0.8805 GB, free: 2.91 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.256e-05/1.07, allocations: 42.03 kB / 0.8805 GB, free: 2.867 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002132/1.073, allocations: 0.9448 MB / 0.8814 GB, free: 1.914 MB / 0.6387 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 0.006776/1.079, allocations: 4.615 MB / 0.886 GB, free: 12.99 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001636/1.081, allocations: 0.7142 MB / 0.8867 GB, free: 12.27 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005164/1.082, allocations: 296.1 kB / 0.8869 GB, free: 11.98 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 5.99e-05/1.082, allocations: 12.53 kB / 0.8869 GB, free: 11.97 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.664e-05/1.082, allocations: 47.12 kB / 0.887 GB, free: 11.91 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=62): time 3.256e-06/1.082, allocations: 3.938 kB / 0.887 GB, free: 11.91 MB / 0.6544 GB Notification: Performance of matching and sorting (n=62): time 0.00269/1.084, allocations: 0.9823 MB / 0.888 GB, free: 10.92 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.532e-05/1.084, allocations: 111.4 kB / 0.8881 GB, free: 10.79 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001318/1.086, allocations: 0.9859 MB / 0.889 GB, free: 9.785 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 8.697e-05/1.086, allocations: 41.7 kB / 0.8891 GB, free: 9.738 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004763/1.086, allocations: 0.5828 MB / 0.8896 GB, free: 9.148 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002215/1.087, allocations: 234 kB / 0.8899 GB, free: 8.918 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002497/1.087, allocations: 150.6 kB / 0.89 GB, free: 8.766 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001505/1.087, allocations: 333.9 kB / 0.8903 GB, free: 8.434 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000627/1.088, allocations: 288.7 kB / 0.8906 GB, free: 8.148 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007565/1.088, allocations: 478.1 kB / 0.891 GB, free: 7.605 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001306/1.09, allocations: 0.731 MB / 0.8918 GB, free: 6.816 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.988e-06/1.09, allocations: 8 kB / 0.8918 GB, free: 6.809 MB / 0.6544 GB Notification: Performance of matching and sorting (n=91) (initialization): time 0.001794/1.092, allocations: 0.9121 MB / 0.8927 GB, free: 5.883 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 4.496e-05/1.092, allocations: 38.94 kB / 0.8927 GB, free: 5.84 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.159e-05/1.092, allocations: 4.875 kB / 0.8927 GB, free: 5.836 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.586e-05/1.092, allocations: 8 kB / 0.8927 GB, free: 5.828 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001618/1.093, allocations: 279.9 kB / 0.893 GB, free: 5.555 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001454/1.095, allocations: 1.496 MB / 0.8944 GB, free: 3.914 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001011/1.096, allocations: 111.2 kB / 0.8945 GB, free: 3.805 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.442e-05/1.096, allocations: 31.98 kB / 0.8946 GB, free: 3.773 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009047/1.097, allocations: 470 kB / 0.895 GB, free: 3.309 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005737/1.097, allocations: 418.3 kB / 0.8954 GB, free: 2.832 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009307/1.098, allocations: 0.6452 MB / 0.8961 GB, free: 2.133 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.737e-06/1.098, allocations: 1.562 kB / 0.8961 GB, free: 2.133 MB / 0.6544 GB Notification: Performance of matching and sorting (n=91) (initialization_lambda0): time 0.00137/1.1, allocations: 0.8182 MB / 0.8969 GB, free: 1.301 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 4.262e-05/1.1, allocations: 46.06 kB / 0.8969 GB, free: 1.25 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.624e-06/1.1, allocations: 11.94 kB / 0.8969 GB, free: 1.238 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.484e-06/1.1, allocations: 4 kB / 0.8969 GB, free: 1.234 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001395/1.101, allocations: 243.7 kB / 0.8971 GB, free: 0.9961 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001483/1.103, allocations: 1.488 MB / 0.8986 GB, free: 15.36 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008391/1.104, allocations: 67.64 kB / 0.8987 GB, free: 15.3 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.917e-05/1.104, allocations: 28 kB / 0.8987 GB, free: 15.27 MB / 0.67 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 5 (vol1.i_w,PI1.I.local_reset,PI.I.local_reset,QLat.local_reset,QSen.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (91): * Single equations (assignments): 89 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0003575/1.104, allocations: 243.9 kB / 0.8989 GB, free: 15.02 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001996/1.104, allocations: 123.2 kB / 0.899 GB, free: 14.9 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001795/1.106, allocations: 0.757 MB / 0.8998 GB, free: 14.13 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.888e-06/1.106, allocations: 8 kB / 0.8998 GB, free: 14.12 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.4e-06/1.106, allocations: 3.938 kB / 0.8998 GB, free: 14.12 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001441/1.107, allocations: 0.6978 MB / 0.9005 GB, free: 13.39 MB / 0.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003453/1.111, allocations: 1.751 MB / 0.9022 GB, free: 11.57 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.108e-06/1.111, allocations: 4.062 kB / 0.9022 GB, free: 11.57 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007589/1.112, allocations: 143.9 kB / 0.9023 GB, free: 11.43 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003557/1.112, allocations: 40.81 kB / 0.9024 GB, free: 11.38 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.128e-05/1.112, allocations: 15.98 kB / 0.9024 GB, free: 11.37 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001446/1.114, allocations: 1.451 MB / 0.9038 GB, free: 9.773 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.096e-06/1.114, allocations: 3.984 kB / 0.9038 GB, free: 9.77 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002523/1.116, allocations: 1.206 MB / 0.905 GB, free: 8.539 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005481/1.117, allocations: 284.1 kB / 0.9052 GB, free: 8.242 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001282/1.117, allocations: 15.98 kB / 0.9053 GB, free: 8.227 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007426/1.118, allocations: 47.95 kB / 0.9053 GB, free: 8.18 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.629e-05/1.118, allocations: 36.52 kB / 0.9053 GB, free: 8.145 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.614e-05/1.118, allocations: 35.97 kB / 0.9054 GB, free: 8.109 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.0009982/1.119, allocations: 0.6723 MB / 0.906 GB, free: 7.43 MB / 0.67 GB Notification: Performance of sort global known variables: time 3.1e-07/1.119, allocations: 0 / 0.906 GB, free: 7.43 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.001554/1.12, allocations: 0.5379 MB / 0.9066 GB, free: 6.891 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 7 (vol1.dynBal.U,vol1.dynBal.m,vol1.dynBal.mXi[1],QSen.y,QLat.y,PI.I.y,PI1.I.y) * 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 (62): * Single equations (assignments): 61 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005279/1.121, allocations: 179.4 kB / 0.9067 GB, free: 6.711 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.003877/1.125, allocations: 1.304 MB / 0.908 GB, free: 5.383 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 5.26e-06/1.125, allocations: 4 kB / 0.908 GB, free: 5.379 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.0009252/1.126, allocations: 442.2 kB / 0.9084 GB, free: 4.934 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00256/1.128, allocations: 0.5204 MB / 0.9089 GB, free: 4.418 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004603/1.133, allocations: 2.231 MB / 0.9111 GB, free: 2.145 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001034/1.134, allocations: 1.155 MB / 0.9122 GB, free: 0.9609 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.001125/1.135, allocations: 240.5 kB / 0.9125 GB, free: 0.7227 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002746/1.135, allocations: 75.42 kB / 0.9125 GB, free: 0.6484 MB / 0.67 GB Notification: Performance of SimCode: time 3.787e-06/1.135, allocations: 0 / 0.9125 GB, free: 0.6484 MB / 0.67 GB Notification: Performance of Templates: time 0.03978/1.175, allocations: 19.37 MB / 0.9315 GB, free: 13.46 MB / 0.7012 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.sim & ./Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.pipe 2>&1)