Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.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/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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(Buildings.DHC.Plants.Steam.Examples.SingleBoiler,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler") translateModel(Buildings.DHC.Plants.Steam.Examples.SingleBoiler,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009774/0.0009776, allocations: 98.03 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.006912/0.006912, allocations: 168.9 kB / 16.26 MB, free: 6.648 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.414/1.414, allocations: 223.3 MB / 240.3 MB, free: 5.332 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.945/2.945, allocations: 473.4 MB / 0.7469 GB, free: 6.043 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0004229/0.0004231, allocations: 16.12 kB / 0.9158 GB, free: 33.06 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3504/0.3509, allocations: 162.2 MB / 1.074 GB, free: 7.543 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.DHC.Plants.Steam.Examples.SingleBoiler): time 1.032/1.383, allocations: 234.3 MB / 1.303 GB, free: 5.32 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.04825/1.431, allocations: 33.35 MB / 1.336 GB, free: 4.633 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.008332/1.44, allocations: 118.7 kB / 1.336 GB, free: 4.633 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.01964/1.459, allocations: 10.35 MB / 1.346 GB, free: 4.449 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.01424/1.474, allocations: 4.33 MB / 1.35 GB, free: 4.242 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.00991/1.484, allocations: 3.421 MB / 1.353 GB, free: 3.133 MB / 0.9981 GB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1080:9-1080:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.0004, 0.0005999999999999999, 0.0008, 0.001, 0.002176470588235294}[pressure.n] * 0.0‘ [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1080:9-1080:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.001, 0.002}[pressure.n] * 0.0‘ Notification: Performance of NFFlatten.flatten: time 0.0293/1.513, allocations: 22.22 MB / 1.375 GB, free: 12.52 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005937/1.519, allocations: 2.518 MB / 1.377 GB, free: 11.06 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01323/1.532, allocations: 4.457 MB / 1.382 GB, free: 9.547 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007004/1.539, allocations: 2.959 MB / 1.385 GB, free: 8.102 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.001535/1.541, allocations: 162.9 kB / 1.385 GB, free: 8.098 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0127/1.553, allocations: 4.475 MB / 1.389 GB, free: 6.074 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.002663/1.556, allocations: 1.273 MB / 1.39 GB, free: 5.297 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.005898/1.562, allocations: 2.298 MB / 1.393 GB, free: 3.773 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.01807/1.58, allocations: 8.871 MB / 1.401 GB, free: 13.37 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 7.514e-06/1.58, allocations: 6.531 kB / 1.401 GB, free: 13.36 MB / 1.029 GB Notification: Performance of FrontEnd: time 2.475e-06/1.58, allocations: 0 / 1.401 GB, free: 13.36 MB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0003038/1.58, allocations: 0 / 1.401 GB, free: 13.36 MB / 1.029 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 539 * Number of variables: 539 Notification: Performance of Generate backend data structure: time 0.01193/1.592, allocations: 4.698 MB / 1.406 GB, free: 8.637 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 5.251e-05/1.592, allocations: 15.92 kB / 1.406 GB, free: 8.621 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01175/1.604, allocations: 1.648 MB / 1.408 GB, free: 6.965 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01295/1.617, allocations: 5.503 MB / 1.413 GB, free: 1.531 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002601/1.618, allocations: 176.8 kB / 1.413 GB, free: 1.355 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007613/1.618, allocations: 239 kB / 1.413 GB, free: 1.125 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006961/1.625, allocations: 3.064 MB / 1.416 GB, free: 13.91 MB / 1.045 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.537e-05/1.625, allocations: 4 kB / 1.416 GB, free: 13.91 MB / 1.045 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002581/1.626, allocations: 88 kB / 1.416 GB, free: 13.82 MB / 1.045 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.273e-05/1.626, allocations: 80.05 kB / 1.417 GB, free: 13.74 MB / 1.045 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007293/1.633, allocations: 2.616 MB / 1.419 GB, free: 11.11 MB / 1.045 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 0.02373/1.657, allocations: 13.55 MB / 1.432 GB, free: 13.03 MB / 1.061 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005693/1.662, allocations: 2.127 MB / 1.434 GB, free: 10.89 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002936/1.665, allocations: 1.134 MB / 1.436 GB, free: 9.758 MB / 1.061 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01282/1.678, allocations: 4.523 MB / 1.44 GB, free: 4.965 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.343e-05/1.678, allocations: 43.88 kB / 1.44 GB, free: 4.914 MB / 1.061 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.003282/1.682, allocations: 357.8 kB / 1.44 GB, free: 4.566 MB / 1.061 GB Notification: Performance of pre-optimization done (n=153): time 6.422e-06/1.682, allocations: 0 / 1.44 GB, free: 4.566 MB / 1.061 GB Warning: Some equations could not be differentiated for following variables having attribute stateSelect=StateSelect.prefer. They will be treated as if they had stateSelect=StateSelect.default ======================================== 1: pla.boi.vol.p Please use -d=bltdump for more information. Notification: Performance of matching and sorting (n=180): time 0.1812/1.863, allocations: 46.47 MB / 1.486 GB, free: 5.902 MB / 1.107 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.962e-05/1.863, allocations: 73.41 kB / 1.486 GB, free: 5.816 MB / 1.107 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007679/1.871, allocations: 4.294 MB / 1.49 GB, free: 1.52 MB / 1.107 GB Notification: Performance of collectPreVariables (initialization): time 0.0006319/1.871, allocations: 69.3 kB / 1.49 GB, free: 1.449 MB / 1.107 GB Notification: Performance of collectInitialEqns (initialization): time 0.001974/1.873, allocations: 1.94 MB / 1.492 GB, free: 15.51 MB / 1.123 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009702/1.874, allocations: 0.6288 MB / 1.493 GB, free: 14.89 MB / 1.123 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004937/1.875, allocations: 316.2 kB / 1.493 GB, free: 14.57 MB / 1.123 GB Notification: Performance of setup shared object (initialization): time 0.0001104/1.875, allocations: 313 kB / 1.493 GB, free: 14.26 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004591/1.88, allocations: 2.055 MB / 1.495 GB, free: 12.2 MB / 1.123 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005149/1.885, allocations: 2.731 MB / 1.498 GB, free: 9.215 MB / 1.123 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009708/1.894, allocations: 4.559 MB / 1.502 GB, free: 4.43 MB / 1.123 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.498e-05/1.895, allocations: 4 kB / 1.502 GB, free: 4.426 MB / 1.123 GB Notification: Performance of matching and sorting (n=404) (initialization): time 0.01561/1.91, allocations: 6.276 MB / 1.508 GB, free: 14.09 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 0.0003612/1.911, allocations: 0.53 MB / 1.509 GB, free: 13.35 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.392e-05/1.911, allocations: 16 kB / 1.509 GB, free: 13.34 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.006691/1.917, allocations: 1.757 MB / 1.511 GB, free: 11.56 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002894/1.92, allocations: 0.5422 MB / 1.511 GB, free: 11.02 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01144/1.932, allocations: 7.117 MB / 1.518 GB, free: 3.57 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005314/1.937, allocations: 331.2 kB / 1.518 GB, free: 3.246 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005299/1.938, allocations: 159.9 kB / 1.519 GB, free: 3.09 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 1.068e-05/1.938, allocations: 4 kB / 1.519 GB, free: 3.086 MB / 1.139 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01285/1.95, allocations: 5.212 MB / 1.524 GB, free: 13.82 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.007e-05/1.951, allocations: 17 kB / 1.524 GB, free: 13.81 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.005359/1.956, allocations: 1.405 MB / 1.525 GB, free: 12.39 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002878/1.959, allocations: 0.5578 MB / 1.526 GB, free: 11.83 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0145/1.973, allocations: 9.225 MB / 1.535 GB, free: 2.078 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004999/1.978, allocations: 326.3 kB / 1.535 GB, free: 1.762 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004585/1.979, allocations: 147.9 kB / 1.535 GB, free: 1.617 MB / 1.154 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 65 * Number of states: 0 () * Number of discrete variables: 3 (conPumCNR.I.trigger_internal,pla.conBoi.I.trigger_internal,pla.conPum.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (276): * Single equations (assignments): 267 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 4 systems {(3,8), (2,8), (4,30), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.002418/1.981, allocations: 1.122 MB / 1.536 GB, free: 496 kB / 1.154 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001098/1.982, allocations: 426.4 kB / 1.537 GB, free: 64 kB / 1.154 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01434/1.997, allocations: 4.075 MB / 1.541 GB, free: 11.95 MB / 1.17 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.734e-05/1.997, allocations: 20 kB / 1.541 GB, free: 11.93 MB / 1.17 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.793e-06/1.997, allocations: 0 / 1.541 GB, free: 11.93 MB / 1.17 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01266/2.009, allocations: 3.462 MB / 1.544 GB, free: 8.43 MB / 1.17 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 postOpt removeSimpleEquations (simulation): time 0.03053/2.04, allocations: 8.63 MB / 1.552 GB, free: 15.7 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.173e-05/2.04, allocations: 4.094 kB / 1.552 GB, free: 15.69 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002089/2.042, allocations: 311.5 kB / 1.553 GB, free: 15.39 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.007506/2.05, allocations: 1.35 MB / 1.554 GB, free: 14.02 MB / 1.186 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004252/2.05, allocations: 71.94 kB / 1.554 GB, free: 13.95 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.009494/2.06, allocations: 5.388 MB / 1.559 GB, free: 8.359 MB / 1.186 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.647e-06/2.06, allocations: 0 / 1.559 GB, free: 8.359 MB / 1.186 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01667/2.077, allocations: 5.124 MB / 1.564 GB, free: 3.195 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003264/2.08, allocations: 0.761 MB / 1.565 GB, free: 2.41 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001823/2.082, allocations: 43.98 kB / 1.565 GB, free: 2.367 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004704/2.086, allocations: 271.5 kB / 1.565 GB, free: 2.102 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004678/2.087, allocations: 105.8 kB / 1.565 GB, free: 2 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004002/2.087, allocations: 87.94 kB / 1.566 GB, free: 1.914 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.00761/2.095, allocations: 2.88 MB / 1.568 GB, free: 15.04 MB / 1.201 GB Notification: Performance of sort global known variables: time 5.71e-07/2.095, allocations: 4 kB / 1.568 GB, free: 15.04 MB / 1.201 GB Notification: Performance of remove unused functions: time 0.01308/2.108, allocations: 2.945 MB / 1.571 GB, free: 12.09 MB / 1.201 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 14 (pla.pumFW.port_a.h_outflow,pla.pumFW.filter.s[1],pla.pumFW.filter.s[2],pla.boi.vol.p,pla.boi.vol.VWat,pla.conPum.I.y,pla.conBoi.I.y,pla.tanFW.m,pla.tanFW.H,vol.VWat,conPumCNR.I.y,pumCNR.port_a.h_outflow,pumCNR.filter.s[1],pumCNR.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 (135): * Single equations (assignments): 131 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * 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): 4 systems {(3,7), (2,7), (4,30), (1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.01022/2.118, allocations: 1.241 MB / 1.572 GB, free: 10.91 MB / 1.201 GB Notification: Performance of simCode: created initialization part: time 0.02009/2.138, allocations: 7.22 MB / 1.58 GB, free: 3.621 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 8.656e-06/2.139, allocations: 0 / 1.58 GB, free: 3.621 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.005415/2.144, allocations: 1.644 MB / 1.581 GB, free: 1.961 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01333/2.157, allocations: 2.086 MB / 1.583 GB, free: 15.91 MB / 1.217 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02057/2.178, allocations: 9.779 MB / 1.593 GB, free: 6.094 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003892/2.182, allocations: 2.542 MB / 1.595 GB, free: 3.52 MB / 1.217 GB Notification: Performance of simCode: alias equations: time 0.006299/2.188, allocations: 0.9767 MB / 1.596 GB, free: 2.539 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001442/2.19, allocations: 303.3 kB / 1.596 GB, free: 2.242 MB / 1.217 GB Notification: Performance of SimCode: time 1.443e-06/2.19, allocations: 0 / 1.596 GB, free: 2.242 MB / 1.217 GB Notification: Performance of Templates: time 0.2414/2.431, allocations: 148 MB / 1.741 GB, free: 15.52 MB / 1.373 GB make -j1 -f Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.makefile (rm -f Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.pipe ; mkfifo Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.pipe >> ../files/Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.sim & ./Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.DHC.Plants.Steam.Examples.SingleBoiler.pipe 2>&1)