Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.conf.json 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/IDEAS 3.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) 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 with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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) Running command: translateModel(IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T") translateModel(IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001594/0.001594, allocations: 181.6 kB / 15.98 MB, free: 5.77 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9771/0.9771, allocations: 133.3 MB / 150.1 MB, free: 11.14 MB / 122.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.361/1.361, allocations: 222.9 MB / 404.7 MB, free: 5.992 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001055/0.001055, allocations: 111 kB / 485.9 MB, free: 7.145 MB / 394.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0009809/0.000981, allocations: 51.91 kB / 0.5636 GB, free: 69.89 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.124/0.125, allocations: 80.43 MB / 0.6421 GB, free: 5.395 MB / 442.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T): time 0.04966/0.1747, allocations: 52.92 MB / 0.6938 GB, free: 292 kB / 490.7 MB Notification: Performance of NFInst.instExpressions: time 0.2878/0.4626, allocations: 15.26 MB / 0.7087 GB, free: 11.43 MB / 490.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002844/0.4655, allocations: 82.09 kB / 0.7088 GB, free: 11.43 MB / 490.7 MB Notification: Performance of NFTyping.typeComponents: time 0.003204/0.4687, allocations: 0.9512 MB / 0.7097 GB, free: 11.39 MB / 490.7 MB Notification: Performance of NFTyping.typeBindings: time 0.006319/0.475, allocations: 2.149 MB / 0.7118 GB, free: 11.29 MB / 490.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.00576/0.4808, allocations: 2.012 MB / 0.7138 GB, free: 11.22 MB / 490.7 MB Notification: Performance of NFFlatten.flatten: time 0.008079/0.4889, allocations: 6.038 MB / 0.7197 GB, free: 10.09 MB / 490.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002403/0.4913, allocations: 1.394 MB / 0.7211 GB, free: 9.523 MB / 490.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003231/0.4946, allocations: 1.692 MB / 0.7227 GB, free: 8.875 MB / 490.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001821/0.4964, allocations: 1.37 MB / 0.724 GB, free: 8.391 MB / 490.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0002471/0.4966, allocations: 88.66 kB / 0.7241 GB, free: 8.391 MB / 490.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003796/0.5005, allocations: 1.723 MB / 0.7258 GB, free: 7.91 MB / 490.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0004608/0.5009, allocations: 454.5 kB / 0.7262 GB, free: 7.711 MB / 490.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001038/0.502, allocations: 0.9605 MB / 0.7272 GB, free: 7.141 MB / 490.7 MB Notification: Performance of NFConvertDAE.convert: time 0.004109/0.5061, allocations: 3.235 MB / 0.7303 GB, free: 5.883 MB / 490.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.309e-06/0.5061, allocations: 0 / 0.7303 GB, free: 5.883 MB / 490.7 MB Notification: Performance of FrontEnd: time 8.22e-07/0.5061, allocations: 0 / 0.7303 GB, free: 5.883 MB / 490.7 MB Notification: Performance of Transformations before backend: time 2.617e-05/0.5062, allocations: 0 / 0.7303 GB, free: 5.883 MB / 490.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 281 * Number of variables: 281 Notification: Performance of Generate backend data structure: time 0.003848/0.51, allocations: 2.512 MB / 0.7328 GB, free: 4.027 MB / 490.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.53e-05/0.5101, allocations: 9.781 kB / 0.7328 GB, free: 4.027 MB / 490.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001984/0.512, allocations: 456.4 kB / 0.7332 GB, free: 3.816 MB / 490.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00271/0.5148, allocations: 1.655 MB / 0.7349 GB, free: 2.613 MB / 490.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003463/0.5151, allocations: 154.2 kB / 0.735 GB, free: 2.543 MB / 490.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001539/0.5153, allocations: 115.3 kB / 0.7351 GB, free: 2.508 MB / 490.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002201/0.5175, allocations: 1.356 MB / 0.7364 GB, free: 1.613 MB / 490.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.706e-05/0.5175, allocations: 3.938 kB / 0.7364 GB, free: 1.609 MB / 490.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.441e-05/0.5176, allocations: 46.94 kB / 0.7365 GB, free: 1.574 MB / 490.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.62e-05/0.5177, allocations: 40.36 kB / 0.7365 GB, free: 1.57 MB / 490.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002507/0.5202, allocations: 1.102 MB / 0.7376 GB, free: 1.027 MB / 490.7 MB 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 0.008321/0.5285, allocations: 6.966 MB / 0.7444 GB, free: 10.88 MB / 0.4948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002445/0.531, allocations: 1.369 MB / 0.7457 GB, free: 9.848 MB / 0.4948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009925/0.532, allocations: 434.3 kB / 0.7462 GB, free: 9.641 MB / 0.4948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.004918/0.5369, allocations: 3.085 MB / 0.7492 GB, free: 6.797 MB / 0.4948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001036/0.538, allocations: 455.4 kB / 0.7496 GB, free: 6.527 MB / 0.4948 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0003673/0.5384, allocations: 80.28 kB / 0.7497 GB, free: 6.477 MB / 0.4948 GB Notification: Performance of pre-optimization done (n=61): time 2.395e-06/0.5384, allocations: 0 / 0.7497 GB, free: 6.477 MB / 0.4948 GB Notification: Performance of matching and sorting (n=61): time 0.003054/0.5414, allocations: 1.229 MB / 0.7509 GB, free: 5.816 MB / 0.4948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.91e-05/0.5415, allocations: 57.47 kB / 0.7509 GB, free: 5.75 MB / 0.4948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001739/0.5432, allocations: 1.521 MB / 0.7524 GB, free: 4.941 MB / 0.4948 GB Notification: Performance of collectPreVariables (initialization): time 6.512e-05/0.5433, allocations: 49.67 kB / 0.7525 GB, free: 4.895 MB / 0.4948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006719/0.544, allocations: 0.8755 MB / 0.7533 GB, free: 4.121 MB / 0.4948 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001729/0.5442, allocations: 221 kB / 0.7535 GB, free: 3.938 MB / 0.4948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002982/0.5445, allocations: 206.5 kB / 0.7537 GB, free: 3.816 MB / 0.4948 GB Notification: Performance of setup shared object (initialization): time 0.0001075/0.5446, allocations: 342.4 kB / 0.7541 GB, free: 3.484 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009313/0.5455, allocations: 387.7 kB / 0.7544 GB, free: 3.301 MB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001204/0.5467, allocations: 0.7591 MB / 0.7552 GB, free: 2.391 MB / 0.4948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002093/0.5488, allocations: 1.125 MB / 0.7563 GB, free: 1.113 MB / 0.4948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.322e-06/0.5489, allocations: 4 kB / 0.7563 GB, free: 1.109 MB / 0.4948 GB Notification: Performance of matching and sorting (n=123) (initialization): time 0.00273/0.5516, allocations: 1.301 MB / 0.7575 GB, free: 15.8 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 3.853e-05/0.5516, allocations: 38.28 kB / 0.7576 GB, free: 15.76 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.395e-05/0.5517, allocations: 12 kB / 0.7576 GB, free: 15.75 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.598e-05/0.5517, allocations: 20 kB / 0.7576 GB, free: 15.73 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000982/0.5527, allocations: 255.6 kB / 0.7579 GB, free: 15.48 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.153e-05/0.5527, allocations: 19.94 kB / 0.7579 GB, free: 15.46 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001136/0.5539, allocations: 120.5 kB / 0.758 GB, free: 15.34 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.121e-05/0.554, allocations: 55.98 kB / 0.758 GB, free: 15.29 MB / 0.5105 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00137/0.5553, allocations: 0.6746 MB / 0.7587 GB, free: 14.61 MB / 0.5105 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001158/0.5565, allocations: 0.7436 MB / 0.7594 GB, free: 13.7 MB / 0.5105 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002023/0.5586, allocations: 1.097 MB / 0.7605 GB, free: 12.45 MB / 0.5105 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.418e-06/0.5586, allocations: 4 kB / 0.7605 GB, free: 12.44 MB / 0.5105 GB Notification: Performance of matching and sorting (n=123) (initialization_lambda0): time 0.002711/0.5613, allocations: 1.27 MB / 0.7617 GB, free: 11.16 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 3.868e-05/0.5613, allocations: 46.88 kB / 0.7618 GB, free: 11.11 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.119e-05/0.5614, allocations: 12 kB / 0.7618 GB, free: 11.1 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.559e-05/0.5614, allocations: 16 kB / 0.7618 GB, free: 11.08 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009656/0.5623, allocations: 256.6 kB / 0.7621 GB, free: 10.83 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.336e-05/0.5624, allocations: 23.88 kB / 0.7621 GB, free: 10.81 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001222/0.5636, allocations: 120.4 kB / 0.7622 GB, free: 10.69 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.001e-05/0.5637, allocations: 54.17 kB / 0.7622 GB, free: 10.64 MB / 0.5105 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 49 * Number of states: 0 () * Number of discrete variables: 6 (TSet.count,$PRE.TSet.count,TSet.T_start,$PRE.TSet.T_start,$whenCondition1,conPI.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (121): * Single equations (assignments): 119 * Array equations: 1 * Algorithm blocks: 1 * 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 0.0002747/0.564, allocations: 253.6 kB / 0.7625 GB, free: 10.39 MB / 0.5105 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002262/0.5642, allocations: 165.9 kB / 0.7626 GB, free: 10.22 MB / 0.5105 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002702/0.5669, allocations: 1.127 MB / 0.7637 GB, free: 9.09 MB / 0.5105 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.379e-05/0.567, allocations: 8 kB / 0.7638 GB, free: 9.082 MB / 0.5105 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.533e-06/0.567, allocations: 0 / 0.7638 GB, free: 9.082 MB / 0.5105 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002052/0.569, allocations: 0.9665 MB / 0.7647 GB, free: 8.062 MB / 0.5105 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 0.005048/0.5741, allocations: 2.411 MB / 0.7671 GB, free: 5.602 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.712e-06/0.5741, allocations: 3.938 kB / 0.7671 GB, free: 5.598 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007516/0.5749, allocations: 147.9 kB / 0.7672 GB, free: 5.453 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001745/0.5751, allocations: 24.84 kB / 0.7672 GB, free: 5.426 MB / 0.5105 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.214e-05/0.5751, allocations: 27.98 kB / 0.7673 GB, free: 5.398 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001132/0.5763, allocations: 1.319 MB / 0.7685 GB, free: 3.949 MB / 0.5105 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.673e-06/0.5763, allocations: 0 / 0.7685 GB, free: 3.949 MB / 0.5105 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1947/0.771, allocations: 39.12 MB / 0.8067 GB, free: 12.58 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006012/0.7716, allocations: 334.6 kB / 0.8071 GB, free: 12.23 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002242/0.7719, allocations: 15.98 kB / 0.8071 GB, free: 12.22 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009795/0.7729, allocations: 107.9 kB / 0.8072 GB, free: 12.11 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001297/0.773, allocations: 44.5 kB / 0.8072 GB, free: 12.07 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.278e-05/0.7731, allocations: 35.97 kB / 0.8073 GB, free: 12.04 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.001498/0.7746, allocations: 1.074 MB / 0.8083 GB, free: 10.94 MB / 0.5573 GB Notification: Performance of sort global known variables: time 2.3e-07/0.7746, allocations: 0 / 0.8083 GB, free: 10.94 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.004747/0.7794, allocations: 1.389 MB / 0.8097 GB, free: 9.547 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 6 (vol.dynBal.U,mov.filter.s[1],mov.filter.s[2],conPI.I.y,THeaOut.T,coo.outCon.T) * Number of discrete variables: 3 ($whenCondition1,TSet.T_start,TSet.count) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (71): * Single equations (assignments): 62 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 2 * 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): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001874/0.7812, allocations: 0.7744 MB / 0.8104 GB, free: 8.965 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.003652/0.7849, allocations: 1.602 MB / 0.812 GB, free: 7.344 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 4.018e-06/0.7849, allocations: 4.062 kB / 0.812 GB, free: 7.34 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.001207/0.7861, allocations: 0.537 MB / 0.8125 GB, free: 6.793 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003339/0.7895, allocations: 0.7285 MB / 0.8132 GB, free: 6.066 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006356/0.7959, allocations: 4.262 MB / 0.8174 GB, free: 1.77 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009065/0.7968, allocations: 1.389 MB / 0.8187 GB, free: 348 kB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.00233/0.7991, allocations: 458.2 kB / 0.8192 GB, free: 15.88 MB / 0.573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006793/0.7998, allocations: 163.2 kB / 0.8193 GB, free: 15.73 MB / 0.573 GB Notification: Performance of SimCode: time 7.41e-07/0.7998, allocations: 0 / 0.8193 GB, free: 15.73 MB / 0.573 GB Notification: Performance of Templates: time 0.06422/0.8641, allocations: 41.65 MB / 0.86 GB, free: 6.477 MB / 0.6042 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.makefile (rm -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.sim & ./IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe 2>&1)