Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T.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.HeatExchangers.Examples.WaterCooler_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T") translateModel(BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001439/0.001439, allocations: 109 kB / 16.41 MB, free: 6.488 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001203/0.001203, allocations: 187 kB / 17.34 MB, free: 5.73 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.348/1.348, allocations: 222.9 MB / 241.1 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002142/0.002142, allocations: 288 kB / 291.5 MB, free: 14.46 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9733/0.9733, allocations: 169.2 MB / 0.499 GB, free: 4.449 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002012/0.002012, allocations: 87.86 kB / 0.6821 GB, free: 6.988 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4731/0.4751, allocations: 86.98 MB / 0.7671 GB, free: 3.93 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T): time 0.05461/0.5298, allocations: 53.71 MB / 0.8195 GB, free: 14.03 MB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.02711/0.557, allocations: 17.01 MB / 0.8361 GB, free: 12.98 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003453/0.5605, allocations: 91.5 kB / 0.8362 GB, free: 12.89 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.005733/0.5663, allocations: 1.92 MB / 0.8381 GB, free: 10.97 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.006879/0.5731, allocations: 2.501 MB / 0.8405 GB, free: 8.457 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.006285/0.5794, allocations: 2.348 MB / 0.8428 GB, free: 6.121 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.0117/0.5912, allocations: 7.539 MB / 0.8502 GB, free: 14.57 MB / 0.6231 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00315/0.5943, allocations: 1.666 MB / 0.8518 GB, free: 12.87 MB / 0.6231 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004776/0.5991, allocations: 1.959 MB / 0.8537 GB, free: 10.91 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002565/0.6017, allocations: 1.435 MB / 0.8551 GB, free: 9.469 MB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 0.0006806/0.6024, allocations: 176 kB / 0.8553 GB, free: 9.297 MB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004653/0.6071, allocations: 2.016 MB / 0.8573 GB, free: 7.277 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.001079/0.6082, allocations: 0.6618 MB / 0.8579 GB, free: 6.613 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.002201/0.6104, allocations: 1.224 MB / 0.8591 GB, free: 5.383 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.007277/0.6177, allocations: 3.937 MB / 0.863 GB, free: 1.434 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 5.591e-06/0.6177, allocations: 0 / 0.863 GB, free: 1.434 MB / 0.6231 GB Notification: Performance of FrontEnd: time 2.164e-06/0.6178, allocations: 4 kB / 0.863 GB, free: 1.43 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 0.0001397/0.6179, allocations: 0 / 0.863 GB, free: 1.43 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: 285 * Number of variables: 285 Notification: Performance of Generate backend data structure: time 0.007121/0.625, allocations: 2.94 MB / 0.8658 GB, free: 14.41 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 4.28e-05/0.6251, allocations: 16.03 kB / 0.8658 GB, free: 14.39 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003073/0.6282, allocations: 0.5471 MB / 0.8664 GB, free: 13.84 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00578/0.634, allocations: 2.738 MB / 0.8691 GB, free: 11.03 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001193/0.6341, allocations: 98.17 kB / 0.8691 GB, free: 10.93 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003752/0.6345, allocations: 116 kB / 0.8693 GB, free: 10.82 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003285/0.6378, allocations: 1.363 MB / 0.8706 GB, free: 9.359 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.349e-05/0.6379, allocations: 3.938 kB / 0.8706 GB, free: 9.355 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001342/0.638, allocations: 48 kB / 0.8706 GB, free: 9.309 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.931e-05/0.6381, allocations: 42.08 kB / 0.8707 GB, free: 9.266 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00299/0.6411, allocations: 1.101 MB / 0.8718 GB, free: 8.156 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 0.01067/0.6517, allocations: 7.471 MB / 0.879 GB, free: 132 kB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002518/0.6543, allocations: 1.328 MB / 0.8803 GB, free: 14.68 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001029/0.6553, allocations: 426.8 kB / 0.8808 GB, free: 14.26 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006112/0.6615, allocations: 3.16 MB / 0.8838 GB, free: 10.76 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001119/0.6626, allocations: 430.9 kB / 0.8842 GB, free: 10.33 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=59): time 2.474e-06/0.6626, allocations: 0 / 0.8842 GB, free: 10.33 MB / 0.6544 GB Notification: Performance of matching and sorting (n=59): time 0.00357/0.6662, allocations: 1.252 MB / 0.8855 GB, free: 9.051 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.135e-05/0.6663, allocations: 55.97 kB / 0.8855 GB, free: 8.984 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003803/0.6701, allocations: 2.125 MB / 0.8876 GB, free: 6.832 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 0.0001627/0.6703, allocations: 41.7 kB / 0.8876 GB, free: 6.785 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.001011/0.6713, allocations: 1.022 MB / 0.8886 GB, free: 5.754 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002746/0.6716, allocations: 221 kB / 0.8888 GB, free: 5.535 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005255/0.6721, allocations: 310.5 kB / 0.8891 GB, free: 5.223 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 9.083e-05/0.6722, allocations: 305.1 kB / 0.8894 GB, free: 4.922 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00122/0.6734, allocations: 0.5532 MB / 0.89 GB, free: 4.363 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001526/0.675, allocations: 0.9924 MB / 0.8909 GB, free: 3.188 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002542/0.6775, allocations: 1.444 MB / 0.8924 GB, free: 1.578 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.102e-05/0.6776, allocations: 0 / 0.8924 GB, free: 1.578 MB / 0.6544 GB Notification: Performance of matching and sorting (n=188) (initialization): time 0.003636/0.6812, allocations: 1.77 MB / 0.8941 GB, free: 15.79 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 4.527e-05/0.6813, allocations: 41.7 kB / 0.8941 GB, free: 15.75 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.11e-05/0.6813, allocations: 12.69 kB / 0.8941 GB, free: 15.73 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.185e-05/0.6813, allocations: 20 kB / 0.8942 GB, free: 15.71 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001149/0.6825, allocations: 311.5 kB / 0.8945 GB, free: 15.41 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.283e-05/0.6825, allocations: 19.94 kB / 0.8945 GB, free: 15.39 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001562/0.6841, allocations: 182.6 kB / 0.8946 GB, free: 15.21 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001301/0.6842, allocations: 63.98 kB / 0.8947 GB, free: 15.15 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001899/0.6861, allocations: 0.9756 MB / 0.8957 GB, free: 14.17 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001448/0.6876, allocations: 0.9882 MB / 0.8966 GB, free: 12.99 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002457/0.6901, allocations: 1.447 MB / 0.898 GB, free: 11.38 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.143e-05/0.6901, allocations: 4 kB / 0.898 GB, free: 11.37 MB / 0.67 GB Notification: Performance of matching and sorting (n=188) (initialization_lambda0): time 0.003631/0.6937, allocations: 1.765 MB / 0.8998 GB, free: 9.594 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 4.117e-05/0.6938, allocations: 45.64 kB / 0.8998 GB, free: 9.543 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.244e-05/0.6938, allocations: 12 kB / 0.8998 GB, free: 9.531 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.191e-05/0.6939, allocations: 20 kB / 0.8998 GB, free: 9.512 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001124/0.695, allocations: 312 kB / 0.9001 GB, free: 9.207 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.869e-05/0.695, allocations: 23.92 kB / 0.9002 GB, free: 9.184 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00158/0.6966, allocations: 163 kB / 0.9003 GB, free: 9.023 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001356/0.6968, allocations: 63.98 kB / 0.9004 GB, free: 8.961 MB / 0.67 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 53 * 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 (154): * Single equations (assignments): 151 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 1 * 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 0.0003459/0.6971, allocations: 251.9 kB / 0.9006 GB, free: 8.707 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005232/0.6976, allocations: 205.4 kB / 0.9008 GB, free: 8.504 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0029/0.7005, allocations: 1.123 MB / 0.9019 GB, free: 7.363 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.85e-05/0.7006, allocations: 8 kB / 0.9019 GB, free: 7.355 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.182e-05/0.7006, allocations: 4 kB / 0.9019 GB, free: 7.352 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002002/0.7026, allocations: 0.9504 MB / 0.9028 GB, free: 6.348 MB / 0.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005607/0.7082, allocations: 2.621 MB / 0.9054 GB, free: 3.66 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.902e-06/0.7083, allocations: 4 kB / 0.9054 GB, free: 3.656 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000773/0.709, allocations: 143.8 kB / 0.9055 GB, free: 3.516 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001685/0.7092, allocations: 32.84 kB / 0.9056 GB, free: 3.48 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.321e-05/0.7093, allocations: 23.98 kB / 0.9056 GB, free: 3.457 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001039/0.7103, allocations: 1.433 MB / 0.907 GB, free: 1.879 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.753e-06/0.7103, allocations: 0 / 0.907 GB, free: 1.879 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003474/0.7138, allocations: 1.567 MB / 0.9085 GB, free: 292 kB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008374/0.7147, allocations: 398.1 kB / 0.9089 GB, free: 15.88 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004358/0.7151, allocations: 20 kB / 0.9089 GB, free: 15.86 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001185/0.7163, allocations: 71.8 kB / 0.909 GB, free: 15.79 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001252/0.7165, allocations: 52.5 kB / 0.909 GB, free: 15.73 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.898e-05/0.7166, allocations: 31.97 kB / 0.9091 GB, free: 15.7 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.002611/0.7192, allocations: 1.477 MB / 0.9105 GB, free: 14.21 MB / 0.6856 GB Notification: Performance of sort global known variables: time 4.1e-07/0.7192, allocations: 0 / 0.9105 GB, free: 14.21 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.003119/0.7223, allocations: 1.025 MB / 0.9115 GB, free: 13.19 MB / 0.6856 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 (69): * Single equations (assignments): 60 * 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 0.002224/0.7245, allocations: 0.8784 MB / 0.9124 GB, free: 12.45 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.004474/0.729, allocations: 2.102 MB / 0.9144 GB, free: 10.32 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 5.15e-06/0.7291, allocations: 4 kB / 0.9144 GB, free: 10.32 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.00127/0.7303, allocations: 0.5341 MB / 0.915 GB, free: 9.773 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004561/0.7349, allocations: 0.963 MB / 0.9159 GB, free: 8.84 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006996/0.7419, allocations: 3.697 MB / 0.9195 GB, free: 5.098 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001046/0.743, allocations: 1.542 MB / 0.921 GB, free: 3.523 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006132/0.7436, allocations: 175.4 kB / 0.9212 GB, free: 3.352 MB / 0.6856 GB Notification: Performance of SimCode: time 1.112e-06/0.7436, allocations: 4 kB / 0.9212 GB, free: 3.348 MB / 0.6856 GB Notification: Performance of Templates: time 0.4079/1.152, allocations: 40.53 MB / 0.9608 GB, free: 176.6 MB / 0.7169 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T.sim & ./BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe 2>&1)