Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad.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.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad") translateModel(Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001532/0.001532, allocations: 103.4 kB / 16.29 MB, free: 6.43 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001811/0.001811, allocations: 184.1 kB / 17.22 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.728/1.728, allocations: 205.1 MB / 223.1 MB, free: 12.3 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.947/1.947, allocations: 292.3 MB / 0.5495 GB, free: 17.56 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 0.001427/0.001427, allocations: 71.89 kB / 0.6722 GB, free: 6.477 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2753/0.2767, allocations: 114.6 MB / 0.7841 GB, free: 3.805 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad): time 0.6112/0.888, allocations: 74.37 MB / 0.8567 GB, free: 15.56 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.04952/0.9376, allocations: 22.24 MB / 0.8784 GB, free: 8 kB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.007873/0.9455, allocations: 99.67 kB / 0.8785 GB, free: 15.96 MB / 0.6856 GB Notification: Performance of NFTyping.typeComponents: time 0.007654/0.9533, allocations: 1.353 MB / 0.8798 GB, free: 15.05 MB / 0.6856 GB Notification: Performance of NFTyping.typeBindings: time 0.01543/0.9688, allocations: 3.002 MB / 0.8828 GB, free: 12.66 MB / 0.6856 GB Notification: Performance of NFTyping.typeClassSections: time 0.008912/0.9777, allocations: 2.16 MB / 0.8849 GB, free: 11.08 MB / 0.6856 GB Notification: Performance of NFFlatten.flatten: time 0.01237/0.9901, allocations: 5.141 MB / 0.8899 GB, free: 8.078 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004277/0.9944, allocations: 1.974 MB / 0.8918 GB, free: 6.82 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007606/1.002, allocations: 2.159 MB / 0.8939 GB, free: 5.52 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004314/1.006, allocations: 1.521 MB / 0.8954 GB, free: 4.555 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.0008008/1.007, allocations: 204.8 kB / 0.8956 GB, free: 4.555 MB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006569/1.014, allocations: 1.832 MB / 0.8974 GB, free: 3.594 MB / 0.6856 GB Notification: Performance of NFScalarize.scalarize: time 0.001321/1.015, allocations: 0.6359 MB / 0.898 GB, free: 3.113 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.004082/1.019, allocations: 1.218 MB / 0.8992 GB, free: 2.266 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.01083/1.03, allocations: 3.842 MB / 0.903 GB, free: 15.69 MB / 0.7012 GB Notification: Performance of FrontEnd - DAE generated: time 1.302e-05/1.03, allocations: 3.984 kB / 0.903 GB, free: 15.68 MB / 0.7012 GB Notification: Performance of FrontEnd: time 3.797e-06/1.03, allocations: 0 / 0.903 GB, free: 15.68 MB / 0.7012 GB Notification: Performance of Transformations before backend: time 0.0001201/1.03, allocations: 1.094 kB / 0.903 GB, free: 15.68 MB / 0.7012 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 313 * Number of variables: 313 Notification: Performance of Generate backend data structure: time 0.009062/1.039, allocations: 2.784 MB / 0.9057 GB, free: 13.63 MB / 0.7012 GB Notification: Performance of prepare preOptimizeDAE: time 7.229e-05/1.04, allocations: 10 kB / 0.9057 GB, free: 13.63 MB / 0.7012 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006208/1.046, allocations: 1.014 MB / 0.9067 GB, free: 13.16 MB / 0.7012 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005875/1.052, allocations: 1.858 MB / 0.9085 GB, free: 11.23 MB / 0.7012 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001035/1.053, allocations: 312 kB / 0.9088 GB, free: 10.91 MB / 0.7012 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002777/1.053, allocations: 131.9 kB / 0.9089 GB, free: 10.79 MB / 0.7012 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004763/1.058, allocations: 1.907 MB / 0.9108 GB, free: 8.809 MB / 0.7012 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.999e-05/1.058, allocations: 3.984 kB / 0.9108 GB, free: 8.805 MB / 0.7012 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001404/1.058, allocations: 56 kB / 0.9108 GB, free: 8.75 MB / 0.7012 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.625e-05/1.058, allocations: 32 kB / 0.9109 GB, free: 8.719 MB / 0.7012 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005543/1.064, allocations: 2.043 MB / 0.9129 GB, free: 6.668 MB / 0.7012 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 0.01492/1.079, allocations: 8.117 MB / 0.9208 GB, free: 14.09 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005049/1.084, allocations: 1.698 MB / 0.9225 GB, free: 12.38 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002006/1.086, allocations: 0.752 MB / 0.9232 GB, free: 11.63 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006406/1.092, allocations: 3.801 MB / 0.9269 GB, free: 7.52 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.089e-05/1.092, allocations: 43.12 kB / 0.9269 GB, free: 7.469 MB / 0.7169 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001013/1.093, allocations: 106.9 kB / 0.927 GB, free: 7.363 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=62): time 4.448e-06/1.093, allocations: 0 / 0.927 GB, free: 7.363 MB / 0.7169 GB Notification: Performance of matching and sorting (n=62): time 0.01386/1.107, allocations: 3.277 MB / 0.9302 GB, free: 4.055 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.242e-05/1.107, allocations: 55.97 kB / 0.9303 GB, free: 3.988 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0037/1.111, allocations: 2.042 MB / 0.9323 GB, free: 1.918 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0003765/1.111, allocations: 53.62 kB / 0.9323 GB, free: 1.859 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009751/1.112, allocations: 0.9531 MB / 0.9333 GB, free: 0.8945 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004114/1.113, allocations: 220.8 kB / 0.9335 GB, free: 0.6758 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004588/1.113, allocations: 226.4 kB / 0.9337 GB, free: 456 kB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 0.0001787/1.113, allocations: 341.9 kB / 0.934 GB, free: 108 kB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002317/1.116, allocations: 0.7894 MB / 0.9348 GB, free: 15.31 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002574/1.118, allocations: 1.119 MB / 0.9359 GB, free: 14.04 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00454/1.123, allocations: 1.721 MB / 0.9376 GB, free: 12.2 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.526e-06/1.123, allocations: 0 / 0.9376 GB, free: 12.2 MB / 0.7325 GB Notification: Performance of matching and sorting (n=120) (initialization): time 0.008012/1.131, allocations: 2.412 MB / 0.9399 GB, free: 9.773 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.433e-05/1.131, allocations: 8 kB / 0.9399 GB, free: 9.766 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.379e-05/1.131, allocations: 8.594 kB / 0.9399 GB, free: 9.758 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001425/1.132, allocations: 0.5121 MB / 0.9404 GB, free: 9.246 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001647/1.134, allocations: 331.5 kB / 0.9408 GB, free: 8.922 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002338/1.136, allocations: 1.123 MB / 0.9419 GB, free: 7.773 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002813/1.139, allocations: 212.5 kB / 0.9421 GB, free: 7.566 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003322/1.14, allocations: 63.95 kB / 0.9421 GB, free: 7.504 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003555/1.143, allocations: 1.123 MB / 0.9432 GB, free: 6.379 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003127/1.146, allocations: 1.109 MB / 0.9443 GB, free: 5.121 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004631/1.151, allocations: 1.671 MB / 0.9459 GB, free: 3.316 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.658e-05/1.151, allocations: 7.984 kB / 0.9459 GB, free: 3.309 MB / 0.7325 GB Notification: Performance of matching and sorting (n=120) (initialization_lambda0): time 0.007574/1.159, allocations: 2.276 MB / 0.9482 GB, free: 1.02 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.371e-05/1.159, allocations: 8 kB / 0.9482 GB, free: 1.012 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.166e-05/1.159, allocations: 9.094 kB / 0.9482 GB, free: 1.004 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001352/1.16, allocations: 0.5164 MB / 0.9487 GB, free: 496 kB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001538/1.162, allocations: 327.5 kB / 0.949 GB, free: 168 kB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002361/1.164, allocations: 1.123 MB / 0.9501 GB, free: 15.01 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002715/1.167, allocations: 212.5 kB / 0.9503 GB, free: 14.8 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002441/1.167, allocations: 59.95 kB / 0.9504 GB, free: 14.75 MB / 0.7481 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 41 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (112): * Single equations (assignments): 110 * Array equations: 1 * 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 {(1,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0005017/1.167, allocations: 256.8 kB / 0.9506 GB, free: 14.49 MB / 0.7481 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008686/1.168, allocations: 201.5 kB / 0.9508 GB, free: 14.29 MB / 0.7481 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.008087/1.176, allocations: 2.253 MB / 0.953 GB, free: 12.04 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.833e-05/1.177, allocations: 15.94 kB / 0.953 GB, free: 12.02 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.502e-05/1.177, allocations: 0 / 0.953 GB, free: 12.02 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.758e-05/1.177, allocations: 7.984 kB / 0.953 GB, free: 12.02 MB / 0.7481 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01251/1.189, allocations: 4.033 MB / 0.9569 GB, free: 7.898 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.524e-05/1.189, allocations: 4 kB / 0.957 GB, free: 7.895 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001215/1.19, allocations: 215.9 kB / 0.9572 GB, free: 7.684 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001216/1.192, allocations: 0.4897 MB / 0.9576 GB, free: 7.191 MB / 0.7481 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001071/1.192, allocations: 38.02 kB / 0.9577 GB, free: 7.156 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002307/1.194, allocations: 1.106 MB / 0.9588 GB, free: 6.023 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.334e-06/1.194, allocations: 4.031 kB / 0.9588 GB, free: 6.02 MB / 0.7481 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006761/1.201, allocations: 2.084 MB / 0.9608 GB, free: 3.891 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001984/1.203, allocations: 446.2 kB / 0.9612 GB, free: 3.434 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009267/1.204, allocations: 15.98 kB / 0.9612 GB, free: 3.418 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00236/1.206, allocations: 175.8 kB / 0.9614 GB, free: 3.246 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001371/1.206, allocations: 52.38 kB / 0.9615 GB, free: 3.195 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001401/1.207, allocations: 39.95 kB / 0.9615 GB, free: 3.156 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.003663/1.21, allocations: 1.439 MB / 0.9629 GB, free: 1.703 MB / 0.7481 GB Notification: Performance of sort global known variables: time 1.51e-07/1.21, allocations: 0 / 0.9629 GB, free: 1.703 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.005374/1.216, allocations: 0.9904 MB / 0.9639 GB, free: 0.7109 MB / 0.7481 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * 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 (65): * Single equations (assignments): 58 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * 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 {(1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001966/1.218, allocations: 0.5655 MB / 0.9644 GB, free: 168 kB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.009798/1.227, allocations: 2.874 MB / 0.9672 GB, free: 13.29 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 1.397e-05/1.228, allocations: 4.25 kB / 0.9672 GB, free: 13.28 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.002916/1.23, allocations: 0.8936 MB / 0.9681 GB, free: 12.39 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005248/1.236, allocations: 0.9469 MB / 0.969 GB, free: 11.52 MB / 0.7637 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007868/1.244, allocations: 3.581 MB / 0.9725 GB, free: 7.887 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001125/1.245, allocations: 1.454 MB / 0.9739 GB, free: 6.402 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.002287/1.247, allocations: 492.7 kB / 0.9744 GB, free: 5.945 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004728/1.248, allocations: 159.4 kB / 0.9746 GB, free: 5.789 MB / 0.7637 GB Notification: Performance of SimCode: time 2.415e-06/1.248, allocations: 0 / 0.9746 GB, free: 5.789 MB / 0.7637 GB Notification: Performance of Templates: time 0.08151/1.329, allocations: 44.58 MB / 1.018 GB, free: 9.812 MB / 0.8106 GB make -j1 -f Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad.makefile (rm -f Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad.pipe ; mkfifo Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad.pipe >> ../files/Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad.sim & ./Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > Buildings_8_Buildings.Fluid.Chillers.Examples.AbsorptionIndirectSteamVaryingLoad.pipe 2>&1)