Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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: "" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_Movers_BaseClasses_Validation_PowerInterface",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_Movers_BaseClasses_Validation_PowerInterface",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001061/0.001061, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009912/0.0009912, allocations: 192.5 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.334/1.334, allocations: 222.9 MB / 240.2 MB, free: 4.398 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 0.969/0.969, allocations: 143 MB / 433.4 MB, free: 11.54 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001576/0.001576, allocations: 64.05 kB / 0.5143 GB, free: 11.57 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1545/0.1561, allocations: 82.04 MB / 0.5944 GB, free: 9.488 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface): time 0.003913/0.1601, allocations: 1.614 MB / 0.596 GB, free: 7.859 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.0009494/0.161, allocations: 339.9 kB / 0.5963 GB, free: 7.523 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 8.651e-05/0.1612, allocations: 0 / 0.5963 GB, free: 7.523 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 7.979e-05/0.1612, allocations: 11.86 kB / 0.5963 GB, free: 7.512 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.0001178/0.1614, allocations: 19.8 kB / 0.5963 GB, free: 7.492 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004644/0.1619, allocations: 79.78 kB / 0.5964 GB, free: 7.414 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.0001827/0.1621, allocations: 111.6 kB / 0.5965 GB, free: 7.305 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001622/0.1622, allocations: 31.95 kB / 0.5965 GB, free: 7.273 MB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001131/0.1624, allocations: 35.92 kB / 0.5966 GB, free: 7.238 MB / 0.4981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001132/0.1625, allocations: 51.77 kB / 0.5966 GB, free: 7.188 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 2.742e-05/0.1625, allocations: 12 kB / 0.5966 GB, free: 7.176 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001242/0.1627, allocations: 31.97 kB / 0.5967 GB, free: 7.145 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 3.138e-05/0.1627, allocations: 19.92 kB / 0.5967 GB, free: 7.125 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 6.291e-05/0.1628, allocations: 47.73 kB / 0.5967 GB, free: 7.078 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.0002213/0.163, allocations: 111.9 kB / 0.5968 GB, free: 6.969 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 4.638e-06/0.163, allocations: 0 / 0.5968 GB, free: 6.969 MB / 0.4981 GB Notification: Performance of FrontEnd: time 2.204e-06/0.163, allocations: 3.938 kB / 0.5968 GB, free: 6.965 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 6.893e-06/0.163, allocations: 0 / 0.5968 GB, free: 6.965 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 18 * Number of variables: 18 Notification: Performance of Generate backend data structure: time 0.0007577/0.1638, allocations: 403.1 kB / 0.5972 GB, free: 6.52 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 4.862e-05/0.1639, allocations: 12.03 kB / 0.5972 GB, free: 6.508 MB / 0.4981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 4.808e-05/0.1639, allocations: 38.75 kB / 0.5973 GB, free: 6.461 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001866/0.1658, allocations: 164.6 kB / 0.5974 GB, free: 6.301 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001549/0.166, allocations: 184 kB / 0.5976 GB, free: 6.082 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.411e-05/0.166, allocations: 8.375 kB / 0.5976 GB, free: 6.074 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.467e-05/0.166, allocations: 8.375 kB / 0.5976 GB, free: 6.066 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008043/0.1669, allocations: 176.6 kB / 0.5978 GB, free: 5.891 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.23e-05/0.1669, allocations: 3.938 kB / 0.5978 GB, free: 5.887 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.431e-05/0.1669, allocations: 4 kB / 0.5978 GB, free: 5.883 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.424e-06/0.1669, allocations: 4 kB / 0.5978 GB, free: 5.879 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00125/0.1682, allocations: 183.7 kB / 0.598 GB, free: 5.699 MB / 0.4981 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0016/0.1698, allocations: 484.3 kB / 0.5984 GB, free: 5.176 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001451/0.1713, allocations: 186.4 kB / 0.5986 GB, free: 4.984 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004829/0.1718, allocations: 60.78 kB / 0.5987 GB, free: 4.922 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 2.548e-05/0.1718, allocations: 4 kB / 0.5987 GB, free: 4.918 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.65e-05/0.1718, allocations: 38.56 kB / 0.5987 GB, free: 4.871 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=3): time 2.124e-06/0.1718, allocations: 0 / 0.5987 GB, free: 4.871 MB / 0.4981 GB Notification: Performance of matching and sorting (n=3): time 0.001619/0.1735, allocations: 221.3 kB / 0.5989 GB, free: 4.648 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.966e-05/0.1735, allocations: 51.41 kB / 0.599 GB, free: 4.586 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003526/0.1739, allocations: 182.2 kB / 0.5991 GB, free: 4.398 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 2.553e-05/0.1739, allocations: 29.7 kB / 0.5992 GB, free: 4.363 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 8.53e-05/0.174, allocations: 115.9 kB / 0.5993 GB, free: 4.246 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 2.207e-05/0.1741, allocations: 11.83 kB / 0.5993 GB, free: 4.234 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001064/0.1742, allocations: 29.61 kB / 0.5993 GB, free: 4.199 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 0.0001543/0.1743, allocations: 318.8 kB / 0.5996 GB, free: 3.879 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007031/0.175, allocations: 88.77 kB / 0.5997 GB, free: 3.789 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006403/0.1757, allocations: 102.5 kB / 0.5998 GB, free: 3.68 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001094/0.1768, allocations: 158.4 kB / 0.6 GB, free: 3.516 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.211e-06/0.1768, allocations: 4 kB / 0.6 GB, free: 3.512 MB / 0.4981 GB Notification: Performance of matching and sorting (n=7) (initialization): time 0.001356/0.1782, allocations: 217.4 kB / 0.6002 GB, free: 3.293 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 1.776e-05/0.1782, allocations: 4 kB / 0.6002 GB, free: 3.289 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.229e-05/0.1782, allocations: 11.98 kB / 0.6002 GB, free: 3.277 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.169e-05/0.1783, allocations: 7.938 kB / 0.6002 GB, free: 3.27 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004249/0.1787, allocations: 39.94 kB / 0.6002 GB, free: 3.23 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.414e-06/0.1787, allocations: 0 / 0.6002 GB, free: 3.23 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000516/0.1792, allocations: 39.95 kB / 0.6003 GB, free: 3.191 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.485e-05/0.1793, allocations: 3.984 kB / 0.6003 GB, free: 3.188 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002973/0.1796, allocations: 124.1 kB / 0.6004 GB, free: 3.062 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002507/0.1799, allocations: 77.97 kB / 0.6005 GB, free: 2.965 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003639/0.1802, allocations: 105.8 kB / 0.6006 GB, free: 2.84 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.044e-06/0.1802, allocations: 4 kB / 0.6006 GB, free: 2.836 MB / 0.4981 GB Notification: Performance of matching and sorting (n=7) (initialization_lambda0): time 0.000612/0.1809, allocations: 137.6 kB / 0.6007 GB, free: 2.695 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 1.685e-05/0.1809, allocations: 8 kB / 0.6007 GB, free: 2.688 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.597e-06/0.1809, allocations: 0 / 0.6007 GB, free: 2.688 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.813e-06/0.1809, allocations: 7.938 kB / 0.6007 GB, free: 2.68 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001994/0.1811, allocations: 23.92 kB / 0.6007 GB, free: 2.656 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.732e-05/0.1812, allocations: 4 kB / 0.6007 GB, free: 2.652 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003397/0.1815, allocations: 35.81 kB / 0.6008 GB, free: 2.617 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.473e-05/0.1815, allocations: 4 kB / 0.6008 GB, free: 2.613 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * 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 (7): * Single equations (assignments): 7 * Array equations: 0 * Algorithm blocks: 0 * 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 0.0001527/0.1817, allocations: 180.2 kB / 0.601 GB, free: 2.43 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.875e-05/0.1818, allocations: 7.906 kB / 0.601 GB, free: 2.422 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.665e-05/0.1818, allocations: 16.19 kB / 0.601 GB, free: 2.402 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.547e-06/0.1818, allocations: 0 / 0.601 GB, free: 2.402 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.7e-06/0.1819, allocations: 0 / 0.601 GB, free: 2.402 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.639e-06/0.1819, allocations: 4 kB / 0.601 GB, free: 2.398 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003816/0.1823, allocations: 205.8 kB / 0.6012 GB, free: 2.148 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.185e-06/0.1823, allocations: 0 / 0.6012 GB, free: 2.148 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003053/0.1826, allocations: 35.95 kB / 0.6012 GB, free: 2.113 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.039e-05/0.1826, allocations: 3.984 kB / 0.6012 GB, free: 2.109 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.177e-05/0.1826, allocations: 11.86 kB / 0.6012 GB, free: 2.098 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.104e-06/0.1827, allocations: 0 / 0.6012 GB, free: 2.098 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.124e-06/0.1827, allocations: 0 / 0.6012 GB, free: 2.098 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001062/0.1837, allocations: 259.3 kB / 0.6015 GB, free: 1.828 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001078/0.1839, allocations: 93 kB / 0.6016 GB, free: 1.719 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.945e-05/0.1839, allocations: 11.98 kB / 0.6016 GB, free: 1.707 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003824/0.1843, allocations: 23.97 kB / 0.6016 GB, free: 1.684 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.609e-05/0.1844, allocations: 11.94 kB / 0.6016 GB, free: 1.672 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.414e-05/0.1844, allocations: 3.984 kB / 0.6016 GB, free: 1.668 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.000297/0.1847, allocations: 150.5 kB / 0.6018 GB, free: 1.523 MB / 0.4981 GB Notification: Performance of sort global known variables: time 2.7e-07/0.1847, allocations: 0 / 0.6018 GB, free: 1.523 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.0005928/0.1853, allocations: 35.91 kB / 0.6018 GB, free: 1.488 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (3): * Single equations (assignments): 3 * Array equations: 0 * Algorithm blocks: 0 * 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 Backend phase and start with SimCode phase: time 0.00157/0.1869, allocations: 0.7942 MB / 0.6026 GB, free: 0.668 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.001428/0.1883, allocations: 207.8 kB / 0.6028 GB, free: 476 kB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 3.717e-06/0.1883, allocations: 4 kB / 0.6028 GB, free: 472 kB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.0004867/0.1888, allocations: 64.3 kB / 0.6028 GB, free: 408 kB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004404/0.1893, allocations: 11.58 kB / 0.6028 GB, free: 400 kB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2635/0.4528, allocations: 1.917 MB / 0.6047 GB, free: 42.79 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001205/0.453, allocations: 0.6949 MB / 0.6054 GB, free: 42.09 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 0.0001856/0.4531, allocations: 26.45 kB / 0.6054 GB, free: 42.09 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 9.728e-05/0.4533, allocations: 33.52 kB / 0.6055 GB, free: 42.08 MB / 0.4981 GB Notification: Performance of SimCode: time 6.81e-07/0.4533, allocations: 0 / 0.6055 GB, free: 42.08 MB / 0.4981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01934/0.4726, allocations: 2.956 MB / 0.6083 GB, free: 41.82 MB / 0.4981 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.63/13.1, allocations: 5.031 kB / 0.6083 GB, free: 41.82 MB / 0.4981 GB (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_BuildSysPro_BuildSysPro_IBPSA_Fluid_Movers_BaseClasses_Validation_PowerInterface_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 BuildSysPro_BuildSysPro_IBPSA_Fluid_Movers_BaseClasses_Validation_PowerInterface.fmu > BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe 2>&1)