Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain")
translateModel(Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.893/2.893, allocations: 287.3 MB / 302.3 MB, free: 8.379 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001606/0.001606, allocations: 185.8 kB / 370.8 MB, free: 10.85 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.07/2.07, allocations: 205.4 MB / 0.6295 GB, free: 10.59 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001159/0.001159, allocations: 113.1 kB / 0.7428 GB, free: 6.594 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.000651/0.0006512, allocations: 15.12 kB / 0.8656 GB, free: 141.1 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2208/0.2214, allocations: 115.3 MB / 0.9782 GB, free: 28.4 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain): time 0.9344/1.156, allocations: 167.4 MB / 1.142 GB, free: 14.41 MB / 0.698 GB
Notification: Performance of NFInst.instExpressions: time 0.02309/1.179, allocations: 9.387 MB / 1.151 GB, free: 8.891 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003567/1.183, allocations: 53.81 kB / 1.151 GB, free: 8.867 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.007037/1.19, allocations: 2.763 MB / 1.154 GB, free: 7.355 MB / 0.698 GB
Notification: Performance of NFTyping.typeBindings: time 0.01231/1.202, allocations: 3.193 MB / 1.157 GB, free: 5.117 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.007598/1.21, allocations: 1.519 MB / 1.158 GB, free: 4.055 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.0071/1.217, allocations: 2.434 MB / 1.161 GB, free: 2.555 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003954/1.221, allocations: 1.543 MB / 1.162 GB, free: 1.641 MB / 0.698 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004264/1.225, allocations: 1.271 MB / 1.163 GB, free: 0.9648 MB / 0.698 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004242/1.23, allocations: 1.623 MB / 1.165 GB, free: 216 kB / 0.698 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007048/1.23, allocations: 67.06 kB / 1.165 GB, free: 216 kB / 0.698 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004027/1.234, allocations: 0.7218 MB / 1.166 GB, free: 15.91 MB / 0.7136 GB
Notification: Performance of NFScalarize.scalarize: time 0.001707/1.236, allocations: 0.7518 MB / 1.166 GB, free: 15.49 MB / 0.7136 GB
Notification: Performance of NFVerifyModel.verify: time 0.001134/1.237, allocations: 491.7 kB / 1.167 GB, free: 15.19 MB / 0.7136 GB
Notification: Performance of NFConvertDAE.convert: time 0.005552/1.243, allocations: 2.602 MB / 1.169 GB, free: 13.46 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 3.577e-06/1.243, allocations: 3.938 kB / 1.169 GB, free: 13.46 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 2.605e-06/1.243, allocations: 6.375 kB / 1.169 GB, free: 13.45 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.000155/1.243, allocations: 0 / 1.169 GB, free: 13.45 MB / 0.7136 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 312
 * Number of variables: 312
Notification: Performance of Generate backend data structure: time 0.00803/1.251, allocations: 2.799 MB / 1.172 GB, free: 11.4 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 4.564e-05/1.251, allocations: 7.344 kB / 1.172 GB, free: 11.4 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002808/1.254, allocations: 462.2 kB / 1.173 GB, free: 11.17 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004328/1.258, allocations: 1.425 MB / 1.174 GB, free: 10.11 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003064/1.259, allocations: 141.5 kB / 1.174 GB, free: 10.03 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004393/1.259, allocations: 128.9 kB / 1.174 GB, free: 9.984 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.00485/1.264, allocations: 1.503 MB / 1.176 GB, free: 9.066 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.105e-05/1.264, allocations: 2.906 kB / 1.176 GB, free: 9.066 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001965/1.264, allocations: 50.28 kB / 1.176 GB, free: 9.027 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.191e-05/1.264, allocations: 44.33 kB / 1.176 GB, free: 9.023 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00446/1.269, allocations: 1.262 MB / 1.177 GB, free: 8.395 MB / 0.7136 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 0.01788/1.287, allocations: 6.434 MB / 1.183 GB, free: 3.16 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.006606/1.294, allocations: 1.36 MB / 1.185 GB, free: 2.402 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004882/1.294, allocations: 109.5 kB / 1.185 GB, free: 2.301 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0033/1.297, allocations: 0.6787 MB / 1.185 GB, free: 1.891 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=112): time 7.744e-06/1.297, allocations: 0 / 1.185 GB, free: 1.891 MB / 0.7136 GB
Notification: Performance of matching and sorting (n=112): time 0.01401/1.311, allocations: 2.377 MB / 1.188 GB, free: 0.6094 MB / 0.7136 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001047/1.312, allocations: 65.5 kB / 1.188 GB, free: 0.543 MB / 0.7136 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01178/1.323, allocations: 4.011 MB / 1.192 GB, free: 14.19 MB / 0.7292 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004055/1.324, allocations: 57.69 kB / 1.192 GB, free: 14.12 MB / 0.7292 GB
Notification: Performance of collectInitialEqns (initialization): time 0.002807/1.327, allocations: 1.275 MB / 1.193 GB, free: 12.84 MB / 0.7292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009767/1.328, allocations: 370.8 kB / 1.193 GB, free: 12.47 MB / 0.7292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001473/1.328, allocations: 24 kB / 1.193 GB, free: 12.45 MB / 0.7292 GB
Notification: Performance of setup shared object (initialization): time 0.0002885/1.328, allocations: 357.9 kB / 1.194 GB, free: 12.09 MB / 0.7292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002505/1.331, allocations: 482.3 kB / 1.194 GB, free: 11.62 MB / 0.7292 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002944/1.334, allocations: 0.7222 MB / 1.195 GB, free: 10.81 MB / 0.7292 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00294/1.337, allocations: 0.5714 MB / 1.195 GB, free: 10.24 MB / 0.7292 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.157e-05/1.337, allocations: 4 kB / 1.195 GB, free: 10.24 MB / 0.7292 GB
Notification: Performance of matching and sorting (n=153) (initialization): time 0.008595/1.345, allocations: 1.717 MB / 1.197 GB, free: 8.504 MB / 0.7292 GB
Notification: Performance of prepare postOptimizeDAE: time 4.612e-05/1.346, allocations: 8 kB / 1.197 GB, free: 8.496 MB / 0.7292 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.484e-05/1.346, allocations: 8 kB / 1.197 GB, free: 8.488 MB / 0.7292 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001567/1.347, allocations: 225.9 kB / 1.197 GB, free: 8.262 MB / 0.7292 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002746/1.35, allocations: 235.6 kB / 1.198 GB, free: 8.031 MB / 0.7292 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01058/1.361, allocations: 4.317 MB / 1.202 GB, free: 3.457 MB / 0.7292 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003447/1.364, allocations: 181.6 kB / 1.202 GB, free: 3.281 MB / 0.7292 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003616/1.365, allocations: 59.86 kB / 1.202 GB, free: 3.223 MB / 0.7292 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 27
 * Number of states: 0 ()
 * Number of discrete variables: 35 ($PRE.assEqu.nFai,assEqu.nFai,$whenCondition8,$whenCondition7,$PRE.intGai.nextTimeEvent,$whenCondition6,$PRE.reference.nextTimeEvent,$whenCondition5,$PRE.outdoorTemp.nextTimeEvent,$whenCondition4,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition3,$PRE.ventRate.nextTimeEvent,$whenCondition1,$whenCondition2,reference.nextTimeEvent,$PRE.reference.nextTimeEventScaled,reference.nextTimeEventScaled,$PRE.assEqu.satisfied,assEqu.satisfied,$PRE.mean.y,mean.y,intGai.nextTimeEvent,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEventScaled,outdoorTemp.nextTimeEvent,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,ventRate.nextTimeEvent,$PRE.ventRate.nextTimeEventScaled,ventRate.nextTimeEventScaled)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (135):
 * Single equations (assignments): 133
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 2 {(2,100.0%) 14,(1,100.0%) 3}
 * Non-linear torn systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.003325/1.368, allocations: 0.8022 MB / 1.203 GB, free: 2.41 MB / 0.7292 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00105/1.369, allocations: 268.5 kB / 1.203 GB, free: 2.145 MB / 0.7292 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.008132/1.377, allocations: 1.659 MB / 1.205 GB, free: 468 kB / 0.7292 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.995e-05/1.377, allocations: 12 kB / 1.205 GB, free: 456 kB / 0.7292 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.591e-05/1.377, allocations: 4 kB / 1.205 GB, free: 452 kB / 0.7292 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00655/1.384, allocations: 1.44 MB / 1.206 GB, free: 14.95 MB / 0.7448 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 0.01619/1.4, allocations: 3.636 MB / 1.21 GB, free: 11.21 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.152e-05/1.4, allocations: 4 kB / 1.21 GB, free: 11.21 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002489/1.403, allocations: 176 kB / 1.21 GB, free: 11.04 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.001436/1.404, allocations: 208.3 kB / 1.21 GB, free: 10.83 MB / 0.7448 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003173/1.404, allocations: 31.98 kB / 1.21 GB, free: 10.8 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01037/1.415, allocations: 4.3 MB / 1.214 GB, free: 6.238 MB / 0.7448 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.538e-06/1.415, allocations: 7.969 kB / 1.214 GB, free: 6.23 MB / 0.7448 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01087/1.426, allocations: 2.529 MB / 1.217 GB, free: 3.609 MB / 0.7448 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00212/1.428, allocations: 453.4 kB / 1.217 GB, free: 3.145 MB / 0.7448 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008119/1.429, allocations: 28 kB / 1.217 GB, free: 3.117 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003022/1.432, allocations: 107.8 kB / 1.217 GB, free: 3.012 MB / 0.7448 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006395/1.433, allocations: 100.8 kB / 1.217 GB, free: 2.914 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002317/1.433, allocations: 43.94 kB / 1.217 GB, free: 2.871 MB / 0.7448 GB
Notification: Performance of sorting global known variables: time 0.009128/1.442, allocations: 2.908 MB / 1.22 GB, free: 15.96 MB / 0.7605 GB
Notification: Performance of sort global known variables: time 4.588e-06/1.442, allocations: 0 / 1.22 GB, free: 15.96 MB / 0.7605 GB
Notification: Performance of remove unused functions: time 0.004105/1.446, allocations: 0.5145 MB / 1.221 GB, free: 15.45 MB / 0.7605 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 7
 * Number of states: 6 (thermalZoneTwoElements.volMoiAir.dynBal.U,thermalZoneTwoElements.volMoiAir.dynBal.m,thermalZoneTwoElements.volMoiAir.dynBal.mXi[1],thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,mean.x)
 * Number of discrete variables: 22 ($whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,outdoorTemp.nextTimeEvent,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,ventRate.nextTimeEvent,ventRate.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y)
 * Number of discrete states: 13 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp.nextTimeEvent,tableSolRadWindow.nextTimeEvent,ventRate.nextTimeEvent,mean.x,ventRate.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,reference.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,intGai.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (94):
 * Single equations (assignments): 80
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 12
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 2 {(2,100.0%) 14,(1,100.0%) 3}
 * Non-linear torn systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.003023/1.449, allocations: 0.5979 MB / 1.221 GB, free: 15.04 MB / 0.7605 GB
Notification: Performance of simCode: created initialization part: time 0.00727/1.457, allocations: 1.51 MB / 1.223 GB, free: 13.5 MB / 0.7605 GB
Notification: Performance of simCode: created event and clocks part: time 1.04e-05/1.457, allocations: 0 / 1.223 GB, free: 13.5 MB / 0.7605 GB
Notification: Performance of simCode: created simulation system equations: time 0.004242/1.461, allocations: 0.9332 MB / 1.224 GB, free: 12.54 MB / 0.7605 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007196/1.468, allocations: 0.541 MB / 1.224 GB, free: 12.01 MB / 0.7605 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02288/1.491, allocations: 6.396 MB / 1.231 GB, free: 5.566 MB / 0.7605 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004892/1.496, allocations: 1.964 MB / 1.232 GB, free: 3.57 MB / 0.7605 GB
Notification: Performance of simCode: alias equations: time 0.002892/1.499, allocations: 318.7 kB / 1.233 GB, free: 3.254 MB / 0.7605 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009164/1.5, allocations: 107.4 kB / 1.233 GB, free: 3.148 MB / 0.7605 GB
Notification: Performance of SimCode: time 1.543e-06/1.5, allocations: 0 / 1.233 GB, free: 3.148 MB / 0.7605 GB
Notification: Performance of Templates: time 0.11/1.61, allocations: 23.21 MB / 1.256 GB, free: 12.13 MB / 0.7917 GB
make -j1 -f Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.makefile
(rm -f Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.pipe ; mkfifo Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.pipe ; head -c 1048576 < Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.pipe >> ../files/Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.sim & ./Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8.0.0_Buildings.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.pipe 2>&1)