Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva.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.Chillers.Examples.Carnot_TEva,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva") translateModel(BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001043/0.001043, allocations: 105.8 kB / 16.37 MB, free: 6.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00116/0.00116, allocations: 195.8 kB / 17.31 MB, free: 5.82 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.27/1.27, allocations: 222.9 MB / 241 MB, free: 15.19 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001969/0.001969, allocations: 275 kB / 291.4 MB, free: 14.51 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.8995/0.8995, allocations: 169.3 MB / 0.4989 GB, free: 4.488 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001795/0.001796, allocations: 98.59 kB / 0.5967 GB, free: 14.48 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1566/0.1584, allocations: 86.97 MB / 0.6816 GB, free: 7.5 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva): time 0.3413/0.4997, allocations: 61.13 MB / 0.7413 GB, free: 10 MB / 0.5137 GB Notification: Performance of NFInst.instExpressions: time 0.01752/0.5173, allocations: 11.99 MB / 0.753 GB, free: 392 kB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002362/0.5197, allocations: 59.97 kB / 0.7531 GB, free: 368 kB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.001877/0.5215, allocations: 0.6831 MB / 0.7537 GB, free: 15.77 MB / 0.5294 GB Notification: Performance of NFTyping.typeBindings: time 0.005321/0.5269, allocations: 1.964 MB / 0.7556 GB, free: 14.19 MB / 0.5294 GB Notification: Performance of NFTyping.typeClassSections: time 0.002929/0.5299, allocations: 1.197 MB / 0.7568 GB, free: 13.27 MB / 0.5294 GB Notification: Performance of NFFlatten.flatten: time 0.003976/0.5339, allocations: 3.11 MB / 0.7599 GB, free: 11.41 MB / 0.5294 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001407/0.5353, allocations: 1.083 MB / 0.7609 GB, free: 10.71 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002884/0.5382, allocations: 1.332 MB / 0.7622 GB, free: 9.883 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001304/0.5395, allocations: 0.8903 MB / 0.7631 GB, free: 9.34 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.0001591/0.5397, allocations: 122.6 kB / 0.7632 GB, free: 9.332 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002887/0.5426, allocations: 1.45 MB / 0.7646 GB, free: 8.535 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.000256/0.5428, allocations: 288.3 kB / 0.7649 GB, free: 8.301 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.0006868/0.5435, allocations: 0.6944 MB / 0.7656 GB, free: 7.832 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.003267/0.5468, allocations: 2.303 MB / 0.7678 GB, free: 6.328 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 4.368e-06/0.5468, allocations: 0 / 0.7678 GB, free: 6.328 MB / 0.5294 GB Notification: Performance of FrontEnd: time 1.493e-06/0.5468, allocations: 0 / 0.7678 GB, free: 6.328 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 1.991e-05/0.5469, allocations: 0 / 0.7678 GB, free: 6.328 MB / 0.5294 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 192 * Number of variables: 192 Notification: Performance of Generate backend data structure: time 0.00296/0.5498, allocations: 1.726 MB / 0.7695 GB, free: 4.883 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 3.818e-05/0.5499, allocations: 12.02 kB / 0.7695 GB, free: 4.871 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00206/0.5519, allocations: 402.9 kB / 0.7699 GB, free: 4.477 MB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002209/0.5542, allocations: 1.168 MB / 0.771 GB, free: 3.254 MB / 0.5294 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.513e-05/0.5542, allocations: 65.98 kB / 0.7711 GB, free: 3.188 MB / 0.5294 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001116/0.5544, allocations: 88.88 kB / 0.7712 GB, free: 3.102 MB / 0.5294 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001787/0.5561, allocations: 0.9975 MB / 0.7722 GB, free: 2.047 MB / 0.5294 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.708e-05/0.5562, allocations: 0 / 0.7722 GB, free: 2.047 MB / 0.5294 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.78e-05/0.5563, allocations: 32 kB / 0.7722 GB, free: 2.016 MB / 0.5294 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.546e-05/0.5563, allocations: 20 kB / 0.7722 GB, free: 1.996 MB / 0.5294 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001975/0.5583, allocations: 0.8508 MB / 0.773 GB, free: 1.141 MB / 0.5294 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 0.006042/0.5643, allocations: 5.215 MB / 0.7781 GB, free: 11.55 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003009/0.5673, allocations: 0.789 MB / 0.7789 GB, free: 10.76 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006232/0.568, allocations: 302.3 kB / 0.7792 GB, free: 10.46 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006489/0.5686, allocations: 0.8986 MB / 0.7801 GB, free: 9.359 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.768e-05/0.5687, allocations: 42.5 kB / 0.7801 GB, free: 9.309 MB / 0.545 GB Notification: Performance of pre-optimization done (n=43): time 2.315e-06/0.5687, allocations: 0 / 0.7801 GB, free: 9.309 MB / 0.545 GB Notification: Performance of matching and sorting (n=43): time 0.006235/0.5749, allocations: 1.69 MB / 0.7818 GB, free: 7.59 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.402e-05/0.575, allocations: 59.34 kB / 0.7818 GB, free: 7.52 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001481/0.5765, allocations: 1.08 MB / 0.7829 GB, free: 6.426 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 6.096e-05/0.5766, allocations: 37.7 kB / 0.7829 GB, free: 6.383 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003928/0.577, allocations: 0.5389 MB / 0.7834 GB, free: 5.84 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001154/0.5771, allocations: 145.8 kB / 0.7836 GB, free: 5.695 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002088/0.5773, allocations: 134.2 kB / 0.7837 GB, free: 5.559 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0001053/0.5774, allocations: 333.9 kB / 0.784 GB, free: 5.227 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007803/0.5782, allocations: 303.3 kB / 0.7843 GB, free: 4.926 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001015/0.5792, allocations: 0.529 MB / 0.7848 GB, free: 4.297 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001509/0.5807, allocations: 0.7183 MB / 0.7855 GB, free: 3.508 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.858e-06/0.5807, allocations: 0 / 0.7855 GB, free: 3.508 MB / 0.545 GB Notification: Performance of matching and sorting (n=71) (initialization): time 0.002386/0.5831, allocations: 1.004 MB / 0.7865 GB, free: 2.492 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 1.845e-05/0.5832, allocations: 8 kB / 0.7865 GB, free: 2.484 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.108e-05/0.5832, allocations: 4.75 kB / 0.7865 GB, free: 2.48 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001162/0.5844, allocations: 304.6 kB / 0.7868 GB, free: 2.18 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005305/0.5849, allocations: 131.8 kB / 0.7869 GB, free: 2.051 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001298/0.5862, allocations: 0.8995 MB / 0.7878 GB, free: 1.125 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001189/0.5874, allocations: 155.2 kB / 0.788 GB, free: 0.9727 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.33e-05/0.5875, allocations: 35.98 kB / 0.788 GB, free: 0.9375 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001078/0.5886, allocations: 0.5102 MB / 0.7885 GB, free: 436 kB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009294/0.5895, allocations: 0.5212 MB / 0.789 GB, free: 15.8 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001445/0.591, allocations: 0.706 MB / 0.7897 GB, free: 15.03 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.896e-06/0.591, allocations: 7.938 kB / 0.7897 GB, free: 15.02 MB / 0.5606 GB Notification: Performance of matching and sorting (n=71) (initialization_lambda0): time 0.0024/0.5934, allocations: 1.001 MB / 0.7907 GB, free: 14.01 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 1.402e-05/0.5934, allocations: 8 kB / 0.7907 GB, free: 14 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.993e-06/0.5934, allocations: 4 kB / 0.7907 GB, free: 14 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000987/0.5944, allocations: 303.2 kB / 0.791 GB, free: 13.7 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005101/0.5949, allocations: 131.8 kB / 0.7911 GB, free: 13.57 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001227/0.5962, allocations: 0.8918 MB / 0.792 GB, free: 12.65 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001202/0.5974, allocations: 135.5 kB / 0.7921 GB, free: 12.52 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.502e-05/0.5975, allocations: 31.98 kB / 0.7921 GB, free: 12.48 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 23 * 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 (57): * Single equations (assignments): 56 * Array equations: 0 * 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 {(1,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0002207/0.5977, allocations: 220.1 kB / 0.7923 GB, free: 12.26 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001691/0.5979, allocations: 106.7 kB / 0.7924 GB, free: 12.16 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002126/0.6, allocations: 0.9144 MB / 0.7933 GB, free: 11.22 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.181e-05/0.6, allocations: 12 kB / 0.7933 GB, free: 11.21 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.14e-06/0.6, allocations: 0 / 0.7933 GB, free: 11.21 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.783e-06/0.6001, allocations: 3.984 kB / 0.7934 GB, free: 11.21 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004631/0.6047, allocations: 2.142 MB / 0.7954 GB, free: 8.984 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.482e-06/0.6047, allocations: 0 / 0.7954 GB, free: 8.984 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002695/0.605, allocations: 63.89 kB / 0.7955 GB, free: 8.922 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00088/0.6059, allocations: 293 kB / 0.7958 GB, free: 8.637 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.681e-05/0.6059, allocations: 16 kB / 0.7958 GB, free: 8.621 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001282/0.6072, allocations: 0.9269 MB / 0.7967 GB, free: 7.668 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.787e-06/0.6072, allocations: 0 / 0.7967 GB, free: 7.668 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003253/0.6105, allocations: 1.163 MB / 0.7978 GB, free: 6.457 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004658/0.611, allocations: 267.5 kB / 0.7981 GB, free: 6.176 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001382/0.6111, allocations: 12 kB / 0.7981 GB, free: 6.164 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000765/0.6119, allocations: 71.91 kB / 0.7982 GB, free: 6.094 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.863e-05/0.612, allocations: 39.83 kB / 0.7982 GB, free: 6.055 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.241e-05/0.612, allocations: 27.98 kB / 0.7982 GB, free: 6.027 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.001091/0.6131, allocations: 0.7473 MB / 0.799 GB, free: 5.273 MB / 0.5606 GB Notification: Performance of sort global known variables: time 1.8e-07/0.6131, allocations: 0 / 0.799 GB, free: 5.273 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.001499/0.6146, allocations: 0.5615 MB / 0.7995 GB, free: 4.711 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * 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 (33): * Single equations (assignments): 28 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {(1,16)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008934/0.6155, allocations: 388.9 kB / 0.7999 GB, free: 4.328 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.003182/0.6187, allocations: 1.117 MB / 0.801 GB, free: 3.215 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 6.543e-06/0.6188, allocations: 4.188 kB / 0.801 GB, free: 3.211 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.0008373/0.6196, allocations: 338.4 kB / 0.8013 GB, free: 2.879 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002464/0.6221, allocations: 0.5034 MB / 0.8018 GB, free: 2.383 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0049/0.627, allocations: 2.029 MB / 0.8038 GB, free: 304 kB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005806/0.6276, allocations: 1.065 MB / 0.8048 GB, free: 15.2 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.0008479/0.6285, allocations: 224.8 kB / 0.805 GB, free: 14.98 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001777/0.6287, allocations: 79.42 kB / 0.8051 GB, free: 14.9 MB / 0.5762 GB Notification: Performance of SimCode: time 8.41e-07/0.6287, allocations: 0 / 0.8051 GB, free: 14.9 MB / 0.5762 GB Notification: Performance of Templates: time 0.03797/0.6666, allocations: 24.87 MB / 0.8294 GB, free: 6.371 MB / 0.5919 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva.sim & ./BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Chillers.Examples.Carnot_TEva.pipe 2>&1)