Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe.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.FixedResistances.Examples.Pipe,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe") translateModel(BuildingSystems.Fluid.FixedResistances.Examples.Pipe,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001272/0.001272, allocations: 110.9 kB / 16.41 MB, free: 6.492 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001058/0.001058, allocations: 187 kB / 17.34 MB, free: 5.766 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.344/1.344, allocations: 222.9 MB / 241 MB, free: 15.18 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002331/0.002331, allocations: 297.3 kB / 291.5 MB, free: 14.48 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9661/0.9661, allocations: 169.2 MB / 0.499 GB, free: 4.473 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001921/0.001921, allocations: 103.8 kB / 0.6821 GB, free: 6.965 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4294/0.4314, allocations: 86.97 MB / 0.767 GB, free: 3.914 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.FixedResistances.Examples.Pipe): time 0.04499/0.4764, allocations: 46.51 MB / 0.8125 GB, free: 5.23 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.01666/0.4931, allocations: 11.87 MB / 0.8241 GB, free: 9.328 MB / 0.5919 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002207/0.4953, allocations: 63.69 kB / 0.8241 GB, free: 9.266 MB / 0.5919 GB Notification: Performance of NFTyping.typeComponents: time 0.001951/0.4973, allocations: 0.7062 MB / 0.8248 GB, free: 8.555 MB / 0.5919 GB Notification: Performance of NFTyping.typeBindings: time 0.006274/0.5036, allocations: 2.336 MB / 0.8271 GB, free: 6.207 MB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.004018/0.5077, allocations: 1.536 MB / 0.8286 GB, free: 4.684 MB / 0.5919 GB Notification: Performance of NFFlatten.flatten: time 0.006167/0.5138, allocations: 4.379 MB / 0.8329 GB, free: 300 kB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002085/0.5159, allocations: 1.576 MB / 0.8344 GB, free: 14.68 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003361/0.5193, allocations: 1.618 MB / 0.836 GB, free: 13.06 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001905/0.5212, allocations: 1.179 MB / 0.8371 GB, free: 11.88 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 0.0003225/0.5216, allocations: 148 kB / 0.8373 GB, free: 11.73 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0032/0.5248, allocations: 1.497 MB / 0.8387 GB, free: 10.23 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.0004313/0.5252, allocations: 394.6 kB / 0.8391 GB, free: 9.848 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.001081/0.5263, allocations: 0.871 MB / 0.84 GB, free: 8.973 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.00409/0.5304, allocations: 2.866 MB / 0.8428 GB, free: 6.102 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 4.528e-06/0.5304, allocations: 0 / 0.8428 GB, free: 6.102 MB / 0.6075 GB Notification: Performance of FrontEnd: time 1.633e-06/0.5305, allocations: 0 / 0.8428 GB, free: 6.102 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 2.271e-05/0.5305, allocations: 0 / 0.8428 GB, free: 6.102 MB / 0.6075 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 224 * Number of variables: 224 Notification: Performance of Generate backend data structure: time 0.003885/0.5344, allocations: 2.078 MB / 0.8448 GB, free: 3.969 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 3.712e-05/0.5344, allocations: 12.02 kB / 0.8448 GB, free: 3.957 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004746/0.5349, allocations: 182.6 kB / 0.845 GB, free: 3.777 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003697/0.5386, allocations: 2.061 MB / 0.847 GB, free: 1.664 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001008/0.5387, allocations: 99.64 kB / 0.8471 GB, free: 1.559 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001481/0.5389, allocations: 95.97 kB / 0.8472 GB, free: 1.465 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001989/0.5409, allocations: 1.17 MB / 0.8483 GB, free: 268 kB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.942e-05/0.5409, allocations: 15.84 kB / 0.8483 GB, free: 252 kB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.706e-05/0.541, allocations: 36 kB / 0.8484 GB, free: 216 kB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.709e-05/0.5411, allocations: 31.94 kB / 0.8484 GB, free: 184 kB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001619/0.5427, allocations: 0.9017 MB / 0.8493 GB, free: 15.27 MB / 0.6231 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 0.005805/0.5485, allocations: 4.668 MB / 0.8538 GB, free: 10.32 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0009733/0.5495, allocations: 0.5279 MB / 0.8543 GB, free: 9.789 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005184/0.55, allocations: 312.8 kB / 0.8546 GB, free: 9.484 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009016/0.5509, allocations: 0.9187 MB / 0.8555 GB, free: 8.363 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.739e-05/0.551, allocations: 51.06 kB / 0.8556 GB, free: 8.301 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=56): time 3.857e-06/0.551, allocations: 7.922 kB / 0.8556 GB, free: 8.293 MB / 0.6231 GB Notification: Performance of matching and sorting (n=56): time 0.001813/0.5528, allocations: 0.841 MB / 0.8564 GB, free: 7.449 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.793e-05/0.5529, allocations: 55.97 kB / 0.8565 GB, free: 7.383 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001599/0.5545, allocations: 1.247 MB / 0.8577 GB, free: 6.129 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 6.8e-05/0.5546, allocations: 41.7 kB / 0.8577 GB, free: 6.082 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004989/0.5551, allocations: 0.6024 MB / 0.8583 GB, free: 5.473 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001791/0.5553, allocations: 205.1 kB / 0.8585 GB, free: 5.27 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000188/0.5554, allocations: 126.2 kB / 0.8586 GB, free: 5.141 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001186/0.5556, allocations: 334 kB / 0.859 GB, free: 4.809 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004596/0.556, allocations: 255.3 kB / 0.8592 GB, free: 4.555 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00058/0.5566, allocations: 421.8 kB / 0.8596 GB, free: 4.078 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001002/0.5576, allocations: 0.6506 MB / 0.8602 GB, free: 3.379 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.721e-06/0.5577, allocations: 4 kB / 0.8602 GB, free: 3.375 MB / 0.6231 GB Notification: Performance of matching and sorting (n=77) (initialization): time 0.001492/0.5592, allocations: 0.8133 MB / 0.861 GB, free: 2.551 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.711e-05/0.5592, allocations: 4 kB / 0.861 GB, free: 2.547 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.528e-06/0.5592, allocations: 4 kB / 0.861 GB, free: 2.543 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.004e-05/0.5592, allocations: 8 kB / 0.861 GB, free: 2.535 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008708/0.5601, allocations: 188.3 kB / 0.8612 GB, free: 2.352 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000667/0.5608, allocations: 1.188 MB / 0.8624 GB, free: 1.117 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000736/0.5615, allocations: 83.38 kB / 0.8625 GB, free: 1.035 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.828e-05/0.5616, allocations: 31.98 kB / 0.8625 GB, free: 1.004 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009436/0.5625, allocations: 0.5987 MB / 0.8631 GB, free: 408 kB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005909/0.5631, allocations: 409.8 kB / 0.8635 GB, free: 15.93 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009827/0.5641, allocations: 0.6467 MB / 0.8641 GB, free: 15.23 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.475e-06/0.5642, allocations: 8 kB / 0.8641 GB, free: 15.22 MB / 0.6387 GB Notification: Performance of matching and sorting (n=77) (initialization_lambda0): time 0.001375/0.5655, allocations: 0.7983 MB / 0.8649 GB, free: 14.42 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 1.647e-05/0.5656, allocations: 16 kB / 0.8649 GB, free: 14.4 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.753e-06/0.5656, allocations: 4.219 kB / 0.8649 GB, free: 14.4 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.899e-06/0.5656, allocations: 8 kB / 0.8649 GB, free: 14.39 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005607/0.5662, allocations: 159.7 kB / 0.8651 GB, free: 14.23 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.107e-06/0.5662, allocations: 8 kB / 0.8651 GB, free: 14.23 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006671/0.5668, allocations: 59.56 kB / 0.8651 GB, free: 14.17 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.913e-05/0.5669, allocations: 24 kB / 0.8652 GB, free: 14.14 MB / 0.6387 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * 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 (77): * Single equations (assignments): 75 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002257/0.5671, allocations: 228.1 kB / 0.8654 GB, free: 13.91 MB / 0.6387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000216/0.5674, allocations: 134.3 kB / 0.8655 GB, free: 13.78 MB / 0.6387 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001615/0.569, allocations: 0.8548 MB / 0.8663 GB, free: 12.91 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.492e-05/0.569, allocations: 8 kB / 0.8663 GB, free: 12.9 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.05e-06/0.569, allocations: 0 / 0.8663 GB, free: 12.9 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001038/0.5701, allocations: 0.6892 MB / 0.867 GB, free: 12.18 MB / 0.6387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002941/0.573, allocations: 1.961 MB / 0.8689 GB, free: 10.16 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.639e-06/0.573, allocations: 0 / 0.8689 GB, free: 10.16 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006118/0.5737, allocations: 135.8 kB / 0.8691 GB, free: 10.03 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.358e-06/0.5737, allocations: 4 kB / 0.8691 GB, free: 10.03 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.614e-05/0.5737, allocations: 24.08 kB / 0.8691 GB, free: 10 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005585/0.5743, allocations: 1.18 MB / 0.8702 GB, free: 8.777 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.633e-06/0.5743, allocations: 0 / 0.8702 GB, free: 8.777 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001916/0.5762, allocations: 1.212 MB / 0.8714 GB, free: 7.539 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004646/0.5767, allocations: 299.2 kB / 0.8717 GB, free: 7.227 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001585/0.5769, allocations: 12 kB / 0.8717 GB, free: 7.215 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006619/0.5775, allocations: 43.91 kB / 0.8718 GB, free: 7.172 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.626e-05/0.5776, allocations: 44.44 kB / 0.8718 GB, free: 7.129 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.946e-05/0.5777, allocations: 31.97 kB / 0.8718 GB, free: 7.098 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.00119/0.5789, allocations: 0.8719 MB / 0.8727 GB, free: 6.223 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.6e-07/0.5789, allocations: 0 / 0.8727 GB, free: 6.223 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.001638/0.5806, allocations: 0.7095 MB / 0.8734 GB, free: 5.512 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 4 (pip1.vol[1].dynBal.U,pip2.vol[1].dynBal.U,senTem.T,senTem1.T) * 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 (62): * Single equations (assignments): 54 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0008964/0.5815, allocations: 484.7 kB / 0.8738 GB, free: 5.035 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.002199/0.5837, allocations: 1.035 MB / 0.8749 GB, free: 4.004 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 3.857e-06/0.5837, allocations: 0 / 0.8749 GB, free: 4.004 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0006655/0.5844, allocations: 347 kB / 0.8752 GB, free: 3.664 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00334/0.5877, allocations: 0.78 MB / 0.8759 GB, free: 2.902 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003757/0.5915, allocations: 2.488 MB / 0.8784 GB, free: 376 kB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007768/0.5923, allocations: 1.289 MB / 0.8796 GB, free: 15.05 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002962/0.5926, allocations: 123.4 kB / 0.8798 GB, free: 14.93 MB / 0.6544 GB Notification: Performance of SimCode: time 4.81e-07/0.5926, allocations: 0 / 0.8798 GB, free: 14.93 MB / 0.6544 GB Notification: Performance of Templates: time 0.04577/0.6384, allocations: 38.32 MB / 0.9172 GB, free: 8.828 MB / 0.6856 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe.sim & ./BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.Pipe.pipe 2>&1)