Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor") translateModel(IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001491/0.001492, allocations: 109.7 kB / 16.64 MB, free: 6.812 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001645/0.001645, allocations: 190 kB / 17.57 MB, free: 5.918 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.36/1.36, allocations: 222.9 MB / 241.2 MB, free: 15.42 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7907/0.7907, allocations: 122.9 MB / 414.2 MB, free: 88 kB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001551/0.001551, allocations: 59.91 kB / 0.4912 GB, free: 7.809 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4566/0.4582, allocations: 77.91 MB / 0.5673 GB, free: 32.66 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor): time 0.023/0.4812, allocations: 23.1 MB / 0.5899 GB, free: 15.96 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.009633/0.4909, allocations: 6.456 MB / 0.5962 GB, free: 10.75 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001612/0.4925, allocations: 25.53 kB / 0.5962 GB, free: 10.74 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001226/0.4938, allocations: 342.6 kB / 0.5965 GB, free: 10.48 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003179/0.497, allocations: 1.025 MB / 0.5975 GB, free: 9.723 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002915/0.4999, allocations: 0.9812 MB / 0.5985 GB, free: 9.047 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.002815/0.5028, allocations: 2.005 MB / 0.6005 GB, free: 7.906 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001042/0.5038, allocations: 0.7365 MB / 0.6012 GB, free: 7.43 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00152/0.5054, allocations: 0.8283 MB / 0.602 GB, free: 6.953 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0009248/0.5063, allocations: 0.7266 MB / 0.6027 GB, free: 6.523 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001468/0.5064, allocations: 75.75 kB / 0.6028 GB, free: 6.52 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001723/0.5082, allocations: 1.004 MB / 0.6037 GB, free: 5.664 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001826/0.5084, allocations: 215.1 kB / 0.604 GB, free: 5.453 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003744/0.5088, allocations: 0.4933 MB / 0.6044 GB, free: 4.957 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001127/0.5099, allocations: 1.076 MB / 0.6055 GB, free: 3.879 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.4e-06/0.5099, allocations: 0 / 0.6055 GB, free: 3.879 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.473e-06/0.5099, allocations: 0 / 0.6055 GB, free: 3.879 MB / 446.1 MB Notification: Performance of Transformations before backend: time 1.352e-05/0.5099, allocations: 4 kB / 0.6055 GB, free: 3.875 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 140 * Number of variables: 140 Notification: Performance of Generate backend data structure: time 0.001953/0.5119, allocations: 1.403 MB / 0.6069 GB, free: 2.41 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.772e-05/0.5119, allocations: 16.55 kB / 0.6069 GB, free: 2.395 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001793/0.5121, allocations: 115.6 kB / 0.607 GB, free: 2.281 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008124/0.5129, allocations: 0.6679 MB / 0.6076 GB, free: 1.57 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.963e-05/0.513, allocations: 49.31 kB / 0.6077 GB, free: 1.523 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.765e-05/0.5131, allocations: 60 kB / 0.6077 GB, free: 1.465 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008847/0.514, allocations: 0.6624 MB / 0.6084 GB, free: 0.7617 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.683e-05/0.514, allocations: 0 / 0.6084 GB, free: 0.7617 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.059e-05/0.5141, allocations: 24 kB / 0.6084 GB, free: 0.7383 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.144e-05/0.5141, allocations: 12 kB / 0.6084 GB, free: 0.7266 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006786/0.5148, allocations: 456.9 kB / 0.6089 GB, free: 284 kB / 446.1 MB 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 0.003554/0.5183, allocations: 2.538 MB / 0.6113 GB, free: 13.6 MB / 462.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0007408/0.5191, allocations: 362.2 kB / 0.6117 GB, free: 13.24 MB / 462.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.000338/0.5194, allocations: 188.6 kB / 0.6119 GB, free: 13.05 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0003254/0.5198, allocations: 340.6 kB / 0.6122 GB, free: 12.64 MB / 462.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006505/0.5204, allocations: 329.1 kB / 0.6125 GB, free: 12.29 MB / 462.1 MB Notification: Performance of pre-optimization done (n=37): time 1.683e-06/0.5204, allocations: 3.938 kB / 0.6125 GB, free: 12.29 MB / 462.1 MB Notification: Performance of matching and sorting (n=37): time 0.001423/0.5219, allocations: 0.69 MB / 0.6132 GB, free: 11.59 MB / 462.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000136/0.522, allocations: 235.6 kB / 0.6134 GB, free: 11.3 MB / 462.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001042/0.5231, allocations: 0.8523 MB / 0.6142 GB, free: 10.43 MB / 462.1 MB Notification: Performance of collectPreVariables (initialization): time 6.269e-05/0.5231, allocations: 41.7 kB / 0.6143 GB, free: 10.38 MB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003654/0.5235, allocations: 444.2 kB / 0.6147 GB, free: 9.941 MB / 462.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001215/0.5236, allocations: 118.3 kB / 0.6148 GB, free: 9.824 MB / 462.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002317/0.5239, allocations: 134.1 kB / 0.6149 GB, free: 9.688 MB / 462.1 MB Notification: Performance of setup shared object (initialization): time 0.0001324/0.524, allocations: 326 kB / 0.6153 GB, free: 9.363 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004446/0.5245, allocations: 215.1 kB / 0.6155 GB, free: 9.152 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005703/0.5251, allocations: 367.7 kB / 0.6158 GB, free: 8.73 MB / 462.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009028/0.526, allocations: 0.53 MB / 0.6163 GB, free: 8.156 MB / 462.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.25e-06/0.526, allocations: 0 / 0.6163 GB, free: 8.156 MB / 462.1 MB Notification: Performance of matching and sorting (n=72) (initialization): time 0.001381/0.5274, allocations: 0.7408 MB / 0.617 GB, free: 7.398 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 5.108e-05/0.5274, allocations: 39.72 kB / 0.6171 GB, free: 7.355 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.09e-05/0.5275, allocations: 4 kB / 0.6171 GB, free: 7.352 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.242e-05/0.5275, allocations: 7.938 kB / 0.6171 GB, free: 7.344 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001113/0.5286, allocations: 176.1 kB / 0.6173 GB, free: 7.172 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001146/0.5298, allocations: 1.782 MB / 0.619 GB, free: 5.32 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007772/0.5306, allocations: 107.2 kB / 0.6191 GB, free: 5.215 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.848e-05/0.5306, allocations: 27.98 kB / 0.6191 GB, free: 5.188 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006532/0.5313, allocations: 377.2 kB / 0.6195 GB, free: 4.816 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005417/0.5319, allocations: 374.1 kB / 0.6199 GB, free: 4.379 MB / 462.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008333/0.5327, allocations: 0.5308 MB / 0.6204 GB, free: 3.789 MB / 462.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.725e-06/0.5327, allocations: 4 kB / 0.6204 GB, free: 3.785 MB / 462.1 MB Notification: Performance of matching and sorting (n=72) (initialization_lambda0): time 0.00129/0.534, allocations: 0.719 MB / 0.6211 GB, free: 3.055 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 4.824e-05/0.5341, allocations: 45.69 kB / 0.6211 GB, free: 3.004 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.416e-06/0.5341, allocations: 7.938 kB / 0.6211 GB, free: 2.996 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 8.376e-06/0.5341, allocations: 4.438 kB / 0.6211 GB, free: 2.992 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005577/0.5347, allocations: 131.8 kB / 0.6213 GB, free: 2.863 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.381e-05/0.5347, allocations: 8 kB / 0.6213 GB, free: 2.855 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000758/0.5355, allocations: 87.56 kB / 0.6213 GB, free: 2.77 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.598e-05/0.5355, allocations: 31.97 kB / 0.6214 GB, free: 2.738 MB / 462.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 12 (mot.lowHys.y,$PRE.mot.lowHys.y,mot.uppHys.y,$PRE.mot.uppHys.y,ySet.nextEventScaled,ySet.nextEvent,$PRE.ySet.nextEvent,ySet.last,ySet.b,ySet.a,$whenCondition1,mot.int.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (67): * Single equations (assignments): 63 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * 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): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002629/0.5358, allocations: 257.8 kB / 0.6216 GB, free: 2.473 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001634/0.536, allocations: 98.72 kB / 0.6217 GB, free: 2.375 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001381/0.5374, allocations: 0.6613 MB / 0.6224 GB, free: 1.699 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.158e-05/0.5374, allocations: 8 kB / 0.6224 GB, free: 1.691 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.727e-06/0.5374, allocations: 0 / 0.6224 GB, free: 1.691 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.311e-05/0.5374, allocations: 7.984 kB / 0.6224 GB, free: 1.684 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002316/0.5397, allocations: 1.516 MB / 0.6239 GB, free: 100 kB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.841e-06/0.5398, allocations: 128 / 0.6239 GB, free: 100 kB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004356/0.5402, allocations: 95.88 kB / 0.624 GB, free: 4 kB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 8.145e-06/0.5402, allocations: 4 kB / 0.624 GB, free: 0 / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.365e-05/0.5403, allocations: 12.06 kB / 0.624 GB, free: 15.98 MB / 478.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009636/0.5413, allocations: 1.766 MB / 0.6257 GB, free: 14.15 MB / 478.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.984e-06/0.5413, allocations: 0 / 0.6257 GB, free: 14.15 MB / 478.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001604/0.5429, allocations: 1.112 MB / 0.6268 GB, free: 13.01 MB / 478.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0003446/0.5432, allocations: 215.9 kB / 0.627 GB, free: 12.78 MB / 478.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001561/0.5434, allocations: 15.98 kB / 0.627 GB, free: 12.76 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006226/0.544, allocations: 55.86 kB / 0.6271 GB, free: 12.71 MB / 478.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001207/0.5442, allocations: 47.88 kB / 0.6271 GB, free: 12.66 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.206e-05/0.5442, allocations: 19.98 kB / 0.6271 GB, free: 12.64 MB / 478.1 MB Notification: Performance of sorting global known variables: time 0.0007831/0.545, allocations: 0.5709 MB / 0.6277 GB, free: 12.06 MB / 478.1 MB Notification: Performance of sort global known variables: time 1.523e-06/0.545, allocations: 0 / 0.6277 GB, free: 12.06 MB / 478.1 MB Notification: Performance of remove unused functions: time 0.001448/0.5465, allocations: 459.2 kB / 0.6281 GB, free: 11.61 MB / 478.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 1 (mot.int.y) * Number of discrete variables: 8 ($whenCondition1,ySet.a,ySet.b,ySet.last,ySet.nextEvent,ySet.nextEventScaled,mot.uppHys.y,mot.lowHys.y) * Number of discrete states: 8 (ySet.nextEvent,ySet.last,ySet.nextEventScaled,ySet.b,ySet.a,$whenCondition1,mot.lowHys.y,mot.uppHys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (38): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * 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): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.000977/0.5475, allocations: 346.1 kB / 0.6284 GB, free: 11.28 MB / 478.1 MB Notification: Performance of simCode: created initialization part: time 0.002518/0.55, allocations: 1.043 MB / 0.6295 GB, free: 10.21 MB / 478.1 MB Notification: Performance of simCode: created event and clocks part: time 4.339e-06/0.55, allocations: 0 / 0.6295 GB, free: 10.21 MB / 478.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0007167/0.5507, allocations: 352.3 kB / 0.6298 GB, free: 9.859 MB / 478.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001775/0.5525, allocations: 323.6 kB / 0.6301 GB, free: 9.551 MB / 478.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003187/0.5557, allocations: 1.84 MB / 0.6319 GB, free: 7.668 MB / 478.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006905/0.5564, allocations: 0.994 MB / 0.6329 GB, free: 6.645 MB / 478.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002242/0.5567, allocations: 75.42 kB / 0.6329 GB, free: 6.57 MB / 478.1 MB Notification: Performance of SimCode: time 5.61e-07/0.5567, allocations: 3.938 kB / 0.6329 GB, free: 6.566 MB / 478.1 MB Notification: Performance of Templates: time 0.03364/0.5903, allocations: 23.66 MB / 0.6561 GB, free: 15.02 MB / 0.4981 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.makefile (rm -f IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.sim & ./IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Actuators.Valves.Examples.TwoWayValvesMotor.pipe 2>&1)