Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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: "" <> buildModelFMU(IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Actuators_Valves_Examples_TwoWayValves",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Actuators_Valves_Examples_TwoWayValves",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 0.005376/0.005376, allocations: 100.7 kB / 15.73 MB, free: 6.051 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001238/0.001238, allocations: 197.9 kB / 16.67 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.37/1.37, allocations: 222.9 MB / 240.4 MB, free: 4.316 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9568/0.9568, allocations: 135.1 MB / 425.7 MB, free: 11.89 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001419/0.001419, allocations: 67.89 kB / 0.5851 GB, free: 3.871 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3502/0.3516, allocations: 80.91 MB / 0.6642 GB, free: 7.305 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves): time 0.02898/0.3806, allocations: 29.83 MB / 0.6933 GB, free: 15.32 MB / 0.5294 GB Notification: Performance of NFInst.instExpressions: time 0.01184/0.3925, allocations: 8.135 MB / 0.7012 GB, free: 8.684 MB / 0.5294 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001507/0.394, allocations: 36.38 kB / 0.7013 GB, free: 8.664 MB / 0.5294 GB Notification: Performance of NFTyping.typeComponents: time 0.001387/0.3955, allocations: 441.7 kB / 0.7017 GB, free: 8.297 MB / 0.5294 GB Notification: Performance of NFTyping.typeBindings: time 0.004153/0.3996, allocations: 1.429 MB / 0.7031 GB, free: 7.188 MB / 0.5294 GB Notification: Performance of NFTyping.typeClassSections: time 0.003035/0.4027, allocations: 1.141 MB / 0.7042 GB, free: 6.344 MB / 0.5294 GB Notification: Performance of NFFlatten.flatten: time 0.004537/0.4072, allocations: 3.557 MB / 0.7077 GB, free: 4.352 MB / 0.5294 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002179/0.4094, allocations: 1.333 MB / 0.709 GB, free: 3.477 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003175/0.4126, allocations: 1.697 MB / 0.7106 GB, free: 1.926 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003293/0.416, allocations: 1.62 MB / 0.7122 GB, free: 304 kB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.0006166/0.4166, allocations: 128 kB / 0.7123 GB, free: 176 kB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002528/0.4191, allocations: 1.018 MB / 0.7133 GB, free: 15.15 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.0007738/0.4199, allocations: 414.7 kB / 0.7137 GB, free: 14.75 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.001552/0.4215, allocations: 0.7505 MB / 0.7145 GB, free: 13.99 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.003594/0.4251, allocations: 2.217 MB / 0.7166 GB, free: 11.77 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 4.578e-06/0.4251, allocations: 0 / 0.7166 GB, free: 11.77 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.074e-06/0.4251, allocations: 0 / 0.7166 GB, free: 11.77 MB / 0.545 GB Notification: Performance of Transformations before backend: time 2.673e-05/0.4252, allocations: 4 kB / 0.7166 GB, free: 11.77 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 145 * Number of variables: 145 Notification: Performance of Generate backend data structure: time 0.002883/0.4281, allocations: 1.712 MB / 0.7183 GB, free: 10 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 3.964e-05/0.4281, allocations: 8.031 kB / 0.7183 GB, free: 9.992 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000114/0.4282, allocations: 98.7 kB / 0.7184 GB, free: 9.887 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003886/0.4286, allocations: 155.1 kB / 0.7186 GB, free: 9.734 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001939/0.4306, allocations: 0.9346 MB / 0.7195 GB, free: 8.742 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.786e-05/0.4307, allocations: 81.31 kB / 0.7195 GB, free: 8.664 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002252/0.4309, allocations: 116 kB / 0.7197 GB, free: 8.551 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001126/0.432, allocations: 0.6356 MB / 0.7203 GB, free: 7.887 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.717e-05/0.432, allocations: 0 / 0.7203 GB, free: 7.887 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.762e-05/0.4321, allocations: 35.92 kB / 0.7203 GB, free: 7.852 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.25e-05/0.4321, allocations: 15.94 kB / 0.7203 GB, free: 7.836 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009108/0.433, allocations: 464.8 kB / 0.7208 GB, free: 7.383 MB / 0.545 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 0.004603/0.4377, allocations: 2.868 MB / 0.7236 GB, free: 4.359 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006078/0.4383, allocations: 299.3 kB / 0.7239 GB, free: 4.059 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003115/0.4386, allocations: 157.3 kB / 0.724 GB, free: 3.902 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002831/0.4389, allocations: 336.7 kB / 0.7243 GB, free: 3.5 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.758e-05/0.4389, allocations: 38.84 kB / 0.7244 GB, free: 3.453 MB / 0.545 GB Notification: Performance of pre-optimization done (n=33): time 2.104e-06/0.4389, allocations: 0 / 0.7244 GB, free: 3.453 MB / 0.545 GB Notification: Performance of matching and sorting (n=33): time 0.001333/0.4403, allocations: 0.5294 MB / 0.7249 GB, free: 2.918 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.836e-05/0.4403, allocations: 55.41 kB / 0.7249 GB, free: 2.852 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001084/0.4414, allocations: 0.9116 MB / 0.7258 GB, free: 1.922 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0001327/0.4416, allocations: 53.7 kB / 0.7259 GB, free: 1.863 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.000429/0.442, allocations: 495.2 kB / 0.7263 GB, free: 1.375 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 8.862e-05/0.4421, allocations: 119 kB / 0.7265 GB, free: 1.258 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004014/0.4425, allocations: 291 kB / 0.7267 GB, free: 0.9648 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0001153/0.4426, allocations: 341.8 kB / 0.7271 GB, free: 0.625 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000422/0.4431, allocations: 197.3 kB / 0.7273 GB, free: 444 kB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001391/0.4445, allocations: 1.155 MB / 0.7284 GB, free: 14.92 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008459/0.4453, allocations: 455.5 kB / 0.7288 GB, free: 14.45 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.879e-06/0.4453, allocations: 0 / 0.7288 GB, free: 14.45 MB / 0.5606 GB Notification: Performance of matching and sorting (n=73) (initialization): time 0.001401/0.4468, allocations: 0.6585 MB / 0.7295 GB, free: 13.79 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 1.729e-05/0.4468, allocations: 10.81 kB / 0.7295 GB, free: 13.78 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.158e-06/0.4468, allocations: 4 kB / 0.7295 GB, free: 13.77 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.15e-05/0.4468, allocations: 4 kB / 0.7295 GB, free: 13.77 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001514/0.4483, allocations: 227.7 kB / 0.7297 GB, free: 13.55 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001676/0.45, allocations: 2.961 MB / 0.7326 GB, free: 10.47 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003503/0.4536, allocations: 0.7029 MB / 0.7333 GB, free: 9.766 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.537e-05/0.4536, allocations: 23.98 kB / 0.7333 GB, free: 9.742 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007051/0.4543, allocations: 369.3 kB / 0.7336 GB, free: 9.379 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00138/0.4557, allocations: 1.162 MB / 0.7348 GB, free: 7.844 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008073/0.4566, allocations: 452.7 kB / 0.7352 GB, free: 7.359 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.434e-06/0.4566, allocations: 7.938 kB / 0.7352 GB, free: 7.352 MB / 0.5606 GB Notification: Performance of matching and sorting (n=73) (initialization_lambda0): time 0.001457/0.458, allocations: 0.6593 MB / 0.7359 GB, free: 6.684 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 1.295e-05/0.4581, allocations: 8 kB / 0.7359 GB, free: 6.676 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.113e-06/0.4581, allocations: 4.312 kB / 0.7359 GB, free: 6.672 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.884e-06/0.4581, allocations: 8 kB / 0.7359 GB, free: 6.664 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007126/0.4588, allocations: 159.8 kB / 0.736 GB, free: 6.508 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.179e-05/0.4588, allocations: 7.938 kB / 0.736 GB, free: 6.5 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00482/0.4636, allocations: 0.9613 MB / 0.737 GB, free: 5.539 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001515/0.4638, allocations: 27.98 kB / 0.737 GB, free: 5.512 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 9 * 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 (73): * Single equations (assignments): 68 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 5 * 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): 5 systems {1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000509/0.4644, allocations: 245 kB / 0.7372 GB, free: 5.262 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003605/0.4647, allocations: 99.34 kB / 0.7373 GB, free: 5.164 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001403/0.4661, allocations: 0.5125 MB / 0.7378 GB, free: 4.641 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.174e-05/0.4662, allocations: 4 kB / 0.7378 GB, free: 4.637 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.3e-06/0.4662, allocations: 0 / 0.7378 GB, free: 4.637 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.002e-05/0.4662, allocations: 11.98 kB / 0.7379 GB, free: 4.625 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002237/0.4684, allocations: 1.249 MB / 0.7391 GB, free: 3.309 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.304e-06/0.4685, allocations: 4 kB / 0.7391 GB, free: 3.305 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000575/0.469, allocations: 124 kB / 0.7392 GB, free: 3.184 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.195e-06/0.4691, allocations: 3.938 kB / 0.7392 GB, free: 3.18 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.196e-05/0.4691, allocations: 15.98 kB / 0.7392 GB, free: 3.164 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00148/0.4706, allocations: 2.938 MB / 0.7421 GB, free: 112 kB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.264e-06/0.4706, allocations: 0 / 0.7421 GB, free: 112 kB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001002/0.4716, allocations: 0.5644 MB / 0.7426 GB, free: 15.52 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003558/0.472, allocations: 220.3 kB / 0.7428 GB, free: 15.29 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001495/0.4721, allocations: 15.94 kB / 0.7429 GB, free: 15.27 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005258/0.4727, allocations: 27.95 kB / 0.7429 GB, free: 15.24 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.624e-05/0.4728, allocations: 27.91 kB / 0.7429 GB, free: 15.21 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.258e-05/0.4728, allocations: 19.98 kB / 0.7429 GB, free: 15.2 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0008007/0.4736, allocations: 0.6045 MB / 0.7435 GB, free: 14.58 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.5e-07/0.4736, allocations: 0 / 0.7435 GB, free: 14.58 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.001551/0.4752, allocations: 0.5458 MB / 0.7441 GB, free: 14.04 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 (39): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 5 * 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): 5 systems {1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001851/0.477, allocations: 1.342 MB / 0.7454 GB, free: 12.66 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.00281/0.4799, allocations: 0.8457 MB / 0.7462 GB, free: 11.82 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 4.969e-06/0.4799, allocations: 4 kB / 0.7462 GB, free: 11.82 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.0006322/0.4805, allocations: 228.5 kB / 0.7464 GB, free: 11.59 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001948/0.4825, allocations: 415 kB / 0.7468 GB, free: 11.2 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01016/0.4926, allocations: 6.566 MB / 0.7532 GB, free: 4.43 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005848/0.4933, allocations: 1.025 MB / 0.7542 GB, free: 3.371 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.0009332/0.4942, allocations: 210.9 kB / 0.7544 GB, free: 3.16 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00048/0.4947, allocations: 367.3 kB / 0.7548 GB, free: 2.801 MB / 0.5762 GB Notification: Performance of SimCode: time 5.51e-07/0.4947, allocations: 0 / 0.7548 GB, free: 2.801 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06709/0.5618, allocations: 33.5 MB / 0.7875 GB, free: 1.863 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.23/13.79, allocations: 6.438 kB / 0.7875 GB, free: 1.859 MB / 0.6075 GB (rm -f IDEAS_dev_IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves.sim & python3 -m fmpy simulate --output-file IDEAS_dev_IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IDEAS_dev_IDEAS_Fluid_Actuators_Valves_Examples_TwoWayValves.fmu > IDEAS_dev_IDEAS.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe 2>&1)