Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.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.Movers.Validation.ControlledFlowMachine,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine") translateModel(IBPSA.Fluid.Movers.Validation.ControlledFlowMachine,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001044/0.001044, allocations: 109.3 kB / 17.04 MB, free: 6.082 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009814/0.0009815, allocations: 195 kB / 17.98 MB, free: 5.16 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.24/1.24, allocations: 222.9 MB / 241.7 MB, free: 15.18 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6759/0.6759, allocations: 115.1 MB / 406.9 MB, free: 6.379 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001272/0.001273, allocations: 59.91 kB / 494.8 MB, free: 15.9 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3091/0.3104, allocations: 76.14 MB / 0.5576 GB, free: 36.65 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Movers.Validation.ControlledFlowMachine): time 0.5519/0.8624, allocations: 321.5 MB / 0.8715 GB, free: 12.83 MB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.04701/0.9094, allocations: 39.55 MB / 0.9101 GB, free: 12.47 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00521/0.9147, allocations: 149 kB / 0.9103 GB, free: 12.38 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.02355/0.9383, allocations: 14.91 MB / 0.9248 GB, free: 13.68 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.01708/0.9554, allocations: 7.198 MB / 0.9319 GB, free: 6.461 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.008031/0.9634, allocations: 3.636 MB / 0.9354 GB, free: 2.836 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.04745/1.011, allocations: 36.16 MB / 0.9707 GB, free: 14.62 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005411/1.016, allocations: 3.452 MB / 0.9741 GB, free: 11.11 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0119/1.028, allocations: 5.776 MB / 0.9797 GB, free: 5.312 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006451/1.035, allocations: 3.479 MB / 0.9831 GB, free: 1.828 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.001303/1.036, allocations: 484 kB / 0.9836 GB, free: 1.355 MB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01073/1.047, allocations: 5.664 MB / 0.9891 GB, free: 11.68 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.002399/1.049, allocations: 2.478 MB / 0.9915 GB, free: 9.195 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.003972/1.053, allocations: 3.328 MB / 0.9948 GB, free: 5.852 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.01527/1.068, allocations: 10.77 MB / 1.005 GB, free: 11.05 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 7.334e-06/1.069, allocations: 0 / 1.005 GB, free: 11.05 MB / 0.7169 GB Notification: Performance of FrontEnd: time 2.084e-06/1.069, allocations: 4 kB / 1.005 GB, free: 11.04 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 0.0001948/1.069, allocations: 0 / 1.005 GB, free: 11.04 MB / 0.7169 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 572 * Number of variables: 572 Notification: Performance of Generate backend data structure: time 0.01434/1.083, allocations: 7.113 MB / 1.012 GB, free: 3.805 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 3.891e-05/1.083, allocations: 8.031 kB / 1.012 GB, free: 3.797 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009846/1.093, allocations: 1.748 MB / 1.014 GB, free: 2.039 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01334/1.106, allocations: 8.105 MB / 1.022 GB, free: 9.844 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001622/1.107, allocations: 196.5 kB / 1.022 GB, free: 9.648 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005526/1.107, allocations: 275.8 kB / 1.022 GB, free: 9.379 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005586/1.113, allocations: 3.575 MB / 1.026 GB, free: 5.68 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.619e-05/1.113, allocations: 0 / 1.026 GB, free: 5.68 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002237/1.113, allocations: 92 kB / 1.026 GB, free: 5.59 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.836e-05/1.113, allocations: 88.28 kB / 1.026 GB, free: 5.5 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004863/1.118, allocations: 2.671 MB / 1.029 GB, free: 2.812 MB / 0.7325 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 0.2619/1.38, allocations: 15.16 MB / 1.043 GB, free: 309 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003967/1.384, allocations: 2.114 MB / 1.045 GB, free: 308.2 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001893/1.386, allocations: 1.136 MB / 1.047 GB, free: 307.8 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000292/1.386, allocations: 214.3 kB / 1.047 GB, free: 307.6 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002542/1.389, allocations: 1.73 MB / 1.048 GB, free: 307 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=137): time 3.196e-06/1.389, allocations: 0 / 1.048 GB, free: 307 MB / 0.7325 GB Notification: Performance of matching and sorting (n=137): time 0.008114/1.397, allocations: 3.559 MB / 1.052 GB, free: 305.9 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.895e-05/1.397, allocations: 67.28 kB / 1.052 GB, free: 305.8 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009037/1.406, allocations: 6.179 MB / 1.058 GB, free: 303.6 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0005019/1.406, allocations: 71.78 kB / 1.058 GB, free: 303.6 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.002096/1.409, allocations: 2.386 MB / 1.06 GB, free: 301.8 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007806/1.409, allocations: 0.4898 MB / 1.061 GB, free: 301.5 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001299/1.411, allocations: 0.8048 MB / 1.062 GB, free: 301.1 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 5.126e-05/1.411, allocations: 301.9 kB / 1.062 GB, free: 300.8 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003814/1.414, allocations: 2.573 MB / 1.065 GB, free: 299.9 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003925/1.418, allocations: 3.593 MB / 1.068 GB, free: 297.8 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006198/1.425, allocations: 5.827 MB / 1.074 GB, free: 294.9 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.882e-05/1.425, allocations: 7.844 kB / 1.074 GB, free: 294.9 MB / 0.7325 GB Notification: Performance of matching and sorting (n=478) (initialization): time 0.008817/1.434, allocations: 6.934 MB / 1.081 GB, free: 292 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.184e-05/1.434, allocations: 40.27 kB / 1.081 GB, free: 292 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.724e-05/1.434, allocations: 21.97 kB / 1.081 GB, free: 292 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006919/1.434, allocations: 415.2 kB / 1.081 GB, free: 291.8 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003139/1.437, allocations: 0.7106 MB / 1.082 GB, free: 291.6 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002294/1.44, allocations: 3.247 MB / 1.085 GB, free: 288.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00411/1.444, allocations: 421 kB / 1.085 GB, free: 288.5 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003356/1.444, allocations: 189 kB / 1.085 GB, free: 288.5 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004459/1.449, allocations: 3.566 MB / 1.089 GB, free: 285.8 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002984/1.452, allocations: 3.301 MB / 1.092 GB, free: 282.2 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004968/1.457, allocations: 5.226 MB / 1.097 GB, free: 276.7 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.14e-05/1.457, allocations: 8 kB / 1.097 GB, free: 276.7 MB / 0.7325 GB Notification: Performance of matching and sorting (n=478) (initialization_lambda0): time 0.00776/1.464, allocations: 6.323 MB / 1.103 GB, free: 270.4 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.224e-05/1.465, allocations: 41.7 kB / 1.103 GB, free: 270.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.138e-05/1.465, allocations: 22 kB / 1.103 GB, free: 270.3 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000938/1.466, allocations: 465.3 kB / 1.104 GB, free: 269.8 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002458/1.468, allocations: 0.6859 MB / 1.105 GB, free: 269.2 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005942/1.474, allocations: 6.166 MB / 1.111 GB, free: 262.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004443/1.478, allocations: 350.6 kB / 1.111 GB, free: 262.5 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003814/1.479, allocations: 168 kB / 1.111 GB, free: 262.3 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 102 * Number of states: 0 () * Number of discrete variables: 5 (y.count,$PRE.y.count,y.T_start,$PRE.y.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (347): * Single equations (assignments): 336 * Array equations: 3 * Algorithm blocks: 1 * Record equations: 3 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 1 * 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: 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 {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.000656/1.479, allocations: 361.1 kB / 1.111 GB, free: 262 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001082/1.481, allocations: 0.4973 MB / 1.112 GB, free: 261.5 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004668/1.485, allocations: 2.718 MB / 1.115 GB, free: 258.8 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.498e-06/1.485, allocations: 16 kB / 1.115 GB, free: 258.8 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.887e-06/1.485, allocations: 0 / 1.115 GB, free: 258.8 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003128/1.488, allocations: 2.337 MB / 1.117 GB, free: 256.4 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01001/1.498, allocations: 6.467 MB / 1.123 GB, free: 249.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.662e-06/1.498, allocations: 0 / 1.123 GB, free: 249.9 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002023/1.5, allocations: 451.4 kB / 1.124 GB, free: 249.4 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003085/1.501, allocations: 164.7 kB / 1.124 GB, free: 249.3 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001147/1.501, allocations: 51.81 kB / 1.124 GB, free: 249.2 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001285/1.502, allocations: 3.009 MB / 1.127 GB, free: 246.1 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.158e-06/1.502, allocations: 4 kB / 1.127 GB, free: 246.1 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005925/1.508, allocations: 4.029 MB / 1.131 GB, free: 242.1 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00224/1.51, allocations: 0.857 MB / 1.132 GB, free: 241.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009884/1.511, allocations: 32 kB / 1.132 GB, free: 241.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00251/1.514, allocations: 123.8 kB / 1.132 GB, free: 241 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001867/1.514, allocations: 97.16 kB / 1.132 GB, free: 241 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001277/1.514, allocations: 59.97 kB / 1.132 GB, free: 240.9 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.005351/1.52, allocations: 4.198 MB / 1.136 GB, free: 236.7 MB / 0.7325 GB Notification: Performance of sort global known variables: time 4.21e-07/1.52, allocations: 3.938 kB / 1.136 GB, free: 236.7 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.005615/1.525, allocations: 2.368 MB / 1.138 GB, free: 234.4 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * Number of states: 11 (fan1.vol.dynBal.medium.Xi[1],fan1.vol.dynBal.U,fan1.vol.dynBal.m,fan1.filter.s[1],fan1.filter.s[2],fan3.vol.dynBal.medium.Xi[1],fan3.vol.dynBal.U,fan3.vol.dynBal.m,fan2.vol.dynBal.medium.Xi[1],fan2.vol.dynBal.U,fan2.vol.dynBal.m) * Number of discrete variables: 3 ($whenCondition1,y.T_start,y.count) * Number of discrete states: 1 (y.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (138): * Single equations (assignments): 132 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 1 * 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: 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 {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001283/1.527, allocations: 0.6842 MB / 1.139 GB, free: 233.8 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.009599/1.536, allocations: 7.3 MB / 1.146 GB, free: 226.5 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 5.941e-06/1.536, allocations: 0 / 1.146 GB, free: 226.5 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.001901/1.538, allocations: 1.169 MB / 1.147 GB, free: 225.4 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00983/1.548, allocations: 3.029 MB / 1.15 GB, free: 222.6 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01403/1.562, allocations: 9.821 MB / 1.16 GB, free: 212.7 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002102/1.564, allocations: 3.169 MB / 1.163 GB, free: 209.5 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.004396/1.569, allocations: 1.465 MB / 1.164 GB, free: 208.1 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000858/1.569, allocations: 371.3 kB / 1.165 GB, free: 207.7 MB / 0.7325 GB Notification: Performance of SimCode: time 6.21e-07/1.569, allocations: 0 / 1.165 GB, free: 207.7 MB / 0.7325 GB Notification: Performance of Templates: time 0.1281/1.698, allocations: 111.7 MB / 1.274 GB, free: 97.17 MB / 0.7325 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.makefile (rm -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.sim & ./IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Movers.Validation.ControlledFlowMachine.pipe 2>&1)