Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic") translateModel(Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:

SCode: time 0.1885/0.1893, allocations: 82.22 MB / 0.5941 GB, free: 5.613 MB / 446.1 MB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic): time 0.8198/1.009, allocations: 365.2 MB / 0.9507 GB, free: 4.605 MB / 0.7012 GB Notification: Performance of NFInst.instExpressions: time 0.6996/1.709, allocations: 49.91 MB / 0.9994 GB, free: 1.781 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01007/1.719, allocations: 161.1 kB / 0.9996 GB, free: 1.781 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.009961/1.729, allocations: 2.709 MB / 1.002 GB, free: 1.773 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.0281/1.757, allocations: 8.256 MB / 1.01 GB, free: 1.496 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.01936/1.776, allocations: 6.52 MB / 1.017 GB, free: 1.301 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.03278/1.809, allocations: 19.25 MB / 1.035 GB, free: 1.27 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01062/1.82, allocations: 4.025 MB / 1.039 GB, free: 0.7695 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.02043/1.84, allocations: 6.625 MB / 1.046 GB, free: 0.6641 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01223/1.853, allocations: 4.544 MB / 1.05 GB, free: 0.6211 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 0.003037/1.856, allocations: 274.3 kB / 1.051 GB, free: 0.6172 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02076/1.877, allocations: 7.434 MB / 1.058 GB, free: 15.06 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.005357/1.882, allocations: 1.905 MB / 1.06 GB, free: 14.5 MB / 0.7325 GB Notification: Performance of NFVerifyModel.verify: time 0.0104/1.892, allocations: 3.005 MB / 1.063 GB, free: 13.66 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.02658/1.919, allocations: 11.9 MB / 1.074 GB, free: 7.879 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 5.28e-06/1.919, allocations: 0 / 1.074 GB, free: 7.879 MB / 0.7325 GB Notification: Performance of FrontEnd: time 2.134e-06/1.919, allocations: 0 / 1.074 GB, free: 7.879 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 0.0004573/1.919, allocations: 0 / 1.074 GB, free: 7.879 MB / 0.7325 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 843 * Number of variables: 843 Notification: Performance of Generate backend data structure: time 0.01902/1.938, allocations: 6.114 MB / 1.08 GB, free: 4.23 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 4.455e-05/1.939, allocations: 13.94 kB / 1.08 GB, free: 4.227 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01211/1.951, allocations: 1.596 MB / 1.082 GB, free: 3.555 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01276/1.963, allocations: 4.67 MB / 1.086 GB, free: 0.8945 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004211/1.964, allocations: 273.2 kB / 1.087 GB, free: 0.7383 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001564/1.966, allocations: 371 kB / 1.087 GB, free: 500 kB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01479/1.98, allocations: 4.371 MB / 1.091 GB, free: 13.32 MB / 0.7481 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.00021/1.981, allocations: 7.094 kB / 1.091 GB, free: 13.32 MB / 0.7481 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000979/1.982, allocations: 145.2 kB / 1.091 GB, free: 13.29 MB / 0.7481 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001572/1.982, allocations: 114.5 kB / 1.091 GB, free: 13.17 MB / 0.7481 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009925/1.992, allocations: 3.471 MB / 1.095 GB, free: 10.75 MB / 0.7481 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 0.03171/2.023, allocations: 17.3 MB / 1.112 GB, free: 11.5 MB / 0.7637 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007271/2.031, allocations: 2.883 MB / 1.115 GB, free: 8.574 MB / 0.7637 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002707/2.033, allocations: 1.237 MB / 1.116 GB, free: 7.34 MB / 0.7637 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001808/2.034, allocations: 46.56 kB / 1.116 GB, free: 7.305 MB / 0.7637 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.005014/2.039, allocations: 1.861 MB / 1.118 GB, free: 5.395 MB / 0.7637 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.003373/2.042, allocations: 319.4 kB / 1.118 GB, free: 5.086 MB / 0.7637 GB Notification: Performance of pre-optimization done (n=204): time 1.133e-05/2.042, allocations: 0 / 1.118 GB, free: 5.086 MB / 0.7637 GB Notification: Performance of matching and sorting (n=204): time 0.01252/2.055, allocations: 3.832 MB / 1.122 GB, free: 1.25 MB / 0.7637 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0004282/2.055, allocations: 0.6636 MB / 1.122 GB, free: 444 kB / 0.7637 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01226/2.067, allocations: 3.997 MB / 1.126 GB, free: 12.44 MB / 0.7794 GB Notification: Performance of collectPreVariables (initialization): time 0.0009812/2.068, allocations: 81.7 kB / 1.126 GB, free: 12.35 MB / 0.7794 GB Notification: Performance of collectInitialEqns (initialization): time 0.003054/2.071, allocations: 2.267 MB / 1.129 GB, free: 10.08 MB / 0.7794 GB Notification: Performance of collectInitialBindings (initialization): time 0.001114/2.073, allocations: 0.7005 MB / 1.129 GB, free: 9.383 MB / 0.7794 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008036/2.073, allocations: 263.6 kB / 1.129 GB, free: 9.117 MB / 0.7794 GB Notification: Performance of setup shared object (initialization): time 0.0001099/2.074, allocations: 305.1 kB / 1.13 GB, free: 8.816 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003892/2.077, allocations: 1.567 MB / 1.131 GB, free: 7.246 MB / 0.7794 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005304/2.083, allocations: 2.42 MB / 1.134 GB, free: 4.52 MB / 0.7794 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008142/2.091, allocations: 3.581 MB / 1.137 GB, free: 0.7734 MB / 0.7794 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.263e-05/2.091, allocations: 4 kB / 1.137 GB, free: 0.7695 MB / 0.7794 GB Notification: Performance of matching and sorting (n=367) (initialization): time 0.01155/2.103, allocations: 4.576 MB / 1.142 GB, free: 12.19 MB / 0.795 GB Notification: Performance of prepare postOptimizeDAE: time 0.0006569/2.103, allocations: 0.6772 MB / 1.142 GB, free: 11.33 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.622e-05/2.103, allocations: 12 kB / 1.142 GB, free: 11.32 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.379e-05/2.103, allocations: 24 kB / 1.142 GB, free: 11.29 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01188/2.115, allocations: 2.13 MB / 1.144 GB, free: 9.191 MB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0178/2.133, allocations: 11.3 MB / 1.155 GB, free: 13.04 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006564/2.14, allocations: 459.5 kB / 1.156 GB, free: 12.59 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001049/2.141, allocations: 167.9 kB / 1.156 GB, free: 12.43 MB / 0.8106 GB Notification: Performance of prepare postOptimizeDAE: time 1.225e-05/2.141, allocations: 4 kB / 1.156 GB, free: 12.42 MB / 0.8106 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.008879/2.15, allocations: 4.218 MB / 1.16 GB, free: 8.223 MB / 0.8106 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.628e-05/2.15, allocations: 12 kB / 1.16 GB, free: 8.211 MB / 0.8106 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.294e-05/2.15, allocations: 24 kB / 1.16 GB, free: 8.188 MB / 0.8106 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002401/2.152, allocations: 0.5608 MB / 1.161 GB, free: 7.656 MB / 0.8106 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.264e-05/2.152, allocations: 33.94 kB / 1.161 GB, free: 7.629 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005141/2.157, allocations: 370.1 kB / 1.161 GB, free: 7.27 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004814/2.158, allocations: 160 kB / 1.161 GB, free: 7.113 MB / 0.8106 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 51 * 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 (296): * Single equations (assignments): 276 * Array equations: 4 * Algorithm blocks: 5 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 7 * 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): 7 systems {1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.003249/2.161, allocations: 1.159 MB / 1.162 GB, free: 5.977 MB / 0.8106 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001729/2.163, allocations: 450.4 kB / 1.163 GB, free: 5.531 MB / 0.8106 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007325/2.17, allocations: 2.753 MB / 1.166 GB, free: 2.762 MB / 0.8106 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.428e-05/2.17, allocations: 31.94 kB / 1.166 GB, free: 2.73 MB / 0.8106 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.953e-06/2.17, allocations: 0 / 1.166 GB, free: 2.73 MB / 0.8106 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.004843/2.175, allocations: 2.467 MB / 1.168 GB, free: 192 kB / 0.8106 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 postOpt removeSimpleEquations (simulation): time 0.01666/2.192, allocations: 6.961 MB / 1.175 GB, free: 9.148 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.076e-06/2.192, allocations: 0 / 1.175 GB, free: 9.148 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0101/2.202, allocations: 1.948 MB / 1.177 GB, free: 7.219 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.204e-05/2.202, allocations: 8 kB / 1.177 GB, free: 7.211 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003113/2.202, allocations: 67.95 kB / 1.177 GB, free: 7.145 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01509/2.218, allocations: 11.08 MB / 1.188 GB, free: 11.21 MB / 0.8419 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.495e-06/2.218, allocations: 0 / 1.188 GB, free: 11.21 MB / 0.8419 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01/2.228, allocations: 4.109 MB / 1.192 GB, free: 7.09 MB / 0.8419 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002647/2.23, allocations: 0.753 MB / 1.192 GB, free: 6.312 MB / 0.8419 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001281/2.232, allocations: 55.92 kB / 1.192 GB, free: 6.258 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004704/2.236, allocations: 375.2 kB / 1.193 GB, free: 5.891 MB / 0.8419 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004228/2.237, allocations: 137.8 kB / 1.193 GB, free: 5.754 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002634/2.237, allocations: 82.89 kB / 1.193 GB, free: 5.676 MB / 0.8419 GB Notification: Performance of sorting global known variables: time 0.006174/2.243, allocations: 2.675 MB / 1.196 GB, free: 3.012 MB / 0.8419 GB Notification: Performance of sort global known variables: time 2.9e-07/2.243, allocations: 0 / 1.196 GB, free: 3.012 MB / 0.8419 GB Notification: Performance of remove unused functions: time 0.009086/2.252, allocations: 2.451 MB / 1.198 GB, free: 0.5547 MB / 0.8419 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 20 (fan1.vol.dynBal.U,fan1.vol.dynBal.m,fan1.vol.dynBal.mXi[1],fan1.filter.x[1],fan1.filter.x[2],fan3.vol.dynBal.U,fan3.vol.dynBal.m,fan3.vol.dynBal.mXi[1],fan3.filter.x[1],fan3.filter.x[2],fan2.vol.dynBal.U,fan2.vol.dynBal.m,fan2.vol.dynBal.mXi[1],fan2.filter.x[1],fan2.filter.x[2],fan4.vol.dynBal.U,fan4.vol.dynBal.m,fan4.vol.dynBal.mXi[1],fan4.filter.x[1],fan4.filter.x[2]) * 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 (208): * Single equations (assignments): 199 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 7 * 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): 7 systems {1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001939/2.254, allocations: 0.5776 MB / 1.199 GB, free: 48 kB / 0.8419 GB Notification: Performance of simCode: created initialization part: time 0.02412/2.278, allocations: 9.678 MB / 1.208 GB, free: 6.301 MB / 0.8575 GB Notification: Performance of simCode: created event and clocks part: time 1.074e-05/2.278, allocations: 4.438 kB / 1.208 GB, free: 6.297 MB / 0.8575 GB Notification: Performance of simCode: created simulation system equations: time 0.01924/2.298, allocations: 3.843 MB / 1.212 GB, free: 2.504 MB / 0.8575 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01472/2.312, allocations: 2.502 MB / 1.214 GB, free: 48 kB / 0.8575 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01918/2.332, allocations: 10.94 MB / 1.225 GB, free: 5.121 MB / 0.8731 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003655/2.335, allocations: 2.842 MB / 1.228 GB, free: 2.246 MB / 0.8731 GB Notification: Performance of simCode: alias equations: time 0.006181/2.342, allocations: 1.107 MB / 1.229 GB, free: 1.133 MB / 0.8731 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001268/2.343, allocations: 347.3 kB / 1.229 GB, free: 0.793 MB / 0.8731 GB Notification: Performance of SimCode: time 9.32e-07/2.343, allocations: 0 / 1.229 GB, free: 0.793 MB / 0.8731 GB Notification: Performance of Templates: time 0.4763/2.819, allocations: 101 MB / 1.328 GB, free: 447.9 MB / 0.9356 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic.makefile Environment - environmentSimulation: (rm -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic.sim & ./Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.Movers.Validation.ControlledFlowMachineDynamic.pipe 2>&1) Environment - environmentSimulation: