Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.1+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.1+maint.om/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) Running command: translateModel(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed") translateModel(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008024/0.0008024, allocations: 98.03 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.004408/0.004408, allocations: 169.8 kB / 16.27 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.307/1.307, allocations: 205.4 MB / 222.4 MB, free: 5.797 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.1+maint.om/package.mo): time 0.287/0.287, allocations: 38.04 MB / 308.8 MB, free: 10.15 MB / 254.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: ModelicaTest requested package Modelica of version 3.2.1. Modelica 3.2.3 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0005812/0.0005812, allocations: 19.98 kB / 377.1 MB, free: 14.82 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1041/0.1047, allocations: 57.52 MB / 434.6 MB, free: 5.207 MB / 366.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed): time 0.2187/0.3235, allocations: 42.12 MB / 476.7 MB, free: 30.4 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.02155/0.3451, allocations: 21.03 MB / 497.7 MB, free: 17.73 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008652/0.346, allocations: 25 kB / 497.7 MB, free: 17.72 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001001/0.347, allocations: 384.9 kB / 498.1 MB, free: 17.51 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01646/0.3635, allocations: 4.203 MB / 0.4906 GB, free: 15.57 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.007044/0.3706, allocations: 2.087 MB / 0.4926 GB, free: 14.44 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.003001/0.3736, allocations: 2.109 MB / 0.4947 GB, free: 13.64 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0007828/0.3744, allocations: 388.2 kB / 0.495 GB, free: 13.49 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00163/0.376, allocations: 0.6674 MB / 0.4957 GB, free: 13.2 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.009129/0.3852, allocations: 3.648 MB / 0.4992 GB, free: 11.55 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002569/0.3855, allocations: 31.44 kB / 0.4993 GB, free: 11.55 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01981/0.4053, allocations: 7.706 MB / 0.5068 GB, free: 9.539 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0004537/0.4058, allocations: 164.3 kB / 0.5069 GB, free: 9.457 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001046/0.4069, allocations: 419.3 kB / 0.5073 GB, free: 9.223 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01385/0.4207, allocations: 5.25 MB / 0.5125 GB, free: 6.883 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.36e-06/0.4208, allocations: 0 / 0.5125 GB, free: 6.883 MB / 382.1 MB Notification: Performance of FrontEnd: time 1.863e-06/0.4208, allocations: 0 / 0.5125 GB, free: 6.883 MB / 382.1 MB Notification: Performance of Transformations before backend: time 4.039e-05/0.4208, allocations: 1.375 kB / 0.5125 GB, free: 6.883 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 142 * Number of variables: 142 Notification: Performance of Generate backend data structure: time 0.005665/0.4265, allocations: 1.557 MB / 0.514 GB, free: 5.773 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.196e-05/0.4265, allocations: 13.56 kB / 0.514 GB, free: 5.77 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002472/0.429, allocations: 317.4 kB / 0.5143 GB, free: 5.641 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009685/0.43, allocations: 0.5338 MB / 0.5148 GB, free: 5.168 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.721e-05/0.4301, allocations: 50.97 kB / 0.5149 GB, free: 5.145 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001077/0.4302, allocations: 59.67 kB / 0.5149 GB, free: 5.121 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00264/0.4328, allocations: 1.024 MB / 0.5159 GB, free: 4.477 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.162e-05/0.4329, allocations: 0 / 0.5159 GB, free: 4.477 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.813e-05/0.433, allocations: 23.28 kB / 0.516 GB, free: 4.461 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.187e-05/0.433, allocations: 22.09 kB / 0.516 GB, free: 4.461 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002683/0.4357, allocations: 0.9527 MB / 0.5169 GB, free: 4.027 MB / 382.1 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 0.005814/0.4415, allocations: 4.691 MB / 0.5215 GB, free: 15.75 MB / 398.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002791/0.4443, allocations: 0.8777 MB / 0.5223 GB, free: 15.34 MB / 398.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007943/0.4452, allocations: 345.5 kB / 0.5227 GB, free: 15.18 MB / 398.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.04931/0.4945, allocations: 24.51 MB / 0.5466 GB, free: 6.973 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.367e-05/0.4946, allocations: 42.31 kB / 0.5467 GB, free: 6.922 MB / 414.1 MB Notification: Performance of pre-optimization done (n=45): time 2.154e-06/0.4946, allocations: 3.938 kB / 0.5467 GB, free: 6.918 MB / 414.1 MB Notification: Performance of matching and sorting (n=45): time 0.007061/0.5017, allocations: 1.836 MB / 0.5485 GB, free: 5.051 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 7.11e-05/0.5017, allocations: 114.8 kB / 0.5486 GB, free: 4.914 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006639/0.5024, allocations: 0.5185 MB / 0.5491 GB, free: 4.387 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 5.622e-05/0.5025, allocations: 33.7 kB / 0.5491 GB, free: 4.348 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002463/0.5027, allocations: 328.2 kB / 0.5494 GB, free: 4.02 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001642/0.5029, allocations: 161.7 kB / 0.5496 GB, free: 3.859 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 8.067e-05/0.503, allocations: 49.69 kB / 0.5496 GB, free: 3.805 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 0.0001469/0.5032, allocations: 374.7 kB / 0.55 GB, free: 3.43 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007291/0.5039, allocations: 280.9 kB / 0.5502 GB, free: 3.156 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008476/0.5047, allocations: 471.7 kB / 0.5507 GB, free: 2.617 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001535/0.5063, allocations: 0.7314 MB / 0.5514 GB, free: 1.812 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.117e-06/0.5063, allocations: 4 kB / 0.5514 GB, free: 1.809 MB / 414.1 MB Notification: Performance of matching and sorting (n=69) (initialization): time 0.002084/0.5084, allocations: 0.9183 MB / 0.5523 GB, free: 0.8789 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001632/0.5086, allocations: 245.4 kB / 0.5525 GB, free: 0.5625 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.166e-05/0.5086, allocations: 8 kB / 0.5525 GB, free: 0.5547 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001906/0.5105, allocations: 368.5 kB / 0.5529 GB, free: 196 kB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004993/0.511, allocations: 147.8 kB / 0.553 GB, free: 48 kB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001054/0.5121, allocations: 0.8372 MB / 0.5539 GB, free: 15.18 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007575/0.5129, allocations: 115.3 kB / 0.554 GB, free: 15.07 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.257e-05/0.5129, allocations: 35.98 kB / 0.554 GB, free: 15.04 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 9.588e-06/0.513, allocations: 8 kB / 0.554 GB, free: 15.03 MB / 430.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002085/0.515, allocations: 0.8318 MB / 0.5548 GB, free: 14.19 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.526e-06/0.5151, allocations: 8 kB / 0.5548 GB, free: 14.18 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009552/0.516, allocations: 224.9 kB / 0.555 GB, free: 13.96 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005181/0.5166, allocations: 151.8 kB / 0.5552 GB, free: 13.81 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001167/0.5177, allocations: 0.7904 MB / 0.556 GB, free: 13 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007477/0.5185, allocations: 119.4 kB / 0.5561 GB, free: 12.88 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.995e-05/0.5186, allocations: 32 kB / 0.5561 GB, free: 12.85 MB / 430.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 6 (pump.heatTransfer.states[1].phase,Sink.medium.phase,Source.medium.phase,Valve.state_b.phase,Valve.state_a.phase,pump.monitoring.state_in.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (56): * Single equations (assignments): 55 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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 {(2,12)} Notification: Performance of prepare postOptimizeDAE: time 0.0004278/0.519, allocations: 292.8 kB / 0.5564 GB, free: 12.55 MB / 430.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001189/0.5191, allocations: 63.25 kB / 0.5564 GB, free: 12.49 MB / 430.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004056/0.5232, allocations: 2.944 MB / 0.5593 GB, free: 9.535 MB / 430.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.473e-05/0.5232, allocations: 35.94 kB / 0.5594 GB, free: 9.5 MB / 430.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.225e-06/0.5233, allocations: 0 / 0.5594 GB, free: 9.5 MB / 430.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.175e-05/0.5233, allocations: 3.984 kB / 0.5594 GB, free: 9.496 MB / 430.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001702/0.525, allocations: 1.407 MB / 0.5607 GB, free: 8.039 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.19e-06/0.525, allocations: 0 / 0.5607 GB, free: 8.039 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003981/0.5254, allocations: 103.9 kB / 0.5608 GB, free: 7.938 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002155/0.5276, allocations: 1.073 MB / 0.5619 GB, free: 6.855 MB / 430.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.702e-05/0.5276, allocations: 19.98 kB / 0.5619 GB, free: 6.836 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001616/0.5292, allocations: 1.494 MB / 0.5634 GB, free: 5.32 MB / 430.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.727e-06/0.5293, allocations: 3.938 kB / 0.5634 GB, free: 5.316 MB / 430.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002696/0.532, allocations: 1.945 MB / 0.5653 GB, free: 3.344 MB / 430.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005027/0.5325, allocations: 370.6 kB / 0.5656 GB, free: 2.961 MB / 430.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.738e-05/0.5326, allocations: 12 kB / 0.5656 GB, free: 2.949 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005409/0.5331, allocations: 87.78 kB / 0.5657 GB, free: 2.863 MB / 430.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001028/0.5332, allocations: 48.42 kB / 0.5658 GB, free: 2.816 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.04e-05/0.5333, allocations: 23.98 kB / 0.5658 GB, free: 2.793 MB / 430.1 MB Notification: Performance of sorting global known variables: time 0.0006308/0.5339, allocations: 0.5693 MB / 0.5663 GB, free: 2.227 MB / 430.1 MB Notification: Performance of sort global known variables: time 2.11e-07/0.5339, allocations: 3.938 kB / 0.5663 GB, free: 2.223 MB / 430.1 MB Notification: Performance of remove unused functions: time 0.005204/0.5391, allocations: 1.362 MB / 0.5677 GB, free: 0.8594 MB / 430.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 21 ($cse3.phase,$cse3.region,$cse7.phase,$cse7.region,$cse9.region3boundary,$cse10.region3boundary,$cse11.phase,$cse11.region,$cse12.phase,$cse12.region,$cse15.phase,$cse15.region,$cse16.phase,$cse16.region,$cse18.phase,$cse18.region,$cse19.phase,$cse19.region,Source.medium.phase,Sink.medium.phase,pump.heatTransfer.states[1].phase) * 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: 6 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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 {(2,18)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006011/0.5452, allocations: 1.386 MB / 0.569 GB, free: 15.46 MB / 446.1 MB Notification: Performance of simCode: created initialization part: time 0.003347/0.5485, allocations: 1.378 MB / 0.5704 GB, free: 14.09 MB / 446.1 MB Notification: Performance of simCode: created event and clocks part: time 3.627e-06/0.5485, allocations: 0 / 0.5704 GB, free: 14.09 MB / 446.1 MB Notification: Performance of simCode: created simulation system equations: time 0.00109/0.5496, allocations: 0.7221 MB / 0.5711 GB, free: 13.37 MB / 446.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00194/0.5516, allocations: 350.8 kB / 0.5714 GB, free: 13.03 MB / 446.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003551/0.5552, allocations: 2.842 MB / 0.5742 GB, free: 10.16 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006269/0.5558, allocations: 1.126 MB / 0.5753 GB, free: 9.008 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.001064/0.5569, allocations: 0.7097 MB / 0.576 GB, free: 8.301 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001377/0.557, allocations: 51.44 kB / 0.576 GB, free: 8.25 MB / 446.1 MB Notification: Performance of SimCode: time 3.5e-07/0.557, allocations: 7.938 kB / 0.576 GB, free: 8.242 MB / 446.1 MB Notification: Performance of Templates: time 0.06477/0.6218, allocations: 49.14 MB / 0.624 GB, free: 7.082 MB / 494.1 MB make -j1 -f ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed.makefile Environment - environmentSimulation: (rm -f ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed.pipe ; mkfifo ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed.pipe ; head -c 1048576 < ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed.pipe >> ../files/ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed.sim & ./ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed -abortSlowSimulation -alarm=480 -lv LOG_STATS > ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpVariableSpeed.pipe 2>&1) Environment - environmentSimulation: